X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fvport-gre.c;h=7f8bc9a70bd5685e6d99b46fc00cf274b4d3e59f;hb=8432bb09305ac380451fc1bbd39336d6e2c472eb;hp=45e38b003b415e77a767a51b1feef96121648209;hpb=49a4902d76b9149e4fa399bde6d5cb9a91e64c07;p=openvswitch diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c index 45e38b00..7f8bc9a7 100644 --- a/datapath/vport-gre.c +++ b/datapath/vport-gre.c @@ -45,39 +45,14 @@ struct gre_base_hdr { __be16 protocol; }; -static void get_gre_param(const struct tnl_mutable_config *mutable, - const struct ovs_key_ipv4_tunnel *tun_key, - u32 *flags, u32 *tunnel_type, __be64 *out_key) -{ - if (tun_key->ipv4_dst) { - *flags = 0; - - if (tun_key->tun_flags & OVS_TNL_F_KEY) - *flags = TNL_F_OUT_KEY_ACTION; - if (tun_key->tun_flags & OVS_TNL_F_CSUM) - *flags |= TNL_F_CSUM; - *tunnel_type = TNL_T_PROTO_GRE; - *out_key = tun_key->tun_id; - } else { - *flags = mutable->flags; - *tunnel_type = mutable->key.tunnel_type; - if (mutable->flags & TNL_F_OUT_KEY_ACTION) - *out_key = tun_key->tun_id; - else - *out_key = mutable->out_key; - - } -} - static int gre_hdr_len(const struct tnl_mutable_config *mutable, const struct ovs_key_ipv4_tunnel *tun_key) { int len; u32 flags; - u32 tunnel_type; __be64 out_key; - get_gre_param(mutable, tun_key, &flags, &tunnel_type, &out_key); + tnl_get_param(mutable, tun_key, &flags, &out_key); len = GRE_HEADER_SECTION; if (flags & TNL_F_CSUM) @@ -85,11 +60,11 @@ static int gre_hdr_len(const struct tnl_mutable_config *mutable, /* Set key for GRE64 tunnels, even when key if is zero. */ if (out_key || - tunnel_type & TNL_T_PROTO_GRE64 || + mutable->key.tunnel_type & TNL_T_PROTO_GRE64 || flags & TNL_F_OUT_KEY_ACTION) { len += GRE_HEADER_SECTION; - if (tunnel_type & TNL_T_PROTO_GRE64) + if (mutable->key.tunnel_type & TNL_T_PROTO_GRE64) len += GRE_HEADER_SECTION; } return len; @@ -122,22 +97,22 @@ static struct sk_buff *gre_build_header(const struct vport *vport, int tunnel_hlen) { u32 flags; - u32 tunnel_type; __be64 out_key; const struct ovs_key_ipv4_tunnel *tun_key = OVS_CB(skb)->tun_key; __be32 *options = (__be32 *)(skb_network_header(skb) + tunnel_hlen - GRE_HEADER_SECTION); struct gre_base_hdr *greh = (struct gre_base_hdr *) skb_transport_header(skb); - get_gre_param(mutable, tun_key, &flags, &tunnel_type, &out_key); + tnl_get_param(mutable, tun_key, &flags, &out_key); greh->protocol = htons(ETH_P_TEB); greh->flags = 0; /* Work backwards over the options so the checksum is last. */ - if (out_key || flags & TNL_F_OUT_KEY_ACTION || tunnel_type & TNL_T_PROTO_GRE64) { + if (out_key || flags & TNL_F_OUT_KEY_ACTION || + mutable->key.tunnel_type & TNL_T_PROTO_GRE64) { greh->flags |= GRE_KEY; - if (tunnel_type & TNL_T_PROTO_GRE64) { + if (mutable->key.tunnel_type & TNL_T_PROTO_GRE64) { /* Set higher 32 bits to seq. */ *options = be64_get_high32(out_key); options--;