RDMA/nes: Implement IB_SIGNAL_ALL_WR as an iWARP extension

Add IB_SINGAL_ALL_WR support as an iWARP extension.  If set, make sure
all WR for the QP are signalled.  Consolidate flags used in nesqp
structure.

Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 13 insertions, 8 deletions

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 0a2b18bad6ee..8ea75614b87c 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1407,6 +1407,8 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
                         return ERR_PTR(-EINVAL);
         }
 
+        nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR);
+
         /* update the QP table */
         nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp;
         nes_debug(NES_DBG_QP, "netdev refcnt=%u\n",
@@ -3502,9 +3504,9 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
                 if (err)
                         break;
 
-                if (ib_wr->send_flags & IB_SEND_SIGNALED) {
+                if ((ib_wr->send_flags & IB_SEND_SIGNALED) || nesqp->sig_all)
                         wqe_misc |= NES_IWARP_SQ_WQE_SIGNALED_COMPL;
-                }
+
                 wqe->wqe_words[NES_IWARP_SQ_WQE_MISC_IDX] = cpu_to_le32(wqe_misc);
 
                 ib_wr = ib_wr->next;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h
index 89822d75f82e..ac8b86b8cc11 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.h
+++ b/drivers/infiniband/hw/nes/nes_verbs.h
@@ -167,17 +167,20 @@ struct nes_qp {
         enum ib_event_type    terminate_eventtype;
         wait_queue_head_t     kick_waitq;
         u16                   in_disconnect;
+        u16                   active_conn:1;
+        u16                   skip_lsmm:1;
+        u16                   user_mode:1;
+        u16                   hte_added:1;
+        u16                   flush_issued:1;
+        u16                   destroyed:1;
+        u16                   sq_kmapped:1;
+        u16                   sig_all:1;
+        u16                   rsvd:8;
         u16                   private_data_len;
         u16                   term_sq_flush_code;
         u16                   term_rq_flush_code;
-        u8                    active_conn;
-        u8                    skip_lsmm;
-        u8                    user_mode;
-        u8                    hte_added;
         u8                    hw_iwarp_state;
-        u8                    flush_issued;
         u8                    hw_tcp_state;
         u8                    term_flags;
-        u8                    destroyed;
 };
 #endif                  /* NES_VERBS_H */