summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/ipath/ipath_rc.c
diff options
context:
space:
mode:
authorRalph Campbell <ralph.campbell@qlogic.com>2008-12-05 11:13:18 -0800
committerRoland Dreier <rolandd@cisco.com>2008-12-05 11:13:18 -0800
commitfab01fc56063dafcc083f481ac0f9e6b5a576dd6 (patch)
tree8b1063ec87ec440b3bc85efe31970948087ad818 /drivers/infiniband/hw/ipath/ipath_rc.c
parent7c37d74474c8ee8ddcd5a2d2a9571d4a1290c844 (diff)
IB/ipath: Fix PSN of send WQEs after an RDMA read resend
The PSN of the first packet after an RDMA read is based on the size of the RDMA read request. This is calculated correctly for the WQE sent after the first request message but not on subsequent requests if the RDMA read is resent. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_rc.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_rc.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 7b93cda1a4b..9170710b950 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -573,9 +573,8 @@ int ipath_make_rc_req(struct ipath_qp *qp)
ohdr->u.rc.reth.length = cpu_to_be32(qp->s_len);
qp->s_state = OP(RDMA_READ_REQUEST);
hwords += sizeof(ohdr->u.rc.reth) / sizeof(u32);
- bth2 = qp->s_psn++ & IPATH_PSN_MASK;
- if (ipath_cmp24(qp->s_psn, qp->s_next_psn) > 0)
- qp->s_next_psn = qp->s_psn;
+ bth2 = qp->s_psn & IPATH_PSN_MASK;
+ qp->s_psn = wqe->lpsn + 1;
ss = NULL;
len = 0;
qp->s_cur++;