diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_vlan_options.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/net/bridge/br_vlan_options.c b/net/bridge/br_vlan_options.c index b39427f75457..b4add9ea8964 100644 --- a/net/bridge/br_vlan_options.c +++ b/net/bridge/br_vlan_options.c @@ -97,6 +97,7 @@ static int br_vlan_modify_state(struct net_bridge_vlan_group *vg, static const struct nla_policy br_vlandb_tinfo_pol[BRIDGE_VLANDB_TINFO_MAX + 1] = { [BRIDGE_VLANDB_TINFO_ID] = { .type = NLA_U32 }, + [BRIDGE_VLANDB_TINFO_CMD] = { .type = NLA_U32 }, }; static int br_vlan_modify_tunnel(const struct net_bridge_port *p, @@ -107,8 +108,8 @@ static int br_vlan_modify_tunnel(const struct net_bridge_port *p, { struct nlattr *tun_tb[BRIDGE_VLANDB_TINFO_MAX + 1], *attr; struct bridge_vlan_info *vinfo; - int cmdmap, err; - u32 tun_id; + u32 tun_id = 0; + int cmd, err; if (!p) { NL_SET_ERR_MSG_MOD(extack, "Can't modify tunnel mapping of non-port vlans"); @@ -125,23 +126,35 @@ static int br_vlan_modify_tunnel(const struct net_bridge_port *p, if (err) return err; - if (!tun_tb[BRIDGE_VLANDB_TINFO_ID]) { - NL_SET_ERR_MSG_MOD(extack, "Missing tunnel id attribute"); + if (!tun_tb[BRIDGE_VLANDB_TINFO_CMD]) { + NL_SET_ERR_MSG_MOD(extack, "Missing tunnel command attribute"); return -ENOENT; } - /* vlan info attribute is guaranteed by br_vlan_rtm_process_one */ - vinfo = nla_data(tb[BRIDGE_VLANDB_ENTRY_INFO]); - cmdmap = vinfo->flags & BRIDGE_VLAN_INFO_REMOVE_TUN ? RTM_DELLINK : - RTM_SETLINK; - /* when working on vlan ranges this represents the starting tunnel id */ - tun_id = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_ID]); - /* tunnel ids are mapped to each vlan in increasing order, - * the starting vlan is in BRIDGE_VLANDB_ENTRY_INFO and v is the - * current vlan, so we compute: tun_id + v - vinfo->vid - */ - tun_id += v->vid - vinfo->vid; - - return br_vlan_tunnel_info(p, cmdmap, v->vid, tun_id, changed); + cmd = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_CMD]); + switch (cmd) { + case RTM_SETLINK: + if (!tun_tb[BRIDGE_VLANDB_TINFO_ID]) { + NL_SET_ERR_MSG_MOD(extack, "Missing tunnel id attribute"); + return -ENOENT; + } + /* when working on vlan ranges this is the starting tunnel id */ + tun_id = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_ID]); + /* vlan info attr is guaranteed by br_vlan_rtm_process_one */ + vinfo = nla_data(tb[BRIDGE_VLANDB_ENTRY_INFO]); + /* tunnel ids are mapped to each vlan in increasing order, + * the starting vlan is in BRIDGE_VLANDB_ENTRY_INFO and v is the + * current vlan, so we compute: tun_id + v - vinfo->vid + */ + tun_id += v->vid - vinfo->vid; + break; + case RTM_DELLINK: + break; + default: + NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel command"); + return -EINVAL; + } + + return br_vlan_tunnel_info(p, cmd, v->vid, tun_id, changed); } static int br_vlan_process_one_opts(const struct net_bridge *br, |