Merge bk://kernel.bkbits.net/davem/tg3-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

drivers/net/tg3.c

@@ -56,8 +56,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.1"
-#define DRV_MODULE_RELDATE	"April 3, 2004"
+#define DRV_MODULE_VERSION	"3.2"
+#define DRV_MODULE_RELDATE	"April 26, 2004"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -126,6 +126,8 @@
 /* minimum number of free TX descriptors required to wake up TX process */
 #define TG3_TX_WAKEUP_THRESH		(TG3_TX_RING_SIZE / 4)
 
+#define TG3_NUM_STATS		25	/* number of ETHTOOL_GSTATS u64's */
+
 static char version[] __devinitdata =
 	DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 
@@ -199,6 +201,37 @@ static struct pci_device_id tg3_pci_tbl[] = {
 
 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 
+struct {
+	char string[ETH_GSTRING_LEN];
+} ethtool_stats_keys[TG3_NUM_STATS] = {
+	{ "rx_fragments" },
+	{ "rx_ucast_packets" },
+	{ "rx_bcast_packets" },
+	{ "rx_fcs_errors" },
+	{ "rx_xon_pause_rcvd" },
+	{ "rx_xoff_pause_rcvd" },
+	{ "rx_mac_ctrl_rcvd" },
+	{ "rx_xoff_entered" },
+	{ "rx_frame_too_long_errors" },
+	{ "rx_jabbers" },
+	{ "rx_undersize_packets" },
+	{ "rx_in_length_errors" },
+	{ "rx_out_length_errors" },
+
+	{ "tx_xon_sent" },
+	{ "tx_xoff_sent" },
+	{ "tx_flow_control" },
+	{ "tx_mac_errors" },
+	{ "tx_single_collisions" },
+	{ "tx_mult_collisions" },
+	{ "tx_deferred" },
+	{ "tx_excessive_collisions" },
+	{ "tx_late_collisions" },
+	{ "tx_ucast_packets" },
+	{ "tx_mcast_packets" },
+	{ "tx_bcast_packets" }
+};
+
 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 {
 	if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) != 0) {
@@ -700,14 +733,29 @@ static int tg3_phy_reset(struct tg3 *tp)
 		tg3_writephy(tp, 0x1c, 0x8d68);
 		tg3_writephy(tp, 0x1c, 0x8d68);
 	}
+	if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
+		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
+		tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
+		tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
+		tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
+		tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
+		tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
+		tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
+		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
+	}
 	/* Set Extended packet length bit (bit 14) on all chips that */
 	/* support jumbo frames */
-	if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401 ||
-	    (tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
+	if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
+		/* Cannot do read-modify-write on 5401 */
 		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
 	}
 	else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
-		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
+		u32 phy_reg;
+
+		/* Set bit 14 with read-modify-write to preserve other bits */
+		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007);
+		tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg);
+		tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
 	}
 	tg3_phy_set_wirespeed(tp);
 	return 0;
@@ -1060,8 +1108,6 @@ static int tg3_phy_copper_begin(struct tg3 *tp)
 	u32 new_adv;
 	int i;
 
-	tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
-
 	if (tp->link_config.phy_is_low_power) {
 		/* Entering low power mode.  Disable gigabit and
 		 * 100baseT advertisements.
@@ -3910,7 +3956,7 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
 #define TG3_TSO_FW_START_ADDR		0x08000000
 #define TG3_TSO_FW_TEXT_ADDR		0x08000000
 #define TG3_TSO_FW_TEXT_LEN		0x1a90
-#define TG3_TSO_FW_RODATA_ADDR		0x08001a900
+#define TG3_TSO_FW_RODATA_ADDR		0x08001a90
 #define TG3_TSO_FW_RODATA_LEN		0x60
 #define TG3_TSO_FW_DATA_ADDR		0x08001b20
 #define TG3_TSO_FW_DATA_LEN		0x20
@@ -5574,6 +5620,7 @@ static int tg3_open(struct net_device *dev)
 #endif
 
 static struct net_device_stats *tg3_get_stats(struct net_device *);
+static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
 
 static int tg3_close(struct net_device *dev)
 {
@@ -5605,6 +5652,8 @@ static int tg3_close(struct net_device *dev)
 
 	memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
 	       sizeof(tp->net_stats_prev));
+	memcpy(&tp->estats_prev, tg3_get_estats(tp),
+	       sizeof(tp->estats_prev));
 
 	tg3_free_consistent(tp);
 
@@ -5647,6 +5696,49 @@ static unsigned long calc_crc_errors(struct tg3 *tp)
 	return get_stat64(&hw_stats->rx_fcs_errors);
 }
 
+#define ESTAT_ADD(member) \
+	estats->member =	old_estats->member + \
+				get_stat64(&hw_stats->member)
+
+static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
+{
+	struct tg3_ethtool_stats *estats = &tp->estats;
+	struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
+	struct tg3_hw_stats *hw_stats = tp->hw_stats;
+
+	if (!hw_stats)
+		return old_estats;
+
+	ESTAT_ADD(rx_fragments);
+	ESTAT_ADD(rx_ucast_packets);
+	ESTAT_ADD(rx_bcast_packets);
+	ESTAT_ADD(rx_fcs_errors);
+	ESTAT_ADD(rx_xon_pause_rcvd);
+	ESTAT_ADD(rx_xoff_pause_rcvd);
+	ESTAT_ADD(rx_mac_ctrl_rcvd);
+	ESTAT_ADD(rx_xoff_entered);
+	ESTAT_ADD(rx_frame_too_long_errors);
+	ESTAT_ADD(rx_jabbers);
+	ESTAT_ADD(rx_undersize_packets);
+	ESTAT_ADD(rx_in_length_errors);
+	ESTAT_ADD(rx_out_length_errors);
+
+	ESTAT_ADD(tx_xon_sent);
+	ESTAT_ADD(tx_xoff_sent);
+	ESTAT_ADD(tx_flow_control);
+	ESTAT_ADD(tx_mac_errors);
+	ESTAT_ADD(tx_single_collisions);
+	ESTAT_ADD(tx_mult_collisions);
+	ESTAT_ADD(tx_deferred);
+	ESTAT_ADD(tx_excessive_collisions);
+	ESTAT_ADD(tx_late_collisions);
+	ESTAT_ADD(tx_ucast_packets);
+	ESTAT_ADD(tx_mcast_packets);
+	ESTAT_ADD(tx_bcast_packets);
+
+	return estats;
+}
+
 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
 {
 	struct tg3 *tp = dev->priv;
@@ -6171,6 +6263,30 @@ static int tg3_set_tx_csum(struct net_device *dev, u32 data)
 	return 0;
 }
 
+static int tg3_get_stats_count (struct net_device *dev)
+{
+	return TG3_NUM_STATS;
+}
+
+static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
+{
+	switch (stringset) {
+	case ETH_SS_STATS:
+		memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
+		break;
+	default:
+		WARN_ON(1);	/* we need a WARN() */
+		break;
+	}
+}
+
+static void tg3_get_ethtool_stats (struct net_device *dev,
+				   struct ethtool_stats *estats, u64 *tmp_stats)
+{
+	struct tg3 *tp = dev->priv;
+	memcpy(tmp_stats, &tp->estats, sizeof(tp->estats));
+}
+
 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
 	struct mii_ioctl_data *data = (struct mii_ioctl_data *)&ifr->ifr_data;
@@ -6267,6 +6383,9 @@ static struct ethtool_ops tg3_ethtool_ops = {
 	.get_tso		= ethtool_op_get_tso,
 	.set_tso		= tg3_set_tso,
 #endif
+	.get_strings		= tg3_get_strings,
+	.get_stats_count	= tg3_get_stats_count,
+	.get_ethtool_stats	= tg3_get_ethtool_stats,
 };
 
 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
@@ -6605,21 +6724,6 @@ static int __devinit tg3_phy_probe(struct tg3 *tp)
 			return err;
 	}
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
-		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c00);
-		tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
-		tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
-	}
-
-	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
-	    (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)) {
-		tg3_writephy(tp, 0x1c, 0x8d68);
-		tg3_writephy(tp, 0x1c, 0x8d68);
-	}
-
-	/* Enable Ethernet@WireSpeed */
-	tg3_phy_set_wirespeed(tp);
-
 	if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
 		err = tg3_init_5401phy_dsp(tp);
 	}
@@ -6934,6 +7038,10 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
 		tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
 
+	/* Note: 5705 also needs this flag set to improve bit error rate. */
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
+		tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
+
 	/* Only 5701 and later support tagged irq status mode.
 	 * Also, 5788 chips cannot use tagged irq status.
 	 *

drivers/net/tg3.h

@@ -1817,6 +1817,37 @@ struct tg3_bufmgr_config {
 	u32		dma_high_water;
 };
 
+struct tg3_ethtool_stats {
+	/* Statistics maintained by Receive MAC. */
+	u64		rx_fragments;
+	u64		rx_ucast_packets;
+	u64		rx_bcast_packets;
+	u64		rx_fcs_errors;
+	u64		rx_xon_pause_rcvd;
+	u64		rx_xoff_pause_rcvd;
+	u64		rx_mac_ctrl_rcvd;
+	u64		rx_xoff_entered;
+	u64		rx_frame_too_long_errors;
+	u64		rx_jabbers;
+	u64		rx_undersize_packets;
+	u64		rx_in_length_errors;
+	u64		rx_out_length_errors;
+
+	/* Statistics maintained by Transmit MAC. */
+	u64		tx_xon_sent;
+	u64		tx_xoff_sent;
+	u64		tx_flow_control;
+	u64		tx_mac_errors;
+	u64		tx_single_collisions;
+	u64		tx_mult_collisions;
+	u64		tx_deferred;
+	u64		tx_excessive_collisions;
+	u64		tx_late_collisions;
+	u64		tx_ucast_packets;
+	u64		tx_mcast_packets;
+	u64		tx_bcast_packets;
+};
+
 struct tg3 {
 	/* begin "general, frequently-used members" cacheline section */
 
@@ -1880,6 +1911,9 @@ struct tg3 {
 	/* begin "everything else" cacheline(s) section */
 	struct net_device_stats		net_stats;
 	struct net_device_stats		net_stats_prev;
+	struct tg3_ethtool_stats	estats;
+	struct tg3_ethtool_stats	estats_prev;
+
 	unsigned long			phy_crc_errors;
 
 	u32				rx_offset;
@@ -1929,6 +1963,7 @@ struct tg3 {
 #define TG3_FLG2_TSO_CAPABLE		0x00000020
 #define TG3_FLG2_PHY_ADC_BUG		0x00000040
 #define TG3_FLG2_PHY_5704_A0_BUG	0x00000080
+#define TG3_FLG2_PHY_BER_BUG		0x00000100
 
 	u32				split_mode_max_reqs;
 #define SPLIT_MODE_5704_MAX_REQ		3