cnic: Call cm_connect_complete() immediately on error

If we get a path_resp error from userspace, call cm_connect_complete()
immediately with error so that bnx2i can react to the error faster.

Signed-off-by: Eddie Wai <waie@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 1240deaf2420..36c1578a1b1e 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -322,6 +322,8 @@ static int cnic_send_nlmsg(struct cnic_local *cp, u32 type,
         return 0;
 }
 
+static void cnic_cm_upcall(struct cnic_local *, struct cnic_sock *, u8);
+
 static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
                                   char *buf, u16 len)
 {
@@ -351,7 +353,9 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
                 }
                 csk = &cp->csk_tbl[l5_cid];
                 csk_hold(csk);
-                if (cnic_in_use(csk)) {
+                if (cnic_in_use(csk) &&
+                    test_bit(SK_F_CONNECT_START, &csk->flags)) {
+
                         memcpy(csk->ha, path_resp->mac_addr, 6);
                         if (test_bit(SK_F_IPV6, &csk->flags))
                                 memcpy(&csk->src_ip[0], &path_resp->src.v6_addr,
@@ -359,8 +363,16 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
                         else
                                 memcpy(&csk->src_ip[0], &path_resp->src.v4_addr,
                                        sizeof(struct in_addr));
-                        if (is_valid_ether_addr(csk->ha))
+
+                        if (is_valid_ether_addr(csk->ha)) {
                                 cnic_cm_set_pg(csk);
+                        } else if (!test_bit(SK_F_OFFLD_SCHED, &csk->flags) &&
+                                !test_bit(SK_F_OFFLD_COMPLETE, &csk->flags)) {
+
+                                cnic_cm_upcall(cp, csk,
+                                        L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
+                                clear_bit(SK_F_CONNECT_START, &csk->flags);
+                        }
                 }
                 csk_put(csk);
                 rcu_read_unlock();