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Diffstat (limited to 'net/8021q/vlan_core.c')
-rw-r--r--net/8021q/vlan_core.c80
1 files changed, 50 insertions, 30 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index f3b6f515eba6..8a15eaadc4bd 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -8,11 +8,12 @@
bool vlan_do_receive(struct sk_buff **skbp)
{
struct sk_buff *skb = *skbp;
+ __be16 vlan_proto = skb->vlan_proto;
u16 vlan_id = skb->vlan_tci & VLAN_VID_MASK;
struct net_device *vlan_dev;
struct vlan_pcpu_stats *rx_stats;
- vlan_dev = vlan_find_dev(skb->dev, vlan_id);
+ vlan_dev = vlan_find_dev(skb->dev, vlan_proto, vlan_id);
if (!vlan_dev)
return false;
@@ -38,7 +39,8 @@ bool vlan_do_receive(struct sk_buff **skbp)
* original position later
*/
skb_push(skb, offset);
- skb = *skbp = vlan_insert_tag(skb, skb->vlan_tci);
+ skb = *skbp = vlan_insert_tag(skb, skb->vlan_proto,
+ skb->vlan_tci);
if (!skb)
return false;
skb_pull(skb, offset + VLAN_HLEN);
@@ -62,12 +64,13 @@ bool vlan_do_receive(struct sk_buff **skbp)
/* Must be invoked with rcu_read_lock. */
struct net_device *__vlan_find_dev_deep(struct net_device *dev,
- u16 vlan_id)
+ __be16 vlan_proto, u16 vlan_id)
{
struct vlan_info *vlan_info = rcu_dereference(dev->vlan_info);
if (vlan_info) {
- return vlan_group_get_device(&vlan_info->grp, vlan_id);
+ return vlan_group_get_device(&vlan_info->grp,
+ vlan_proto, vlan_id);
} else {
/*
* Lower devices of master uppers (bonding, team) do not have
@@ -78,7 +81,8 @@ struct net_device *__vlan_find_dev_deep(struct net_device *dev,
upper_dev = netdev_master_upper_dev_get_rcu(dev);
if (upper_dev)
- return __vlan_find_dev_deep(upper_dev, vlan_id);
+ return __vlan_find_dev_deep(upper_dev,
+ vlan_proto, vlan_id);
}
return NULL;
@@ -125,7 +129,7 @@ struct sk_buff *vlan_untag(struct sk_buff *skb)
vhdr = (struct vlan_hdr *) skb->data;
vlan_tci = ntohs(vhdr->h_vlan_TCI);
- __vlan_hwaccel_put_tag(skb, vlan_tci);
+ __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci);
skb_pull_rcsum(skb, VLAN_HLEN);
vlan_set_encap_proto(skb, vhdr);
@@ -153,10 +157,11 @@ EXPORT_SYMBOL(vlan_untag);
static void vlan_group_free(struct vlan_group *grp)
{
- int i;
+ int i, j;
- for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++)
- kfree(grp->vlan_devices_arrays[i]);
+ for (i = 0; i < VLAN_PROTO_NUM; i++)
+ for (j = 0; j < VLAN_GROUP_ARRAY_SPLIT_PARTS; j++)
+ kfree(grp->vlan_devices_arrays[i][j]);
}
static void vlan_info_free(struct vlan_info *vlan_info)
@@ -185,35 +190,49 @@ static struct vlan_info *vlan_info_alloc(struct net_device *dev)
struct vlan_vid_info {
struct list_head list;
- unsigned short vid;
+ __be16 proto;
+ u16 vid;
int refcount;
};
+static bool vlan_hw_filter_capable(const struct net_device *dev,
+ const struct vlan_vid_info *vid_info)
+{
+ if (vid_info->proto == htons(ETH_P_8021Q) &&
+ dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
+ return true;
+ if (vid_info->proto == htons(ETH_P_8021AD) &&
+ dev->features & NETIF_F_HW_VLAN_STAG_FILTER)
+ return true;
+ return false;
+}
+
static struct vlan_vid_info *vlan_vid_info_get(struct vlan_info *vlan_info,
- unsigned short vid)
+ __be16 proto, u16 vid)
{
struct vlan_vid_info *vid_info;
list_for_each_entry(vid_info, &vlan_info->vid_list, list) {
- if (vid_info->vid == vid)
+ if (vid_info->proto == proto && vid_info->vid == vid)
return vid_info;
}
return NULL;
}
-static struct vlan_vid_info *vlan_vid_info_alloc(unsigned short vid)
+static struct vlan_vid_info *vlan_vid_info_alloc(__be16 proto, u16 vid)
{
struct vlan_vid_info *vid_info;
vid_info = kzalloc(sizeof(struct vlan_vid_info), GFP_KERNEL);
if (!vid_info)
return NULL;
+ vid_info->proto = proto;
vid_info->vid = vid;
return vid_info;
}
-static int __vlan_vid_add(struct vlan_info *vlan_info, unsigned short vid,
+static int __vlan_vid_add(struct vlan_info *vlan_info, __be16 proto, u16 vid,
struct vlan_vid_info **pvid_info)
{
struct net_device *dev = vlan_info->real_dev;
@@ -221,12 +240,12 @@ static int __vlan_vid_add(struct vlan_info *vlan_info, unsigned short vid,
struct vlan_vid_info *vid_info;
int err;
- vid_info = vlan_vid_info_alloc(vid);
+ vid_info = vlan_vid_info_alloc(proto, vid);
if (!vid_info)
return -ENOMEM;
- if (dev->features & NETIF_F_HW_VLAN_FILTER) {
- err = ops->ndo_vlan_rx_add_vid(dev, vid);
+ if (vlan_hw_filter_capable(dev, vid_info)) {
+ err = ops->ndo_vlan_rx_add_vid(dev, proto, vid);
if (err) {
kfree(vid_info);
return err;
@@ -238,7 +257,7 @@ static int __vlan_vid_add(struct vlan_info *vlan_info, unsigned short vid,
return 0;
}
-int vlan_vid_add(struct net_device *dev, unsigned short vid)
+int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid)
{
struct vlan_info *vlan_info;
struct vlan_vid_info *vid_info;
@@ -254,9 +273,9 @@ int vlan_vid_add(struct net_device *dev, unsigned short vid)
return -ENOMEM;
vlan_info_created = true;
}
- vid_info = vlan_vid_info_get(vlan_info, vid);
+ vid_info = vlan_vid_info_get(vlan_info, proto, vid);
if (!vid_info) {
- err = __vlan_vid_add(vlan_info, vid, &vid_info);
+ err = __vlan_vid_add(vlan_info, proto, vid, &vid_info);
if (err)
goto out_free_vlan_info;
}
@@ -279,14 +298,15 @@ static void __vlan_vid_del(struct vlan_info *vlan_info,
{
struct net_device *dev = vlan_info->real_dev;
const struct net_device_ops *ops = dev->netdev_ops;
- unsigned short vid = vid_info->vid;
+ __be16 proto = vid_info->proto;
+ u16 vid = vid_info->vid;
int err;
- if (dev->features & NETIF_F_HW_VLAN_FILTER) {
- err = ops->ndo_vlan_rx_kill_vid(dev, vid);
+ if (vlan_hw_filter_capable(dev, vid_info)) {
+ err = ops->ndo_vlan_rx_kill_vid(dev, proto, vid);
if (err) {
- pr_warn("failed to kill vid %d for device %s\n",
- vid, dev->name);
+ pr_warn("failed to kill vid %04x/%d for device %s\n",
+ proto, vid, dev->name);
}
}
list_del(&vid_info->list);
@@ -294,7 +314,7 @@ static void __vlan_vid_del(struct vlan_info *vlan_info,
vlan_info->nr_vids--;
}
-void vlan_vid_del(struct net_device *dev, unsigned short vid)
+void vlan_vid_del(struct net_device *dev, __be16 proto, u16 vid)
{
struct vlan_info *vlan_info;
struct vlan_vid_info *vid_info;
@@ -305,7 +325,7 @@ void vlan_vid_del(struct net_device *dev, unsigned short vid)
if (!vlan_info)
return;
- vid_info = vlan_vid_info_get(vlan_info, vid);
+ vid_info = vlan_vid_info_get(vlan_info, proto, vid);
if (!vid_info)
return;
vid_info->refcount--;
@@ -333,7 +353,7 @@ int vlan_vids_add_by_dev(struct net_device *dev,
return 0;
list_for_each_entry(vid_info, &vlan_info->vid_list, list) {
- err = vlan_vid_add(dev, vid_info->vid);
+ err = vlan_vid_add(dev, vid_info->proto, vid_info->vid);
if (err)
goto unwind;
}
@@ -343,7 +363,7 @@ unwind:
list_for_each_entry_continue_reverse(vid_info,
&vlan_info->vid_list,
list) {
- vlan_vid_del(dev, vid_info->vid);
+ vlan_vid_del(dev, vid_info->proto, vid_info->vid);
}
return err;
@@ -363,7 +383,7 @@ void vlan_vids_del_by_dev(struct net_device *dev,
return;
list_for_each_entry(vid_info, &vlan_info->vid_list, list)
- vlan_vid_del(dev, vid_info->vid);
+ vlan_vid_del(dev, vid_info->proto, vid_info->vid);
}
EXPORT_SYMBOL(vlan_vids_del_by_dev);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 15:01:50 +0000