cxgb3: Added private MAC address and provisioning packet handler for iSCSI

This patch added support of private MAC address per port and provisioning
packet handler for iSCSI traffic only.

The above changes are isolated to the cxgb3 driver, independent of any scsi or iscsi driver changes.

Acked-by: Karen Xie <kxie@chelsio.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Rakesh Ranjan <rakesh@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 2b1aea6aa558..3e8618b4efbc 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -48,12 +48,27 @@
 struct vlan_group;
 struct adapter;
 struct sge_qset;
+struct port_info;
 
 enum {                  /* rx_offload flags */
         T3_RX_CSUM      = 1 << 0,
         T3_LRO          = 1 << 1,
 };
 
+enum mac_idx_types {
+        LAN_MAC_IDX     = 0,
+        SAN_MAC_IDX,
+
+        MAX_MAC_IDX
+};
+
+struct iscsi_config {
+        __u8    mac_addr[ETH_ALEN];
+        __u32   flags;
+        int (*send)(struct port_info *pi, struct sk_buff **skb);
+        int (*recv)(struct port_info *pi, struct sk_buff *skb);
+};
+
 struct port_info {
         struct adapter *adapter;
         struct vlan_group *vlan_grp;
@@ -68,6 +83,7 @@ struct port_info {
         struct net_device_stats netstats;
         int activity;
         __be32 iscsi_ipv4addr;
+        struct iscsi_config iscsic;
 
         int link_fault; /* link fault was detected */
 };