diff options
Diffstat (limited to 'net/8021q/vlan_core.c')
| -rw-r--r-- | net/8021q/vlan_core.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index bdb0b9d2e9c..ebfa2fceb88 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -194,6 +194,18 @@ struct vlan_vid_info { 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, __be16 proto, u16 vid) { @@ -231,8 +243,7 @@ static int __vlan_vid_add(struct vlan_info *vlan_info, __be16 proto, u16 vid, if (!vid_info) return -ENOMEM; - if (proto == htons(ETH_P_8021Q) && - dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) { + if (vlan_hw_filter_capable(dev, vid_info)) { err = ops->ndo_vlan_rx_add_vid(dev, proto, vid); if (err) { kfree(vid_info); @@ -290,8 +301,7 @@ static void __vlan_vid_del(struct vlan_info *vlan_info, u16 vid = vid_info->vid; int err; - if (proto == htons(ETH_P_8021Q) && - dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) { + 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 %04x/%d for device %s\n", |