diff options
Diffstat (limited to 'net/ipv4/ip_tunnel_core.c')
| -rw-r--r-- | net/ipv4/ip_tunnel_core.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index cc1caab4a654..6d08f7e39191 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -1079,3 +1079,38 @@ EXPORT_SYMBOL(ip_tunnel_parse_protocol); const struct header_ops ip_tunnel_header_ops = { .parse_protocol = ip_tunnel_parse_protocol }; EXPORT_SYMBOL(ip_tunnel_header_ops); + +/* This function returns true when ENCAP attributes are present in the nl msg */ +bool ip_tunnel_netlink_encap_parms(struct nlattr *data[], + struct ip_tunnel_encap *encap) +{ + bool ret = false; + + memset(encap, 0, sizeof(*encap)); + + if (!data) + return ret; + + if (data[IFLA_IPTUN_ENCAP_TYPE]) { + ret = true; + encap->type = nla_get_u16(data[IFLA_IPTUN_ENCAP_TYPE]); + } + + if (data[IFLA_IPTUN_ENCAP_FLAGS]) { + ret = true; + encap->flags = nla_get_u16(data[IFLA_IPTUN_ENCAP_FLAGS]); + } + + if (data[IFLA_IPTUN_ENCAP_SPORT]) { + ret = true; + encap->sport = nla_get_be16(data[IFLA_IPTUN_ENCAP_SPORT]); + } + + if (data[IFLA_IPTUN_ENCAP_DPORT]) { + ret = true; + encap->dport = nla_get_be16(data[IFLA_IPTUN_ENCAP_DPORT]); + } + + return ret; +} +EXPORT_SYMBOL_GPL(ip_tunnel_netlink_encap_parms); |