Commit 42e3aac6 authored Feb 02, 2026 by Kalesh AP Committed by Leon Romanovsky Feb 02, 2026

IB/core: Extend rate limit support for RC QPs

Broadcom devices supports setting the rate limit while changing
RC QP state from INIT to RTR, RTR to RTS and RTS to RTS.

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20260202133413.3182578-6-kalesh-anakkur.purayil@broadcom.com

Reviewed-by: Damodharam Ammepalli <damodharam.ammepalli@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

parent cae42d97

drivers/infiniband/core/verbs.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -1537,7 +1537,8 @@ static const struct {
		IB_QP_PKEY_INDEX),
		[IB_QPT_RC] = (IB_QP_ALT_PATH \|
		IB_QP_ACCESS_FLAGS \|
		IB_QP_PKEY_INDEX),
		IB_QP_PKEY_INDEX \|
		IB_QP_RATE_LIMIT),
		[IB_QPT_XRC_INI] = (IB_QP_ALT_PATH \|
		IB_QP_ACCESS_FLAGS \|
		IB_QP_PKEY_INDEX),
		@@ -1585,7 +1586,8 @@ static const struct {
		IB_QP_ALT_PATH \|
		IB_QP_ACCESS_FLAGS \|
		IB_QP_MIN_RNR_TIMER \|
		IB_QP_PATH_MIG_STATE),
		IB_QP_PATH_MIG_STATE \|
		IB_QP_RATE_LIMIT),
		[IB_QPT_XRC_INI] = (IB_QP_CUR_STATE \|
		IB_QP_ALT_PATH \|
		IB_QP_ACCESS_FLAGS \|
		@@ -1619,7 +1621,8 @@ static const struct {
		IB_QP_ACCESS_FLAGS \|
		IB_QP_ALT_PATH \|
		IB_QP_PATH_MIG_STATE \|
		IB_QP_MIN_RNR_TIMER),
		IB_QP_MIN_RNR_TIMER \|
		IB_QP_RATE_LIMIT),
		[IB_QPT_XRC_INI] = (IB_QP_CUR_STATE \|
		IB_QP_ACCESS_FLAGS \|
		IB_QP_ALT_PATH \|