| /* bnx2x_main.c: Broadcom Everest network driver. |
| * |
| * Copyright (c) 2007-2009 Broadcom Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation. |
| * |
| * Maintained by: Eilon Greenstein <eilong@broadcom.com> |
| * Written by: Eliezer Tamir |
| * Based on code from Michael Chan's bnx2 driver |
| * UDP CSUM errata workaround by Arik Gendelman |
| * Slowpath rework by Vladislav Zolotarov |
| * Statistics and Link management by Yitchak Gertner |
| * |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/kernel.h> |
| #include <linux/device.h> /* for dev_info() */ |
| #include <linux/timer.h> |
| #include <linux/errno.h> |
| #include <linux/ioport.h> |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| #include <linux/interrupt.h> |
| #include <linux/pci.h> |
| #include <linux/init.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/bitops.h> |
| #include <linux/irq.h> |
| #include <linux/delay.h> |
| #include <asm/byteorder.h> |
| #include <linux/time.h> |
| #include <linux/ethtool.h> |
| #include <linux/mii.h> |
| #include <linux/if_vlan.h> |
| #include <net/ip.h> |
| #include <net/tcp.h> |
| #include <net/checksum.h> |
| #include <net/ip6_checksum.h> |
| #include <linux/workqueue.h> |
| #include <linux/crc32.h> |
| #include <linux/crc32c.h> |
| #include <linux/prefetch.h> |
| #include <linux/zlib.h> |
| #include <linux/io.h> |
| |
| |
| #include "bnx2x.h" |
| #include "bnx2x_init.h" |
| |
| #define DRV_MODULE_VERSION "1.48.102" |
| #define DRV_MODULE_RELDATE "2009/02/12" |
| #define BNX2X_BC_VER 0x040200 |
| |
| /* Time in jiffies before concluding the transmitter is hung */ |
| #define TX_TIMEOUT (5*HZ) |
| |
| static char version[] __devinitdata = |
| "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver " |
| DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; |
| |
| MODULE_AUTHOR("Eliezer Tamir"); |
| MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(DRV_MODULE_VERSION); |
| |
| static int multi_mode = 1; |
| module_param(multi_mode, int, 0); |
| |
| static int disable_tpa; |
| module_param(disable_tpa, int, 0); |
| MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature"); |
| |
| static int int_mode; |
| module_param(int_mode, int, 0); |
| MODULE_PARM_DESC(int_mode, " Force interrupt mode (1 INT#x; 2 MSI)"); |
| |
| static int poll; |
| module_param(poll, int, 0); |
| MODULE_PARM_DESC(poll, " Use polling (for debug)"); |
| |
| static int mrrs = -1; |
| module_param(mrrs, int, 0); |
| MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)"); |
| |
| static int debug; |
| module_param(debug, int, 0); |
| MODULE_PARM_DESC(debug, " Default debug msglevel"); |
| |
| static int load_count[3]; /* 0-common, 1-port0, 2-port1 */ |
| |
| static struct workqueue_struct *bnx2x_wq; |
| |
| enum bnx2x_board_type { |
| BCM57710 = 0, |
| BCM57711 = 1, |
| BCM57711E = 2, |
| }; |
| |
| /* indexed by board_type, above */ |
| static struct { |
| char *name; |
| } board_info[] __devinitdata = { |
| { "Broadcom NetXtreme II BCM57710 XGb" }, |
| { "Broadcom NetXtreme II BCM57711 XGb" }, |
| { "Broadcom NetXtreme II BCM57711E XGb" } |
| }; |
| |
| |
| static const struct pci_device_id bnx2x_pci_tbl[] = { |
| { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 }, |
| { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 }, |
| { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E }, |
| { 0 } |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); |
| |
| /**************************************************************************** |
| * General service functions |
| ****************************************************************************/ |
| |
| /* used only at init |
| * locking is done by mcp |
| */ |
| static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val) |
| { |
| pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); |
| pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val); |
| pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, |
| PCICFG_VENDOR_ID_OFFSET); |
| } |
| |
| static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr) |
| { |
| u32 val; |
| |
| pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); |
| pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val); |
| pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, |
| PCICFG_VENDOR_ID_OFFSET); |
| |
| return val; |
| } |
| |
| static const u32 dmae_reg_go_c[] = { |
| DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, |
| DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, |
| DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, |
| DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 |
| }; |
| |
| /* copy command into DMAE command memory and set DMAE command go */ |
| static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, |
| int idx) |
| { |
| u32 cmd_offset; |
| int i; |
| |
| cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); |
| for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { |
| REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); |
| |
| DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", |
| idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); |
| } |
| REG_WR(bp, dmae_reg_go_c[idx], 1); |
| } |
| |
| void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr, |
| u32 len32) |
| { |
| struct dmae_command *dmae = &bp->init_dmae; |
| u32 *wb_comp = bnx2x_sp(bp, wb_comp); |
| int cnt = 200; |
| |
| if (!bp->dmae_ready) { |
| u32 *data = bnx2x_sp(bp, wb_data[0]); |
| |
| DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)" |
| " using indirect\n", dst_addr, len32); |
| bnx2x_init_ind_wr(bp, dst_addr, data, len32); |
| return; |
| } |
| |
| mutex_lock(&bp->dmae_mutex); |
| |
| memset(dmae, 0, sizeof(struct dmae_command)); |
| |
| dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | |
| DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); |
| dmae->src_addr_lo = U64_LO(dma_addr); |
| dmae->src_addr_hi = U64_HI(dma_addr); |
| dmae->dst_addr_lo = dst_addr >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = len32; |
| dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); |
| dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n" |
| DP_LEVEL "src_addr [%x:%08x] len [%d *4] " |
| "dst_addr [%x:%08x (%08x)]\n" |
| DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", |
| dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, |
| dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr, |
| dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); |
| DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", |
| bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], |
| bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); |
| |
| *wb_comp = 0; |
| |
| bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); |
| |
| udelay(5); |
| |
| while (*wb_comp != DMAE_COMP_VAL) { |
| DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp); |
| |
| if (!cnt) { |
| BNX2X_ERR("dmae timeout!\n"); |
| break; |
| } |
| cnt--; |
| /* adjust delay for emulation/FPGA */ |
| if (CHIP_REV_IS_SLOW(bp)) |
| msleep(100); |
| else |
| udelay(5); |
| } |
| |
| mutex_unlock(&bp->dmae_mutex); |
| } |
| |
| void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) |
| { |
| struct dmae_command *dmae = &bp->init_dmae; |
| u32 *wb_comp = bnx2x_sp(bp, wb_comp); |
| int cnt = 200; |
| |
| if (!bp->dmae_ready) { |
| u32 *data = bnx2x_sp(bp, wb_data[0]); |
| int i; |
| |
| DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)" |
| " using indirect\n", src_addr, len32); |
| for (i = 0; i < len32; i++) |
| data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4); |
| return; |
| } |
| |
| mutex_lock(&bp->dmae_mutex); |
| |
| memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4); |
| memset(dmae, 0, sizeof(struct dmae_command)); |
| |
| dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | |
| DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); |
| dmae->src_addr_lo = src_addr >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); |
| dmae->len = len32; |
| dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); |
| dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n" |
| DP_LEVEL "src_addr [%x:%08x] len [%d *4] " |
| "dst_addr [%x:%08x (%08x)]\n" |
| DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", |
| dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, |
| dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr, |
| dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); |
| |
| *wb_comp = 0; |
| |
| bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); |
| |
| udelay(5); |
| |
| while (*wb_comp != DMAE_COMP_VAL) { |
| |
| if (!cnt) { |
| BNX2X_ERR("dmae timeout!\n"); |
| break; |
| } |
| cnt--; |
| /* adjust delay for emulation/FPGA */ |
| if (CHIP_REV_IS_SLOW(bp)) |
| msleep(100); |
| else |
| udelay(5); |
| } |
| DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", |
| bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], |
| bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); |
| |
| mutex_unlock(&bp->dmae_mutex); |
| } |
| |
| /* used only for slowpath so not inlined */ |
| static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo) |
| { |
| u32 wb_write[2]; |
| |
| wb_write[0] = val_hi; |
| wb_write[1] = val_lo; |
| REG_WR_DMAE(bp, reg, wb_write, 2); |
| } |
| |
| #ifdef USE_WB_RD |
| static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg) |
| { |
| u32 wb_data[2]; |
| |
| REG_RD_DMAE(bp, reg, wb_data, 2); |
| |
| return HILO_U64(wb_data[0], wb_data[1]); |
| } |
| #endif |
| |
| static int bnx2x_mc_assert(struct bnx2x *bp) |
| { |
| char last_idx; |
| int i, rc = 0; |
| u32 row0, row1, row2, row3; |
| |
| /* XSTORM */ |
| last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ASSERT_LIST_INDEX_OFFSET); |
| if (last_idx) |
| BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); |
| |
| /* print the asserts */ |
| for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { |
| |
| row0 = REG_RD(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ASSERT_LIST_OFFSET(i)); |
| row1 = REG_RD(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ASSERT_LIST_OFFSET(i) + 4); |
| row2 = REG_RD(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ASSERT_LIST_OFFSET(i) + 8); |
| row3 = REG_RD(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ASSERT_LIST_OFFSET(i) + 12); |
| |
| if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { |
| BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x" |
| " 0x%08x 0x%08x 0x%08x\n", |
| i, row3, row2, row1, row0); |
| rc++; |
| } else { |
| break; |
| } |
| } |
| |
| /* TSTORM */ |
| last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ASSERT_LIST_INDEX_OFFSET); |
| if (last_idx) |
| BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); |
| |
| /* print the asserts */ |
| for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { |
| |
| row0 = REG_RD(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ASSERT_LIST_OFFSET(i)); |
| row1 = REG_RD(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ASSERT_LIST_OFFSET(i) + 4); |
| row2 = REG_RD(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ASSERT_LIST_OFFSET(i) + 8); |
| row3 = REG_RD(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ASSERT_LIST_OFFSET(i) + 12); |
| |
| if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { |
| BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x" |
| " 0x%08x 0x%08x 0x%08x\n", |
| i, row3, row2, row1, row0); |
| rc++; |
| } else { |
| break; |
| } |
| } |
| |
| /* CSTORM */ |
| last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_ASSERT_LIST_INDEX_OFFSET); |
| if (last_idx) |
| BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); |
| |
| /* print the asserts */ |
| for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { |
| |
| row0 = REG_RD(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_ASSERT_LIST_OFFSET(i)); |
| row1 = REG_RD(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_ASSERT_LIST_OFFSET(i) + 4); |
| row2 = REG_RD(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_ASSERT_LIST_OFFSET(i) + 8); |
| row3 = REG_RD(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_ASSERT_LIST_OFFSET(i) + 12); |
| |
| if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { |
| BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x" |
| " 0x%08x 0x%08x 0x%08x\n", |
| i, row3, row2, row1, row0); |
| rc++; |
| } else { |
| break; |
| } |
| } |
| |
| /* USTORM */ |
| last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM + |
| USTORM_ASSERT_LIST_INDEX_OFFSET); |
| if (last_idx) |
| BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); |
| |
| /* print the asserts */ |
| for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { |
| |
| row0 = REG_RD(bp, BAR_USTRORM_INTMEM + |
| USTORM_ASSERT_LIST_OFFSET(i)); |
| row1 = REG_RD(bp, BAR_USTRORM_INTMEM + |
| USTORM_ASSERT_LIST_OFFSET(i) + 4); |
| row2 = REG_RD(bp, BAR_USTRORM_INTMEM + |
| USTORM_ASSERT_LIST_OFFSET(i) + 8); |
| row3 = REG_RD(bp, BAR_USTRORM_INTMEM + |
| USTORM_ASSERT_LIST_OFFSET(i) + 12); |
| |
| if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { |
| BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x" |
| " 0x%08x 0x%08x 0x%08x\n", |
| i, row3, row2, row1, row0); |
| rc++; |
| } else { |
| break; |
| } |
| } |
| |
| return rc; |
| } |
| |
| static void bnx2x_fw_dump(struct bnx2x *bp) |
| { |
| u32 mark, offset; |
| __be32 data[9]; |
| int word; |
| |
| mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); |
| mark = ((mark + 0x3) & ~0x3); |
| printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark); |
| |
| for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { |
| for (word = 0; word < 8; word++) |
| data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + |
| offset + 4*word)); |
| data[8] = 0x0; |
| printk(KERN_CONT "%s", (char *)data); |
| } |
| for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { |
| for (word = 0; word < 8; word++) |
| data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + |
| offset + 4*word)); |
| data[8] = 0x0; |
| printk(KERN_CONT "%s", (char *)data); |
| } |
| printk("\n" KERN_ERR PFX "end of fw dump\n"); |
| } |
| |
| static void bnx2x_panic_dump(struct bnx2x *bp) |
| { |
| int i; |
| u16 j, start, end; |
| |
| bp->stats_state = STATS_STATE_DISABLED; |
| DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n"); |
| |
| BNX2X_ERR("begin crash dump -----------------\n"); |
| |
| /* Indices */ |
| /* Common */ |
| BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)" |
| " def_t_idx(%u) def_att_idx(%u) attn_state(%u)" |
| " spq_prod_idx(%u)\n", |
| bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx, |
| bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); |
| |
| /* Rx */ |
| for_each_rx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| BNX2X_ERR("queue[%d]: rx_bd_prod(%x) rx_bd_cons(%x)" |
| " *rx_bd_cons_sb(%x) rx_comp_prod(%x)" |
| " rx_comp_cons(%x) *rx_cons_sb(%x)\n", |
| i, fp->rx_bd_prod, fp->rx_bd_cons, |
| le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod, |
| fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb)); |
| BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)" |
| " fp_u_idx(%x) *sb_u_idx(%x)\n", |
| fp->rx_sge_prod, fp->last_max_sge, |
| le16_to_cpu(fp->fp_u_idx), |
| fp->status_blk->u_status_block.status_block_index); |
| } |
| |
| /* Tx */ |
| for_each_tx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| struct eth_tx_db_data *hw_prods = fp->hw_tx_prods; |
| |
| BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)" |
| " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n", |
| i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod, |
| fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb)); |
| BNX2X_ERR(" fp_c_idx(%x) *sb_c_idx(%x)" |
| " bd data(%x,%x)\n", le16_to_cpu(fp->fp_c_idx), |
| fp->status_blk->c_status_block.status_block_index, |
| hw_prods->packets_prod, hw_prods->bds_prod); |
| } |
| |
| /* Rings */ |
| /* Rx */ |
| for_each_rx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10); |
| end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503); |
| for (j = start; j != end; j = RX_BD(j + 1)) { |
| u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j]; |
| struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j]; |
| |
| BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n", |
| j, rx_bd[1], rx_bd[0], sw_bd->skb); |
| } |
| |
| start = RX_SGE(fp->rx_sge_prod); |
| end = RX_SGE(fp->last_max_sge); |
| for (j = start; j != end; j = RX_SGE(j + 1)) { |
| u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j]; |
| struct sw_rx_page *sw_page = &fp->rx_page_ring[j]; |
| |
| BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n", |
| j, rx_sge[1], rx_sge[0], sw_page->page); |
| } |
| |
| start = RCQ_BD(fp->rx_comp_cons - 10); |
| end = RCQ_BD(fp->rx_comp_cons + 503); |
| for (j = start; j != end; j = RCQ_BD(j + 1)) { |
| u32 *cqe = (u32 *)&fp->rx_comp_ring[j]; |
| |
| BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n", |
| j, cqe[0], cqe[1], cqe[2], cqe[3]); |
| } |
| } |
| |
| /* Tx */ |
| for_each_tx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10); |
| end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); |
| for (j = start; j != end; j = TX_BD(j + 1)) { |
| struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j]; |
| |
| BNX2X_ERR("packet[%x]=[%p,%x]\n", j, |
| sw_bd->skb, sw_bd->first_bd); |
| } |
| |
| start = TX_BD(fp->tx_bd_cons - 10); |
| end = TX_BD(fp->tx_bd_cons + 254); |
| for (j = start; j != end; j = TX_BD(j + 1)) { |
| u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j]; |
| |
| BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n", |
| j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]); |
| } |
| } |
| |
| bnx2x_fw_dump(bp); |
| bnx2x_mc_assert(bp); |
| BNX2X_ERR("end crash dump -----------------\n"); |
| } |
| |
| static void bnx2x_int_enable(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; |
| u32 val = REG_RD(bp, addr); |
| int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; |
| int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0; |
| |
| if (msix) { |
| val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | |
| HC_CONFIG_0_REG_INT_LINE_EN_0); |
| val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | |
| HC_CONFIG_0_REG_ATTN_BIT_EN_0); |
| } else if (msi) { |
| val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0; |
| val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | |
| HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | |
| HC_CONFIG_0_REG_ATTN_BIT_EN_0); |
| } else { |
| val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | |
| HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | |
| HC_CONFIG_0_REG_INT_LINE_EN_0 | |
| HC_CONFIG_0_REG_ATTN_BIT_EN_0); |
| |
| DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", |
| val, port, addr); |
| |
| REG_WR(bp, addr, val); |
| |
| val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; |
| } |
| |
| DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n", |
| val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx"))); |
| |
| REG_WR(bp, addr, val); |
| |
| if (CHIP_IS_E1H(bp)) { |
| /* init leading/trailing edge */ |
| if (IS_E1HMF(bp)) { |
| val = (0xee0f | (1 << (BP_E1HVN(bp) + 4))); |
| if (bp->port.pmf) |
| /* enable nig and gpio3 attention */ |
| val |= 0x1100; |
| } else |
| val = 0xffff; |
| |
| REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); |
| REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); |
| } |
| } |
| |
| static void bnx2x_int_disable(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; |
| u32 val = REG_RD(bp, addr); |
| |
| val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | |
| HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | |
| HC_CONFIG_0_REG_INT_LINE_EN_0 | |
| HC_CONFIG_0_REG_ATTN_BIT_EN_0); |
| |
| DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", |
| val, port, addr); |
| |
| /* flush all outstanding writes */ |
| mmiowb(); |
| |
| REG_WR(bp, addr, val); |
| if (REG_RD(bp, addr) != val) |
| BNX2X_ERR("BUG! proper val not read from IGU!\n"); |
| |
| } |
| |
| static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw) |
| { |
| int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; |
| int i, offset; |
| |
| /* disable interrupt handling */ |
| atomic_inc(&bp->intr_sem); |
| if (disable_hw) |
| /* prevent the HW from sending interrupts */ |
| bnx2x_int_disable(bp); |
| |
| /* make sure all ISRs are done */ |
| if (msix) { |
| synchronize_irq(bp->msix_table[0].vector); |
| offset = 1; |
| for_each_queue(bp, i) |
| synchronize_irq(bp->msix_table[i + offset].vector); |
| } else |
| synchronize_irq(bp->pdev->irq); |
| |
| /* make sure sp_task is not running */ |
| cancel_delayed_work(&bp->sp_task); |
| flush_workqueue(bnx2x_wq); |
| } |
| |
| /* fast path */ |
| |
| /* |
| * General service functions |
| */ |
| |
| static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id, |
| u8 storm, u16 index, u8 op, u8 update) |
| { |
| u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + |
| COMMAND_REG_INT_ACK); |
| struct igu_ack_register igu_ack; |
| |
| igu_ack.status_block_index = index; |
| igu_ack.sb_id_and_flags = |
| ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | |
| (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | |
| (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | |
| (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); |
| |
| DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n", |
| (*(u32 *)&igu_ack), hc_addr); |
| REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); |
| } |
| |
| static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) |
| { |
| struct host_status_block *fpsb = fp->status_blk; |
| u16 rc = 0; |
| |
| barrier(); /* status block is written to by the chip */ |
| if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) { |
| fp->fp_c_idx = fpsb->c_status_block.status_block_index; |
| rc |= 1; |
| } |
| if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) { |
| fp->fp_u_idx = fpsb->u_status_block.status_block_index; |
| rc |= 2; |
| } |
| return rc; |
| } |
| |
| static u16 bnx2x_ack_int(struct bnx2x *bp) |
| { |
| u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + |
| COMMAND_REG_SIMD_MASK); |
| u32 result = REG_RD(bp, hc_addr); |
| |
| DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n", |
| result, hc_addr); |
| |
| return result; |
| } |
| |
| |
| /* |
| * fast path service functions |
| */ |
| |
| static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp) |
| { |
| u16 tx_cons_sb; |
| |
| /* Tell compiler that status block fields can change */ |
| barrier(); |
| tx_cons_sb = le16_to_cpu(*fp->tx_cons_sb); |
| return (fp->tx_pkt_cons != tx_cons_sb); |
| } |
| |
| static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp) |
| { |
| /* Tell compiler that consumer and producer can change */ |
| barrier(); |
| return (fp->tx_pkt_prod != fp->tx_pkt_cons); |
| } |
| |
| /* free skb in the packet ring at pos idx |
| * return idx of last bd freed |
| */ |
| static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
| u16 idx) |
| { |
| struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; |
| struct eth_tx_bd *tx_bd; |
| struct sk_buff *skb = tx_buf->skb; |
| u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons; |
| int nbd; |
| |
| DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", |
| idx, tx_buf, skb); |
| |
| /* unmap first bd */ |
| DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); |
| tx_bd = &fp->tx_desc_ring[bd_idx]; |
| pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd), |
| BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); |
| |
| nbd = le16_to_cpu(tx_bd->nbd) - 1; |
| new_cons = nbd + tx_buf->first_bd; |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (nbd > (MAX_SKB_FRAGS + 2)) { |
| BNX2X_ERR("BAD nbd!\n"); |
| bnx2x_panic(); |
| } |
| #endif |
| |
| /* Skip a parse bd and the TSO split header bd |
| since they have no mapping */ |
| if (nbd) |
| bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); |
| |
| if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM | |
| ETH_TX_BD_FLAGS_TCP_CSUM | |
| ETH_TX_BD_FLAGS_SW_LSO)) { |
| if (--nbd) |
| bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); |
| tx_bd = &fp->tx_desc_ring[bd_idx]; |
| /* is this a TSO split header bd? */ |
| if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) { |
| if (--nbd) |
| bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); |
| } |
| } |
| |
| /* now free frags */ |
| while (nbd > 0) { |
| |
| DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); |
| tx_bd = &fp->tx_desc_ring[bd_idx]; |
| pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd), |
| BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); |
| if (--nbd) |
| bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); |
| } |
| |
| /* release skb */ |
| WARN_ON(!skb); |
| dev_kfree_skb(skb); |
| tx_buf->first_bd = 0; |
| tx_buf->skb = NULL; |
| |
| return new_cons; |
| } |
| |
| static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp) |
| { |
| s16 used; |
| u16 prod; |
| u16 cons; |
| |
| barrier(); /* Tell compiler that prod and cons can change */ |
| prod = fp->tx_bd_prod; |
| cons = fp->tx_bd_cons; |
| |
| /* NUM_TX_RINGS = number of "next-page" entries |
| It will be used as a threshold */ |
| used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS; |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| WARN_ON(used < 0); |
| WARN_ON(used > fp->bp->tx_ring_size); |
| WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL); |
| #endif |
| |
| return (s16)(fp->bp->tx_ring_size) - used; |
| } |
| |
| static void bnx2x_tx_int(struct bnx2x_fastpath *fp) |
| { |
| struct bnx2x *bp = fp->bp; |
| struct netdev_queue *txq; |
| u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; |
| int done = 0; |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return; |
| #endif |
| |
| txq = netdev_get_tx_queue(bp->dev, fp->index); |
| hw_cons = le16_to_cpu(*fp->tx_cons_sb); |
| sw_cons = fp->tx_pkt_cons; |
| |
| while (sw_cons != hw_cons) { |
| u16 pkt_cons; |
| |
| pkt_cons = TX_BD(sw_cons); |
| |
| /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */ |
| |
| DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n", |
| hw_cons, sw_cons, pkt_cons); |
| |
| /* if (NEXT_TX_IDX(sw_cons) != hw_cons) { |
| rmb(); |
| prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb); |
| } |
| */ |
| bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); |
| sw_cons++; |
| done++; |
| } |
| |
| fp->tx_pkt_cons = sw_cons; |
| fp->tx_bd_cons = bd_cons; |
| |
| /* TBD need a thresh? */ |
| if (unlikely(netif_tx_queue_stopped(txq))) { |
| |
| __netif_tx_lock(txq, smp_processor_id()); |
| |
| /* Need to make the tx_bd_cons update visible to start_xmit() |
| * before checking for netif_tx_queue_stopped(). Without the |
| * memory barrier, there is a small possibility that |
| * start_xmit() will miss it and cause the queue to be stopped |
| * forever. |
| */ |
| smp_mb(); |
| |
| if ((netif_tx_queue_stopped(txq)) && |
| (bp->state == BNX2X_STATE_OPEN) && |
| (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) |
| netif_tx_wake_queue(txq); |
| |
| __netif_tx_unlock(txq); |
| } |
| } |
| |
| |
| static void bnx2x_sp_event(struct bnx2x_fastpath *fp, |
| union eth_rx_cqe *rr_cqe) |
| { |
| struct bnx2x *bp = fp->bp; |
| int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data); |
| int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); |
| |
| DP(BNX2X_MSG_SP, |
| "fp %d cid %d got ramrod #%d state is %x type is %d\n", |
| fp->index, cid, command, bp->state, |
| rr_cqe->ramrod_cqe.ramrod_type); |
| |
| bp->spq_left++; |
| |
| if (fp->index) { |
| switch (command | fp->state) { |
| case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | |
| BNX2X_FP_STATE_OPENING): |
| DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", |
| cid); |
| fp->state = BNX2X_FP_STATE_OPEN; |
| break; |
| |
| case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): |
| DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", |
| cid); |
| fp->state = BNX2X_FP_STATE_HALTED; |
| break; |
| |
| default: |
| BNX2X_ERR("unexpected MC reply (%d) " |
| "fp->state is %x\n", command, fp->state); |
| break; |
| } |
| mb(); /* force bnx2x_wait_ramrod() to see the change */ |
| return; |
| } |
| |
| switch (command | bp->state) { |
| case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): |
| DP(NETIF_MSG_IFUP, "got setup ramrod\n"); |
| bp->state = BNX2X_STATE_OPEN; |
| break; |
| |
| case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT): |
| DP(NETIF_MSG_IFDOWN, "got halt ramrod\n"); |
| bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE; |
| fp->state = BNX2X_FP_STATE_HALTED; |
| break; |
| |
| case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): |
| DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid); |
| bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED; |
| break; |
| |
| |
| case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): |
| case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG): |
| DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); |
| bp->set_mac_pending = 0; |
| break; |
| |
| case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT): |
| DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n"); |
| break; |
| |
| default: |
| BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n", |
| command, bp->state); |
| break; |
| } |
| mb(); /* force bnx2x_wait_ramrod() to see the change */ |
| } |
| |
| static inline void bnx2x_free_rx_sge(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, u16 index) |
| { |
| struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; |
| struct page *page = sw_buf->page; |
| struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; |
| |
| /* Skip "next page" elements */ |
| if (!page) |
| return; |
| |
| pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping), |
| SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE); |
| __free_pages(page, PAGES_PER_SGE_SHIFT); |
| |
| sw_buf->page = NULL; |
| sge->addr_hi = 0; |
| sge->addr_lo = 0; |
| } |
| |
| static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, int last) |
| { |
| int i; |
| |
| for (i = 0; i < last; i++) |
| bnx2x_free_rx_sge(bp, fp, i); |
| } |
| |
| static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, u16 index) |
| { |
| struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT); |
| struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; |
| struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; |
| dma_addr_t mapping; |
| |
| if (unlikely(page == NULL)) |
| return -ENOMEM; |
| |
| mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE, |
| PCI_DMA_FROMDEVICE); |
| if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { |
| __free_pages(page, PAGES_PER_SGE_SHIFT); |
| return -ENOMEM; |
| } |
| |
| sw_buf->page = page; |
| pci_unmap_addr_set(sw_buf, mapping, mapping); |
| |
| sge->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| sge->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| |
| return 0; |
| } |
| |
| static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, u16 index) |
| { |
| struct sk_buff *skb; |
| struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; |
| struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; |
| dma_addr_t mapping; |
| |
| skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); |
| if (unlikely(skb == NULL)) |
| return -ENOMEM; |
| |
| mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size, |
| PCI_DMA_FROMDEVICE); |
| if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { |
| dev_kfree_skb(skb); |
| return -ENOMEM; |
| } |
| |
| rx_buf->skb = skb; |
| pci_unmap_addr_set(rx_buf, mapping, mapping); |
| |
| rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| |
| return 0; |
| } |
| |
| /* note that we are not allocating a new skb, |
| * we are just moving one from cons to prod |
| * we are not creating a new mapping, |
| * so there is no need to check for dma_mapping_error(). |
| */ |
| static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp, |
| struct sk_buff *skb, u16 cons, u16 prod) |
| { |
| struct bnx2x *bp = fp->bp; |
| struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; |
| struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; |
| struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; |
| struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; |
| |
| pci_dma_sync_single_for_device(bp->pdev, |
| pci_unmap_addr(cons_rx_buf, mapping), |
| RX_COPY_THRESH, PCI_DMA_FROMDEVICE); |
| |
| prod_rx_buf->skb = cons_rx_buf->skb; |
| pci_unmap_addr_set(prod_rx_buf, mapping, |
| pci_unmap_addr(cons_rx_buf, mapping)); |
| *prod_bd = *cons_bd; |
| } |
| |
| static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp, |
| u16 idx) |
| { |
| u16 last_max = fp->last_max_sge; |
| |
| if (SUB_S16(idx, last_max) > 0) |
| fp->last_max_sge = idx; |
| } |
| |
| static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp) |
| { |
| int i, j; |
| |
| for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { |
| int idx = RX_SGE_CNT * i - 1; |
| |
| for (j = 0; j < 2; j++) { |
| SGE_MASK_CLEAR_BIT(fp, idx); |
| idx--; |
| } |
| } |
| } |
| |
| static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, |
| struct eth_fast_path_rx_cqe *fp_cqe) |
| { |
| struct bnx2x *bp = fp->bp; |
| u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) - |
| le16_to_cpu(fp_cqe->len_on_bd)) >> |
| SGE_PAGE_SHIFT; |
| u16 last_max, last_elem, first_elem; |
| u16 delta = 0; |
| u16 i; |
| |
| if (!sge_len) |
| return; |
| |
| /* First mark all used pages */ |
| for (i = 0; i < sge_len; i++) |
| SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i]))); |
| |
| DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n", |
| sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1])); |
| |
| /* Here we assume that the last SGE index is the biggest */ |
| prefetch((void *)(fp->sge_mask)); |
| bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1])); |
| |
| last_max = RX_SGE(fp->last_max_sge); |
| last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT; |
| first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT; |
| |
| /* If ring is not full */ |
| if (last_elem + 1 != first_elem) |
| last_elem++; |
| |
| /* Now update the prod */ |
| for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) { |
| if (likely(fp->sge_mask[i])) |
| break; |
| |
| fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK; |
| delta += RX_SGE_MASK_ELEM_SZ; |
| } |
| |
| if (delta > 0) { |
| fp->rx_sge_prod += delta; |
| /* clear page-end entries */ |
| bnx2x_clear_sge_mask_next_elems(fp); |
| } |
| |
| DP(NETIF_MSG_RX_STATUS, |
| "fp->last_max_sge = %d fp->rx_sge_prod = %d\n", |
| fp->last_max_sge, fp->rx_sge_prod); |
| } |
| |
| static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp) |
| { |
| /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */ |
| memset(fp->sge_mask, 0xff, |
| (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64)); |
| |
| /* Clear the two last indices in the page to 1: |
| these are the indices that correspond to the "next" element, |
| hence will never be indicated and should be removed from |
| the calculations. */ |
| bnx2x_clear_sge_mask_next_elems(fp); |
| } |
| |
| static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, |
| struct sk_buff *skb, u16 cons, u16 prod) |
| { |
| struct bnx2x *bp = fp->bp; |
| struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; |
| struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; |
| struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; |
| dma_addr_t mapping; |
| |
| /* move empty skb from pool to prod and map it */ |
| prod_rx_buf->skb = fp->tpa_pool[queue].skb; |
| mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data, |
| bp->rx_buf_size, PCI_DMA_FROMDEVICE); |
| pci_unmap_addr_set(prod_rx_buf, mapping, mapping); |
| |
| /* move partial skb from cons to pool (don't unmap yet) */ |
| fp->tpa_pool[queue] = *cons_rx_buf; |
| |
| /* mark bin state as start - print error if current state != stop */ |
| if (fp->tpa_state[queue] != BNX2X_TPA_STOP) |
| BNX2X_ERR("start of bin not in stop [%d]\n", queue); |
| |
| fp->tpa_state[queue] = BNX2X_TPA_START; |
| |
| /* point prod_bd to new skb */ |
| prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| fp->tpa_queue_used |= (1 << queue); |
| #ifdef __powerpc64__ |
| DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n", |
| #else |
| DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n", |
| #endif |
| fp->tpa_queue_used); |
| #endif |
| } |
| |
| static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
| struct sk_buff *skb, |
| struct eth_fast_path_rx_cqe *fp_cqe, |
| u16 cqe_idx) |
| { |
| struct sw_rx_page *rx_pg, old_rx_pg; |
| u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd); |
| u32 i, frag_len, frag_size, pages; |
| int err; |
| int j; |
| |
| frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd; |
| pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT; |
| |
| /* This is needed in order to enable forwarding support */ |
| if (frag_size) |
| skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE, |
| max(frag_size, (u32)len_on_bd)); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (pages > |
| min((u32)8, (u32)MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE) { |
| BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n", |
| pages, cqe_idx); |
| BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n", |
| fp_cqe->pkt_len, len_on_bd); |
| bnx2x_panic(); |
| return -EINVAL; |
| } |
| #endif |
| |
| /* Run through the SGL and compose the fragmented skb */ |
| for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) { |
| u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j])); |
| |
| /* FW gives the indices of the SGE as if the ring is an array |
| (meaning that "next" element will consume 2 indices) */ |
| frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE)); |
| rx_pg = &fp->rx_page_ring[sge_idx]; |
| old_rx_pg = *rx_pg; |
| |
| /* If we fail to allocate a substitute page, we simply stop |
| where we are and drop the whole packet */ |
| err = bnx2x_alloc_rx_sge(bp, fp, sge_idx); |
| if (unlikely(err)) { |
| fp->eth_q_stats.rx_skb_alloc_failed++; |
| return err; |
| } |
| |
| /* Unmap the page as we r going to pass it to the stack */ |
| pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping), |
| SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE); |
| |
| /* Add one frag and update the appropriate fields in the skb */ |
| skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len); |
| |
| skb->data_len += frag_len; |
| skb->truesize += frag_len; |
| skb->len += frag_len; |
| |
| frag_size -= frag_len; |
| } |
| |
| return 0; |
| } |
| |
| static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
| u16 queue, int pad, int len, union eth_rx_cqe *cqe, |
| u16 cqe_idx) |
| { |
| struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue]; |
| struct sk_buff *skb = rx_buf->skb; |
| /* alloc new skb */ |
| struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); |
| |
| /* Unmap skb in the pool anyway, as we are going to change |
| pool entry status to BNX2X_TPA_STOP even if new skb allocation |
| fails. */ |
| pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping), |
| bp->rx_buf_size, PCI_DMA_FROMDEVICE); |
| |
| if (likely(new_skb)) { |
| /* fix ip xsum and give it to the stack */ |
| /* (no need to map the new skb) */ |
| #ifdef BCM_VLAN |
| int is_vlan_cqe = |
| (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & |
| PARSING_FLAGS_VLAN); |
| int is_not_hwaccel_vlan_cqe = |
| (is_vlan_cqe && (!(bp->flags & HW_VLAN_RX_FLAG))); |
| #endif |
| |
| prefetch(skb); |
| prefetch(((char *)(skb)) + 128); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (pad + len > bp->rx_buf_size) { |
| BNX2X_ERR("skb_put is about to fail... " |
| "pad %d len %d rx_buf_size %d\n", |
| pad, len, bp->rx_buf_size); |
| bnx2x_panic(); |
| return; |
| } |
| #endif |
| |
| skb_reserve(skb, pad); |
| skb_put(skb, len); |
| |
| skb->protocol = eth_type_trans(skb, bp->dev); |
| skb->ip_summed = CHECKSUM_UNNECESSARY; |
| |
| { |
| struct iphdr *iph; |
| |
| iph = (struct iphdr *)skb->data; |
| #ifdef BCM_VLAN |
| /* If there is no Rx VLAN offloading - |
| take VLAN tag into an account */ |
| if (unlikely(is_not_hwaccel_vlan_cqe)) |
| iph = (struct iphdr *)((u8 *)iph + VLAN_HLEN); |
| #endif |
| iph->check = 0; |
| iph->check = ip_fast_csum((u8 *)iph, iph->ihl); |
| } |
| |
| if (!bnx2x_fill_frag_skb(bp, fp, skb, |
| &cqe->fast_path_cqe, cqe_idx)) { |
| #ifdef BCM_VLAN |
| if ((bp->vlgrp != NULL) && is_vlan_cqe && |
| (!is_not_hwaccel_vlan_cqe)) |
| vlan_hwaccel_receive_skb(skb, bp->vlgrp, |
| le16_to_cpu(cqe->fast_path_cqe. |
| vlan_tag)); |
| else |
| #endif |
| netif_receive_skb(skb); |
| } else { |
| DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages" |
| " - dropping packet!\n"); |
| dev_kfree_skb(skb); |
| } |
| |
| |
| /* put new skb in bin */ |
| fp->tpa_pool[queue].skb = new_skb; |
| |
| } else { |
| /* else drop the packet and keep the buffer in the bin */ |
| DP(NETIF_MSG_RX_STATUS, |
| "Failed to allocate new skb - dropping packet!\n"); |
| fp->eth_q_stats.rx_skb_alloc_failed++; |
| } |
| |
| fp->tpa_state[queue] = BNX2X_TPA_STOP; |
| } |
| |
| static inline void bnx2x_update_rx_prod(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, |
| u16 bd_prod, u16 rx_comp_prod, |
| u16 rx_sge_prod) |
| { |
| struct ustorm_eth_rx_producers rx_prods = {0}; |
| int i; |
| |
| /* Update producers */ |
| rx_prods.bd_prod = bd_prod; |
| rx_prods.cqe_prod = rx_comp_prod; |
| rx_prods.sge_prod = rx_sge_prod; |
| |
| /* |
| * Make sure that the BD and SGE data is updated before updating the |
| * producers since FW might read the BD/SGE right after the producer |
| * is updated. |
| * This is only applicable for weak-ordered memory model archs such |
| * as IA-64. The following barrier is also mandatory since FW will |
| * assumes BDs must have buffers. |
| */ |
| wmb(); |
| |
| for (i = 0; i < sizeof(struct ustorm_eth_rx_producers)/4; i++) |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_RX_PRODS_OFFSET(BP_PORT(bp), fp->cl_id) + i*4, |
| ((u32 *)&rx_prods)[i]); |
| |
| mmiowb(); /* keep prod updates ordered */ |
| |
| DP(NETIF_MSG_RX_STATUS, |
| "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", |
| fp->index, bd_prod, rx_comp_prod, rx_sge_prod); |
| } |
| |
| static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) |
| { |
| struct bnx2x *bp = fp->bp; |
| u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons; |
| u16 hw_comp_cons, sw_comp_cons, sw_comp_prod; |
| int rx_pkt = 0; |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return 0; |
| #endif |
| |
| /* CQ "next element" is of the size of the regular element, |
| that's why it's ok here */ |
| hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb); |
| if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) |
| hw_comp_cons++; |
| |
| bd_cons = fp->rx_bd_cons; |
| bd_prod = fp->rx_bd_prod; |
| bd_prod_fw = bd_prod; |
| sw_comp_cons = fp->rx_comp_cons; |
| sw_comp_prod = fp->rx_comp_prod; |
| |
| /* Memory barrier necessary as speculative reads of the rx |
| * buffer can be ahead of the index in the status block |
| */ |
| rmb(); |
| |
| DP(NETIF_MSG_RX_STATUS, |
| "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n", |
| fp->index, hw_comp_cons, sw_comp_cons); |
| |
| while (sw_comp_cons != hw_comp_cons) { |
| struct sw_rx_bd *rx_buf = NULL; |
| struct sk_buff *skb; |
| union eth_rx_cqe *cqe; |
| u8 cqe_fp_flags; |
| u16 len, pad; |
| |
| comp_ring_cons = RCQ_BD(sw_comp_cons); |
| bd_prod = RX_BD(bd_prod); |
| bd_cons = RX_BD(bd_cons); |
| |
| cqe = &fp->rx_comp_ring[comp_ring_cons]; |
| cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; |
| |
| DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" |
| " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags), |
| cqe_fp_flags, cqe->fast_path_cqe.status_flags, |
| le32_to_cpu(cqe->fast_path_cqe.rss_hash_result), |
| le16_to_cpu(cqe->fast_path_cqe.vlan_tag), |
| le16_to_cpu(cqe->fast_path_cqe.pkt_len)); |
| |
| /* is this a slowpath msg? */ |
| if (unlikely(CQE_TYPE(cqe_fp_flags))) { |
| bnx2x_sp_event(fp, cqe); |
| goto next_cqe; |
| |
| /* this is an rx packet */ |
| } else { |
| rx_buf = &fp->rx_buf_ring[bd_cons]; |
| skb = rx_buf->skb; |
| len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); |
| pad = cqe->fast_path_cqe.placement_offset; |
| |
| /* If CQE is marked both TPA_START and TPA_END |
| it is a non-TPA CQE */ |
| if ((!fp->disable_tpa) && |
| (TPA_TYPE(cqe_fp_flags) != |
| (TPA_TYPE_START | TPA_TYPE_END))) { |
| u16 queue = cqe->fast_path_cqe.queue_index; |
| |
| if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) { |
| DP(NETIF_MSG_RX_STATUS, |
| "calling tpa_start on queue %d\n", |
| queue); |
| |
| bnx2x_tpa_start(fp, queue, skb, |
| bd_cons, bd_prod); |
| goto next_rx; |
| } |
| |
| if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) { |
| DP(NETIF_MSG_RX_STATUS, |
| "calling tpa_stop on queue %d\n", |
| queue); |
| |
| if (!BNX2X_RX_SUM_FIX(cqe)) |
| BNX2X_ERR("STOP on none TCP " |
| "data\n"); |
| |
| /* This is a size of the linear data |
| on this skb */ |
| len = le16_to_cpu(cqe->fast_path_cqe. |
| len_on_bd); |
| bnx2x_tpa_stop(bp, fp, queue, pad, |
| len, cqe, comp_ring_cons); |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (bp->panic) |
| return -EINVAL; |
| #endif |
| |
| bnx2x_update_sge_prod(fp, |
| &cqe->fast_path_cqe); |
| goto next_cqe; |
| } |
| } |
| |
| pci_dma_sync_single_for_device(bp->pdev, |
| pci_unmap_addr(rx_buf, mapping), |
| pad + RX_COPY_THRESH, |
| PCI_DMA_FROMDEVICE); |
| prefetch(skb); |
| prefetch(((char *)(skb)) + 128); |
| |
| /* is this an error packet? */ |
| if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) { |
| DP(NETIF_MSG_RX_ERR, |
| "ERROR flags %x rx packet %u\n", |
| cqe_fp_flags, sw_comp_cons); |
| fp->eth_q_stats.rx_err_discard_pkt++; |
| goto reuse_rx; |
| } |
| |
| /* Since we don't have a jumbo ring |
| * copy small packets if mtu > 1500 |
| */ |
| if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) && |
| (len <= RX_COPY_THRESH)) { |
| struct sk_buff *new_skb; |
| |
| new_skb = netdev_alloc_skb(bp->dev, |
| len + pad); |
| if (new_skb == NULL) { |
| DP(NETIF_MSG_RX_ERR, |
| "ERROR packet dropped " |
| "because of alloc failure\n"); |
| fp->eth_q_stats.rx_skb_alloc_failed++; |
| goto reuse_rx; |
| } |
| |
| /* aligned copy */ |
| skb_copy_from_linear_data_offset(skb, pad, |
| new_skb->data + pad, len); |
| skb_reserve(new_skb, pad); |
| skb_put(new_skb, len); |
| |
| bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); |
| |
| skb = new_skb; |
| |
| } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) { |
| pci_unmap_single(bp->pdev, |
| pci_unmap_addr(rx_buf, mapping), |
| bp->rx_buf_size, |
| PCI_DMA_FROMDEVICE); |
| skb_reserve(skb, pad); |
| skb_put(skb, len); |
| |
| } else { |
| DP(NETIF_MSG_RX_ERR, |
| "ERROR packet dropped because " |
| "of alloc failure\n"); |
| fp->eth_q_stats.rx_skb_alloc_failed++; |
| reuse_rx: |
| bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); |
| goto next_rx; |
| } |
| |
| skb->protocol = eth_type_trans(skb, bp->dev); |
| |
| skb->ip_summed = CHECKSUM_NONE; |
| if (bp->rx_csum) { |
| if (likely(BNX2X_RX_CSUM_OK(cqe))) |
| skb->ip_summed = CHECKSUM_UNNECESSARY; |
| else |
| fp->eth_q_stats.hw_csum_err++; |
| } |
| } |
| |
| skb_record_rx_queue(skb, fp->index); |
| #ifdef BCM_VLAN |
| if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) && |
| (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & |
| PARSING_FLAGS_VLAN)) |
| vlan_hwaccel_receive_skb(skb, bp->vlgrp, |
| le16_to_cpu(cqe->fast_path_cqe.vlan_tag)); |
| else |
| #endif |
| netif_receive_skb(skb); |
| |
| |
| next_rx: |
| rx_buf->skb = NULL; |
| |
| bd_cons = NEXT_RX_IDX(bd_cons); |
| bd_prod = NEXT_RX_IDX(bd_prod); |
| bd_prod_fw = NEXT_RX_IDX(bd_prod_fw); |
| rx_pkt++; |
| next_cqe: |
| sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod); |
| sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons); |
| |
| if (rx_pkt == budget) |
| break; |
| } /* while */ |
| |
| fp->rx_bd_cons = bd_cons; |
| fp->rx_bd_prod = bd_prod_fw; |
| fp->rx_comp_cons = sw_comp_cons; |
| fp->rx_comp_prod = sw_comp_prod; |
| |
| /* Update producers */ |
| bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod, |
| fp->rx_sge_prod); |
| |
| fp->rx_pkt += rx_pkt; |
| fp->rx_calls++; |
| |
| return rx_pkt; |
| } |
| |
| static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) |
| { |
| struct bnx2x_fastpath *fp = fp_cookie; |
| struct bnx2x *bp = fp->bp; |
| int index = fp->index; |
| |
| /* Return here if interrupt is disabled */ |
| if (unlikely(atomic_read(&bp->intr_sem) != 0)) { |
| DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); |
| return IRQ_HANDLED; |
| } |
| |
| DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n", |
| index, fp->sb_id); |
| bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID, 0, IGU_INT_DISABLE, 0); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return IRQ_HANDLED; |
| #endif |
| |
| prefetch(fp->rx_cons_sb); |
| prefetch(fp->tx_cons_sb); |
| prefetch(&fp->status_blk->c_status_block.status_block_index); |
| prefetch(&fp->status_blk->u_status_block.status_block_index); |
| |
| napi_schedule(&bnx2x_fp(bp, index, napi)); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance) |
| { |
| struct bnx2x *bp = netdev_priv(dev_instance); |
| u16 status = bnx2x_ack_int(bp); |
| u16 mask; |
| |
| /* Return here if interrupt is shared and it's not for us */ |
| if (unlikely(status == 0)) { |
| DP(NETIF_MSG_INTR, "not our interrupt!\n"); |
| return IRQ_NONE; |
| } |
| DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status); |
| |
| /* Return here if interrupt is disabled */ |
| if (unlikely(atomic_read(&bp->intr_sem) != 0)) { |
| DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); |
| return IRQ_HANDLED; |
| } |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return IRQ_HANDLED; |
| #endif |
| |
| mask = 0x2 << bp->fp[0].sb_id; |
| if (status & mask) { |
| struct bnx2x_fastpath *fp = &bp->fp[0]; |
| |
| prefetch(fp->rx_cons_sb); |
| prefetch(fp->tx_cons_sb); |
| prefetch(&fp->status_blk->c_status_block.status_block_index); |
| prefetch(&fp->status_blk->u_status_block.status_block_index); |
| |
| napi_schedule(&bnx2x_fp(bp, 0, napi)); |
| |
| status &= ~mask; |
| } |
| |
| |
| if (unlikely(status & 0x1)) { |
| queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); |
| |
| status &= ~0x1; |
| if (!status) |
| return IRQ_HANDLED; |
| } |
| |
| if (status) |
| DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n", |
| status); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* end of fast path */ |
| |
| static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event); |
| |
| /* Link */ |
| |
| /* |
| * General service functions |
| */ |
| |
| static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource) |
| { |
| u32 lock_status; |
| u32 resource_bit = (1 << resource); |
| int func = BP_FUNC(bp); |
| u32 hw_lock_control_reg; |
| int cnt; |
| |
| /* Validating that the resource is within range */ |
| if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { |
| DP(NETIF_MSG_HW, |
| "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", |
| resource, HW_LOCK_MAX_RESOURCE_VALUE); |
| return -EINVAL; |
| } |
| |
| if (func <= 5) { |
| hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); |
| } else { |
| hw_lock_control_reg = |
| (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); |
| } |
| |
| /* Validating that the resource is not already taken */ |
| lock_status = REG_RD(bp, hw_lock_control_reg); |
| if (lock_status & resource_bit) { |
| DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", |
| lock_status, resource_bit); |
| return -EEXIST; |
| } |
| |
| /* Try for 5 second every 5ms */ |
| for (cnt = 0; cnt < 1000; cnt++) { |
| /* Try to acquire the lock */ |
| REG_WR(bp, hw_lock_control_reg + 4, resource_bit); |
| lock_status = REG_RD(bp, hw_lock_control_reg); |
| if (lock_status & resource_bit) |
| return 0; |
| |
| msleep(5); |
| } |
| DP(NETIF_MSG_HW, "Timeout\n"); |
| return -EAGAIN; |
| } |
| |
| static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource) |
| { |
| u32 lock_status; |
| u32 resource_bit = (1 << resource); |
| int func = BP_FUNC(bp); |
| u32 hw_lock_control_reg; |
| |
| /* Validating that the resource is within range */ |
| if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { |
| DP(NETIF_MSG_HW, |
| "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", |
| resource, HW_LOCK_MAX_RESOURCE_VALUE); |
| return -EINVAL; |
| } |
| |
| if (func <= 5) { |
| hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); |
| } else { |
| hw_lock_control_reg = |
| (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); |
| } |
| |
| /* Validating that the resource is currently taken */ |
| lock_status = REG_RD(bp, hw_lock_control_reg); |
| if (!(lock_status & resource_bit)) { |
| DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", |
| lock_status, resource_bit); |
| return -EFAULT; |
| } |
| |
| REG_WR(bp, hw_lock_control_reg, resource_bit); |
| return 0; |
| } |
| |
| /* HW Lock for shared dual port PHYs */ |
| static void bnx2x_acquire_phy_lock(struct bnx2x *bp) |
| { |
| mutex_lock(&bp->port.phy_mutex); |
| |
| if (bp->port.need_hw_lock) |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_MDIO); |
| } |
| |
| static void bnx2x_release_phy_lock(struct bnx2x *bp) |
| { |
| if (bp->port.need_hw_lock) |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_MDIO); |
| |
| mutex_unlock(&bp->port.phy_mutex); |
| } |
| |
| int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port) |
| { |
| /* The GPIO should be swapped if swap register is set and active */ |
| int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && |
| REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; |
| int gpio_shift = gpio_num + |
| (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); |
| u32 gpio_mask = (1 << gpio_shift); |
| u32 gpio_reg; |
| int value; |
| |
| if (gpio_num > MISC_REGISTERS_GPIO_3) { |
| BNX2X_ERR("Invalid GPIO %d\n", gpio_num); |
| return -EINVAL; |
| } |
| |
| /* read GPIO value */ |
| gpio_reg = REG_RD(bp, MISC_REG_GPIO); |
| |
| /* get the requested pin value */ |
| if ((gpio_reg & gpio_mask) == gpio_mask) |
| value = 1; |
| else |
| value = 0; |
| |
| DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value); |
| |
| return value; |
| } |
| |
| int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port) |
| { |
| /* The GPIO should be swapped if swap register is set and active */ |
| int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && |
| REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; |
| int gpio_shift = gpio_num + |
| (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); |
| u32 gpio_mask = (1 << gpio_shift); |
| u32 gpio_reg; |
| |
| if (gpio_num > MISC_REGISTERS_GPIO_3) { |
| BNX2X_ERR("Invalid GPIO %d\n", gpio_num); |
| return -EINVAL; |
| } |
| |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); |
| /* read GPIO and mask except the float bits */ |
| gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT); |
| |
| switch (mode) { |
| case MISC_REGISTERS_GPIO_OUTPUT_LOW: |
| DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n", |
| gpio_num, gpio_shift); |
| /* clear FLOAT and set CLR */ |
| gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); |
| gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS); |
| break; |
| |
| case MISC_REGISTERS_GPIO_OUTPUT_HIGH: |
| DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n", |
| gpio_num, gpio_shift); |
| /* clear FLOAT and set SET */ |
| gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); |
| gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS); |
| break; |
| |
| case MISC_REGISTERS_GPIO_INPUT_HI_Z: |
| DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n", |
| gpio_num, gpio_shift); |
| /* set FLOAT */ |
| gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); |
| break; |
| |
| default: |
| break; |
| } |
| |
| REG_WR(bp, MISC_REG_GPIO, gpio_reg); |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); |
| |
| return 0; |
| } |
| |
| int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port) |
| { |
| /* The GPIO should be swapped if swap register is set and active */ |
| int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && |
| REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; |
| int gpio_shift = gpio_num + |
| (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); |
| u32 gpio_mask = (1 << gpio_shift); |
| u32 gpio_reg; |
| |
| if (gpio_num > MISC_REGISTERS_GPIO_3) { |
| BNX2X_ERR("Invalid GPIO %d\n", gpio_num); |
| return -EINVAL; |
| } |
| |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); |
| /* read GPIO int */ |
| gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT); |
| |
| switch (mode) { |
| case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR: |
| DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> " |
| "output low\n", gpio_num, gpio_shift); |
| /* clear SET and set CLR */ |
| gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS); |
| gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS); |
| break; |
| |
| case MISC_REGISTERS_GPIO_INT_OUTPUT_SET: |
| DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> " |
| "output high\n", gpio_num, gpio_shift); |
| /* clear CLR and set SET */ |
| gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS); |
| gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS); |
| break; |
| |
| default: |
| break; |
| } |
| |
| REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg); |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); |
| |
| return 0; |
| } |
| |
| static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode) |
| { |
| u32 spio_mask = (1 << spio_num); |
| u32 spio_reg; |
| |
| if ((spio_num < MISC_REGISTERS_SPIO_4) || |
| (spio_num > MISC_REGISTERS_SPIO_7)) { |
| BNX2X_ERR("Invalid SPIO %d\n", spio_num); |
| return -EINVAL; |
| } |
| |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); |
| /* read SPIO and mask except the float bits */ |
| spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT); |
| |
| switch (mode) { |
| case MISC_REGISTERS_SPIO_OUTPUT_LOW: |
| DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num); |
| /* clear FLOAT and set CLR */ |
| spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); |
| spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS); |
| break; |
| |
| case MISC_REGISTERS_SPIO_OUTPUT_HIGH: |
| DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num); |
| /* clear FLOAT and set SET */ |
| spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); |
| spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS); |
| break; |
| |
| case MISC_REGISTERS_SPIO_INPUT_HI_Z: |
| DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num); |
| /* set FLOAT */ |
| spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); |
| break; |
| |
| default: |
| break; |
| } |
| |
| REG_WR(bp, MISC_REG_SPIO, spio_reg); |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); |
| |
| return 0; |
| } |
| |
| static void bnx2x_calc_fc_adv(struct bnx2x *bp) |
| { |
| switch (bp->link_vars.ieee_fc & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) { |
| case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE: |
| bp->port.advertising &= ~(ADVERTISED_Asym_Pause | |
| ADVERTISED_Pause); |
| break; |
| |
| case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH: |
| bp->port.advertising |= (ADVERTISED_Asym_Pause | |
| ADVERTISED_Pause); |
| break; |
| |
| case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC: |
| bp->port.advertising |= ADVERTISED_Asym_Pause; |
| break; |
| |
| default: |
| bp->port.advertising &= ~(ADVERTISED_Asym_Pause | |
| ADVERTISED_Pause); |
| break; |
| } |
| } |
| |
| static void bnx2x_link_report(struct bnx2x *bp) |
| { |
| if (bp->link_vars.link_up) { |
| if (bp->state == BNX2X_STATE_OPEN) |
| netif_carrier_on(bp->dev); |
| printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name); |
| |
| printk("%d Mbps ", bp->link_vars.line_speed); |
| |
| if (bp->link_vars.duplex == DUPLEX_FULL) |
| printk("full duplex"); |
| else |
| printk("half duplex"); |
| |
| if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) { |
| if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) { |
| printk(", receive "); |
| if (bp->link_vars.flow_ctrl & |
| BNX2X_FLOW_CTRL_TX) |
| printk("& transmit "); |
| } else { |
| printk(", transmit "); |
| } |
| printk("flow control ON"); |
| } |
| printk("\n"); |
| |
| } else { /* link_down */ |
| netif_carrier_off(bp->dev); |
| printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name); |
| } |
| } |
| |
| static u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) |
| { |
| if (!BP_NOMCP(bp)) { |
| u8 rc; |
| |
| /* Initialize link parameters structure variables */ |
| /* It is recommended to turn off RX FC for jumbo frames |
| for better performance */ |
| if (IS_E1HMF(bp)) |
| bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; |
| else if (bp->dev->mtu > 5000) |
| bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX; |
| else |
| bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; |
| |
| bnx2x_acquire_phy_lock(bp); |
| |
| if (load_mode == LOAD_DIAG) |
| bp->link_params.loopback_mode = LOOPBACK_XGXS_10; |
| |
| rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars); |
| |
| bnx2x_release_phy_lock(bp); |
| |
| bnx2x_calc_fc_adv(bp); |
| |
| if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) { |
| bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); |
| bnx2x_link_report(bp); |
| } |
| |
| return rc; |
| } |
| BNX2X_ERR("Bootcode is missing - can not initialize link\n"); |
| return -EINVAL; |
| } |
| |
| static void bnx2x_link_set(struct bnx2x *bp) |
| { |
| if (!BP_NOMCP(bp)) { |
| bnx2x_acquire_phy_lock(bp); |
| bnx2x_phy_init(&bp->link_params, &bp->link_vars); |
| bnx2x_release_phy_lock(bp); |
| |
| bnx2x_calc_fc_adv(bp); |
| } else |
| BNX2X_ERR("Bootcode is missing - can not set link\n"); |
| } |
| |
| static void bnx2x__link_reset(struct bnx2x *bp) |
| { |
| if (!BP_NOMCP(bp)) { |
| bnx2x_acquire_phy_lock(bp); |
| bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1); |
| bnx2x_release_phy_lock(bp); |
| } else |
| BNX2X_ERR("Bootcode is missing - can not reset link\n"); |
| } |
| |
| static u8 bnx2x_link_test(struct bnx2x *bp) |
| { |
| u8 rc; |
| |
| bnx2x_acquire_phy_lock(bp); |
| rc = bnx2x_test_link(&bp->link_params, &bp->link_vars); |
| bnx2x_release_phy_lock(bp); |
| |
| return rc; |
| } |
| |
| static void bnx2x_init_port_minmax(struct bnx2x *bp) |
| { |
| u32 r_param = bp->link_vars.line_speed / 8; |
| u32 fair_periodic_timeout_usec; |
| u32 t_fair; |
| |
| memset(&(bp->cmng.rs_vars), 0, |
| sizeof(struct rate_shaping_vars_per_port)); |
| memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port)); |
| |
| /* 100 usec in SDM ticks = 25 since each tick is 4 usec */ |
| bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4; |
| |
| /* this is the threshold below which no timer arming will occur |
| 1.25 coefficient is for the threshold to be a little bigger |
| than the real time, to compensate for timer in-accuracy */ |
| bp->cmng.rs_vars.rs_threshold = |
| (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4; |
| |
| /* resolution of fairness timer */ |
| fair_periodic_timeout_usec = QM_ARB_BYTES / r_param; |
| /* for 10G it is 1000usec. for 1G it is 10000usec. */ |
| t_fair = T_FAIR_COEF / bp->link_vars.line_speed; |
| |
| /* this is the threshold below which we won't arm the timer anymore */ |
| bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES; |
| |
| /* we multiply by 1e3/8 to get bytes/msec. |
| We don't want the credits to pass a credit |
| of the t_fair*FAIR_MEM (algorithm resolution) */ |
| bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM; |
| /* since each tick is 4 usec */ |
| bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4; |
| } |
| |
| static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func) |
| { |
| struct rate_shaping_vars_per_vn m_rs_vn; |
| struct fairness_vars_per_vn m_fair_vn; |
| u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); |
| u16 vn_min_rate, vn_max_rate; |
| int i; |
| |
| /* If function is hidden - set min and max to zeroes */ |
| if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) { |
| vn_min_rate = 0; |
| vn_max_rate = 0; |
| |
| } else { |
| vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> |
| FUNC_MF_CFG_MIN_BW_SHIFT) * 100; |
| /* If fairness is enabled (not all min rates are zeroes) and |
| if current min rate is zero - set it to 1. |
| This is a requirement of the algorithm. */ |
| if (bp->vn_weight_sum && (vn_min_rate == 0)) |
| vn_min_rate = DEF_MIN_RATE; |
| vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> |
| FUNC_MF_CFG_MAX_BW_SHIFT) * 100; |
| } |
| |
| DP(NETIF_MSG_IFUP, |
| "func %d: vn_min_rate=%d vn_max_rate=%d vn_weight_sum=%d\n", |
| func, vn_min_rate, vn_max_rate, bp->vn_weight_sum); |
| |
| memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn)); |
| memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn)); |
| |
| /* global vn counter - maximal Mbps for this vn */ |
| m_rs_vn.vn_counter.rate = vn_max_rate; |
| |
| /* quota - number of bytes transmitted in this period */ |
| m_rs_vn.vn_counter.quota = |
| (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8; |
| |
| if (bp->vn_weight_sum) { |
| /* credit for each period of the fairness algorithm: |
| number of bytes in T_FAIR (the vn share the port rate). |
| vn_weight_sum should not be larger than 10000, thus |
| T_FAIR_COEF / (8 * vn_weight_sum) will always be greater |
| than zero */ |
| m_fair_vn.vn_credit_delta = |
| max((u32)(vn_min_rate * (T_FAIR_COEF / |
| (8 * bp->vn_weight_sum))), |
| (u32)(bp->cmng.fair_vars.fair_threshold * 2)); |
| DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n", |
| m_fair_vn.vn_credit_delta); |
| } |
| |
| /* Store it to internal memory */ |
| for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++) |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4, |
| ((u32 *)(&m_rs_vn))[i]); |
| |
| for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++) |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4, |
| ((u32 *)(&m_fair_vn))[i]); |
| } |
| |
| |
| /* This function is called upon link interrupt */ |
| static void bnx2x_link_attn(struct bnx2x *bp) |
| { |
| /* Make sure that we are synced with the current statistics */ |
| bnx2x_stats_handle(bp, STATS_EVENT_STOP); |
| |
| bnx2x_link_update(&bp->link_params, &bp->link_vars); |
| |
| if (bp->link_vars.link_up) { |
| |
| /* dropless flow control */ |
| if (CHIP_IS_E1H(bp)) { |
| int port = BP_PORT(bp); |
| u32 pause_enabled = 0; |
| |
| if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) |
| pause_enabled = 1; |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_PAUSE_ENABLED_OFFSET(port), |
| pause_enabled); |
| } |
| |
| if (bp->link_vars.mac_type == MAC_TYPE_BMAC) { |
| struct host_port_stats *pstats; |
| |
| pstats = bnx2x_sp(bp, port_stats); |
| /* reset old bmac stats */ |
| memset(&(pstats->mac_stx[0]), 0, |
| sizeof(struct mac_stx)); |
| } |
| if ((bp->state == BNX2X_STATE_OPEN) || |
| (bp->state == BNX2X_STATE_DISABLED)) |
| bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); |
| } |
| |
| /* indicate link status */ |
| bnx2x_link_report(bp); |
| |
| if (IS_E1HMF(bp)) { |
| int port = BP_PORT(bp); |
| int func; |
| int vn; |
| |
| for (vn = VN_0; vn < E1HVN_MAX; vn++) { |
| if (vn == BP_E1HVN(bp)) |
| continue; |
| |
| func = ((vn << 1) | port); |
| |
| /* Set the attention towards other drivers |
| on the same port */ |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + |
| (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); |
| } |
| |
| if (bp->link_vars.link_up) { |
| int i; |
| |
| /* Init rate shaping and fairness contexts */ |
| bnx2x_init_port_minmax(bp); |
| |
| for (vn = VN_0; vn < E1HVN_MAX; vn++) |
| bnx2x_init_vn_minmax(bp, 2*vn + port); |
| |
| /* Store it to internal memory */ |
| for (i = 0; |
| i < sizeof(struct cmng_struct_per_port) / 4; i++) |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i*4, |
| ((u32 *)(&bp->cmng))[i]); |
| } |
| } |
| } |
| |
| static void bnx2x__link_status_update(struct bnx2x *bp) |
| { |
| if (bp->state != BNX2X_STATE_OPEN) |
| return; |
| |
| bnx2x_link_status_update(&bp->link_params, &bp->link_vars); |
| |
| if (bp->link_vars.link_up) |
| bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); |
| else |
| bnx2x_stats_handle(bp, STATS_EVENT_STOP); |
| |
| /* indicate link status */ |
| bnx2x_link_report(bp); |
| } |
| |
| static void bnx2x_pmf_update(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| u32 val; |
| |
| bp->port.pmf = 1; |
| DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); |
| |
| /* enable nig attention */ |
| val = (0xff0f | (1 << (BP_E1HVN(bp) + 4))); |
| REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); |
| REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); |
| |
| bnx2x_stats_handle(bp, STATS_EVENT_PMF); |
| } |
| |
| /* end of Link */ |
| |
| /* slow path */ |
| |
| /* |
| * General service functions |
| */ |
| |
| /* the slow path queue is odd since completions arrive on the fastpath ring */ |
| static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, |
| u32 data_hi, u32 data_lo, int common) |
| { |
| int func = BP_FUNC(bp); |
| |
| DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/, |
| "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n", |
| (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) + |
| (void *)bp->spq_prod_bd - (void *)bp->spq), command, |
| HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return -EIO; |
| #endif |
| |
| spin_lock_bh(&bp->spq_lock); |
| |
| if (!bp->spq_left) { |
| BNX2X_ERR("BUG! SPQ ring full!\n"); |
| spin_unlock_bh(&bp->spq_lock); |
| bnx2x_panic(); |
| return -EBUSY; |
| } |
| |
| /* CID needs port number to be encoded int it */ |
| bp->spq_prod_bd->hdr.conn_and_cmd_data = |
| cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | |
| HW_CID(bp, cid))); |
| bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); |
| if (common) |
| bp->spq_prod_bd->hdr.type |= |
| cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); |
| |
| bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi); |
| bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo); |
| |
| bp->spq_left--; |
| |
| if (bp->spq_prod_bd == bp->spq_last_bd) { |
| bp->spq_prod_bd = bp->spq; |
| bp->spq_prod_idx = 0; |
| DP(NETIF_MSG_TIMER, "end of spq\n"); |
| |
| } else { |
| bp->spq_prod_bd++; |
| bp->spq_prod_idx++; |
| } |
| |
| REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func), |
| bp->spq_prod_idx); |
| |
| spin_unlock_bh(&bp->spq_lock); |
| return 0; |
| } |
| |
| /* acquire split MCP access lock register */ |
| static int bnx2x_acquire_alr(struct bnx2x *bp) |
| { |
| u32 i, j, val; |
| int rc = 0; |
| |
| might_sleep(); |
| i = 100; |
| for (j = 0; j < i*10; j++) { |
| val = (1UL << 31); |
| REG_WR(bp, GRCBASE_MCP + 0x9c, val); |
| val = REG_RD(bp, GRCBASE_MCP + 0x9c); |
| if (val & (1L << 31)) |
| break; |
| |
| msleep(5); |
| } |
| if (!(val & (1L << 31))) { |
| BNX2X_ERR("Cannot acquire MCP access lock register\n"); |
| rc = -EBUSY; |
| } |
| |
| return rc; |
| } |
| |
| /* release split MCP access lock register */ |
| static void bnx2x_release_alr(struct bnx2x *bp) |
| { |
| u32 val = 0; |
| |
| REG_WR(bp, GRCBASE_MCP + 0x9c, val); |
| } |
| |
| static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) |
| { |
| struct host_def_status_block *def_sb = bp->def_status_blk; |
| u16 rc = 0; |
| |
| barrier(); /* status block is written to by the chip */ |
| if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { |
| bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; |
| rc |= 1; |
| } |
| if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { |
| bp->def_c_idx = def_sb->c_def_status_block.status_block_index; |
| rc |= 2; |
| } |
| if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { |
| bp->def_u_idx = def_sb->u_def_status_block.status_block_index; |
| rc |= 4; |
| } |
| if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { |
| bp->def_x_idx = def_sb->x_def_status_block.status_block_index; |
| rc |= 8; |
| } |
| if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { |
| bp->def_t_idx = def_sb->t_def_status_block.status_block_index; |
| rc |= 16; |
| } |
| return rc; |
| } |
| |
| /* |
| * slow path service functions |
| */ |
| |
| static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) |
| { |
| int port = BP_PORT(bp); |
| u32 hc_addr = (HC_REG_COMMAND_REG + port*32 + |
| COMMAND_REG_ATTN_BITS_SET); |
| u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : |
| MISC_REG_AEU_MASK_ATTN_FUNC_0; |
| u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : |
| NIG_REG_MASK_INTERRUPT_PORT0; |
| u32 aeu_mask; |
| u32 nig_mask = 0; |
| |
| if (bp->attn_state & asserted) |
| BNX2X_ERR("IGU ERROR\n"); |
| |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); |
| aeu_mask = REG_RD(bp, aeu_addr); |
| |
| DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n", |
| aeu_mask, asserted); |
| aeu_mask &= ~(asserted & 0xff); |
| DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask); |
| |
| REG_WR(bp, aeu_addr, aeu_mask); |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); |
| |
| DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); |
| bp->attn_state |= asserted; |
| DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); |
| |
| if (asserted & ATTN_HARD_WIRED_MASK) { |
| if (asserted & ATTN_NIG_FOR_FUNC) { |
| |
| bnx2x_acquire_phy_lock(bp); |
| |
| /* save nig interrupt mask */ |
| nig_mask = REG_RD(bp, nig_int_mask_addr); |
| REG_WR(bp, nig_int_mask_addr, 0); |
| |
| bnx2x_link_attn(bp); |
| |
| /* handle unicore attn? */ |
| } |
| if (asserted & ATTN_SW_TIMER_4_FUNC) |
| DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); |
| |
| if (asserted & GPIO_2_FUNC) |
| DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); |
| |
| if (asserted & GPIO_3_FUNC) |
| DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); |
| |
| if (asserted & GPIO_4_FUNC) |
| DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); |
| |
| if (port == 0) { |
| if (asserted & ATTN_GENERAL_ATTN_1) { |
| DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); |
| } |
| if (asserted & ATTN_GENERAL_ATTN_2) { |
| DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); |
| } |
| if (asserted & ATTN_GENERAL_ATTN_3) { |
| DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); |
| } |
| } else { |
| if (asserted & ATTN_GENERAL_ATTN_4) { |
| DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); |
| } |
| if (asserted & ATTN_GENERAL_ATTN_5) { |
| DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); |
| } |
| if (asserted & ATTN_GENERAL_ATTN_6) { |
| DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); |
| } |
| } |
| |
| } /* if hardwired */ |
| |
| DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n", |
| asserted, hc_addr); |
| REG_WR(bp, hc_addr, asserted); |
| |
| /* now set back the mask */ |
| if (asserted & ATTN_NIG_FOR_FUNC) { |
| REG_WR(bp, nig_int_mask_addr, nig_mask); |
| bnx2x_release_phy_lock(bp); |
| } |
| } |
| |
| static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) |
| { |
| int port = BP_PORT(bp); |
| int reg_offset; |
| u32 val; |
| |
| reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : |
| MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); |
| |
| if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { |
| |
| val = REG_RD(bp, reg_offset); |
| val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; |
| REG_WR(bp, reg_offset, val); |
| |
| BNX2X_ERR("SPIO5 hw attention\n"); |
| |
| switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: |
| /* Fan failure attention */ |
| |
| /* The PHY reset is controlled by GPIO 1 */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, port); |
| /* Low power mode is controlled by GPIO 2 */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, port); |
| /* mark the failure */ |
| bp->link_params.ext_phy_config &= |
| ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; |
| bp->link_params.ext_phy_config |= |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; |
| SHMEM_WR(bp, |
| dev_info.port_hw_config[port]. |
| external_phy_config, |
| bp->link_params.ext_phy_config); |
| /* log the failure */ |
| printk(KERN_ERR PFX "Fan Failure on Network" |
| " Controller %s has caused the driver to" |
| " shutdown the card to prevent permanent" |
| " damage. Please contact Dell Support for" |
| " assistance\n", bp->dev->name); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 | |
| AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) { |
| bnx2x_acquire_phy_lock(bp); |
| bnx2x_handle_module_detect_int(&bp->link_params); |
| bnx2x_release_phy_lock(bp); |
| } |
| |
| if (attn & HW_INTERRUT_ASSERT_SET_0) { |
| |
| val = REG_RD(bp, reg_offset); |
| val &= ~(attn & HW_INTERRUT_ASSERT_SET_0); |
| REG_WR(bp, reg_offset, val); |
| |
| BNX2X_ERR("FATAL HW block attention set0 0x%x\n", |
| (attn & HW_INTERRUT_ASSERT_SET_0)); |
| bnx2x_panic(); |
| } |
| } |
| |
| static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) |
| { |
| u32 val; |
| |
| if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) { |
| |
| val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); |
| BNX2X_ERR("DB hw attention 0x%x\n", val); |
| /* DORQ discard attention */ |
| if (val & 0x2) |
| BNX2X_ERR("FATAL error from DORQ\n"); |
| } |
| |
| if (attn & HW_INTERRUT_ASSERT_SET_1) { |
| |
| int port = BP_PORT(bp); |
| int reg_offset; |
| |
| reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 : |
| MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1); |
| |
| val = REG_RD(bp, reg_offset); |
| val &= ~(attn & HW_INTERRUT_ASSERT_SET_1); |
| REG_WR(bp, reg_offset, val); |
| |
| BNX2X_ERR("FATAL HW block attention set1 0x%x\n", |
| (attn & HW_INTERRUT_ASSERT_SET_1)); |
| bnx2x_panic(); |
| } |
| } |
| |
| static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) |
| { |
| u32 val; |
| |
| if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { |
| |
| val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); |
| BNX2X_ERR("CFC hw attention 0x%x\n", val); |
| /* CFC error attention */ |
| if (val & 0x2) |
| BNX2X_ERR("FATAL error from CFC\n"); |
| } |
| |
| if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { |
| |
| val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); |
| BNX2X_ERR("PXP hw attention 0x%x\n", val); |
| /* RQ_USDMDP_FIFO_OVERFLOW */ |
| if (val & 0x18000) |
| BNX2X_ERR("FATAL error from PXP\n"); |
| } |
| |
| if (attn & HW_INTERRUT_ASSERT_SET_2) { |
| |
| int port = BP_PORT(bp); |
| int reg_offset; |
| |
| reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 : |
| MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2); |
| |
| val = REG_RD(bp, reg_offset); |
| val &= ~(attn & HW_INTERRUT_ASSERT_SET_2); |
| REG_WR(bp, reg_offset, val); |
| |
| BNX2X_ERR("FATAL HW block attention set2 0x%x\n", |
| (attn & HW_INTERRUT_ASSERT_SET_2)); |
| bnx2x_panic(); |
| } |
| } |
| |
| static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) |
| { |
| u32 val; |
| |
| if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { |
| |
| if (attn & BNX2X_PMF_LINK_ASSERT) { |
| int func = BP_FUNC(bp); |
| |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0); |
| bnx2x__link_status_update(bp); |
| if (SHMEM_RD(bp, func_mb[func].drv_status) & |
| DRV_STATUS_PMF) |
| bnx2x_pmf_update(bp); |
| |
| } else if (attn & BNX2X_MC_ASSERT_BITS) { |
| |
| BNX2X_ERR("MC assert!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); |
| bnx2x_panic(); |
| |
| } else if (attn & BNX2X_MCP_ASSERT) { |
| |
| BNX2X_ERR("MCP assert!\n"); |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); |
| bnx2x_fw_dump(bp); |
| |
| } else |
| BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); |
| } |
| |
| if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { |
| BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn); |
| if (attn & BNX2X_GRC_TIMEOUT) { |
| val = CHIP_IS_E1H(bp) ? |
| REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0; |
| BNX2X_ERR("GRC time-out 0x%08x\n", val); |
| } |
| if (attn & BNX2X_GRC_RSV) { |
| val = CHIP_IS_E1H(bp) ? |
| REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0; |
| BNX2X_ERR("GRC reserved 0x%08x\n", val); |
| } |
| REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); |
| } |
| } |
| |
| static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) |
| { |
| struct attn_route attn; |
| struct attn_route group_mask; |
| int port = BP_PORT(bp); |
| int index; |
| u32 reg_addr; |
| u32 val; |
| u32 aeu_mask; |
| |
| /* need to take HW lock because MCP or other port might also |
| try to handle this event */ |
| bnx2x_acquire_alr(bp); |
| |
| attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); |
| attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); |
| attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); |
| attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); |
| DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n", |
| attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]); |
| |
| for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { |
| if (deasserted & (1 << index)) { |
| group_mask = bp->attn_group[index]; |
| |
| DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n", |
| index, group_mask.sig[0], group_mask.sig[1], |
| group_mask.sig[2], group_mask.sig[3]); |
| |
| bnx2x_attn_int_deasserted3(bp, |
| attn.sig[3] & group_mask.sig[3]); |
| bnx2x_attn_int_deasserted1(bp, |
| attn.sig[1] & group_mask.sig[1]); |
| bnx2x_attn_int_deasserted2(bp, |
| attn.sig[2] & group_mask.sig[2]); |
| bnx2x_attn_int_deasserted0(bp, |
| attn.sig[0] & group_mask.sig[0]); |
| |
| if ((attn.sig[0] & group_mask.sig[0] & |
| HW_PRTY_ASSERT_SET_0) || |
| (attn.sig[1] & group_mask.sig[1] & |
| HW_PRTY_ASSERT_SET_1) || |
| (attn.sig[2] & group_mask.sig[2] & |
| HW_PRTY_ASSERT_SET_2)) |
| BNX2X_ERR("FATAL HW block parity attention\n"); |
| } |
| } |
| |
| bnx2x_release_alr(bp); |
| |
| reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR); |
| |
| val = ~deasserted; |
| DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n", |
| val, reg_addr); |
| REG_WR(bp, reg_addr, val); |
| |
| if (~bp->attn_state & deasserted) |
| BNX2X_ERR("IGU ERROR\n"); |
| |
| reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : |
| MISC_REG_AEU_MASK_ATTN_FUNC_0; |
| |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); |
| aeu_mask = REG_RD(bp, reg_addr); |
| |
| DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n", |
| aeu_mask, deasserted); |
| aeu_mask |= (deasserted & 0xff); |
| DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask); |
| |
| REG_WR(bp, reg_addr, aeu_mask); |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); |
| |
| DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); |
| bp->attn_state &= ~deasserted; |
| DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); |
| } |
| |
| static void bnx2x_attn_int(struct bnx2x *bp) |
| { |
| /* read local copy of bits */ |
| u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block. |
| attn_bits); |
| u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block. |
| attn_bits_ack); |
| u32 attn_state = bp->attn_state; |
| |
| /* look for changed bits */ |
| u32 asserted = attn_bits & ~attn_ack & ~attn_state; |
| u32 deasserted = ~attn_bits & attn_ack & attn_state; |
| |
| DP(NETIF_MSG_HW, |
| "attn_bits %x attn_ack %x asserted %x deasserted %x\n", |
| attn_bits, attn_ack, asserted, deasserted); |
| |
| if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) |
| BNX2X_ERR("BAD attention state\n"); |
| |
| /* handle bits that were raised */ |
| if (asserted) |
| bnx2x_attn_int_asserted(bp, asserted); |
| |
| if (deasserted) |
| bnx2x_attn_int_deasserted(bp, deasserted); |
| } |
| |
| static void bnx2x_sp_task(struct work_struct *work) |
| { |
| struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work); |
| u16 status; |
| |
| |
| /* Return here if interrupt is disabled */ |
| if (unlikely(atomic_read(&bp->intr_sem) != 0)) { |
| DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); |
| return; |
| } |
| |
| status = bnx2x_update_dsb_idx(bp); |
| /* if (status == 0) */ |
| /* BNX2X_ERR("spurious slowpath interrupt!\n"); */ |
| |
| DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); |
| |
| /* HW attentions */ |
| if (status & 0x1) |
| bnx2x_attn_int(bp); |
| |
| bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, le16_to_cpu(bp->def_att_idx), |
| IGU_INT_NOP, 1); |
| bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), |
| IGU_INT_NOP, 1); |
| bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), |
| IGU_INT_NOP, 1); |
| bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), |
| IGU_INT_NOP, 1); |
| bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), |
| IGU_INT_ENABLE, 1); |
| |
| } |
| |
| static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) |
| { |
| struct net_device *dev = dev_instance; |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| /* Return here if interrupt is disabled */ |
| if (unlikely(atomic_read(&bp->intr_sem) != 0)) { |
| DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); |
| return IRQ_HANDLED; |
| } |
| |
| bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, 0, IGU_INT_DISABLE, 0); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return IRQ_HANDLED; |
| #endif |
| |
| queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* end of slow path */ |
| |
| /* Statistics */ |
| |
| /**************************************************************************** |
| * Macros |
| ****************************************************************************/ |
| |
| /* sum[hi:lo] += add[hi:lo] */ |
| #define ADD_64(s_hi, a_hi, s_lo, a_lo) \ |
| do { \ |
| s_lo += a_lo; \ |
| s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \ |
| } while (0) |
| |
| /* difference = minuend - subtrahend */ |
| #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \ |
| do { \ |
| if (m_lo < s_lo) { \ |
| /* underflow */ \ |
| d_hi = m_hi - s_hi; \ |
| if (d_hi > 0) { \ |
| /* we can 'loan' 1 */ \ |
| d_hi--; \ |
| d_lo = m_lo + (UINT_MAX - s_lo) + 1; \ |
| } else { \ |
| /* m_hi <= s_hi */ \ |
| d_hi = 0; \ |
| d_lo = 0; \ |
| } \ |
| } else { \ |
| /* m_lo >= s_lo */ \ |
| if (m_hi < s_hi) { \ |
| d_hi = 0; \ |
| d_lo = 0; \ |
| } else { \ |
| /* m_hi >= s_hi */ \ |
| d_hi = m_hi - s_hi; \ |
| d_lo = m_lo - s_lo; \ |
| } \ |
| } \ |
| } while (0) |
| |
| #define UPDATE_STAT64(s, t) \ |
| do { \ |
| DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \ |
| diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \ |
| pstats->mac_stx[0].t##_hi = new->s##_hi; \ |
| pstats->mac_stx[0].t##_lo = new->s##_lo; \ |
| ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \ |
| pstats->mac_stx[1].t##_lo, diff.lo); \ |
| } while (0) |
| |
| #define UPDATE_STAT64_NIG(s, t) \ |
| do { \ |
| DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \ |
| diff.lo, new->s##_lo, old->s##_lo); \ |
| ADD_64(estats->t##_hi, diff.hi, \ |
| estats->t##_lo, diff.lo); \ |
| } while (0) |
| |
| /* sum[hi:lo] += add */ |
| #define ADD_EXTEND_64(s_hi, s_lo, a) \ |
| do { \ |
| s_lo += a; \ |
| s_hi += (s_lo < a) ? 1 : 0; \ |
| } while (0) |
| |
| #define UPDATE_EXTEND_STAT(s) \ |
| do { \ |
| ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \ |
| pstats->mac_stx[1].s##_lo, \ |
| new->s); \ |
| } while (0) |
| |
| #define UPDATE_EXTEND_TSTAT(s, t) \ |
| do { \ |
| diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \ |
| old_tclient->s = tclient->s; \ |
| ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ |
| } while (0) |
| |
| #define UPDATE_EXTEND_USTAT(s, t) \ |
| do { \ |
| diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \ |
| old_uclient->s = uclient->s; \ |
| ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ |
| } while (0) |
| |
| #define UPDATE_EXTEND_XSTAT(s, t) \ |
| do { \ |
| diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \ |
| old_xclient->s = xclient->s; \ |
| ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ |
| } while (0) |
| |
| /* minuend -= subtrahend */ |
| #define SUB_64(m_hi, s_hi, m_lo, s_lo) \ |
| do { \ |
| DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \ |
| } while (0) |
| |
| /* minuend[hi:lo] -= subtrahend */ |
| #define SUB_EXTEND_64(m_hi, m_lo, s) \ |
| do { \ |
| SUB_64(m_hi, 0, m_lo, s); \ |
| } while (0) |
| |
| #define SUB_EXTEND_USTAT(s, t) \ |
| do { \ |
| diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \ |
| SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ |
| } while (0) |
| |
| /* |
| * General service functions |
| */ |
| |
| static inline long bnx2x_hilo(u32 *hiref) |
| { |
| u32 lo = *(hiref + 1); |
| #if (BITS_PER_LONG == 64) |
| u32 hi = *hiref; |
| |
| return HILO_U64(hi, lo); |
| #else |
| return lo; |
| #endif |
| } |
| |
| /* |
| * Init service functions |
| */ |
| |
| static void bnx2x_storm_stats_post(struct bnx2x *bp) |
| { |
| if (!bp->stats_pending) { |
| struct eth_query_ramrod_data ramrod_data = {0}; |
| int i, rc; |
| |
| ramrod_data.drv_counter = bp->stats_counter++; |
| ramrod_data.collect_port = bp->port.pmf ? 1 : 0; |
| for_each_queue(bp, i) |
| ramrod_data.ctr_id_vector |= (1 << bp->fp[i].cl_id); |
| |
| rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, |
| ((u32 *)&ramrod_data)[1], |
| ((u32 *)&ramrod_data)[0], 0); |
| if (rc == 0) { |
| /* stats ramrod has it's own slot on the spq */ |
| bp->spq_left++; |
| bp->stats_pending = 1; |
| } |
| } |
| } |
| |
| static void bnx2x_stats_init(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| int i; |
| |
| bp->stats_pending = 0; |
| bp->executer_idx = 0; |
| bp->stats_counter = 0; |
| |
| /* port stats */ |
| if (!BP_NOMCP(bp)) |
| bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx); |
| else |
| bp->port.port_stx = 0; |
| DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx); |
| |
| memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats)); |
| bp->port.old_nig_stats.brb_discard = |
| REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38); |
| bp->port.old_nig_stats.brb_truncate = |
| REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38); |
| REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50, |
| &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2); |
| REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50, |
| &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2); |
| |
| /* function stats */ |
| for_each_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| memset(&fp->old_tclient, 0, |
| sizeof(struct tstorm_per_client_stats)); |
| memset(&fp->old_uclient, 0, |
| sizeof(struct ustorm_per_client_stats)); |
| memset(&fp->old_xclient, 0, |
| sizeof(struct xstorm_per_client_stats)); |
| memset(&fp->eth_q_stats, 0, sizeof(struct bnx2x_eth_q_stats)); |
| } |
| |
| memset(&bp->dev->stats, 0, sizeof(struct net_device_stats)); |
| memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats)); |
| |
| bp->stats_state = STATS_STATE_DISABLED; |
| if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx) |
| bnx2x_stats_handle(bp, STATS_EVENT_PMF); |
| } |
| |
| static void bnx2x_hw_stats_post(struct bnx2x *bp) |
| { |
| struct dmae_command *dmae = &bp->stats_dmae; |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| |
| *stats_comp = DMAE_COMP_VAL; |
| if (CHIP_REV_IS_SLOW(bp)) |
| return; |
| |
| /* loader */ |
| if (bp->executer_idx) { |
| int loader_idx = PMF_DMAE_C(bp); |
| |
| memset(dmae, 0, sizeof(struct dmae_command)); |
| |
| dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | |
| DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (BP_PORT(bp) ? DMAE_CMD_PORT_1 : |
| DMAE_CMD_PORT_0) | |
| (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); |
| dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); |
| dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); |
| dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + |
| sizeof(struct dmae_command) * |
| (loader_idx + 1)) >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = sizeof(struct dmae_command) >> 2; |
| if (CHIP_IS_E1(bp)) |
| dmae->len--; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| *stats_comp = 0; |
| bnx2x_post_dmae(bp, dmae, loader_idx); |
| |
| } else if (bp->func_stx) { |
| *stats_comp = 0; |
| bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); |
| } |
| } |
| |
| static int bnx2x_stats_comp(struct bnx2x *bp) |
| { |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| int cnt = 10; |
| |
| might_sleep(); |
| while (*stats_comp != DMAE_COMP_VAL) { |
| if (!cnt) { |
| BNX2X_ERR("timeout waiting for stats finished\n"); |
| break; |
| } |
| cnt--; |
| msleep(1); |
| } |
| return 1; |
| } |
| |
| /* |
| * Statistics service functions |
| */ |
| |
| static void bnx2x_stats_pmf_update(struct bnx2x *bp) |
| { |
| struct dmae_command *dmae; |
| u32 opcode; |
| int loader_idx = PMF_DMAE_C(bp); |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| |
| /* sanity */ |
| if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) { |
| BNX2X_ERR("BUG!\n"); |
| return; |
| } |
| |
| bp->executer_idx = 0; |
| |
| opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | |
| DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); |
| dmae->src_addr_lo = bp->port.port_stx >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); |
| dmae->len = DMAE_LEN32_RD_MAX; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); |
| dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) + |
| DMAE_LEN32_RD_MAX * 4); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) + |
| DMAE_LEN32_RD_MAX * 4); |
| dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX; |
| dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| *stats_comp = 0; |
| bnx2x_hw_stats_post(bp); |
| bnx2x_stats_comp(bp); |
| } |
| |
| static void bnx2x_port_stats_init(struct bnx2x *bp) |
| { |
| struct dmae_command *dmae; |
| int port = BP_PORT(bp); |
| int vn = BP_E1HVN(bp); |
| u32 opcode; |
| int loader_idx = PMF_DMAE_C(bp); |
| u32 mac_addr; |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| |
| /* sanity */ |
| if (!bp->link_vars.link_up || !bp->port.pmf) { |
| BNX2X_ERR("BUG!\n"); |
| return; |
| } |
| |
| bp->executer_idx = 0; |
| |
| /* MCP */ |
| opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | |
| DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (vn << DMAE_CMD_E1HVN_SHIFT)); |
| |
| if (bp->port.port_stx) { |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); |
| dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); |
| dmae->dst_addr_lo = bp->port.port_stx >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = sizeof(struct host_port_stats) >> 2; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| } |
| |
| if (bp->func_stx) { |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); |
| dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); |
| dmae->dst_addr_lo = bp->func_stx >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = sizeof(struct host_func_stats) >> 2; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| } |
| |
| /* MAC */ |
| opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | |
| DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (vn << DMAE_CMD_E1HVN_SHIFT)); |
| |
| if (bp->link_vars.mac_type == MAC_TYPE_BMAC) { |
| |
| mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : |
| NIG_REG_INGRESS_BMAC0_MEM); |
| |
| /* BIGMAC_REGISTER_TX_STAT_GTPKT .. |
| BIGMAC_REGISTER_TX_STAT_GTBYT */ |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (mac_addr + |
| BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); |
| dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - |
| BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| /* BIGMAC_REGISTER_RX_STAT_GR64 .. |
| BIGMAC_REGISTER_RX_STAT_GRIPJ */ |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (mac_addr + |
| BIGMAC_REGISTER_RX_STAT_GR64) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + |
| offsetof(struct bmac_stats, rx_stat_gr64_lo)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + |
| offsetof(struct bmac_stats, rx_stat_gr64_lo)); |
| dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ - |
| BIGMAC_REGISTER_RX_STAT_GR64) >> 2; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) { |
| |
| mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); |
| |
| /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (mac_addr + |
| EMAC_REG_EMAC_RX_STAT_AC) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); |
| dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| /* EMAC_REG_EMAC_RX_STAT_AC_28 */ |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (mac_addr + |
| EMAC_REG_EMAC_RX_STAT_AC_28) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + |
| offsetof(struct emac_stats, rx_stat_falsecarriererrors)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + |
| offsetof(struct emac_stats, rx_stat_falsecarriererrors)); |
| dmae->len = 1; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (mac_addr + |
| EMAC_REG_EMAC_TX_STAT_AC) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + |
| offsetof(struct emac_stats, tx_stat_ifhcoutoctets)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + |
| offsetof(struct emac_stats, tx_stat_ifhcoutoctets)); |
| dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| } |
| |
| /* NIG */ |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD : |
| NIG_REG_STAT0_BRB_DISCARD) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats)); |
| dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = opcode; |
| dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 : |
| NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) + |
| offsetof(struct nig_stats, egress_mac_pkt0_lo)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) + |
| offsetof(struct nig_stats, egress_mac_pkt0_lo)); |
| dmae->len = (2*sizeof(u32)) >> 2; |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | |
| DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (vn << DMAE_CMD_E1HVN_SHIFT)); |
| dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 : |
| NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2; |
| dmae->src_addr_hi = 0; |
| dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) + |
| offsetof(struct nig_stats, egress_mac_pkt1_lo)); |
| dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) + |
| offsetof(struct nig_stats, egress_mac_pkt1_lo)); |
| dmae->len = (2*sizeof(u32)) >> 2; |
| dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| *stats_comp = 0; |
| } |
| |
| static void bnx2x_func_stats_init(struct bnx2x *bp) |
| { |
| struct dmae_command *dmae = &bp->stats_dmae; |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| |
| /* sanity */ |
| if (!bp->func_stx) { |
| BNX2X_ERR("BUG!\n"); |
| return; |
| } |
| |
| bp->executer_idx = 0; |
| memset(dmae, 0, sizeof(struct dmae_command)); |
| |
| dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | |
| DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); |
| dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); |
| dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); |
| dmae->dst_addr_lo = bp->func_stx >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = sizeof(struct host_func_stats) >> 2; |
| dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| *stats_comp = 0; |
| } |
| |
| static void bnx2x_stats_start(struct bnx2x *bp) |
| { |
| if (bp->port.pmf) |
| bnx2x_port_stats_init(bp); |
| |
| else if (bp->func_stx) |
| bnx2x_func_stats_init(bp); |
| |
| bnx2x_hw_stats_post(bp); |
| bnx2x_storm_stats_post(bp); |
| } |
| |
| static void bnx2x_stats_pmf_start(struct bnx2x *bp) |
| { |
| bnx2x_stats_comp(bp); |
| bnx2x_stats_pmf_update(bp); |
| bnx2x_stats_start(bp); |
| } |
| |
| static void bnx2x_stats_restart(struct bnx2x *bp) |
| { |
| bnx2x_stats_comp(bp); |
| bnx2x_stats_start(bp); |
| } |
| |
| static void bnx2x_bmac_stats_update(struct bnx2x *bp) |
| { |
| struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats); |
| struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| struct { |
| u32 lo; |
| u32 hi; |
| } diff; |
| |
| UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets); |
| UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors); |
| UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts); |
| UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong); |
| UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments); |
| UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers); |
| UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived); |
| UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered); |
| UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf); |
| UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent); |
| UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone); |
| UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets); |
| UPDATE_STAT64(tx_stat_gt127, |
| tx_stat_etherstatspkts65octetsto127octets); |
| UPDATE_STAT64(tx_stat_gt255, |
| tx_stat_etherstatspkts128octetsto255octets); |
| UPDATE_STAT64(tx_stat_gt511, |
| tx_stat_etherstatspkts256octetsto511octets); |
| UPDATE_STAT64(tx_stat_gt1023, |
| tx_stat_etherstatspkts512octetsto1023octets); |
| UPDATE_STAT64(tx_stat_gt1518, |
| tx_stat_etherstatspkts1024octetsto1522octets); |
| UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047); |
| UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095); |
| UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216); |
| UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383); |
| UPDATE_STAT64(tx_stat_gterr, |
| tx_stat_dot3statsinternalmactransmiterrors); |
| UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl); |
| |
| estats->pause_frames_received_hi = |
| pstats->mac_stx[1].rx_stat_bmac_xpf_hi; |
| estats->pause_frames_received_lo = |
| pstats->mac_stx[1].rx_stat_bmac_xpf_lo; |
| |
| estats->pause_frames_sent_hi = |
| pstats->mac_stx[1].tx_stat_outxoffsent_hi; |
| estats->pause_frames_sent_lo = |
| pstats->mac_stx[1].tx_stat_outxoffsent_lo; |
| } |
| |
| static void bnx2x_emac_stats_update(struct bnx2x *bp) |
| { |
| struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats); |
| struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| |
| UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets); |
| UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets); |
| UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors); |
| UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors); |
| UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors); |
| UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors); |
| UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts); |
| UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong); |
| UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments); |
| UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers); |
| UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived); |
| UPDATE_EXTEND_STAT(rx_stat_xoffstateentered); |
| UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived); |
| UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived); |
| UPDATE_EXTEND_STAT(tx_stat_outxonsent); |
| UPDATE_EXTEND_STAT(tx_stat_outxoffsent); |
| UPDATE_EXTEND_STAT(tx_stat_flowcontroldone); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions); |
| UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes); |
| UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes); |
| UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions); |
| UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions); |
| UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets); |
| UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets); |
| UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors); |
| |
| estats->pause_frames_received_hi = |
| pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi; |
| estats->pause_frames_received_lo = |
| pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo; |
| ADD_64(estats->pause_frames_received_hi, |
| pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi, |
| estats->pause_frames_received_lo, |
| pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo); |
| |
| estats->pause_frames_sent_hi = |
| pstats->mac_stx[1].tx_stat_outxonsent_hi; |
| estats->pause_frames_sent_lo = |
| pstats->mac_stx[1].tx_stat_outxonsent_lo; |
| ADD_64(estats->pause_frames_sent_hi, |
| pstats->mac_stx[1].tx_stat_outxoffsent_hi, |
| estats->pause_frames_sent_lo, |
| pstats->mac_stx[1].tx_stat_outxoffsent_lo); |
| } |
| |
| static int bnx2x_hw_stats_update(struct bnx2x *bp) |
| { |
| struct nig_stats *new = bnx2x_sp(bp, nig_stats); |
| struct nig_stats *old = &(bp->port.old_nig_stats); |
| struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| struct { |
| u32 lo; |
| u32 hi; |
| } diff; |
| u32 nig_timer_max; |
| |
| if (bp->link_vars.mac_type == MAC_TYPE_BMAC) |
| bnx2x_bmac_stats_update(bp); |
| |
| else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) |
| bnx2x_emac_stats_update(bp); |
| |
| else { /* unreached */ |
| BNX2X_ERR("stats updated by dmae but no MAC active\n"); |
| return -1; |
| } |
| |
| ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo, |
| new->brb_discard - old->brb_discard); |
| ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo, |
| new->brb_truncate - old->brb_truncate); |
| |
| UPDATE_STAT64_NIG(egress_mac_pkt0, |
| etherstatspkts1024octetsto1522octets); |
| UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets); |
| |
| memcpy(old, new, sizeof(struct nig_stats)); |
| |
| memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]), |
| sizeof(struct mac_stx)); |
| estats->brb_drop_hi = pstats->brb_drop_hi; |
| estats->brb_drop_lo = pstats->brb_drop_lo; |
| |
| pstats->host_port_stats_start = ++pstats->host_port_stats_end; |
| |
| nig_timer_max = SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer); |
| if (nig_timer_max != estats->nig_timer_max) { |
| estats->nig_timer_max = nig_timer_max; |
| BNX2X_ERR("NIG timer max (%u)\n", estats->nig_timer_max); |
| } |
| |
| return 0; |
| } |
| |
| static int bnx2x_storm_stats_update(struct bnx2x *bp) |
| { |
| struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats); |
| struct tstorm_per_port_stats *tport = |
| &stats->tstorm_common.port_statistics; |
| struct host_func_stats *fstats = bnx2x_sp(bp, func_stats); |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| int i; |
| |
| memset(&(fstats->total_bytes_received_hi), 0, |
| sizeof(struct host_func_stats) - 2*sizeof(u32)); |
| estats->error_bytes_received_hi = 0; |
| estats->error_bytes_received_lo = 0; |
| estats->etherstatsoverrsizepkts_hi = 0; |
| estats->etherstatsoverrsizepkts_lo = 0; |
| estats->no_buff_discard_hi = 0; |
| estats->no_buff_discard_lo = 0; |
| |
| for_each_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| int cl_id = fp->cl_id; |
| struct tstorm_per_client_stats *tclient = |
| &stats->tstorm_common.client_statistics[cl_id]; |
| struct tstorm_per_client_stats *old_tclient = &fp->old_tclient; |
| struct ustorm_per_client_stats *uclient = |
| &stats->ustorm_common.client_statistics[cl_id]; |
| struct ustorm_per_client_stats *old_uclient = &fp->old_uclient; |
| struct xstorm_per_client_stats *xclient = |
| &stats->xstorm_common.client_statistics[cl_id]; |
| struct xstorm_per_client_stats *old_xclient = &fp->old_xclient; |
| struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats; |
| u32 diff; |
| |
| /* are storm stats valid? */ |
| if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) != |
| bp->stats_counter) { |
| DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm" |
| " xstorm counter (%d) != stats_counter (%d)\n", |
| i, xclient->stats_counter, bp->stats_counter); |
| return -1; |
| } |
| if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) != |
| bp->stats_counter) { |
| DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm" |
| " tstorm counter (%d) != stats_counter (%d)\n", |
| i, tclient->stats_counter, bp->stats_counter); |
| return -2; |
| } |
| if ((u16)(le16_to_cpu(uclient->stats_counter) + 1) != |
| bp->stats_counter) { |
| DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm" |
| " ustorm counter (%d) != stats_counter (%d)\n", |
| i, uclient->stats_counter, bp->stats_counter); |
| return -4; |
| } |
| |
| qstats->total_bytes_received_hi = |
| qstats->valid_bytes_received_hi = |
| le32_to_cpu(tclient->total_rcv_bytes.hi); |
| qstats->total_bytes_received_lo = |
| qstats->valid_bytes_received_lo = |
| le32_to_cpu(tclient->total_rcv_bytes.lo); |
| |
| qstats->error_bytes_received_hi = |
| le32_to_cpu(tclient->rcv_error_bytes.hi); |
| qstats->error_bytes_received_lo = |
| le32_to_cpu(tclient->rcv_error_bytes.lo); |
| |
| ADD_64(qstats->total_bytes_received_hi, |
| qstats->error_bytes_received_hi, |
| qstats->total_bytes_received_lo, |
| qstats->error_bytes_received_lo); |
| |
| UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, |
| total_unicast_packets_received); |
| UPDATE_EXTEND_TSTAT(rcv_multicast_pkts, |
| total_multicast_packets_received); |
| UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts, |
| total_broadcast_packets_received); |
| UPDATE_EXTEND_TSTAT(packets_too_big_discard, |
| etherstatsoverrsizepkts); |
| UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard); |
| |
| SUB_EXTEND_USTAT(ucast_no_buff_pkts, |
| total_unicast_packets_received); |
| SUB_EXTEND_USTAT(mcast_no_buff_pkts, |
| total_multicast_packets_received); |
| SUB_EXTEND_USTAT(bcast_no_buff_pkts, |
| total_broadcast_packets_received); |
| UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard); |
| UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard); |
| UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard); |
| |
| qstats->total_bytes_transmitted_hi = |
| le32_to_cpu(xclient->total_sent_bytes.hi); |
| qstats->total_bytes_transmitted_lo = |
| le32_to_cpu(xclient->total_sent_bytes.lo); |
| |
| UPDATE_EXTEND_XSTAT(unicast_pkts_sent, |
| total_unicast_packets_transmitted); |
| UPDATE_EXTEND_XSTAT(multicast_pkts_sent, |
| total_multicast_packets_transmitted); |
| UPDATE_EXTEND_XSTAT(broadcast_pkts_sent, |
| total_broadcast_packets_transmitted); |
| |
| old_tclient->checksum_discard = tclient->checksum_discard; |
| old_tclient->ttl0_discard = tclient->ttl0_discard; |
| |
| ADD_64(fstats->total_bytes_received_hi, |
| qstats->total_bytes_received_hi, |
| fstats->total_bytes_received_lo, |
| qstats->total_bytes_received_lo); |
| ADD_64(fstats->total_bytes_transmitted_hi, |
| qstats->total_bytes_transmitted_hi, |
| fstats->total_bytes_transmitted_lo, |
| qstats->total_bytes_transmitted_lo); |
| ADD_64(fstats->total_unicast_packets_received_hi, |
| qstats->total_unicast_packets_received_hi, |
| fstats->total_unicast_packets_received_lo, |
| qstats->total_unicast_packets_received_lo); |
| ADD_64(fstats->total_multicast_packets_received_hi, |
| qstats->total_multicast_packets_received_hi, |
| fstats->total_multicast_packets_received_lo, |
| qstats->total_multicast_packets_received_lo); |
| ADD_64(fstats->total_broadcast_packets_received_hi, |
| qstats->total_broadcast_packets_received_hi, |
| fstats->total_broadcast_packets_received_lo, |
| qstats->total_broadcast_packets_received_lo); |
| ADD_64(fstats->total_unicast_packets_transmitted_hi, |
| qstats->total_unicast_packets_transmitted_hi, |
| fstats->total_unicast_packets_transmitted_lo, |
| qstats->total_unicast_packets_transmitted_lo); |
| ADD_64(fstats->total_multicast_packets_transmitted_hi, |
| qstats->total_multicast_packets_transmitted_hi, |
| fstats->total_multicast_packets_transmitted_lo, |
| qstats->total_multicast_packets_transmitted_lo); |
| ADD_64(fstats->total_broadcast_packets_transmitted_hi, |
| qstats->total_broadcast_packets_transmitted_hi, |
| fstats->total_broadcast_packets_transmitted_lo, |
| qstats->total_broadcast_packets_transmitted_lo); |
| ADD_64(fstats->valid_bytes_received_hi, |
| qstats->valid_bytes_received_hi, |
| fstats->valid_bytes_received_lo, |
| qstats->valid_bytes_received_lo); |
| |
| ADD_64(estats->error_bytes_received_hi, |
| qstats->error_bytes_received_hi, |
| estats->error_bytes_received_lo, |
| qstats->error_bytes_received_lo); |
| ADD_64(estats->etherstatsoverrsizepkts_hi, |
| qstats->etherstatsoverrsizepkts_hi, |
| estats->etherstatsoverrsizepkts_lo, |
| qstats->etherstatsoverrsizepkts_lo); |
| ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi, |
| estats->no_buff_discard_lo, qstats->no_buff_discard_lo); |
| } |
| |
| ADD_64(fstats->total_bytes_received_hi, |
| estats->rx_stat_ifhcinbadoctets_hi, |
| fstats->total_bytes_received_lo, |
| estats->rx_stat_ifhcinbadoctets_lo); |
| |
| memcpy(estats, &(fstats->total_bytes_received_hi), |
| sizeof(struct host_func_stats) - 2*sizeof(u32)); |
| |
| ADD_64(estats->etherstatsoverrsizepkts_hi, |
| estats->rx_stat_dot3statsframestoolong_hi, |
| estats->etherstatsoverrsizepkts_lo, |
| estats->rx_stat_dot3statsframestoolong_lo); |
| ADD_64(estats->error_bytes_received_hi, |
| estats->rx_stat_ifhcinbadoctets_hi, |
| estats->error_bytes_received_lo, |
| estats->rx_stat_ifhcinbadoctets_lo); |
| |
| if (bp->port.pmf) { |
| estats->mac_filter_discard = |
| le32_to_cpu(tport->mac_filter_discard); |
| estats->xxoverflow_discard = |
| le32_to_cpu(tport->xxoverflow_discard); |
| estats->brb_truncate_discard = |
| le32_to_cpu(tport->brb_truncate_discard); |
| estats->mac_discard = le32_to_cpu(tport->mac_discard); |
| } |
| |
| fstats->host_func_stats_start = ++fstats->host_func_stats_end; |
| |
| bp->stats_pending = 0; |
| |
| return 0; |
| } |
| |
| static void bnx2x_net_stats_update(struct bnx2x *bp) |
| { |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| struct net_device_stats *nstats = &bp->dev->stats; |
| int i; |
| |
| nstats->rx_packets = |
| bnx2x_hilo(&estats->total_unicast_packets_received_hi) + |
| bnx2x_hilo(&estats->total_multicast_packets_received_hi) + |
| bnx2x_hilo(&estats->total_broadcast_packets_received_hi); |
| |
| nstats->tx_packets = |
| bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) + |
| bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) + |
| bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi); |
| |
| nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); |
| |
| nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi); |
| |
| nstats->rx_dropped = estats->mac_discard; |
| for_each_queue(bp, i) |
| nstats->rx_dropped += |
| le32_to_cpu(bp->fp[i].old_tclient.checksum_discard); |
| |
| nstats->tx_dropped = 0; |
| |
| nstats->multicast = |
| bnx2x_hilo(&estats->total_multicast_packets_received_hi); |
| |
| nstats->collisions = |
| bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi); |
| |
| nstats->rx_length_errors = |
| bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) + |
| bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi); |
| nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) + |
| bnx2x_hilo(&estats->brb_truncate_hi); |
| nstats->rx_crc_errors = |
| bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi); |
| nstats->rx_frame_errors = |
| bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi); |
| nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi); |
| nstats->rx_missed_errors = estats->xxoverflow_discard; |
| |
| nstats->rx_errors = nstats->rx_length_errors + |
| nstats->rx_over_errors + |
| nstats->rx_crc_errors + |
| nstats->rx_frame_errors + |
| nstats->rx_fifo_errors + |
| nstats->rx_missed_errors; |
| |
| nstats->tx_aborted_errors = |
| bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) + |
| bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi); |
| nstats->tx_carrier_errors = |
| bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi); |
| nstats->tx_fifo_errors = 0; |
| nstats->tx_heartbeat_errors = 0; |
| nstats->tx_window_errors = 0; |
| |
| nstats->tx_errors = nstats->tx_aborted_errors + |
| nstats->tx_carrier_errors + |
| bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi); |
| } |
| |
| static void bnx2x_drv_stats_update(struct bnx2x *bp) |
| { |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| int i; |
| |
| estats->driver_xoff = 0; |
| estats->rx_err_discard_pkt = 0; |
| estats->rx_skb_alloc_failed = 0; |
| estats->hw_csum_err = 0; |
| for_each_queue(bp, i) { |
| struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats; |
| |
| estats->driver_xoff += qstats->driver_xoff; |
| estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt; |
| estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed; |
| estats->hw_csum_err += qstats->hw_csum_err; |
| } |
| } |
| |
| static void bnx2x_stats_update(struct bnx2x *bp) |
| { |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| |
| if (*stats_comp != DMAE_COMP_VAL) |
| return; |
| |
| if (bp->port.pmf) |
| bnx2x_hw_stats_update(bp); |
| |
| if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) { |
| BNX2X_ERR("storm stats were not updated for 3 times\n"); |
| bnx2x_panic(); |
| return; |
| } |
| |
| bnx2x_net_stats_update(bp); |
| bnx2x_drv_stats_update(bp); |
| |
| if (bp->msglevel & NETIF_MSG_TIMER) { |
| struct tstorm_per_client_stats *old_tclient = |
| &bp->fp->old_tclient; |
| struct bnx2x_eth_q_stats *qstats = &bp->fp->eth_q_stats; |
| struct bnx2x_eth_stats *estats = &bp->eth_stats; |
| struct net_device_stats *nstats = &bp->dev->stats; |
| int i; |
| |
| printk(KERN_DEBUG "%s:\n", bp->dev->name); |
| printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)" |
| " tx pkt (%lx)\n", |
| bnx2x_tx_avail(bp->fp), |
| le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets); |
| printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)" |
| " rx pkt (%lx)\n", |
| (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) - |
| bp->fp->rx_comp_cons), |
| le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets); |
| printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u " |
| "brb truncate %u\n", |
| (netif_queue_stopped(bp->dev) ? "Xoff" : "Xon"), |
| qstats->driver_xoff, |
| estats->brb_drop_lo, estats->brb_truncate_lo); |
| printk(KERN_DEBUG "tstats: checksum_discard %u " |
| "packets_too_big_discard %lu no_buff_discard %lu " |
| "mac_discard %u mac_filter_discard %u " |
| "xxovrflow_discard %u brb_truncate_discard %u " |
| "ttl0_discard %u\n", |
| le32_to_cpu(old_tclient->checksum_discard), |
| bnx2x_hilo(&qstats->etherstatsoverrsizepkts_hi), |
| bnx2x_hilo(&qstats->no_buff_discard_hi), |
| estats->mac_discard, estats->mac_filter_discard, |
| estats->xxoverflow_discard, estats->brb_truncate_discard, |
| le32_to_cpu(old_tclient->ttl0_discard)); |
| |
| for_each_queue(bp, i) { |
| printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i, |
| bnx2x_fp(bp, i, tx_pkt), |
| bnx2x_fp(bp, i, rx_pkt), |
| bnx2x_fp(bp, i, rx_calls)); |
| } |
| } |
| |
| bnx2x_hw_stats_post(bp); |
| bnx2x_storm_stats_post(bp); |
| } |
| |
| static void bnx2x_port_stats_stop(struct bnx2x *bp) |
| { |
| struct dmae_command *dmae; |
| u32 opcode; |
| int loader_idx = PMF_DMAE_C(bp); |
| u32 *stats_comp = bnx2x_sp(bp, stats_comp); |
| |
| bp->executer_idx = 0; |
| |
| opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | |
| DMAE_CMD_C_ENABLE | |
| DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | |
| #ifdef __BIG_ENDIAN |
| DMAE_CMD_ENDIANITY_B_DW_SWAP | |
| #else |
| DMAE_CMD_ENDIANITY_DW_SWAP | |
| #endif |
| (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | |
| (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); |
| |
| if (bp->port.port_stx) { |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| if (bp->func_stx) |
| dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); |
| else |
| dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); |
| dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); |
| dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); |
| dmae->dst_addr_lo = bp->port.port_stx >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = sizeof(struct host_port_stats) >> 2; |
| if (bp->func_stx) { |
| dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; |
| dmae->comp_addr_hi = 0; |
| dmae->comp_val = 1; |
| } else { |
| dmae->comp_addr_lo = |
| U64_LO(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_addr_hi = |
| U64_HI(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| *stats_comp = 0; |
| } |
| } |
| |
| if (bp->func_stx) { |
| |
| dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); |
| dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); |
| dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); |
| dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); |
| dmae->dst_addr_lo = bp->func_stx >> 2; |
| dmae->dst_addr_hi = 0; |
| dmae->len = sizeof(struct host_func_stats) >> 2; |
| dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); |
| dmae->comp_val = DMAE_COMP_VAL; |
| |
| *stats_comp = 0; |
| } |
| } |
| |
| static void bnx2x_stats_stop(struct bnx2x *bp) |
| { |
| int update = 0; |
| |
| bnx2x_stats_comp(bp); |
| |
| if (bp->port.pmf) |
| update = (bnx2x_hw_stats_update(bp) == 0); |
| |
| update |= (bnx2x_storm_stats_update(bp) == 0); |
| |
| if (update) { |
| bnx2x_net_stats_update(bp); |
| |
| if (bp->port.pmf) |
| bnx2x_port_stats_stop(bp); |
| |
| bnx2x_hw_stats_post(bp); |
| bnx2x_stats_comp(bp); |
| } |
| } |
| |
| static void bnx2x_stats_do_nothing(struct bnx2x *bp) |
| { |
| } |
| |
| static const struct { |
| void (*action)(struct bnx2x *bp); |
| enum bnx2x_stats_state next_state; |
| } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = { |
| /* state event */ |
| { |
| /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED}, |
| /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED}, |
| /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}, |
| /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED} |
| }, |
| { |
| /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED}, |
| /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED}, |
| /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED}, |
| /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED} |
| } |
| }; |
| |
| static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) |
| { |
| enum bnx2x_stats_state state = bp->stats_state; |
| |
| bnx2x_stats_stm[state][event].action(bp); |
| bp->stats_state = bnx2x_stats_stm[state][event].next_state; |
| |
| if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER)) |
| DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", |
| state, event, bp->stats_state); |
| } |
| |
| static void bnx2x_timer(unsigned long data) |
| { |
| struct bnx2x *bp = (struct bnx2x *) data; |
| |
| if (!netif_running(bp->dev)) |
| return; |
| |
| if (atomic_read(&bp->intr_sem) != 0) |
| goto timer_restart; |
| |
| if (poll) { |
| struct bnx2x_fastpath *fp = &bp->fp[0]; |
| int rc; |
| |
| bnx2x_tx_int(fp); |
| rc = bnx2x_rx_int(fp, 1000); |
| } |
| |
| if (!BP_NOMCP(bp)) { |
| int func = BP_FUNC(bp); |
| u32 drv_pulse; |
| u32 mcp_pulse; |
| |
| ++bp->fw_drv_pulse_wr_seq; |
| bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; |
| /* TBD - add SYSTEM_TIME */ |
| drv_pulse = bp->fw_drv_pulse_wr_seq; |
| SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse); |
| |
| mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) & |
| MCP_PULSE_SEQ_MASK); |
| /* The delta between driver pulse and mcp response |
| * should be 1 (before mcp response) or 0 (after mcp response) |
| */ |
| if ((drv_pulse != mcp_pulse) && |
| (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { |
| /* someone lost a heartbeat... */ |
| BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", |
| drv_pulse, mcp_pulse); |
| } |
| } |
| |
| if ((bp->state == BNX2X_STATE_OPEN) || |
| (bp->state == BNX2X_STATE_DISABLED)) |
| bnx2x_stats_handle(bp, STATS_EVENT_UPDATE); |
| |
| timer_restart: |
| mod_timer(&bp->timer, jiffies + bp->current_interval); |
| } |
| |
| /* end of Statistics */ |
| |
| /* nic init */ |
| |
| /* |
| * nic init service functions |
| */ |
| |
| static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id) |
| { |
| int port = BP_PORT(bp); |
| |
| bnx2x_init_fill(bp, BAR_USTRORM_INTMEM + |
| USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0, |
| sizeof(struct ustorm_status_block)/4); |
| bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0, |
| sizeof(struct cstorm_status_block)/4); |
| } |
| |
| static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb, |
| dma_addr_t mapping, int sb_id) |
| { |
| int port = BP_PORT(bp); |
| int func = BP_FUNC(bp); |
| int index; |
| u64 section; |
| |
| /* USTORM */ |
| section = ((u64)mapping) + offsetof(struct host_status_block, |
| u_status_block); |
| sb->u_status_block.status_block_id = sb_id; |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section)); |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4), |
| U64_HI(section)); |
| REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF + |
| USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func); |
| |
| for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) |
| REG_WR16(bp, BAR_USTRORM_INTMEM + |
| USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1); |
| |
| /* CSTORM */ |
| section = ((u64)mapping) + offsetof(struct host_status_block, |
| c_status_block); |
| sb->c_status_block.status_block_id = sb_id; |
| |
| REG_WR(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section)); |
| REG_WR(bp, BAR_CSTRORM_INTMEM + |
| ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4), |
| U64_HI(section)); |
| REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF + |
| CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func); |
| |
| for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) |
| REG_WR16(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1); |
| |
| bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); |
| } |
| |
| static void bnx2x_zero_def_sb(struct bnx2x *bp) |
| { |
| int func = BP_FUNC(bp); |
| |
| bnx2x_init_fill(bp, BAR_USTRORM_INTMEM + |
| USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, |
| sizeof(struct ustorm_def_status_block)/4); |
| bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, |
| sizeof(struct cstorm_def_status_block)/4); |
| bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, |
| sizeof(struct xstorm_def_status_block)/4); |
| bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, |
| sizeof(struct tstorm_def_status_block)/4); |
| } |
| |
| static void bnx2x_init_def_sb(struct bnx2x *bp, |
| struct host_def_status_block *def_sb, |
| dma_addr_t mapping, int sb_id) |
| { |
| int port = BP_PORT(bp); |
| int func = BP_FUNC(bp); |
| int index, val, reg_offset; |
| u64 section; |
| |
| /* ATTN */ |
| section = ((u64)mapping) + offsetof(struct host_def_status_block, |
| atten_status_block); |
| def_sb->atten_status_block.status_block_id = sb_id; |
| |
| bp->attn_state = 0; |
| |
| reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : |
| MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); |
| |
| for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { |
| bp->attn_group[index].sig[0] = REG_RD(bp, |
| reg_offset + 0x10*index); |
| bp->attn_group[index].sig[1] = REG_RD(bp, |
| reg_offset + 0x4 + 0x10*index); |
| bp->attn_group[index].sig[2] = REG_RD(bp, |
| reg_offset + 0x8 + 0x10*index); |
| bp->attn_group[index].sig[3] = REG_RD(bp, |
| reg_offset + 0xc + 0x10*index); |
| } |
| |
| reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : |
| HC_REG_ATTN_MSG0_ADDR_L); |
| |
| REG_WR(bp, reg_offset, U64_LO(section)); |
| REG_WR(bp, reg_offset + 4, U64_HI(section)); |
| |
| reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); |
| |
| val = REG_RD(bp, reg_offset); |
| val |= sb_id; |
| REG_WR(bp, reg_offset, val); |
| |
| /* USTORM */ |
| section = ((u64)mapping) + offsetof(struct host_def_status_block, |
| u_def_status_block); |
| def_sb->u_def_status_block.status_block_id = sb_id; |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), |
| U64_HI(section)); |
| REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF + |
| USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); |
| |
| for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) |
| REG_WR16(bp, BAR_USTRORM_INTMEM + |
| USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); |
| |
| /* CSTORM */ |
| section = ((u64)mapping) + offsetof(struct host_def_status_block, |
| c_def_status_block); |
| def_sb->c_def_status_block.status_block_id = sb_id; |
| |
| REG_WR(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); |
| REG_WR(bp, BAR_CSTRORM_INTMEM + |
| ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), |
| U64_HI(section)); |
| REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF + |
| CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); |
| |
| for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) |
| REG_WR16(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); |
| |
| /* TSTORM */ |
| section = ((u64)mapping) + offsetof(struct host_def_status_block, |
| t_def_status_block); |
| def_sb->t_def_status_block.status_block_id = sb_id; |
| |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), |
| U64_HI(section)); |
| REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF + |
| TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); |
| |
| for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) |
| REG_WR16(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); |
| |
| /* XSTORM */ |
| section = ((u64)mapping) + offsetof(struct host_def_status_block, |
| x_def_status_block); |
| def_sb->x_def_status_block.status_block_id = sb_id; |
| |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), |
| U64_HI(section)); |
| REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF + |
| XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); |
| |
| for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) |
| REG_WR16(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); |
| |
| bp->stats_pending = 0; |
| bp->set_mac_pending = 0; |
| |
| bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); |
| } |
| |
| static void bnx2x_update_coalesce(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| int i; |
| |
| for_each_queue(bp, i) { |
| int sb_id = bp->fp[i].sb_id; |
| |
| /* HC_INDEX_U_ETH_RX_CQ_CONS */ |
| REG_WR8(bp, BAR_USTRORM_INTMEM + |
| USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id, |
| U_SB_ETH_RX_CQ_INDEX), |
| bp->rx_ticks/12); |
| REG_WR16(bp, BAR_USTRORM_INTMEM + |
| USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, |
| U_SB_ETH_RX_CQ_INDEX), |
| bp->rx_ticks ? 0 : 1); |
| |
| /* HC_INDEX_C_ETH_TX_CQ_CONS */ |
| REG_WR8(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id, |
| C_SB_ETH_TX_CQ_INDEX), |
| bp->tx_ticks/12); |
| REG_WR16(bp, BAR_CSTRORM_INTMEM + |
| CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, |
| C_SB_ETH_TX_CQ_INDEX), |
| bp->tx_ticks ? 0 : 1); |
| } |
| } |
| |
| static inline void bnx2x_free_tpa_pool(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, int last) |
| { |
| int i; |
| |
| for (i = 0; i < last; i++) { |
| struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]); |
| struct sk_buff *skb = rx_buf->skb; |
| |
| if (skb == NULL) { |
| DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i); |
| continue; |
| } |
| |
| if (fp->tpa_state[i] == BNX2X_TPA_START) |
| pci_unmap_single(bp->pdev, |
| pci_unmap_addr(rx_buf, mapping), |
| bp->rx_buf_size, PCI_DMA_FROMDEVICE); |
| |
| dev_kfree_skb(skb); |
| rx_buf->skb = NULL; |
| } |
| } |
| |
| static void bnx2x_init_rx_rings(struct bnx2x *bp) |
| { |
| int func = BP_FUNC(bp); |
| int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : |
| ETH_MAX_AGGREGATION_QUEUES_E1H; |
| u16 ring_prod, cqe_ring_prod; |
| int i, j; |
| |
| bp->rx_buf_size = bp->dev->mtu + ETH_OVREHEAD + BNX2X_RX_ALIGN; |
| DP(NETIF_MSG_IFUP, |
| "mtu %d rx_buf_size %d\n", bp->dev->mtu, bp->rx_buf_size); |
| |
| if (bp->flags & TPA_ENABLE_FLAG) { |
| |
| for_each_rx_queue(bp, j) { |
| struct bnx2x_fastpath *fp = &bp->fp[j]; |
| |
| for (i = 0; i < max_agg_queues; i++) { |
| fp->tpa_pool[i].skb = |
| netdev_alloc_skb(bp->dev, bp->rx_buf_size); |
| if (!fp->tpa_pool[i].skb) { |
| BNX2X_ERR("Failed to allocate TPA " |
| "skb pool for queue[%d] - " |
| "disabling TPA on this " |
| "queue!\n", j); |
| bnx2x_free_tpa_pool(bp, fp, i); |
| fp->disable_tpa = 1; |
| break; |
| } |
| pci_unmap_addr_set((struct sw_rx_bd *) |
| &bp->fp->tpa_pool[i], |
| mapping, 0); |
| fp->tpa_state[i] = BNX2X_TPA_STOP; |
| } |
| } |
| } |
| |
| for_each_rx_queue(bp, j) { |
| struct bnx2x_fastpath *fp = &bp->fp[j]; |
| |
| fp->rx_bd_cons = 0; |
| fp->rx_cons_sb = BNX2X_RX_SB_INDEX; |
| fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX; |
| |
| /* "next page" elements initialization */ |
| /* SGE ring */ |
| for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { |
| struct eth_rx_sge *sge; |
| |
| sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2]; |
| sge->addr_hi = |
| cpu_to_le32(U64_HI(fp->rx_sge_mapping + |
| BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); |
| sge->addr_lo = |
| cpu_to_le32(U64_LO(fp->rx_sge_mapping + |
| BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); |
| } |
| |
| bnx2x_init_sge_ring_bit_mask(fp); |
| |
| /* RX BD ring */ |
| for (i = 1; i <= NUM_RX_RINGS; i++) { |
| struct eth_rx_bd *rx_bd; |
| |
| rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; |
| rx_bd->addr_hi = |
| cpu_to_le32(U64_HI(fp->rx_desc_mapping + |
| BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); |
| rx_bd->addr_lo = |
| cpu_to_le32(U64_LO(fp->rx_desc_mapping + |
| BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); |
| } |
| |
| /* CQ ring */ |
| for (i = 1; i <= NUM_RCQ_RINGS; i++) { |
| struct eth_rx_cqe_next_page *nextpg; |
| |
| nextpg = (struct eth_rx_cqe_next_page *) |
| &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; |
| nextpg->addr_hi = |
| cpu_to_le32(U64_HI(fp->rx_comp_mapping + |
| BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); |
| nextpg->addr_lo = |
| cpu_to_le32(U64_LO(fp->rx_comp_mapping + |
| BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); |
| } |
| |
| /* Allocate SGEs and initialize the ring elements */ |
| for (i = 0, ring_prod = 0; |
| i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) { |
| |
| if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) { |
| BNX2X_ERR("was only able to allocate " |
| "%d rx sges\n", i); |
| BNX2X_ERR("disabling TPA for queue[%d]\n", j); |
| /* Cleanup already allocated elements */ |
| bnx2x_free_rx_sge_range(bp, fp, ring_prod); |
| bnx2x_free_tpa_pool(bp, fp, max_agg_queues); |
| fp->disable_tpa = 1; |
| ring_prod = 0; |
| break; |
| } |
| ring_prod = NEXT_SGE_IDX(ring_prod); |
| } |
| fp->rx_sge_prod = ring_prod; |
| |
| /* Allocate BDs and initialize BD ring */ |
| fp->rx_comp_cons = 0; |
| cqe_ring_prod = ring_prod = 0; |
| for (i = 0; i < bp->rx_ring_size; i++) { |
| if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { |
| BNX2X_ERR("was only able to allocate " |
| "%d rx skbs on queue[%d]\n", i, j); |
| fp->eth_q_stats.rx_skb_alloc_failed++; |
| break; |
| } |
| ring_prod = NEXT_RX_IDX(ring_prod); |
| cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod); |
| WARN_ON(ring_prod <= i); |
| } |
| |
| fp->rx_bd_prod = ring_prod; |
| /* must not have more available CQEs than BDs */ |
| fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT), |
| cqe_ring_prod); |
| fp->rx_pkt = fp->rx_calls = 0; |
| |
| /* Warning! |
| * this will generate an interrupt (to the TSTORM) |
| * must only be done after chip is initialized |
| */ |
| bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod, |
| fp->rx_sge_prod); |
| if (j != 0) |
| continue; |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func), |
| U64_LO(fp->rx_comp_mapping)); |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4, |
| U64_HI(fp->rx_comp_mapping)); |
| } |
| } |
| |
| static void bnx2x_init_tx_ring(struct bnx2x *bp) |
| { |
| int i, j; |
| |
| for_each_tx_queue(bp, j) { |
| struct bnx2x_fastpath *fp = &bp->fp[j]; |
| |
| for (i = 1; i <= NUM_TX_RINGS; i++) { |
| struct eth_tx_bd *tx_bd = |
| &fp->tx_desc_ring[TX_DESC_CNT * i - 1]; |
| |
| tx_bd->addr_hi = |
| cpu_to_le32(U64_HI(fp->tx_desc_mapping + |
| BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); |
| tx_bd->addr_lo = |
| cpu_to_le32(U64_LO(fp->tx_desc_mapping + |
| BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); |
| } |
| |
| fp->tx_pkt_prod = 0; |
| fp->tx_pkt_cons = 0; |
| fp->tx_bd_prod = 0; |
| fp->tx_bd_cons = 0; |
| fp->tx_cons_sb = BNX2X_TX_SB_INDEX; |
| fp->tx_pkt = 0; |
| } |
| } |
| |
| static void bnx2x_init_sp_ring(struct bnx2x *bp) |
| { |
| int func = BP_FUNC(bp); |
| |
| spin_lock_init(&bp->spq_lock); |
| |
| bp->spq_left = MAX_SPQ_PENDING; |
| bp->spq_prod_idx = 0; |
| bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; |
| bp->spq_prod_bd = bp->spq; |
| bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; |
| |
| REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func), |
| U64_LO(bp->spq_mapping)); |
| REG_WR(bp, |
| XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4, |
| U64_HI(bp->spq_mapping)); |
| |
| REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func), |
| bp->spq_prod_idx); |
| } |
| |
| static void bnx2x_init_context(struct bnx2x *bp) |
| { |
| int i; |
| |
| for_each_queue(bp, i) { |
| struct eth_context *context = bnx2x_sp(bp, context[i].eth); |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| u8 cl_id = fp->cl_id; |
| u8 sb_id = fp->sb_id; |
| |
| context->ustorm_st_context.common.sb_index_numbers = |
| BNX2X_RX_SB_INDEX_NUM; |
| context->ustorm_st_context.common.clientId = cl_id; |
| context->ustorm_st_context.common.status_block_id = sb_id; |
| context->ustorm_st_context.common.flags = |
| (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT | |
| USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_STATISTICS); |
| context->ustorm_st_context.common.statistics_counter_id = |
| cl_id; |
| context->ustorm_st_context.common.mc_alignment_log_size = |
| BNX2X_RX_ALIGN_SHIFT; |
| context->ustorm_st_context.common.bd_buff_size = |
| bp->rx_buf_size; |
| context->ustorm_st_context.common.bd_page_base_hi = |
| U64_HI(fp->rx_desc_mapping); |
| context->ustorm_st_context.common.bd_page_base_lo = |
| U64_LO(fp->rx_desc_mapping); |
| if (!fp->disable_tpa) { |
| context->ustorm_st_context.common.flags |= |
| (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA | |
| USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING); |
| context->ustorm_st_context.common.sge_buff_size = |
| (u16)min((u32)SGE_PAGE_SIZE*PAGES_PER_SGE, |
| (u32)0xffff); |
| context->ustorm_st_context.common.sge_page_base_hi = |
| U64_HI(fp->rx_sge_mapping); |
| context->ustorm_st_context.common.sge_page_base_lo = |
| U64_LO(fp->rx_sge_mapping); |
| } |
| |
| context->ustorm_ag_context.cdu_usage = |
| CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), |
| CDU_REGION_NUMBER_UCM_AG, |
| ETH_CONNECTION_TYPE); |
| |
| context->xstorm_st_context.tx_bd_page_base_hi = |
| U64_HI(fp->tx_desc_mapping); |
| context->xstorm_st_context.tx_bd_page_base_lo = |
| U64_LO(fp->tx_desc_mapping); |
| context->xstorm_st_context.db_data_addr_hi = |
| U64_HI(fp->tx_prods_mapping); |
| context->xstorm_st_context.db_data_addr_lo = |
| U64_LO(fp->tx_prods_mapping); |
| context->xstorm_st_context.statistics_data = (cl_id | |
| XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE); |
| context->cstorm_st_context.sb_index_number = |
| C_SB_ETH_TX_CQ_INDEX; |
| context->cstorm_st_context.status_block_id = sb_id; |
| |
| context->xstorm_ag_context.cdu_reserved = |
| CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), |
| CDU_REGION_NUMBER_XCM_AG, |
| ETH_CONNECTION_TYPE); |
| } |
| } |
| |
| static void bnx2x_init_ind_table(struct bnx2x *bp) |
| { |
| int func = BP_FUNC(bp); |
| int i; |
| |
| if (bp->multi_mode == ETH_RSS_MODE_DISABLED) |
| return; |
| |
| DP(NETIF_MSG_IFUP, |
| "Initializing indirection table multi_mode %d\n", bp->multi_mode); |
| for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) |
| REG_WR8(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_INDIRECTION_TABLE_OFFSET(func) + i, |
| bp->fp->cl_id + (i % bp->num_rx_queues)); |
| } |
| |
| static void bnx2x_set_client_config(struct bnx2x *bp) |
| { |
| struct tstorm_eth_client_config tstorm_client = {0}; |
| int port = BP_PORT(bp); |
| int i; |
| |
| tstorm_client.mtu = bp->dev->mtu; |
| tstorm_client.config_flags = |
| (TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE | |
| TSTORM_ETH_CLIENT_CONFIG_E1HOV_REM_ENABLE); |
| #ifdef BCM_VLAN |
| if (bp->rx_mode && bp->vlgrp && (bp->flags & HW_VLAN_RX_FLAG)) { |
| tstorm_client.config_flags |= |
| TSTORM_ETH_CLIENT_CONFIG_VLAN_REM_ENABLE; |
| DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); |
| } |
| #endif |
| |
| if (bp->flags & TPA_ENABLE_FLAG) { |
| tstorm_client.max_sges_for_packet = |
| SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT; |
| tstorm_client.max_sges_for_packet = |
| ((tstorm_client.max_sges_for_packet + |
| PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >> |
| PAGES_PER_SGE_SHIFT; |
| |
| tstorm_client.config_flags |= |
| TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING; |
| } |
| |
| for_each_queue(bp, i) { |
| tstorm_client.statistics_counter_id = bp->fp[i].cl_id; |
| |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id), |
| ((u32 *)&tstorm_client)[0]); |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4, |
| ((u32 *)&tstorm_client)[1]); |
| } |
| |
| DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n", |
| ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); |
| } |
| |
| static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) |
| { |
| struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0}; |
| int mode = bp->rx_mode; |
| int mask = (1 << BP_L_ID(bp)); |
| int func = BP_FUNC(bp); |
| int i; |
| |
| DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask); |
| |
| switch (mode) { |
| case BNX2X_RX_MODE_NONE: /* no Rx */ |
| tstorm_mac_filter.ucast_drop_all = mask; |
| tstorm_mac_filter.mcast_drop_all = mask; |
| tstorm_mac_filter.bcast_drop_all = mask; |
| break; |
| |
| case BNX2X_RX_MODE_NORMAL: |
| tstorm_mac_filter.bcast_accept_all = mask; |
| break; |
| |
| case BNX2X_RX_MODE_ALLMULTI: |
| tstorm_mac_filter.mcast_accept_all = mask; |
| tstorm_mac_filter.bcast_accept_all = mask; |
| break; |
| |
| case BNX2X_RX_MODE_PROMISC: |
| tstorm_mac_filter.ucast_accept_all = mask; |
| tstorm_mac_filter.mcast_accept_all = mask; |
| tstorm_mac_filter.bcast_accept_all = mask; |
| break; |
| |
| default: |
| BNX2X_ERR("BAD rx mode (%d)\n", mode); |
| break; |
| } |
| |
| for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) { |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4, |
| ((u32 *)&tstorm_mac_filter)[i]); |
| |
| /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, |
| ((u32 *)&tstorm_mac_filter)[i]); */ |
| } |
| |
| if (mode != BNX2X_RX_MODE_NONE) |
| bnx2x_set_client_config(bp); |
| } |
| |
| static void bnx2x_init_internal_common(struct bnx2x *bp) |
| { |
| int i; |
| |
| if (bp->flags & TPA_ENABLE_FLAG) { |
| struct tstorm_eth_tpa_exist tpa = {0}; |
| |
| tpa.tpa_exist = 1; |
| |
| REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET, |
| ((u32 *)&tpa)[0]); |
| REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4, |
| ((u32 *)&tpa)[1]); |
| } |
| |
| /* Zero this manually as its initialization is |
| currently missing in the initTool */ |
| for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++) |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_AGG_DATA_OFFSET + i * 4, 0); |
| } |
| |
| static void bnx2x_init_internal_port(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR); |
| REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); |
| REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); |
| REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); |
| } |
| |
| /* Calculates the sum of vn_min_rates. |
| It's needed for further normalizing of the min_rates. |
| Returns: |
| sum of vn_min_rates. |
| or |
| 0 - if all the min_rates are 0. |
| In the later case fainess algorithm should be deactivated. |
| If not all min_rates are zero then those that are zeroes will be set to 1. |
| */ |
| static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) |
| { |
| int all_zero = 1; |
| int port = BP_PORT(bp); |
| int vn; |
| |
| bp->vn_weight_sum = 0; |
| for (vn = VN_0; vn < E1HVN_MAX; vn++) { |
| int func = 2*vn + port; |
| u32 vn_cfg = |
| SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); |
| u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> |
| FUNC_MF_CFG_MIN_BW_SHIFT) * 100; |
| |
| /* Skip hidden vns */ |
| if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) |
| continue; |
| |
| /* If min rate is zero - set it to 1 */ |
| if (!vn_min_rate) |
| vn_min_rate = DEF_MIN_RATE; |
| else |
| all_zero = 0; |
| |
| bp->vn_weight_sum += vn_min_rate; |
| } |
| |
| /* ... only if all min rates are zeros - disable fairness */ |
| if (all_zero) |
| bp->vn_weight_sum = 0; |
| } |
| |
| static void bnx2x_init_internal_func(struct bnx2x *bp) |
| { |
| struct tstorm_eth_function_common_config tstorm_config = {0}; |
| struct stats_indication_flags stats_flags = {0}; |
| int port = BP_PORT(bp); |
| int func = BP_FUNC(bp); |
| int i, j; |
| u32 offset; |
| u16 max_agg_size; |
| |
| if (is_multi(bp)) { |
| tstorm_config.config_flags = MULTI_FLAGS(bp); |
| tstorm_config.rss_result_mask = MULTI_MASK; |
| } |
| if (IS_E1HMF(bp)) |
| tstorm_config.config_flags |= |
| TSTORM_ETH_FUNCTION_COMMON_CONFIG_E1HOV_IN_CAM; |
| |
| tstorm_config.leading_client_id = BP_L_ID(bp); |
| |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func), |
| (*(u32 *)&tstorm_config)); |
| |
| bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ |
| bnx2x_set_storm_rx_mode(bp); |
| |
| for_each_queue(bp, i) { |
| u8 cl_id = bp->fp[i].cl_id; |
| |
| /* reset xstorm per client statistics */ |
| offset = BAR_XSTRORM_INTMEM + |
| XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cl_id); |
| for (j = 0; |
| j < sizeof(struct xstorm_per_client_stats) / 4; j++) |
| REG_WR(bp, offset + j*4, 0); |
| |
| /* reset tstorm per client statistics */ |
| offset = BAR_TSTRORM_INTMEM + |
| TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cl_id); |
| for (j = 0; |
| j < sizeof(struct tstorm_per_client_stats) / 4; j++) |
| REG_WR(bp, offset + j*4, 0); |
| |
| /* reset ustorm per client statistics */ |
| offset = BAR_USTRORM_INTMEM + |
| USTORM_PER_COUNTER_ID_STATS_OFFSET(port, cl_id); |
| for (j = 0; |
| j < sizeof(struct ustorm_per_client_stats) / 4; j++) |
| REG_WR(bp, offset + j*4, 0); |
| } |
| |
| /* Init statistics related context */ |
| stats_flags.collect_eth = 1; |
| |
| REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), |
| ((u32 *)&stats_flags)[0]); |
| REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4, |
| ((u32 *)&stats_flags)[1]); |
| |
| REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), |
| ((u32 *)&stats_flags)[0]); |
| REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4, |
| ((u32 *)&stats_flags)[1]); |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(func), |
| ((u32 *)&stats_flags)[0]); |
| REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(func) + 4, |
| ((u32 *)&stats_flags)[1]); |
| |
| REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), |
| ((u32 *)&stats_flags)[0]); |
| REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4, |
| ((u32 *)&stats_flags)[1]); |
| |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), |
| U64_LO(bnx2x_sp_mapping(bp, fw_stats))); |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, |
| U64_HI(bnx2x_sp_mapping(bp, fw_stats))); |
| |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), |
| U64_LO(bnx2x_sp_mapping(bp, fw_stats))); |
| REG_WR(bp, BAR_TSTRORM_INTMEM + |
| TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, |
| U64_HI(bnx2x_sp_mapping(bp, fw_stats))); |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), |
| U64_LO(bnx2x_sp_mapping(bp, fw_stats))); |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, |
| U64_HI(bnx2x_sp_mapping(bp, fw_stats))); |
| |
| if (CHIP_IS_E1H(bp)) { |
| REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET, |
| IS_E1HMF(bp)); |
| REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET, |
| IS_E1HMF(bp)); |
| REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET, |
| IS_E1HMF(bp)); |
| REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET, |
| IS_E1HMF(bp)); |
| |
| REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func), |
| bp->e1hov); |
| } |
| |
| /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */ |
| max_agg_size = |
| min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) * |
| SGE_PAGE_SIZE * PAGES_PER_SGE), |
| (u32)0xffff); |
| for_each_rx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_CQE_PAGE_BASE_OFFSET(port, fp->cl_id), |
| U64_LO(fp->rx_comp_mapping)); |
| REG_WR(bp, BAR_USTRORM_INTMEM + |
| USTORM_CQE_PAGE_BASE_OFFSET(port, fp->cl_id) + 4, |
| U64_HI(fp->rx_comp_mapping)); |
| |
| REG_WR16(bp, BAR_USTRORM_INTMEM + |
| USTORM_MAX_AGG_SIZE_OFFSET(port, fp->cl_id), |
| max_agg_size); |
| } |
| |
| /* dropless flow control */ |
| if (CHIP_IS_E1H(bp)) { |
| struct ustorm_eth_rx_pause_data_e1h rx_pause = {0}; |
| |
| rx_pause.bd_thr_low = 250; |
| rx_pause.cqe_thr_low = 250; |
| rx_pause.cos = 1; |
| rx_pause.sge_thr_low = 0; |
| rx_pause.bd_thr_high = 350; |
| rx_pause.cqe_thr_high = 350; |
| rx_pause.sge_thr_high = 0; |
| |
| for_each_rx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| if (!fp->disable_tpa) { |
| rx_pause.sge_thr_low = 150; |
| rx_pause.sge_thr_high = 250; |
| } |
| |
| |
| offset = BAR_USTRORM_INTMEM + |
| USTORM_ETH_RING_PAUSE_DATA_OFFSET(port, |
| fp->cl_id); |
| for (j = 0; |
| j < sizeof(struct ustorm_eth_rx_pause_data_e1h)/4; |
| j++) |
| REG_WR(bp, offset + j*4, |
| ((u32 *)&rx_pause)[j]); |
| } |
| } |
| |
| memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port)); |
| |
| /* Init rate shaping and fairness contexts */ |
| if (IS_E1HMF(bp)) { |
| int vn; |
| |
| /* During init there is no active link |
| Until link is up, set link rate to 10Gbps */ |
| bp->link_vars.line_speed = SPEED_10000; |
| bnx2x_init_port_minmax(bp); |
| |
| bnx2x_calc_vn_weight_sum(bp); |
| |
| for (vn = VN_0; vn < E1HVN_MAX; vn++) |
| bnx2x_init_vn_minmax(bp, 2*vn + port); |
| |
| /* Enable rate shaping and fairness */ |
| bp->cmng.flags.cmng_enables = |
| CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN; |
| if (bp->vn_weight_sum) |
| bp->cmng.flags.cmng_enables |= |
| CMNG_FLAGS_PER_PORT_FAIRNESS_VN; |
| else |
| DP(NETIF_MSG_IFUP, "All MIN values are zeroes" |
| " fairness will be disabled\n"); |
| } else { |
| /* rate shaping and fairness are disabled */ |
| DP(NETIF_MSG_IFUP, |
| "single function mode minmax will be disabled\n"); |
| } |
| |
| |
| /* Store it to internal memory */ |
| if (bp->port.pmf) |
| for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++) |
| REG_WR(bp, BAR_XSTRORM_INTMEM + |
| XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4, |
| ((u32 *)(&bp->cmng))[i]); |
| } |
| |
| static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code) |
| { |
| switch (load_code) { |
| case FW_MSG_CODE_DRV_LOAD_COMMON: |
| bnx2x_init_internal_common(bp); |
| /* no break */ |
| |
| case FW_MSG_CODE_DRV_LOAD_PORT: |
| bnx2x_init_internal_port(bp); |
| /* no break */ |
| |
| case FW_MSG_CODE_DRV_LOAD_FUNCTION: |
| bnx2x_init_internal_func(bp); |
| break; |
| |
| default: |
| BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); |
| break; |
| } |
| } |
| |
| static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code) |
| { |
| int i; |
| |
| for_each_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| fp->bp = bp; |
| fp->state = BNX2X_FP_STATE_CLOSED; |
| fp->index = i; |
| fp->cl_id = BP_L_ID(bp) + i; |
| fp->sb_id = fp->cl_id; |
| DP(NETIF_MSG_IFUP, |
| "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d sb %d\n", |
| i, bp, fp->status_blk, fp->cl_id, fp->sb_id); |
| bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, |
| fp->sb_id); |
| bnx2x_update_fpsb_idx(fp); |
| } |
| |
| /* ensure status block indices were read */ |
| rmb(); |
| |
| |
| bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping, |
| DEF_SB_ID); |
| bnx2x_update_dsb_idx(bp); |
| bnx2x_update_coalesce(bp); |
| bnx2x_init_rx_rings(bp); |
| bnx2x_init_tx_ring(bp); |
| bnx2x_init_sp_ring(bp); |
| bnx2x_init_context(bp); |
| bnx2x_init_internal(bp, load_code); |
| bnx2x_init_ind_table(bp); |
| bnx2x_stats_init(bp); |
| |
| /* At this point, we are ready for interrupts */ |
| atomic_set(&bp->intr_sem, 0); |
| |
| /* flush all before enabling interrupts */ |
| mb(); |
| mmiowb(); |
| |
| bnx2x_int_enable(bp); |
| } |
| |
| /* end of nic init */ |
| |
| /* |
| * gzip service functions |
| */ |
| |
| static int bnx2x_gunzip_init(struct bnx2x *bp) |
| { |
| bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE, |
| &bp->gunzip_mapping); |
| if (bp->gunzip_buf == NULL) |
| goto gunzip_nomem1; |
| |
| bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL); |
| if (bp->strm == NULL) |
| goto gunzip_nomem2; |
| |
| bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), |
| GFP_KERNEL); |
| if (bp->strm->workspace == NULL) |
| goto gunzip_nomem3; |
| |
| return 0; |
| |
| gunzip_nomem3: |
| kfree(bp->strm); |
| bp->strm = NULL; |
| |
| gunzip_nomem2: |
| pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, |
| bp->gunzip_mapping); |
| bp->gunzip_buf = NULL; |
| |
| gunzip_nomem1: |
| printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for" |
| " un-compression\n", bp->dev->name); |
| return -ENOMEM; |
| } |
| |
| static void bnx2x_gunzip_end(struct bnx2x *bp) |
| { |
| kfree(bp->strm->workspace); |
| |
| kfree(bp->strm); |
| bp->strm = NULL; |
| |
| if (bp->gunzip_buf) { |
| pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, |
| bp->gunzip_mapping); |
| bp->gunzip_buf = NULL; |
| } |
| } |
| |
| static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len) |
| { |
| int n, rc; |
| |
| /* check gzip header */ |
| if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) |
| return -EINVAL; |
| |
| n = 10; |
| |
| #define FNAME 0x8 |
| |
| if (zbuf[3] & FNAME) |
| while ((zbuf[n++] != 0) && (n < len)); |
| |
| bp->strm->next_in = zbuf + n; |
| bp->strm->avail_in = len - n; |
| bp->strm->next_out = bp->gunzip_buf; |
| bp->strm->avail_out = FW_BUF_SIZE; |
| |
| rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); |
| if (rc != Z_OK) |
| return rc; |
| |
| rc = zlib_inflate(bp->strm, Z_FINISH); |
| if ((rc != Z_OK) && (rc != Z_STREAM_END)) |
| printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", |
| bp->dev->name, bp->strm->msg); |
| |
| bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); |
| if (bp->gunzip_outlen & 0x3) |
| printk(KERN_ERR PFX "%s: Firmware decompression error:" |
| " gunzip_outlen (%d) not aligned\n", |
| bp->dev->name, bp->gunzip_outlen); |
| bp->gunzip_outlen >>= 2; |
| |
| zlib_inflateEnd(bp->strm); |
| |
| if (rc == Z_STREAM_END) |
| return 0; |
| |
| return rc; |
| } |
| |
| /* nic load/unload */ |
| |
| /* |
| * General service functions |
| */ |
| |
| /* send a NIG loopback debug packet */ |
| static void bnx2x_lb_pckt(struct bnx2x *bp) |
| { |
| u32 wb_write[3]; |
| |
| /* Ethernet source and destination addresses */ |
| wb_write[0] = 0x55555555; |
| wb_write[1] = 0x55555555; |
| wb_write[2] = 0x20; /* SOP */ |
| REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); |
| |
| /* NON-IP protocol */ |
| wb_write[0] = 0x09000000; |
| wb_write[1] = 0x55555555; |
| wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */ |
| REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); |
| } |
| |
| /* some of the internal memories |
| * are not directly readable from the driver |
| * to test them we send debug packets |
| */ |
| static int bnx2x_int_mem_test(struct bnx2x *bp) |
| { |
| int factor; |
| int count, i; |
| u32 val = 0; |
| |
| if (CHIP_REV_IS_FPGA(bp)) |
| factor = 120; |
| else if (CHIP_REV_IS_EMUL(bp)) |
| factor = 200; |
| else |
| factor = 1; |
| |
| DP(NETIF_MSG_HW, "start part1\n"); |
| |
| /* Disable inputs of parser neighbor blocks */ |
| REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); |
| REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); |
| REG_WR(bp, CFC_REG_DEBUG0, 0x1); |
| REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0); |
| |
| /* Write 0 to parser credits for CFC search request */ |
| REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); |
| |
| /* send Ethernet packet */ |
| bnx2x_lb_pckt(bp); |
| |
| /* TODO do i reset NIG statistic? */ |
| /* Wait until NIG register shows 1 packet of size 0x10 */ |
| count = 1000 * factor; |
| while (count) { |
| |
| bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); |
| val = *bnx2x_sp(bp, wb_data[0]); |
| if (val == 0x10) |
| break; |
| |
| msleep(10); |
| count--; |
| } |
| if (val != 0x10) { |
| BNX2X_ERR("NIG timeout val = 0x%x\n", val); |
| return -1; |
| } |
| |
| /* Wait until PRS register shows 1 packet */ |
| count = 1000 * factor; |
| while (count) { |
| val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); |
| if (val == 1) |
| break; |
| |
| msleep(10); |
| count--; |
| } |
| if (val != 0x1) { |
| BNX2X_ERR("PRS timeout val = 0x%x\n", val); |
| return -2; |
| } |
| |
| /* Reset and init BRB, PRS */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); |
| msleep(50); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); |
| msleep(50); |
| bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); |
| bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); |
| |
| DP(NETIF_MSG_HW, "part2\n"); |
| |
| /* Disable inputs of parser neighbor blocks */ |
| REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); |
| REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); |
| REG_WR(bp, CFC_REG_DEBUG0, 0x1); |
| REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0); |
| |
| /* Write 0 to parser credits for CFC search request */ |
| REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); |
| |
| /* send 10 Ethernet packets */ |
| for (i = 0; i < 10; i++) |
| bnx2x_lb_pckt(bp); |
| |
| /* Wait until NIG register shows 10 + 1 |
| packets of size 11*0x10 = 0xb0 */ |
| count = 1000 * factor; |
| while (count) { |
| |
| bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); |
| val = *bnx2x_sp(bp, wb_data[0]); |
| if (val == 0xb0) |
| break; |
| |
| msleep(10); |
| count--; |
| } |
| if (val != 0xb0) { |
| BNX2X_ERR("NIG timeout val = 0x%x\n", val); |
| return -3; |
| } |
| |
| /* Wait until PRS register shows 2 packets */ |
| val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); |
| if (val != 2) |
| BNX2X_ERR("PRS timeout val = 0x%x\n", val); |
| |
| /* Write 1 to parser credits for CFC search request */ |
| REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); |
| |
| /* Wait until PRS register shows 3 packets */ |
| msleep(10 * factor); |
| /* Wait until NIG register shows 1 packet of size 0x10 */ |
| val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); |
| if (val != 3) |
| BNX2X_ERR("PRS timeout val = 0x%x\n", val); |
| |
| /* clear NIG EOP FIFO */ |
| for (i = 0; i < 11; i++) |
| REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); |
| val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); |
| if (val != 1) { |
| BNX2X_ERR("clear of NIG failed\n"); |
| return -4; |
| } |
| |
| /* Reset and init BRB, PRS, NIG */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); |
| msleep(50); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); |
| msleep(50); |
| bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); |
| bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); |
| #ifndef BCM_ISCSI |
| /* set NIC mode */ |
| REG_WR(bp, PRS_REG_NIC_MODE, 1); |
| #endif |
| |
| /* Enable inputs of parser neighbor blocks */ |
| REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); |
| REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); |
| REG_WR(bp, CFC_REG_DEBUG0, 0x0); |
| REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1); |
| |
| DP(NETIF_MSG_HW, "done\n"); |
| |
| return 0; /* OK */ |
| } |
| |
| static void enable_blocks_attention(struct bnx2x *bp) |
| { |
| REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); |
| REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); |
| REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); |
| REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); |
| REG_WR(bp, QM_REG_QM_INT_MASK, 0); |
| REG_WR(bp, TM_REG_TM_INT_MASK, 0); |
| REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); |
| REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); |
| REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); |
| /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ |
| /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ |
| REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); |
| REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); |
| REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); |
| /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ |
| /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ |
| REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); |
| REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); |
| REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); |
| REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); |
| /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ |
| /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ |
| if (CHIP_REV_IS_FPGA(bp)) |
| REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000); |
| else |
| REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000); |
| REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); |
| REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); |
| REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); |
| /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ |
| /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ |
| REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); |
| REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); |
| /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ |
| REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ |
| } |
| |
| |
| static void bnx2x_reset_common(struct bnx2x *bp) |
| { |
| /* reset_common */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, |
| 0xd3ffff7f); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); |
| } |
| |
| static int bnx2x_init_common(struct bnx2x *bp) |
| { |
| u32 val, i; |
| |
| DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp)); |
| |
| bnx2x_reset_common(bp); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc); |
| |
| bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); |
| if (CHIP_IS_E1H(bp)) |
| REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp)); |
| |
| REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); |
| msleep(30); |
| REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); |
| |
| bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END); |
| if (CHIP_IS_E1(bp)) { |
| /* enable HW interrupt from PXP on USDM overflow |
| bit 16 on INT_MASK_0 */ |
| REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); |
| } |
| |
| bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END); |
| bnx2x_init_pxp(bp); |
| |
| #ifdef __BIG_ENDIAN |
| REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); |
| REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); |
| REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); |
| REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); |
| REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); |
| /* make sure this value is 0 */ |
| REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0); |
| |
| /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ |
| REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); |
| REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); |
| REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); |
| REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); |
| #endif |
| |
| REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2); |
| #ifdef BCM_ISCSI |
| REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); |
| REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); |
| REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); |
| #endif |
| |
| if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp)) |
| REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1); |
| |
| /* let the HW do it's magic ... */ |
| msleep(100); |
| /* finish PXP init */ |
| val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); |
| if (val != 1) { |
| BNX2X_ERR("PXP2 CFG failed\n"); |
| return -EBUSY; |
| } |
| val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); |
| if (val != 1) { |
| BNX2X_ERR("PXP2 RD_INIT failed\n"); |
| return -EBUSY; |
| } |
| |
| REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); |
| REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); |
| |
| bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END); |
| |
| /* clean the DMAE memory */ |
| bp->dmae_ready = 1; |
| bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); |
| |
| bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END); |
| bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END); |
| bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END); |
| bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END); |
| |
| bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); |
| bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); |
| bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); |
| bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); |
| |
| bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); |
| /* soft reset pulse */ |
| REG_WR(bp, QM_REG_SOFT_RESET, 1); |
| REG_WR(bp, QM_REG_SOFT_RESET, 0); |
| |
| #ifdef BCM_ISCSI |
| bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END); |
| #endif |
| |
| bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END); |
| REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT); |
| if (!CHIP_REV_IS_SLOW(bp)) { |
| /* enable hw interrupt from doorbell Q */ |
| REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); |
| } |
| |
| bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); |
| bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); |
| REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); |
| /* set NIC mode */ |
| REG_WR(bp, PRS_REG_NIC_MODE, 1); |
| if (CHIP_IS_E1H(bp)) |
| REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp)); |
| |
| bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END); |
| bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END); |
| bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END); |
| bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END); |
| |
| if (CHIP_IS_E1H(bp)) { |
| bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, |
| TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, |
| 0, STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, |
| CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, |
| 0, STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, |
| XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, |
| 0, STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1H/2); |
| bnx2x_init_fill(bp, |
| USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, |
| 0, STORM_INTMEM_SIZE_E1H/2); |
| } else { /* E1 */ |
| bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1); |
| bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1); |
| bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1); |
| bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, |
| STORM_INTMEM_SIZE_E1); |
| } |
| |
| bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END); |
| bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END); |
| bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END); |
| bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END); |
| |
| /* sync semi rtc */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, |
| 0x80000000); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, |
| 0x80000000); |
| |
| bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END); |
| bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END); |
| bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END); |
| |
| REG_WR(bp, SRC_REG_SOFT_RST, 1); |
| for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { |
| REG_WR(bp, i, 0xc0cac01a); |
| /* TODO: replace with something meaningful */ |
| } |
| bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END); |
| REG_WR(bp, SRC_REG_SOFT_RST, 0); |
| |
| if (sizeof(union cdu_context) != 1024) |
| /* we currently assume that a context is 1024 bytes */ |
| printk(KERN_ALERT PFX "please adjust the size of" |
| " cdu_context(%ld)\n", (long)sizeof(union cdu_context)); |
| |
| bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END); |
| val = (4 << 24) + (0 << 12) + 1024; |
| REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val); |
| if (CHIP_IS_E1(bp)) { |
| /* !!! fix pxp client crdit until excel update */ |
| REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264); |
| REG_WR(bp, CDU_REG_CDU_DEBUG, 0); |
| } |
| |
| bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END); |
| REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); |
| /* enable context validation interrupt from CFC */ |
| REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); |
| |
| /* set the thresholds to prevent CFC/CDU race */ |
| REG_WR(bp, CFC_REG_DEBUG0, 0x20020000); |
| |
| bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END); |
| bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END); |
| |
| /* PXPCS COMMON comes here */ |
| /* Reset PCIE errors for debug */ |
| REG_WR(bp, 0x2814, 0xffffffff); |
| REG_WR(bp, 0x3820, 0xffffffff); |
| |
| /* EMAC0 COMMON comes here */ |
| /* EMAC1 COMMON comes here */ |
| /* DBU COMMON comes here */ |
| /* DBG COMMON comes here */ |
| |
| bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END); |
| if (CHIP_IS_E1H(bp)) { |
| REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp)); |
| REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp)); |
| } |
| |
| if (CHIP_REV_IS_SLOW(bp)) |
| msleep(200); |
| |
| /* finish CFC init */ |
| val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10); |
| if (val != 1) { |
| BNX2X_ERR("CFC LL_INIT failed\n"); |
| return -EBUSY; |
| } |
| val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10); |
| if (val != 1) { |
| BNX2X_ERR("CFC AC_INIT failed\n"); |
| return -EBUSY; |
| } |
| val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10); |
| if (val != 1) { |
| BNX2X_ERR("CFC CAM_INIT failed\n"); |
| return -EBUSY; |
| } |
| REG_WR(bp, CFC_REG_DEBUG0, 0); |
| |
| /* read NIG statistic |
| to see if this is our first up since powerup */ |
| bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); |
| val = *bnx2x_sp(bp, wb_data[0]); |
| |
| /* do internal memory self test */ |
| if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) { |
| BNX2X_ERR("internal mem self test failed\n"); |
| return -EBUSY; |
| } |
| |
| switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| bp->port.need_hw_lock = 1; |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: |
| /* Fan failure is indicated by SPIO 5 */ |
| bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5, |
| MISC_REGISTERS_SPIO_INPUT_HI_Z); |
| |
| /* set to active low mode */ |
| val = REG_RD(bp, MISC_REG_SPIO_INT); |
| val |= ((1 << MISC_REGISTERS_SPIO_5) << |
| MISC_REGISTERS_SPIO_INT_OLD_SET_POS); |
| REG_WR(bp, MISC_REG_SPIO_INT, val); |
| |
| /* enable interrupt to signal the IGU */ |
| val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN); |
| val |= (1 << MISC_REGISTERS_SPIO_5); |
| REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val); |
| break; |
| |
| default: |
| break; |
| } |
| |
| /* clear PXP2 attentions */ |
| REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0); |
| |
| enable_blocks_attention(bp); |
| |
| if (!BP_NOMCP(bp)) { |
| bnx2x_acquire_phy_lock(bp); |
| bnx2x_common_init_phy(bp, bp->common.shmem_base); |
| bnx2x_release_phy_lock(bp); |
| } else |
| BNX2X_ERR("Bootcode is missing - can not initialize link\n"); |
| |
| return 0; |
| } |
| |
| static int bnx2x_init_port(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| u32 low, high; |
| u32 val; |
| |
| DP(BNX2X_MSG_MCP, "starting port init port %x\n", port); |
| |
| REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0); |
| |
| /* Port PXP comes here */ |
| /* Port PXP2 comes here */ |
| #ifdef BCM_ISCSI |
| /* Port0 1 |
| * Port1 385 */ |
| i++; |
| wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping); |
| wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping); |
| REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); |
| REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); |
| |
| /* Port0 2 |
| * Port1 386 */ |
| i++; |
| wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping); |
| wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping); |
| REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); |
| REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); |
| |
| /* Port0 3 |
| * Port1 387 */ |
| i++; |
| wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping); |
| wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping); |
| REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); |
| REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); |
| #endif |
| /* Port CMs come here */ |
| bnx2x_init_block(bp, (port ? XCM_PORT1_START : XCM_PORT0_START), |
| (port ? XCM_PORT1_END : XCM_PORT0_END)); |
| |
| /* Port QM comes here */ |
| #ifdef BCM_ISCSI |
| REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20); |
| REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31); |
| |
| bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START, |
| func ? TIMERS_PORT1_END : TIMERS_PORT0_END); |
| #endif |
| /* Port DQ comes here */ |
| |
| bnx2x_init_block(bp, (port ? BRB1_PORT1_START : BRB1_PORT0_START), |
| (port ? BRB1_PORT1_END : BRB1_PORT0_END)); |
| if (CHIP_REV_IS_SLOW(bp) && !CHIP_IS_E1H(bp)) { |
| /* no pause for emulation and FPGA */ |
| low = 0; |
| high = 513; |
| } else { |
| if (IS_E1HMF(bp)) |
| low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246); |
| else if (bp->dev->mtu > 4096) { |
| if (bp->flags & ONE_PORT_FLAG) |
| low = 160; |
| else { |
| val = bp->dev->mtu; |
| /* (24*1024 + val*4)/256 */ |
| low = 96 + (val/64) + ((val % 64) ? 1 : 0); |
| } |
| } else |
| low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160); |
| high = low + 56; /* 14*1024/256 */ |
| } |
| REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low); |
| REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high); |
| |
| |
| /* Port PRS comes here */ |
| /* Port TSDM comes here */ |
| /* Port CSDM comes here */ |
| /* Port USDM comes here */ |
| /* Port XSDM comes here */ |
| |
| bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START, |
| port ? TSEM_PORT1_END : TSEM_PORT0_END); |
| bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START, |
| port ? USEM_PORT1_END : USEM_PORT0_END); |
| bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START, |
| port ? CSEM_PORT1_END : CSEM_PORT0_END); |
| bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START, |
| port ? XSEM_PORT1_END : XSEM_PORT0_END); |
| |
| /* Port UPB comes here */ |
| /* Port XPB comes here */ |
| |
| bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START, |
| port ? PBF_PORT1_END : PBF_PORT0_END); |
| |
| /* configure PBF to work without PAUSE mtu 9000 */ |
| REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); |
| |
| /* update threshold */ |
| REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16)); |
| /* update init credit */ |
| REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22); |
| |
| /* probe changes */ |
| REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1); |
| msleep(5); |
| REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0); |
| |
| #ifdef BCM_ISCSI |
| /* tell the searcher where the T2 table is */ |
| REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64); |
| |
| wb_write[0] = U64_LO(bp->t2_mapping); |
| wb_write[1] = U64_HI(bp->t2_mapping); |
| REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2); |
| wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64); |
| wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64); |
| REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2); |
| |
| REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10); |
| /* Port SRCH comes here */ |
| #endif |
| /* Port CDU comes here */ |
| /* Port CFC comes here */ |
| |
| if (CHIP_IS_E1(bp)) { |
| REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); |
| REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); |
| } |
| bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START, |
| port ? HC_PORT1_END : HC_PORT0_END); |
| |
| bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START : |
| MISC_AEU_PORT0_START, |
| port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END); |
| /* init aeu_mask_attn_func_0/1: |
| * - SF mode: bits 3-7 are masked. only bits 0-2 are in use |
| * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF |
| * bits 4-7 are used for "per vn group attention" */ |
| REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, |
| (IS_E1HMF(bp) ? 0xF7 : 0x7)); |
| |
| /* Port PXPCS comes here */ |
| /* Port EMAC0 comes here */ |
| /* Port EMAC1 comes here */ |
| /* Port DBU comes here */ |
| /* Port DBG comes here */ |
| |
| bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START, |
| port ? NIG_PORT1_END : NIG_PORT0_END); |
| |
| REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); |
| |
| if (CHIP_IS_E1H(bp)) { |
| /* 0x2 disable e1hov, 0x1 enable */ |
| REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4, |
| (IS_E1HMF(bp) ? 0x1 : 0x2)); |
| |
| /* support pause requests from USDM, TSDM and BRB */ |
| REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0 + port*4, 0x7); |
| |
| { |
| REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0); |
| REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0); |
| REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1); |
| } |
| } |
| |
| /* Port MCP comes here */ |
| /* Port DMAE comes here */ |
| |
| switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| { |
| u32 swap_val, swap_override, aeu_gpio_mask, offset; |
| |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, |
| MISC_REGISTERS_GPIO_INPUT_HI_Z, port); |
| |
| /* The GPIO should be swapped if the swap register is |
| set and active */ |
| swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); |
| swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); |
| |
| /* Select function upon port-swap configuration */ |
| if (port == 0) { |
| offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; |
| aeu_gpio_mask = (swap_val && swap_override) ? |
| AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 : |
| AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0; |
| } else { |
| offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; |
| aeu_gpio_mask = (swap_val && swap_override) ? |
| AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 : |
| AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1; |
| } |
| val = REG_RD(bp, offset); |
| /* add GPIO3 to group */ |
| val |= aeu_gpio_mask; |
| REG_WR(bp, offset, val); |
| } |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: |
| /* add SPIO 5 to group 0 */ |
| val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); |
| val |= AEU_INPUTS_ATTN_BITS_SPIO5; |
| REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val); |
| break; |
| |
| default: |
| break; |
| } |
| |
| bnx2x__link_reset(bp); |
| |
| return 0; |
| } |
| |
| #define ILT_PER_FUNC (768/2) |
| #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC) |
| /* the phys address is shifted right 12 bits and has an added |
| 1=valid bit added to the 53rd bit |
| then since this is a wide register(TM) |
| we split it into two 32 bit writes |
| */ |
| #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) |
| #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) |
| #define PXP_ONE_ILT(x) (((x) << 10) | x) |
| #define PXP_ILT_RANGE(f, l) (((l) << 10) | f) |
| |
| #define CNIC_ILT_LINES 0 |
| |
| static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr) |
| { |
| int reg; |
| |
| if (CHIP_IS_E1H(bp)) |
| reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8; |
| else /* E1 */ |
| reg = PXP2_REG_RQ_ONCHIP_AT + index*8; |
| |
| bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr)); |
| } |
| |
| static int bnx2x_init_func(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| int func = BP_FUNC(bp); |
| u32 addr, val; |
| int i; |
| |
| DP(BNX2X_MSG_MCP, "starting func init func %x\n", func); |
| |
| /* set MSI reconfigure capability */ |
| addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0); |
| val = REG_RD(bp, addr); |
| val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0; |
| REG_WR(bp, addr, val); |
| |
| i = FUNC_ILT_BASE(func); |
| |
| bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context)); |
| if (CHIP_IS_E1H(bp)) { |
| REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i); |
| REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES); |
| } else /* E1 */ |
| REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, |
| PXP_ILT_RANGE(i, i + CNIC_ILT_LINES)); |
| |
| |
| if (CHIP_IS_E1H(bp)) { |
| for (i = 0; i < 9; i++) |
| bnx2x_init_block(bp, |
| cm_start[func][i], cm_end[func][i]); |
| |
| REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1); |
| REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov); |
| } |
| |
| /* HC init per function */ |
| if (CHIP_IS_E1H(bp)) { |
| REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0); |
| |
| REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); |
| REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); |
| } |
| bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]); |
| |
| /* Reset PCIE errors for debug */ |
| REG_WR(bp, 0x2114, 0xffffffff); |
| REG_WR(bp, 0x2120, 0xffffffff); |
| |
| return 0; |
| } |
| |
| static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code) |
| { |
| int i, rc = 0; |
| |
| DP(BNX2X_MSG_MCP, "function %d load_code %x\n", |
| BP_FUNC(bp), load_code); |
| |
| bp->dmae_ready = 0; |
| mutex_init(&bp->dmae_mutex); |
| bnx2x_gunzip_init(bp); |
| |
| switch (load_code) { |
| case FW_MSG_CODE_DRV_LOAD_COMMON: |
| rc = bnx2x_init_common(bp); |
| if (rc) |
| goto init_hw_err; |
| /* no break */ |
| |
| case FW_MSG_CODE_DRV_LOAD_PORT: |
| bp->dmae_ready = 1; |
| rc = bnx2x_init_port(bp); |
| if (rc) |
| goto init_hw_err; |
| /* no break */ |
| |
| case FW_MSG_CODE_DRV_LOAD_FUNCTION: |
| bp->dmae_ready = 1; |
| rc = bnx2x_init_func(bp); |
| if (rc) |
| goto init_hw_err; |
| break; |
| |
| default: |
| BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); |
| break; |
| } |
| |
| if (!BP_NOMCP(bp)) { |
| int func = BP_FUNC(bp); |
| |
| bp->fw_drv_pulse_wr_seq = |
| (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) & |
| DRV_PULSE_SEQ_MASK); |
| bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param); |
| DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n", |
| bp->fw_drv_pulse_wr_seq, bp->func_stx); |
| } else |
| bp->func_stx = 0; |
| |
| /* this needs to be done before gunzip end */ |
| bnx2x_zero_def_sb(bp); |
| for_each_queue(bp, i) |
| bnx2x_zero_sb(bp, BP_L_ID(bp) + i); |
| |
| init_hw_err: |
| bnx2x_gunzip_end(bp); |
| |
| return rc; |
| } |
| |
| /* send the MCP a request, block until there is a reply */ |
| static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) |
| { |
| int func = BP_FUNC(bp); |
| u32 seq = ++bp->fw_seq; |
| u32 rc = 0; |
| u32 cnt = 1; |
| u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10; |
| |
| SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq)); |
| DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq)); |
| |
| do { |
| /* let the FW do it's magic ... */ |
| msleep(delay); |
| |
| rc = SHMEM_RD(bp, func_mb[func].fw_mb_header); |
| |
| /* Give the FW up to 2 second (200*10ms) */ |
| } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200)); |
| |
| DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n", |
| cnt*delay, rc, seq); |
| |
| /* is this a reply to our command? */ |
| if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) { |
| rc &= FW_MSG_CODE_MASK; |
| |
| } else { |
| /* FW BUG! */ |
| BNX2X_ERR("FW failed to respond!\n"); |
| bnx2x_fw_dump(bp); |
| rc = 0; |
| } |
| |
| return rc; |
| } |
| |
| static void bnx2x_free_mem(struct bnx2x *bp) |
| { |
| |
| #define BNX2X_PCI_FREE(x, y, size) \ |
| do { \ |
| if (x) { \ |
| pci_free_consistent(bp->pdev, size, x, y); \ |
| x = NULL; \ |
| y = 0; \ |
| } \ |
| } while (0) |
| |
| #define BNX2X_FREE(x) \ |
| do { \ |
| if (x) { \ |
| vfree(x); \ |
| x = NULL; \ |
| } \ |
| } while (0) |
| |
| int i; |
| |
| /* fastpath */ |
| /* Common */ |
| for_each_queue(bp, i) { |
| |
| /* status blocks */ |
| BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk), |
| bnx2x_fp(bp, i, status_blk_mapping), |
| sizeof(struct host_status_block) + |
| sizeof(struct eth_tx_db_data)); |
| } |
| /* Rx */ |
| for_each_rx_queue(bp, i) { |
| |
| /* fastpath rx rings: rx_buf rx_desc rx_comp */ |
| BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); |
| BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), |
| bnx2x_fp(bp, i, rx_desc_mapping), |
| sizeof(struct eth_rx_bd) * NUM_RX_BD); |
| |
| BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), |
| bnx2x_fp(bp, i, rx_comp_mapping), |
| sizeof(struct eth_fast_path_rx_cqe) * |
| NUM_RCQ_BD); |
| |
| /* SGE ring */ |
| BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring)); |
| BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring), |
| bnx2x_fp(bp, i, rx_sge_mapping), |
| BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); |
| } |
| /* Tx */ |
| for_each_tx_queue(bp, i) { |
| |
| /* fastpath tx rings: tx_buf tx_desc */ |
| BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); |
| BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), |
| bnx2x_fp(bp, i, tx_desc_mapping), |
| sizeof(struct eth_tx_bd) * NUM_TX_BD); |
| } |
| /* end of fastpath */ |
| |
| BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, |
| sizeof(struct host_def_status_block)); |
| |
| BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping, |
| sizeof(struct bnx2x_slowpath)); |
| |
| #ifdef BCM_ISCSI |
| BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024); |
| BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024); |
| BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024); |
| BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024); |
| #endif |
| BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE); |
| |
| #undef BNX2X_PCI_FREE |
| #undef BNX2X_KFREE |
| } |
| |
| static int bnx2x_alloc_mem(struct bnx2x *bp) |
| { |
| |
| #define BNX2X_PCI_ALLOC(x, y, size) \ |
| do { \ |
| x = pci_alloc_consistent(bp->pdev, size, y); \ |
| if (x == NULL) \ |
| goto alloc_mem_err; \ |
| memset(x, 0, size); \ |
| } while (0) |
| |
| #define BNX2X_ALLOC(x, size) \ |
| do { \ |
| x = vmalloc(size); \ |
| if (x == NULL) \ |
| goto alloc_mem_err; \ |
| memset(x, 0, size); \ |
| } while (0) |
| |
| int i; |
| |
| /* fastpath */ |
| /* Common */ |
| for_each_queue(bp, i) { |
| bnx2x_fp(bp, i, bp) = bp; |
| |
| /* status blocks */ |
| BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk), |
| &bnx2x_fp(bp, i, status_blk_mapping), |
| sizeof(struct host_status_block) + |
| sizeof(struct eth_tx_db_data)); |
| } |
| /* Rx */ |
| for_each_rx_queue(bp, i) { |
| |
| /* fastpath rx rings: rx_buf rx_desc rx_comp */ |
| BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), |
| sizeof(struct sw_rx_bd) * NUM_RX_BD); |
| BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), |
| &bnx2x_fp(bp, i, rx_desc_mapping), |
| sizeof(struct eth_rx_bd) * NUM_RX_BD); |
| |
| BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), |
| &bnx2x_fp(bp, i, rx_comp_mapping), |
| sizeof(struct eth_fast_path_rx_cqe) * |
| NUM_RCQ_BD); |
| |
| /* SGE ring */ |
| BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring), |
| sizeof(struct sw_rx_page) * NUM_RX_SGE); |
| BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring), |
| &bnx2x_fp(bp, i, rx_sge_mapping), |
| BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); |
| } |
| /* Tx */ |
| for_each_tx_queue(bp, i) { |
| |
| bnx2x_fp(bp, i, hw_tx_prods) = |
| (void *)(bnx2x_fp(bp, i, status_blk) + 1); |
| |
| bnx2x_fp(bp, i, tx_prods_mapping) = |
| bnx2x_fp(bp, i, status_blk_mapping) + |
| sizeof(struct host_status_block); |
| |
| /* fastpath tx rings: tx_buf tx_desc */ |
| BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), |
| sizeof(struct sw_tx_bd) * NUM_TX_BD); |
| BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), |
| &bnx2x_fp(bp, i, tx_desc_mapping), |
| sizeof(struct eth_tx_bd) * NUM_TX_BD); |
| } |
| /* end of fastpath */ |
| |
| BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping, |
| sizeof(struct host_def_status_block)); |
| |
| BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping, |
| sizeof(struct bnx2x_slowpath)); |
| |
| #ifdef BCM_ISCSI |
| BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024); |
| |
| /* Initialize T1 */ |
| for (i = 0; i < 64*1024; i += 64) { |
| *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL; |
| *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL; |
| } |
| |
| /* allocate searcher T2 table |
| we allocate 1/4 of alloc num for T2 |
| (which is not entered into the ILT) */ |
| BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024); |
| |
| /* Initialize T2 */ |
| for (i = 0; i < 16*1024; i += 64) |
| * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; |
| |
| /* now fixup the last line in the block to point to the next block */ |
| *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping; |
| |
| /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */ |
| BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024); |
| |
| /* QM queues (128*MAX_CONN) */ |
| BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024); |
| #endif |
| |
| /* Slow path ring */ |
| BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE); |
| |
| return 0; |
| |
| alloc_mem_err: |
| bnx2x_free_mem(bp); |
| return -ENOMEM; |
| |
| #undef BNX2X_PCI_ALLOC |
| #undef BNX2X_ALLOC |
| } |
| |
| static void bnx2x_free_tx_skbs(struct bnx2x *bp) |
| { |
| int i; |
| |
| for_each_tx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| u16 bd_cons = fp->tx_bd_cons; |
| u16 sw_prod = fp->tx_pkt_prod; |
| u16 sw_cons = fp->tx_pkt_cons; |
| |
| while (sw_cons != sw_prod) { |
| bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); |
| sw_cons++; |
| } |
| } |
| } |
| |
| static void bnx2x_free_rx_skbs(struct bnx2x *bp) |
| { |
| int i, j; |
| |
| for_each_rx_queue(bp, j) { |
| struct bnx2x_fastpath *fp = &bp->fp[j]; |
| |
| for (i = 0; i < NUM_RX_BD; i++) { |
| struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; |
| struct sk_buff *skb = rx_buf->skb; |
| |
| if (skb == NULL) |
| continue; |
| |
| pci_unmap_single(bp->pdev, |
| pci_unmap_addr(rx_buf, mapping), |
| bp->rx_buf_size, PCI_DMA_FROMDEVICE); |
| |
| rx_buf->skb = NULL; |
| dev_kfree_skb(skb); |
| } |
| if (!fp->disable_tpa) |
| bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? |
| ETH_MAX_AGGREGATION_QUEUES_E1 : |
| ETH_MAX_AGGREGATION_QUEUES_E1H); |
| } |
| } |
| |
| static void bnx2x_free_skbs(struct bnx2x *bp) |
| { |
| bnx2x_free_tx_skbs(bp); |
| bnx2x_free_rx_skbs(bp); |
| } |
| |
| static void bnx2x_free_msix_irqs(struct bnx2x *bp) |
| { |
| int i, offset = 1; |
| |
| free_irq(bp->msix_table[0].vector, bp->dev); |
| DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", |
| bp->msix_table[0].vector); |
| |
| for_each_queue(bp, i) { |
| DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " |
| "state %x\n", i, bp->msix_table[i + offset].vector, |
| bnx2x_fp(bp, i, state)); |
| |
| free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]); |
| } |
| } |
| |
| static void bnx2x_free_irq(struct bnx2x *bp) |
| { |
| if (bp->flags & USING_MSIX_FLAG) { |
| bnx2x_free_msix_irqs(bp); |
| pci_disable_msix(bp->pdev); |
| bp->flags &= ~USING_MSIX_FLAG; |
| |
| } else if (bp->flags & USING_MSI_FLAG) { |
| free_irq(bp->pdev->irq, bp->dev); |
| pci_disable_msi(bp->pdev); |
| bp->flags &= ~USING_MSI_FLAG; |
| |
| } else |
| free_irq(bp->pdev->irq, bp->dev); |
| } |
| |
| static int bnx2x_enable_msix(struct bnx2x *bp) |
| { |
| int i, rc, offset = 1; |
| int igu_vec = 0; |
| |
| bp->msix_table[0].entry = igu_vec; |
| DP(NETIF_MSG_IFUP, "msix_table[0].entry = %d (slowpath)\n", igu_vec); |
| |
| for_each_queue(bp, i) { |
| igu_vec = BP_L_ID(bp) + offset + i; |
| bp->msix_table[i + offset].entry = igu_vec; |
| DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d " |
| "(fastpath #%u)\n", i + offset, igu_vec, i); |
| } |
| |
| rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], |
| BNX2X_NUM_QUEUES(bp) + offset); |
| if (rc) { |
| DP(NETIF_MSG_IFUP, "MSI-X is not attainable rc %d\n", rc); |
| return rc; |
| } |
| |
| bp->flags |= USING_MSIX_FLAG; |
| |
| return 0; |
| } |
| |
| static int bnx2x_req_msix_irqs(struct bnx2x *bp) |
| { |
| int i, rc, offset = 1; |
| |
| rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, |
| bp->dev->name, bp->dev); |
| if (rc) { |
| BNX2X_ERR("request sp irq failed\n"); |
| return -EBUSY; |
| } |
| |
| for_each_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| sprintf(fp->name, "%s.fp%d", bp->dev->name, i); |
| rc = request_irq(bp->msix_table[i + offset].vector, |
| bnx2x_msix_fp_int, 0, fp->name, fp); |
| if (rc) { |
| BNX2X_ERR("request fp #%d irq failed rc %d\n", i, rc); |
| bnx2x_free_msix_irqs(bp); |
| return -EBUSY; |
| } |
| |
| fp->state = BNX2X_FP_STATE_IRQ; |
| } |
| |
| i = BNX2X_NUM_QUEUES(bp); |
| if (is_multi(bp)) |
| printk(KERN_INFO PFX |
| "%s: using MSI-X IRQs: sp %d fp %d - %d\n", |
| bp->dev->name, bp->msix_table[0].vector, |
| bp->msix_table[offset].vector, |
| bp->msix_table[offset + i - 1].vector); |
| else |
| printk(KERN_INFO PFX "%s: using MSI-X IRQs: sp %d fp %d\n", |
| bp->dev->name, bp->msix_table[0].vector, |
| bp->msix_table[offset + i - 1].vector); |
| |
| return 0; |
| } |
| |
| static int bnx2x_enable_msi(struct bnx2x *bp) |
| { |
| int rc; |
| |
| rc = pci_enable_msi(bp->pdev); |
| if (rc) { |
| DP(NETIF_MSG_IFUP, "MSI is not attainable\n"); |
| return -1; |
| } |
| bp->flags |= USING_MSI_FLAG; |
| |
| return 0; |
| } |
| |
| static int bnx2x_req_irq(struct bnx2x *bp) |
| { |
| unsigned long flags; |
| int rc; |
| |
| if (bp->flags & USING_MSI_FLAG) |
| flags = 0; |
| else |
| flags = IRQF_SHARED; |
| |
| rc = request_irq(bp->pdev->irq, bnx2x_interrupt, flags, |
| bp->dev->name, bp->dev); |
| if (!rc) |
| bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; |
| |
| return rc; |
| } |
| |
| static void bnx2x_napi_enable(struct bnx2x *bp) |
| { |
| int i; |
| |
| for_each_rx_queue(bp, i) |
| napi_enable(&bnx2x_fp(bp, i, napi)); |
| } |
| |
| static void bnx2x_napi_disable(struct bnx2x *bp) |
| { |
| int i; |
| |
| for_each_rx_queue(bp, i) |
| napi_disable(&bnx2x_fp(bp, i, napi)); |
| } |
| |
| static void bnx2x_netif_start(struct bnx2x *bp) |
| { |
| if (atomic_dec_and_test(&bp->intr_sem)) { |
| if (netif_running(bp->dev)) { |
| bnx2x_napi_enable(bp); |
| bnx2x_int_enable(bp); |
| if (bp->state == BNX2X_STATE_OPEN) |
| netif_tx_wake_all_queues(bp->dev); |
| } |
| } |
| } |
| |
| static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) |
| { |
| bnx2x_int_disable_sync(bp, disable_hw); |
| bnx2x_napi_disable(bp); |
| if (netif_running(bp->dev)) { |
| netif_tx_disable(bp->dev); |
| bp->dev->trans_start = jiffies; /* prevent tx timeout */ |
| } |
| } |
| |
| /* |
| * Init service functions |
| */ |
| |
| static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set) |
| { |
| struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); |
| int port = BP_PORT(bp); |
| |
| /* CAM allocation |
| * unicasts 0-31:port0 32-63:port1 |
| * multicast 64-127:port0 128-191:port1 |
| */ |
| config->hdr.length = 2; |
| config->hdr.offset = port ? 32 : 0; |
| config->hdr.client_id = bp->fp->cl_id; |
| config->hdr.reserved1 = 0; |
| |
| /* primary MAC */ |
| config->config_table[0].cam_entry.msb_mac_addr = |
| swab16(*(u16 *)&bp->dev->dev_addr[0]); |
| config->config_table[0].cam_entry.middle_mac_addr = |
| swab16(*(u16 *)&bp->dev->dev_addr[2]); |
| config->config_table[0].cam_entry.lsb_mac_addr = |
| swab16(*(u16 *)&bp->dev->dev_addr[4]); |
| config->config_table[0].cam_entry.flags = cpu_to_le16(port); |
| if (set) |
| config->config_table[0].target_table_entry.flags = 0; |
| else |
| CAM_INVALIDATE(config->config_table[0]); |
| config->config_table[0].target_table_entry.client_id = 0; |
| config->config_table[0].target_table_entry.vlan_id = 0; |
| |
| DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n", |
| (set ? "setting" : "clearing"), |
| config->config_table[0].cam_entry.msb_mac_addr, |
| config->config_table[0].cam_entry.middle_mac_addr, |
| config->config_table[0].cam_entry.lsb_mac_addr); |
| |
| /* broadcast */ |
| config->config_table[1].cam_entry.msb_mac_addr = cpu_to_le16(0xffff); |
| config->config_table[1].cam_entry.middle_mac_addr = cpu_to_le16(0xffff); |
| config->config_table[1].cam_entry.lsb_mac_addr = cpu_to_le16(0xffff); |
| config->config_table[1].cam_entry.flags = cpu_to_le16(port); |
| if (set) |
| config->config_table[1].target_table_entry.flags = |
| TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST; |
| else |
| CAM_INVALIDATE(config->config_table[1]); |
| config->config_table[1].target_table_entry.client_id = 0; |
| config->config_table[1].target_table_entry.vlan_id = 0; |
| |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, |
| U64_HI(bnx2x_sp_mapping(bp, mac_config)), |
| U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); |
| } |
| |
| static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set) |
| { |
| struct mac_configuration_cmd_e1h *config = |
| (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config); |
| |
| if (set && (bp->state != BNX2X_STATE_OPEN)) { |
| DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); |
| return; |
| } |
| |
| /* CAM allocation for E1H |
| * unicasts: by func number |
| * multicast: 20+FUNC*20, 20 each |
| */ |
| config->hdr.length = 1; |
| config->hdr.offset = BP_FUNC(bp); |
| config->hdr.client_id = bp->fp->cl_id; |
| config->hdr.reserved1 = 0; |
| |
| /* primary MAC */ |
| config->config_table[0].msb_mac_addr = |
| swab16(*(u16 *)&bp->dev->dev_addr[0]); |
| config->config_table[0].middle_mac_addr = |
| swab16(*(u16 *)&bp->dev->dev_addr[2]); |
| config->config_table[0].lsb_mac_addr = |
| swab16(*(u16 *)&bp->dev->dev_addr[4]); |
| config->config_table[0].client_id = BP_L_ID(bp); |
| config->config_table[0].vlan_id = 0; |
| config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov); |
| if (set) |
| config->config_table[0].flags = BP_PORT(bp); |
| else |
| config->config_table[0].flags = |
| MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE; |
| |
| DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n", |
| (set ? "setting" : "clearing"), |
| config->config_table[0].msb_mac_addr, |
| config->config_table[0].middle_mac_addr, |
| config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp)); |
| |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, |
| U64_HI(bnx2x_sp_mapping(bp, mac_config)), |
| U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); |
| } |
| |
| static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, |
| int *state_p, int poll) |
| { |
| /* can take a while if any port is running */ |
| int cnt = 5000; |
| |
| DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n", |
| poll ? "polling" : "waiting", state, idx); |
| |
| might_sleep(); |
| while (cnt--) { |
| if (poll) { |
| bnx2x_rx_int(bp->fp, 10); |
| /* if index is different from 0 |
| * the reply for some commands will |
| * be on the non default queue |
| */ |
| if (idx) |
| bnx2x_rx_int(&bp->fp[idx], 10); |
| } |
| |
| mb(); /* state is changed by bnx2x_sp_event() */ |
| if (*state_p == state) { |
| #ifdef BNX2X_STOP_ON_ERROR |
| DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt); |
| #endif |
| return 0; |
| } |
| |
| msleep(1); |
| } |
| |
| /* timeout! */ |
| BNX2X_ERR("timeout %s for state %x on IDX [%d]\n", |
| poll ? "polling" : "waiting", state, idx); |
| #ifdef BNX2X_STOP_ON_ERROR |
| bnx2x_panic(); |
| #endif |
| |
| return -EBUSY; |
| } |
| |
| static int bnx2x_setup_leading(struct bnx2x *bp) |
| { |
| int rc; |
| |
| /* reset IGU state */ |
| bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); |
| |
| /* SETUP ramrod */ |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); |
| |
| /* Wait for completion */ |
| rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); |
| |
| return rc; |
| } |
| |
| static int bnx2x_setup_multi(struct bnx2x *bp, int index) |
| { |
| struct bnx2x_fastpath *fp = &bp->fp[index]; |
| |
| /* reset IGU state */ |
| bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); |
| |
| /* SETUP ramrod */ |
| fp->state = BNX2X_FP_STATE_OPENING; |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, |
| fp->cl_id, 0); |
| |
| /* Wait for completion */ |
| return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, |
| &(fp->state), 0); |
| } |
| |
| static int bnx2x_poll(struct napi_struct *napi, int budget); |
| |
| static void bnx2x_set_int_mode(struct bnx2x *bp) |
| { |
| int num_queues; |
| |
| switch (int_mode) { |
| case INT_MODE_INTx: |
| case INT_MODE_MSI: |
| num_queues = 1; |
| bp->num_rx_queues = num_queues; |
| bp->num_tx_queues = num_queues; |
| DP(NETIF_MSG_IFUP, |
| "set number of queues to %d\n", num_queues); |
| break; |
| |
| case INT_MODE_MSIX: |
| default: |
| if (bp->multi_mode == ETH_RSS_MODE_REGULAR) |
| num_queues = min_t(u32, num_online_cpus(), |
| BNX2X_MAX_QUEUES(bp)); |
| else |
| num_queues = 1; |
| bp->num_rx_queues = num_queues; |
| bp->num_tx_queues = num_queues; |
| DP(NETIF_MSG_IFUP, "set number of rx queues to %d" |
| " number of tx queues to %d\n", |
| bp->num_rx_queues, bp->num_tx_queues); |
| /* if we can't use MSI-X we only need one fp, |
| * so try to enable MSI-X with the requested number of fp's |
| * and fallback to MSI or legacy INTx with one fp |
| */ |
| if (bnx2x_enable_msix(bp)) { |
| /* failed to enable MSI-X */ |
| num_queues = 1; |
| bp->num_rx_queues = num_queues; |
| bp->num_tx_queues = num_queues; |
| if (bp->multi_mode) |
| BNX2X_ERR("Multi requested but failed to " |
| "enable MSI-X set number of " |
| "queues to %d\n", num_queues); |
| } |
| break; |
| } |
| bp->dev->real_num_tx_queues = bp->num_tx_queues; |
| } |
| |
| static void bnx2x_set_rx_mode(struct net_device *dev); |
| |
| /* must be called with rtnl_lock */ |
| static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) |
| { |
| u32 load_code; |
| int i, rc = 0; |
| #ifdef BNX2X_STOP_ON_ERROR |
| DP(NETIF_MSG_IFUP, "enter load_mode %d\n", load_mode); |
| if (unlikely(bp->panic)) |
| return -EPERM; |
| #endif |
| |
| bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; |
| |
| bnx2x_set_int_mode(bp); |
| |
| if (bnx2x_alloc_mem(bp)) |
| return -ENOMEM; |
| |
| for_each_rx_queue(bp, i) |
| bnx2x_fp(bp, i, disable_tpa) = |
| ((bp->flags & TPA_ENABLE_FLAG) == 0); |
| |
| for_each_rx_queue(bp, i) |
| netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), |
| bnx2x_poll, 128); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| for_each_rx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| fp->poll_no_work = 0; |
| fp->poll_calls = 0; |
| fp->poll_max_calls = 0; |
| fp->poll_complete = 0; |
| fp->poll_exit = 0; |
| } |
| #endif |
| bnx2x_napi_enable(bp); |
| |
| if (bp->flags & USING_MSIX_FLAG) { |
| rc = bnx2x_req_msix_irqs(bp); |
| if (rc) { |
| pci_disable_msix(bp->pdev); |
| goto load_error1; |
| } |
| } else { |
| if ((rc != -ENOMEM) && (int_mode != INT_MODE_INTx)) |
| bnx2x_enable_msi(bp); |
| bnx2x_ack_int(bp); |
| rc = bnx2x_req_irq(bp); |
| if (rc) { |
| BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); |
| if (bp->flags & USING_MSI_FLAG) |
| pci_disable_msi(bp->pdev); |
| goto load_error1; |
| } |
| if (bp->flags & USING_MSI_FLAG) { |
| bp->dev->irq = bp->pdev->irq; |
| printk(KERN_INFO PFX "%s: using MSI IRQ %d\n", |
| bp->dev->name, bp->pdev->irq); |
| } |
| } |
| |
| /* Send LOAD_REQUEST command to MCP |
| Returns the type of LOAD command: |
| if it is the first port to be initialized |
| common blocks should be initialized, otherwise - not |
| */ |
| if (!BP_NOMCP(bp)) { |
| load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); |
| if (!load_code) { |
| BNX2X_ERR("MCP response failure, aborting\n"); |
| rc = -EBUSY; |
| goto load_error2; |
| } |
| if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { |
| rc = -EBUSY; /* other port in diagnostic mode */ |
| goto load_error2; |
| } |
| |
| } else { |
| int port = BP_PORT(bp); |
| |
| DP(NETIF_MSG_IFUP, "NO MCP - load counts %d, %d, %d\n", |
| load_count[0], load_count[1], load_count[2]); |
| load_count[0]++; |
| load_count[1 + port]++; |
| DP(NETIF_MSG_IFUP, "NO MCP - new load counts %d, %d, %d\n", |
| load_count[0], load_count[1], load_count[2]); |
| if (load_count[0] == 1) |
| load_code = FW_MSG_CODE_DRV_LOAD_COMMON; |
| else if (load_count[1 + port] == 1) |
| load_code = FW_MSG_CODE_DRV_LOAD_PORT; |
| else |
| load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; |
| } |
| |
| if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || |
| (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) |
| bp->port.pmf = 1; |
| else |
| bp->port.pmf = 0; |
| DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); |
| |
| /* Initialize HW */ |
| rc = bnx2x_init_hw(bp, load_code); |
| if (rc) { |
| BNX2X_ERR("HW init failed, aborting\n"); |
| goto load_error2; |
| } |
| |
| /* Setup NIC internals and enable interrupts */ |
| bnx2x_nic_init(bp, load_code); |
| |
| /* Send LOAD_DONE command to MCP */ |
| if (!BP_NOMCP(bp)) { |
| load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); |
| if (!load_code) { |
| BNX2X_ERR("MCP response failure, aborting\n"); |
| rc = -EBUSY; |
| goto load_error3; |
| } |
| } |
| |
| bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; |
| |
| rc = bnx2x_setup_leading(bp); |
| if (rc) { |
| BNX2X_ERR("Setup leading failed!\n"); |
| goto load_error3; |
| } |
| |
| if (CHIP_IS_E1H(bp)) |
| if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) { |
| DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n"); |
| bp->state = BNX2X_STATE_DISABLED; |
| } |
| |
| if (bp->state == BNX2X_STATE_OPEN) |
| for_each_nondefault_queue(bp, i) { |
| rc = bnx2x_setup_multi(bp, i); |
| if (rc) |
| goto load_error3; |
| } |
| |
| if (CHIP_IS_E1(bp)) |
| bnx2x_set_mac_addr_e1(bp, 1); |
| else |
| bnx2x_set_mac_addr_e1h(bp, 1); |
| |
| if (bp->port.pmf) |
| bnx2x_initial_phy_init(bp, load_mode); |
| |
| /* Start fast path */ |
| switch (load_mode) { |
| case LOAD_NORMAL: |
| /* Tx queue should be only reenabled */ |
| netif_tx_wake_all_queues(bp->dev); |
| /* Initialize the receive filter. */ |
| bnx2x_set_rx_mode(bp->dev); |
| break; |
| |
| case LOAD_OPEN: |
| netif_tx_start_all_queues(bp->dev); |
| /* Initialize the receive filter. */ |
| bnx2x_set_rx_mode(bp->dev); |
| break; |
| |
| case LOAD_DIAG: |
| /* Initialize the receive filter. */ |
| bnx2x_set_rx_mode(bp->dev); |
| bp->state = BNX2X_STATE_DIAG; |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (!bp->port.pmf) |
| bnx2x__link_status_update(bp); |
| |
| /* start the timer */ |
| mod_timer(&bp->timer, jiffies + bp->current_interval); |
| |
| |
| return 0; |
| |
| load_error3: |
| bnx2x_int_disable_sync(bp, 1); |
| if (!BP_NOMCP(bp)) { |
| bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP); |
| bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); |
| } |
| bp->port.pmf = 0; |
| /* Free SKBs, SGEs, TPA pool and driver internals */ |
| bnx2x_free_skbs(bp); |
| for_each_rx_queue(bp, i) |
| bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); |
| load_error2: |
| /* Release IRQs */ |
| bnx2x_free_irq(bp); |
| load_error1: |
| bnx2x_napi_disable(bp); |
| for_each_rx_queue(bp, i) |
| netif_napi_del(&bnx2x_fp(bp, i, napi)); |
| bnx2x_free_mem(bp); |
| |
| return rc; |
| } |
| |
| static int bnx2x_stop_multi(struct bnx2x *bp, int index) |
| { |
| struct bnx2x_fastpath *fp = &bp->fp[index]; |
| int rc; |
| |
| /* halt the connection */ |
| fp->state = BNX2X_FP_STATE_HALTING; |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, fp->cl_id, 0); |
| |
| /* Wait for completion */ |
| rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, |
| &(fp->state), 1); |
| if (rc) /* timeout */ |
| return rc; |
| |
| /* delete cfc entry */ |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); |
| |
| /* Wait for completion */ |
| rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index, |
| &(fp->state), 1); |
| return rc; |
| } |
| |
| static int bnx2x_stop_leading(struct bnx2x *bp) |
| { |
| __le16 dsb_sp_prod_idx; |
| /* if the other port is handling traffic, |
| this can take a lot of time */ |
| int cnt = 500; |
| int rc; |
| |
| might_sleep(); |
| |
| /* Send HALT ramrod */ |
| bp->fp[0].state = BNX2X_FP_STATE_HALTING; |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, bp->fp->cl_id, 0); |
| |
| /* Wait for completion */ |
| rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, |
| &(bp->fp[0].state), 1); |
| if (rc) /* timeout */ |
| return rc; |
| |
| dsb_sp_prod_idx = *bp->dsb_sp_prod; |
| |
| /* Send PORT_DELETE ramrod */ |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); |
| |
| /* Wait for completion to arrive on default status block |
| we are going to reset the chip anyway |
| so there is not much to do if this times out |
| */ |
| while (dsb_sp_prod_idx == *bp->dsb_sp_prod) { |
| if (!cnt) { |
| DP(NETIF_MSG_IFDOWN, "timeout waiting for port del " |
| "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n", |
| *bp->dsb_sp_prod, dsb_sp_prod_idx); |
| #ifdef BNX2X_STOP_ON_ERROR |
| bnx2x_panic(); |
| #endif |
| rc = -EBUSY; |
| break; |
| } |
| cnt--; |
| msleep(1); |
| rmb(); /* Refresh the dsb_sp_prod */ |
| } |
| bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; |
| bp->fp[0].state = BNX2X_FP_STATE_CLOSED; |
| |
| return rc; |
| } |
| |
| static void bnx2x_reset_func(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| int func = BP_FUNC(bp); |
| int base, i; |
| |
| /* Configure IGU */ |
| REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); |
| REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); |
| |
| /* Clear ILT */ |
| base = FUNC_ILT_BASE(func); |
| for (i = base; i < base + ILT_PER_FUNC; i++) |
| bnx2x_ilt_wr(bp, i, 0); |
| } |
| |
| static void bnx2x_reset_port(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| u32 val; |
| |
| REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0); |
| |
| /* Do not rcv packets to BRB */ |
| REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); |
| /* Do not direct rcv packets that are not for MCP to the BRB */ |
| REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : |
| NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); |
| |
| /* Configure AEU */ |
| REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); |
| |
| msleep(100); |
| /* Check for BRB port occupancy */ |
| val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4); |
| if (val) |
| DP(NETIF_MSG_IFDOWN, |
| "BRB1 is not empty %d blocks are occupied\n", val); |
| |
| /* TODO: Close Doorbell port? */ |
| } |
| |
| static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) |
| { |
| DP(BNX2X_MSG_MCP, "function %d reset_code %x\n", |
| BP_FUNC(bp), reset_code); |
| |
| switch (reset_code) { |
| case FW_MSG_CODE_DRV_UNLOAD_COMMON: |
| bnx2x_reset_port(bp); |
| bnx2x_reset_func(bp); |
| bnx2x_reset_common(bp); |
| break; |
| |
| case FW_MSG_CODE_DRV_UNLOAD_PORT: |
| bnx2x_reset_port(bp); |
| bnx2x_reset_func(bp); |
| break; |
| |
| case FW_MSG_CODE_DRV_UNLOAD_FUNCTION: |
| bnx2x_reset_func(bp); |
| break; |
| |
| default: |
| BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code); |
| break; |
| } |
| } |
| |
| /* must be called with rtnl_lock */ |
| static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) |
| { |
| int port = BP_PORT(bp); |
| u32 reset_code = 0; |
| int i, cnt, rc; |
| |
| bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; |
| |
| bp->rx_mode = BNX2X_RX_MODE_NONE; |
| bnx2x_set_storm_rx_mode(bp); |
| |
| bnx2x_netif_stop(bp, 1); |
| |
| del_timer_sync(&bp->timer); |
| SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb, |
| (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq)); |
| bnx2x_stats_handle(bp, STATS_EVENT_STOP); |
| |
| /* Release IRQs */ |
| bnx2x_free_irq(bp); |
| |
| /* Wait until tx fastpath tasks complete */ |
| for_each_tx_queue(bp, i) { |
| struct bnx2x_fastpath *fp = &bp->fp[i]; |
| |
| cnt = 1000; |
| while (bnx2x_has_tx_work_unload(fp)) { |
| |
| bnx2x_tx_int(fp); |
| if (!cnt) { |
| BNX2X_ERR("timeout waiting for queue[%d]\n", |
| i); |
| #ifdef BNX2X_STOP_ON_ERROR |
| bnx2x_panic(); |
| return -EBUSY; |
| #else |
| break; |
| #endif |
| } |
| cnt--; |
| msleep(1); |
| } |
| } |
| /* Give HW time to discard old tx messages */ |
| msleep(1); |
| |
| if (CHIP_IS_E1(bp)) { |
| struct mac_configuration_cmd *config = |
| bnx2x_sp(bp, mcast_config); |
| |
| bnx2x_set_mac_addr_e1(bp, 0); |
| |
| for (i = 0; i < config->hdr.length; i++) |
| CAM_INVALIDATE(config->config_table[i]); |
| |
| config->hdr.length = i; |
| if (CHIP_REV_IS_SLOW(bp)) |
| config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port); |
| else |
| config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port); |
| config->hdr.client_id = bp->fp->cl_id; |
| config->hdr.reserved1 = 0; |
| |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, |
| U64_HI(bnx2x_sp_mapping(bp, mcast_config)), |
| U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0); |
| |
| } else { /* E1H */ |
| REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0); |
| |
| bnx2x_set_mac_addr_e1h(bp, 0); |
| |
| for (i = 0; i < MC_HASH_SIZE; i++) |
| REG_WR(bp, MC_HASH_OFFSET(bp, i), 0); |
| } |
| |
| if (unload_mode == UNLOAD_NORMAL) |
| reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; |
| |
| else if (bp->flags & NO_WOL_FLAG) { |
| reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; |
| if (CHIP_IS_E1H(bp)) |
| REG_WR(bp, MISC_REG_E1HMF_MODE, 0); |
| |
| } else if (bp->wol) { |
| u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| u8 *mac_addr = bp->dev->dev_addr; |
| u32 val; |
| /* The mac address is written to entries 1-4 to |
| preserve entry 0 which is used by the PMF */ |
| u8 entry = (BP_E1HVN(bp) + 1)*8; |
| |
| val = (mac_addr[0] << 8) | mac_addr[1]; |
| EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val); |
| |
| val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | |
| (mac_addr[4] << 8) | mac_addr[5]; |
| EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val); |
| |
| reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; |
| |
| } else |
| reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; |
| |
| /* Close multi and leading connections |
| Completions for ramrods are collected in a synchronous way */ |
| for_each_nondefault_queue(bp, i) |
| if (bnx2x_stop_multi(bp, i)) |
| goto unload_error; |
| |
| rc = bnx2x_stop_leading(bp); |
| if (rc) { |
| BNX2X_ERR("Stop leading failed!\n"); |
| #ifdef BNX2X_STOP_ON_ERROR |
| return -EBUSY; |
| #else |
| goto unload_error; |
| #endif |
| } |
| |
| unload_error: |
| if (!BP_NOMCP(bp)) |
| reset_code = bnx2x_fw_command(bp, reset_code); |
| else { |
| DP(NETIF_MSG_IFDOWN, "NO MCP - load counts %d, %d, %d\n", |
| load_count[0], load_count[1], load_count[2]); |
| load_count[0]--; |
| load_count[1 + port]--; |
| DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts %d, %d, %d\n", |
| load_count[0], load_count[1], load_count[2]); |
| if (load_count[0] == 0) |
| reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; |
| else if (load_count[1 + port] == 0) |
| reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT; |
| else |
| reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION; |
| } |
| |
| if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) || |
| (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT)) |
| bnx2x__link_reset(bp); |
| |
| /* Reset the chip */ |
| bnx2x_reset_chip(bp, reset_code); |
| |
| /* Report UNLOAD_DONE to MCP */ |
| if (!BP_NOMCP(bp)) |
| bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); |
| |
| bp->port.pmf = 0; |
| |
| /* Free SKBs, SGEs, TPA pool and driver internals */ |
| bnx2x_free_skbs(bp); |
| for_each_rx_queue(bp, i) |
| bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); |
| for_each_rx_queue(bp, i) |
| netif_napi_del(&bnx2x_fp(bp, i, napi)); |
| bnx2x_free_mem(bp); |
| |
| bp->state = BNX2X_STATE_CLOSED; |
| |
| netif_carrier_off(bp->dev); |
| |
| return 0; |
| } |
| |
| static void bnx2x_reset_task(struct work_struct *work) |
| { |
| struct bnx2x *bp = container_of(work, struct bnx2x, reset_task); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| BNX2X_ERR("reset task called but STOP_ON_ERROR defined" |
| " so reset not done to allow debug dump,\n" |
| KERN_ERR " you will need to reboot when done\n"); |
| return; |
| #endif |
| |
| rtnl_lock(); |
| |
| if (!netif_running(bp->dev)) |
| goto reset_task_exit; |
| |
| bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| bnx2x_nic_load(bp, LOAD_NORMAL); |
| |
| reset_task_exit: |
| rtnl_unlock(); |
| } |
| |
| /* end of nic load/unload */ |
| |
| /* ethtool_ops */ |
| |
| /* |
| * Init service functions |
| */ |
| |
| static inline u32 bnx2x_get_pretend_reg(struct bnx2x *bp, int func) |
| { |
| switch (func) { |
| case 0: return PXP2_REG_PGL_PRETEND_FUNC_F0; |
| case 1: return PXP2_REG_PGL_PRETEND_FUNC_F1; |
| case 2: return PXP2_REG_PGL_PRETEND_FUNC_F2; |
| case 3: return PXP2_REG_PGL_PRETEND_FUNC_F3; |
| case 4: return PXP2_REG_PGL_PRETEND_FUNC_F4; |
| case 5: return PXP2_REG_PGL_PRETEND_FUNC_F5; |
| case 6: return PXP2_REG_PGL_PRETEND_FUNC_F6; |
| case 7: return PXP2_REG_PGL_PRETEND_FUNC_F7; |
| default: |
| BNX2X_ERR("Unsupported function index: %d\n", func); |
| return (u32)(-1); |
| } |
| } |
| |
| static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp, int orig_func) |
| { |
| u32 reg = bnx2x_get_pretend_reg(bp, orig_func), new_val; |
| |
| /* Flush all outstanding writes */ |
| mmiowb(); |
| |
| /* Pretend to be function 0 */ |
| REG_WR(bp, reg, 0); |
| /* Flush the GRC transaction (in the chip) */ |
| new_val = REG_RD(bp, reg); |
| if (new_val != 0) { |
| BNX2X_ERR("Hmmm... Pretend register wasn't updated: (0,%d)!\n", |
| new_val); |
| BUG(); |
| } |
| |
| /* From now we are in the "like-E1" mode */ |
| bnx2x_int_disable(bp); |
| |
| /* Flush all outstanding writes */ |
| mmiowb(); |
| |
| /* Restore the original funtion settings */ |
| REG_WR(bp, reg, orig_func); |
| new_val = REG_RD(bp, reg); |
| if (new_val != orig_func) { |
| BNX2X_ERR("Hmmm... Pretend register wasn't updated: (%d,%d)!\n", |
| orig_func, new_val); |
| BUG(); |
| } |
| } |
| |
| static inline void bnx2x_undi_int_disable(struct bnx2x *bp, int func) |
| { |
| if (CHIP_IS_E1H(bp)) |
| bnx2x_undi_int_disable_e1h(bp, func); |
| else |
| bnx2x_int_disable(bp); |
| } |
| |
| static void __devinit bnx2x_undi_unload(struct bnx2x *bp) |
| { |
| u32 val; |
| |
| /* Check if there is any driver already loaded */ |
| val = REG_RD(bp, MISC_REG_UNPREPARED); |
| if (val == 0x1) { |
| /* Check if it is the UNDI driver |
| * UNDI driver initializes CID offset for normal bell to 0x7 |
| */ |
| bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); |
| val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); |
| if (val == 0x7) { |
| u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; |
| /* save our func */ |
| int func = BP_FUNC(bp); |
| u32 swap_en; |
| u32 swap_val; |
| |
| /* clear the UNDI indication */ |
| REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); |
| |
| BNX2X_DEV_INFO("UNDI is active! reset device\n"); |
| |
| /* try unload UNDI on port 0 */ |
| bp->func = 0; |
| bp->fw_seq = |
| (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & |
| DRV_MSG_SEQ_NUMBER_MASK); |
| reset_code = bnx2x_fw_command(bp, reset_code); |
| |
| /* if UNDI is loaded on the other port */ |
| if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) { |
| |
| /* send "DONE" for previous unload */ |
| bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); |
| |
| /* unload UNDI on port 1 */ |
| bp->func = 1; |
| bp->fw_seq = |
| (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & |
| DRV_MSG_SEQ_NUMBER_MASK); |
| reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; |
| |
| bnx2x_fw_command(bp, reset_code); |
| } |
| |
| /* now it's safe to release the lock */ |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); |
| |
| bnx2x_undi_int_disable(bp, func); |
| |
| /* close input traffic and wait for it */ |
| /* Do not rcv packets to BRB */ |
| REG_WR(bp, |
| (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK : |
| NIG_REG_LLH0_BRB1_DRV_MASK), 0x0); |
| /* Do not direct rcv packets that are not for MCP to |
| * the BRB */ |
| REG_WR(bp, |
| (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP : |
| NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); |
| /* clear AEU */ |
| REG_WR(bp, |
| (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : |
| MISC_REG_AEU_MASK_ATTN_FUNC_0), 0); |
| msleep(10); |
| |
| /* save NIG port swap info */ |
| swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); |
| swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); |
| /* reset device */ |
| REG_WR(bp, |
| GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, |
| 0xd3ffffff); |
| REG_WR(bp, |
| GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, |
| 0x1403); |
| /* take the NIG out of reset and restore swap values */ |
| REG_WR(bp, |
| GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, |
| MISC_REGISTERS_RESET_REG_1_RST_NIG); |
| REG_WR(bp, NIG_REG_PORT_SWAP, swap_val); |
| REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en); |
| |
| /* send unload done to the MCP */ |
| bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); |
| |
| /* restore our func and fw_seq */ |
| bp->func = func; |
| bp->fw_seq = |
| (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & |
| DRV_MSG_SEQ_NUMBER_MASK); |
| |
| } else |
| bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); |
| } |
| } |
| |
| static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) |
| { |
| u32 val, val2, val3, val4, id; |
| u16 pmc; |
| |
| /* Get the chip revision id and number. */ |
| /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */ |
| val = REG_RD(bp, MISC_REG_CHIP_NUM); |
| id = ((val & 0xffff) << 16); |
| val = REG_RD(bp, MISC_REG_CHIP_REV); |
| id |= ((val & 0xf) << 12); |
| val = REG_RD(bp, MISC_REG_CHIP_METAL); |
| id |= ((val & 0xff) << 4); |
| val = REG_RD(bp, MISC_REG_BOND_ID); |
| id |= (val & 0xf); |
| bp->common.chip_id = id; |
| bp->link_params.chip_id = bp->common.chip_id; |
| BNX2X_DEV_INFO("chip ID is 0x%x\n", id); |
| |
| val = (REG_RD(bp, 0x2874) & 0x55); |
| if ((bp->common.chip_id & 0x1) || |
| (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) { |
| bp->flags |= ONE_PORT_FLAG; |
| BNX2X_DEV_INFO("single port device\n"); |
| } |
| |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4); |
| bp->common.flash_size = (NVRAM_1MB_SIZE << |
| (val & MCPR_NVM_CFG4_FLASH_SIZE)); |
| BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", |
| bp->common.flash_size, bp->common.flash_size); |
| |
| bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); |
| bp->link_params.shmem_base = bp->common.shmem_base; |
| BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base); |
| |
| if (!bp->common.shmem_base || |
| (bp->common.shmem_base < 0xA0000) || |
| (bp->common.shmem_base >= 0xC0000)) { |
| BNX2X_DEV_INFO("MCP not active\n"); |
| bp->flags |= NO_MCP_FLAG; |
| return; |
| } |
| |
| val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); |
| if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) |
| != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) |
| BNX2X_ERR("BAD MCP validity signature\n"); |
| |
| bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); |
| BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config); |
| |
| bp->link_params.hw_led_mode = ((bp->common.hw_config & |
| SHARED_HW_CFG_LED_MODE_MASK) >> |
| SHARED_HW_CFG_LED_MODE_SHIFT); |
| |
| bp->link_params.feature_config_flags = 0; |
| val = SHMEM_RD(bp, dev_info.shared_feature_config.config); |
| if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED) |
| bp->link_params.feature_config_flags |= |
| FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED; |
| else |
| bp->link_params.feature_config_flags &= |
| ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED; |
| |
| val = SHMEM_RD(bp, dev_info.bc_rev) >> 8; |
| bp->common.bc_ver = val; |
| BNX2X_DEV_INFO("bc_ver %X\n", val); |
| if (val < BNX2X_BC_VER) { |
| /* for now only warn |
| * later we might need to enforce this */ |
| BNX2X_ERR("This driver needs bc_ver %X but found %X," |
| " please upgrade BC\n", BNX2X_BC_VER, val); |
| } |
| |
| if (BP_E1HVN(bp) == 0) { |
| pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc); |
| bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG; |
| } else { |
| /* no WOL capability for E1HVN != 0 */ |
| bp->flags |= NO_WOL_FLAG; |
| } |
| BNX2X_DEV_INFO("%sWoL capable\n", |
| (bp->flags & NO_WOL_FLAG) ? "not " : ""); |
| |
| val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num); |
| val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]); |
| val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]); |
| val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]); |
| |
| printk(KERN_INFO PFX "part number %X-%X-%X-%X\n", |
| val, val2, val3, val4); |
| } |
| |
| static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp, |
| u32 switch_cfg) |
| { |
| int port = BP_PORT(bp); |
| u32 ext_phy_type; |
| |
| switch (switch_cfg) { |
| case SWITCH_CFG_1G: |
| BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg); |
| |
| ext_phy_type = |
| SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config); |
| switch (ext_phy_type) { |
| case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_2500baseX_Full | |
| SUPPORTED_TP | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| default: |
| BNX2X_ERR("NVRAM config error. " |
| "BAD SerDes ext_phy_config 0x%x\n", |
| bp->link_params.ext_phy_config); |
| return; |
| } |
| |
| bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + |
| port*0x10); |
| BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr); |
| break; |
| |
| case SWITCH_CFG_10G: |
| BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg); |
| |
| ext_phy_type = |
| XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); |
| switch (ext_phy_type) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_2500baseX_Full | |
| SUPPORTED_10000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10000baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10000baseT_Full | |
| SUPPORTED_2500baseX_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10000baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (8726)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10000baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_Autoneg | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: |
| BNX2X_DEV_INFO("ext_phy_type 0x%x (BCM8481)\n", |
| ext_phy_type); |
| |
| bp->port.supported |= (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_10000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: |
| BNX2X_ERR("XGXS PHY Failure detected 0x%x\n", |
| bp->link_params.ext_phy_config); |
| break; |
| |
| default: |
| BNX2X_ERR("NVRAM config error. " |
| "BAD XGXS ext_phy_config 0x%x\n", |
| bp->link_params.ext_phy_config); |
| return; |
| } |
| |
| bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + |
| port*0x18); |
| BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr); |
| |
| break; |
| |
| default: |
| BNX2X_ERR("BAD switch_cfg link_config 0x%x\n", |
| bp->port.link_config); |
| return; |
| } |
| bp->link_params.phy_addr = bp->port.phy_addr; |
| |
| /* mask what we support according to speed_cap_mask */ |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) |
| bp->port.supported &= ~SUPPORTED_10baseT_Half; |
| |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) |
| bp->port.supported &= ~SUPPORTED_10baseT_Full; |
| |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) |
| bp->port.supported &= ~SUPPORTED_100baseT_Half; |
| |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) |
| bp->port.supported &= ~SUPPORTED_100baseT_Full; |
| |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) |
| bp->port.supported &= ~(SUPPORTED_1000baseT_Half | |
| SUPPORTED_1000baseT_Full); |
| |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) |
| bp->port.supported &= ~SUPPORTED_2500baseX_Full; |
| |
| if (!(bp->link_params.speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) |
| bp->port.supported &= ~SUPPORTED_10000baseT_Full; |
| |
| BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported); |
| } |
| |
| static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp) |
| { |
| bp->link_params.req_duplex = DUPLEX_FULL; |
| |
| switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) { |
| case PORT_FEATURE_LINK_SPEED_AUTO: |
| if (bp->port.supported & SUPPORTED_Autoneg) { |
| bp->link_params.req_line_speed = SPEED_AUTO_NEG; |
| bp->port.advertising = bp->port.supported; |
| } else { |
| u32 ext_phy_type = |
| XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); |
| |
| if ((ext_phy_type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || |
| (ext_phy_type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) { |
| /* force 10G, no AN */ |
| bp->link_params.req_line_speed = SPEED_10000; |
| bp->port.advertising = |
| (ADVERTISED_10000baseT_Full | |
| ADVERTISED_FIBRE); |
| break; |
| } |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " Autoneg not supported\n", |
| bp->port.link_config); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_10M_FULL: |
| if (bp->port.supported & SUPPORTED_10baseT_Full) { |
| bp->link_params.req_line_speed = SPEED_10; |
| bp->port.advertising = (ADVERTISED_10baseT_Full | |
| ADVERTISED_TP); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_10M_HALF: |
| if (bp->port.supported & SUPPORTED_10baseT_Half) { |
| bp->link_params.req_line_speed = SPEED_10; |
| bp->link_params.req_duplex = DUPLEX_HALF; |
| bp->port.advertising = (ADVERTISED_10baseT_Half | |
| ADVERTISED_TP); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_100M_FULL: |
| if (bp->port.supported & SUPPORTED_100baseT_Full) { |
| bp->link_params.req_line_speed = SPEED_100; |
| bp->port.advertising = (ADVERTISED_100baseT_Full | |
| ADVERTISED_TP); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_100M_HALF: |
| if (bp->port.supported & SUPPORTED_100baseT_Half) { |
| bp->link_params.req_line_speed = SPEED_100; |
| bp->link_params.req_duplex = DUPLEX_HALF; |
| bp->port.advertising = (ADVERTISED_100baseT_Half | |
| ADVERTISED_TP); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_1G: |
| if (bp->port.supported & SUPPORTED_1000baseT_Full) { |
| bp->link_params.req_line_speed = SPEED_1000; |
| bp->port.advertising = (ADVERTISED_1000baseT_Full | |
| ADVERTISED_TP); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_2_5G: |
| if (bp->port.supported & SUPPORTED_2500baseX_Full) { |
| bp->link_params.req_line_speed = SPEED_2500; |
| bp->port.advertising = (ADVERTISED_2500baseX_Full | |
| ADVERTISED_TP); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| case PORT_FEATURE_LINK_SPEED_10G_CX4: |
| case PORT_FEATURE_LINK_SPEED_10G_KX4: |
| case PORT_FEATURE_LINK_SPEED_10G_KR: |
| if (bp->port.supported & SUPPORTED_10000baseT_Full) { |
| bp->link_params.req_line_speed = SPEED_10000; |
| bp->port.advertising = (ADVERTISED_10000baseT_Full | |
| ADVERTISED_FIBRE); |
| } else { |
| BNX2X_ERR("NVRAM config error. " |
| "Invalid link_config 0x%x" |
| " speed_cap_mask 0x%x\n", |
| bp->port.link_config, |
| bp->link_params.speed_cap_mask); |
| return; |
| } |
| break; |
| |
| default: |
| BNX2X_ERR("NVRAM config error. " |
| "BAD link speed link_config 0x%x\n", |
| bp->port.link_config); |
| bp->link_params.req_line_speed = SPEED_AUTO_NEG; |
| bp->port.advertising = bp->port.supported; |
| break; |
| } |
| |
| bp->link_params.req_flow_ctrl = (bp->port.link_config & |
| PORT_FEATURE_FLOW_CONTROL_MASK); |
| if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) && |
| !(bp->port.supported & SUPPORTED_Autoneg)) |
| bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| |
| BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x" |
| " advertising 0x%x\n", |
| bp->link_params.req_line_speed, |
| bp->link_params.req_duplex, |
| bp->link_params.req_flow_ctrl, bp->port.advertising); |
| } |
| |
| static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| u32 val, val2; |
| u32 config; |
| u16 i; |
| |
| bp->link_params.bp = bp; |
| bp->link_params.port = port; |
| |
| bp->link_params.lane_config = |
| SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); |
| bp->link_params.ext_phy_config = |
| SHMEM_RD(bp, |
| dev_info.port_hw_config[port].external_phy_config); |
| bp->link_params.speed_cap_mask = |
| SHMEM_RD(bp, |
| dev_info.port_hw_config[port].speed_capability_mask); |
| |
| bp->port.link_config = |
| SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); |
| |
| /* Get the 4 lanes xgxs config rx and tx */ |
| for (i = 0; i < 2; i++) { |
| val = SHMEM_RD(bp, |
| dev_info.port_hw_config[port].xgxs_config_rx[i<<1]); |
| bp->link_params.xgxs_config_rx[i << 1] = ((val>>16) & 0xffff); |
| bp->link_params.xgxs_config_rx[(i << 1) + 1] = (val & 0xffff); |
| |
| val = SHMEM_RD(bp, |
| dev_info.port_hw_config[port].xgxs_config_tx[i<<1]); |
| bp->link_params.xgxs_config_tx[i << 1] = ((val>>16) & 0xffff); |
| bp->link_params.xgxs_config_tx[(i << 1) + 1] = (val & 0xffff); |
| } |
| |
| config = SHMEM_RD(bp, dev_info.port_feature_config[port].config); |
| if (config & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_ENABLED) |
| bp->link_params.feature_config_flags |= |
| FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED; |
| else |
| bp->link_params.feature_config_flags &= |
| ~FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED; |
| |
| /* If the device is capable of WoL, set the default state according |
| * to the HW |
| */ |
| bp->wol = (!(bp->flags & NO_WOL_FLAG) && |
| (config & PORT_FEATURE_WOL_ENABLED)); |
| |
| BNX2X_DEV_INFO("lane_config 0x%08x ext_phy_config 0x%08x" |
| " speed_cap_mask 0x%08x link_config 0x%08x\n", |
| bp->link_params.lane_config, |
| bp->link_params.ext_phy_config, |
| bp->link_params.speed_cap_mask, bp->port.link_config); |
| |
| bp->link_params.switch_cfg = (bp->port.link_config & |
| PORT_FEATURE_CONNECTED_SWITCH_MASK); |
| bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg); |
| |
| bnx2x_link_settings_requested(bp); |
| |
| val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper); |
| val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower); |
| bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); |
| bp->dev->dev_addr[1] = (u8)(val2 & 0xff); |
| bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); |
| bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); |
| bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); |
| bp->dev->dev_addr[5] = (u8)(val & 0xff); |
| memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN); |
| memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN); |
| } |
| |
| static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) |
| { |
| int func = BP_FUNC(bp); |
| u32 val, val2; |
| int rc = 0; |
| |
| bnx2x_get_common_hwinfo(bp); |
| |
| bp->e1hov = 0; |
| bp->e1hmf = 0; |
| if (CHIP_IS_E1H(bp)) { |
| bp->mf_config = |
| SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); |
| |
| val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) & |
| FUNC_MF_CFG_E1HOV_TAG_MASK); |
| if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) { |
| |
| bp->e1hov = val; |
| bp->e1hmf = 1; |
| BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d " |
| "(0x%04x)\n", |
| func, bp->e1hov, bp->e1hov); |
| } else { |
| BNX2X_DEV_INFO("single function mode\n"); |
| if (BP_E1HVN(bp)) { |
| BNX2X_ERR("!!! No valid E1HOV for func %d," |
| " aborting\n", func); |
| rc = -EPERM; |
| } |
| } |
| } |
| |
| if (!BP_NOMCP(bp)) { |
| bnx2x_get_port_hwinfo(bp); |
| |
| bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) & |
| DRV_MSG_SEQ_NUMBER_MASK); |
| BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); |
| } |
| |
| if (IS_E1HMF(bp)) { |
| val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper); |
| val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower); |
| if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) && |
| (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) { |
| bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); |
| bp->dev->dev_addr[1] = (u8)(val2 & 0xff); |
| bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); |
| bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); |
| bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); |
| bp->dev->dev_addr[5] = (u8)(val & 0xff); |
| memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, |
| ETH_ALEN); |
| memcpy(bp->dev->perm_addr, bp->dev->dev_addr, |
| ETH_ALEN); |
| } |
| |
| return rc; |
| } |
| |
| if (BP_NOMCP(bp)) { |
| /* only supposed to happen on emulation/FPGA */ |
| BNX2X_ERR("warning random MAC workaround active\n"); |
| random_ether_addr(bp->dev->dev_addr); |
| memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN); |
| } |
| |
| return rc; |
| } |
| |
| static int __devinit bnx2x_init_bp(struct bnx2x *bp) |
| { |
| int func = BP_FUNC(bp); |
| int timer_interval; |
| int rc; |
| |
| /* Disable interrupt handling until HW is initialized */ |
| atomic_set(&bp->intr_sem, 1); |
| |
| mutex_init(&bp->port.phy_mutex); |
| |
| INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task); |
| INIT_WORK(&bp->reset_task, bnx2x_reset_task); |
| |
| rc = bnx2x_get_hwinfo(bp); |
| |
| /* need to reset chip if undi was active */ |
| if (!BP_NOMCP(bp)) |
| bnx2x_undi_unload(bp); |
| |
| if (CHIP_REV_IS_FPGA(bp)) |
| printk(KERN_ERR PFX "FPGA detected\n"); |
| |
| if (BP_NOMCP(bp) && (func == 0)) |
| printk(KERN_ERR PFX |
| "MCP disabled, must load devices in order!\n"); |
| |
| /* Set multi queue mode */ |
| if ((multi_mode != ETH_RSS_MODE_DISABLED) && |
| ((int_mode == INT_MODE_INTx) || (int_mode == INT_MODE_MSI))) { |
| printk(KERN_ERR PFX |
| "Multi disabled since int_mode requested is not MSI-X\n"); |
| multi_mode = ETH_RSS_MODE_DISABLED; |
| } |
| bp->multi_mode = multi_mode; |
| |
| |
| /* Set TPA flags */ |
| if (disable_tpa) { |
| bp->flags &= ~TPA_ENABLE_FLAG; |
| bp->dev->features &= ~NETIF_F_LRO; |
| } else { |
| bp->flags |= TPA_ENABLE_FLAG; |
| bp->dev->features |= NETIF_F_LRO; |
| } |
| |
| bp->mrrs = mrrs; |
| |
| bp->tx_ring_size = MAX_TX_AVAIL; |
| bp->rx_ring_size = MAX_RX_AVAIL; |
| |
| bp->rx_csum = 1; |
| |
| bp->tx_ticks = 50; |
| bp->rx_ticks = 25; |
| |
| timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ); |
| bp->current_interval = (poll ? poll : timer_interval); |
| |
| init_timer(&bp->timer); |
| bp->timer.expires = jiffies + bp->current_interval; |
| bp->timer.data = (unsigned long) bp; |
| bp->timer.function = bnx2x_timer; |
| |
| return rc; |
| } |
| |
| /* |
| * ethtool service functions |
| */ |
| |
| /* All ethtool functions called with rtnl_lock */ |
| |
| static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| cmd->supported = bp->port.supported; |
| cmd->advertising = bp->port.advertising; |
| |
| if (netif_carrier_ok(dev)) { |
| cmd->speed = bp->link_vars.line_speed; |
| cmd->duplex = bp->link_vars.duplex; |
| } else { |
| cmd->speed = bp->link_params.req_line_speed; |
| cmd->duplex = bp->link_params.req_duplex; |
| } |
| if (IS_E1HMF(bp)) { |
| u16 vn_max_rate; |
| |
| vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >> |
| FUNC_MF_CFG_MAX_BW_SHIFT) * 100; |
| if (vn_max_rate < cmd->speed) |
| cmd->speed = vn_max_rate; |
| } |
| |
| if (bp->link_params.switch_cfg == SWITCH_CFG_10G) { |
| u32 ext_phy_type = |
| XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); |
| |
| switch (ext_phy_type) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| cmd->port = PORT_FIBRE; |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: |
| cmd->port = PORT_TP; |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: |
| BNX2X_ERR("XGXS PHY Failure detected 0x%x\n", |
| bp->link_params.ext_phy_config); |
| break; |
| |
| default: |
| DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", |
| bp->link_params.ext_phy_config); |
| break; |
| } |
| } else |
| cmd->port = PORT_TP; |
| |
| cmd->phy_address = bp->port.phy_addr; |
| cmd->transceiver = XCVR_INTERNAL; |
| |
| if (bp->link_params.req_line_speed == SPEED_AUTO_NEG) |
| cmd->autoneg = AUTONEG_ENABLE; |
| else |
| cmd->autoneg = AUTONEG_DISABLE; |
| |
| cmd->maxtxpkt = 0; |
| cmd->maxrxpkt = 0; |
| |
| DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" |
| DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" |
| DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" |
| DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", |
| cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, |
| cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, |
| cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); |
| |
| return 0; |
| } |
| |
| static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| u32 advertising; |
| |
| if (IS_E1HMF(bp)) |
| return 0; |
| |
| DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" |
| DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" |
| DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" |
| DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", |
| cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, |
| cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, |
| cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); |
| |
| if (cmd->autoneg == AUTONEG_ENABLE) { |
| if (!(bp->port.supported & SUPPORTED_Autoneg)) { |
| DP(NETIF_MSG_LINK, "Autoneg not supported\n"); |
| return -EINVAL; |
| } |
| |
| /* advertise the requested speed and duplex if supported */ |
| cmd->advertising &= bp->port.supported; |
| |
| bp->link_params.req_line_speed = SPEED_AUTO_NEG; |
| bp->link_params.req_duplex = DUPLEX_FULL; |
| bp->port.advertising |= (ADVERTISED_Autoneg | |
| cmd->advertising); |
| |
| } else { /* forced speed */ |
| /* advertise the requested speed and duplex if supported */ |
| switch (cmd->speed) { |
| case SPEED_10: |
| if (cmd->duplex == DUPLEX_FULL) { |
| if (!(bp->port.supported & |
| SUPPORTED_10baseT_Full)) { |
| DP(NETIF_MSG_LINK, |
| "10M full not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_10baseT_Full | |
| ADVERTISED_TP); |
| } else { |
| if (!(bp->port.supported & |
| SUPPORTED_10baseT_Half)) { |
| DP(NETIF_MSG_LINK, |
| "10M half not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_10baseT_Half | |
| ADVERTISED_TP); |
| } |
| break; |
| |
| case SPEED_100: |
| if (cmd->duplex == DUPLEX_FULL) { |
| if (!(bp->port.supported & |
| SUPPORTED_100baseT_Full)) { |
| DP(NETIF_MSG_LINK, |
| "100M full not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_100baseT_Full | |
| ADVERTISED_TP); |
| } else { |
| if (!(bp->port.supported & |
| SUPPORTED_100baseT_Half)) { |
| DP(NETIF_MSG_LINK, |
| "100M half not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_100baseT_Half | |
| ADVERTISED_TP); |
| } |
| break; |
| |
| case SPEED_1000: |
| if (cmd->duplex != DUPLEX_FULL) { |
| DP(NETIF_MSG_LINK, "1G half not supported\n"); |
| return -EINVAL; |
| } |
| |
| if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) { |
| DP(NETIF_MSG_LINK, "1G full not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_1000baseT_Full | |
| ADVERTISED_TP); |
| break; |
| |
| case SPEED_2500: |
| if (cmd->duplex != DUPLEX_FULL) { |
| DP(NETIF_MSG_LINK, |
| "2.5G half not supported\n"); |
| return -EINVAL; |
| } |
| |
| if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) { |
| DP(NETIF_MSG_LINK, |
| "2.5G full not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_2500baseX_Full | |
| ADVERTISED_TP); |
| break; |
| |
| case SPEED_10000: |
| if (cmd->duplex != DUPLEX_FULL) { |
| DP(NETIF_MSG_LINK, "10G half not supported\n"); |
| return -EINVAL; |
| } |
| |
| if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) { |
| DP(NETIF_MSG_LINK, "10G full not supported\n"); |
| return -EINVAL; |
| } |
| |
| advertising = (ADVERTISED_10000baseT_Full | |
| ADVERTISED_FIBRE); |
| break; |
| |
| default: |
| DP(NETIF_MSG_LINK, "Unsupported speed\n"); |
| return -EINVAL; |
| } |
| |
| bp->link_params.req_line_speed = cmd->speed; |
| bp->link_params.req_duplex = cmd->duplex; |
| bp->port.advertising = advertising; |
| } |
| |
| DP(NETIF_MSG_LINK, "req_line_speed %d\n" |
| DP_LEVEL " req_duplex %d advertising 0x%x\n", |
| bp->link_params.req_line_speed, bp->link_params.req_duplex, |
| bp->port.advertising); |
| |
| if (netif_running(dev)) { |
| bnx2x_stats_handle(bp, STATS_EVENT_STOP); |
| bnx2x_link_set(bp); |
| } |
| |
| return 0; |
| } |
| |
| #define PHY_FW_VER_LEN 10 |
| |
| static void bnx2x_get_drvinfo(struct net_device *dev, |
| struct ethtool_drvinfo *info) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| u8 phy_fw_ver[PHY_FW_VER_LEN]; |
| |
| strcpy(info->driver, DRV_MODULE_NAME); |
| strcpy(info->version, DRV_MODULE_VERSION); |
| |
| phy_fw_ver[0] = '\0'; |
| if (bp->port.pmf) { |
| bnx2x_acquire_phy_lock(bp); |
| bnx2x_get_ext_phy_fw_version(&bp->link_params, |
| (bp->state != BNX2X_STATE_CLOSED), |
| phy_fw_ver, PHY_FW_VER_LEN); |
| bnx2x_release_phy_lock(bp); |
| } |
| |
| snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s", |
| (bp->common.bc_ver & 0xff0000) >> 16, |
| (bp->common.bc_ver & 0xff00) >> 8, |
| (bp->common.bc_ver & 0xff), |
| ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver); |
| strcpy(info->bus_info, pci_name(bp->pdev)); |
| info->n_stats = BNX2X_NUM_STATS; |
| info->testinfo_len = BNX2X_NUM_TESTS; |
| info->eedump_len = bp->common.flash_size; |
| info->regdump_len = 0; |
| } |
| |
| static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| if (bp->flags & NO_WOL_FLAG) { |
| wol->supported = 0; |
| wol->wolopts = 0; |
| } else { |
| wol->supported = WAKE_MAGIC; |
| if (bp->wol) |
| wol->wolopts = WAKE_MAGIC; |
| else |
| wol->wolopts = 0; |
| } |
| memset(&wol->sopass, 0, sizeof(wol->sopass)); |
| } |
| |
| static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| if (wol->wolopts & ~WAKE_MAGIC) |
| return -EINVAL; |
| |
| if (wol->wolopts & WAKE_MAGIC) { |
| if (bp->flags & NO_WOL_FLAG) |
| return -EINVAL; |
| |
| bp->wol = 1; |
| } else |
| bp->wol = 0; |
| |
| return 0; |
| } |
| |
| static u32 bnx2x_get_msglevel(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| return bp->msglevel; |
| } |
| |
| static void bnx2x_set_msglevel(struct net_device *dev, u32 level) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| if (capable(CAP_NET_ADMIN)) |
| bp->msglevel = level; |
| } |
| |
| static int bnx2x_nway_reset(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| if (!bp->port.pmf) |
| return 0; |
| |
| if (netif_running(dev)) { |
| bnx2x_stats_handle(bp, STATS_EVENT_STOP); |
| bnx2x_link_set(bp); |
| } |
| |
| return 0; |
| } |
| |
| static int bnx2x_get_eeprom_len(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| return bp->common.flash_size; |
| } |
| |
| static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| int count, i; |
| u32 val = 0; |
| |
| /* adjust timeout for emulation/FPGA */ |
| count = NVRAM_TIMEOUT_COUNT; |
| if (CHIP_REV_IS_SLOW(bp)) |
| count *= 100; |
| |
| /* request access to nvram interface */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, |
| (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); |
| |
| for (i = 0; i < count*10; i++) { |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); |
| if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) |
| break; |
| |
| udelay(5); |
| } |
| |
| if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { |
| DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n"); |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| static int bnx2x_release_nvram_lock(struct bnx2x *bp) |
| { |
| int port = BP_PORT(bp); |
| int count, i; |
| u32 val = 0; |
| |
| /* adjust timeout for emulation/FPGA */ |
| count = NVRAM_TIMEOUT_COUNT; |
| if (CHIP_REV_IS_SLOW(bp)) |
| count *= 100; |
| |
| /* relinquish nvram interface */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, |
| (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); |
| |
| for (i = 0; i < count*10; i++) { |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); |
| if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) |
| break; |
| |
| udelay(5); |
| } |
| |
| if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { |
| DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n"); |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| static void bnx2x_enable_nvram_access(struct bnx2x *bp) |
| { |
| u32 val; |
| |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); |
| |
| /* enable both bits, even on read */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, |
| (val | MCPR_NVM_ACCESS_ENABLE_EN | |
| MCPR_NVM_ACCESS_ENABLE_WR_EN)); |
| } |
| |
| static void bnx2x_disable_nvram_access(struct bnx2x *bp) |
| { |
| u32 val; |
| |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); |
| |
| /* disable both bits, even after read */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, |
| (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | |
| MCPR_NVM_ACCESS_ENABLE_WR_EN))); |
| } |
| |
| static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val, |
| u32 cmd_flags) |
| { |
| int count, i, rc; |
| u32 val; |
| |
| /* build the command word */ |
| cmd_flags |= MCPR_NVM_COMMAND_DOIT; |
| |
| /* need to clear DONE bit separately */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); |
| |
| /* address of the NVRAM to read from */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, |
| (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); |
| |
| /* issue a read command */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); |
| |
| /* adjust timeout for emulation/FPGA */ |
| count = NVRAM_TIMEOUT_COUNT; |
| if (CHIP_REV_IS_SLOW(bp)) |
| count *= 100; |
| |
| /* wait for completion */ |
| *ret_val = 0; |
| rc = -EBUSY; |
| for (i = 0; i < count; i++) { |
| udelay(5); |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); |
| |
| if (val & MCPR_NVM_COMMAND_DONE) { |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); |
| /* we read nvram data in cpu order |
| * but ethtool sees it as an array of bytes |
| * converting to big-endian will do the work */ |
| *ret_val = cpu_to_be32(val); |
| rc = 0; |
| break; |
| } |
| } |
| |
| return rc; |
| } |
| |
| static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, |
| int buf_size) |
| { |
| int rc; |
| u32 cmd_flags; |
| __be32 val; |
| |
| if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { |
| DP(BNX2X_MSG_NVM, |
| "Invalid parameter: offset 0x%x buf_size 0x%x\n", |
| offset, buf_size); |
| return -EINVAL; |
| } |
| |
| if (offset + buf_size > bp->common.flash_size) { |
| DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" |
| " buf_size (0x%x) > flash_size (0x%x)\n", |
| offset, buf_size, bp->common.flash_size); |
| return -EINVAL; |
| } |
| |
| /* request access to nvram interface */ |
| rc = bnx2x_acquire_nvram_lock(bp); |
| if (rc) |
| return rc; |
| |
| /* enable access to nvram interface */ |
| bnx2x_enable_nvram_access(bp); |
| |
| /* read the first word(s) */ |
| cmd_flags = MCPR_NVM_COMMAND_FIRST; |
| while ((buf_size > sizeof(u32)) && (rc == 0)) { |
| rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); |
| memcpy(ret_buf, &val, 4); |
| |
| /* advance to the next dword */ |
| offset += sizeof(u32); |
| ret_buf += sizeof(u32); |
| buf_size -= sizeof(u32); |
| cmd_flags = 0; |
| } |
| |
| if (rc == 0) { |
| cmd_flags |= MCPR_NVM_COMMAND_LAST; |
| rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); |
| memcpy(ret_buf, &val, 4); |
| } |
| |
| /* disable access to nvram interface */ |
| bnx2x_disable_nvram_access(bp); |
| bnx2x_release_nvram_lock(bp); |
| |
| return rc; |
| } |
| |
| static int bnx2x_get_eeprom(struct net_device *dev, |
| struct ethtool_eeprom *eeprom, u8 *eebuf) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc; |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" |
| DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", |
| eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, |
| eeprom->len, eeprom->len); |
| |
| /* parameters already validated in ethtool_get_eeprom */ |
| |
| rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); |
| |
| return rc; |
| } |
| |
| static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, |
| u32 cmd_flags) |
| { |
| int count, i, rc; |
| |
| /* build the command word */ |
| cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; |
| |
| /* need to clear DONE bit separately */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); |
| |
| /* write the data */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); |
| |
| /* address of the NVRAM to write to */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, |
| (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); |
| |
| /* issue the write command */ |
| REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); |
| |
| /* adjust timeout for emulation/FPGA */ |
| count = NVRAM_TIMEOUT_COUNT; |
| if (CHIP_REV_IS_SLOW(bp)) |
| count *= 100; |
| |
| /* wait for completion */ |
| rc = -EBUSY; |
| for (i = 0; i < count; i++) { |
| udelay(5); |
| val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); |
| if (val & MCPR_NVM_COMMAND_DONE) { |
| rc = 0; |
| break; |
| } |
| } |
| |
| return rc; |
| } |
| |
| #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) |
| |
| static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, |
| int buf_size) |
| { |
| int rc; |
| u32 cmd_flags; |
| u32 align_offset; |
| __be32 val; |
| |
| if (offset + buf_size > bp->common.flash_size) { |
| DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" |
| " buf_size (0x%x) > flash_size (0x%x)\n", |
| offset, buf_size, bp->common.flash_size); |
| return -EINVAL; |
| } |
| |
| /* request access to nvram interface */ |
| rc = bnx2x_acquire_nvram_lock(bp); |
| if (rc) |
| return rc; |
| |
| /* enable access to nvram interface */ |
| bnx2x_enable_nvram_access(bp); |
| |
| cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); |
| align_offset = (offset & ~0x03); |
| rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags); |
| |
| if (rc == 0) { |
| val &= ~(0xff << BYTE_OFFSET(offset)); |
| val |= (*data_buf << BYTE_OFFSET(offset)); |
| |
| /* nvram data is returned as an array of bytes |
| * convert it back to cpu order */ |
| val = be32_to_cpu(val); |
| |
| rc = bnx2x_nvram_write_dword(bp, align_offset, val, |
| cmd_flags); |
| } |
| |
| /* disable access to nvram interface */ |
| bnx2x_disable_nvram_access(bp); |
| bnx2x_release_nvram_lock(bp); |
| |
| return rc; |
| } |
| |
| static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, |
| int buf_size) |
| { |
| int rc; |
| u32 cmd_flags; |
| u32 val; |
| u32 written_so_far; |
| |
| if (buf_size == 1) /* ethtool */ |
| return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); |
| |
| if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { |
| DP(BNX2X_MSG_NVM, |
| "Invalid parameter: offset 0x%x buf_size 0x%x\n", |
| offset, buf_size); |
| return -EINVAL; |
| } |
| |
| if (offset + buf_size > bp->common.flash_size) { |
| DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" |
| " buf_size (0x%x) > flash_size (0x%x)\n", |
| offset, buf_size, bp->common.flash_size); |
| return -EINVAL; |
| } |
| |
| /* request access to nvram interface */ |
| rc = bnx2x_acquire_nvram_lock(bp); |
| if (rc) |
| return rc; |
| |
| /* enable access to nvram interface */ |
| bnx2x_enable_nvram_access(bp); |
| |
| written_so_far = 0; |
| cmd_flags = MCPR_NVM_COMMAND_FIRST; |
| while ((written_so_far < buf_size) && (rc == 0)) { |
| if (written_so_far == (buf_size - sizeof(u32))) |
| cmd_flags |= MCPR_NVM_COMMAND_LAST; |
| else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0) |
| cmd_flags |= MCPR_NVM_COMMAND_LAST; |
| else if ((offset % NVRAM_PAGE_SIZE) == 0) |
| cmd_flags |= MCPR_NVM_COMMAND_FIRST; |
| |
| memcpy(&val, data_buf, 4); |
| |
| rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); |
| |
| /* advance to the next dword */ |
| offset += sizeof(u32); |
| data_buf += sizeof(u32); |
| written_so_far += sizeof(u32); |
| cmd_flags = 0; |
| } |
| |
| /* disable access to nvram interface */ |
| bnx2x_disable_nvram_access(bp); |
| bnx2x_release_nvram_lock(bp); |
| |
| return rc; |
| } |
| |
| static int bnx2x_set_eeprom(struct net_device *dev, |
| struct ethtool_eeprom *eeprom, u8 *eebuf) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc; |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" |
| DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", |
| eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, |
| eeprom->len, eeprom->len); |
| |
| /* parameters already validated in ethtool_set_eeprom */ |
| |
| /* If the magic number is PHY (0x00504859) upgrade the PHY FW */ |
| if (eeprom->magic == 0x00504859) |
| if (bp->port.pmf) { |
| |
| bnx2x_acquire_phy_lock(bp); |
| rc = bnx2x_flash_download(bp, BP_PORT(bp), |
| bp->link_params.ext_phy_config, |
| (bp->state != BNX2X_STATE_CLOSED), |
| eebuf, eeprom->len); |
| if ((bp->state == BNX2X_STATE_OPEN) || |
| (bp->state == BNX2X_STATE_DISABLED)) { |
| rc |= bnx2x_link_reset(&bp->link_params, |
| &bp->link_vars, 1); |
| rc |= bnx2x_phy_init(&bp->link_params, |
| &bp->link_vars); |
| } |
| bnx2x_release_phy_lock(bp); |
| |
| } else /* Only the PMF can access the PHY */ |
| return -EINVAL; |
| else |
| rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); |
| |
| return rc; |
| } |
| |
| static int bnx2x_get_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *coal) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| memset(coal, 0, sizeof(struct ethtool_coalesce)); |
| |
| coal->rx_coalesce_usecs = bp->rx_ticks; |
| coal->tx_coalesce_usecs = bp->tx_ticks; |
| |
| return 0; |
| } |
| |
| static int bnx2x_set_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *coal) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| bp->rx_ticks = (u16) coal->rx_coalesce_usecs; |
| if (bp->rx_ticks > 3000) |
| bp->rx_ticks = 3000; |
| |
| bp->tx_ticks = (u16) coal->tx_coalesce_usecs; |
| if (bp->tx_ticks > 0x3000) |
| bp->tx_ticks = 0x3000; |
| |
| if (netif_running(dev)) |
| bnx2x_update_coalesce(bp); |
| |
| return 0; |
| } |
| |
| static void bnx2x_get_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *ering) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| ering->rx_max_pending = MAX_RX_AVAIL; |
| ering->rx_mini_max_pending = 0; |
| ering->rx_jumbo_max_pending = 0; |
| |
| ering->rx_pending = bp->rx_ring_size; |
| ering->rx_mini_pending = 0; |
| ering->rx_jumbo_pending = 0; |
| |
| ering->tx_max_pending = MAX_TX_AVAIL; |
| ering->tx_pending = bp->tx_ring_size; |
| } |
| |
| static int bnx2x_set_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *ering) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc = 0; |
| |
| if ((ering->rx_pending > MAX_RX_AVAIL) || |
| (ering->tx_pending > MAX_TX_AVAIL) || |
| (ering->tx_pending <= MAX_SKB_FRAGS + 4)) |
| return -EINVAL; |
| |
| bp->rx_ring_size = ering->rx_pending; |
| bp->tx_ring_size = ering->tx_pending; |
| |
| if (netif_running(dev)) { |
| bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| rc = bnx2x_nic_load(bp, LOAD_NORMAL); |
| } |
| |
| return rc; |
| } |
| |
| static void bnx2x_get_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *epause) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| epause->autoneg = (bp->link_params.req_flow_ctrl == |
| BNX2X_FLOW_CTRL_AUTO) && |
| (bp->link_params.req_line_speed == SPEED_AUTO_NEG); |
| |
| epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) == |
| BNX2X_FLOW_CTRL_RX); |
| epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) == |
| BNX2X_FLOW_CTRL_TX); |
| |
| DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" |
| DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", |
| epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); |
| } |
| |
| static int bnx2x_set_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *epause) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| if (IS_E1HMF(bp)) |
| return 0; |
| |
| DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" |
| DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", |
| epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); |
| |
| bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; |
| |
| if (epause->rx_pause) |
| bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX; |
| |
| if (epause->tx_pause) |
| bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX; |
| |
| if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) |
| bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| |
| if (epause->autoneg) { |
| if (!(bp->port.supported & SUPPORTED_Autoneg)) { |
| DP(NETIF_MSG_LINK, "autoneg not supported\n"); |
| return -EINVAL; |
| } |
| |
| if (bp->link_params.req_line_speed == SPEED_AUTO_NEG) |
| bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; |
| } |
| |
| DP(NETIF_MSG_LINK, |
| "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl); |
| |
| if (netif_running(dev)) { |
| bnx2x_stats_handle(bp, STATS_EVENT_STOP); |
| bnx2x_link_set(bp); |
| } |
| |
| return 0; |
| } |
| |
| static int bnx2x_set_flags(struct net_device *dev, u32 data) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int changed = 0; |
| int rc = 0; |
| |
| /* TPA requires Rx CSUM offloading */ |
| if ((data & ETH_FLAG_LRO) && bp->rx_csum) { |
| if (!(dev->features & NETIF_F_LRO)) { |
| dev->features |= NETIF_F_LRO; |
| bp->flags |= TPA_ENABLE_FLAG; |
| changed = 1; |
| } |
| |
| } else if (dev->features & NETIF_F_LRO) { |
| dev->features &= ~NETIF_F_LRO; |
| bp->flags &= ~TPA_ENABLE_FLAG; |
| changed = 1; |
| } |
| |
| if (changed && netif_running(dev)) { |
| bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| rc = bnx2x_nic_load(bp, LOAD_NORMAL); |
| } |
| |
| return rc; |
| } |
| |
| static u32 bnx2x_get_rx_csum(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| return bp->rx_csum; |
| } |
| |
| static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc = 0; |
| |
| bp->rx_csum = data; |
| |
| /* Disable TPA, when Rx CSUM is disabled. Otherwise all |
| TPA'ed packets will be discarded due to wrong TCP CSUM */ |
| if (!data) { |
| u32 flags = ethtool_op_get_flags(dev); |
| |
| rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO)); |
| } |
| |
| return rc; |
| } |
| |
| static int bnx2x_set_tso(struct net_device *dev, u32 data) |
| { |
| if (data) { |
| dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); |
| dev->features |= NETIF_F_TSO6; |
| } else { |
| dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); |
| dev->features &= ~NETIF_F_TSO6; |
| } |
| |
| return 0; |
| } |
| |
| static const struct { |
| char string[ETH_GSTRING_LEN]; |
| } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { |
| { "register_test (offline)" }, |
| { "memory_test (offline)" }, |
| { "loopback_test (offline)" }, |
| { "nvram_test (online)" }, |
| { "interrupt_test (online)" }, |
| { "link_test (online)" }, |
| { "idle check (online)" } |
| }; |
| |
| static int bnx2x_self_test_count(struct net_device *dev) |
| { |
| return BNX2X_NUM_TESTS; |
| } |
| |
| static int bnx2x_test_registers(struct bnx2x *bp) |
| { |
| int idx, i, rc = -ENODEV; |
| u32 wr_val = 0; |
| int port = BP_PORT(bp); |
| static const struct { |
| u32 offset0; |
| u32 offset1; |
| u32 mask; |
| } reg_tbl[] = { |
| /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, |
| { DORQ_REG_DB_ADDR0, 4, 0xffffffff }, |
| { HC_REG_AGG_INT_0, 4, 0x000003ff }, |
| { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, |
| { PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, |
| { PRS_REG_CID_PORT_0, 4, 0x00ffffff }, |
| { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, |
| { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, |
| { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, |
| { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, |
| /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, |
| { QM_REG_CONNNUM_0, 4, 0x000fffff }, |
| { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, |
| { SRC_REG_KEYRSS0_0, 40, 0xffffffff }, |
| { SRC_REG_KEYRSS0_7, 40, 0xffffffff }, |
| { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, |
| { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, |
| { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, |
| { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff }, |
| { NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, |
| /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, |
| { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, |
| { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, |
| { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, |
| { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, |
| { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, |
| { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, |
| { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, |
| { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, |
| { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, |
| /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, |
| { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, |
| { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, |
| { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, |
| { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 }, |
| { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, |
| { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, |
| { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, |
| |
| { 0xffffffff, 0, 0x00000000 } |
| }; |
| |
| if (!netif_running(bp->dev)) |
| return rc; |
| |
| /* Repeat the test twice: |
| First by writing 0x00000000, second by writing 0xffffffff */ |
| for (idx = 0; idx < 2; idx++) { |
| |
| switch (idx) { |
| case 0: |
| wr_val = 0; |
| break; |
| case 1: |
| wr_val = 0xffffffff; |
| break; |
| } |
| |
| for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { |
| u32 offset, mask, save_val, val; |
| |
| offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; |
| mask = reg_tbl[i].mask; |
| |
| save_val = REG_RD(bp, offset); |
| |
| REG_WR(bp, offset, wr_val); |
| val = REG_RD(bp, offset); |
| |
| /* Restore the original register's value */ |
| REG_WR(bp, offset, save_val); |
| |
| /* verify that value is as expected value */ |
| if ((val & mask) != (wr_val & mask)) |
| goto test_reg_exit; |
| } |
| } |
| |
| rc = 0; |
| |
| test_reg_exit: |
| return rc; |
| } |
| |
| static int bnx2x_test_memory(struct bnx2x *bp) |
| { |
| int i, j, rc = -ENODEV; |
| u32 val; |
| static const struct { |
| u32 offset; |
| int size; |
| } mem_tbl[] = { |
| { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, |
| { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, |
| { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, |
| { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, |
| { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, |
| { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, |
| { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, |
| |
| { 0xffffffff, 0 } |
| }; |
| static const struct { |
| char *name; |
| u32 offset; |
| u32 e1_mask; |
| u32 e1h_mask; |
| } prty_tbl[] = { |
| { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 }, |
| { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 }, |
| { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 }, |
| { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 }, |
| { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 }, |
| { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 }, |
| |
| { NULL, 0xffffffff, 0, 0 } |
| }; |
| |
| if (!netif_running(bp->dev)) |
| return rc; |
| |
| /* Go through all the memories */ |
| for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) |
| for (j = 0; j < mem_tbl[i].size; j++) |
| REG_RD(bp, mem_tbl[i].offset + j*4); |
| |
| /* Check the parity status */ |
| for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { |
| val = REG_RD(bp, prty_tbl[i].offset); |
| if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) || |
| (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) { |
| DP(NETIF_MSG_HW, |
| "%s is 0x%x\n", prty_tbl[i].name, val); |
| goto test_mem_exit; |
| } |
| } |
| |
| rc = 0; |
| |
| test_mem_exit: |
| return rc; |
| } |
| |
| static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up) |
| { |
| int cnt = 1000; |
| |
| if (link_up) |
| while (bnx2x_link_test(bp) && cnt--) |
| msleep(10); |
| } |
| |
| static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up) |
| { |
| unsigned int pkt_size, num_pkts, i; |
| struct sk_buff *skb; |
| unsigned char *packet; |
| struct bnx2x_fastpath *fp = &bp->fp[0]; |
| u16 tx_start_idx, tx_idx; |
| u16 rx_start_idx, rx_idx; |
| u16 pkt_prod; |
| struct sw_tx_bd *tx_buf; |
| struct eth_tx_bd *tx_bd; |
| dma_addr_t mapping; |
| union eth_rx_cqe *cqe; |
| u8 cqe_fp_flags; |
| struct sw_rx_bd *rx_buf; |
| u16 len; |
| int rc = -ENODEV; |
| |
| /* check the loopback mode */ |
| switch (loopback_mode) { |
| case BNX2X_PHY_LOOPBACK: |
| if (bp->link_params.loopback_mode != LOOPBACK_XGXS_10) |
| return -EINVAL; |
| break; |
| case BNX2X_MAC_LOOPBACK: |
| bp->link_params.loopback_mode = LOOPBACK_BMAC; |
| bnx2x_phy_init(&bp->link_params, &bp->link_vars); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| /* prepare the loopback packet */ |
| pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ? |
| bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN); |
| skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); |
| if (!skb) { |
| rc = -ENOMEM; |
| goto test_loopback_exit; |
| } |
| packet = skb_put(skb, pkt_size); |
| memcpy(packet, bp->dev->dev_addr, ETH_ALEN); |
| memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN)); |
| for (i = ETH_HLEN; i < pkt_size; i++) |
| packet[i] = (unsigned char) (i & 0xff); |
| |
| /* send the loopback packet */ |
| num_pkts = 0; |
| tx_start_idx = le16_to_cpu(*fp->tx_cons_sb); |
| rx_start_idx = le16_to_cpu(*fp->rx_cons_sb); |
| |
| pkt_prod = fp->tx_pkt_prod++; |
| tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; |
| tx_buf->first_bd = fp->tx_bd_prod; |
| tx_buf->skb = skb; |
| |
| tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)]; |
| mapping = pci_map_single(bp->pdev, skb->data, |
| skb_headlen(skb), PCI_DMA_TODEVICE); |
| tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| tx_bd->nbd = cpu_to_le16(1); |
| tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); |
| tx_bd->vlan = cpu_to_le16(pkt_prod); |
| tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD | |
| ETH_TX_BD_FLAGS_END_BD); |
| tx_bd->general_data = ((UNICAST_ADDRESS << |
| ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1); |
| |
| wmb(); |
| |
| le16_add_cpu(&fp->hw_tx_prods->bds_prod, 1); |
| mb(); /* FW restriction: must not reorder writing nbd and packets */ |
| le32_add_cpu(&fp->hw_tx_prods->packets_prod, 1); |
| DOORBELL(bp, fp->index, 0); |
| |
| mmiowb(); |
| |
| num_pkts++; |
| fp->tx_bd_prod++; |
| bp->dev->trans_start = jiffies; |
| |
| udelay(100); |
| |
| tx_idx = le16_to_cpu(*fp->tx_cons_sb); |
| if (tx_idx != tx_start_idx + num_pkts) |
| goto test_loopback_exit; |
| |
| rx_idx = le16_to_cpu(*fp->rx_cons_sb); |
| if (rx_idx != rx_start_idx + num_pkts) |
| goto test_loopback_exit; |
| |
| cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)]; |
| cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; |
| if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) |
| goto test_loopback_rx_exit; |
| |
| len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); |
| if (len != pkt_size) |
| goto test_loopback_rx_exit; |
| |
| rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)]; |
| skb = rx_buf->skb; |
| skb_reserve(skb, cqe->fast_path_cqe.placement_offset); |
| for (i = ETH_HLEN; i < pkt_size; i++) |
| if (*(skb->data + i) != (unsigned char) (i & 0xff)) |
| goto test_loopback_rx_exit; |
| |
| rc = 0; |
| |
| test_loopback_rx_exit: |
| |
| fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons); |
| fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod); |
| fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons); |
| fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod); |
| |
| /* Update producers */ |
| bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod, |
| fp->rx_sge_prod); |
| |
| test_loopback_exit: |
| bp->link_params.loopback_mode = LOOPBACK_NONE; |
| |
| return rc; |
| } |
| |
| static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up) |
| { |
| int rc = 0, res; |
| |
| if (!netif_running(bp->dev)) |
| return BNX2X_LOOPBACK_FAILED; |
| |
| bnx2x_netif_stop(bp, 1); |
| bnx2x_acquire_phy_lock(bp); |
| |
| res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up); |
| if (res) { |
| DP(NETIF_MSG_PROBE, " PHY loopback failed (res %d)\n", res); |
| rc |= BNX2X_PHY_LOOPBACK_FAILED; |
| } |
| |
| res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up); |
| if (res) { |
| DP(NETIF_MSG_PROBE, " MAC loopback failed (res %d)\n", res); |
| rc |= BNX2X_MAC_LOOPBACK_FAILED; |
| } |
| |
| bnx2x_release_phy_lock(bp); |
| bnx2x_netif_start(bp); |
| |
| return rc; |
| } |
| |
| #define CRC32_RESIDUAL 0xdebb20e3 |
| |
| static int bnx2x_test_nvram(struct bnx2x *bp) |
| { |
| static const struct { |
| int offset; |
| int size; |
| } nvram_tbl[] = { |
| { 0, 0x14 }, /* bootstrap */ |
| { 0x14, 0xec }, /* dir */ |
| { 0x100, 0x350 }, /* manuf_info */ |
| { 0x450, 0xf0 }, /* feature_info */ |
| { 0x640, 0x64 }, /* upgrade_key_info */ |
| { 0x6a4, 0x64 }, |
| { 0x708, 0x70 }, /* manuf_key_info */ |
| { 0x778, 0x70 }, |
| { 0, 0 } |
| }; |
| __be32 buf[0x350 / 4]; |
| u8 *data = (u8 *)buf; |
| int i, rc; |
| u32 magic, csum; |
| |
| rc = bnx2x_nvram_read(bp, 0, data, 4); |
| if (rc) { |
| DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc); |
| goto test_nvram_exit; |
| } |
| |
| magic = be32_to_cpu(buf[0]); |
| if (magic != 0x669955aa) { |
| DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic); |
| rc = -ENODEV; |
| goto test_nvram_exit; |
| } |
| |
| for (i = 0; nvram_tbl[i].size; i++) { |
| |
| rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data, |
| nvram_tbl[i].size); |
| if (rc) { |
| DP(NETIF_MSG_PROBE, |
| "nvram_tbl[%d] read data (rc %d)\n", i, rc); |
| goto test_nvram_exit; |
| } |
| |
| csum = ether_crc_le(nvram_tbl[i].size, data); |
| if (csum != CRC32_RESIDUAL) { |
| DP(NETIF_MSG_PROBE, |
| "nvram_tbl[%d] csum value (0x%08x)\n", i, csum); |
| rc = -ENODEV; |
| goto test_nvram_exit; |
| } |
| } |
| |
| test_nvram_exit: |
| return rc; |
| } |
| |
| static int bnx2x_test_intr(struct bnx2x *bp) |
| { |
| struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); |
| int i, rc; |
| |
| if (!netif_running(bp->dev)) |
| return -ENODEV; |
| |
| config->hdr.length = 0; |
| if (CHIP_IS_E1(bp)) |
| config->hdr.offset = (BP_PORT(bp) ? 32 : 0); |
| else |
| config->hdr.offset = BP_FUNC(bp); |
| config->hdr.client_id = bp->fp->cl_id; |
| config->hdr.reserved1 = 0; |
| |
| rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, |
| U64_HI(bnx2x_sp_mapping(bp, mac_config)), |
| U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); |
| if (rc == 0) { |
| bp->set_mac_pending++; |
| for (i = 0; i < 10; i++) { |
| if (!bp->set_mac_pending) |
| break; |
| msleep_interruptible(10); |
| } |
| if (i == 10) |
| rc = -ENODEV; |
| } |
| |
| return rc; |
| } |
| |
| static void bnx2x_self_test(struct net_device *dev, |
| struct ethtool_test *etest, u64 *buf) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); |
| |
| if (!netif_running(dev)) |
| return; |
| |
| /* offline tests are not supported in MF mode */ |
| if (IS_E1HMF(bp)) |
| etest->flags &= ~ETH_TEST_FL_OFFLINE; |
| |
| if (etest->flags & ETH_TEST_FL_OFFLINE) { |
| u8 link_up; |
| |
| link_up = bp->link_vars.link_up; |
| bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| bnx2x_nic_load(bp, LOAD_DIAG); |
| /* wait until link state is restored */ |
| bnx2x_wait_for_link(bp, link_up); |
| |
| if (bnx2x_test_registers(bp) != 0) { |
| buf[0] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| if (bnx2x_test_memory(bp) != 0) { |
| buf[1] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| buf[2] = bnx2x_test_loopback(bp, link_up); |
| if (buf[2] != 0) |
| etest->flags |= ETH_TEST_FL_FAILED; |
| |
| bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| bnx2x_nic_load(bp, LOAD_NORMAL); |
| /* wait until link state is restored */ |
| bnx2x_wait_for_link(bp, link_up); |
| } |
| if (bnx2x_test_nvram(bp) != 0) { |
| buf[3] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| if (bnx2x_test_intr(bp) != 0) { |
| buf[4] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| if (bp->port.pmf) |
| if (bnx2x_link_test(bp) != 0) { |
| buf[5] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| |
| #ifdef BNX2X_EXTRA_DEBUG |
| bnx2x_panic_dump(bp); |
| #endif |
| } |
| |
| static const struct { |
| long offset; |
| int size; |
| u8 string[ETH_GSTRING_LEN]; |
| } bnx2x_q_stats_arr[BNX2X_NUM_Q_STATS] = { |
| /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%d]: rx_bytes" }, |
| { Q_STATS_OFFSET32(error_bytes_received_hi), |
| 8, "[%d]: rx_error_bytes" }, |
| { Q_STATS_OFFSET32(total_unicast_packets_received_hi), |
| 8, "[%d]: rx_ucast_packets" }, |
| { Q_STATS_OFFSET32(total_multicast_packets_received_hi), |
| 8, "[%d]: rx_mcast_packets" }, |
| { Q_STATS_OFFSET32(total_broadcast_packets_received_hi), |
| 8, "[%d]: rx_bcast_packets" }, |
| { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%d]: rx_discards" }, |
| { Q_STATS_OFFSET32(rx_err_discard_pkt), |
| 4, "[%d]: rx_phy_ip_err_discards"}, |
| { Q_STATS_OFFSET32(rx_skb_alloc_failed), |
| 4, "[%d]: rx_skb_alloc_discard" }, |
| { Q_STATS_OFFSET32(hw_csum_err), 4, "[%d]: rx_csum_offload_errors" }, |
| |
| /* 10 */{ Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%d]: tx_bytes" }, |
| { Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi), |
| 8, "[%d]: tx_packets" } |
| }; |
| |
| static const struct { |
| long offset; |
| int size; |
| u32 flags; |
| #define STATS_FLAGS_PORT 1 |
| #define STATS_FLAGS_FUNC 2 |
| #define STATS_FLAGS_BOTH (STATS_FLAGS_FUNC | STATS_FLAGS_PORT) |
| u8 string[ETH_GSTRING_LEN]; |
| } bnx2x_stats_arr[BNX2X_NUM_STATS] = { |
| /* 1 */ { STATS_OFFSET32(total_bytes_received_hi), |
| 8, STATS_FLAGS_BOTH, "rx_bytes" }, |
| { STATS_OFFSET32(error_bytes_received_hi), |
| 8, STATS_FLAGS_BOTH, "rx_error_bytes" }, |
| { STATS_OFFSET32(total_unicast_packets_received_hi), |
| 8, STATS_FLAGS_BOTH, "rx_ucast_packets" }, |
| { STATS_OFFSET32(total_multicast_packets_received_hi), |
| 8, STATS_FLAGS_BOTH, "rx_mcast_packets" }, |
| { STATS_OFFSET32(total_broadcast_packets_received_hi), |
| 8, STATS_FLAGS_BOTH, "rx_bcast_packets" }, |
| { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi), |
| 8, STATS_FLAGS_PORT, "rx_crc_errors" }, |
| { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi), |
| 8, STATS_FLAGS_PORT, "rx_align_errors" }, |
| { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi), |
| 8, STATS_FLAGS_PORT, "rx_undersize_packets" }, |
| { STATS_OFFSET32(etherstatsoverrsizepkts_hi), |
| 8, STATS_FLAGS_PORT, "rx_oversize_packets" }, |
| /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi), |
| 8, STATS_FLAGS_PORT, "rx_fragments" }, |
| { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), |
| 8, STATS_FLAGS_PORT, "rx_jabbers" }, |
| { STATS_OFFSET32(no_buff_discard_hi), |
| 8, STATS_FLAGS_BOTH, "rx_discards" }, |
| { STATS_OFFSET32(mac_filter_discard), |
| 4, STATS_FLAGS_PORT, "rx_filtered_packets" }, |
| { STATS_OFFSET32(xxoverflow_discard), |
| 4, STATS_FLAGS_PORT, "rx_fw_discards" }, |
| { STATS_OFFSET32(brb_drop_hi), |
| 8, STATS_FLAGS_PORT, "rx_brb_discard" }, |
| { STATS_OFFSET32(brb_truncate_hi), |
| 8, STATS_FLAGS_PORT, "rx_brb_truncate" }, |
| { STATS_OFFSET32(pause_frames_received_hi), |
| 8, STATS_FLAGS_PORT, "rx_pause_frames" }, |
| { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi), |
| 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" }, |
| { STATS_OFFSET32(nig_timer_max), |
| 4, STATS_FLAGS_PORT, "rx_constant_pause_events" }, |
| /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt), |
| 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"}, |
| { STATS_OFFSET32(rx_skb_alloc_failed), |
| 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" }, |
| { STATS_OFFSET32(hw_csum_err), |
| 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" }, |
| |
| { STATS_OFFSET32(total_bytes_transmitted_hi), |
| 8, STATS_FLAGS_BOTH, "tx_bytes" }, |
| { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), |
| 8, STATS_FLAGS_PORT, "tx_error_bytes" }, |
| { STATS_OFFSET32(total_unicast_packets_transmitted_hi), |
| 8, STATS_FLAGS_BOTH, "tx_packets" }, |
| { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi), |
| 8, STATS_FLAGS_PORT, "tx_mac_errors" }, |
| { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi), |
| 8, STATS_FLAGS_PORT, "tx_carrier_errors" }, |
| { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi), |
| 8, STATS_FLAGS_PORT, "tx_single_collisions" }, |
| { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi), |
| 8, STATS_FLAGS_PORT, "tx_multi_collisions" }, |
| /* 30 */{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi), |
| 8, STATS_FLAGS_PORT, "tx_deferred" }, |
| { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi), |
| 8, STATS_FLAGS_PORT, "tx_excess_collisions" }, |
| { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi), |
| 8, STATS_FLAGS_PORT, "tx_late_collisions" }, |
| { STATS_OFFSET32(tx_stat_etherstatscollisions_hi), |
| 8, STATS_FLAGS_PORT, "tx_total_collisions" }, |
| { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_64_byte_packets" }, |
| { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" }, |
| { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" }, |
| { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" }, |
| { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" }, |
| { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" }, |
| /* 40 */{ STATS_OFFSET32(etherstatspktsover1522octets_hi), |
| 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" }, |
| { STATS_OFFSET32(pause_frames_sent_hi), |
| 8, STATS_FLAGS_PORT, "tx_pause_frames" } |
| }; |
| |
| #define IS_PORT_STAT(i) \ |
| ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT) |
| #define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC) |
| #define IS_E1HMF_MODE_STAT(bp) \ |
| (IS_E1HMF(bp) && !(bp->msglevel & BNX2X_MSG_STATS)) |
| |
| static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int i, j, k; |
| |
| switch (stringset) { |
| case ETH_SS_STATS: |
| if (is_multi(bp)) { |
| k = 0; |
| for_each_queue(bp, i) { |
| for (j = 0; j < BNX2X_NUM_Q_STATS; j++) |
| sprintf(buf + (k + j)*ETH_GSTRING_LEN, |
| bnx2x_q_stats_arr[j].string, i); |
| k += BNX2X_NUM_Q_STATS; |
| } |
| if (IS_E1HMF_MODE_STAT(bp)) |
| break; |
| for (j = 0; j < BNX2X_NUM_STATS; j++) |
| strcpy(buf + (k + j)*ETH_GSTRING_LEN, |
| bnx2x_stats_arr[j].string); |
| } else { |
| for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { |
| if (IS_E1HMF_MODE_STAT(bp) && IS_PORT_STAT(i)) |
| continue; |
| strcpy(buf + j*ETH_GSTRING_LEN, |
| bnx2x_stats_arr[i].string); |
| j++; |
| } |
| } |
| break; |
| |
| case ETH_SS_TEST: |
| memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr)); |
| break; |
| } |
| } |
| |
| static int bnx2x_get_stats_count(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int i, num_stats; |
| |
| if (is_multi(bp)) { |
| num_stats = BNX2X_NUM_Q_STATS * BNX2X_NUM_QUEUES(bp); |
| if (!IS_E1HMF_MODE_STAT(bp)) |
| num_stats += BNX2X_NUM_STATS; |
| } else { |
| if (IS_E1HMF_MODE_STAT(bp)) { |
| num_stats = 0; |
| for (i = 0; i < BNX2X_NUM_STATS; i++) |
| if (IS_FUNC_STAT(i)) |
| num_stats++; |
| } else |
| num_stats = BNX2X_NUM_STATS; |
| } |
| |
| return num_stats; |
| } |
| |
| static void bnx2x_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, u64 *buf) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| u32 *hw_stats, *offset; |
| int i, j, k; |
| |
| if (is_multi(bp)) { |
| k = 0; |
| for_each_queue(bp, i) { |
| hw_stats = (u32 *)&bp->fp[i].eth_q_stats; |
| for (j = 0; j < BNX2X_NUM_Q_STATS; j++) { |
| if (bnx2x_q_stats_arr[j].size == 0) { |
| /* skip this counter */ |
| buf[k + j] = 0; |
| continue; |
| } |
| offset = (hw_stats + |
| bnx2x_q_stats_arr[j].offset); |
| if (bnx2x_q_stats_arr[j].size == 4) { |
| /* 4-byte counter */ |
| buf[k + j] = (u64) *offset; |
| continue; |
| } |
| /* 8-byte counter */ |
| buf[k + j] = HILO_U64(*offset, *(offset + 1)); |
| } |
| k += BNX2X_NUM_Q_STATS; |
| } |
| if (IS_E1HMF_MODE_STAT(bp)) |
| return; |
| hw_stats = (u32 *)&bp->eth_stats; |
| for (j = 0; j < BNX2X_NUM_STATS; j++) { |
| if (bnx2x_stats_arr[j].size == 0) { |
| /* skip this counter */ |
| buf[k + j] = 0; |
| continue; |
| } |
| offset = (hw_stats + bnx2x_stats_arr[j].offset); |
| if (bnx2x_stats_arr[j].size == 4) { |
| /* 4-byte counter */ |
| buf[k + j] = (u64) *offset; |
| continue; |
| } |
| /* 8-byte counter */ |
| buf[k + j] = HILO_U64(*offset, *(offset + 1)); |
| } |
| } else { |
| hw_stats = (u32 *)&bp->eth_stats; |
| for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { |
| if (IS_E1HMF_MODE_STAT(bp) && IS_PORT_STAT(i)) |
| continue; |
| if (bnx2x_stats_arr[i].size == 0) { |
| /* skip this counter */ |
| buf[j] = 0; |
| j++; |
| continue; |
| } |
| offset = (hw_stats + bnx2x_stats_arr[i].offset); |
| if (bnx2x_stats_arr[i].size == 4) { |
| /* 4-byte counter */ |
| buf[j] = (u64) *offset; |
| j++; |
| continue; |
| } |
| /* 8-byte counter */ |
| buf[j] = HILO_U64(*offset, *(offset + 1)); |
| j++; |
| } |
| } |
| } |
| |
| static int bnx2x_phys_id(struct net_device *dev, u32 data) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int port = BP_PORT(bp); |
| int i; |
| |
| if (!netif_running(dev)) |
| return 0; |
| |
| if (!bp->port.pmf) |
| return 0; |
| |
| if (data == 0) |
| data = 2; |
| |
| for (i = 0; i < (data * 2); i++) { |
| if ((i % 2) == 0) |
| bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000, |
| bp->link_params.hw_led_mode, |
| bp->link_params.chip_id); |
| else |
| bnx2x_set_led(bp, port, LED_MODE_OFF, 0, |
| bp->link_params.hw_led_mode, |
| bp->link_params.chip_id); |
| |
| msleep_interruptible(500); |
| if (signal_pending(current)) |
| break; |
| } |
| |
| if (bp->link_vars.link_up) |
| bnx2x_set_led(bp, port, LED_MODE_OPER, |
| bp->link_vars.line_speed, |
| bp->link_params.hw_led_mode, |
| bp->link_params.chip_id); |
| |
| return 0; |
| } |
| |
| static struct ethtool_ops bnx2x_ethtool_ops = { |
| .get_settings = bnx2x_get_settings, |
| .set_settings = bnx2x_set_settings, |
| .get_drvinfo = bnx2x_get_drvinfo, |
| .get_wol = bnx2x_get_wol, |
| .set_wol = bnx2x_set_wol, |
| .get_msglevel = bnx2x_get_msglevel, |
| .set_msglevel = bnx2x_set_msglevel, |
| .nway_reset = bnx2x_nway_reset, |
| .get_link = ethtool_op_get_link, |
| .get_eeprom_len = bnx2x_get_eeprom_len, |
| .get_eeprom = bnx2x_get_eeprom, |
| .set_eeprom = bnx2x_set_eeprom, |
| .get_coalesce = bnx2x_get_coalesce, |
| .set_coalesce = bnx2x_set_coalesce, |
| .get_ringparam = bnx2x_get_ringparam, |
| .set_ringparam = bnx2x_set_ringparam, |
| .get_pauseparam = bnx2x_get_pauseparam, |
| .set_pauseparam = bnx2x_set_pauseparam, |
| .get_rx_csum = bnx2x_get_rx_csum, |
| .set_rx_csum = bnx2x_set_rx_csum, |
| .get_tx_csum = ethtool_op_get_tx_csum, |
| .set_tx_csum = ethtool_op_set_tx_hw_csum, |
| .set_flags = bnx2x_set_flags, |
| .get_flags = ethtool_op_get_flags, |
| .get_sg = ethtool_op_get_sg, |
| .set_sg = ethtool_op_set_sg, |
| .get_tso = ethtool_op_get_tso, |
| .set_tso = bnx2x_set_tso, |
| .self_test_count = bnx2x_self_test_count, |
| .self_test = bnx2x_self_test, |
| .get_strings = bnx2x_get_strings, |
| .phys_id = bnx2x_phys_id, |
| .get_stats_count = bnx2x_get_stats_count, |
| .get_ethtool_stats = bnx2x_get_ethtool_stats, |
| }; |
| |
| /* end of ethtool_ops */ |
| |
| /**************************************************************************** |
| * General service functions |
| ****************************************************************************/ |
| |
| static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) |
| { |
| u16 pmcsr; |
| |
| pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); |
| |
| switch (state) { |
| case PCI_D0: |
| pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, |
| ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | |
| PCI_PM_CTRL_PME_STATUS)); |
| |
| if (pmcsr & PCI_PM_CTRL_STATE_MASK) |
| /* delay required during transition out of D3hot */ |
| msleep(20); |
| break; |
| |
| case PCI_D3hot: |
| pmcsr &= ~PCI_PM_CTRL_STATE_MASK; |
| pmcsr |= 3; |
| |
| if (bp->wol) |
| pmcsr |= PCI_PM_CTRL_PME_ENABLE; |
| |
| pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, |
| pmcsr); |
| |
| /* No more memory access after this point until |
| * device is brought back to D0. |
| */ |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) |
| { |
| u16 rx_cons_sb; |
| |
| /* Tell compiler that status block fields can change */ |
| barrier(); |
| rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); |
| if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) |
| rx_cons_sb++; |
| return (fp->rx_comp_cons != rx_cons_sb); |
| } |
| |
| /* |
| * net_device service functions |
| */ |
| |
| static int bnx2x_poll(struct napi_struct *napi, int budget) |
| { |
| struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, |
| napi); |
| struct bnx2x *bp = fp->bp; |
| int work_done = 0; |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| goto poll_panic; |
| #endif |
| |
| prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb); |
| prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb); |
| prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256); |
| |
| bnx2x_update_fpsb_idx(fp); |
| |
| if (bnx2x_has_tx_work(fp)) |
| bnx2x_tx_int(fp); |
| |
| if (bnx2x_has_rx_work(fp)) { |
| work_done = bnx2x_rx_int(fp, budget); |
| |
| /* must not complete if we consumed full budget */ |
| if (work_done >= budget) |
| goto poll_again; |
| } |
| |
| /* BNX2X_HAS_WORK() reads the status block, thus we need to |
| * ensure that status block indices have been actually read |
| * (bnx2x_update_fpsb_idx) prior to this check (BNX2X_HAS_WORK) |
| * so that we won't write the "newer" value of the status block to IGU |
| * (if there was a DMA right after BNX2X_HAS_WORK and |
| * if there is no rmb, the memory reading (bnx2x_update_fpsb_idx) |
| * may be postponed to right before bnx2x_ack_sb). In this case |
| * there will never be another interrupt until there is another update |
| * of the status block, while there is still unhandled work. |
| */ |
| rmb(); |
| |
| if (!BNX2X_HAS_WORK(fp)) { |
| #ifdef BNX2X_STOP_ON_ERROR |
| poll_panic: |
| #endif |
| napi_complete(napi); |
| |
| bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID, |
| le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1); |
| bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID, |
| le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1); |
| } |
| |
| poll_again: |
| return work_done; |
| } |
| |
| |
| /* we split the first BD into headers and data BDs |
| * to ease the pain of our fellow microcode engineers |
| * we use one mapping for both BDs |
| * So far this has only been observed to happen |
| * in Other Operating Systems(TM) |
| */ |
| static noinline u16 bnx2x_tx_split(struct bnx2x *bp, |
| struct bnx2x_fastpath *fp, |
| struct eth_tx_bd **tx_bd, u16 hlen, |
| u16 bd_prod, int nbd) |
| { |
| struct eth_tx_bd *h_tx_bd = *tx_bd; |
| struct eth_tx_bd *d_tx_bd; |
| dma_addr_t mapping; |
| int old_len = le16_to_cpu(h_tx_bd->nbytes); |
| |
| /* first fix first BD */ |
| h_tx_bd->nbd = cpu_to_le16(nbd); |
| h_tx_bd->nbytes = cpu_to_le16(hlen); |
| |
| DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d " |
| "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi, |
| h_tx_bd->addr_lo, h_tx_bd->nbd); |
| |
| /* now get a new data BD |
| * (after the pbd) and fill it */ |
| bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); |
| d_tx_bd = &fp->tx_desc_ring[bd_prod]; |
| |
| mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi), |
| le32_to_cpu(h_tx_bd->addr_lo)) + hlen; |
| |
| d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| d_tx_bd->nbytes = cpu_to_le16(old_len - hlen); |
| d_tx_bd->vlan = 0; |
| /* this marks the BD as one that has no individual mapping |
| * the FW ignores this flag in a BD not marked start |
| */ |
| d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; |
| DP(NETIF_MSG_TX_QUEUED, |
| "TSO split data size is %d (%x:%x)\n", |
| d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo); |
| |
| /* update tx_bd for marking the last BD flag */ |
| *tx_bd = d_tx_bd; |
| |
| return bd_prod; |
| } |
| |
| static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix) |
| { |
| if (fix > 0) |
| csum = (u16) ~csum_fold(csum_sub(csum, |
| csum_partial(t_header - fix, fix, 0))); |
| |
| else if (fix < 0) |
| csum = (u16) ~csum_fold(csum_add(csum, |
| csum_partial(t_header, -fix, 0))); |
| |
| return swab16(csum); |
| } |
| |
| static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) |
| { |
| u32 rc; |
| |
| if (skb->ip_summed != CHECKSUM_PARTIAL) |
| rc = XMIT_PLAIN; |
| |
| else { |
| if (skb->protocol == htons(ETH_P_IPV6)) { |
| rc = XMIT_CSUM_V6; |
| if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) |
| rc |= XMIT_CSUM_TCP; |
| |
| } else { |
| rc = XMIT_CSUM_V4; |
| if (ip_hdr(skb)->protocol == IPPROTO_TCP) |
| rc |= XMIT_CSUM_TCP; |
| } |
| } |
| |
| if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) |
| rc |= XMIT_GSO_V4; |
| |
| else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) |
| rc |= XMIT_GSO_V6; |
| |
| return rc; |
| } |
| |
| #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) |
| /* check if packet requires linearization (packet is too fragmented) |
| no need to check fragmentation if page size > 8K (there will be no |
| violation to FW restrictions) */ |
| static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, |
| u32 xmit_type) |
| { |
| int to_copy = 0; |
| int hlen = 0; |
| int first_bd_sz = 0; |
| |
| /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ |
| if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) { |
| |
| if (xmit_type & XMIT_GSO) { |
| unsigned short lso_mss = skb_shinfo(skb)->gso_size; |
| /* Check if LSO packet needs to be copied: |
| 3 = 1 (for headers BD) + 2 (for PBD and last BD) */ |
| int wnd_size = MAX_FETCH_BD - 3; |
| /* Number of windows to check */ |
| int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size; |
| int wnd_idx = 0; |
| int frag_idx = 0; |
| u32 wnd_sum = 0; |
| |
| /* Headers length */ |
| hlen = (int)(skb_transport_header(skb) - skb->data) + |
| tcp_hdrlen(skb); |
| |
| /* Amount of data (w/o headers) on linear part of SKB*/ |
| first_bd_sz = skb_headlen(skb) - hlen; |
| |
| wnd_sum = first_bd_sz; |
| |
| /* Calculate the first sum - it's special */ |
| for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++) |
| wnd_sum += |
| skb_shinfo(skb)->frags[frag_idx].size; |
| |
| /* If there was data on linear skb data - check it */ |
| if (first_bd_sz > 0) { |
| if (unlikely(wnd_sum < lso_mss)) { |
| to_copy = 1; |
| goto exit_lbl; |
| } |
| |
| wnd_sum -= first_bd_sz; |
| } |
| |
| /* Others are easier: run through the frag list and |
| check all windows */ |
| for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) { |
| wnd_sum += |
| skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size; |
| |
| if (unlikely(wnd_sum < lso_mss)) { |
| to_copy = 1; |
| break; |
| } |
| wnd_sum -= |
| skb_shinfo(skb)->frags[wnd_idx].size; |
| } |
| } else { |
| /* in non-LSO too fragmented packet should always |
| be linearized */ |
| to_copy = 1; |
| } |
| } |
| |
| exit_lbl: |
| if (unlikely(to_copy)) |
| DP(NETIF_MSG_TX_QUEUED, |
| "Linearization IS REQUIRED for %s packet. " |
| "num_frags %d hlen %d first_bd_sz %d\n", |
| (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO", |
| skb_shinfo(skb)->nr_frags, hlen, first_bd_sz); |
| |
| return to_copy; |
| } |
| #endif |
| |
| /* called with netif_tx_lock |
| * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call |
| * netif_wake_queue() |
| */ |
| static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| struct bnx2x_fastpath *fp; |
| struct netdev_queue *txq; |
| struct sw_tx_bd *tx_buf; |
| struct eth_tx_bd *tx_bd; |
| struct eth_tx_parse_bd *pbd = NULL; |
| u16 pkt_prod, bd_prod; |
| int nbd, fp_index; |
| dma_addr_t mapping; |
| u32 xmit_type = bnx2x_xmit_type(bp, skb); |
| int vlan_off = (bp->e1hov ? 4 : 0); |
| int i; |
| u8 hlen = 0; |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (unlikely(bp->panic)) |
| return NETDEV_TX_BUSY; |
| #endif |
| |
| fp_index = skb_get_queue_mapping(skb); |
| txq = netdev_get_tx_queue(dev, fp_index); |
| |
| fp = &bp->fp[fp_index]; |
| |
| if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) { |
| fp->eth_q_stats.driver_xoff++, |
| netif_tx_stop_queue(txq); |
| BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); |
| return NETDEV_TX_BUSY; |
| } |
| |
| DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)" |
| " gso type %x xmit_type %x\n", |
| skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, |
| ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type); |
| |
| #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) |
| /* First, check if we need to linearize the skb (due to FW |
| restrictions). No need to check fragmentation if page size > 8K |
| (there will be no violation to FW restrictions) */ |
| if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) { |
| /* Statistics of linearization */ |
| bp->lin_cnt++; |
| if (skb_linearize(skb) != 0) { |
| DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - " |
| "silently dropping this SKB\n"); |
| dev_kfree_skb_any(skb); |
| return NETDEV_TX_OK; |
| } |
| } |
| #endif |
| |
| /* |
| Please read carefully. First we use one BD which we mark as start, |
| then for TSO or xsum we have a parsing info BD, |
| and only then we have the rest of the TSO BDs. |
| (don't forget to mark the last one as last, |
| and to unmap only AFTER you write to the BD ...) |
| And above all, all pdb sizes are in words - NOT DWORDS! |
| */ |
| |
| pkt_prod = fp->tx_pkt_prod++; |
| bd_prod = TX_BD(fp->tx_bd_prod); |
| |
| /* get a tx_buf and first BD */ |
| tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; |
| tx_bd = &fp->tx_desc_ring[bd_prod]; |
| |
| tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; |
| tx_bd->general_data = (UNICAST_ADDRESS << |
| ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); |
| /* header nbd */ |
| tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT); |
| |
| /* remember the first BD of the packet */ |
| tx_buf->first_bd = fp->tx_bd_prod; |
| tx_buf->skb = skb; |
| |
| DP(NETIF_MSG_TX_QUEUED, |
| "sending pkt %u @%p next_idx %u bd %u @%p\n", |
| pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd); |
| |
| #ifdef BCM_VLAN |
| if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb) && |
| (bp->flags & HW_VLAN_TX_FLAG)) { |
| tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); |
| tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; |
| vlan_off += 4; |
| } else |
| #endif |
| tx_bd->vlan = cpu_to_le16(pkt_prod); |
| |
| if (xmit_type) { |
| /* turn on parsing and get a BD */ |
| bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); |
| pbd = (void *)&fp->tx_desc_ring[bd_prod]; |
| |
| memset(pbd, 0, sizeof(struct eth_tx_parse_bd)); |
| } |
| |
| if (xmit_type & XMIT_CSUM) { |
| hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2; |
| |
| /* for now NS flag is not used in Linux */ |
| pbd->global_data = |
| (hlen | ((skb->protocol == cpu_to_be16(ETH_P_8021Q)) << |
| ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); |
| |
| pbd->ip_hlen = (skb_transport_header(skb) - |
| skb_network_header(skb)) / 2; |
| |
| hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2; |
| |
| pbd->total_hlen = cpu_to_le16(hlen); |
| hlen = hlen*2 - vlan_off; |
| |
| tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM; |
| |
| if (xmit_type & XMIT_CSUM_V4) |
| tx_bd->bd_flags.as_bitfield |= |
| ETH_TX_BD_FLAGS_IP_CSUM; |
| else |
| tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6; |
| |
| if (xmit_type & XMIT_CSUM_TCP) { |
| pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check); |
| |
| } else { |
| s8 fix = SKB_CS_OFF(skb); /* signed! */ |
| |
| pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG; |
| pbd->cs_offset = fix / 2; |
| |
| DP(NETIF_MSG_TX_QUEUED, |
| "hlen %d offset %d fix %d csum before fix %x\n", |
| le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix, |
| SKB_CS(skb)); |
| |
| /* HW bug: fixup the CSUM */ |
| pbd->tcp_pseudo_csum = |
| bnx2x_csum_fix(skb_transport_header(skb), |
| SKB_CS(skb), fix); |
| |
| DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n", |
| pbd->tcp_pseudo_csum); |
| } |
| } |
| |
| mapping = pci_map_single(bp->pdev, skb->data, |
| skb_headlen(skb), PCI_DMA_TODEVICE); |
| |
| tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2); |
| tx_bd->nbd = cpu_to_le16(nbd); |
| tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); |
| |
| DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" |
| " nbytes %d flags %x vlan %x\n", |
| tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd), |
| le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield, |
| le16_to_cpu(tx_bd->vlan)); |
| |
| if (xmit_type & XMIT_GSO) { |
| |
| DP(NETIF_MSG_TX_QUEUED, |
| "TSO packet len %d hlen %d total len %d tso size %d\n", |
| skb->len, hlen, skb_headlen(skb), |
| skb_shinfo(skb)->gso_size); |
| |
| tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; |
| |
| if (unlikely(skb_headlen(skb) > hlen)) |
| bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen, |
| bd_prod, ++nbd); |
| |
| pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); |
| pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); |
| pbd->tcp_flags = pbd_tcp_flags(skb); |
| |
| if (xmit_type & XMIT_GSO_V4) { |
| pbd->ip_id = swab16(ip_hdr(skb)->id); |
| pbd->tcp_pseudo_csum = |
| swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr, |
| ip_hdr(skb)->daddr, |
| 0, IPPROTO_TCP, 0)); |
| |
| } else |
| pbd->tcp_pseudo_csum = |
| swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, |
| &ipv6_hdr(skb)->daddr, |
| 0, IPPROTO_TCP, 0)); |
| |
| pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN; |
| } |
| |
| for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| |
| bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); |
| tx_bd = &fp->tx_desc_ring[bd_prod]; |
| |
| mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset, |
| frag->size, PCI_DMA_TODEVICE); |
| |
| tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| tx_bd->nbytes = cpu_to_le16(frag->size); |
| tx_bd->vlan = cpu_to_le16(pkt_prod); |
| tx_bd->bd_flags.as_bitfield = 0; |
| |
| DP(NETIF_MSG_TX_QUEUED, |
| "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n", |
| i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, |
| le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield); |
| } |
| |
| /* now at last mark the BD as the last BD */ |
| tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD; |
| |
| DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n", |
| tx_bd, tx_bd->bd_flags.as_bitfield); |
| |
| bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); |
| |
| /* now send a tx doorbell, counting the next BD |
| * if the packet contains or ends with it |
| */ |
| if (TX_BD_POFF(bd_prod) < nbd) |
| nbd++; |
| |
| if (pbd) |
| DP(NETIF_MSG_TX_QUEUED, |
| "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u" |
| " tcp_flags %x xsum %x seq %u hlen %u\n", |
| pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id, |
| pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum, |
| pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen)); |
| |
| DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod); |
| |
| /* |
| * Make sure that the BD data is updated before updating the producer |
| * since FW might read the BD right after the producer is updated. |
| * This is only applicable for weak-ordered memory model archs such |
| * as IA-64. The following barrier is also mandatory since FW will |
| * assumes packets must have BDs. |
| */ |
| wmb(); |
| |
| le16_add_cpu(&fp->hw_tx_prods->bds_prod, nbd); |
| mb(); /* FW restriction: must not reorder writing nbd and packets */ |
| le32_add_cpu(&fp->hw_tx_prods->packets_prod, 1); |
| DOORBELL(bp, fp->index, 0); |
| |
| mmiowb(); |
| |
| fp->tx_bd_prod += nbd; |
| dev->trans_start = jiffies; |
| |
| if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { |
| /* We want bnx2x_tx_int to "see" the updated tx_bd_prod |
| if we put Tx into XOFF state. */ |
| smp_mb(); |
| netif_tx_stop_queue(txq); |
| fp->eth_q_stats.driver_xoff++; |
| if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) |
| netif_tx_wake_queue(txq); |
| } |
| fp->tx_pkt++; |
| |
| return NETDEV_TX_OK; |
| } |
| |
| /* called with rtnl_lock */ |
| static int bnx2x_open(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| netif_carrier_off(dev); |
| |
| bnx2x_set_power_state(bp, PCI_D0); |
| |
| return bnx2x_nic_load(bp, LOAD_OPEN); |
| } |
| |
| /* called with rtnl_lock */ |
| static int bnx2x_close(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| /* Unload the driver, release IRQs */ |
| bnx2x_nic_unload(bp, UNLOAD_CLOSE); |
| if (atomic_read(&bp->pdev->enable_cnt) == 1) |
| if (!CHIP_REV_IS_SLOW(bp)) |
| bnx2x_set_power_state(bp, PCI_D3hot); |
| |
| return 0; |
| } |
| |
| /* called with netif_tx_lock from dev_mcast.c */ |
| static void bnx2x_set_rx_mode(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| u32 rx_mode = BNX2X_RX_MODE_NORMAL; |
| int port = BP_PORT(bp); |
| |
| if (bp->state != BNX2X_STATE_OPEN) { |
| DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); |
| return; |
| } |
| |
| DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); |
| |
| if (dev->flags & IFF_PROMISC) |
| rx_mode = BNX2X_RX_MODE_PROMISC; |
| |
| else if ((dev->flags & IFF_ALLMULTI) || |
| ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp))) |
| rx_mode = BNX2X_RX_MODE_ALLMULTI; |
| |
| else { /* some multicasts */ |
| if (CHIP_IS_E1(bp)) { |
| int i, old, offset; |
| struct dev_mc_list *mclist; |
| struct mac_configuration_cmd *config = |
| bnx2x_sp(bp, mcast_config); |
| |
| for (i = 0, mclist = dev->mc_list; |
| mclist && (i < dev->mc_count); |
| i++, mclist = mclist->next) { |
| |
| config->config_table[i]. |
| cam_entry.msb_mac_addr = |
| swab16(*(u16 *)&mclist->dmi_addr[0]); |
| config->config_table[i]. |
| cam_entry.middle_mac_addr = |
| swab16(*(u16 *)&mclist->dmi_addr[2]); |
| config->config_table[i]. |
| cam_entry.lsb_mac_addr = |
| swab16(*(u16 *)&mclist->dmi_addr[4]); |
| config->config_table[i].cam_entry.flags = |
| cpu_to_le16(port); |
| config->config_table[i]. |
| target_table_entry.flags = 0; |
| config->config_table[i]. |
| target_table_entry.client_id = 0; |
| config->config_table[i]. |
| target_table_entry.vlan_id = 0; |
| |
| DP(NETIF_MSG_IFUP, |
| "setting MCAST[%d] (%04x:%04x:%04x)\n", i, |
| config->config_table[i]. |
| cam_entry.msb_mac_addr, |
| config->config_table[i]. |
| cam_entry.middle_mac_addr, |
| config->config_table[i]. |
| cam_entry.lsb_mac_addr); |
| } |
| old = config->hdr.length; |
| if (old > i) { |
| for (; i < old; i++) { |
| if (CAM_IS_INVALID(config-> |
| config_table[i])) { |
| /* already invalidated */ |
| break; |
| } |
| /* invalidate */ |
| CAM_INVALIDATE(config-> |
| config_table[i]); |
| } |
| } |
| |
| if (CHIP_REV_IS_SLOW(bp)) |
| offset = BNX2X_MAX_EMUL_MULTI*(1 + port); |
| else |
| offset = BNX2X_MAX_MULTICAST*(1 + port); |
| |
| config->hdr.length = i; |
| config->hdr.offset = offset; |
| config->hdr.client_id = bp->fp->cl_id; |
| config->hdr.reserved1 = 0; |
| |
| bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, |
| U64_HI(bnx2x_sp_mapping(bp, mcast_config)), |
| U64_LO(bnx2x_sp_mapping(bp, mcast_config)), |
| 0); |
| } else { /* E1H */ |
| /* Accept one or more multicasts */ |
| struct dev_mc_list *mclist; |
| u32 mc_filter[MC_HASH_SIZE]; |
| u32 crc, bit, regidx; |
| int i; |
| |
| memset(mc_filter, 0, 4 * MC_HASH_SIZE); |
| |
| for (i = 0, mclist = dev->mc_list; |
| mclist && (i < dev->mc_count); |
| i++, mclist = mclist->next) { |
| |
| DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", |
| mclist->dmi_addr); |
| |
| crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN); |
| bit = (crc >> 24) & 0xff; |
| regidx = bit >> 5; |
| bit &= 0x1f; |
| mc_filter[regidx] |= (1 << bit); |
| } |
| |
| for (i = 0; i < MC_HASH_SIZE; i++) |
| REG_WR(bp, MC_HASH_OFFSET(bp, i), |
| mc_filter[i]); |
| } |
| } |
| |
| bp->rx_mode = rx_mode; |
| bnx2x_set_storm_rx_mode(bp); |
| } |
| |
| /* called with rtnl_lock */ |
| static int bnx2x_change_mac_addr(struct net_device *dev, void *p) |
| { |
| struct sockaddr *addr = p; |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| if (!is_valid_ether_addr((u8 *)(addr->sa_data))) |
| return -EINVAL; |
| |
| memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| if (netif_running(dev)) { |
| if (CHIP_IS_E1(bp)) |
| bnx2x_set_mac_addr_e1(bp, 1); |
| else |
| bnx2x_set_mac_addr_e1h(bp, 1); |
| } |
| |
| return 0; |
| } |
| |
| /* called with rtnl_lock */ |
| static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| { |
| struct mii_ioctl_data *data = if_mii(ifr); |
| struct bnx2x *bp = netdev_priv(dev); |
| int port = BP_PORT(bp); |
| int err; |
| |
| switch (cmd) { |
| case SIOCGMIIPHY: |
| data->phy_id = bp->port.phy_addr; |
| |
| /* fallthrough */ |
| |
| case SIOCGMIIREG: { |
| u16 mii_regval; |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| mutex_lock(&bp->port.phy_mutex); |
| err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr, |
| DEFAULT_PHY_DEV_ADDR, |
| (data->reg_num & 0x1f), &mii_regval); |
| data->val_out = mii_regval; |
| mutex_unlock(&bp->port.phy_mutex); |
| return err; |
| } |
| |
| case SIOCSMIIREG: |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| mutex_lock(&bp->port.phy_mutex); |
| err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr, |
| DEFAULT_PHY_DEV_ADDR, |
| (data->reg_num & 0x1f), data->val_in); |
| mutex_unlock(&bp->port.phy_mutex); |
| return err; |
| |
| default: |
| /* do nothing */ |
| break; |
| } |
| |
| return -EOPNOTSUPP; |
| } |
| |
| /* called with rtnl_lock */ |
| static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc = 0; |
| |
| if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) || |
| ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) |
| return -EINVAL; |
| |
| /* This does not race with packet allocation |
| * because the actual alloc size is |
| * only updated as part of load |
| */ |
| dev->mtu = new_mtu; |
| |
| if (netif_running(dev)) { |
| bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| rc = bnx2x_nic_load(bp, LOAD_NORMAL); |
| } |
| |
| return rc; |
| } |
| |
| static void bnx2x_tx_timeout(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| #ifdef BNX2X_STOP_ON_ERROR |
| if (!bp->panic) |
| bnx2x_panic(); |
| #endif |
| /* This allows the netif to be shutdown gracefully before resetting */ |
| schedule_work(&bp->reset_task); |
| } |
| |
| #ifdef BCM_VLAN |
| /* called with rtnl_lock */ |
| static void bnx2x_vlan_rx_register(struct net_device *dev, |
| struct vlan_group *vlgrp) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| bp->vlgrp = vlgrp; |
| |
| /* Set flags according to the required capabilities */ |
| bp->flags &= ~(HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG); |
| |
| if (dev->features & NETIF_F_HW_VLAN_TX) |
| bp->flags |= HW_VLAN_TX_FLAG; |
| |
| if (dev->features & NETIF_F_HW_VLAN_RX) |
| bp->flags |= HW_VLAN_RX_FLAG; |
| |
| if (netif_running(dev)) |
| bnx2x_set_client_config(bp); |
| } |
| |
| #endif |
| |
| #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) |
| static void poll_bnx2x(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| disable_irq(bp->pdev->irq); |
| bnx2x_interrupt(bp->pdev->irq, dev); |
| enable_irq(bp->pdev->irq); |
| } |
| #endif |
| |
| static const struct net_device_ops bnx2x_netdev_ops = { |
| .ndo_open = bnx2x_open, |
| .ndo_stop = bnx2x_close, |
| .ndo_start_xmit = bnx2x_start_xmit, |
| .ndo_set_multicast_list = bnx2x_set_rx_mode, |
| .ndo_set_mac_address = bnx2x_change_mac_addr, |
| .ndo_validate_addr = eth_validate_addr, |
| .ndo_do_ioctl = bnx2x_ioctl, |
| .ndo_change_mtu = bnx2x_change_mtu, |
| .ndo_tx_timeout = bnx2x_tx_timeout, |
| #ifdef BCM_VLAN |
| .ndo_vlan_rx_register = bnx2x_vlan_rx_register, |
| #endif |
| #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) |
| .ndo_poll_controller = poll_bnx2x, |
| #endif |
| }; |
| |
| static int __devinit bnx2x_init_dev(struct pci_dev *pdev, |
| struct net_device *dev) |
| { |
| struct bnx2x *bp; |
| int rc; |
| |
| SET_NETDEV_DEV(dev, &pdev->dev); |
| bp = netdev_priv(dev); |
| |
| bp->dev = dev; |
| bp->pdev = pdev; |
| bp->flags = 0; |
| bp->func = PCI_FUNC(pdev->devfn); |
| |
| rc = pci_enable_device(pdev); |
| if (rc) { |
| printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n"); |
| goto err_out; |
| } |
| |
| if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
| printk(KERN_ERR PFX "Cannot find PCI device base address," |
| " aborting\n"); |
| rc = -ENODEV; |
| goto err_out_disable; |
| } |
| |
| if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { |
| printk(KERN_ERR PFX "Cannot find second PCI device" |
| " base address, aborting\n"); |
| rc = -ENODEV; |
| goto err_out_disable; |
| } |
| |
| if (atomic_read(&pdev->enable_cnt) == 1) { |
| rc = pci_request_regions(pdev, DRV_MODULE_NAME); |
| if (rc) { |
| printk(KERN_ERR PFX "Cannot obtain PCI resources," |
| " aborting\n"); |
| goto err_out_disable; |
| } |
| |
| pci_set_master(pdev); |
| pci_save_state(pdev); |
| } |
| |
| bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); |
| if (bp->pm_cap == 0) { |
| printk(KERN_ERR PFX "Cannot find power management" |
| " capability, aborting\n"); |
| rc = -EIO; |
| goto err_out_release; |
| } |
| |
| bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); |
| if (bp->pcie_cap == 0) { |
| printk(KERN_ERR PFX "Cannot find PCI Express capability," |
| " aborting\n"); |
| rc = -EIO; |
| goto err_out_release; |
| } |
| |
| if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { |
| bp->flags |= USING_DAC_FLAG; |
| if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { |
| printk(KERN_ERR PFX "pci_set_consistent_dma_mask" |
| " failed, aborting\n"); |
| rc = -EIO; |
| goto err_out_release; |
| } |
| |
| } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) { |
| printk(KERN_ERR PFX "System does not support DMA," |
| " aborting\n"); |
| rc = -EIO; |
| goto err_out_release; |
| } |
| |
| dev->mem_start = pci_resource_start(pdev, 0); |
| dev->base_addr = dev->mem_start; |
| dev->mem_end = pci_resource_end(pdev, 0); |
| |
| dev->irq = pdev->irq; |
| |
| bp->regview = pci_ioremap_bar(pdev, 0); |
| if (!bp->regview) { |
| printk(KERN_ERR PFX "Cannot map register space, aborting\n"); |
| rc = -ENOMEM; |
| goto err_out_release; |
| } |
| |
| bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2), |
| min_t(u64, BNX2X_DB_SIZE, |
| pci_resource_len(pdev, 2))); |
| if (!bp->doorbells) { |
| printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n"); |
| rc = -ENOMEM; |
| goto err_out_unmap; |
| } |
| |
| bnx2x_set_power_state(bp, PCI_D0); |
| |
| /* clean indirect addresses */ |
| pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, |
| PCICFG_VENDOR_ID_OFFSET); |
| REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0); |
| REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0); |
| REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0); |
| REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0); |
| |
| dev->watchdog_timeo = TX_TIMEOUT; |
| |
| dev->netdev_ops = &bnx2x_netdev_ops; |
| dev->ethtool_ops = &bnx2x_ethtool_ops; |
| dev->features |= NETIF_F_SG; |
| dev->features |= NETIF_F_HW_CSUM; |
| if (bp->flags & USING_DAC_FLAG) |
| dev->features |= NETIF_F_HIGHDMA; |
| #ifdef BCM_VLAN |
| dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); |
| bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG); |
| #endif |
| dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); |
| dev->features |= NETIF_F_TSO6; |
| |
| return 0; |
| |
| err_out_unmap: |
| if (bp->regview) { |
| iounmap(bp->regview); |
| bp->regview = NULL; |
| } |
| if (bp->doorbells) { |
| iounmap(bp->doorbells); |
| bp->doorbells = NULL; |
| } |
| |
| err_out_release: |
| if (atomic_read(&pdev->enable_cnt) == 1) |
| pci_release_regions(pdev); |
| |
| err_out_disable: |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| |
| err_out: |
| return rc; |
| } |
| |
| static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp) |
| { |
| u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); |
| |
| val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT; |
| return val; |
| } |
| |
| /* return value of 1=2.5GHz 2=5GHz */ |
| static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp) |
| { |
| u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); |
| |
| val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT; |
| return val; |
| } |
| |
| static int __devinit bnx2x_init_one(struct pci_dev *pdev, |
| const struct pci_device_id *ent) |
| { |
| static int version_printed; |
| struct net_device *dev = NULL; |
| struct bnx2x *bp; |
| int rc; |
| |
| if (version_printed++ == 0) |
| printk(KERN_INFO "%s", version); |
| |
| /* dev zeroed in init_etherdev */ |
| dev = alloc_etherdev_mq(sizeof(*bp), MAX_CONTEXT); |
| if (!dev) { |
| printk(KERN_ERR PFX "Cannot allocate net device\n"); |
| return -ENOMEM; |
| } |
| |
| bp = netdev_priv(dev); |
| bp->msglevel = debug; |
| |
| rc = bnx2x_init_dev(pdev, dev); |
| if (rc < 0) { |
| free_netdev(dev); |
| return rc; |
| } |
| |
| pci_set_drvdata(pdev, dev); |
| |
| rc = bnx2x_init_bp(bp); |
| if (rc) |
| goto init_one_exit; |
| |
| rc = register_netdev(dev); |
| if (rc) { |
| dev_err(&pdev->dev, "Cannot register net device\n"); |
| goto init_one_exit; |
| } |
| |
| printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx," |
| " IRQ %d, ", dev->name, board_info[ent->driver_data].name, |
| (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4), |
| bnx2x_get_pcie_width(bp), |
| (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz", |
| dev->base_addr, bp->pdev->irq); |
| printk(KERN_CONT "node addr %pM\n", dev->dev_addr); |
| return 0; |
| |
| init_one_exit: |
| if (bp->regview) |
| iounmap(bp->regview); |
| |
| if (bp->doorbells) |
| iounmap(bp->doorbells); |
| |
| free_netdev(dev); |
| |
| if (atomic_read(&pdev->enable_cnt) == 1) |
| pci_release_regions(pdev); |
| |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| |
| return rc; |
| } |
| |
| static void __devexit bnx2x_remove_one(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct bnx2x *bp; |
| |
| if (!dev) { |
| printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); |
| return; |
| } |
| bp = netdev_priv(dev); |
| |
| unregister_netdev(dev); |
| |
| if (bp->regview) |
| iounmap(bp->regview); |
| |
| if (bp->doorbells) |
| iounmap(bp->doorbells); |
| |
| free_netdev(dev); |
| |
| if (atomic_read(&pdev->enable_cnt) == 1) |
| pci_release_regions(pdev); |
| |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| } |
| |
| static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct bnx2x *bp; |
| |
| if (!dev) { |
| printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); |
| return -ENODEV; |
| } |
| bp = netdev_priv(dev); |
| |
| rtnl_lock(); |
| |
| pci_save_state(pdev); |
| |
| if (!netif_running(dev)) { |
| rtnl_unlock(); |
| return 0; |
| } |
| |
| netif_device_detach(dev); |
| |
| bnx2x_nic_unload(bp, UNLOAD_CLOSE); |
| |
| bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); |
| |
| rtnl_unlock(); |
| |
| return 0; |
| } |
| |
| static int bnx2x_resume(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct bnx2x *bp; |
| int rc; |
| |
| if (!dev) { |
| printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); |
| return -ENODEV; |
| } |
| bp = netdev_priv(dev); |
| |
| rtnl_lock(); |
| |
| pci_restore_state(pdev); |
| |
| if (!netif_running(dev)) { |
| rtnl_unlock(); |
| return 0; |
| } |
| |
| bnx2x_set_power_state(bp, PCI_D0); |
| netif_device_attach(dev); |
| |
| rc = bnx2x_nic_load(bp, LOAD_OPEN); |
| |
| rtnl_unlock(); |
| |
| return rc; |
| } |
| |
| static int bnx2x_eeh_nic_unload(struct bnx2x *bp) |
| { |
| int i; |
| |
| bp->state = BNX2X_STATE_ERROR; |
| |
| bp->rx_mode = BNX2X_RX_MODE_NONE; |
| |
| bnx2x_netif_stop(bp, 0); |
| |
| del_timer_sync(&bp->timer); |
| bp->stats_state = STATS_STATE_DISABLED; |
| DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n"); |
| |
| /* Release IRQs */ |
| bnx2x_free_irq(bp); |
| |
| if (CHIP_IS_E1(bp)) { |
| struct mac_configuration_cmd *config = |
| bnx2x_sp(bp, mcast_config); |
| |
| for (i = 0; i < config->hdr.length; i++) |
| CAM_INVALIDATE(config->config_table[i]); |
| } |
| |
| /* Free SKBs, SGEs, TPA pool and driver internals */ |
| bnx2x_free_skbs(bp); |
| for_each_rx_queue(bp, i) |
| bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); |
| for_each_rx_queue(bp, i) |
| netif_napi_del(&bnx2x_fp(bp, i, napi)); |
| bnx2x_free_mem(bp); |
| |
| bp->state = BNX2X_STATE_CLOSED; |
| |
| netif_carrier_off(bp->dev); |
| |
| return 0; |
| } |
| |
| static void bnx2x_eeh_recover(struct bnx2x *bp) |
| { |
| u32 val; |
| |
| mutex_init(&bp->port.phy_mutex); |
| |
| bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); |
| bp->link_params.shmem_base = bp->common.shmem_base; |
| BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base); |
| |
| if (!bp->common.shmem_base || |
| (bp->common.shmem_base < 0xA0000) || |
| (bp->common.shmem_base >= 0xC0000)) { |
| BNX2X_DEV_INFO("MCP not active\n"); |
| bp->flags |= NO_MCP_FLAG; |
| return; |
| } |
| |
| val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); |
| if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) |
| != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) |
| BNX2X_ERR("BAD MCP validity signature\n"); |
| |
| if (!BP_NOMCP(bp)) { |
| bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header) |
| & DRV_MSG_SEQ_NUMBER_MASK); |
| BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); |
| } |
| } |
| |
| /** |
| * bnx2x_io_error_detected - called when PCI error is detected |
| * @pdev: Pointer to PCI device |
| * @state: The current pci connection state |
| * |
| * This function is called after a PCI bus error affecting |
| * this device has been detected. |
| */ |
| static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev, |
| pci_channel_state_t state) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| rtnl_lock(); |
| |
| netif_device_detach(dev); |
| |
| if (netif_running(dev)) |
| bnx2x_eeh_nic_unload(bp); |
| |
| pci_disable_device(pdev); |
| |
| rtnl_unlock(); |
| |
| /* Request a slot reset */ |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| /** |
| * bnx2x_io_slot_reset - called after the PCI bus has been reset |
| * @pdev: Pointer to PCI device |
| * |
| * Restart the card from scratch, as if from a cold-boot. |
| */ |
| static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| rtnl_lock(); |
| |
| if (pci_enable_device(pdev)) { |
| dev_err(&pdev->dev, |
| "Cannot re-enable PCI device after reset\n"); |
| rtnl_unlock(); |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| |
| if (netif_running(dev)) |
| bnx2x_set_power_state(bp, PCI_D0); |
| |
| rtnl_unlock(); |
| |
| return PCI_ERS_RESULT_RECOVERED; |
| } |
| |
| /** |
| * bnx2x_io_resume - called when traffic can start flowing again |
| * @pdev: Pointer to PCI device |
| * |
| * This callback is called when the error recovery driver tells us that |
| * its OK to resume normal operation. |
| */ |
| static void bnx2x_io_resume(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct bnx2x *bp = netdev_priv(dev); |
| |
| rtnl_lock(); |
| |
| bnx2x_eeh_recover(bp); |
| |
| if (netif_running(dev)) |
| bnx2x_nic_load(bp, LOAD_NORMAL); |
| |
| netif_device_attach(dev); |
| |
| rtnl_unlock(); |
| } |
| |
| static struct pci_error_handlers bnx2x_err_handler = { |
| .error_detected = bnx2x_io_error_detected, |
| .slot_reset = bnx2x_io_slot_reset, |
| .resume = bnx2x_io_resume, |
| }; |
| |
| static struct pci_driver bnx2x_pci_driver = { |
| .name = DRV_MODULE_NAME, |
| .id_table = bnx2x_pci_tbl, |
| .probe = bnx2x_init_one, |
| .remove = __devexit_p(bnx2x_remove_one), |
| .suspend = bnx2x_suspend, |
| .resume = bnx2x_resume, |
| .err_handler = &bnx2x_err_handler, |
| }; |
| |
| static int __init bnx2x_init(void) |
| { |
| bnx2x_wq = create_singlethread_workqueue("bnx2x"); |
| if (bnx2x_wq == NULL) { |
| printk(KERN_ERR PFX "Cannot create workqueue\n"); |
| return -ENOMEM; |
| } |
| |
| return pci_register_driver(&bnx2x_pci_driver); |
| } |
| |
| static void __exit bnx2x_cleanup(void) |
| { |
| pci_unregister_driver(&bnx2x_pci_driver); |
| |
| destroy_workqueue(bnx2x_wq); |
| } |
| |
| module_init(bnx2x_init); |
| module_exit(bnx2x_cleanup); |
| |