d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ibcore: Support rate limit for packet pacing

Browse Source 
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
This commit is contained in:
Hans Petter Selasky 2021-06-16 15:01:49 +02:00
parent 3d2fb36a9c
commit 0c13880ccc
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/ofed/drivers/infiniband/core/ib_verbs.c
View File

@ -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] = {

2
sys/ofed/include/rdma/ib_verbs.h
View File

@ -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 {