X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2F8021q%2Fvlan_dev.c;h=55be90826f5fd1317f961b9fbabb3f3b989f380e;hb=2d6c9ffcca7808f42ba6b953da0ba60e19a9cbbd;hp=96bad8f233e2494b958fd3f88b8634c2693af313;hpb=ccffad25b5136958d4769ed6de5e87992dd9c65c;p=safe%2Fjmp%2Flinux-2.6

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 96bad8f..55be908 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -21,6 +21,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -140,7 +141,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		  struct packet_type *ptype, struct net_device *orig_dev)
 {
 	struct vlan_hdr *vhdr;
-	struct net_device_stats *stats;
+	struct vlan_rx_stats *rx_stats;
 	u16 vlan_id;
 	u16 vlan_tci;
 
@@ -163,9 +164,10 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		goto err_unlock;
 	}
 
-	stats = &skb->dev->stats;
-	stats->rx_packets++;
-	stats->rx_bytes += skb->len;
+	rx_stats = per_cpu_ptr(vlan_dev_info(skb->dev)->vlan_rx_stats,
+			       smp_processor_id());
+	rx_stats->rx_packets++;
+	rx_stats->rx_bytes += skb->len;
 
 	skb_pull_rcsum(skb, VLAN_HLEN);
 
@@ -180,7 +182,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		break;
 
 	case PACKET_MULTICAST:
-		stats->multicast++;
+		rx_stats->multicast++;
 		break;
 
 	case PACKET_OTHERHOST:
@@ -200,7 +202,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 
 	skb = vlan_check_reorder_header(skb);
 	if (!skb) {
-		stats->rx_errors++;
+		rx_stats->rx_errors++;
 		goto err_unlock;
 	}
 
@@ -262,11 +264,10 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
 		vhdr->h_vlan_TCI = htons(vlan_tci);
 
 		/*
-		 *  Set the protocol type. For a packet of type ETH_P_802_3 we
-		 *  put the length in here instead. It is up to the 802.2
-		 *  layer to carry protocol information.
+		 *  Set the protocol type. For a packet of type ETH_P_802_3/2 we
+		 *  put the length in here instead.
 		 */
-		if (type != ETH_P_802_3)
+		if (type != ETH_P_802_3 && type != ETH_P_802_2)
 			vhdr->h_vlan_encapsulated_proto = htons(type);
 		else
 			vhdr->h_vlan_encapsulated_proto = htons(len);
@@ -288,10 +289,14 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
 	return rc;
 }
 
-static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
+					    struct net_device *dev)
 {
-	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
+	int i = skb_get_queue_mapping(skb);
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
 	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
+	unsigned int len;
+	int ret;
 
 	/* Handle non-VLAN frames if they are sent to us, for example by DHCP.
 	 *
@@ -317,30 +322,52 @@ static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			vlan_dev_info(dev)->cnt_inc_headroom_on_tx++;
 	}
 
-	txq->tx_packets++;
-	txq->tx_bytes += skb->len;
 
-	skb->dev = vlan_dev_info(dev)->real_dev;
-	dev_queue_xmit(skb);
-	return NETDEV_TX_OK;
+	skb_set_dev(skb, vlan_dev_info(dev)->real_dev);
+	len = skb->len;
+	ret = dev_queue_xmit(skb);
+
+	if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
+		txq->tx_packets++;
+		txq->tx_bytes += len;
+	} else
+		txq->tx_dropped++;
+
+	return ret;
 }
 
-static int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
-					    struct net_device *dev)
+static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
+						    struct net_device *dev)
 {
-	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
+	int i = skb_get_queue_mapping(skb);
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
 	u16 vlan_tci;
+	unsigned int len;
+	int ret;
 
 	vlan_tci = vlan_dev_info(dev)->vlan_id;
 	vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
 	skb = __vlan_hwaccel_put_tag(skb, vlan_tci);
 
-	txq->tx_packets++;
-	txq->tx_bytes += skb->len;
-
 	skb->dev = vlan_dev_info(dev)->real_dev;
-	dev_queue_xmit(skb);
-	return NETDEV_TX_OK;
+	len = skb->len;
+	ret = dev_queue_xmit(skb);
+
+	if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
+		txq->tx_packets++;
+		txq->tx_bytes += len;
+	} else
+		txq->tx_dropped++;
+
+	return ret;
+}
+
+static u16 vlan_dev_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+	struct net_device *rdev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = rdev->netdev_ops;
+
+	return ops->ndo_select_queue(rdev, skb);
 }
 
 static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
@@ -375,7 +402,7 @@ int vlan_dev_set_egress_priority(const struct net_device *dev,
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	struct vlan_priority_tci_mapping *mp = NULL;
 	struct vlan_priority_tci_mapping *np;
-	u32 vlan_qos = (vlan_prio << 13) & 0xE000;
+	u32 vlan_qos = (vlan_prio << VLAN_PRIO_SHIFT) & VLAN_PRIO_MASK;
 
 	/* See if a priority mapping exists.. */
 	mp = vlan->egress_priority_map[skb_prio & 0xF];
@@ -412,7 +439,8 @@ int vlan_dev_change_flags(const struct net_device *dev, u32 flags, u32 mask)
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	u32 old_flags = vlan->flags;
 
-	if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP))
+	if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP |
+		     VLAN_FLAG_LOOSE_BINDING))
 		return -EINVAL;
 
 	vlan->flags = (old_flags & ~mask) | (flags & mask);
@@ -437,11 +465,12 @@ static int vlan_dev_open(struct net_device *dev)
 	struct net_device *real_dev = vlan->real_dev;
 	int err;
 
-	if (!(real_dev->flags & IFF_UP))
+	if (!(real_dev->flags & IFF_UP) &&
+	    !(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
 		return -ENETDOWN;
 
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
-		err = dev_unicast_add(real_dev, dev->dev_addr);
+		err = dev_uc_add(real_dev, dev->dev_addr);
 		if (err < 0)
 			goto out;
 	}
@@ -470,7 +499,7 @@ clear_allmulti:
 		dev_set_allmulti(real_dev, -1);
 del_unicast:
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-		dev_unicast_delete(real_dev, dev->dev_addr);
+		dev_uc_del(real_dev, dev->dev_addr);
 out:
 	netif_carrier_off(dev);
 	return err;
@@ -485,14 +514,14 @@ static int vlan_dev_stop(struct net_device *dev)
 		vlan_gvrp_request_leave(dev);
 
 	dev_mc_unsync(real_dev, dev);
-	dev_unicast_unsync(real_dev, dev);
+	dev_uc_unsync(real_dev, dev);
 	if (dev->flags & IFF_ALLMULTI)
 		dev_set_allmulti(real_dev, -1);
 	if (dev->flags & IFF_PROMISC)
 		dev_set_promiscuity(real_dev, -1);
 
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-		dev_unicast_delete(real_dev, dev->dev_addr);
+		dev_uc_del(real_dev, dev->dev_addr);
 
 	netif_carrier_off(dev);
 	return 0;
@@ -511,13 +540,13 @@ static int vlan_dev_set_mac_address(struct net_device *dev, void *p)
 		goto out;
 
 	if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
-		err = dev_unicast_add(real_dev, addr->sa_data);
+		err = dev_uc_add(real_dev, addr->sa_data);
 		if (err < 0)
 			return err;
 	}
 
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-		dev_unicast_delete(real_dev, dev->dev_addr);
+		dev_uc_del(real_dev, dev->dev_addr);
 
 out:
 	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
@@ -561,6 +590,66 @@ static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa)
 	return err;
 }
 
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+static int vlan_dev_fcoe_ddp_setup(struct net_device *dev, u16 xid,
+				   struct scatterlist *sgl, unsigned int sgc)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int rc = 0;
+
+	if (ops->ndo_fcoe_ddp_setup)
+		rc = ops->ndo_fcoe_ddp_setup(real_dev, xid, sgl, sgc);
+
+	return rc;
+}
+
+static int vlan_dev_fcoe_ddp_done(struct net_device *dev, u16 xid)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int len = 0;
+
+	if (ops->ndo_fcoe_ddp_done)
+		len = ops->ndo_fcoe_ddp_done(real_dev, xid);
+
+	return len;
+}
+
+static int vlan_dev_fcoe_enable(struct net_device *dev)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int rc = -EINVAL;
+
+	if (ops->ndo_fcoe_enable)
+		rc = ops->ndo_fcoe_enable(real_dev);
+	return rc;
+}
+
+static int vlan_dev_fcoe_disable(struct net_device *dev)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int rc = -EINVAL;
+
+	if (ops->ndo_fcoe_disable)
+		rc = ops->ndo_fcoe_disable(real_dev);
+	return rc;
+}
+
+static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int rc = -EINVAL;
+
+	if (ops->ndo_fcoe_get_wwn)
+		rc = ops->ndo_fcoe_get_wwn(real_dev, wwn, type);
+	return rc;
+}
+#endif
+
 static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
 {
 	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
@@ -574,7 +663,7 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
 static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
 {
 	dev_mc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
-	dev_unicast_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
+	dev_uc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
 }
 
 /*
@@ -608,7 +697,8 @@ static const struct header_ops vlan_header_ops = {
 	.parse	 = eth_header_parse,
 };
 
-static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops;
+static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops,
+		    vlan_netdev_ops_sq, vlan_netdev_accel_ops_sq;
 
 static int vlan_dev_init(struct net_device *dev)
 {
@@ -635,20 +725,35 @@ static int vlan_dev_init(struct net_device *dev)
 	if (is_zero_ether_addr(dev->broadcast))
 		memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
 
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
+#endif
+
 	if (real_dev->features & NETIF_F_HW_VLAN_TX) {
 		dev->header_ops      = real_dev->header_ops;
 		dev->hard_header_len = real_dev->hard_header_len;
-		dev->netdev_ops         = &vlan_netdev_accel_ops;
+		if (real_dev->netdev_ops->ndo_select_queue)
+			dev->netdev_ops = &vlan_netdev_accel_ops_sq;
+		else
+			dev->netdev_ops = &vlan_netdev_accel_ops;
 	} else {
 		dev->header_ops      = &vlan_header_ops;
 		dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
-		dev->netdev_ops         = &vlan_netdev_ops;
+		if (real_dev->netdev_ops->ndo_select_queue)
+			dev->netdev_ops = &vlan_netdev_ops_sq;
+		else
+			dev->netdev_ops = &vlan_netdev_ops;
 	}
 
 	if (is_vlan_dev(real_dev))
 		subclass = 1;
 
 	vlan_dev_set_lockdep_class(dev, subclass);
+
+	vlan_dev_info(dev)->vlan_rx_stats = alloc_percpu(struct vlan_rx_stats);
+	if (!vlan_dev_info(dev)->vlan_rx_stats)
+		return -ENOMEM;
+
 	return 0;
 }
 
@@ -658,6 +763,8 @@ static void vlan_dev_uninit(struct net_device *dev)
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	int i;
 
+	free_percpu(vlan->vlan_rx_stats);
+	vlan->vlan_rx_stats = NULL;
 	for (i = 0; i < ARRAY_SIZE(vlan->egress_priority_map); i++) {
 		while ((pm = vlan->egress_priority_map[i]) != NULL) {
 			vlan->egress_priority_map[i] = pm->next;
@@ -693,6 +800,31 @@ static u32 vlan_ethtool_get_flags(struct net_device *dev)
 	return dev_ethtool_get_flags(vlan->real_dev);
 }
 
+static struct net_device_stats *vlan_dev_get_stats(struct net_device *dev)
+{
+	struct net_device_stats *stats = &dev->stats;
+
+	dev_txq_stats_fold(dev, stats);
+
+	if (vlan_dev_info(dev)->vlan_rx_stats) {
+		struct vlan_rx_stats *p, rx = {0};
+		int i;
+
+		for_each_possible_cpu(i) {
+			p = per_cpu_ptr(vlan_dev_info(dev)->vlan_rx_stats, i);
+			rx.rx_packets += p->rx_packets;
+			rx.rx_bytes   += p->rx_bytes;
+			rx.rx_errors  += p->rx_errors;
+			rx.multicast  += p->multicast;
+		}
+		stats->rx_packets = rx.rx_packets;
+		stats->rx_bytes   = rx.rx_bytes;
+		stats->rx_errors  = rx.rx_errors;
+		stats->multicast  = rx.multicast;
+	}
+	return stats;
+}
+
 static const struct ethtool_ops vlan_ethtool_ops = {
 	.get_settings	        = vlan_ethtool_get_settings,
 	.get_drvinfo	        = vlan_ethtool_get_drvinfo,
@@ -715,6 +847,14 @@ static const struct net_device_ops vlan_netdev_ops = {
 	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
 	.ndo_do_ioctl		= vlan_dev_ioctl,
 	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
+	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
+	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
+	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
+#endif
 };
 
 static const struct net_device_ops vlan_netdev_accel_ops = {
@@ -731,6 +871,64 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
 	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
 	.ndo_do_ioctl		= vlan_dev_ioctl,
 	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
+	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
+	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
+	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
+#endif
+};
+
+static const struct net_device_ops vlan_netdev_ops_sq = {
+	.ndo_select_queue	= vlan_dev_select_queue,
+	.ndo_change_mtu		= vlan_dev_change_mtu,
+	.ndo_init		= vlan_dev_init,
+	.ndo_uninit		= vlan_dev_uninit,
+	.ndo_open		= vlan_dev_open,
+	.ndo_stop		= vlan_dev_stop,
+	.ndo_start_xmit =  vlan_dev_hard_start_xmit,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address	= vlan_dev_set_mac_address,
+	.ndo_set_rx_mode	= vlan_dev_set_rx_mode,
+	.ndo_set_multicast_list	= vlan_dev_set_rx_mode,
+	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
+	.ndo_do_ioctl		= vlan_dev_ioctl,
+	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
+	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
+	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
+	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
+#endif
+};
+
+static const struct net_device_ops vlan_netdev_accel_ops_sq = {
+	.ndo_select_queue	= vlan_dev_select_queue,
+	.ndo_change_mtu		= vlan_dev_change_mtu,
+	.ndo_init		= vlan_dev_init,
+	.ndo_uninit		= vlan_dev_uninit,
+	.ndo_open		= vlan_dev_open,
+	.ndo_stop		= vlan_dev_stop,
+	.ndo_start_xmit =  vlan_dev_hwaccel_hard_start_xmit,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address	= vlan_dev_set_mac_address,
+	.ndo_set_rx_mode	= vlan_dev_set_rx_mode,
+	.ndo_set_multicast_list	= vlan_dev_set_rx_mode,
+	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
+	.ndo_do_ioctl		= vlan_dev_ioctl,
+	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
+	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
+	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
+	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
+#endif
 };
 
 void vlan_setup(struct net_device *dev)