diff options
| -rw-r--r-- | drivers/infiniband/core/mad.c | 9 | ||||
| -rw-r--r-- | drivers/infiniband/core/mad_priv.h | 3 | ||||
| -rw-r--r-- | drivers/infiniband/core/mad_rmpp.c | 2 | ||||
| -rw-r--r-- | include/rdma/ib_mad.h | 4 |
4 files changed, 13 insertions, 5 deletions
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 649335a0331..5eace995836 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1100,7 +1100,9 @@ int ib_post_send_mad(struct ib_mad_send_buf *send_buf, mad_send_wr->tid = ((struct ib_mad_hdr *) send_buf->mad)->tid; /* Timeout will be updated after send completes */ mad_send_wr->timeout = msecs_to_jiffies(send_buf->timeout_ms); - mad_send_wr->retries = send_buf->retries; + mad_send_wr->max_retries = send_buf->retries; + mad_send_wr->retries_left = send_buf->retries; + send_buf->retries = 0; /* Reference for work request to QP + response */ mad_send_wr->refcount = 1 + (mad_send_wr->timeout > 0); mad_send_wr->status = IB_WC_SUCCESS; @@ -2436,9 +2438,12 @@ static int retry_send(struct ib_mad_send_wr_private *mad_send_wr) { int ret; - if (!mad_send_wr->retries--) + if (!mad_send_wr->retries_left) return -ETIMEDOUT; + mad_send_wr->retries_left--; + mad_send_wr->send_buf.retries++; + mad_send_wr->timeout = msecs_to_jiffies(mad_send_wr->send_buf.timeout_ms); if (mad_send_wr->mad_agent_priv->agent.rmpp_version) { diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index 9be5cc00a3a..8b75010016e 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -131,7 +131,8 @@ struct ib_mad_send_wr_private { struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG]; __be64 tid; unsigned long timeout; - int retries; + int max_retries; + int retries_left; int retry; int refcount; enum ib_wc_status status; diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c index d43bc62005b..a5e2a310f31 100644 --- a/drivers/infiniband/core/mad_rmpp.c +++ b/drivers/infiniband/core/mad_rmpp.c @@ -684,7 +684,7 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent, if (seg_num > mad_send_wr->last_ack) { adjust_last_ack(mad_send_wr, seg_num); - mad_send_wr->retries = mad_send_wr->send_buf.retries; + mad_send_wr->retries_left = mad_send_wr->max_retries; } mad_send_wr->newwin = newwin; if (mad_send_wr->last_ack == mad_send_wr->send_buf.seg_count) { diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 8ec3799e42e..7228c056b9e 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -230,7 +230,9 @@ struct ib_class_port_info * @seg_count: The number of RMPP segments allocated for this send. * @seg_size: Size of each RMPP segment. * @timeout_ms: Time to wait for a response. - * @retries: Number of times to retry a request for a response. + * @retries: Number of times to retry a request for a response. For MADs + * using RMPP, this applies per window. On completion, returns the number + * of retries needed to complete the transfer. * * Users are responsible for initializing the MAD buffer itself, with the * exception of any RMPP header. Additional segment buffer space allocated |