cnic: Add FCoE support on 57712

- Connection ID (cid) management
- Slow-path command and response support
- Update version to 2.2.11.
Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/cnic.h

@@ -291,6 +291,10 @@ struct cnic_local {
 	atomic_t		iscsi_conn;
 	u32			iscsi_start_cid;
 
+	u32			fcoe_init_cid;
+	u32			fcoe_start_cid;
+	struct cnic_id_tbl	fcoe_cid_tbl;
+
 	u32			max_cid_space;
 
 	/* per connection parameters */
@@ -368,6 +372,10 @@ struct bnx2x_bd_chain_next {
 #define BNX2X_ISCSI_PBL_NOT_CACHED	0xff
 #define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED	0xff
 
+#define BNX2X_FCOE_NUM_CONNECTIONS	128
+
+#define BNX2X_FCOE_L5_CID_BASE		MAX_ISCSI_TBL_SZ
+
 #define BNX2X_CHIP_NUM_57710		0x164e
 #define BNX2X_CHIP_NUM_57711		0x164f
 #define BNX2X_CHIP_NUM_57711E		0x1650
@@ -426,6 +434,10 @@ struct bnx2x_bd_chain_next {
 #define BNX2X_MF_CFG_ADDR(base, field)				\
 			((base) + offsetof(struct mf_cfg, field))
 
+#ifndef ETH_MAX_RX_CLIENTS_E2
+#define ETH_MAX_RX_CLIENTS_E2 		ETH_MAX_RX_CLIENTS_E1H
+#endif
+
 #define CNIC_PORT(cp)			((cp)->pfid & 1)
 #define CNIC_FUNC(cp)			((cp)->func)
 #define CNIC_PATH(cp)			(!BNX2X_CHIP_IS_E2(cp->chip_id) ? 0 :\
@@ -438,7 +450,9 @@ struct bnx2x_bd_chain_next {
 #define BNX2X_SW_CID(x)			(x & 0x1ffff)
 
 #define BNX2X_CL_QZONE_ID(cp, cli)					\
-		(cli + (CNIC_PORT(cp) * ETH_MAX_RX_CLIENTS_E1H))
+		(cli + (CNIC_PORT(cp) * (BNX2X_CHIP_IS_E2(cp->chip_id) ?\
+					ETH_MAX_RX_CLIENTS_E2 :		\
+					ETH_MAX_RX_CLIENTS_E1H)))
 
 #define TCP_TSTORM_OOO_DROP_AND_PROC_ACK	(0<<4)
 #endif

drivers/net/cnic_if.h

@@ -12,22 +12,31 @@
 #ifndef CNIC_IF_H
 #define CNIC_IF_H
 
-#define CNIC_MODULE_VERSION	"2.2.6"
-#define CNIC_MODULE_RELDATE	"Oct 12, 2010"
+#define CNIC_MODULE_VERSION	"2.2.11"
+#define CNIC_MODULE_RELDATE	"Dec 22, 2010"
 
 #define CNIC_ULP_RDMA		0
 #define CNIC_ULP_ISCSI		1
-#define CNIC_ULP_L4		2
-#define MAX_CNIC_ULP_TYPE_EXT	2
-#define MAX_CNIC_ULP_TYPE	3
+#define CNIC_ULP_FCOE		2
+#define CNIC_ULP_L4		3
+#define MAX_CNIC_ULP_TYPE_EXT	3
+#define MAX_CNIC_ULP_TYPE	4
 
 struct kwqe {
 	u32 kwqe_op_flag;
 
+#define KWQE_QID_SHIFT		8
 #define KWQE_OPCODE_MASK	0x00ff0000
 #define KWQE_OPCODE_SHIFT	16
-#define KWQE_FLAGS_LAYER_SHIFT	28
 #define KWQE_OPCODE(x)		((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)
+#define KWQE_LAYER_MASK			0x70000000
+#define KWQE_LAYER_SHIFT		28
+#define KWQE_FLAGS_LAYER_MASK_L2	(2<<28)
+#define KWQE_FLAGS_LAYER_MASK_L3	(3<<28)
+#define KWQE_FLAGS_LAYER_MASK_L4	(4<<28)
+#define KWQE_FLAGS_LAYER_MASK_L5_RDMA	(5<<28)
+#define KWQE_FLAGS_LAYER_MASK_L5_ISCSI	(6<<28)
+#define KWQE_FLAGS_LAYER_MASK_L5_FCOE	(7<<28)
 
 	u32 kwqe_info0;
 	u32 kwqe_info1;
@@ -62,6 +71,7 @@ struct kcqe {
 		#define KCQE_FLAGS_LAYER_MASK_L4	(4<<28)
 		#define KCQE_FLAGS_LAYER_MASK_L5_RDMA	(5<<28)
 		#define KCQE_FLAGS_LAYER_MASK_L5_ISCSI	(6<<28)
+		#define KCQE_FLAGS_LAYER_MASK_L5_FCOE	(7<<28)
 		#define KCQE_FLAGS_NEXT 		(1<<31)
 		#define KCQE_FLAGS_OPCODE_MASK		(0xff<<16)
 		#define KCQE_FLAGS_OPCODE_SHIFT		(16)