chelsio: Move the Chelsio drivers

Moves the drivers for the Chelsio chipsets into
drivers/net/ethernet/chelsio/ and the necessary Kconfig and Makefile
changes.

CC: Divy Le Ray <divy@chelsio.com>
CC: Dimitris Michailidis <dm@chelsio.com>
CC: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 657 deletions

diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c
deleted file mode 100644
index 3af19a55037..00000000000
--- a/drivers/net/cxgb3/xgmac.c
+++ /dev/null
@@ -1,657 +0,0 @@
-/*
- * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "common.h"
-#include "regs.h"
-
-/*
- * # of exact address filters.  The first one is used for the station address,
- * the rest are available for multicast addresses.
- */
-#define EXACT_ADDR_FILTERS 8
-
-static inline int macidx(const struct cmac *mac)
-{
-	return mac->offset / (XGMAC0_1_BASE_ADDR - XGMAC0_0_BASE_ADDR);
-}
-
-static void xaui_serdes_reset(struct cmac *mac)
-{
-	static const unsigned int clear[] = {
-		F_PWRDN0 | F_PWRDN1, F_RESETPLL01, F_RESET0 | F_RESET1,
-		F_PWRDN2 | F_PWRDN3, F_RESETPLL23, F_RESET2 | F_RESET3
-	};
-
-	int i;
-	struct adapter *adap = mac->adapter;
-	u32 ctrl = A_XGM_SERDES_CTRL0 + mac->offset;
-
-	t3_write_reg(adap, ctrl, adap->params.vpd.xauicfg[macidx(mac)] |
-		     F_RESET3 | F_RESET2 | F_RESET1 | F_RESET0 |
-		     F_PWRDN3 | F_PWRDN2 | F_PWRDN1 | F_PWRDN0 |
-		     F_RESETPLL23 | F_RESETPLL01);
-	t3_read_reg(adap, ctrl);
-	udelay(15);
-
-	for (i = 0; i < ARRAY_SIZE(clear); i++) {
-		t3_set_reg_field(adap, ctrl, clear[i], 0);
-		udelay(15);
-	}
-}
-
-void t3b_pcs_reset(struct cmac *mac)
-{
-	t3_set_reg_field(mac->adapter, A_XGM_RESET_CTRL + mac->offset,
-			 F_PCS_RESET_, 0);
-	udelay(20);
-	t3_set_reg_field(mac->adapter, A_XGM_RESET_CTRL + mac->offset, 0,
-			 F_PCS_RESET_);
-}
-
-int t3_mac_reset(struct cmac *mac)
-{
-	static const struct addr_val_pair mac_reset_avp[] = {
-		{A_XGM_TX_CTRL, 0},
-		{A_XGM_RX_CTRL, 0},
-		{A_XGM_RX_CFG, F_DISPAUSEFRAMES | F_EN1536BFRAMES |
-		 F_RMFCS | F_ENJUMBO | F_ENHASHMCAST},
-		{A_XGM_RX_HASH_LOW, 0},
-		{A_XGM_RX_HASH_HIGH, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_1, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_2, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_3, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_4, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_5, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_6, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_7, 0},
-		{A_XGM_RX_EXACT_MATCH_LOW_8, 0},
-		{A_XGM_STAT_CTRL, F_CLRSTATS}
-	};
-	u32 val;
-	struct adapter *adap = mac->adapter;
-	unsigned int oft = mac->offset;
-
-	t3_write_reg(adap, A_XGM_RESET_CTRL + oft, F_MAC_RESET_);
-	t3_read_reg(adap, A_XGM_RESET_CTRL + oft);	/* flush */
-
-	t3_write_regs(adap, mac_reset_avp, ARRAY_SIZE(mac_reset_avp), oft);
-	t3_set_reg_field(adap, A_XGM_RXFIFO_CFG + oft,
-			 F_RXSTRFRWRD | F_DISERRFRAMES,
-			 uses_xaui(adap) ? 0 : F_RXSTRFRWRD);
-	t3_set_reg_field(adap, A_XGM_TXFIFO_CFG + oft, 0, F_UNDERUNFIX);
-
-	if (uses_xaui(adap)) {
-		if (adap->params.rev == 0) {
-			t3_set_reg_field(adap, A_XGM_SERDES_CTRL + oft, 0,
-					 F_RXENABLE | F_TXENABLE);
-			if (t3_wait_op_done(adap, A_XGM_SERDES_STATUS1 + oft,
-					    F_CMULOCK, 1, 5, 2)) {
-				CH_ERR(adap,
-				       "MAC %d XAUI SERDES CMU lock failed\n",
-				       macidx(mac));
-				return -1;
-			}
-			t3_set_reg_field(adap, A_XGM_SERDES_CTRL + oft, 0,
-					 F_SERDESRESET_);
-		} else
-			xaui_serdes_reset(mac);
-	}
-
-	t3_set_reg_field(adap, A_XGM_RX_MAX_PKT_SIZE + oft,
-			 V_RXMAXFRAMERSIZE(M_RXMAXFRAMERSIZE),
-			 V_RXMAXFRAMERSIZE(MAX_FRAME_SIZE) | F_RXENFRAMER);
-	val = F_MAC_RESET_ | F_XGMAC_STOP_EN;
-
-	if (is_10G(adap))
-		val |= F_PCS_RESET_;
-	else if (uses_xaui(adap))
-		val |= F_PCS_RESET_ | F_XG2G_RESET_;
-	else
-		val |= F_RGMII_RESET_ | F_XG2G_RESET_;
-	t3_write_reg(adap, A_XGM_RESET_CTRL + oft, val);
-	t3_read_reg(adap, A_XGM_RESET_CTRL + oft);	/* flush */
-	if ((val & F_PCS_RESET_) && adap->params.rev) {
-		msleep(1);
-		t3b_pcs_reset(mac);
-	}
-
-	memset(&mac->stats, 0, sizeof(mac->stats));
-	return 0;
-}
-
-static int t3b2_mac_reset(struct cmac *mac)
-{
-	struct adapter *adap = mac->adapter;
-	unsigned int oft = mac->offset, store;
-	int idx = macidx(mac);
-	u32 val;
-
-	if (!macidx(mac))
-		t3_set_reg_field(adap, A_MPS_CFG, F_PORT0ACTIVE, 0);
-	else
-		t3_set_reg_field(adap, A_MPS_CFG, F_PORT1ACTIVE, 0);
-
-	/* Stop NIC traffic to reduce the number of TXTOGGLES */
-	t3_set_reg_field(adap, A_MPS_CFG, F_ENFORCEPKT, 0);
-	/* Ensure TX drains */
-	t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN, 0);
-
-	t3_write_reg(adap, A_XGM_RESET_CTRL + oft, F_MAC_RESET_);
-	t3_read_reg(adap, A_XGM_RESET_CTRL + oft);    /* flush */
-
-	/* Store A_TP_TX_DROP_CFG_CH0 */
-	t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CFG_CH0 + idx);
-	store = t3_read_reg(adap, A_TP_TX_DROP_CFG_CH0 + idx);
-
-	msleep(10);
-
-	/* Change DROP_CFG to 0xc0000011 */
-	t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CFG_CH0 + idx);
-	t3_write_reg(adap, A_TP_PIO_DATA, 0xc0000011);
-
-	/* Check for xgm Rx fifo empty */
-	/* Increased loop count to 1000 from 5 cover 1G and 100Mbps case */
-	if (t3_wait_op_done(adap, A_XGM_RX_MAX_PKT_SIZE_ERR_CNT + oft,
-			    0x80000000, 1, 1000, 2)) {
-		CH_ERR(adap, "MAC %d Rx fifo drain failed\n",
-		       macidx(mac));
-		return -1;
-	}
-
-	t3_write_reg(adap, A_XGM_RESET_CTRL + oft, 0);
-	t3_read_reg(adap, A_XGM_RESET_CTRL + oft);    /* flush */
-
-	val = F_MAC_RESET_;
-	if (is_10G(adap))
-		val |= F_PCS_RESET_;
-	else if (uses_xaui(adap))
-		val |= F_PCS_RESET_ | F_XG2G_RESET_;
-	else
-		val |= F_RGMII_RESET_ | F_XG2G_RESET_;
-	t3_write_reg(adap, A_XGM_RESET_CTRL + oft, val);
-	t3_read_reg(adap, A_XGM_RESET_CTRL + oft);  /* flush */
-	if ((val & F_PCS_RESET_) && adap->params.rev) {
-		msleep(1);
-		t3b_pcs_reset(mac);
-	}
-	t3_write_reg(adap, A_XGM_RX_CFG + oft,
-		     F_DISPAUSEFRAMES | F_EN1536BFRAMES |
-		     F_RMFCS | F_ENJUMBO | F_ENHASHMCAST);
-
-	/* Restore the DROP_CFG */
-	t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CFG_CH0 + idx);
-	t3_write_reg(adap, A_TP_PIO_DATA, store);
-
-	if (!idx)
-		t3_set_reg_field(adap, A_MPS_CFG, 0, F_PORT0ACTIVE);
-	else
-		t3_set_reg_field(adap, A_MPS_CFG, 0, F_PORT1ACTIVE);
-
-	/* re-enable nic traffic */
-	t3_set_reg_field(adap, A_MPS_CFG, F_ENFORCEPKT, 1);
-
-	/*  Set: re-enable NIC traffic */
-	t3_set_reg_field(adap, A_MPS_CFG, F_ENFORCEPKT, 1);
-
-	return 0;
-}
-
-/*
- * Set the exact match register 'idx' to recognize the given Ethernet address.
- */
-static void set_addr_filter(struct cmac *mac, int idx, const u8 * addr)
-{
-	u32 addr_lo, addr_hi;
-	unsigned int oft = mac->offset + idx * 8;
-
-	addr_lo = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
-	addr_hi = (addr[5] << 8) | addr[4];
-
-	t3_write_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_LOW_1 + oft, addr_lo);
-	t3_write_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_HIGH_1 + oft, addr_hi);
-}
-
-/* Set one of the station's unicast MAC addresses. */
-int t3_mac_set_address(struct cmac *mac, unsigned int idx, u8 addr[6])
-{
-	if (idx >= mac->nucast)
-		return -EINVAL;
-	set_addr_filter(mac, idx, addr);
-	return 0;
-}
-
-/*
- * Specify the number of exact address filters that should be reserved for
- * unicast addresses.  Caller should reload the unicast and multicast addresses
- * after calling this.
- */
-int t3_mac_set_num_ucast(struct cmac *mac, int n)
-{
-	if (n > EXACT_ADDR_FILTERS)
-		return -EINVAL;
-	mac->nucast = n;
-	return 0;
-}
-
-void t3_mac_disable_exact_filters(struct cmac *mac)
-{
-	unsigned int i, reg = mac->offset + A_XGM_RX_EXACT_MATCH_LOW_1;
-
-	for (i = 0; i < EXACT_ADDR_FILTERS; i++, reg += 8) {
-		u32 v = t3_read_reg(mac->adapter, reg);
-		t3_write_reg(mac->adapter, reg, v);
-	}
-	t3_read_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_LOW_1);	/* flush */
-}
-
-void t3_mac_enable_exact_filters(struct cmac *mac)
-{
-	unsigned int i, reg = mac->offset + A_XGM_RX_EXACT_MATCH_HIGH_1;
-
-	for (i = 0; i < EXACT_ADDR_FILTERS; i++, reg += 8) {
-		u32 v = t3_read_reg(mac->adapter, reg);
-		t3_write_reg(mac->adapter, reg, v);
-	}
-	t3_read_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_LOW_1);	/* flush */
-}
-
-/* Calculate the RX hash filter index of an Ethernet address */
-static int hash_hw_addr(const u8 * addr)
-{
-	int hash = 0, octet, bit, i = 0, c;
-
-	for (octet = 0; octet < 6; ++octet)
-		for (c = addr[octet], bit = 0; bit < 8; c >>= 1, ++bit) {
-			hash ^= (c & 1) << i;
-			if (++i == 6)
-				i = 0;
-		}
-	return hash;
-}
-
-int t3_mac_set_rx_mode(struct cmac *mac, struct net_device *dev)
-{
-	u32 val, hash_lo, hash_hi;
-	struct adapter *adap = mac->adapter;
-	unsigned int oft = mac->offset;
-
-	val = t3_read_reg(adap, A_XGM_RX_CFG + oft) & ~F_COPYALLFRAMES;
-	if (dev->flags & IFF_PROMISC)
-		val |= F_COPYALLFRAMES;
-	t3_write_reg(adap, A_XGM_RX_CFG + oft, val);
-
-	if (dev->flags & IFF_ALLMULTI)
-		hash_lo = hash_hi = 0xffffffff;
-	else {
-		struct netdev_hw_addr *ha;
-		int exact_addr_idx = mac->nucast;
-
-		hash_lo = hash_hi = 0;
-		netdev_for_each_mc_addr(ha, dev)
-			if (exact_addr_idx < EXACT_ADDR_FILTERS)
-				set_addr_filter(mac, exact_addr_idx++,
-						ha->addr);
-			else {
-				int hash = hash_hw_addr(ha->addr);
-
-				if (hash < 32)
-					hash_lo |= (1 << hash);
-				else
-					hash_hi |= (1 << (hash - 32));
-			}
-	}
-
-	t3_write_reg(adap, A_XGM_RX_HASH_LOW + oft, hash_lo);
-	t3_write_reg(adap, A_XGM_RX_HASH_HIGH + oft, hash_hi);
-	return 0;
-}
-
-static int rx_fifo_hwm(int mtu)
-{
-	int hwm;
-
-	hwm = max(MAC_RXFIFO_SIZE - 3 * mtu, (MAC_RXFIFO_SIZE * 38) / 100);
-	return min(hwm, MAC_RXFIFO_SIZE - 8192);
-}
-
-int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu)
-{
-	int hwm, lwm, divisor;
-	int ipg;
-	unsigned int thres, v, reg;
-	struct adapter *adap = mac->adapter;
-
-	/*
-	 * MAX_FRAME_SIZE inludes header + FCS, mtu doesn't.  The HW max
-	 * packet size register includes header, but not FCS.
-	 */
-	mtu += 14;
-	if (mtu > 1536)
-		mtu += 4;
-
-	if (mtu > MAX_FRAME_SIZE - 4)
-		return -EINVAL;
-	t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu);
-
-	if (adap->params.rev >= T3_REV_B2 &&
-	    (t3_read_reg(adap, A_XGM_RX_CTRL + mac->offset) & F_RXEN)) {
-		t3_mac_disable_exact_filters(mac);
-		v = t3_read_reg(adap, A_XGM_RX_CFG + mac->offset);
-		t3_set_reg_field(adap, A_XGM_RX_CFG + mac->offset,
-				 F_ENHASHMCAST | F_COPYALLFRAMES, F_DISBCAST);
-
-		reg = adap->params.rev == T3_REV_B2 ?
-			A_XGM_RX_MAX_PKT_SIZE_ERR_CNT : A_XGM_RXFIFO_CFG;
-
-		/* drain RX FIFO */
-		if (t3_wait_op_done(adap, reg + mac->offset,
-				    F_RXFIFO_EMPTY, 1, 20, 5)) {
-			t3_write_reg(adap, A_XGM_RX_CFG + mac->offset, v);
-			t3_mac_enable_exact_filters(mac);
-			return -EIO;
-		}
-		t3_set_reg_field(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset,
-				 V_RXMAXPKTSIZE(M_RXMAXPKTSIZE),
-				 V_RXMAXPKTSIZE(mtu));
-		t3_write_reg(adap, A_XGM_RX_CFG + mac->offset, v);
-		t3_mac_enable_exact_filters(mac);
-	} else
-		t3_set_reg_field(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset,
-				 V_RXMAXPKTSIZE(M_RXMAXPKTSIZE),
-				 V_RXMAXPKTSIZE(mtu));
-
-	/*
-	 * Adjust the PAUSE frame watermarks.  We always set the LWM, and the
-	 * HWM only if flow-control is enabled.
-	 */
-	hwm = rx_fifo_hwm(mtu);
-	lwm = min(3 * (int)mtu, MAC_RXFIFO_SIZE / 4);
-	v = t3_read_reg(adap, A_XGM_RXFIFO_CFG + mac->offset);
-	v &= ~V_RXFIFOPAUSELWM(M_RXFIFOPAUSELWM);
-	v |= V_RXFIFOPAUSELWM(lwm / 8);
-	if (G_RXFIFOPAUSEHWM(v))
-		v = (v & ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM)) |
-		    V_RXFIFOPAUSEHWM(hwm / 8);
-
-	t3_write_reg(adap, A_XGM_RXFIFO_CFG + mac->offset, v);
-
-	/* Adjust the TX FIFO threshold based on the MTU */
-	thres = (adap->params.vpd.cclk * 1000) / 15625;
-	thres = (thres * mtu) / 1000;
-	if (is_10G(adap))
-		thres /= 10;
-	thres = mtu > thres ? (mtu - thres + 7) / 8 : 0;
-	thres = max(thres, 8U);	/* need at least 8 */
-	ipg = (adap->params.rev == T3_REV_C) ? 0 : 1;
-	t3_set_reg_field(adap, A_XGM_TXFIFO_CFG + mac->offset,
-			 V_TXFIFOTHRESH(M_TXFIFOTHRESH) | V_TXIPG(M_TXIPG),
-			 V_TXFIFOTHRESH(thres) | V_TXIPG(ipg));
-
-	if (adap->params.rev > 0) {
-		divisor = (adap->params.rev == T3_REV_C) ? 64 : 8;
-		t3_write_reg(adap, A_XGM_PAUSE_TIMER + mac->offset,
-			     (hwm - lwm) * 4 / divisor);
-	}
-	t3_write_reg(adap, A_XGM_TX_PAUSE_QUANTA + mac->offset,
-		     MAC_RXFIFO_SIZE * 4 * 8 / 512);
-	return 0;
-}
-
-int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc)
-{
-	u32 val;
-	struct adapter *adap = mac->adapter;
-	unsigned int oft = mac->offset;
-
-	if (duplex >= 0 && duplex != DUPLEX_FULL)
-		return -EINVAL;
-	if (speed >= 0) {
-		if (speed == SPEED_10)
-			val = V_PORTSPEED(0);
-		else if (speed == SPEED_100)
-			val = V_PORTSPEED(1);
-		else if (speed == SPEED_1000)
-			val = V_PORTSPEED(2);
-		else if (speed == SPEED_10000)
-			val = V_PORTSPEED(3);
-		else
-			return -EINVAL;
-
-		t3_set_reg_field(adap, A_XGM_PORT_CFG + oft,
-				 V_PORTSPEED(M_PORTSPEED), val);
-	}
-
-	val = t3_read_reg(adap, A_XGM_RXFIFO_CFG + oft);
-	val &= ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM);
-	if (fc & PAUSE_TX) {
-		u32 rx_max_pkt_size =
-		    G_RXMAXPKTSIZE(t3_read_reg(adap,
-					       A_XGM_RX_MAX_PKT_SIZE + oft));
-		val |= V_RXFIFOPAUSEHWM(rx_fifo_hwm(rx_max_pkt_size) / 8);
-	}
-	t3_write_reg(adap, A_XGM_RXFIFO_CFG + oft, val);
-
-	t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN,
-			 (fc & PAUSE_RX) ? F_TXPAUSEEN : 0);
-	return 0;
-}
-
-int t3_mac_enable(struct cmac *mac, int which)
-{
-	int idx = macidx(mac);
-	struct adapter *adap = mac->adapter;
-	unsigned int oft = mac->offset;
-	struct mac_stats *s = &mac->stats;
-
-	if (which & MAC_DIRECTION_TX) {
-		t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CFG_CH0 + idx);
-		t3_write_reg(adap, A_TP_PIO_DATA,
-			     adap->params.rev == T3_REV_C ?
-			     0xc4ffff01 : 0xc0ede401);
-		t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_MODE);
-		t3_set_reg_field(adap, A_TP_PIO_DATA, 1 << idx,
-				 adap->params.rev == T3_REV_C ? 0 : 1 << idx);
-
-		t3_write_reg(adap, A_XGM_TX_CTRL + oft, F_TXEN);
-
-		t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CNT_CH0 + idx);
-		mac->tx_mcnt = s->tx_frames;
-		mac->tx_tcnt = (G_TXDROPCNTCH0RCVD(t3_read_reg(adap,
-							A_TP_PIO_DATA)));
-		mac->tx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap,
-						A_XGM_TX_SPI4_SOP_EOP_CNT +
-						oft)));
-		mac->rx_mcnt = s->rx_frames;
-		mac->rx_pause = s->rx_pause;
-		mac->rx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap,
-						A_XGM_RX_SPI4_SOP_EOP_CNT +
-						oft)));
-		mac->rx_ocnt = s->rx_fifo_ovfl;
-		mac->txen = F_TXEN;
-		mac->toggle_cnt = 0;
-	}
-	if (which & MAC_DIRECTION_RX)
-		t3_write_reg(adap, A_XGM_RX_CTRL + oft, F_RXEN);
-	return 0;
-}
-
-int t3_mac_disable(struct cmac *mac, int which)
-{
-	struct adapter *adap = mac->adapter;
-
-	if (which & MAC_DIRECTION_TX) {
-		t3_write_reg(adap, A_XGM_TX_CTRL + mac->offset, 0);
-		mac->txen = 0;
-	}
-	if (which & MAC_DIRECTION_RX) {
-		int val = F_MAC_RESET_;
-
-		t3_set_reg_field(mac->adapter, A_XGM_RESET_CTRL + mac->offset,
-				 F_PCS_RESET_, 0);
-		msleep(100);
-		t3_write_reg(adap, A_XGM_RX_CTRL + mac->offset, 0);
-		if (is_10G(adap))
-			val |= F_PCS_RESET_;
-		else if (uses_xaui(adap))
-			val |= F_PCS_RESET_ | F_XG2G_RESET_;
-		else
-			val |= F_RGMII_RESET_ | F_XG2G_RESET_;
-		t3_write_reg(mac->adapter, A_XGM_RESET_CTRL + mac->offset, val);
-	}
-	return 0;
-}
-
-int t3b2_mac_watchdog_task(struct cmac *mac)
-{
-	struct adapter *adap = mac->adapter;
-	struct mac_stats *s = &mac->stats;
-	unsigned int tx_tcnt, tx_xcnt;
-	u64 tx_mcnt = s->tx_frames;
-	int status;
-
-	status = 0;
-	tx_xcnt = 1;		/* By default tx_xcnt is making progress */
-	tx_tcnt = mac->tx_tcnt;	/* If tx_mcnt is progressing ignore tx_tcnt */
-	if (tx_mcnt == mac->tx_mcnt && mac->rx_pause == s->rx_pause) {
-		tx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap,
-						A_XGM_TX_SPI4_SOP_EOP_CNT +
-					       	mac->offset)));
-		if (tx_xcnt == 0) {
-			t3_write_reg(adap, A_TP_PIO_ADDR,
-				     A_TP_TX_DROP_CNT_CH0 + macidx(mac));
-			tx_tcnt = (G_TXDROPCNTCH0RCVD(t3_read_reg(adap,
-						      A_TP_PIO_DATA)));
-		} else {
-			goto out;
-		}
-	} else {
-		mac->toggle_cnt = 0;
-		goto out;
-	}
-
-	if ((tx_tcnt != mac->tx_tcnt) && (mac->tx_xcnt == 0)) {
-		if (mac->toggle_cnt > 4) {
-			status = 2;
-			goto out;
-		} else {
-			status = 1;
-			goto out;
-		}
-	} else {
-		mac->toggle_cnt = 0;
-		goto out;
-	}
-
-out:
-	mac->tx_tcnt = tx_tcnt;
-	mac->tx_xcnt = tx_xcnt;
-	mac->tx_mcnt = s->tx_frames;
-	mac->rx_pause = s->rx_pause;
-	if (status == 1) {
-		t3_write_reg(adap, A_XGM_TX_CTRL + mac->offset, 0);
-		t3_read_reg(adap, A_XGM_TX_CTRL + mac->offset);  /* flush */
-		t3_write_reg(adap, A_XGM_TX_CTRL + mac->offset, mac->txen);
-		t3_read_reg(adap, A_XGM_TX_CTRL + mac->offset);  /* flush */
-		mac->toggle_cnt++;
-	} else if (status == 2) {
-		t3b2_mac_reset(mac);
-		mac->toggle_cnt = 0;
-	}
-	return status;
-}
-
-/*
- * This function is called periodically to accumulate the current values of the
- * RMON counters into the port statistics.  Since the packet counters are only
- * 32 bits they can overflow in ~286 secs at 10G, so the function should be
- * called more frequently than that.  The byte counters are 45-bit wide, they
- * would overflow in ~7.8 hours.
- */
-const struct mac_stats *t3_mac_update_stats(struct cmac *mac)
-{
-#define RMON_READ(mac, addr) t3_read_reg(mac->adapter, addr + mac->offset)
-#define RMON_UPDATE(mac, name, reg) \
-	(mac)->stats.name += (u64)RMON_READ(mac, A_XGM_STAT_##reg)
-#define RMON_UPDATE64(mac, name, reg_lo, reg_hi) \
-	(mac)->stats.name += RMON_READ(mac, A_XGM_STAT_##reg_lo) + \
-			     ((u64)RMON_READ(mac, A_XGM_STAT_##reg_hi) << 32)
-
-	u32 v, lo;
-
-	RMON_UPDATE64(mac, rx_octets, RX_BYTES_LOW, RX_BYTES_HIGH);
-	RMON_UPDATE64(mac, rx_frames, RX_FRAMES_LOW, RX_FRAMES_HIGH);
-	RMON_UPDATE(mac, rx_mcast_frames, RX_MCAST_FRAMES);
-	RMON_UPDATE(mac, rx_bcast_frames, RX_BCAST_FRAMES);
-	RMON_UPDATE(mac, rx_fcs_errs, RX_CRC_ERR_FRAMES);
-	RMON_UPDATE(mac, rx_pause, RX_PAUSE_FRAMES);
-	RMON_UPDATE(mac, rx_jabber, RX_JABBER_FRAMES);
-	RMON_UPDATE(mac, rx_short, RX_SHORT_FRAMES);
-	RMON_UPDATE(mac, rx_symbol_errs, RX_SYM_CODE_ERR_FRAMES);
-
-	RMON_UPDATE(mac, rx_too_long, RX_OVERSIZE_FRAMES);
-
-	v = RMON_READ(mac, A_XGM_RX_MAX_PKT_SIZE_ERR_CNT);
-	if (mac->adapter->params.rev == T3_REV_B2)
-		v &= 0x7fffffff;
-	mac->stats.rx_too_long += v;
-
-	RMON_UPDATE(mac, rx_frames_64, RX_64B_FRAMES);
-	RMON_UPDATE(mac, rx_frames_65_127, RX_65_127B_FRAMES);
-	RMON_UPDATE(mac, rx_frames_128_255, RX_128_255B_FRAMES);
-	RMON_UPDATE(mac, rx_frames_256_511, RX_256_511B_FRAMES);
-	RMON_UPDATE(mac, rx_frames_512_1023, RX_512_1023B_FRAMES);
-	RMON_UPDATE(mac, rx_frames_1024_1518, RX_1024_1518B_FRAMES);
-	RMON_UPDATE(mac, rx_frames_1519_max, RX_1519_MAXB_FRAMES);
-
-	RMON_UPDATE64(mac, tx_octets, TX_BYTE_LOW, TX_BYTE_HIGH);
-	RMON_UPDATE64(mac, tx_frames, TX_FRAME_LOW, TX_FRAME_HIGH);
-	RMON_UPDATE(mac, tx_mcast_frames, TX_MCAST);
-	RMON_UPDATE(mac, tx_bcast_frames, TX_BCAST);
-	RMON_UPDATE(mac, tx_pause, TX_PAUSE);
-	/* This counts error frames in general (bad FCS, underrun, etc). */
-	RMON_UPDATE(mac, tx_underrun, TX_ERR_FRAMES);
-
-	RMON_UPDATE(mac, tx_frames_64, TX_64B_FRAMES);
-	RMON_UPDATE(mac, tx_frames_65_127, TX_65_127B_FRAMES);
-	RMON_UPDATE(mac, tx_frames_128_255, TX_128_255B_FRAMES);
-	RMON_UPDATE(mac, tx_frames_256_511, TX_256_511B_FRAMES);
-	RMON_UPDATE(mac, tx_frames_512_1023, TX_512_1023B_FRAMES);
-	RMON_UPDATE(mac, tx_frames_1024_1518, TX_1024_1518B_FRAMES);
-	RMON_UPDATE(mac, tx_frames_1519_max, TX_1519_MAXB_FRAMES);
-
-	/* The next stat isn't clear-on-read. */
-	t3_write_reg(mac->adapter, A_TP_MIB_INDEX, mac->offset ? 51 : 50);
-	v = t3_read_reg(mac->adapter, A_TP_MIB_RDATA);
-	lo = (u32) mac->stats.rx_cong_drops;
-	mac->stats.rx_cong_drops += (u64) (v - lo);
-
-	return &mac->stats;
-}