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Commit 375944cb authored by Yaniv Rosner's avatar Yaniv Rosner Committed by David S. Miller
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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: default avatarYaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: default avatarYuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 217aeb89

drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c

+5 −3
Original line number Diff line number Diff line
@@ -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))



	if (CHIP_IS_E3(bp)) {

		if (vars->mac_type == MAC_TYPE_XMAC)

			bnx2x_update_pfc_xmac(params, vars, 0);

	else {

	} else {

		val = REG_RD(bp, MISC_REG_RESET_REG_2);

		if ((val &

		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))