diff options
| author | Honggang LI <honggangli@163.com> | 2024-06-24 04:03:48 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2024-06-26 15:53:29 +0200 |
| commit | 4adcaf969d77d3d3aa3871bbadc196258a38aec6 (patch) | |
| tree | 2d597a711679a48bb43fa3061e52d8cc93d6e9e4 /drivers/infiniband/sw | |
| parent | IB/isert: remove the handling of last WQE reached event (diff) | |
| download | linux-4adcaf969d77d3d3aa3871bbadc196258a38aec6.tar.xz linux-4adcaf969d77d3d3aa3871bbadc196258a38aec6.zip | |
RDMA/rxe: Don't set BTH_ACK_MASK for UC or UD QPs
BTH_ACK_MASK bit is used to indicate that an acknowledge
(for this packet) should be scheduled by the responder.
Both UC and UD QPs are unacknowledged, so don't set
BTH_ACK_MASK for UC or UD QPs.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Honggang LI <honggangli@163.com>
Link: https://lore.kernel.org/r/20240624020348.494338-1-honggangli@163.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_req.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index cd14c4c2dff9..479c07e6e4ed 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -424,7 +424,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, int paylen; int solicited; u32 qp_num; - int ack_req; + int ack_req = 0; /* length from start of bth to end of icrc */ paylen = rxe_opcode[opcode].length + payload + pad + RXE_ICRC_SIZE; @@ -445,8 +445,9 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, qp_num = (pkt->mask & RXE_DETH_MASK) ? ibwr->wr.ud.remote_qpn : qp->attr.dest_qp_num; - ack_req = ((pkt->mask & RXE_END_MASK) || - (qp->req.noack_pkts++ > RXE_MAX_PKT_PER_ACK)); + if (qp_type(qp) != IB_QPT_UD && qp_type(qp) != IB_QPT_UC) + ack_req = ((pkt->mask & RXE_END_MASK) || + (qp->req.noack_pkts++ > RXE_MAX_PKT_PER_ACK)); if (ack_req) qp->req.noack_pkts = 0; |