diff options
| author | Yaniv Rosner <yanivr@broadcom.com> | 2013-04-07 05:36:23 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-07 17:17:00 -0400 |
| commit | cb28ea3b13b86fb23448525f34720e659bda7aa8 (patch) | |
| tree | 3ce7eac60107ce61c40cc0bc93d69e2ed9f851a8 | |
| parent | 259c9a1f9e0fa6610c5d7c15ba658dd4fd007bf5 (diff) | |
| download | linux-stable-cb28ea3b13b86fb23448525f34720e659bda7aa8.tar.gz linux-stable-cb28ea3b13b86fb23448525f34720e659bda7aa8.tar.bz2 linux-stable-cb28ea3b13b86fb23448525f34720e659bda7aa8.zip | |
bnx2x: Fix KR2 rapid link flap
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | 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 77ebae0ac64a..0283f343b0d1 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); |