[SRU][F:linux-bluefield][PATCH 2/3] bonding: 3ad: add support for 400G speed

[Bodong Wang]

From: Nikolay Aleksandrov <nikolay at nvidia.com>

BugLink: https://bugs.launchpad.net/bugs/2013758

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 at nvidia.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
(cherry picked from commit 138e3b3cc0bbbd795e3b3f2ab607597e2f0b80f9)
Signed-off-by: Bodong Wang <bodong at nvidia.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 8382c4b20d62..0eb807a1383e 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -84,6 +84,7 @@ enum ad_link_speed_type {
 	AD_LINK_SPEED_56000MBPS,
 	AD_LINK_SPEED_100000MBPS,
 	AD_LINK_SPEED_200000MBPS,
+	AD_LINK_SPEED_400000MBPS,
 };
 
 /* compare MAC addresses */
@@ -257,6 +258,7 @@ 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)
 {
@@ -328,6 +330,10 @@ 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)
@@ -752,6 +758,9 @@ 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 */
 		}
-- 
2.27.0