bnx2x, bnx2fc, bnx2i, cnic: Add statistics support and FCoE capabilities advertisement

1. When FCoE offload driver is registered, copy its capabilities to the chip
   scratchpad.
2. Copy FCoE/iSCSI MAC addresses in aligned manner to chip scratchpad.
3. Add FCoE/iSCSI statistics collection support

Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 65e66caea50d..0e9be2ba924e 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -256,11 +256,16 @@ static void cnic_ulp_ctl(struct cnic_dev *dev, int ulp_type, bool reg)
         struct cnic_local *cp = dev->cnic_priv;
         struct cnic_eth_dev *ethdev = cp->ethdev;
         struct drv_ctl_info info;
+        struct fcoe_capabilities *fcoe_cap =
+                &info.data.register_data.fcoe_features;
 
-        if (reg)
+        if (reg) {
                 info.cmd = DRV_CTL_ULP_REGISTER_CMD;
-        else
+                if (ulp_type == CNIC_ULP_FCOE && dev->fcoe_cap)
+                        memcpy(fcoe_cap, dev->fcoe_cap, sizeof(*fcoe_cap));
+        } else {
                 info.cmd = DRV_CTL_ULP_UNREGISTER_CMD;
+        }
 
         info.data.ulp_type = ulp_type;
         ethdev->drv_ctl(dev->netdev, &info);
@@ -611,6 +616,8 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
 
         if (ulp_type == CNIC_ULP_ISCSI)
                 cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
+        else if (ulp_type == CNIC_ULP_FCOE)
+                dev->fcoe_cap = NULL;
 
         synchronize_rcu();