diff options
| author | Li Zhijian <lizhijian@fujitsu.com> | 2022-12-06 21:01:59 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-09 19:36:02 -0400 |
| commit | 70aad902ce8aeb094dd3ef14988a652f24cce7c8 (patch) | |
| tree | 6c44abeac91676645eb841c2bfd9a493b1745586 /drivers/infiniband | |
| parent | ea1bb00ee9a5527b032a6efebe4a879db4cb42bb (diff) | |
| download | linux-stable-70aad902ce8aeb094dd3ef14988a652f24cce7c8.tar.gz linux-stable-70aad902ce8aeb094dd3ef14988a652f24cce7c8.tar.bz2 linux-stable-70aad902ce8aeb094dd3ef14988a652f24cce7c8.zip | |
RDMA/rxe: Implement flush completion
Per IBA SPEC, FLUSH will ack in rdma read response with 0 length.
Use IB_WC_FLUSH (aka IB_UVERBS_WC_FLUSH) code to tell userspace a FLUSH
completion.
Link: https://lore.kernel.org/r/20221206130201.30986-9-lizhijian@fujitsu.com
Reviewed-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_comp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 1c525325e271..20737fec392b 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -105,6 +105,7 @@ static enum ib_wc_opcode wr_to_wc_opcode(enum ib_wr_opcode opcode) case IB_WR_REG_MR: return IB_WC_REG_MR; case IB_WR_BIND_MW: return IB_WC_BIND_MW; case IB_WR_ATOMIC_WRITE: return IB_WC_ATOMIC_WRITE; + case IB_WR_FLUSH: return IB_WC_FLUSH; default: return 0xff; @@ -278,7 +279,8 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, */ case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE: if (wqe->wr.opcode != IB_WR_RDMA_READ && - wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV) { + wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV && + wqe->wr.opcode != IB_WR_FLUSH) { wqe->status = IB_WC_FATAL_ERR; return COMPST_ERROR; } |