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Commit 82cd3d11 authored by Matt Carlson's avatar Matt Carlson Committed by David S. Miller
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[TG3]: Correct 5704S flowctrl advertisements 



This patch modifies the 5704S hardware autoneg code to use the
administrator specified flow control parameters.  Since the 5704S uses
device specific flow control enumerations, the 1000-BaseX utility
functions are used and code was added to convert the definitions to and
from the proprietary enumerations.

Signed-off-by: default avatarMatt Carlson <mcarlson@broadcom.com>
Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c98f6e3b

drivers/net/tg3.c

+15 −11
Original line number Diff line number Diff line
@@ -1695,7 +1695,7 @@ static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv 
	u32 old_tx_mode = tp->tx_mode;



	if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {

		if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)

		if (tp->tg3_flags2 & (TG3_FLG2_MII_SERDES|TG3_FLG2_HW_AUTONEG))

			new_tg3_flags = tg3_resolve_flowctrl_1000X(local_adv,

								   remote_adv);

		else
@@ -2658,6 +2658,7 @@ static void tg3_init_bcm8002(struct tg3 *tp) 


static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)

{

	u16 flowctrl;

	u32 sg_dig_ctrl, sg_dig_status;

	u32 serdes_cfg, expected_sg_dig_ctrl;

	int workaround, port_a;
@@ -2706,10 +2707,10 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) 
	/* Want auto-negotiation.  */

	expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;



	/* Pause capability */

	flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);

	if (flowctrl & ADVERTISE_1000XPAUSE)

		expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;



	/* Asymettric pause */

	if (flowctrl & ADVERTISE_1000XPSE_ASYM)

		expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;



	if (sg_dig_ctrl != expected_sg_dig_ctrl) {
@@ -2738,14 +2739,17 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) 


		if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&

		    (mac_status & MAC_STATUS_PCS_SYNCED)) {

			u32 local_adv, remote_adv;

			u32 local_adv = 0, remote_adv = 0;



			if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)

				local_adv |= ADVERTISE_1000XPAUSE;

			if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)

				local_adv |= ADVERTISE_1000XPSE_ASYM;



			local_adv = ADVERTISE_PAUSE_CAP;

			remote_adv = 0;

			if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)

				remote_adv |= LPA_PAUSE_CAP;

				remote_adv |= LPA_1000XPAUSE;

			if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)

				remote_adv |= LPA_PAUSE_ASYM;

				remote_adv |= LPA_1000XPAUSE_ASYM;



			tg3_setup_flow_control(tp, local_adv, remote_adv);

			current_link_up = 1;