netdev - [PATCH net-next v2 2/3] bonding: 3ad: add support for 400G speed

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Message-Id: <20210210204333.729603-3-razor@blackwall.org>
Date:   Wed, 10 Feb 2021 22:43:32 +0200
From:   Nikolay Aleksandrov <razor@...ckwall.org>
To:     netdev@...r.kernel.org
Cc:     roopa@...dia.com, andy@...yhouse.net, j.vosburgh@...il.com,
        vfalico@...il.com, kuba@...nel.org, davem@...emloft.net,
        alexander.duyck@...il.com, idosch@...dia.com,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: [PATCH net-next v2 2/3] bonding: 3ad: add support for 400G speed

From: Nikolay Aleksandrov <nikolay@...dia.com>

In order to be able to use 3ad mode with 400G devices we need to extend
the supported speeds.

Signed-off-by: Nikolay Aleksandrov <nikolay@...dia.com>
---
v2: no changes

 drivers/net/bonding/bond_3ad.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 390e877419f3..2e670f68626d 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -74,6 +74,7 @@ enum ad_link_speed_type {
 	AD_LINK_SPEED_56000MBPS,
 	AD_LINK_SPEED_100000MBPS,
 	AD_LINK_SPEED_200000MBPS,
+	AD_LINK_SPEED_400000MBPS,
 };
 
 /* compare MAC addresses */
@@ -247,6 +248,7 @@ static inline int __check_agg_selection_timer(struct port *port)
  *     %AD_LINK_SPEED_56000MBPS
  *     %AD_LINK_SPEED_100000MBPS
  *     %AD_LINK_SPEED_200000MBPS
+ *     %AD_LINK_SPEED_400000MBPS
  */
 static u16 __get_link_speed(struct port *port)
 {
@@ -318,6 +320,10 @@ static u16 __get_link_speed(struct port *port)
 			speed = AD_LINK_SPEED_200000MBPS;
 			break;
 
+		case SPEED_400000:
+			speed = AD_LINK_SPEED_400000MBPS;
+			break;
+
 		default:
 			/* unknown speed value from ethtool. shouldn't happen */
 			if (slave->speed != SPEED_UNKNOWN)
@@ -742,6 +748,9 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator)
 		case AD_LINK_SPEED_200000MBPS:
 			bandwidth = nports * 200000;
 			break;
+		case AD_LINK_SPEED_400000MBPS:
+			bandwidth = nports * 400000;
+			break;
 		default:
 			bandwidth = 0; /* to silence the compiler */
 		}
-- 
2.29.2