Amine Kherbouche <amine.kherbou...@6wind.com> : [...] > diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c > index 36ea2ad..060ed07 100644 > --- a/net/mpls/af_mpls.c > +++ b/net/mpls/af_mpls.c [...] > @@ -39,6 +40,40 @@ static int one = 1; > static int label_limit = (1 << 20) - 1; > static int ttl_max = 255; > > +size_t ipgre_mpls_encap_hlen(struct ip_tunnel_encap *e) > +{ > + return sizeof(struct mpls_shim_hdr); > +} > + > +int ipgre_mpls_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, > + u8 *protocol, struct flowi4 *fl4) > +{ > + return 0; > +} > + > +static const struct ip_tunnel_encap_ops mpls_iptun_ops = { > + .encap_hlen = ipgre_mpls_encap_hlen, > + .build_header = ipgre_mpls_build_header, > +};
Nit: af_mpls.c uses tab before '=' in such places. > + > +int ipgre_tunnel_encap_add_mpls_ops(void) > +{ > + int ret; > + > + ret = ip_tunnel_encap_add_ops(&mpls_iptun_ops, TUNNEL_ENCAP_MPLS); ip_tunnel_encap_add_ops is CONFIG_NET_IP_TUNNEL dependant. Afaics CONFIG_MPLS does not enforce it. [...] > @@ -2486,6 +2521,7 @@ static int __init mpls_init(void) > 0); > rtnl_register(PF_MPLS, RTM_GETNETCONF, mpls_netconf_get_devconf, > mpls_netconf_dump_devconf, 0); > + ipgre_tunnel_encap_add_mpls_ops(); > err = 0; > out: > return err; ipgre_tunnel_encap_add_mpls_ops status return code is not checked. -- Ueimor