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bridge: Add the ability to configure pvid

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A user may designate a certain vlan as PVID.  This means that
any ingress frame that does not contain a vlan tag is assigned to
this vlan and any forwarding decisions are made with this vlan in mind.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2013-02-13 12:00:15 +00:00
committed by David S. Miller
parent 7885198861
commit 552406c488
4 changed files with 50 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/bridge/br_netlink.c
+8 -3
View File
@@ -120,6 +120,7 @@ static int br_fill_ifinfo(struct sk_buff *skb,
const struct net_port_vlans *pv;
struct bridge_vlan_info vinfo;
u16 vid;
u16 pvid;
if (port)
pv = nbp_get_vlan_info(port);
@@ -133,12 +134,15 @@ static int br_fill_ifinfo(struct sk_buff *skb,
if (!af)
goto nla_put_failure;
pvid = br_get_pvid(pv);
for (vid = find_first_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN);
vid < BR_VLAN_BITMAP_LEN;
vid = find_next_bit(pv->vlan_bitmap,
BR_VLAN_BITMAP_LEN, vid+1)) {
vinfo.vid = vid;
vinfo.flags = 0;
if (vid == pvid)
vinfo.flags |= BRIDGE_VLAN_INFO_PVID;
if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO,
sizeof(vinfo), &vinfo))
goto nla_put_failure;
@@ -239,14 +243,15 @@ static int br_afspec(struct net_bridge *br,
switch (cmd) {
case RTM_SETLINK:
if (p) {
err = nbp_vlan_add(p, vinfo->vid);
err = nbp_vlan_add(p, vinfo->vid, vinfo->flags);
if (err)
break;
if (vinfo->flags & BRIDGE_VLAN_INFO_MASTER)
err = br_vlan_add(p->br, vinfo->vid);
err = br_vlan_add(p->br, vinfo->vid,
vinfo->flags);
} else
err = br_vlan_add(br, vinfo->vid);
err = br_vlan_add(br, vinfo->vid, vinfo->flags);
if (err)
break;