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authorRalph Campbell <ralph.campbell@qlogic.com>2008-12-05 19:13:18 (GMT)
committerRoland Dreier <rolandd@cisco.com>2008-12-05 19:13:18 (GMT)
commitfab01fc56063dafcc083f481ac0f9e6b5a576dd6 (patch)
tree8b1063ec87ec440b3bc85efe31970948087ad818 /drivers/infiniband/hw/ipath
parent7c37d74474c8ee8ddcd5a2d2a9571d4a1290c844 (diff)
downloadlinux-fsl-qoriq-fab01fc56063dafcc083f481ac0f9e6b5a576dd6.tar.xz
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')
-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 7b93cda..9170710 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++;