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ib_srpt: Reduce QP max_recv_sge to 1

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8939 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-05-19 22:05:51 +00:00
parent 543989b3a2
commit b2536f47cf
2 changed files with 1 additions and 6 deletions
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srpt/src/ib_srpt.c
+1 -4
View File
@@ -2331,10 +2331,8 @@ retry:
qp_init->cap.max_send_wr = sq_size;
#if HAVE_DEV_ATTR_MAX_SEND_SGE
ch->max_send_sge = sdev->dev_attr.max_send_sge;
ch->max_recv_sge = sdev->dev_attr.max_recv_sge;
#else
ch->max_send_sge = sdev->dev_attr.max_sge;
ch->max_recv_sge = ch->max_send_sge;
#endif
/*
* For max_sge values > 2 * max_sge_delta, subtract max_sge_delta. For
@@ -2346,12 +2344,11 @@ retry:
max_t(int, 0,
ch->max_send_sge - max_sge_delta));
qp_init->cap.max_send_sge = ch->max_send_sge;
qp_init->cap.max_recv_sge = ch->max_recv_sge;
qp_init->cap.max_recv_sge = 1;
if (sdev->use_srq) {
qp_init->srq = sdev->srq;
} else {
qp_init->cap.max_recv_wr = ch->rq_size;
qp_init->cap.max_recv_sge = ch->max_recv_sge;
}
if (ch->using_rdma_cm) {
srpt/src/ib_srpt.h
-2
View File
@@ -382,7 +382,6 @@ enum rdma_ch_state {
* @kref: kref for this channel.
* @rq_size: IB receive queue size.
* @max_send_sge: Maximum length of RDMA send scatter list.
* @max_recv_sge: Maximum length of RDMA receive scatter list.
* @max_rsp_size: Maximum size of an SRP response message in bytes.
* @sq_wr_avail: number of work requests available in the send queue.
* @sport: pointer to the information of the HCA port used by this
@@ -428,7 +427,6 @@ struct srpt_rdma_ch {
struct kref kref;
int rq_size;
u32 max_send_sge;
u32 max_recv_sge;
u32 max_rsp_size;
atomic_t sq_wr_avail;
struct srpt_port *sport;