netdev - [PATCH RFC net-next 3/5] bonding: Introduce 20Gbps AD link speed

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Message-ID: <1415274772-8029-4-git-send-email-Jianhua.Xie@freescale.com>
Date:	Thu, 6 Nov 2014 19:52:50 +0800
From:	Xie Jianhua <Jianhua.Xie@...escale.com>
To:	<netdev@...r.kernel.org>
CC:	Jianhua Xie <jianhua.xie@...escale.com>,
	Jianhua Xie <Jianhua.Xie@...escale.com>,
	Jay Vosburgh <j.vosburgh@...il.com>,
	"Veaceslav Falico" <vfalico@...il.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH RFC net-next 3/5] bonding: Introduce 20Gbps AD link speed

From: Jianhua Xie <Jianhua.Xie@...escale.com>

This patch inserts 20Gbps bitmask, fixes aggregated bandwidth
calculation based on 20Gbps slave links.

CC: Jay Vosburgh <j.vosburgh@...il.com>
CC: Veaceslav Falico <vfalico@...il.com>
CC: Andy Gospodarek <andy@...yhouse.net>
CC: David S. Miller <davem@...emloft.net>

Signed-off-by: Jianhua Xie <jianhua.xie@...escale.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 250232e..a1acc0e 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -89,6 +89,7 @@
 #define     AD_LINK_SPEED_BITMASK_1000MBPS    0x8
 #define     AD_LINK_SPEED_BITMASK_2500MBPS    0x10
 #define     AD_LINK_SPEED_BITMASK_10000MBPS   0x20
+#define     AD_LINK_SPEED_BITMASK_20000MBPS   0x40
 
 /* compare MAC addresses */
 #define MAC_ADDRESS_EQUAL(A, B)	\
@@ -248,6 +249,7 @@ static inline int __check_agg_selection_timer(struct port *port)
  *     %AD_LINK_SPEED_BITMASK_1000MBPS,
  *     %AD_LINK_SPEED_BITMASK_2500MBPS,
  *     %AD_LINK_SPEED_BITMASK_10000MBPS
+ *     %AD_LINK_SPEED_BITMASK_20000MBPS
  */
 static u16 __get_link_speed(struct port *port)
 {
@@ -283,6 +285,10 @@ static u16 __get_link_speed(struct port *port)
 			speed = AD_LINK_SPEED_BITMASK_10000MBPS;
 			break;
 
+		case SPEED_20000:
+			speed = AD_LINK_SPEED_BITMASK_20000MBPS;
+			break;
+
 		default:
 			/* unknown speed value from ethtool. shouldn't happen */
 			speed = 0;
@@ -649,6 +655,9 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator)
 		case AD_LINK_SPEED_BITMASK_10000MBPS:
 			bandwidth = aggregator->num_of_ports * 10000;
 			break;
+		case AD_LINK_SPEED_BITMASK_20000MBPS:
+			bandwidth = aggregator->num_of_ports * 20000;
+			break;
 		default:
 			bandwidth = 0; /* to silence the compiler */
 		}
-- 
2.1.0.27.g96db324

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