netdev - [PATCH net-next 2/2] be2net: Ignore physical link async event for Lancer

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Message-ID: <33934390-2e19-4782-a793-06dc2efd8d35@exht1.ad.emulex.com>
Date:	Wed, 18 Jul 2012 18:22:15 +0530
From:	Padmanabh Ratnakar <padmanabh.ratnakar@...lex.com>
To:	<netdev@...r.kernel.org>
CC:	Padmanabh Ratnakar <padmanabh.ratnakar@...lex.com>
Subject: [PATCH net-next 2/2] be2net: Ignore physical link async event for Lancer

The ability of driver to transmit packets depends on logical state
of the link. Ignore physical link status.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@...lex.com>
---
 drivers/net/ethernet/emulex/benet/be_cmds.c |    5 +++++
 drivers/net/ethernet/emulex/benet/be_cmds.h |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 7932490..7fac97b 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -141,6 +141,11 @@ static void be_async_link_state_process(struct be_adapter *adapter,
 	/* When link status changes, link speed must be re-queried from FW */
 	adapter->phy.link_speed = -1;
 
+	/* Ignore physical link event */
+	if (lancer_chip(adapter) &&
+	    !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
+		return;
+
 	/* For the initial link status do not rely on the ASYNC event as
 	 * it may not be received in some cases.
 	 */
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index d5a4ded..250f19b 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -93,6 +93,7 @@ enum {
 	LINK_UP		= 0x1
 };
 #define LINK_STATUS_MASK			0x1
+#define LOGICAL_LINK_STATUS_MASK		0x2
 
 /* When the event code of an async trailer is link-state, the mcc_compl
  * must be interpreted as follows
-- 
1.6.0.2

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