From: "Yaniv Rosner" <yanivr@broadcom.com>
To: "David Miller" <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>,
"Eilon Greenstein" <eilong@broadcom.com>,
"Yaniv Rosner" <yanivr@broadcom.com>
Subject: [PATCH net 1/1] bnx2x: Fix KR2 rapid link flap
Date: Sun, 7 Apr 2013 18:36:23 +0300 [thread overview]
Message-ID: <1365348983-29314-1-git-send-email-yanivr@broadcom.com> (raw)
Check KR2 recovery time at the beginning of the work-around function.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 18 +++++++++++-------
1 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 77ebae0..0283f34 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -13437,13 +13437,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
{
struct bnx2x *bp = params->bp;
u16 base_page, next_page, not_kr2_device, lane;
- int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
-
- if (!sigdet) {
- if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
- bnx2x_kr2_recovery(params, vars, phy);
- return;
- }
+ int sigdet;
/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
* since some switches tend to reinit the AN process and clear the
@@ -13454,6 +13448,16 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
vars->check_kr2_recovery_cnt--;
return;
}
+
+ sigdet = bnx2x_warpcore_get_sigdet(phy, params);
+ if (!sigdet) {
+ if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
+ bnx2x_kr2_recovery(params, vars, phy);
+ DP(NETIF_MSG_LINK, "No sigdet\n");
+ }
+ return;
+ }
+
lane = bnx2x_get_warpcore_lane(phy, params);
CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, lane);
--
1.7.7.1
next reply other threads:[~2013-04-07 13:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-07 15:36 Yaniv Rosner [this message]
2013-04-07 21:17 ` [PATCH net 1/1] bnx2x: Fix KR2 rapid link flap David Miller
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