bnx2x: Update bnx2x to use new vlan accleration.

Make the bnx2x driver use the new vlan accleration model.

Signed-off-by: Hao Zheng <hzheng@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
CC: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x/bnx2x.h

@@ -24,10 +24,6 @@
 #define DRV_MODULE_RELDATE      "2010/10/19"
 #define BNX2X_BC_VER            0x040200
 
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
-#define BCM_VLAN			1
-#endif
-
 #define BNX2X_MULTI_QUEUE
 
 #define BNX2X_NEW_NAPI
@@ -858,10 +854,6 @@ struct bnx2x {
 
 	int			tx_ring_size;
 
-#ifdef BCM_VLAN
-	struct vlan_group	*vlgrp;
-#endif
-
 	u32			rx_csum;
 	u32			rx_buf_size;
 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
@@ -925,8 +917,6 @@ struct bnx2x {
 #define NO_MCP_FLAG			0x100
 #define DISABLE_MSI_FLAG		0x200
 #define BP_NOMCP(bp)			(bp->flags & NO_MCP_FLAG)
-#define HW_VLAN_TX_FLAG			0x400
-#define HW_VLAN_RX_FLAG			0x800
 #define MF_FUNC_DIS			0x1000
 
 	int			pf_num;	/* absolute PF number */

drivers/net/bnx2x/bnx2x_cmn.c

@@ -16,16 +16,13 @@
  */
 
 #include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
 #include <linux/ip.h>
 #include <net/ipv6.h>
 #include <net/ip6_checksum.h>
 #include <linux/firmware.h>
 #include "bnx2x_cmn.h"
 
-#ifdef BCM_VLAN
-#include <linux/if_vlan.h>
-#endif
-
 #include "bnx2x_init.h"
 
 
@@ -346,13 +343,6 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 	if (likely(new_skb)) {
 		/* fix ip xsum and give it to the stack */
 		/* (no need to map the new skb) */
-#ifdef BCM_VLAN
-		int is_vlan_cqe =
-			(le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
-			 PARSING_FLAGS_VLAN);
-		int is_not_hwaccel_vlan_cqe =
-			(is_vlan_cqe && (!(bp->flags & HW_VLAN_RX_FLAG)));
-#endif
 
 		prefetch(skb);
 		prefetch(((char *)(skb)) + L1_CACHE_BYTES);
@@ -377,28 +367,18 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 			struct iphdr *iph;
 
 			iph = (struct iphdr *)skb->data;
-#ifdef BCM_VLAN
-			/* If there is no Rx VLAN offloading -
-			   take VLAN tag into an account */
-			if (unlikely(is_not_hwaccel_vlan_cqe))
-				iph = (struct iphdr *)((u8 *)iph + VLAN_HLEN);
-#endif
 			iph->check = 0;
 			iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
 		}
 
 		if (!bnx2x_fill_frag_skb(bp, fp, skb,
 					 &cqe->fast_path_cqe, cqe_idx)) {
-#ifdef BCM_VLAN
-			if ((bp->vlgrp != NULL) &&
-				(le16_to_cpu(cqe->fast_path_cqe.
-				pars_flags.flags) & PARSING_FLAGS_VLAN))
-				vlan_gro_receive(&fp->napi, bp->vlgrp,
+			if ((le16_to_cpu(cqe->fast_path_cqe.
+			    pars_flags.flags) & PARSING_FLAGS_VLAN))
+				__vlan_hwaccel_put_tag(skb,
 						 le16_to_cpu(cqe->fast_path_cqe.
-							     vlan_tag), skb);
-			else
-#endif
-				napi_gro_receive(&fp->napi, skb);
+							     vlan_tag));
+			napi_gro_receive(&fp->napi, skb);
 		} else {
 			DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
 			   " - dropping packet!\n");
@@ -633,15 +613,11 @@ reuse_rx:
 
 		skb_record_rx_queue(skb, fp->index);
 
-#ifdef BCM_VLAN
-		if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) &&
-		    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
-		     PARSING_FLAGS_VLAN))
-			vlan_gro_receive(&fp->napi, bp->vlgrp,
-				le16_to_cpu(cqe->fast_path_cqe.vlan_tag), skb);
-		else
-#endif
-			napi_gro_receive(&fp->napi, skb);
+		if (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
+		     PARSING_FLAGS_VLAN)
+			__vlan_hwaccel_put_tag(skb,
+				le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
+		napi_gro_receive(&fp->napi, skb);
 
 
 next_rx:
@@ -2025,14 +2001,12 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	   "sending pkt %u @%p  next_idx %u  bd %u @%p\n",
 	   pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_start_bd);
 
-#ifdef BCM_VLAN
 	if (vlan_tx_tag_present(skb)) {
 		tx_start_bd->vlan_or_ethertype =
 		    cpu_to_le16(vlan_tx_tag_get(skb));
 		tx_start_bd->bd_flags.as_bitfield |=
 		    (X_ETH_OUTBAND_VLAN << ETH_TX_BD_FLAGS_VLAN_MODE_SHIFT);
 	} else
-#endif
 		tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
 
 	/* turn on parsing and get a BD */
@@ -2317,18 +2291,6 @@ void bnx2x_tx_timeout(struct net_device *dev)
 	schedule_delayed_work(&bp->reset_task, 0);
 }
 
-#ifdef BCM_VLAN
-/* called with rtnl_lock */
-void bnx2x_vlan_rx_register(struct net_device *dev,
-				   struct vlan_group *vlgrp)
-{
-	struct bnx2x *bp = netdev_priv(dev);
-
-	bp->vlgrp = vlgrp;
-}
-
-#endif
-
 int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);

drivers/net/bnx2x/bnx2x_ethtool.c

@@ -1117,35 +1117,34 @@ static int bnx2x_set_flags(struct net_device *dev, u32 data)
 	int changed = 0;
 	int rc = 0;
 
-	if (data & ~(ETH_FLAG_LRO | ETH_FLAG_RXHASH))
-		return -EINVAL;
-
 	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
 		printk(KERN_ERR "Handling parity error recovery. Try again later\n");
 		return -EAGAIN;
 	}
 
+	if (!(data & ETH_FLAG_RXVLAN))
+		return -EOPNOTSUPP;
+
+	if ((data & ETH_FLAG_LRO) && bp->rx_csum && bp->disable_tpa)
+		return -EINVAL;
+
+	rc = ethtool_op_set_flags(dev, data, ETH_FLAG_LRO | ETH_FLAG_RXVLAN |
+					ETH_FLAG_TXVLAN | ETH_FLAG_RXHASH);
+	if (rc)
+		return rc;
+
 	/* TPA requires Rx CSUM offloading */
 	if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
-		if (!bp->disable_tpa) {
-			if (!(dev->features & NETIF_F_LRO)) {
-				dev->features |= NETIF_F_LRO;
-				bp->flags |= TPA_ENABLE_FLAG;
-				changed = 1;
-			}
-		} else
-			rc = -EINVAL;
-	} else if (dev->features & NETIF_F_LRO) {
+		if (!(bp->flags & TPA_ENABLE_FLAG)) {
+			bp->flags |= TPA_ENABLE_FLAG;
+			changed = 1;
+		}
+	} else if (bp->flags & TPA_ENABLE_FLAG) {
 		dev->features &= ~NETIF_F_LRO;
 		bp->flags &= ~TPA_ENABLE_FLAG;
 		changed = 1;
 	}
 
-	if (data & ETH_FLAG_RXHASH)
-		dev->features |= NETIF_F_RXHASH;
-	else
-		dev->features &= ~NETIF_F_RXHASH;
-
 	if (changed && netif_running(dev)) {
 		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
 		rc = bnx2x_nic_load(bp, LOAD_NORMAL);

drivers/net/bnx2x/bnx2x_main.c

@@ -2371,10 +2371,8 @@ static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
 	flags |= QUEUE_FLG_HC;
 	flags |= IS_MF(bp) ? QUEUE_FLG_OV : 0;
 
-#ifdef BCM_VLAN
 	flags |= QUEUE_FLG_VLAN;
 	DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
-#endif
 
 	if (!fp->disable_tpa)
 		flags |= QUEUE_FLG_TPA;
@@ -8630,9 +8628,6 @@ static const struct net_device_ops bnx2x_netdev_ops = {
 	.ndo_do_ioctl		= bnx2x_ioctl,
 	.ndo_change_mtu		= bnx2x_change_mtu,
 	.ndo_tx_timeout		= bnx2x_tx_timeout,
-#ifdef BCM_VLAN
-	.ndo_vlan_rx_register	= bnx2x_vlan_rx_register,
-#endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller	= poll_bnx2x,
 #endif
@@ -8764,9 +8759,7 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
 		dev->features |= NETIF_F_HIGHDMA;
 	dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
 	dev->features |= NETIF_F_TSO6;
-#ifdef BCM_VLAN
 	dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
-	bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
 
 	dev->vlan_features |= NETIF_F_SG;
 	dev->vlan_features |= NETIF_F_HW_CSUM;
@@ -8774,7 +8767,6 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
 		dev->vlan_features |= NETIF_F_HIGHDMA;
 	dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
 	dev->vlan_features |= NETIF_F_TSO6;
-#endif
 
 	/* get_port_hwinfo() will set prtad and mmds properly */
 	bp->mdio.prtad = MDIO_PRTAD_NONE;