Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [SUNGEM]: Fix MAC address setting when interface is up.
  [IPV4] fib_trie: Document locking.
  [NET]: Correct accept(2) recovery after sock_attach_fd()
  [PPP]: Don't leak an sk_buff on interface destruction.
  [NET_SCHED]: Fix ingress locking
  [NET_SCHED]: cls_basic: fix NULL pointer dereference
  [DCCP]: make dccp_write_xmit_timer() static again
  [TG3]: Update version and reldate.
  [TG3]: Exit irq handler during chip reset.
  [TG3]: Eliminate the unused TG3_FLAG_SPLIT_MODE flag.
  [IPV6]: Fix routing round-robin locking.
  [DECNet] fib: Fix out of bound access of dn_fib_props[]
  [IPv4] fib: Fix out of bound access of fib_props[]
  [NET] AX.25 Kconfig and docs updates and fixes
  [NET]: Fix neighbour destructor handling.
  [NET]: Fix fib_rules compatibility breakage
  [SCTP]: Update SCTP Maintainers entry
  [NET]: remove unused header file: drivers/net/wan/lmc/lmc_media.h

Documentation/networking/ax25.txt

@@ -1,16 +1,10 @@
 To use the amateur radio protocols within Linux you will need to get a
-suitable copy of the AX.25 Utilities. More detailed information about these
-and associated programs can be found on http://zone.pspt.fi/~jsn/.
-
-For more information about the AX.25, NET/ROM and ROSE protocol stacks, see
-the AX25-HOWTO written by Terry Dawson <[email protected]>
-who is also the AX.25 Utilities maintainer.
+suitable copy of the AX.25 Utilities. More detailed information about
+AX.25, NET/ROM and ROSE, associated programs and and utilities can be
+found on http://www.linux-ax25.org.
 
 There is an active mailing list for discussing Linux amateur radio matters
-called linux-hams. To subscribe to it, send a message to
+called linux-hams@vger.kernel.org. To subscribe to it, send a message to
 [email protected] with the words "subscribe linux-hams" in the body
-of the message, the subject field is ignored.
-
-Jonathan G4KLX
-
-[email protected]
+of the message, the subject field is ignored.  You don't need to be
+subscribed to post but of course that means you might miss an answer.

MAINTAINERS

@@ -2928,9 +2928,12 @@ L:	[email protected]
 S:	Maintained
 
 SCTP PROTOCOL
+P:	Vlad Yasevich
+M:	[email protected]
 P:	Sridhar Samudrala
 M:	[email protected]
 L:	[email protected]
+W:	http://lksctp.sourceforge.net
 S:	Supported
 
 SCx200 CPU SUPPORT

drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -814,15 +814,15 @@ static void ipoib_set_mcast_list(struct net_device *dev)
 	queue_work(ipoib_workqueue, &priv->restart_task);
 }
 
-static void ipoib_neigh_destructor(struct neighbour *n)
+static void ipoib_neigh_cleanup(struct neighbour *n)
 {
 	struct ipoib_neigh *neigh;
 	struct ipoib_dev_priv *priv = netdev_priv(n->dev);
 	unsigned long flags;
 	struct ipoib_ah *ah = NULL;
 
 	ipoib_dbg(priv,
-		  "neigh_destructor for %06x " IPOIB_GID_FMT "\n",
+		  "neigh_cleanup for %06x " IPOIB_GID_FMT "\n",
 		  IPOIB_QPN(n->ha),
 		  IPOIB_GID_RAW_ARG(n->ha + 4));
 
@@ -874,7 +874,7 @@ void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh)
 
 static int ipoib_neigh_setup_dev(struct net_device *dev, struct neigh_parms *parms)
 {
-	parms->neigh_destructor = ipoib_neigh_destructor;
+	parms->neigh_cleanup = ipoib_neigh_cleanup;
 
 	return 0;
 }

drivers/net/ppp_generic.c

@@ -2544,6 +2544,9 @@ static void ppp_destroy_interface(struct ppp *ppp)
 	ppp->active_filter = NULL;
 #endif /* CONFIG_PPP_FILTER */
 
+	if (ppp->xmit_pending)
+		kfree_skb(ppp->xmit_pending);
+
 	kfree(ppp);
 }
 

drivers/net/sungem.c

@@ -2530,6 +2530,35 @@ static struct net_device_stats *gem_get_stats(struct net_device *dev)
 	return &gp->net_stats;
 }
 
+static int gem_set_mac_address(struct net_device *dev, void *addr)
+{
+	struct sockaddr *macaddr = (struct sockaddr *) addr;
+	struct gem *gp = dev->priv;
+	unsigned char *e = &dev->dev_addr[0];
+
+	if (!is_valid_ether_addr(macaddr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	if (!netif_running(dev) || !netif_device_present(dev)) {
+		/* We'll just catch it later when the
+		 * device is up'd or resumed.
+		 */
+		memcpy(dev->dev_addr, macaddr->sa_data, dev->addr_len);
+		return 0;
+	}
+
+	mutex_lock(&gp->pm_mutex);
+	memcpy(dev->dev_addr, macaddr->sa_data, dev->addr_len);
+	if (gp->running) {
+		writel((e[4] << 8) | e[5], gp->regs + MAC_ADDR0);
+		writel((e[2] << 8) | e[3], gp->regs + MAC_ADDR1);
+		writel((e[0] << 8) | e[1], gp->regs + MAC_ADDR2);
+	}
+	mutex_unlock(&gp->pm_mutex);
+
+	return 0;
+}
+
 static void gem_set_multicast(struct net_device *dev)
 {
 	struct gem *gp = dev->priv;
@@ -3122,6 +3151,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
 	dev->change_mtu = gem_change_mtu;
 	dev->irq = pdev->irq;
 	dev->dma = 0;
+	dev->set_mac_address = gem_set_mac_address;
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	dev->poll_controller = gem_poll_controller;
 #endif

drivers/net/tg3.c

@@ -64,8 +64,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.74"
-#define DRV_MODULE_RELDATE	"February 20, 2007"
+#define DRV_MODULE_VERSION	"3.75"
+#define DRV_MODULE_RELDATE	"March 23, 2007"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -3568,32 +3568,34 @@ static irqreturn_t tg3_interrupt(int irq, void *dev_id)
 	 * Reading the PCI State register will confirm whether the
 	 * interrupt is ours and will flush the status block.
 	 */
-	if ((sblk->status & SD_STATUS_UPDATED) ||
-	    !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
-		/*
-		 * Writing any value to intr-mbox-0 clears PCI INTA# and
-		 * chip-internal interrupt pending events.
-		 * Writing non-zero to intr-mbox-0 additional tells the
-		 * NIC to stop sending us irqs, engaging "in-intr-handler"
-		 * event coalescing.
-		 */
-		tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
-			     0x00000001);
-		if (tg3_irq_sync(tp))
+	if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
+		if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
+		    (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
+			handled = 0;
 			goto out;
-		sblk->status &= ~SD_STATUS_UPDATED;
-		if (likely(tg3_has_work(tp))) {
-			prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
-			netif_rx_schedule(dev);		/* schedule NAPI poll */
-		} else {
-			/* No work, shared interrupt perhaps?  re-enable
-			 * interrupts, and flush that PCI write
-			 */
-			tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
-			     	0x00000000);
 		}
-	} else {	/* shared interrupt */
-		handled = 0;
+	}
+
+	/*
+	 * Writing any value to intr-mbox-0 clears PCI INTA# and
+	 * chip-internal interrupt pending events.
+	 * Writing non-zero to intr-mbox-0 additional tells the
+	 * NIC to stop sending us irqs, engaging "in-intr-handler"
+	 * event coalescing.
+	 */
+	tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+	if (tg3_irq_sync(tp))
+		goto out;
+	sblk->status &= ~SD_STATUS_UPDATED;
+	if (likely(tg3_has_work(tp))) {
+		prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
+		netif_rx_schedule(dev);		/* schedule NAPI poll */
+	} else {
+		/* No work, shared interrupt perhaps?  re-enable
+		 * interrupts, and flush that PCI write
+		 */
+		tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+			       0x00000000);
 	}
 out:
 	return IRQ_RETVAL(handled);
@@ -3611,31 +3613,33 @@ static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
 	 * Reading the PCI State register will confirm whether the
 	 * interrupt is ours and will flush the status block.
 	 */
-	if ((sblk->status_tag != tp->last_tag) ||
-	    !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
-		/*
-		 * writing any value to intr-mbox-0 clears PCI INTA# and
-		 * chip-internal interrupt pending events.
-		 * writing non-zero to intr-mbox-0 additional tells the
-		 * NIC to stop sending us irqs, engaging "in-intr-handler"
-		 * event coalescing.
-		 */
-		tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
-			     0x00000001);
-		if (tg3_irq_sync(tp))
+	if (unlikely(sblk->status_tag == tp->last_tag)) {
+		if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
+		    (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
+			handled = 0;
 			goto out;
-		if (netif_rx_schedule_prep(dev)) {
-			prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
-			/* Update last_tag to mark that this status has been
-			 * seen. Because interrupt may be shared, we may be
-			 * racing with tg3_poll(), so only update last_tag
-			 * if tg3_poll() is not scheduled.
-			 */
-			tp->last_tag = sblk->status_tag;
-			__netif_rx_schedule(dev);
 		}
-	} else {	/* shared interrupt */
-		handled = 0;
+	}
+
+	/*
+	 * writing any value to intr-mbox-0 clears PCI INTA# and
+	 * chip-internal interrupt pending events.
+	 * writing non-zero to intr-mbox-0 additional tells the
+	 * NIC to stop sending us irqs, engaging "in-intr-handler"
+	 * event coalescing.
+	 */
+	tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+	if (tg3_irq_sync(tp))
+		goto out;
+	if (netif_rx_schedule_prep(dev)) {
+		prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
+		/* Update last_tag to mark that this status has been
+		 * seen. Because interrupt may be shared, we may be
+		 * racing with tg3_poll(), so only update last_tag
+		 * if tg3_poll() is not scheduled.
+		 */
+		tp->last_tag = sblk->status_tag;
+		__netif_rx_schedule(dev);
 	}
 out:
 	return IRQ_RETVAL(handled);
@@ -4823,6 +4827,19 @@ static int tg3_chip_reset(struct tg3 *tp)
 	if (write_op == tg3_write_flush_reg32)
 		tp->write32 = tg3_write32;
 
+	/* Prevent the irq handler from reading or writing PCI registers
+	 * during chip reset when the memory enable bit in the PCI command
+	 * register may be cleared.  The chip does not generate interrupt
+	 * at this time, but the irq handler may still be called due to irq
+	 * sharing or irqpoll.
+	 */
+	tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
+	tp->hw_status->status = 0;
+	tp->hw_status->status_tag = 0;
+	tp->last_tag = 0;
+	smp_mb();
+	synchronize_irq(tp->pdev->irq);
+
 	/* do the reset */
 	val = GRC_MISC_CFG_CORECLK_RESET;
 
@@ -4904,6 +4921,8 @@ static int tg3_chip_reset(struct tg3 *tp)
 
 	pci_restore_state(tp->pdev);
 
+	tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
+
 	/* Make sure PCI-X relaxed ordering bit is clear. */
 	pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
 	val &= ~PCIX_CAPS_RELAXED_ORDERING;
@@ -6321,8 +6340,6 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 		      RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
 		      RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
 		      RDMAC_MODE_LNGREAD_ENAB);
-	if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
-		rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
 
 	/* If statement applies to 5705 and 5750 PCI devices only */
 	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
@@ -6495,9 +6512,6 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 		} else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 			val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
 			val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
-			if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
-				val |= (tp->split_mode_max_reqs <<
-					PCIX_CAPS_SPLIT_SHIFT);
 		}
 		tw32(TG3PCI_X_CAPS, val);
 	}
@@ -10863,14 +10877,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	grc_misc_cfg = tr32(GRC_MISC_CFG);
 	grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
 
-	/* Broadcom's driver says that CIOBE multisplit has a bug */
-#if 0
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
-	    grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
-		tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
-		tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
-	}
-#endif
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
 	    (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
 	     grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
@@ -11968,14 +11974,12 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 		       i == 5 ? '\n' : ':');
 
 	printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
-	       "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
-	       "TSOcap[%d] \n",
+	       "MIirq[%d] ASF[%d] WireSpeed[%d] TSOcap[%d]\n",
 	       dev->name,
 	       (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
 	       (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
 	       (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
 	       (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
-	       (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
 	       (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
 	       (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
 	printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",

drivers/net/tg3.h

@@ -2223,7 +2223,7 @@ struct tg3 {
 #define TG3_FLAG_40BIT_DMA_BUG		0x08000000
 #define TG3_FLAG_BROKEN_CHECKSUMS	0x10000000
 #define TG3_FLAG_GOT_SERDES_FLOWCTL	0x20000000
-#define TG3_FLAG_SPLIT_MODE		0x40000000
+#define TG3_FLAG_CHIP_RESETTING		0x40000000
 #define TG3_FLAG_INIT_COMPLETE		0x80000000
 	u32				tg3_flags2;
 #define TG3_FLG2_RESTART_TIMER		0x00000001
@@ -2262,9 +2262,6 @@ struct tg3 {
 #define TG3_FLG2_NO_FWARE_REPORTED	0x40000000
 #define TG3_FLG2_PHY_ADJUST_TRIM	0x80000000
 
-	u32				split_mode_max_reqs;
-#define SPLIT_MODE_5704_MAX_REQ		3
-
 	struct timer_list		timer;
 	u16				timer_counter;
 	u16				timer_multiplier;