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>

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 0a2b18b..8ea7561 100644 (file)
--- 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 89822d7..ac8b86b 100644 (file)
--- 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 */