diff options
| author |   Xiao Yang <yangx.jy@fujitsu.com> | 2021-12-29 11:44:38 +0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2022-02-08 11:54:38 -0400 |
| commit | b1377cc37f6bebd57ce8747b7e16163a475af295 (patch) | |
| tree | f92297ce0df3abe0e42f9ebed15c20cb5ea4743a /drivers/infiniband/sw/rxe/rxe_resp.c | |
| parent | RDMA/mlx4: remove redundant assignment to variable nreq (diff) | |
| download | linux-dev-b1377cc37f6bebd57ce8747b7e16163a475af295.tar.xz linux-dev-b1377cc37f6bebd57ce8747b7e16163a475af295.zip | |
RDMA/rxe: Check the last packet by RXE_END_MASK
It's wrong to check the last packet by RXE_COMP_MASK because the flag is
to indicate if responder needs to generate a completion.
Fixes: 9fcd67d1772c ("IB/rxe: increment msn only when completing a request")
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20211229034438.1854908-1-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_resp.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_resp.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index e8f435fa6e4d..380934e38923 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -814,6 +814,10 @@ static enum resp_states execute(struct rxe_qp *qp, struct rxe_pkt_info *pkt) return RESPST_ERR_INVALIDATE_RKEY; } + if (pkt->mask & RXE_END_MASK) + /* We successfully processed this new request. */ + qp->resp.msn++; + /* next expected psn, read handles this separately */ qp->resp.psn = (pkt->psn + 1) & BTH_PSN_MASK; qp->resp.ack_psn = qp->resp.psn; @@ -821,11 +825,9 @@ static enum resp_states execute(struct rxe_qp *qp, struct rxe_pkt_info *pkt) qp->resp.opcode = pkt->opcode; qp->resp.status = IB_WC_SUCCESS; - if (pkt->mask & RXE_COMP_MASK) { - /* We successfully processed this new request. */ - qp->resp.msn++; + if (pkt->mask & RXE_COMP_MASK) return RESPST_COMPLETE; - } else if (qp_type(qp) == IB_QPT_RC) + else if (qp_type(qp) == IB_QPT_RC) return RESPST_ACKNOWLEDGE; else return RESPST_CLEANUP; |