Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/k…

…ernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (48 commits)
  LIB82596: correct data types for hardware addresses
  via-velocity: don't oops on MTU change (resend)
  Stop phy code from returning success to unknown ioctls.
  SET_NETDEV_DEV() in fec_mpc52xx.c
  net: smc911x: only enable for mpr2 on sh.
  e1000: Fix NAPI state bug when Rx complete
  sky2: turn of dynamic Tx watermark workaround (FE+ only)
  sky2: don't use AER routines
  sky2: revert to access PCI config via device space
  cxgb - fix stats
  cxgb - fix NAPI
  cxgb - fix T2 GSO
  ucc_geth: handle passing of RX-only and TX-only internal delay PHY connection type parameters
  phylib: marvell: add support for TX-only and RX-only Internal Delay
  phylib: add PHY interface modes for internal delay for tx and rx only
  skge: MTU changing fix
  skge: serial mode register values
  skge version 1.13
  skge: increase TX threshold for Jumbo
  skge: fiber link up/down fix
  ...

drivers/net/Kconfig

@@ -888,7 +888,7 @@ config SMC91X
 	tristate "SMC 91C9x/91C1xxx support"
 	select CRC32
 	select MII
-	depends on ARM || REDWOOD_5 || REDWOOD_6 || M32R || SUPERH || SOC_AU1X00 || BFIN
+	depends on ARM || REDWOOD_5 || REDWOOD_6 || M32R || SUPERH || SOC_AU1X00 || BLACKFIN
 	help
 	  This is a driver for SMC's 91x series of Ethernet chipsets,
 	  including the SMC91C94 and the SMC91C111. Say Y if you want it
@@ -926,7 +926,7 @@ config SMC911X
 	tristate "SMSC LAN911[5678] support"
 	select CRC32
 	select MII
-	depends on ARCH_PXA || SUPERH
+	depends on ARCH_PXA || SH_MAGIC_PANEL_R2
 	help
 	  This is a driver for SMSC's LAN911x series of Ethernet chipsets
 	  including the new LAN9115, LAN9116, LAN9117, and LAN9118.

drivers/net/amd8111e.c

@@ -1340,7 +1340,9 @@ static int amd8111e_close(struct net_device * dev)
 	struct amd8111e_priv *lp = netdev_priv(dev);
 	netif_stop_queue(dev);
 
+#ifdef CONFIG_AMD8111E_NAPI
 	napi_disable(&lp->napi);
+#endif
 
 	spin_lock_irq(&lp->lock);
 
@@ -1372,15 +1374,19 @@ static int amd8111e_open(struct net_device * dev )
 					 dev->name, dev))
 		return -EAGAIN;
 
+#ifdef CONFIG_AMD8111E_NAPI
 	napi_enable(&lp->napi);
+#endif
 
 	spin_lock_irq(&lp->lock);
 
 	amd8111e_init_hw_default(lp);
 
 	if(amd8111e_restart(dev)){
 		spin_unlock_irq(&lp->lock);
+#ifdef CONFIG_AMD8111E_NAPI
 		napi_disable(&lp->napi);
+#endif
 		if (dev->irq)
 			free_irq(dev->irq, dev);
 		return -ENOMEM;

drivers/net/bfin_mac.c

@@ -676,7 +676,7 @@ static void bf537mac_rx(struct net_device *dev)
 	skb->protocol = eth_type_trans(skb, dev);
 #if defined(BFIN_MAC_CSUM_OFFLOAD)
 	skb->csum = current_rx_ptr->status.ip_payload_csum;
-	skb->ip_summed = CHECKSUM_PARTIAL;
+	skb->ip_summed = CHECKSUM_COMPLETE;
 #endif
 
 	netif_rx(skb);

drivers/net/chelsio/cxgb2.c

@@ -374,7 +374,9 @@ static char stats_strings[][ETH_GSTRING_LEN] = {
 	"TxInternalMACXmitError",
 	"TxFramesWithExcessiveDeferral",
 	"TxFCSErrors",
-
+	"TxJumboFramesOk",
+	"TxJumboOctetsOk",
+
 	"RxOctetsOK",
 	"RxOctetsBad",
 	"RxUnicastFramesOK",
@@ -392,16 +394,17 @@ static char stats_strings[][ETH_GSTRING_LEN] = {
 	"RxInRangeLengthErrors",
 	"RxOutOfRangeLengthField",
 	"RxFrameTooLongErrors",
+	"RxJumboFramesOk",
+	"RxJumboOctetsOk",
 
 	/* Port stats */
-	"RxPackets",
 	"RxCsumGood",
-	"TxPackets",
 	"TxCsumOffload",
 	"TxTso",
 	"RxVlan",
 	"TxVlan",
-
+	"TxNeedHeadroom", 
+
 	/* Interrupt stats */
 	"rx drops",
 	"pure_rsps",
@@ -463,23 +466,56 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
 	const struct cmac_statistics *s;
 	const struct sge_intr_counts *t;
 	struct sge_port_stats ss;
-	unsigned int len;
 
 	s = mac->ops->statistics_update(mac, MAC_STATS_UPDATE_FULL);
-
-	len = sizeof(u64)*(&s->TxFCSErrors + 1 - &s->TxOctetsOK);
-	memcpy(data, &s->TxOctetsOK, len);
-	data += len;
-
-	len = sizeof(u64)*(&s->RxFrameTooLongErrors + 1 - &s->RxOctetsOK);
-	memcpy(data, &s->RxOctetsOK, len);
-	data += len;
-
+	t = t1_sge_get_intr_counts(adapter->sge);
 	t1_sge_get_port_stats(adapter->sge, dev->if_port, &ss);
-	memcpy(data, &ss, sizeof(ss));
-	data += sizeof(ss);
 
-	t = t1_sge_get_intr_counts(adapter->sge);
+	*data++ = s->TxOctetsOK;
+	*data++ = s->TxOctetsBad;
+	*data++ = s->TxUnicastFramesOK;
+	*data++ = s->TxMulticastFramesOK;
+	*data++ = s->TxBroadcastFramesOK;
+	*data++ = s->TxPauseFrames;
+	*data++ = s->TxFramesWithDeferredXmissions;
+	*data++ = s->TxLateCollisions;
+	*data++ = s->TxTotalCollisions;
+	*data++ = s->TxFramesAbortedDueToXSCollisions;
+	*data++ = s->TxUnderrun;
+	*data++ = s->TxLengthErrors;
+	*data++ = s->TxInternalMACXmitError;
+	*data++ = s->TxFramesWithExcessiveDeferral;
+	*data++ = s->TxFCSErrors;
+	*data++ = s->TxJumboFramesOK;
+	*data++ = s->TxJumboOctetsOK;
+
+	*data++ = s->RxOctetsOK;
+	*data++ = s->RxOctetsBad;
+	*data++ = s->RxUnicastFramesOK;
+	*data++ = s->RxMulticastFramesOK;
+	*data++ = s->RxBroadcastFramesOK;
+	*data++ = s->RxPauseFrames;
+	*data++ = s->RxFCSErrors;
+	*data++ = s->RxAlignErrors;
+	*data++ = s->RxSymbolErrors;
+	*data++ = s->RxDataErrors;
+	*data++ = s->RxSequenceErrors;
+	*data++ = s->RxRuntErrors;
+	*data++ = s->RxJabberErrors;
+	*data++ = s->RxInternalMACRcvError;
+	*data++ = s->RxInRangeLengthErrors;
+	*data++ = s->RxOutOfRangeLengthField;
+	*data++ = s->RxFrameTooLongErrors;
+	*data++ = s->RxJumboFramesOK;
+	*data++ = s->RxJumboOctetsOK;
+
+	*data++ = ss.rx_cso_good;
+	*data++ = ss.tx_cso;
+	*data++ = ss.tx_tso;
+	*data++ = ss.vlan_xtract;
+	*data++ = ss.vlan_insert;
+	*data++ = ss.tx_need_hdrroom;
+
 	*data++ = t->rx_drops;
 	*data++ = t->pure_rsps;
 	*data++ = t->unhandled_irqs;

drivers/net/chelsio/pm3393.c

@@ -45,7 +45,7 @@
 
 #include <linux/crc32.h>
 
-#define OFFSET(REG_ADDR)    (REG_ADDR << 2)
+#define OFFSET(REG_ADDR)    ((REG_ADDR) << 2)
 
 /* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */
 #define MAX_FRAME_SIZE  9600
@@ -428,69 +428,26 @@ static int pm3393_set_speed_duplex_fc(struct cmac *cmac, int speed, int duplex,
 	return 0;
 }
 
-static void pm3393_rmon_update(struct adapter *adapter, u32 offs, u64 *val,
-			       int over)
-{
-	u32 val0, val1, val2;
-
-	t1_tpi_read(adapter, offs, &val0);
-	t1_tpi_read(adapter, offs + 4, &val1);
-	t1_tpi_read(adapter, offs + 8, &val2);
-
-	*val &= ~0ull << 40;
-	*val |= val0 & 0xffff;
-	*val |= (val1 & 0xffff) << 16;
-	*val |= (u64)(val2 & 0xff) << 32;
-
-	if (over)
-		*val += 1ull << 40;
+#define RMON_UPDATE(mac, name, stat_name) \
+{ \
+	t1_tpi_read((mac)->adapter, OFFSET(name), &val0);     \
+	t1_tpi_read((mac)->adapter, OFFSET((name)+1), &val1); \
+	t1_tpi_read((mac)->adapter, OFFSET((name)+2), &val2); \
+	(mac)->stats.stat_name = (u64)(val0 & 0xffff) | \
+				 ((u64)(val1 & 0xffff) << 16) | \
+				 ((u64)(val2 & 0xff) << 32) | \
+				 ((mac)->stats.stat_name & \
+					0xffffff0000000000ULL); \
+	if (ro & \
+	    (1ULL << ((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2))) \
+		(mac)->stats.stat_name += 1ULL << 40; \
 }
 
 static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
 							      int flag)
 {
-	static struct {
-		unsigned int reg;
-		unsigned int offset;
-	} hw_stats [] = {
-
-#define HW_STAT(name, stat_name) \
-	{ name, (&((struct cmac_statistics *)NULL)->stat_name) - (u64 *)NULL }
-
-		/* Rx stats */
-		HW_STAT(RxOctetsReceivedOK, RxOctetsOK),
-		HW_STAT(RxUnicastFramesReceivedOK, RxUnicastFramesOK),
-		HW_STAT(RxMulticastFramesReceivedOK, RxMulticastFramesOK),
-		HW_STAT(RxBroadcastFramesReceivedOK, RxBroadcastFramesOK),
-		HW_STAT(RxPAUSEMACCtrlFramesReceived, RxPauseFrames),
-		HW_STAT(RxFrameCheckSequenceErrors, RxFCSErrors),
-		HW_STAT(RxFramesLostDueToInternalMACErrors,
-				RxInternalMACRcvError),
-		HW_STAT(RxSymbolErrors, RxSymbolErrors),
-		HW_STAT(RxInRangeLengthErrors, RxInRangeLengthErrors),
-		HW_STAT(RxFramesTooLongErrors , RxFrameTooLongErrors),
-		HW_STAT(RxJabbers, RxJabberErrors),
-		HW_STAT(RxFragments, RxRuntErrors),
-		HW_STAT(RxUndersizedFrames, RxRuntErrors),
-		HW_STAT(RxJumboFramesReceivedOK, RxJumboFramesOK),
-		HW_STAT(RxJumboOctetsReceivedOK, RxJumboOctetsOK),
-
-		/* Tx stats */
-		HW_STAT(TxOctetsTransmittedOK, TxOctetsOK),
-		HW_STAT(TxFramesLostDueToInternalMACTransmissionError,
-				TxInternalMACXmitError),
-		HW_STAT(TxTransmitSystemError, TxFCSErrors),
-		HW_STAT(TxUnicastFramesTransmittedOK, TxUnicastFramesOK),
-		HW_STAT(TxMulticastFramesTransmittedOK, TxMulticastFramesOK),
-		HW_STAT(TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK),
-		HW_STAT(TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames),
-		HW_STAT(TxJumboFramesReceivedOK, TxJumboFramesOK),
-		HW_STAT(TxJumboOctetsReceivedOK, TxJumboOctetsOK)
-	}, *p = hw_stats;
-	u64 ro;
-	u32 val0, val1, val2, val3;
-	u64 *stats = (u64 *) &mac->stats;
-	unsigned int i;
+	u64	ro;
+	u32	val0, val1, val2, val3;
 
 	/* Snap the counters */
 	pmwrite(mac, SUNI1x10GEXP_REG_MSTAT_CONTROL,
@@ -504,14 +461,35 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
 	ro = ((u64)val0 & 0xffff) | (((u64)val1 & 0xffff) << 16) |
 		(((u64)val2 & 0xffff) << 32) | (((u64)val3 & 0xffff) << 48);
 
-	for (i = 0; i < ARRAY_SIZE(hw_stats); i++) {
-		unsigned reg = p->reg - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW;
-
-		pm3393_rmon_update((mac)->adapter, OFFSET(p->reg),
-				   stats + p->offset, ro & (reg >> 2));
-	}
-
-
+	/* Rx stats */
+	RMON_UPDATE(mac, RxOctetsReceivedOK, RxOctetsOK);
+	RMON_UPDATE(mac, RxUnicastFramesReceivedOK, RxUnicastFramesOK);
+	RMON_UPDATE(mac, RxMulticastFramesReceivedOK, RxMulticastFramesOK);
+	RMON_UPDATE(mac, RxBroadcastFramesReceivedOK, RxBroadcastFramesOK);
+	RMON_UPDATE(mac, RxPAUSEMACCtrlFramesReceived, RxPauseFrames);
+	RMON_UPDATE(mac, RxFrameCheckSequenceErrors, RxFCSErrors);
+	RMON_UPDATE(mac, RxFramesLostDueToInternalMACErrors,
+				RxInternalMACRcvError);
+	RMON_UPDATE(mac, RxSymbolErrors, RxSymbolErrors);
+	RMON_UPDATE(mac, RxInRangeLengthErrors, RxInRangeLengthErrors);
+	RMON_UPDATE(mac, RxFramesTooLongErrors , RxFrameTooLongErrors);
+	RMON_UPDATE(mac, RxJabbers, RxJabberErrors);
+	RMON_UPDATE(mac, RxFragments, RxRuntErrors);
+	RMON_UPDATE(mac, RxUndersizedFrames, RxRuntErrors);
+	RMON_UPDATE(mac, RxJumboFramesReceivedOK, RxJumboFramesOK);
+	RMON_UPDATE(mac, RxJumboOctetsReceivedOK, RxJumboOctetsOK);
+
+	/* Tx stats */
+	RMON_UPDATE(mac, TxOctetsTransmittedOK, TxOctetsOK);
+	RMON_UPDATE(mac, TxFramesLostDueToInternalMACTransmissionError,
+				TxInternalMACXmitError);
+	RMON_UPDATE(mac, TxTransmitSystemError, TxFCSErrors);
+	RMON_UPDATE(mac, TxUnicastFramesTransmittedOK, TxUnicastFramesOK);
+	RMON_UPDATE(mac, TxMulticastFramesTransmittedOK, TxMulticastFramesOK);
+	RMON_UPDATE(mac, TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK);
+	RMON_UPDATE(mac, TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames);
+	RMON_UPDATE(mac, TxJumboFramesReceivedOK, TxJumboFramesOK);
+	RMON_UPDATE(mac, TxJumboOctetsReceivedOK, TxJumboOctetsOK);
 
 	return &mac->stats;
 }

drivers/net/chelsio/sge.c

@@ -986,11 +986,10 @@ void t1_sge_get_port_stats(const struct sge *sge, int port,
 	for_each_possible_cpu(cpu) {
 		struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[port], cpu);
 
-		ss->rx_packets += st->rx_packets;
 		ss->rx_cso_good += st->rx_cso_good;
-		ss->tx_packets += st->tx_packets;
 		ss->tx_cso += st->tx_cso;
 		ss->tx_tso += st->tx_tso;
+		ss->tx_need_hdrroom += st->tx_need_hdrroom;
 		ss->vlan_xtract += st->vlan_xtract;
 		ss->vlan_insert += st->vlan_insert;
 	}
@@ -1380,7 +1379,6 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len)
 	__skb_pull(skb, sizeof(*p));
 
 	st = per_cpu_ptr(sge->port_stats[p->iff], smp_processor_id());
-	st->rx_packets++;
 
 	skb->protocol = eth_type_trans(skb, adapter->port[p->iff].dev);
 	skb->dev->last_rx = jiffies;
@@ -1624,11 +1622,9 @@ int t1_poll(struct napi_struct *napi, int budget)
 {
 	struct adapter *adapter = container_of(napi, struct adapter, napi);
 	struct net_device *dev = adapter->port[0].dev;
-	int work_done;
-
-	work_done = process_responses(adapter, budget);
+	int work_done = process_responses(adapter, budget);
 
-	if (likely(!responses_pending(adapter))) {
+	if (likely(work_done < budget)) {
 		netif_rx_complete(dev, napi);
 		writel(adapter->sge->respQ.cidx,
 		       adapter->regs + A_SG_SLEEPING);
@@ -1848,14 +1844,27 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct adapter *adapter = dev->priv;
 	struct sge *sge = adapter->sge;
-	struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port], smp_processor_id());
+	struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port],
+						smp_processor_id());
 	struct cpl_tx_pkt *cpl;
 	struct sk_buff *orig_skb = skb;
 	int ret;
 
 	if (skb->protocol == htons(ETH_P_CPL5))
 		goto send;
 
+	/*
+	 * We are using a non-standard hard_header_len.
+	 * Allocate more header room in the rare cases it is not big enough.
+	 */
+	if (unlikely(skb_headroom(skb) < dev->hard_header_len - ETH_HLEN)) {
+		skb = skb_realloc_headroom(skb, sizeof(struct cpl_tx_pkt_lso));
+		++st->tx_need_hdrroom;
+		dev_kfree_skb_any(orig_skb);
+		if (!skb)
+			return NETDEV_TX_OK;
+	}
+
 	if (skb_shinfo(skb)->gso_size) {
 		int eth_type;
 		struct cpl_tx_pkt_lso *hdr;
@@ -1889,24 +1898,6 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			return NETDEV_TX_OK;
 		}
 
-		/*
-		 * We are using a non-standard hard_header_len and some kernel
-		 * components, such as pktgen, do not handle it right.
-		 * Complain when this happens but try to fix things up.
-		 */
-		if (unlikely(skb_headroom(skb) < dev->hard_header_len - ETH_HLEN)) {
-			pr_debug("%s: headroom %d header_len %d\n", dev->name,
-				 skb_headroom(skb), dev->hard_header_len);
-
-			if (net_ratelimit())
-				printk(KERN_ERR "%s: inadequate headroom in "
-				       "Tx packet\n", dev->name);
-			skb = skb_realloc_headroom(skb, sizeof(*cpl));
-			dev_kfree_skb_any(orig_skb);
-			if (!skb)
-				return NETDEV_TX_OK;
-		}
-
 		if (!(adapter->flags & UDP_CSUM_CAPABLE) &&
 		    skb->ip_summed == CHECKSUM_PARTIAL &&
 		    ip_hdr(skb)->protocol == IPPROTO_UDP) {
@@ -1952,7 +1943,6 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		cpl->vlan_valid = 0;
 
 send:
-	st->tx_packets++;
 	dev->trans_start = jiffies;
 	ret = t1_sge_tx(skb, adapter, 0, dev);