netdev - [PATCH net-next 3/3] bonding: 3ad: Add support for 800G speed

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Message-ID: <9684b0698215ae746447b2d8b4fd983ad283ce0a.1666277135.git.petrm@nvidia.com>
Date:   Thu, 20 Oct 2022 17:20:05 +0200
From:   Petr Machata <petrm@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, <netdev@...r.kernel.org>
CC:     Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Ido Schimmel <idosch@...dia.com>,
        "Petr Machata" <petrm@...dia.com>, Amit Cohen <amcohen@...dia.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        David Ahern <dsahern@...nel.org>, <mlxsw@...dia.com>
Subject: [PATCH net-next 3/3] bonding: 3ad: Add support for 800G speed

From: Amit Cohen <amcohen@...dia.com>

Add support for 800Gbps speed to allow using 3ad mode with 800G devices.

Signed-off-by: Amit Cohen <amcohen@...dia.com>
Reviewed-by: Ido Schimmel <idosch@...dia.com>
Signed-off-by: Petr Machata <petrm@...dia.com>
---
 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 e58a1e0cadd2..455b555275f1 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -75,6 +75,7 @@ enum ad_link_speed_type {
 	AD_LINK_SPEED_100000MBPS,
 	AD_LINK_SPEED_200000MBPS,
 	AD_LINK_SPEED_400000MBPS,
+	AD_LINK_SPEED_800000MBPS,
 };
 
 /* compare MAC addresses */
@@ -251,6 +252,7 @@ static inline int __check_agg_selection_timer(struct port *port)
  *     %AD_LINK_SPEED_100000MBPS
  *     %AD_LINK_SPEED_200000MBPS
  *     %AD_LINK_SPEED_400000MBPS
+ *     %AD_LINK_SPEED_800000MBPS
  */
 static u16 __get_link_speed(struct port *port)
 {
@@ -326,6 +328,10 @@ static u16 __get_link_speed(struct port *port)
 			speed = AD_LINK_SPEED_400000MBPS;
 			break;
 
+		case SPEED_800000:
+			speed = AD_LINK_SPEED_800000MBPS;
+			break;
+
 		default:
 			/* unknown speed value from ethtool. shouldn't happen */
 			if (slave->speed != SPEED_UNKNOWN)
@@ -753,6 +759,9 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator)
 		case AD_LINK_SPEED_400000MBPS:
 			bandwidth = nports * 400000;
 			break;
+		case AD_LINK_SPEED_800000MBPS:
+			bandwidth = nports * 800000;
+			break;
 		default:
 			bandwidth = 0; /* to silence the compiler */
 		}
-- 
2.35.3