netdev - [PATCH rdma-next 05/10] IB/core: Add async event on device speed change

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Message-ID: <20251218-vf-bw-lag-mode-v1-5-7d8ed4368bea@nvidia.com>
Date: Thu, 18 Dec 2025 17:58:26 +0200
From: Edward Srouji <edwards@...dia.com>
To: <edwards@...dia.com>, Leon Romanovsky <leon@...nel.org>, Saeed Mahameed
	<saeedm@...dia.com>, Tariq Toukan <tariqt@...dia.com>, Mark Bloch
	<mbloch@...dia.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Jason Gunthorpe
	<jgg@...pe.ca>
CC: <netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Or Har-Toov <ohartoov@...dia.com>
Subject: [PATCH rdma-next 05/10] IB/core: Add async event on device speed change

From: Or Har-Toov <ohartoov@...dia.com>

Add IB_EVENT_DEVICE_SPEED_CHANGE for notifying user applications on
device's ports speed changes.

Signed-off-by: Or Har-Toov <ohartoov@...dia.com>
Reviewed-by: Mark Bloch <mbloch@...dia.com>
Signed-off-by: Edward Srouji <edwards@...dia.com>
---
 drivers/infiniband/core/verbs.c | 1 +
 include/rdma/ib_verbs.h         | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 11b1a194de44..f495a2182c84 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -78,6 +78,7 @@ static const char * const ib_events[] = {
 	[IB_EVENT_QP_LAST_WQE_REACHED]	= "last WQE reached",
 	[IB_EVENT_CLIENT_REREGISTER]	= "client reregister",
 	[IB_EVENT_GID_CHANGE]		= "GID changed",
+	[IB_EVENT_DEVICE_SPEED_CHANGE]  = "device speed change"
 };
 
 const char *__attribute_const__ ib_event_msg(enum ib_event_type event)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 6aad66bc5dd7..95f1e557cbb8 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -764,6 +764,7 @@ enum ib_event_type {
 	IB_EVENT_CLIENT_REREGISTER,
 	IB_EVENT_GID_CHANGE,
 	IB_EVENT_WQ_FATAL,
+	IB_EVENT_DEVICE_SPEED_CHANGE,
 };
 
 const char *__attribute_const__ ib_event_msg(enum ib_event_type event);

-- 
2.47.1