bnx2x: Implementation for netdev->ndo_fcoe_get_wwn

Signed-off-by: Vladislav Zolotarov <vladz@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_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 8b079dc..3aadc30 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -3327,6 +3327,29 @@ int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
        return LINK_CONFIG_IDX(sel_phy_idx);
 }
 
+#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
+int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
+{
+       struct bnx2x *bp = netdev_priv(dev);
+       struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+
+       switch (type) {
+       case NETDEV_FCOE_WWNN:
+               *wwn = HILO_U64(cp->fcoe_wwn_node_name_hi,
+                               cp->fcoe_wwn_node_name_lo);
+               break;
+       case NETDEV_FCOE_WWPN:
+               *wwn = HILO_U64(cp->fcoe_wwn_port_name_hi,
+                               cp->fcoe_wwn_port_name_lo);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+#endif
+
 /* called with rtnl_lock */
 int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
 {

diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h
index 83d7d1b..223bfee 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/bnx2x/bnx2x_cmn.h
@@ -522,6 +522,17 @@ void bnx2x_free_mem_bp(struct bnx2x *bp);
  */
 int bnx2x_change_mtu(struct net_device *dev, int new_mtu);
 
+#if defined(BCM_CNIC) && (defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE))
+/**
+ * bnx2x_fcoe_get_wwn - return the requested WWN value for this port
+ *
+ * @dev:       net_device
+ * @wwn:       output buffer
+ * @type:      WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
+ *
+ */
+int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
+#endif
 u32 bnx2x_fix_features(struct net_device *dev, u32 features);
 int bnx2x_set_features(struct net_device *dev, u32 features);
 

diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 28ef7fa..121df1f 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -9104,10 +9104,13 @@ static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
 #ifdef BCM_CNIC
 static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
 {
+       int port = BP_PORT(bp);
+       int func = BP_ABS_FUNC(bp);
+
        u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
-                               drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
+                               drv_lic_key[port].max_iscsi_conn);
        u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
-                               drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
+                               drv_lic_key[port].max_fcoe_conn);
 
        /* Get the number of maximum allowed iSCSI and FCoE connections */
        bp->cnic_eth_dev.max_iscsi_conn =
@@ -9118,11 +9121,59 @@ static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
                (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
                BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
 
+       /* Read the WWN: */
+       if (!IS_MF(bp)) {
+               /* Port info */
+               bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
+                       SHMEM_RD(bp,
+                               dev_info.port_hw_config[port].
+                                fcoe_wwn_port_name_upper);
+               bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
+                       SHMEM_RD(bp,
+                               dev_info.port_hw_config[port].
+                                fcoe_wwn_port_name_lower);
+
+               /* Node info */
+               bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
+                       SHMEM_RD(bp,
+                               dev_info.port_hw_config[port].
+                                fcoe_wwn_node_name_upper);
+               bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
+                       SHMEM_RD(bp,
+                               dev_info.port_hw_config[port].
+                                fcoe_wwn_node_name_lower);
+       } else if (!IS_MF_SD(bp)) {
+               u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
+
+               /*
+                * Read the WWN info only if the FCoE feature is enabled for
+                * this function.
+                */
+               if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
+                       /* Port info */
+                       bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
+                               MF_CFG_RD(bp, func_ext_config[func].
+                                               fcoe_wwn_port_name_upper);
+                       bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
+                               MF_CFG_RD(bp, func_ext_config[func].
+                                               fcoe_wwn_port_name_lower);
+
+                       /* Node info */
+                       bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
+                               MF_CFG_RD(bp, func_ext_config[func].
+                                               fcoe_wwn_node_name_upper);
+                       bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
+                               MF_CFG_RD(bp, func_ext_config[func].
+                                               fcoe_wwn_node_name_lower);
+               }
+       }
+
        BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
                       bp->cnic_eth_dev.max_iscsi_conn,
                       bp->cnic_eth_dev.max_fcoe_conn);
 
-       /* If mamimum allowed number of connections is zero -
+       /*
+        * If maximum allowed number of connections is zero -
         * disable the feature.
         */
        if (!bp->cnic_eth_dev.max_iscsi_conn)
@@ -9993,6 +10044,9 @@ static const struct net_device_ops bnx2x_netdev_ops = {
 #endif
        .ndo_setup_tc           = bnx2x_setup_tc,
 
+#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
+       .ndo_fcoe_get_wwn       = bnx2x_fcoe_get_wwn,
+#endif
 };
 
 static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)

diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index 642b9d5..8a1ffbe 100644 (file)
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -181,6 +181,11 @@ struct cnic_eth_dev {
        u32             max_fcoe_conn;
        u32             max_rdma_conn;
        u32             fcoe_init_cid;
+       u32             fcoe_wwn_port_name_hi;
+       u32             fcoe_wwn_port_name_lo;
+       u32             fcoe_wwn_node_name_hi;
+       u32             fcoe_wwn_node_name_lo;
+
        u16             iscsi_l2_client_id;
        u16             iscsi_l2_cid;
        u8              iscsi_mac[ETH_ALEN];