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bnx2x: prevent timeouts when using PFC 

Prevent updating the xmac PFC configuration when using a link speed
slower than 10G -the umac block is responsible for 1G or slower connections,
therefore it is possible the xmac block is reset when connection is slower.

Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2012-09-11 04:34:10 +00:00 committed by David S. Miller
parent 217aeb896a
commit 375944cb7c
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
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@ -2667,9 +2667,11 @@ int bnx2x_update_pfc(struct link_params *params,
return bnx2x_status;
DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
if (CHIP_IS_E3(bp))
bnx2x_update_pfc_xmac(params, vars, 0);
else {
if (CHIP_IS_E3(bp)) {
if (vars->mac_type == MAC_TYPE_XMAC)
bnx2x_update_pfc_xmac(params, vars, 0);
} else {
val = REG_RD(bp, MISC_REG_RESET_REG_2);
if ((val &
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))