Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
[pandora-kernel.git] / drivers / s390 / net / qeth_l3_main.c
index fd69da3..fafb8c2 100644 (file)
@@ -13,6 +13,7 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/bitops.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -23,6 +24,7 @@
 #include <linux/inetdevice.h>
 #include <linux/igmp.h>
 #include <linux/slab.h>
+#include <linux/if_vlan.h>
 
 #include <net/ip.h>
 #include <net/arp.h>
@@ -1696,16 +1698,18 @@ static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev)
 static void qeth_l3_add_vlan_mc(struct qeth_card *card)
 {
        struct in_device *in_dev;
-       struct vlan_group *vg;
-       int i;
+       u16 vid;
 
        QETH_CARD_TEXT(card, 4, "addmcvl");
-       if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL))
+       if (!qeth_is_supported(card, IPA_FULL_VLAN))
                return;
 
-       vg = card->vlangrp;
-       for (i = 0; i < VLAN_N_VID; i++) {
-               struct net_device *netdev = vlan_group_get_device(vg, i);
+       for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
+               struct net_device *netdev;
+
+               rcu_read_lock();
+               netdev = __vlan_find_dev_deep(card->dev, vid);
+               rcu_read_unlock();
                if (netdev == NULL ||
                    !(netdev->flags & IFF_UP))
                        continue;
@@ -1759,16 +1763,16 @@ static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
 static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
 {
        struct inet6_dev *in_dev;
-       struct vlan_group *vg;
-       int i;
+       u16 vid;
 
        QETH_CARD_TEXT(card, 4, "admc6vl");
-       if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL))
+       if (!qeth_is_supported(card, IPA_FULL_VLAN))
                return;
 
-       vg = card->vlangrp;
-       for (i = 0; i < VLAN_N_VID; i++) {
-               struct net_device *netdev = vlan_group_get_device(vg, i);
+       for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
+               struct net_device *netdev;
+
+               netdev = __vlan_find_dev_deep(card->dev, vid);
                if (netdev == NULL ||
                    !(netdev->flags & IFF_UP))
                        continue;
@@ -1806,10 +1810,12 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
        struct in_device *in_dev;
        struct in_ifaddr *ifa;
        struct qeth_ipaddr *addr;
+       struct net_device *netdev;
 
        QETH_CARD_TEXT(card, 4, "frvaddr4");
 
-       in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid));
+       netdev = __vlan_find_dev_deep(card->dev, vid);
+       in_dev = in_dev_get(netdev);
        if (!in_dev)
                return;
        for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
@@ -1832,10 +1838,12 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
        struct inet6_dev *in6_dev;
        struct inet6_ifaddr *ifa;
        struct qeth_ipaddr *addr;
+       struct net_device *netdev;
 
        QETH_CARD_TEXT(card, 4, "frvaddr6");
 
-       in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
+       netdev = __vlan_find_dev_deep(card->dev, vid);
+       in6_dev = in6_dev_get(netdev);
        if (!in6_dev)
                return;
        list_for_each_entry(ifa, &in6_dev->addr_list, if_list) {
@@ -1856,26 +1864,15 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
 static void qeth_l3_free_vlan_addresses(struct qeth_card *card,
                        unsigned short vid)
 {
-       if (!card->vlangrp)
-               return;
        qeth_l3_free_vlan_addresses4(card, vid);
        qeth_l3_free_vlan_addresses6(card, vid);
 }
 
-static void qeth_l3_vlan_rx_register(struct net_device *dev,
-                       struct vlan_group *grp)
+static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
 {
        struct qeth_card *card = dev->ml_priv;
-       unsigned long flags;
-
-       QETH_CARD_TEXT(card, 4, "vlanreg");
-       spin_lock_irqsave(&card->vlanlock, flags);
-       card->vlangrp = grp;
-       spin_unlock_irqrestore(&card->vlanlock, flags);
-}
 
-static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
-{
+       set_bit(vid, card->active_vlans);
        return;
 }
 
@@ -1892,7 +1889,7 @@ static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
        spin_lock_irqsave(&card->vlanlock, flags);
        /* unregister IP addresses of vlan device */
        qeth_l3_free_vlan_addresses(card, vid);
-       vlan_group_set_device(card->vlangrp, vid, NULL);
+       clear_bit(vid, card->active_vlans);
        spin_unlock_irqrestore(&card->vlanlock, flags);
        qeth_l3_set_multicast_list(card->dev);
 }
@@ -2014,10 +2011,8 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
                                                      &vlan_tag);
                        len = skb->len;
                        if (is_vlan && !card->options.sniffer)
-                               vlan_gro_receive(&card->napi, card->vlangrp,
-                                       vlan_tag, skb);
-                       else
-                               napi_gro_receive(&card->napi, skb);
+                               __vlan_hwaccel_put_tag(skb, vlan_tag);
+                       napi_gro_receive(&card->napi, skb);
                        break;
                case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
                        skb->pkt_type = PACKET_HOST;
@@ -2118,15 +2113,15 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev,
                        struct qeth_card *card)
 {
        int rc = 0;
-       struct vlan_group *vg;
-       int i;
+       u16 vid;
 
-       vg = card->vlangrp;
-       if (!vg)
-               return rc;
+       for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
+               struct net_device *netdev;
 
-       for (i = 0; i < VLAN_N_VID; i++) {
-               if (vlan_group_get_device(vg, i) == dev) {
+               rcu_read_lock();
+               netdev = __vlan_find_dev_deep(dev, vid);
+               rcu_read_unlock();
+               if (netdev == dev) {
                        rc = QETH_VLAN_CARD;
                        break;
                }
@@ -2742,9 +2737,14 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 {
        int cast_type = RTN_UNSPEC;
-
-       if (skb_dst(skb) && skb_dst(skb)->neighbour) {
-               cast_type = skb_dst(skb)->neighbour->type;
+       struct neighbour *n = NULL;
+       struct dst_entry *dst;
+
+       dst = skb_dst(skb);
+       if (dst)
+               n = dst_get_neighbour(dst);
+       if (n) {
+               cast_type = n->type;
                if ((cast_type == RTN_BROADCAST) ||
                    (cast_type == RTN_MULTICAST) ||
                    (cast_type == RTN_ANYCAST))
@@ -2787,6 +2787,9 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
                struct sk_buff *skb, int ipv, int cast_type)
 {
+       struct neighbour *n = NULL;
+       struct dst_entry *dst;
+
        memset(hdr, 0, sizeof(struct qeth_hdr));
        hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
        hdr->hdr.l3.ext_flags = 0;
@@ -2795,7 +2798,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
         * before we're going to overwrite this location with next hop ip.
         * v6 uses passthrough, v4 sets the tag in the QDIO header.
         */
-       if (card->vlangrp && vlan_tx_tag_present(skb)) {
+       if (vlan_tx_tag_present(skb)) {
                if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD))
                        hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME;
                else
@@ -2804,13 +2807,16 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
        }
 
        hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+       dst = skb_dst(skb);
+       if (dst)
+               n = dst_get_neighbour(dst);
        if (ipv == 4) {
                /* IPv4 */
                hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type);
                memset(hdr->hdr.l3.dest_addr, 0, 12);
-               if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) {
+               if (n) {
                        *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
-                           *((u32 *) skb_dst(skb)->neighbour->primary_key);
+                           *((u32 *) n->primary_key);
                } else {
                        /* fill in destination address used in ip header */
                        *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
@@ -2821,9 +2827,9 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
                hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type);
                if (card->info.type == QETH_CARD_TYPE_IQD)
                        hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU;
-               if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) {
+               if (n) {
                        memcpy(hdr->hdr.l3.dest_addr,
-                              skb_dst(skb)->neighbour->primary_key, 16);
+                              n->primary_key, 16);
                } else {
                        /* fill in destination address used in ip header */
                        memcpy(hdr->hdr.l3.dest_addr,
@@ -2977,8 +2983,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                                skb_pull(new_skb, ETH_HLEN);
                }
 
-               if (ipv != 4 && card->vlangrp &&
-                               vlan_tx_tag_present(new_skb)) {
+               if (ipv != 4 && vlan_tx_tag_present(new_skb)) {
                        skb_push(new_skb, VLAN_HLEN);
                        skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4);
                        skb_copy_to_linear_data_offset(new_skb, 4,
@@ -3222,14 +3227,13 @@ static const struct net_device_ops qeth_l3_netdev_ops = {
        .ndo_start_xmit         = qeth_l3_hard_start_xmit,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_multicast_list = qeth_l3_set_multicast_list,
-       .ndo_do_ioctl           = qeth_l3_do_ioctl,
-       .ndo_change_mtu         = qeth_change_mtu,
-       .ndo_fix_features       = qeth_l3_fix_features,
-       .ndo_set_features       = qeth_l3_set_features,
-       .ndo_vlan_rx_register   = qeth_l3_vlan_rx_register,
+       .ndo_do_ioctl           = qeth_l3_do_ioctl,
+       .ndo_change_mtu         = qeth_change_mtu,
+       .ndo_fix_features       = qeth_l3_fix_features,
+       .ndo_set_features       = qeth_l3_set_features,
        .ndo_vlan_rx_add_vid    = qeth_l3_vlan_rx_add_vid,
        .ndo_vlan_rx_kill_vid   = qeth_l3_vlan_rx_kill_vid,
-       .ndo_tx_timeout         = qeth_tx_timeout,
+       .ndo_tx_timeout         = qeth_tx_timeout,
 };
 
 static const struct net_device_ops qeth_l3_osa_netdev_ops = {
@@ -3239,14 +3243,13 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
        .ndo_start_xmit         = qeth_l3_hard_start_xmit,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_multicast_list = qeth_l3_set_multicast_list,
-       .ndo_do_ioctl           = qeth_l3_do_ioctl,
-       .ndo_change_mtu         = qeth_change_mtu,
-       .ndo_fix_features       = qeth_l3_fix_features,
-       .ndo_set_features       = qeth_l3_set_features,
-       .ndo_vlan_rx_register   = qeth_l3_vlan_rx_register,
+       .ndo_do_ioctl           = qeth_l3_do_ioctl,
+       .ndo_change_mtu         = qeth_change_mtu,
+       .ndo_fix_features       = qeth_l3_fix_features,
+       .ndo_set_features       = qeth_l3_set_features,
        .ndo_vlan_rx_add_vid    = qeth_l3_vlan_rx_add_vid,
        .ndo_vlan_rx_kill_vid   = qeth_l3_vlan_rx_kill_vid,
-       .ndo_tx_timeout         = qeth_tx_timeout,
+       .ndo_tx_timeout         = qeth_tx_timeout,
        .ndo_neigh_setup        = qeth_l3_neigh_setup,
 };