netxen: pci probe and firmware init changes
Add initialization code in pci probe for new chip and retain
compatibility with old revisions.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 72d9f48..4d32f3c 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -49,13 +49,22 @@
static char netxen_nic_driver_string[] = "NetXen Network Driver version "
NETXEN_NIC_LINUX_VERSIONID;
+static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+
+/* Default to restricted 1G auto-neg mode */
+static int wol_port_mode = 5;
+
+static int use_msi = 1;
+
+static int use_msi_x = 1;
+
#define NETXEN_NETDEV_WEIGHT 120
#define NETXEN_ADAPTER_UP_MAGIC 777
#define NETXEN_NIC_PEG_TUNE 0
/* Local functions to NetXen NIC driver */
static int __devinit netxen_nic_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent);
+ const struct pci_device_id *ent);
static void __devexit netxen_nic_remove(struct pci_dev *pdev);
static int netxen_nic_open(struct net_device *netdev);
static int netxen_nic_close(struct net_device *netdev);
@@ -135,9 +144,11 @@
adapter->crb_addr_cmd_consumer, crb_consumer);
}
-static uint32_t msi_tgt_status[4] = {
+static uint32_t msi_tgt_status[8] = {
ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
- ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3
+ ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
+ ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
+ ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
};
static uint32_t sw_int_mask[4] = {
@@ -145,6 +156,8 @@
CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
};
+static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
+
static void netxen_nic_disable_int(struct netxen_adapter *adapter)
{
u32 mask = 0x7ff;
@@ -159,7 +172,7 @@
adapter->intr_scheme != INTR_SCHEME_PERPORT)
adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
- if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ if (!NETXEN_IS_MSI_FAMILY(adapter)) {
do {
adapter->pci_write_immediate(adapter,
ISR_INT_TARGET_STATUS, 0xffffffff);
@@ -208,7 +221,7 @@
adapter->pci_write_normalize(adapter, sw_int_mask[port], 0x1);
- if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ if (!NETXEN_IS_MSI_FAMILY(adapter)) {
mask = 0xbff;
if (adapter->intr_scheme != -1 &&
adapter->intr_scheme != INTR_SCHEME_PERPORT) {
@@ -222,6 +235,280 @@
DPRINTK(1, INFO, "Done with enable Int\n");
}
+static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ int err;
+ uint64_t mask;
+
+#ifdef CONFIG_IA64
+ adapter->dma_mask = DMA_32BIT_MASK;
+#else
+ if (revision_id >= NX_P3_B0) {
+ /* should go to DMA_64BIT_MASK */
+ adapter->dma_mask = DMA_39BIT_MASK;
+ mask = DMA_39BIT_MASK;
+ } else if (revision_id == NX_P3_A2) {
+ adapter->dma_mask = DMA_39BIT_MASK;
+ mask = DMA_39BIT_MASK;
+ } else if (revision_id == NX_P2_C1) {
+ adapter->dma_mask = DMA_35BIT_MASK;
+ mask = DMA_35BIT_MASK;
+ } else {
+ adapter->dma_mask = DMA_32BIT_MASK;
+ mask = DMA_32BIT_MASK;
+ goto set_32_bit_mask;
+ }
+
+ /*
+ * Consistent DMA mask is set to 32 bit because it cannot be set to
+ * 35 bits. For P3 also leave it at 32 bits for now. Only the rings
+ * come off this pool.
+ */
+ if (pci_set_dma_mask(pdev, mask) == 0 &&
+ pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) {
+ adapter->pci_using_dac = 1;
+ return 0;
+ }
+#endif /* CONFIG_IA64 */
+
+set_32_bit_mask:
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (!err)
+ err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err);
+ return err;
+ }
+
+ adapter->pci_using_dac = 0;
+ return 0;
+}
+
+static void netxen_check_options(struct netxen_adapter *adapter)
+{
+ switch (adapter->ahw.boardcfg.board_type) {
+ case NETXEN_BRDTYPE_P3_HMEZ:
+ case NETXEN_BRDTYPE_P3_XG_LOM:
+ case NETXEN_BRDTYPE_P3_10G_CX4:
+ case NETXEN_BRDTYPE_P3_10G_CX4_LP:
+ case NETXEN_BRDTYPE_P3_IMEZ:
+ case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+ case NETXEN_BRDTYPE_P3_10G_XFP:
+ case NETXEN_BRDTYPE_P3_10000_BASE_T:
+ adapter->msix_supported = !!use_msi_x;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+ break;
+
+ case NETXEN_BRDTYPE_P2_SB31_10G:
+ case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+ case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+ case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
+ adapter->msix_supported = 0;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+ break;
+
+ case NETXEN_BRDTYPE_P3_REF_QG:
+ case NETXEN_BRDTYPE_P3_4_GB:
+ case NETXEN_BRDTYPE_P3_4_GB_MM:
+ case NETXEN_BRDTYPE_P2_SB35_4G:
+ case NETXEN_BRDTYPE_P2_SB31_2G:
+ adapter->msix_supported = 0;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+ break;
+
+ default:
+ adapter->msix_supported = 0;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+
+ printk(KERN_WARNING "Unknown board type(0x%x)\n",
+ adapter->ahw.boardcfg.board_type);
+ break;
+ }
+
+ adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
+ adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
+ adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
+
+ adapter->max_possible_rss_rings = 1;
+ return;
+}
+
+static int
+netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
+{
+ int ret = 0;
+
+ if (first_boot == 0x55555555) {
+ /* This is the first boot after power up */
+
+ /* PCI bus master workaround */
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(0x4), &first_boot, 4);
+ if (!(first_boot & 0x4)) {
+ first_boot |= 0x4;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PCIE_REG(0x4), &first_boot, 4);
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(0x4), &first_boot, 4);
+ }
+
+ /* This is the first boot after power up */
+ adapter->hw_read_wx(adapter,
+ NETXEN_ROMUSB_GLB_SW_RESET, &first_boot, 4);
+ if (first_boot != 0x80000f) {
+ /* clear the register for future unloads/loads */
+ adapter->pci_write_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc), 0);
+ ret = -1;
+ }
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ /* Start P2 boot loader */
+ adapter->pci_write_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
+ }
+ }
+ return ret;
+}
+
+static void netxen_set_port_mode(struct netxen_adapter *adapter)
+{
+ u32 val, data;
+
+ val = adapter->ahw.boardcfg.board_type;
+ if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
+ (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
+ if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
+ data = NETXEN_PORT_MODE_802_3_AP;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else if (port_mode == NETXEN_PORT_MODE_XG) {
+ data = NETXEN_PORT_MODE_XG;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
+ data = NETXEN_PORT_MODE_AUTO_NEG_1G;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
+ data = NETXEN_PORT_MODE_AUTO_NEG_XG;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else {
+ data = NETXEN_PORT_MODE_AUTO_NEG;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ }
+
+ if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
+ (wol_port_mode != NETXEN_PORT_MODE_XG) &&
+ (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
+ (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
+ wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+ }
+ adapter->hw_write_wx(adapter, NETXEN_WOL_PORT_MODE,
+ &wol_port_mode, 4);
+ }
+}
+
+#define PCI_CAP_ID_GEN 0x10
+
+static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
+{
+ u32 pdevfuncsave;
+ u32 c8c9value = 0;
+ u32 chicken = 0;
+ u32 control = 0;
+ int i, pos;
+ struct pci_dev *pdev;
+
+ pdev = pci_get_device(0x1166, 0x0140, NULL);
+ if (pdev) {
+ pci_dev_put(pdev);
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+ chicken |= 0x4000;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+ }
+
+ pdev = adapter->pdev;
+
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
+ /* clear chicken3.25:24 */
+ chicken &= 0xFCFFFFFF;
+ /*
+ * if gen1 and B0, set F1020 - if gen 2, do nothing
+ * if gen2 set to F1000
+ */
+ pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
+ if (pos == 0xC0) {
+ pci_read_config_dword(pdev, pos + 0x10, &control);
+ if ((control & 0x000F0000) != 0x00020000) {
+ /* set chicken3.24 if gen1 */
+ chicken |= 0x01000000;
+ }
+ printk(KERN_INFO "%s Gen2 strapping detected\n",
+ netxen_nic_driver_name);
+ c8c9value = 0xF1000;
+ } else {
+ /* set chicken3.24 if gen1 */
+ chicken |= 0x01000000;
+ printk(KERN_INFO "%s Gen1 strapping detected\n",
+ netxen_nic_driver_name);
+ if (adapter->ahw.revision_id == NX_P3_B0)
+ c8c9value = 0xF1020;
+ else
+ c8c9value = 0;
+
+ }
+ adapter->hw_write_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
+
+ if (!c8c9value)
+ return;
+
+ pdevfuncsave = pdev->devfn;
+ if (pdevfuncsave & 0x07)
+ return;
+
+ for (i = 0; i < 8; i++) {
+ pci_read_config_dword(pdev, pos + 8, &control);
+ pci_read_config_dword(pdev, pos + 8, &control);
+ pci_write_config_dword(pdev, pos + 8, c8c9value);
+ pdev->devfn++;
+ }
+ pdev->devfn = pdevfuncsave;
+}
+
+static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
+{
+ u32 control;
+ int pos;
+
+ pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+ if (pos) {
+ pci_read_config_dword(pdev, pos, &control);
+ if (enable)
+ control |= PCI_MSIX_FLAGS_ENABLE;
+ else
+ control = 0;
+ pci_write_config_dword(pdev, pos, control);
+ }
+}
+
+static void netxen_init_msix_entries(struct netxen_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < MSIX_ENTRIES_PER_ADAPTER; i++)
+ adapter->msix_entries[i].entry = i;
+}
+
/*
* netxen_nic_probe()
*
@@ -247,28 +534,28 @@
u8 __iomem *db_ptr = NULL;
- unsigned long mem_base, mem_len, db_base, db_len, pci_len0;
- int pci_using_dac, i = 0, err;
- int ring;
- struct netxen_recv_context *recv_ctx = NULL;
- struct netxen_rcv_desc_ctx *rcv_desc = NULL;
- struct netxen_cmd_buffer *cmd_buf_arr = NULL;
+ unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
+ int i = 0, err;
+ int first_driver, first_boot;
__le64 mac_addr[FLASH_NUM_PORTS + 1];
- int valid_mac = 0;
u32 val;
int pci_func_id = PCI_FUNC(pdev->devfn);
DECLARE_MAC_BUF(mac);
+ struct netxen_legacy_intr_set *legacy_intrp;
+ uint8_t revision_id;
if (pci_func_id == 0)
- printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+ printk(KERN_INFO "%s\n", netxen_nic_driver_string);
if (pdev->class != 0x020000) {
printk(KERN_DEBUG "NetXen function %d, class %x will not "
"be enabled.\n",pci_func_id, pdev->class);
return -ENODEV;
}
+
if ((err = pci_enable_device(pdev)))
return err;
+
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
err = -ENODEV;
goto err_out_disable_pdev;
@@ -278,18 +565,6 @@
goto err_out_disable_pdev;
pci_set_master(pdev);
- if (pdev->revision == NX_P2_C1 &&
- (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) &&
- (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) {
- pci_using_dac = 1;
- } else {
- if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
- (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)))
- goto err_out_free_res;
-
- pci_using_dac = 0;
- }
-
netdev = alloc_etherdev(sizeof(struct netxen_adapter));
if(!netdev) {
@@ -302,8 +577,17 @@
SET_NETDEV_DEV(netdev, &pdev->dev);
adapter = netdev->priv;
-
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
adapter->ahw.pci_func = pci_func_id;
+
+ revision_id = pdev->revision;
+ adapter->ahw.revision_id = revision_id;
+
+ err = nx_set_dma_mask(adapter, revision_id);
+ if (err)
+ goto err_out_free_netdev;
+
rwlock_init(&adapter->adapter_lock);
adapter->ahw.qdr_sn_window = -1;
adapter->ahw.ddr_mn_window = -1;
@@ -379,7 +663,7 @@
if (db_len == 0) {
printk(KERN_ERR "%s: doorbell is disabled\n",
- netxen_nic_driver_name);
+ netxen_nic_driver_name);
err = -EIO;
goto err_out_iounmap;
}
@@ -389,7 +673,7 @@
db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
if (!db_ptr) {
printk(KERN_ERR "%s: Failed to allocate doorbell map.",
- netxen_nic_driver_name);
+ netxen_nic_driver_name);
err = -EIO;
goto err_out_iounmap;
}
@@ -404,11 +688,18 @@
adapter->ahw.db_base = db_ptr;
adapter->ahw.db_len = db_len;
- adapter->netdev = netdev;
- adapter->pdev = pdev;
-
netif_napi_add(netdev, &adapter->napi,
- netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+ netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+
+ if (revision_id >= NX_P3_B0)
+ legacy_intrp = &legacy_intr[pci_func_id];
+ else
+ legacy_intrp = &legacy_intr[0];
+
+ adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit;
+ adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg;
+ adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg;
+ adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg;
/* this will be read from FW later */
adapter->intr_scheme = -1;
@@ -418,8 +709,11 @@
adapter->portnum = pci_func_id;
adapter->status &= ~NETXEN_NETDEV_STATUS;
adapter->rx_csum = 1;
- adapter->max_mc_count = 16;
adapter->mc_enabled = 0;
+ if (NX_IS_REVISION_P3(revision_id))
+ adapter->max_mc_count = 38;
+ else
+ adapter->max_mc_count = 16;
netdev->open = netxen_nic_open;
netdev->stop = netxen_nic_close;
@@ -441,18 +735,12 @@
netdev->features = NETIF_F_SG;
netdev->features |= NETIF_F_IP_CSUM;
netdev->features |= NETIF_F_TSO;
+ if (NX_IS_REVISION_P3(revision_id))
+ netdev->features |= NETIF_F_TSO6;
- if (pci_using_dac)
+ if (adapter->pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- if (pci_enable_msi(pdev))
- adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
- else
- adapter->flags |= NETXEN_NIC_MSI_ENABLED;
-
- netdev->irq = pdev->irq;
- INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
-
/*
* Set the CRB window to invalid. If any register in window 0 is
* accessed it should set the window to 0 and then reset it to 1.
@@ -461,87 +749,13 @@
if (netxen_nic_get_board_info(adapter) != 0) {
printk("%s: Error getting board config info.\n",
- netxen_nic_driver_name);
+ netxen_nic_driver_name);
err = -EIO;
goto err_out_iounmap;
}
- /*
- * Adapter in our case is quad port so initialize it before
- * initializing the ports
- */
-
netxen_initialize_adapter_ops(adapter);
- adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
- if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) ||
- (adapter->ahw.boardcfg.board_type ==
- NETXEN_BRDTYPE_P2_SB31_2G))
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- else
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
- adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
- adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
-
- cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
- if (cmd_buf_arr == NULL) {
- printk(KERN_ERR
- "%s: Could not allocate cmd_buf_arr memory:%d\n",
- netxen_nic_driver_name, (int)TX_RINGSIZE);
- err = -ENOMEM;
- goto err_out_free_adapter;
- }
- memset(cmd_buf_arr, 0, TX_RINGSIZE);
- adapter->cmd_buf_arr = cmd_buf_arr;
-
- for (i = 0; i < MAX_RCV_CTX; ++i) {
- recv_ctx = &adapter->recv_ctx[i];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- switch (RCV_DESC_TYPE(ring)) {
- case RCV_DESC_NORMAL:
- rcv_desc->max_rx_desc_count =
- adapter->max_rx_desc_count;
- rcv_desc->flags = RCV_DESC_NORMAL;
- rcv_desc->dma_size = RX_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
- break;
-
- case RCV_DESC_JUMBO:
- rcv_desc->max_rx_desc_count =
- adapter->max_jumbo_rx_desc_count;
- rcv_desc->flags = RCV_DESC_JUMBO;
- rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH;
- break;
-
- case RCV_RING_LRO:
- rcv_desc->max_rx_desc_count =
- adapter->max_lro_rx_desc_count;
- rcv_desc->flags = RCV_DESC_LRO;
- rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
- break;
-
- }
- rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
- vmalloc(RCV_BUFFSIZE);
-
- if (rcv_desc->rx_buf_arr == NULL) {
- printk(KERN_ERR "%s: Could not allocate "
- "rcv_desc->rx_buf_arr memory:%d\n",
- netxen_nic_driver_name,
- (int)RCV_BUFFSIZE);
- err = -ENOMEM;
- goto err_out_free_rx_buffer;
- }
- memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
- }
-
- }
-
- netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */
-
/* Mezz cards have PCI function 0,2,3 enabled */
switch (adapter->ahw.boardcfg.board_type) {
case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
@@ -553,26 +767,154 @@
break;
}
- init_timer(&adapter->watchdog_timer);
- adapter->ahw.xg_linkup = 0;
- adapter->watchdog_timer.function = &netxen_watchdog;
- adapter->watchdog_timer.data = (unsigned long)adapter;
- INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
- adapter->ahw.revision_id = pdev->revision;
+ /*
+ * This call will setup various max rx/tx counts.
+ * It must be done before any buffer/ring allocations.
+ */
+ netxen_check_options(adapter);
+ first_driver = 0;
+ if (NX_IS_REVISION_P3(revision_id)) {
+ if (adapter->ahw.pci_func == 0)
+ first_driver = 1;
+ } else {
+ if (adapter->portnum == 0)
+ first_driver = 1;
+ }
adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum];
adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum];
netxen_nic_update_cmd_producer(adapter, 0);
netxen_nic_update_cmd_consumer(adapter, 0);
- if (netxen_is_flash_supported(adapter) == 0 &&
- netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
- valid_mac = 1;
- else
- valid_mac = 0;
+ if (first_driver) {
+ first_boot = adapter->pci_read_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc));
- if (valid_mac) {
- unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum];
+ err = netxen_check_hw_init(adapter, first_boot);
+ if (err) {
+ printk(KERN_ERR "%s: error in init HW init sequence\n",
+ netxen_nic_driver_name);
+ goto err_out_iounmap;
+ }
+
+ if (NX_IS_REVISION_P3(revision_id))
+ netxen_set_port_mode(adapter);
+
+ if (first_boot != 0x55555555) {
+ adapter->pci_write_normalize(adapter,
+ CRB_CMDPEG_STATE, 0);
+ netxen_pinit_from_rom(adapter, 0);
+ msleep(1);
+ netxen_load_firmware(adapter);
+ }
+
+ if (NX_IS_REVISION_P3(revision_id))
+ netxen_pcie_strap_init(adapter);
+
+ if (NX_IS_REVISION_P2(revision_id)) {
+
+ /* Initialize multicast addr pool owners */
+ val = 0x7654;
+ if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
+ val |= 0x0f000000;
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_MAC_ADDR_CNTL_REG, val);
+
+ }
+
+ if ((first_boot == 0x55555555) &&
+ (NX_IS_REVISION_P2(revision_id))) {
+ /* Unlock the HW, prompting the boot sequence */
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
+ }
+
+ err = netxen_initialize_adapter_offload(adapter);
+ if (err)
+ goto err_out_iounmap;
+
+ /*
+ * Tell the hardware our version number.
+ */
+ i = (_NETXEN_NIC_LINUX_MAJOR << 16)
+ | ((_NETXEN_NIC_LINUX_MINOR << 8))
+ | (_NETXEN_NIC_LINUX_SUBVERSION);
+ adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
+
+ /* Handshake with the card before we register the devices. */
+ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+
+ if (NX_IS_REVISION_P3(revision_id)) {
+ adapter->hw_read_wx(adapter,
+ NETXEN_MIU_MN_CONTROL, &val, 4);
+ adapter->ahw.cut_through = (val & 0x4) ? 1 : 0;
+ dev_info(&pdev->dev, "firmware running in %s mode\n",
+ adapter->ahw.cut_through ? "cut through" : "legacy");
+ }
+ } /* first_driver */
+
+ netxen_nic_flash_print(adapter);
+
+ /*
+ * See if the firmware gave us a virtual-physical port mapping.
+ */
+ adapter->physical_port = adapter->portnum;
+ i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
+ if (i != 0x55555555)
+ adapter->physical_port = i;
+
+ adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+
+ netxen_set_msix_bit(pdev, 0);
+
+ if (NX_IS_REVISION_P3(revision_id)) {
+ if ((mem_len != NETXEN_PCI_128MB_SIZE) &&
+ mem_len != NETXEN_PCI_2MB_SIZE)
+ adapter->msix_supported = 0;
+ }
+
+ if (adapter->msix_supported) {
+
+ netxen_init_msix_entries(adapter);
+
+ if (pci_enable_msix(pdev, adapter->msix_entries,
+ MSIX_ENTRIES_PER_ADAPTER))
+ goto request_msi;
+
+ adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
+ netxen_set_msix_bit(pdev, 1);
+ dev_info(&pdev->dev, "using msi-x interrupts\n");
+
+ } else {
+request_msi:
+ if (use_msi && !pci_enable_msi(pdev)) {
+ adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+ dev_info(&pdev->dev, "using msi interrupts\n");
+ } else
+ dev_info(&pdev->dev, "using legacy interrupts\n");
+ }
+
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ netdev->irq = adapter->msix_entries[0].vector;
+ else
+ netdev->irq = pdev->irq;
+
+ err = netxen_receive_peg_ready(adapter);
+ if (err)
+ goto err_out_disable_msi;
+
+ init_timer(&adapter->watchdog_timer);
+ adapter->ahw.xg_linkup = 0;
+ adapter->watchdog_timer.function = &netxen_watchdog;
+ adapter->watchdog_timer.data = (unsigned long)adapter;
+ INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
+ INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
+
+ if (netxen_is_flash_supported(adapter) == 0 &&
+ netxen_get_flash_mac_addr(adapter, mac_addr) == 0) {
+ unsigned char *p;
+
+ p = (unsigned char *)&mac_addr[adapter->portnum];
netdev->dev_addr[0] = *(p + 5);
netdev->dev_addr[1] = *(p + 4);
netdev->dev_addr[2] = *(p + 3);
@@ -584,88 +926,13 @@
netdev->addr_len);
if (!is_valid_ether_addr(netdev->perm_addr)) {
printk(KERN_ERR "%s: Bad MAC address %s.\n",
- netxen_nic_driver_name,
- print_mac(mac, netdev->dev_addr));
+ netxen_nic_driver_name,
+ print_mac(mac, netdev->dev_addr));
} else {
- if (adapter->macaddr_set)
- adapter->macaddr_set(adapter,
- netdev->dev_addr);
+ adapter->macaddr_set(adapter, netdev->dev_addr);
}
}
- if (adapter->portnum == 0) {
- err = netxen_initialize_adapter_offload(adapter);
- if (err)
- goto err_out_free_rx_buffer;
- val = adapter->pci_read_normalize(adapter,
- NETXEN_CAM_RAM(0x1fc));
- if (val == 0x55555555) {
- /* This is the first boot after power up */
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
- if (!(val & 0x4)) {
- val |= 0x4;
- netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val);
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
- if (!(val & 0x4))
- printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
- netxen_nic_driver_name);
- }
- val = adapter->pci_read_normalize(adapter,
- NETXEN_ROMUSB_GLB_SW_RESET);
- printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
- if (val != 0x80000f) {
- /* clear the register for future unloads/loads */
- adapter->pci_write_normalize(adapter,
- NETXEN_CAM_RAM(0x1fc), 0);
- printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
- err = -ENODEV;
- goto err_out_free_dev;
- }
- } else {
- adapter->pci_write_normalize(adapter,
- CRB_CMDPEG_STATE, 0);
- netxen_pinit_from_rom(adapter, 0);
- msleep(1);
- netxen_load_firmware(adapter);
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
-
- /* Initialize multicast addr pool owners */
- val = 0x7654;
- if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
- val |= 0x0f000000;
- netxen_crb_writelit_adapter(adapter,
- NETXEN_MAC_ADDR_CNTL_REG, val);
-
- }
-
- /* clear the register for future unloads/loads */
- adapter->pci_write_normalize(adapter, NETXEN_CAM_RAM(0x1fc), 0);
- dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n",
- adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE));
-
- /*
- * Tell the hardware our version number.
- */
- i = (_NETXEN_NIC_LINUX_MAJOR << 16)
- | ((_NETXEN_NIC_LINUX_MINOR << 8))
- | (_NETXEN_NIC_LINUX_SUBVERSION);
- adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
-
- /* Unlock the HW, prompting the boot sequence */
- adapter->pci_write_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
- /* Handshake with the card before we register the devices. */
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
- }
-
- /*
- * See if the firmware gave us a virtual-physical port mapping.
- */
- adapter->physical_port = adapter->portnum;
- i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
- if (i != 0x55555555)
- adapter->physical_port = i;
-
netif_carrier_off(netdev);
netif_stop_queue(netdev);
@@ -674,41 +941,37 @@
" aborting\n", netxen_nic_driver_name,
adapter->portnum);
err = -EIO;
- goto err_out_free_dev;
+ goto err_out_disable_msi;
}
- netxen_nic_flash_print(adapter);
pci_set_drvdata(pdev, adapter);
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
+ adapter->netdev->name);
+ break;
+ case NETXEN_NIC_XGBE:
+ dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
+ adapter->netdev->name);
+ break;
+ }
+
return 0;
-err_out_free_dev:
- if (adapter->portnum == 0)
- netxen_free_adapter_offload(adapter);
-
-err_out_free_rx_buffer:
- for (i = 0; i < MAX_RCV_CTX; ++i) {
- recv_ctx = &adapter->recv_ctx[i];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- if (rcv_desc->rx_buf_arr != NULL) {
- vfree(rcv_desc->rx_buf_arr);
- rcv_desc->rx_buf_arr = NULL;
- }
- }
- }
- vfree(cmd_buf_arr);
-
-err_out_free_adapter:
+err_out_disable_msi:
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ pci_disable_msix(pdev);
if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
pci_disable_msi(pdev);
- pci_set_drvdata(pdev, NULL);
+ if (first_driver)
+ netxen_free_adapter_offload(adapter);
+err_out_iounmap:
if (db_ptr)
iounmap(db_ptr);
-err_out_iounmap:
if (mem_ptr0)
iounmap(mem_ptr0);
if (mem_ptr1)
@@ -723,6 +986,7 @@
pci_release_regions(pdev);
err_out_disable_pdev:
+ pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
return err;
}
@@ -731,11 +995,6 @@
{
struct netxen_adapter *adapter;
struct net_device *netdev;
- struct netxen_rx_buffer *buffer;
- struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int i, ctxid, ring;
- static int init_firmware_done = 0;
adapter = pci_get_drvdata(pdev);
if (adapter == NULL)
@@ -746,36 +1005,18 @@
unregister_netdev(netdev);
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
- init_firmware_done++;
netxen_free_hw_resources(adapter);
+ netxen_free_sw_resources(adapter);
}
- for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
- recv_ctx = &adapter->recv_ctx[ctxid];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
- buffer = &(rcv_desc->rx_buf_arr[i]);
- if (buffer->state == NETXEN_BUFFER_FREE)
- continue;
- pci_unmap_single(pdev, buffer->dma,
- rcv_desc->dma_size,
- PCI_DMA_FROMDEVICE);
- if (buffer->skb != NULL)
- dev_kfree_skb_any(buffer->skb);
- }
- vfree(rcv_desc->rx_buf_arr);
- }
- }
-
- vfree(adapter->cmd_buf_arr);
-
if (adapter->portnum == 0)
netxen_free_adapter_offload(adapter);
if (adapter->irq)
free_irq(adapter->irq, adapter);
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ pci_disable_msix(pdev);
if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
pci_disable_msi(pdev);
@@ -813,52 +1054,67 @@
return -EIO;
}
- /* setup all the resources for the Phantom... */
- /* this include the descriptors for rcv, tx, and status */
- netxen_nic_clear_stats(adapter);
- err = netxen_nic_hw_resources(adapter);
+ err = netxen_alloc_sw_resources(adapter);
if (err) {
- printk(KERN_ERR "Error in setting hw resources:%d\n",
- err);
+ printk(KERN_ERR "%s: Error in setting sw resources\n",
+ netdev->name);
return err;
}
+
+ netxen_nic_clear_stats(adapter);
+
+ err = netxen_alloc_hw_resources(adapter);
+ if (err) {
+ printk(KERN_ERR "%s: Error in setting hw resources\n",
+ netdev->name);
+ goto err_out_free_sw;
+ }
+
+ if (adapter->fw_major < 4) {
+ adapter->crb_addr_cmd_producer =
+ crb_cmd_producer[adapter->portnum];
+ adapter->crb_addr_cmd_consumer =
+ crb_cmd_consumer[adapter->portnum];
+ }
+
+ netxen_nic_update_cmd_producer(adapter, 0);
+ netxen_nic_update_cmd_consumer(adapter, 0);
+
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
netxen_post_rx_buffers(adapter, ctx, ring);
}
- adapter->irq = adapter->pdev->irq;
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ if (NETXEN_IS_MSI_FAMILY(adapter))
handler = netxen_msi_intr;
else {
flags |= IRQF_SHARED;
handler = netxen_intr;
}
+ adapter->irq = netdev->irq;
err = request_irq(adapter->irq, handler,
flags, netdev->name, adapter);
if (err) {
printk(KERN_ERR "request_irq failed with: %d\n", err);
- netxen_free_hw_resources(adapter);
- return err;
+ goto err_out_free_hw;
}
adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
}
+
/* Done here again so that even if phantom sw overwrote it,
* we set it */
- if (adapter->init_port
- && adapter->init_port(adapter, adapter->portnum) != 0) {
+ err = adapter->init_port(adapter, adapter->portnum);
+ if (err) {
printk(KERN_ERR "%s: Failed to initialize port %d\n",
netxen_nic_driver_name, adapter->portnum);
- return -EIO;
+ goto err_out_free_irq;
}
- if (adapter->macaddr_set)
- adapter->macaddr_set(adapter, netdev->dev_addr);
+ adapter->macaddr_set(adapter, netdev->dev_addr);
netxen_nic_set_link_parameters(adapter);
netxen_nic_set_multi(netdev);
- if (adapter->set_mtu)
- adapter->set_mtu(adapter, netdev->mtu);
+ adapter->set_mtu(adapter, netdev->mtu);
mod_timer(&adapter->watchdog_timer, jiffies);
@@ -868,6 +1124,14 @@
netif_start_queue(netdev);
return 0;
+
+err_out_free_irq:
+ free_irq(adapter->irq, adapter);
+err_out_free_hw:
+ netxen_free_hw_resources(adapter);
+err_out_free_sw:
+ netxen_free_sw_resources(adapter);
+ return err;
}
/*
@@ -876,9 +1140,6 @@
static int netxen_nic_close(struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
- int i, j;
- struct netxen_cmd_buffer *cmd_buff;
- struct netxen_skb_frag *buffrag;
netif_carrier_off(netdev);
netif_stop_queue(netdev);
@@ -889,30 +1150,8 @@
netxen_nic_disable_int(adapter);
- cmd_buff = adapter->cmd_buf_arr;
- for (i = 0; i < adapter->max_tx_desc_count; i++) {
- buffrag = cmd_buff->frag_array;
- if (buffrag->dma) {
- pci_unmap_single(adapter->pdev, buffrag->dma,
- buffrag->length, PCI_DMA_TODEVICE);
- buffrag->dma = 0ULL;
- }
- for (j = 0; j < cmd_buff->frag_count; j++) {
- buffrag++;
- if (buffrag->dma) {
- pci_unmap_page(adapter->pdev, buffrag->dma,
- buffrag->length,
- PCI_DMA_TODEVICE);
- buffrag->dma = 0ULL;
- }
- }
- /* Free the skb we received in netxen_nic_xmit_frame */
- if (cmd_buff->skb) {
- dev_kfree_skb_any(cmd_buff->skb);
- cmd_buff->skb = NULL;
- }
- cmd_buff++;
- }
+ netxen_release_tx_buffers(adapter);
+
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
FLUSH_SCHEDULED_WORK();
del_timer_sync(&adapter->watchdog_timer);