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authorBodong Wang <bodong@mellanox.com>2016-12-01 13:43:14 +0200
committerDoug Ledford <dledford@redhat.com>2016-12-13 13:39:50 -0500
commit528e5a1bd3f0e9b760cb3a1062fce7513712a15d (patch)
tree0578a99a085a57b799bd4797ad25eeef336f1f5b /include/rdma
parentd949167d68b304c0a00331cf33ef49a29b65d85f (diff)
downloadlinux-528e5a1bd3f0e9b760cb3a1062fce7513712a15d.tar.gz
linux-528e5a1bd3f0e9b760cb3a1062fce7513712a15d.tar.xz
IB/core: 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. Signed-off-by: Bodong Wang <bodong@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 73417a22ee4d..8029d2a51f14 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1102,6 +1102,7 @@ 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 {
@@ -1151,6 +1152,7 @@ struct ib_qp_attr {
u8 rnr_retry;
u8 alt_port_num;
u8 alt_timeout;
+ u32 rate_limit;
};
enum ib_wr_opcode {