bnx2x: add FCoE ring
Includes new driver structures and FW/HW configuration for FCoE ring
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index 7e4d682..475725c 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -13,6 +13,8 @@
#ifndef BNX2X_H
#define BNX2X_H
+#include <linux/netdevice.h>
+#include <linux/types.h>
/* compilation time flags */
@@ -199,10 +201,25 @@
/* EQ completions */
#define HC_SP_INDEX_EQ_CONS 7
+/* FCoE L2 connection completions */
+#define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS 6
+#define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS 4
/* iSCSI L2 */
#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
+/* Special clients parameters */
+
+/* SB indices */
+/* FCoE L2 */
+#define BNX2X_FCOE_L2_RX_INDEX \
+ (&bp->def_status_blk->sp_sb.\
+ index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
+
+#define BNX2X_FCOE_L2_TX_INDEX \
+ (&bp->def_status_blk->sp_sb.\
+ index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
+
/**
* CIDs and CLIDs:
* CLIDs below is a CLID for func 0, then the CLID for other
@@ -215,12 +232,19 @@
#define BNX2X_ISCSI_ETH_CL_ID 17
#define BNX2X_ISCSI_ETH_CID 17
+/* FCoE L2 */
+#define BNX2X_FCOE_ETH_CL_ID 18
+#define BNX2X_FCOE_ETH_CID 18
+
/** Additional rings budgeting */
#ifdef BCM_CNIC
#define CNIC_CONTEXT_USE 1
+#define FCOE_CONTEXT_USE 1
#else
#define CNIC_CONTEXT_USE 0
+#define FCOE_CONTEXT_USE 0
#endif /* BCM_CNIC */
+#define NONE_ETH_CONTEXT_USE (FCOE_CONTEXT_USE)
#define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
@@ -401,6 +425,17 @@
};
#define bnx2x_fp(bp, nr, var) (bp->fp[nr].var)
+#ifdef BCM_CNIC
+/* FCoE L2 `fastpath' is right after the eth entries */
+#define FCOE_IDX BNX2X_NUM_ETH_QUEUES(bp)
+#define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX])
+#define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
+#define IS_FCOE_FP(fp) (fp->index == FCOE_IDX)
+#define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX)
+#else
+#define IS_FCOE_FP(fp) false
+#define IS_FCOE_IDX(idx) false
+#endif
/* MC hsi */
@@ -669,7 +704,9 @@
enum {
CAM_ETH_LINE = 0,
CAM_ISCSI_ETH_LINE,
- CAM_MAX_PF_LINE = CAM_ISCSI_ETH_LINE
+ CAM_FIP_ETH_LINE,
+ CAM_FIP_MCAST_LINE,
+ CAM_MAX_PF_LINE = CAM_FIP_MCAST_LINE
};
/* number of MACs per function in NIG memory - used for SI mode */
#define NIG_LLH_FUNC_MEM_SIZE 16
@@ -714,6 +751,14 @@
*/
#define L2_FP_COUNT(cid_cnt) ((cid_cnt) - CNIC_CONTEXT_USE)
+/*
+ * The number of FP-SB allocated by the driver == max number of regular L2
+ * queues + 1 for the CNIC which also consumes an FP-SB
+ */
+#define FP_SB_COUNT(cid_cnt) ((cid_cnt) - FCOE_CONTEXT_USE)
+#define NUM_IGU_SB_REQUIRED(cid_cnt) \
+ (FP_SB_COUNT(cid_cnt) - NONE_ETH_CONTEXT_USE)
+
union cdu_context {
struct eth_context eth;
char pad[1024];
@@ -726,7 +771,8 @@
#ifdef BCM_CNIC
#define CNIC_ISCSI_CID_MAX 256
-#define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX)
+#define CNIC_FCOE_CID_MAX 2048
+#define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
#define CNIC_ILT_LINES DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
#endif
@@ -922,6 +968,10 @@
#define DISABLE_MSI_FLAG 0x200
#define BP_NOMCP(bp) (bp->flags & NO_MCP_FLAG)
#define MF_FUNC_DIS 0x1000
+#define FCOE_MACS_SET 0x2000
+#define NO_FCOE_FLAG 0x4000
+
+#define NO_FCOE(bp) ((bp)->flags & NO_FCOE_FLAG)
int pf_num; /* absolute PF number */
int pfid; /* per-path PF number */
@@ -1069,7 +1119,8 @@
u16 cnic_kwq_pending;
u16 cnic_spq_pending;
struct mutex cnic_mutex;
- u8 iscsi_mac[6];
+ u8 iscsi_mac[ETH_ALEN];
+ u8 fip_mac[ETH_ALEN];
#endif
int dmae_ready;
@@ -1159,10 +1210,17 @@
#define RSS_IPV6_TCP_CAP 0x0008
#define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
+#define BNX2X_NUM_ETH_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - NONE_ETH_CONTEXT_USE)
+
+/* ethtool statistics are displayed for all regular ethernet queues and the
+ * fcoe L2 queue if not disabled
+ */
+#define BNX2X_NUM_STAT_QUEUES(bp) (NO_FCOE(bp) ? BNX2X_NUM_ETH_QUEUES(bp) : \
+ (BNX2X_NUM_ETH_QUEUES(bp) + FCOE_CONTEXT_USE))
+
#define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
#define BNX2X_MAX_QUEUES(bp) (bp->igu_sb_cnt - CNIC_CONTEXT_USE)
-#define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1)
#define RSS_IPV4_CAP_MASK \
TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
@@ -1255,6 +1313,7 @@
u16 cl_id;
u32 cid;
u8 poll;
+#define CLIENT_IS_FCOE 0x01
#define CLIENT_IS_LEADING_RSS 0x02
u8 flags;
};
@@ -1287,11 +1346,54 @@
u16 spq_prod; /* valid iff FUNC_FLG_SPQ */
};
-#define for_each_queue(bp, var) \
- for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++)
-#define for_each_nondefault_queue(bp, var) \
- for (var = 1; var < BNX2X_NUM_QUEUES(bp); var++)
+#define for_each_eth_queue(bp, var) \
+ for (var = 0; var < BNX2X_NUM_ETH_QUEUES(bp); var++)
+#define for_each_nondefault_eth_queue(bp, var) \
+ for (var = 1; var < BNX2X_NUM_ETH_QUEUES(bp); var++)
+
+#define for_each_napi_queue(bp, var) \
+ for (var = 0; \
+ var < BNX2X_NUM_ETH_QUEUES(bp) + FCOE_CONTEXT_USE; var++) \
+ if (skip_queue(bp, var)) \
+ continue; \
+ else
+
+#define for_each_queue(bp, var) \
+ for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++) \
+ if (skip_queue(bp, var)) \
+ continue; \
+ else
+
+#define for_each_rx_queue(bp, var) \
+ for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++) \
+ if (skip_rx_queue(bp, var)) \
+ continue; \
+ else
+
+#define for_each_tx_queue(bp, var) \
+ for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++) \
+ if (skip_tx_queue(bp, var)) \
+ continue; \
+ else
+
+#define for_each_nondefault_queue(bp, var) \
+ for (var = 1; var < BNX2X_NUM_QUEUES(bp); var++) \
+ if (skip_queue(bp, var)) \
+ continue; \
+ else
+
+/* skip rx queue
+ * if FCOE l2 support is diabled and this is the fcoe L2 queue
+ */
+#define skip_rx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
+
+/* skip tx queue
+ * if FCOE l2 support is diabled and this is the fcoe L2 queue
+ */
+#define skip_tx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
+
+#define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
#define WAIT_RAMROD_POLL 0x01
#define WAIT_RAMROD_COMMON 0x02
@@ -1615,10 +1717,6 @@
MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
(T_ETH_MAC_COMMAND_INVALIDATE))
-#define CAM_INVALIDATE(x) \
- (x.target_table_entry.flags = TSTORM_CAM_TARGET_TABLE_ENTRY_ACTION_TYPE)
-
-
/* Number of u32 elements in MC hash array */
#define MC_HASH_SIZE 8
#define MC_HASH_OFFSET(bp, i) (BAR_TSTRORM_INTMEM + \