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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2021-06-16 13:01:49 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2021-07-12 12:22:32 +0000 |
| commit | 0c13880cccd75655c878ce31e767bce04b1d6e85 (patch) | |
| tree | 30e666fe02f9e026cd2cbb094d55a14ccc495644 | |
| parent | 3d2fb36a9ce72053e8865852caad30044dbd1059 (diff) | |
| download | src-0c13880cccd75655c878ce31e767bce04b1d6e85.tar.gz src-0c13880cccd75655c878ce31e767bce04b1d6e85.zip | |
ibcore: Support rate limit for packet pacing
Add new member rate_limit to ib_qp_attr which holds the packet pacing
rate in kbps, 0 means unlimited.
IB_QP_RATE_LIMIT is added to ib_attr_mask and could be used by RAW
QPs when changing QP state from RTR to RTS, RTS to RTS.
Linux commit:
528e5a1bd3f0e9b760cb3a1062fce7513712a15d
MFC after: 1 week
Reviewed by: kib
Sponsored by: Mellanox Technologies // NVIDIA Networking
| -rw-r--r-- | sys/ofed/drivers/infiniband/core/ib_verbs.c | 2 | ||||
| -rw-r--r-- | sys/ofed/include/rdma/ib_verbs.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/sys/ofed/drivers/infiniband/core/ib_verbs.c b/sys/ofed/drivers/infiniband/core/ib_verbs.c index 9e06d079af31..aabb416ddc21 100644 --- a/sys/ofed/drivers/infiniband/core/ib_verbs.c +++ b/sys/ofed/drivers/infiniband/core/ib_verbs.c @@ -1016,6 +1016,7 @@ static const struct { IB_QP_QKEY), [IB_QPT_GSI] = (IB_QP_CUR_STATE | IB_QP_QKEY), + [IB_QPT_RAW_PACKET] = IB_QP_RATE_LIMIT, } } }, @@ -1049,6 +1050,7 @@ static const struct { IB_QP_QKEY), [IB_QPT_GSI] = (IB_QP_CUR_STATE | IB_QP_QKEY), + [IB_QPT_RAW_PACKET] = IB_QP_RATE_LIMIT, } }, [IB_QPS_SQD] = { diff --git a/sys/ofed/include/rdma/ib_verbs.h b/sys/ofed/include/rdma/ib_verbs.h index b18aa2855166..cdbf2f5ce260 100644 --- a/sys/ofed/include/rdma/ib_verbs.h +++ b/sys/ofed/include/rdma/ib_verbs.h @@ -1132,6 +1132,7 @@ enum ib_qp_attr_mask { IB_QP_RESERVED2 = (1<<22), IB_QP_RESERVED3 = (1<<23), IB_QP_RESERVED4 = (1<<24), + IB_QP_RATE_LIMIT = (1<<25), }; enum ib_qp_state { @@ -1182,6 +1183,7 @@ struct ib_qp_attr { u8 rnr_retry; u8 alt_port_num; u8 alt_timeout; + u32 rate_limit; }; enum ib_wr_opcode { |