Merge branch 'davem-next' of master.kernel.org:/pub/scm/linux/kernel/…

…git/jgarzik/netdev-2.6

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

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

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);
 	}

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.
  *

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;

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;

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

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 */

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_ */