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RDMA/nes: Implement IB_SIGNAL_ALL_WR as an iWARP extension

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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>
This commit is contained in:
Chien Tung 2009-12-09 15:21:56 -08:00 committed by Roland Dreier
parent a276510328
commit d14152da13
2 changed files with 13 additions and 8 deletions
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6
drivers/infiniband/hw/nes/nes_verbs.c
View file

@ -1407,6 +1407,8 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
} }
nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR);
/* update the QP table */ /* update the QP table */
nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp; nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp;
nes_debug(NES_DBG_QP, "netdev refcnt=%u\n", 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) if (err)
break; 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_misc |= NES_IWARP_SQ_WQE_SIGNALED_COMPL;
}
wqe->wqe_words[NES_IWARP_SQ_WQE_MISC_IDX] = cpu_to_le32(wqe_misc); wqe->wqe_words[NES_IWARP_SQ_WQE_MISC_IDX] = cpu_to_le32(wqe_misc);
ib_wr = ib_wr->next; ib_wr = ib_wr->next;

15
drivers/infiniband/hw/nes/nes_verbs.h
View file

@ -167,17 +167,20 @@ struct nes_qp {
enum ib_event_type terminate_eventtype; enum ib_event_type terminate_eventtype;
wait_queue_head_t kick_waitq; wait_queue_head_t kick_waitq;
u16 in_disconnect; 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 private_data_len;
u16 term_sq_flush_code; u16 term_sq_flush_code;
u16 term_rq_flush_code; u16 term_rq_flush_code;
u8 active_conn;
u8 skip_lsmm;
u8 user_mode;
u8 hte_added;
u8 hw_iwarp_state; u8 hw_iwarp_state;
u8 flush_issued;
u8 hw_tcp_state; u8 hw_tcp_state;
u8 term_flags; u8 term_flags;
u8 destroyed;
}; };
#endif /* NES_VERBS_H */ #endif /* NES_VERBS_H */