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| author |   Bob Pearson <rpearsonhpe@gmail.com> | 2021-06-17 23:57:42 -0500 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-06-22 15:38:53 -0300 |
| commit | 3896bde92d036de4376b9b4dfa3753ea23659f30 (patch) | |
| tree | 2e0ba130d55ed7bbfc5e0b02e271ae11b4476033 /drivers/infiniband/sw/rxe | |
| parent | RDMA/rxe: Fix over copying in get_srq_wqe (diff) | |
| download | linux-dev-3896bde92d036de4376b9b4dfa3753ea23659f30.tar.xz linux-dev-3896bde92d036de4376b9b4dfa3753ea23659f30.zip | |
RDMA/rxe: Fix extra copy in prepare_ack_packet
Currently prepare_ack_packet writes almost all the fields of the BTH in
the ack packet twice. Replace code with the subroutine init_bth().
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20210618045742.204195-6-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_resp.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index 93322d20c0ab..72cdb170b67b 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -637,18 +637,11 @@ static struct sk_buff *prepare_ack_packet(struct rxe_qp *qp, ack->opcode = opcode; ack->mask = rxe_opcode[opcode].mask; ack->paylen = paylen; - - /* fill in bth using the request packet headers */ - memcpy(ack->hdr, pkt->hdr, RXE_BTH_BYTES); - - bth_set_opcode(ack, opcode); - bth_set_qpn(ack, qp->attr.dest_qp_num); - bth_set_pad(ack, pad); - bth_set_se(ack, 0); - bth_set_psn(ack, psn); - bth_set_ack(ack, 0); ack->psn = psn; + bth_init(ack, opcode, 0, 0, pad, IB_DEFAULT_PKEY_FULL, + qp->attr.dest_qp_num, 0, psn); + if (ack->mask & RXE_AETH_MASK) { aeth_set_syn(ack, syndrome); aeth_set_msn(ack, qp->resp.msn); |