Merge branch 'davem-next' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

42 files changed, 1738 insertions, 2692 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 4675c1bd6fb..9490cb17233 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1694,26 +1694,6 @@ config VIA_RHINE_MMIO
 
 	  If unsure, say Y.
 
-config VIA_RHINE_NAPI
-	bool "Use Rx Polling (NAPI)"
-	depends on VIA_RHINE
-	help
-	  NAPI is a new driver API designed to reduce CPU and interrupt load
-	  when the driver is receiving lots of packets from the card.
-
-	  If your estimated Rx load is 10kpps or more, or if the card will be
-	  deployed on potentially unfriendly networks (e.g. in a firewall),
-	  then say Y here.
-
-config LAN_SAA9730
-	bool "Philips SAA9730 Ethernet support"
-	depends on NET_PCI && PCI && MIPS_ATLAS
-	help
-	  The SAA9730 is a combined multimedia and peripheral controller used
-	  in thin clients, Internet access terminals, and diskless
-	  workstations.
-	  See <http://www.semiconductors.philips.com/pip/SAA9730_flyer_1>.
-
 config SC92031
 	tristate "Silan SC92031 PCI Fast Ethernet Adapter driver (EXPERIMENTAL)"
 	depends on NET_PCI && PCI && EXPERIMENTAL
@@ -2029,6 +2009,15 @@ config IGB
          To compile this driver as a module, choose M here. The module
          will be called igb.
 
+config IGB_LRO 
+	bool "Use software LRO"
+	depends on IGB && INET
+	select INET_LRO
+	---help---
+	  Say Y here if you want to use large receive offload. 
+
+	  If in doubt, say N.
+
 source "drivers/net/ixp2000/Kconfig"
 
 config MYRI_SBUS
@@ -2273,10 +2262,6 @@ config GIANFAR
 	  This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
 	  and MPC86xx family of chips, and the FEC on the 8540.
 
-config GFAR_NAPI
-	bool "Use Rx Polling (NAPI)"
-	depends on GIANFAR
-
 config UCC_GETH
 	tristate "Freescale QE Gigabit Ethernet"
 	depends on QUICC_ENGINE
@@ -2285,10 +2270,6 @@ config UCC_GETH
 	  This driver supports the Gigabit Ethernet mode of the QUICC Engine,
 	  which is available on some Freescale SOCs.
 
-config UGETH_NAPI
-	bool "Use Rx Polling (NAPI)"
-	depends on UCC_GETH
-
 config UGETH_MAGIC_PACKET
 	bool "Magic Packet detection support"
 	depends on UCC_GETH
@@ -2378,14 +2359,6 @@ config CHELSIO_T1_1G
           Enables support for Chelsio's gigabit Ethernet PCI cards.  If you
           are using only 10G cards say 'N' here.
 
-config CHELSIO_T1_NAPI
-	bool "Use Rx Polling (NAPI)"
-	depends on CHELSIO_T1
-	default y
-	help
-	  NAPI is a driver API designed to reduce CPU and interrupt load
-	  when the driver is receiving lots of packets from the card.
-
 config CHELSIO_T3
 	tristate "Chelsio Communications T3 10Gb Ethernet support"
 	depends on PCI && INET
@@ -2457,20 +2430,6 @@ config IXGB
 	  To compile this driver as a module, choose M here. The module
 	  will be called ixgb.
 
-config IXGB_NAPI
-	bool "Use Rx Polling (NAPI) (EXPERIMENTAL)"
-	depends on IXGB && EXPERIMENTAL
-	help
-	  NAPI is a new driver API designed to reduce CPU and interrupt load
-	  when the driver is receiving lots of packets from the card. It is
-	  still somewhat experimental and thus not yet enabled by default.
-
-	  If your estimated Rx load is 10kpps or more, or if the card will be
-	  deployed on potentially unfriendly networks (e.g. in a firewall),
-	  then say Y here.
-
-	  If in doubt, say N.
-
 config S2IO
 	tristate "S2IO 10Gbe XFrame NIC"
 	depends on PCI
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 4beb043e09e..3292d0af59c 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -166,7 +166,6 @@ obj-$(CONFIG_EEXPRESS_PRO) += eepro.o
 obj-$(CONFIG_8139CP) += 8139cp.o
 obj-$(CONFIG_8139TOO) += 8139too.o
 obj-$(CONFIG_ZNET) += znet.o
-obj-$(CONFIG_LAN_SAA9730) += saa9730.o
 obj-$(CONFIG_CPMAC) += cpmac.o
 obj-$(CONFIG_DEPCA) += depca.o
 obj-$(CONFIG_EWRK3) += ewrk3.o
diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index a509337eab2..638c9a27a7a 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -1153,9 +1153,7 @@ static int __devinit init_one(struct pci_dev *pdev,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 		netdev->poll_controller = t1_netpoll;
 #endif
-#ifdef CONFIG_CHELSIO_T1_NAPI
 		netif_napi_add(netdev, &adapter->napi, t1_poll, 64);
-#endif
 
 		SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops);
 	}
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 8a7efd38e95..d6c7d2aa761 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -1396,20 +1396,10 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len)
 
 	if (unlikely(adapter->vlan_grp && p->vlan_valid)) {
 		st->vlan_xtract++;
-#ifdef CONFIG_CHELSIO_T1_NAPI
-			vlan_hwaccel_receive_skb(skb, adapter->vlan_grp,
-						 ntohs(p->vlan));
-#else
-			vlan_hwaccel_rx(skb, adapter->vlan_grp,
-					ntohs(p->vlan));
-#endif
-	} else {
-#ifdef CONFIG_CHELSIO_T1_NAPI
+		vlan_hwaccel_receive_skb(skb, adapter->vlan_grp,
+					 ntohs(p->vlan));
+	} else
 		netif_receive_skb(skb);
-#else
-		netif_rx(skb);
-#endif
-	}
 }
 
 /*
@@ -1568,7 +1558,6 @@ static inline int responses_pending(const struct adapter *adapter)
 	return (e->GenerationBit == Q->genbit);
 }
 
-#ifdef CONFIG_CHELSIO_T1_NAPI
 /*
  * A simpler version of process_responses() that handles only pure (i.e.,
  * non data-carrying) responses.  Such respones are too light-weight to justify
@@ -1636,9 +1625,6 @@ int t1_poll(struct napi_struct *napi, int budget)
 	return work_done;
 }
 
-/*
- * NAPI version of the main interrupt handler.
- */
 irqreturn_t t1_interrupt(int irq, void *data)
 {
 	struct adapter *adapter = data;
@@ -1656,7 +1642,8 @@ irqreturn_t t1_interrupt(int irq, void *data)
 			else {
 				/* no data, no NAPI needed */
 				writel(sge->respQ.cidx, adapter->regs + A_SG_SLEEPING);
-				napi_enable(&adapter->napi);	/* undo schedule_prep */
+				/* undo schedule_prep */
+				napi_enable(&adapter->napi);
 			}
 		}
 		return IRQ_HANDLED;
@@ -1672,53 +1659,6 @@ irqreturn_t t1_interrupt(int irq, void *data)
 	return IRQ_RETVAL(handled != 0);
 }
 
-#else
-/*
- * Main interrupt handler, optimized assuming that we took a 'DATA'
- * interrupt.
- *
- * 1. Clear the interrupt
- * 2. Loop while we find valid descriptors and process them; accumulate
- *      information that can be processed after the loop
- * 3. Tell the SGE at which index we stopped processing descriptors
- * 4. Bookkeeping; free TX buffers, ring doorbell if there are any
- *      outstanding TX buffers waiting, replenish RX buffers, potentially
- *      reenable upper layers if they were turned off due to lack of TX
- *      resources which are available again.
- * 5. If we took an interrupt, but no valid respQ descriptors was found we
- *      let the slow_intr_handler run and do error handling.
- */
-irqreturn_t t1_interrupt(int irq, void *cookie)
-{
-	int work_done;
-	struct adapter *adapter = cookie;
-	struct respQ *Q = &adapter->sge->respQ;
-
-	spin_lock(&adapter->async_lock);
-
-	writel(F_PL_INTR_SGE_DATA, adapter->regs + A_PL_CAUSE);
-
-	if (likely(responses_pending(adapter)))
-		work_done = process_responses(adapter, -1);
-	else
-		work_done = t1_slow_intr_handler(adapter);
-
-	/*
-	 * The unconditional clearing of the PL_CAUSE above may have raced
-	 * with DMA completion and the corresponding generation of a response
-	 * to cause us to miss the resulting data interrupt.  The next write
-	 * is also unconditional to recover the missed interrupt and render
-	 * this race harmless.
-	 */
-	writel(Q->cidx, adapter->regs + A_SG_SLEEPING);
-
-	if (!work_done)
-		adapter->sge->stats.unhandled_irqs++;
-	spin_unlock(&adapter->async_lock);
-	return IRQ_RETVAL(work_done != 0);
-}
-#endif
-
 /*
  * Enqueues the sk_buff onto the cmdQ[qid] and has hardware fetch it.
  *
diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h
index 6c4f3206691..d38e6cc9266 100644
--- a/drivers/net/cxgb3/cxgb3_ctl_defs.h
+++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h
@@ -110,10 +110,7 @@ struct ulp_iscsi_info {
 	unsigned int llimit;
 	unsigned int ulimit;
 	unsigned int tagmask;
-	unsigned int pgsz3;
-	unsigned int pgsz2;
-	unsigned int pgsz1;
-	unsigned int pgsz0;
+	u8 pgsz_factor[4];
 	unsigned int max_rxsz;
 	unsigned int max_txsz;
 	struct pci_dev *pdev;
diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index ae6ff5df779..c69f4c0187d 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -207,6 +207,17 @@ static int cxgb_ulp_iscsi_ctl(struct adapter *adapter, unsigned int req,
 		break;
 	case ULP_ISCSI_SET_PARAMS:
 		t3_write_reg(adapter, A_ULPRX_ISCSI_TAGMASK, uiip->tagmask);
+		/* set MaxRxData and MaxCoalesceSize to 16224 */
+		t3_write_reg(adapter, A_TP_PARA_REG2, 0x3f603f60);
+		/* program the ddp page sizes */
+		{
+			int i;
+			unsigned int val = 0;
+			for (i = 0; i < 4; i++)
+				val |= (uiip->pgsz_factor[i] & 0xF) << (8 * i);
+			if (val)
+				t3_write_reg(adapter, A_ULPRX_ISCSI_PSZ, val);
+		}
 		break;
 	default:
 		ret = -EOPNOTSUPP;
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index 56717887934..4bda27c551c 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -1517,16 +1517,18 @@
 
 #define A_ULPRX_ISCSI_TAGMASK 0x514
 
-#define S_HPZ0    0
-#define M_HPZ0    0xf
-#define V_HPZ0(x) ((x) << S_HPZ0)
-#define G_HPZ0(x) (((x) >> S_HPZ0) & M_HPZ0)
+#define A_ULPRX_ISCSI_PSZ 0x518
 
 #define A_ULPRX_TDDP_LLIMIT 0x51c
 
 #define A_ULPRX_TDDP_ULIMIT 0x520
 #define A_ULPRX_TDDP_PSZ 0x528
 
+#define S_HPZ0    0
+#define M_HPZ0    0xf
+#define V_HPZ0(x) ((x) << S_HPZ0)
+#define G_HPZ0(x) (((x) >> S_HPZ0) & M_HPZ0)
+
 #define A_ULPRX_STAG_LLIMIT 0x52c
 
 #define A_ULPRX_STAG_ULIMIT 0x530
diff --git a/drivers/net/cxgb3/t3_cpl.h b/drivers/net/cxgb3/t3_cpl.h
index a666c5d51cc..917970ed24a 100644
--- a/drivers/net/cxgb3/t3_cpl.h
+++ b/drivers/net/cxgb3/t3_cpl.h
@@ -191,6 +191,9 @@ union opcode_tid {
 #define G_OPCODE(x) (((x) >> S_OPCODE) & 0xFF)
 #define G_TID(x)    ((x) & 0xFFFFFF)
 
+#define S_QNUM 0
+#define G_QNUM(x) (((x) >> S_QNUM) & 0xFFFF)
+
 #define S_HASHTYPE 22
 #define M_HASHTYPE 0x3
 #define G_HASHTYPE(x) (((x) >> S_HASHTYPE) & M_HASHTYPE)
@@ -779,6 +782,12 @@ struct tx_data_wr {
 	__be32 param;
 };
 
+/* tx_data_wr.flags fields */
+#define S_TX_ACK_PAGES	21
+#define M_TX_ACK_PAGES	0x7
+#define V_TX_ACK_PAGES(x) ((x) << S_TX_ACK_PAGES)
+#define G_TX_ACK_PAGES(x) (((x) >> S_TX_ACK_PAGES) & M_TX_ACK_PAGES)
+
 /* tx_data_wr.param fields */
 #define S_TX_PORT    0
 #define M_TX_PORT    0x7
@@ -1452,4 +1461,35 @@ struct cpl_rdma_terminate {
 #define M_TERM_TID    0xFFFFF
 #define V_TERM_TID(x) ((x) << S_TERM_TID)
 #define G_TERM_TID(x) (((x) >> S_TERM_TID) & M_TERM_TID)
+
+/* ULP_TX opcodes */
+enum { ULP_MEM_READ = 2, ULP_MEM_WRITE = 3, ULP_TXPKT = 4 };
+
+#define S_ULPTX_CMD	28
+#define M_ULPTX_CMD	0xF
+#define V_ULPTX_CMD(x)	((x) << S_ULPTX_CMD)
+
+#define S_ULPTX_NFLITS	0
+#define M_ULPTX_NFLITS	0xFF
+#define V_ULPTX_NFLITS(x) ((x) << S_ULPTX_NFLITS)
+
+struct ulp_mem_io {
+	WR_HDR;
+	__be32 cmd_lock_addr;
+	__be32 len;
+};
+
+/* ulp_mem_io.cmd_lock_addr fields */
+#define S_ULP_MEMIO_ADDR	0
+#define M_ULP_MEMIO_ADDR	0x7FFFFFF
+#define V_ULP_MEMIO_ADDR(x)	((x) << S_ULP_MEMIO_ADDR)
+#define S_ULP_MEMIO_LOCK	27
+#define V_ULP_MEMIO_LOCK(x)	((x) << S_ULP_MEMIO_LOCK)
+#define F_ULP_MEMIO_LOCK	V_ULP_MEMIO_LOCK(1U)
+
+/* ulp_mem_io.len fields */
+#define S_ULP_MEMIO_DATA_LEN	28
+#define M_ULP_MEMIO_DATA_LEN	0xF
+#define V_ULP_MEMIO_DATA_LEN(x)	((x) << S_ULP_MEMIO_DATA_LEN)
+
 #endif				/* T3_CPL_H */
diff --git a/drivers/net/cxgb3/t3cdev.h b/drivers/net/cxgb3/t3cdev.h
index 8556628fd5a..0a21cfbd2b2 100644
--- a/drivers/net/cxgb3/t3cdev.h
+++ b/drivers/net/cxgb3/t3cdev.h
@@ -64,6 +64,7 @@ struct t3cdev {
 	void *l3opt;		/* optional layer 3 data */
 	void *l4opt;		/* optional layer 4 data */
 	void *ulp;		/* ulp stuff */
+	void *ulp_iscsi;	/* ulp iscsi */
 };
 
 #endif				/* _T3CDEV_H_ */
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 393a0f17530..fa78d687012 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -44,8 +44,7 @@
  *  happen immediately, but will wait until either a set number
  *  of frames or amount of time have passed).  In NAPI, the
  *  interrupt handler will signal there is work to be done, and
- *  exit.  Without NAPI, the packet(s) will be handled
- *  immediately.  Both methods will start at the last known empty
+ *  exit. This method will start at the last known empty
  *  descriptor, and process every subsequent descriptor until there
  *  are none left with data (NAPI will stop after a set number of
  *  packets to give time to other tasks, but will eventually
@@ -101,12 +100,6 @@
 #undef BRIEF_GFAR_ERRORS
 #undef VERBOSE_GFAR_ERRORS
 
-#ifdef CONFIG_GFAR_NAPI
-#define RECEIVE(x) netif_receive_skb(x)
-#else
-#define RECEIVE(x) netif_rx(x)
-#endif
-
 const char gfar_driver_name[] = "Gianfar Ethernet";
 const char gfar_driver_version[] = "1.3";
 
@@ -131,9 +124,7 @@ static void free_skb_resources(struct gfar_private *priv);
 static void gfar_set_multi(struct net_device *dev);
 static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr);
 static void gfar_configure_serdes(struct net_device *dev);
-#ifdef CONFIG_GFAR_NAPI
 static int gfar_poll(struct napi_struct *napi, int budget);
-#endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void gfar_netpoll(struct net_device *dev);
 #endif
@@ -260,9 +251,7 @@ static int gfar_probe(struct platform_device *pdev)
 	dev->hard_start_xmit = gfar_start_xmit;
 	dev->tx_timeout = gfar_timeout;
 	dev->watchdog_timeo = TX_TIMEOUT;
-#ifdef CONFIG_GFAR_NAPI
 	netif_napi_add(dev, &priv->napi, gfar_poll, GFAR_DEV_WEIGHT);
-#endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	dev->poll_controller = gfar_netpoll;
 #endif
@@ -363,11 +352,7 @@ static int gfar_probe(struct platform_device *pdev)
 
 	/* Even more device info helps when determining which kernel */
 	/* provided which set of benchmarks. */
-#ifdef CONFIG_GFAR_NAPI
 	printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name);
-#else
-	printk(KERN_INFO "%s: Running with NAPI disabled\n", dev->name);
-#endif
 	printk(KERN_INFO "%s: %d/%d RX/TX BD ring size\n",
 	       dev->name, priv->rx_ring_size, priv->tx_ring_size);
 
@@ -945,14 +930,10 @@ tx_skb_fail:
 /* Returns 0 for success. */
 static int gfar_enet_open(struct net_device *dev)
 {
-#ifdef CONFIG_GFAR_NAPI
 	struct gfar_private *priv = netdev_priv(dev);
-#endif
 	int err;
 
-#ifdef CONFIG_GFAR_NAPI
 	napi_enable(&priv->napi);
-#endif
 
 	/* Initialize a bunch of registers */
 	init_registers(dev);
@@ -962,17 +943,13 @@ static int gfar_enet_open(struct net_device *dev)
 	err = init_phy(dev);
 
 	if(err) {
-#ifdef CONFIG_GFAR_NAPI
 		napi_disable(&priv->napi);
-#endif
 		return err;
 	}
 
 	err = startup_gfar(dev);
 	if (err) {
-#ifdef CONFIG_GFAR_NAPI
 		napi_disable(&priv->napi);
-#endif
 		return err;
 	}
 
@@ -1128,9 +1105,7 @@ static int gfar_close(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 
-#ifdef CONFIG_GFAR_NAPI
 	napi_disable(&priv->napi);
-#endif
 
 	stop_gfar(dev);
 
@@ -1427,14 +1402,9 @@ irqreturn_t gfar_receive(int irq, void *dev_id)
 {
 	struct net_device *dev = (struct net_device *) dev_id;
 	struct gfar_private *priv = netdev_priv(dev);
-#ifdef CONFIG_GFAR_NAPI
 	u32 tempval;
-#else
-	unsigned long flags;
-#endif
 
 	/* support NAPI */
-#ifdef CONFIG_GFAR_NAPI
 	/* Clear IEVENT, so interrupts aren't called again
 	 * because of the packets that have already arrived */
 	gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK);
@@ -1451,38 +1421,10 @@ irqreturn_t gfar_receive(int irq, void *dev_id)
 				dev->name, gfar_read(&priv->regs->ievent),
 				gfar_read(&priv->regs->imask));
 	}
-#else
-	/* Clear IEVENT, so rx interrupt isn't called again
-	 * because of this interrupt */
-	gfar_write(&priv->regs->ievent, IEVENT_RX_MASK);
-
-	spin_lock_irqsave(&priv->rxlock, flags);
-	gfar_clean_rx_ring(dev, priv->rx_ring_size);
-
-	/* If we are coalescing interrupts, update the timer */
-	/* Otherwise, clear it */
-	if (likely(priv->rxcoalescing)) {
-		gfar_write(&priv->regs->rxic, 0);
-		gfar_write(&priv->regs->rxic,
-			   mk_ic_value(priv->rxcount, priv->rxtime));
-	}
-
-	spin_unlock_irqrestore(&priv->rxlock, flags);
-#endif
 
 	return IRQ_HANDLED;
 }
 
-static inline int gfar_rx_vlan(struct sk_buff *skb,
-		struct vlan_group *vlgrp, unsigned short vlctl)
-{
-#ifdef CONFIG_GFAR_NAPI
-	return vlan_hwaccel_receive_skb(skb, vlgrp, vlctl);
-#else
-	return vlan_hwaccel_rx(skb, vlgrp, vlctl);
-#endif
-}
-
 static inline void gfar_rx_checksum(struct sk_buff *skb, struct rxfcb *fcb)
 {
 	/* If valid headers were found, and valid sums
@@ -1539,10 +1481,11 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
 		skb->protocol = eth_type_trans(skb, dev);
 
 		/* Send the packet up the stack */
-		if (unlikely(priv->vlgrp && (fcb->flags & RXFCB_VLN)))
-			ret = gfar_rx_vlan(skb, priv->vlgrp, fcb->vlctl);
-		else
-			ret = RECEIVE(skb);
+		if (unlikely(priv->vlgrp && (fcb->flags & RXFCB_VLN))) {
+			ret = vlan_hwaccel_receive_skb(skb, priv->vlgrp,
+						       fcb->vlctl);
+		} else
+			ret = netif_receive_skb(skb);
 
 		if (NET_RX_DROP == ret)
 			priv->extra_stats.kernel_dropped++;
@@ -1629,7 +1572,6 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
 	return howmany;
 }
 
-#ifdef CONFIG_GFAR_NAPI
 static int gfar_poll(struct napi_struct *napi, int budget)
 {
 	struct gfar_private *priv = container_of(napi, struct gfar_private, napi);
@@ -1664,7 +1606,6 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 
 	return howmany;
 }
-#endif
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
 /*
@@ -2003,11 +1944,6 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
 
 		gfar_receive(irq, dev_id);
 
-#ifndef CONFIG_GFAR_NAPI
-		/* Clear the halt bit in RSTAT */
-		gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT);
-#endif
-
 		if (netif_msg_rx_err(priv))
 			printk(KERN_DEBUG "%s: busy error (rstat: %x)\n",
 			       dev->name, gfar_read(&priv->regs->rstat));
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 27f37c81e52..bead71cb2b1 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -77,13 +77,8 @@ extern const char gfar_driver_name[];
 extern const char gfar_driver_version[];
 
 /* These need to be powers of 2 for this driver */
-#ifdef CONFIG_GFAR_NAPI
 #define DEFAULT_TX_RING_SIZE	256
 #define DEFAULT_RX_RING_SIZE	256
-#else
-#define DEFAULT_TX_RING_SIZE    64
-#define DEFAULT_RX_RING_SIZE    64
-#endif
 
 #define GFAR_RX_MAX_RING_SIZE   256
 #define GFAR_TX_MAX_RING_SIZE   256
@@ -128,14 +123,8 @@ extern const char gfar_driver_version[];
 
 #define DEFAULT_RXTIME	21
 
-/* Non NAPI Case */
-#ifndef CONFIG_GFAR_NAPI
-#define DEFAULT_RX_COALESCE 1
-#define DEFAULT_RXCOUNT	16
-#else
 #define DEFAULT_RX_COALESCE 0
 #define DEFAULT_RXCOUNT	0
-#endif /* CONFIG_GFAR_NAPI */
 
 #define MIIMCFG_INIT_VALUE	0x00000007
 #define MIIMCFG_RESET           0x80000000
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 2c8b91060d9..e098f234770 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -31,6 +31,7 @@
 
 #include <linux/types.h>
 #include <linux/slab.h>
+#include <linux/if_ether.h>
 
 #include "e1000_mac.h"
 #include "e1000_82575.h"
@@ -45,7 +46,6 @@ static s32  igb_get_cfg_done_82575(struct e1000_hw *);
 static s32  igb_init_hw_82575(struct e1000_hw *);
 static s32  igb_phy_hw_reset_sgmii_82575(struct e1000_hw *);
 static s32  igb_read_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16 *);
-static void igb_rar_set_82575(struct e1000_hw *, u8 *, u32);
 static s32  igb_reset_hw_82575(struct e1000_hw *);
 static s32  igb_set_d0_lplu_state_82575(struct e1000_hw *, bool);
 static s32  igb_setup_copper_link_82575(struct e1000_hw *);
@@ -84,6 +84,12 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_82575GB_QUAD_COPPER:
 		mac->type = e1000_82575;
 		break;
+	case E1000_DEV_ID_82576:
+	case E1000_DEV_ID_82576_FIBER:
+	case E1000_DEV_ID_82576_SERDES:
+	case E1000_DEV_ID_82576_QUAD_COPPER:
+		mac->type = e1000_82576;
+		break;
 	default:
 		return -E1000_ERR_MAC_INIT;
 		break;
@@ -128,6 +134,8 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	mac->mta_reg_count = 128;
 	/* Set rar entry count */
 	mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
+	if (mac->type == e1000_82576)
+		mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
 	/* Set if part includes ASF firmware */
 	mac->asf_firmware_present = true;
 	/* Set if manageability features are enabled. */
@@ -694,13 +702,12 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
 	if ((hw->phy.media_type != e1000_media_type_copper) ||
 	    (igb_sgmii_active_82575(hw)))
 		ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed,
-							       &duplex);
+		                                             &duplex);
 	else
 		ret_val = igb_check_for_copper_link(hw);
 
 	return ret_val;
 }
-
 /**
  *  igb_get_pcs_speed_and_duplex_82575 - Retrieve current speed/duplex
  *  @hw: pointer to the HW structure
@@ -757,18 +764,129 @@ static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
 }
 
 /**
- *  igb_rar_set_82575 - Set receive address register
+ *  igb_init_rx_addrs_82575 - Initialize receive address's
+ *  @hw: pointer to the HW structure
+ *  @rar_count: receive address registers
+ *
+ *  Setups the receive address registers by setting the base receive address
+ *  register to the devices MAC address and clearing all the other receive
+ *  address registers to 0.
+ **/
+static void igb_init_rx_addrs_82575(struct e1000_hw *hw, u16 rar_count)
+{
+	u32 i;
+	u8 addr[6] = {0,0,0,0,0,0};
+	/*
+	 * This function is essentially the same as that of
+	 * e1000_init_rx_addrs_generic. However it also takes care
+	 * of the special case where the register offset of the
+	 * second set of RARs begins elsewhere. This is implicitly taken care by
+	 * function e1000_rar_set_generic.
+	 */
+
+	hw_dbg("e1000_init_rx_addrs_82575");
+
+	/* Setup the receive address */
+	hw_dbg("Programming MAC Address into RAR[0]\n");
+	hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
+
+	/* Zero out the other (rar_entry_count - 1) receive addresses */
+	hw_dbg("Clearing RAR[1-%u]\n", rar_count-1);
+	for (i = 1; i < rar_count; i++)
+	    hw->mac.ops.rar_set(hw, addr, i);
+}
+
+/**
+ *  igb_update_mc_addr_list_82575 - Update Multicast addresses
+ *  @hw: pointer to the HW structure
+ *  @mc_addr_list: array of multicast addresses to program
+ *  @mc_addr_count: number of multicast addresses to program
+ *  @rar_used_count: the first RAR register free to program
+ *  @rar_count: total number of supported Receive Address Registers
+ *
+ *  Updates the Receive Address Registers and Multicast Table Array.
+ *  The caller must have a packed mc_addr_list of multicast addresses.
+ *  The parameter rar_count will usually be hw->mac.rar_entry_count
+ *  unless there are workarounds that change this.
+ **/
+void igb_upda