1 files changed, 102 insertions, 46 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 7195bdec17f..385434ff396 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.106"
-#define DRV_MODULE_RELDATE	"January 12, 2010"
+#define DRV_MODULE_VERSION	"3.107"
+#define DRV_MODULE_RELDATE	"February 12, 2010"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -642,7 +642,6 @@ static void tg3_disable_ints(struct tg3 *tp)
 static void tg3_enable_ints(struct tg3 *tp)
 {
 	int i;
-	u32 coal_now = 0;
 
 	tp->irq_sync = 0;
 	wmb();
@@ -650,13 +649,14 @@ static void tg3_enable_ints(struct tg3 *tp)
 	tw32(TG3PCI_MISC_HOST_CTRL,
 	     (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 
+	tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
 	for (i = 0; i < tp->irq_cnt; i++) {
 		struct tg3_napi *tnapi = &tp->napi[i];
 		tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 		if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 			tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 
-		coal_now |= tnapi->coal_now;
+		tp->coal_now |= tnapi->coal_now;
 	}
 
 	/* Force an initial interrupt */
@@ -664,8 +664,9 @@ static void tg3_enable_ints(struct tg3 *tp)
 	    (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
 		tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 	else
-		tw32(HOSTCC_MODE, tp->coalesce_mode |
-		     HOSTCC_MODE_ENABLE | coal_now);
+		tw32(HOSTCC_MODE, tp->coal_now);
+
+	tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
 }
 
 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
@@ -4552,6 +4553,12 @@ static void tg3_recycle_rx(struct tg3_napi *tnapi,
 			   pci_unmap_addr(src_map, mapping));
 	dest_desc->addr_hi = src_desc->addr_hi;
 	dest_desc->addr_lo = src_desc->addr_lo;
+
+	/* Ensure that the update to the skb happens after the physical
+	 * addresses have been transferred to the new BD location.
+	 */
+	smp_wmb();
+
 	src_map->skb = NULL;
 }
 
@@ -4733,7 +4740,7 @@ next_pkt_nopost:
 	tw32_rx_mbox(tnapi->consmbox, sw_idx);
 
 	/* Refill RX ring(s). */
-	if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) || tnapi == &tp->napi[1]) {
+	if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
 		if (work_mask & RXD_OPAQUE_RING_STD) {
 			tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
 			tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
@@ -4755,7 +4762,8 @@ next_pkt_nopost:
 		tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
 		tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
 
-		napi_schedule(&tp->napi[1].napi);
+		if (tnapi != &tp->napi[1])
+			napi_schedule(&tp->napi[1].napi);
 	}
 
 	return received;
@@ -4787,12 +4795,12 @@ static void tg3_poll_link(struct tg3 *tp)
 	}
 }
 
-static void tg3_rx_prodring_xfer(struct tg3 *tp,
-				 struct tg3_rx_prodring_set *dpr,
-				 struct tg3_rx_prodring_set *spr)
+static int tg3_rx_prodring_xfer(struct tg3 *tp,
+				struct tg3_rx_prodring_set *dpr,
+				struct tg3_rx_prodring_set *spr)
 {
 	u32 si, di, cpycnt, src_prod_idx;
-	int i;
+	int i, err = 0;
 
 	while (1) {
 		src_prod_idx = spr->rx_std_prod_idx;
@@ -4815,6 +4823,23 @@ static void tg3_rx_prodring_xfer(struct tg3 *tp,
 		si = spr->rx_std_cons_idx;
 		di = dpr->rx_std_prod_idx;
 
+		for (i = di; i < di + cpycnt; i++) {
+			if (dpr->rx_std_buffers[i].skb) {
+				cpycnt = i - di;
+				err = -ENOSPC;
+				break;
+			}
+		}
+
+		if (!cpycnt)
+			break;
+
+		/* Ensure that updates to the rx_std_buffers ring and the
+		 * shadowed hardware producer ring from tg3_recycle_skb() are
+		 * ordered correctly WRT the skb check above.
+		 */
+		smp_rmb();
+
 		memcpy(&dpr->rx_std_buffers[di],
 		       &spr->rx_std_buffers[si],
 		       cpycnt * sizeof(struct ring_info));
@@ -4855,6 +4880,23 @@ static void tg3_rx_prodring_xfer(struct tg3 *tp,
 		si = spr->rx_jmb_cons_idx;
 		di = dpr->rx_jmb_prod_idx;
 
+		for (i = di; i < di + cpycnt; i++) {
+			if (dpr->rx_jmb_buffers[i].skb) {
+				cpycnt = i - di;
+				err = -ENOSPC;
+				break;
+			}
+		}
+
+		if (!cpycnt)
+			break;
+
+		/* Ensure that updates to the rx_jmb_buffers ring and the
+		 * shadowed hardware producer ring from tg3_recycle_skb() are
+		 * ordered correctly WRT the skb check above.
+		 */
+		smp_rmb();
+
 		memcpy(&dpr->rx_jmb_buffers[di],
 		       &spr->rx_jmb_buffers[si],
 		       cpycnt * sizeof(struct ring_info));
@@ -4872,6 +4914,8 @@ static void tg3_rx_prodring_xfer(struct tg3 *tp,
 		dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
 				       TG3_RX_JUMBO_RING_SIZE;
 	}
+
+	return err;
 }
 
 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
@@ -4893,27 +4937,29 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
 		work_done += tg3_rx(tnapi, budget - work_done);
 
 	if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
-		int i;
-		u32 std_prod_idx = tp->prodring[0].rx_std_prod_idx;
-		u32 jmb_prod_idx = tp->prodring[0].rx_jmb_prod_idx;
+		struct tg3_rx_prodring_set *dpr = &tp->prodring[0];
+		int i, err = 0;
+		u32 std_prod_idx = dpr->rx_std_prod_idx;
+		u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
 
-		for (i = 2; i < tp->irq_cnt; i++)
-			tg3_rx_prodring_xfer(tp, tnapi->prodring,
-					     tp->napi[i].prodring);
+		for (i = 1; i < tp->irq_cnt; i++)
+			err |= tg3_rx_prodring_xfer(tp, dpr,
+						    tp->napi[i].prodring);
 
 		wmb();
 
-		if (std_prod_idx != tp->prodring[0].rx_std_prod_idx) {
-			u32 mbox = TG3_RX_STD_PROD_IDX_REG;
-			tw32_rx_mbox(mbox, tp->prodring[0].rx_std_prod_idx);
-		}
+		if (std_prod_idx != dpr->rx_std_prod_idx)
+			tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
+				     dpr->rx_std_prod_idx);
 
-		if (jmb_prod_idx != tp->prodring[0].rx_jmb_prod_idx) {
-			u32 mbox = TG3_RX_JMB_PROD_IDX_REG;
-			tw32_rx_mbox(mbox, tp->prodring[0].rx_jmb_prod_idx);
-		}
+		if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
+			tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
+				     dpr->rx_jmb_prod_idx);
 
 		mmiowb();
+
+		if (err)
+			tw32_f(HOSTCC_MODE, tp->coal_now);
 	}
 
 	return work_done;
@@ -6173,8 +6219,7 @@ static void tg3_free_rings(struct tg3 *tp)
 			dev_kfree_skb_any(skb);
 		}
 
-		if (tp->irq_cnt == 1 || j != tp->irq_cnt - 1)
-			tg3_rx_prodring_free(tp, &tp->prodring[j]);
+		tg3_rx_prodring_free(tp, &tp->prodring[j]);
 	}
 }
 
@@ -6210,9 +6255,10 @@ static int tg3_init_rings(struct tg3 *tp)
 		if (tnapi->rx_rcb)
 			memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
 
-		if ((tp->irq_cnt == 1 || i != tp->irq_cnt - 1) &&
-			tg3_rx_prodring_alloc(tp, &tp->prodring[i]))
+		if (tg3_rx_prodring_alloc(tp, &tp->prodring[i])) {
+			tg3_free_rings(tp);
 			return -ENOMEM;
+		}
 	}
 
 	return 0;
@@ -6259,7 +6305,7 @@ static void tg3_free_consistent(struct tg3 *tp)
 		tp->hw_stats = NULL;
 	}
 
-	for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++)
+	for (i = 0; i < tp->irq_cnt; i++)
 		tg3_rx_prodring_fini(tp, &tp->prodring[i]);
 }
 
@@ -6271,7 +6317,7 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 {
 	int i;
 
-	for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++) {
+	for (i = 0; i < tp->irq_cnt; i++) {
 		if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
 			goto err_out;
 	}
@@ -6336,10 +6382,7 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 			break;
 		}
 
-		if (tp->irq_cnt == 1)
-			tnapi->prodring = &tp->prodring[0];
-		else if (i)
-			tnapi->prodring = &tp->prodring[i - 1];
+		tnapi->prodring = &tp->prodring[i];
 
 		/*
 		 * If multivector RSS is enabled, vector 0 does not handle
@@ -6678,6 +6721,13 @@ static int tg3_poll_fw(struct tg3 *tp)
 		       tp->dev->name);
 	}
 
+	if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
+		/* The 57765 A0 needs a little more
+		 * time to do some important work.
+		 */
+		mdelay(10);
+	}
+
 	return 0;
 }
 
@@ -7545,8 +7595,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 		tg3_abort_hw(tp, 1);
 	}
 
-	if (reset_phy &&
-	    !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
+	if (reset_phy)
 		tg3_phy_reset(tp);
 
 	err = tg3_chip_reset(tp);
@@ -7865,6 +7914,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 		      RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
 		      RDMAC_MODE_LNGREAD_ENAB);
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+		rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
+
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
@@ -9430,7 +9482,7 @@ static void __tg3_set_rx_mode(struct net_device *dev)
 	} else if (dev->flags & IFF_ALLMULTI) {
 		/* Accept all multicast. */
 		tg3_set_multi (tp, 1);
-	} else if (dev->mc_count < 1) {
+	} else if (netdev_mc_empty(dev)) {
 		/* Reject all multicast. */
 		tg3_set_multi (tp, 0);
 	} else {
@@ -9442,7 +9494,7 @@ static void __tg3_set_rx_mode(struct net_device *dev)
 		u32 bit;
 		u32 crc;
 
-		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
+		for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
 		     i++, mclist = mclist->next) {
 
 			crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
@@ -10728,12 +10780,12 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 	struct tg3_napi *tnapi, *rnapi;
 	struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
 
+	tnapi = &tp->napi[0];
+	rnapi = &tp->napi[0];
 	if (tp->irq_cnt > 1) {
-		tnapi = &tp->napi[1];
 		rnapi = &tp->napi[1];
-	} else {
-		tnapi = &tp->napi[0];
-		rnapi = &tp->napi[0];
+		if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
+			tnapi = &tp->napi[1];
 	}
 	coal_now = tnapi->coal_now | rnapi->coal_now;
 
@@ -10770,8 +10822,12 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 
 		mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
 		if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
-			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
-				tg3_writephy(tp, MII_TG3_FET_PTEST, 0x1800);
+			tg3_writephy(tp, MII_TG3_FET_PTEST,
+				     MII_TG3_FET_PTEST_FRC_TX_LINK |
+				     MII_TG3_FET_PTEST_FRC_TX_LOCK);
+			/* The write needs to be flushed for the AC131 */
+			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
+				tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
 			mac_mode |= MAC_MODE_PORT_MODE_MII;
 		} else
 			mac_mode |= MAC_MODE_PORT_MODE_GMII;