diff options
Diffstat (limited to 'system-linux.c')
| -rw-r--r-- | system-linux.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/system-linux.c b/system-linux.c index 97b38e7..c5583e0 100644 --- a/system-linux.c +++ b/system-linux.c @@ -854,6 +854,53 @@ int system_bridge_delif(struct device *bridge, struct device *dev) return system_bridge_if(bridge->ifname, dev, SIOCBRDELIF, NULL); } +int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags) +{ + struct ifinfomsg ifi = { .ifi_family = PF_BRIDGE, }; + struct bridge_vlan_info vinfo = { .vid = vid, }; + unsigned short flags = 0; + struct nlattr *afspec; + struct nl_msg *nlm; + int ret = 0; + + ifi.ifi_index = if_nametoindex(iface); + if (!ifi.ifi_index) + return -1; + + nlm = nlmsg_alloc_simple(add ? RTM_SETLINK : RTM_DELLINK, NLM_F_REQUEST); + if (!nlm) + return -1; + + nlmsg_append(nlm, &ifi, sizeof(ifi), 0); + + if (vflags & BRVLAN_F_SELF) + flags |= BRIDGE_FLAGS_SELF; + + if (vflags & BRVLAN_F_PVID) + vinfo.flags |= BRIDGE_VLAN_INFO_PVID; + + if (vflags & BRVLAN_F_UNTAGGED) + vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; + + afspec = nla_nest_start(nlm, IFLA_AF_SPEC); + if (!afspec) { + ret = -ENOMEM; + goto failure; + } + + if (flags) + nla_put_u16(nlm, IFLA_BRIDGE_FLAGS, flags); + + nla_put(nlm, IFLA_BRIDGE_VLAN_INFO, sizeof(vinfo), &vinfo); + nla_nest_end(nlm, afspec); + + return system_rtnl_call(nlm); + +failure: + nlmsg_free(nlm); + return ret; +} + int system_if_resolve(struct device *dev) { struct ifreq ifr; |