diff options
Diffstat (limited to 'src/vnet/ipip')
| -rw-r--r-- | src/vnet/ipip/ipip.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c index ec329e21eea..aaf21468d1e 100644 --- a/src/vnet/ipip/ipip.c +++ b/src/vnet/ipip/ipip.c @@ -148,7 +148,14 @@ ipip64_fixup (vlib_main_t * vm, const ip_adjacency_t * adj, vlib_buffer_t * b, ip4->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b)); tunnel_encap_fixup_6o4 (flags, ((ip6_header_t *) (ip4 + 1)), ip4); - ip4->checksum = ip4_header_checksum (ip4); + if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_GSO)) + { + vnet_buffer2 (b)->outer_l3_hdr_offset = (u8 *) ip4 - b->data; + vnet_buffer_offload_flags_set (b, VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM | + VNET_BUFFER_OFFLOAD_F_TNL_IPIP); + } + else + ip4->checksum = ip4_header_checksum (ip4); } static void @@ -164,7 +171,14 @@ ipip44_fixup (vlib_main_t * vm, const ip_adjacency_t * adj, vlib_buffer_t * b, ip4->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b)); tunnel_encap_fixup_4o4 (flags, ip4 + 1, ip4); - ip4->checksum = ip4_header_checksum (ip4); + if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_GSO)) + { + vnet_buffer2 (b)->outer_l3_hdr_offset = (u8 *) ip4 - b->data; + vnet_buffer_offload_flags_set (b, VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM | + VNET_BUFFER_OFFLOAD_F_TNL_IPIP); + } + else + ip4->checksum = ip4_header_checksum (ip4); } static void @@ -185,6 +199,12 @@ ipip46_fixup (vlib_main_t * vm, const ip_adjacency_t * adj, vlib_buffer_t * b, clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) - sizeof (*ip6)); tunnel_encap_fixup_4o6 (flags, b, ((ip4_header_t *) (ip6 + 1)), ip6); + + if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_GSO)) + { + vnet_buffer2 (b)->outer_l3_hdr_offset = (u8 *) ip6 - b->data; + vnet_buffer_offload_flags_set (b, VNET_BUFFER_OFFLOAD_F_TNL_IPIP); + } } static void @@ -205,6 +225,12 @@ ipip66_fixup (vlib_main_t * vm, clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) - sizeof (*ip6)); tunnel_encap_fixup_6o6 (flags, ip6 + 1, ip6); + + if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_GSO)) + { + vnet_buffer2 (b)->outer_l3_hdr_offset = (u8 *) ip6 - b->data; + vnet_buffer_offload_flags_set (b, VNET_BUFFER_OFFLOAD_F_TNL_IPIP); + } } static void @@ -226,6 +252,12 @@ ipipm6_fixup (vlib_main_t *vm, const ip_adjacency_t *adj, vlib_buffer_t *b, clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) - sizeof (*ip6)); tunnel_encap_fixup_mplso6 (flags, b, (mpls_unicast_header_t *) (ip6 + 1), ip6); + + if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_GSO)) + { + vnet_buffer2 (b)->outer_l3_hdr_offset = (u8 *) ip6 - b->data; + vnet_buffer_offload_flags_set (b, VNET_BUFFER_OFFLOAD_F_TNL_IPIP); + } } static void @@ -245,7 +277,15 @@ ipipm4_fixup (vlib_main_t *vm, const ip_adjacency_t *adj, vlib_buffer_t *b, ip4->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) - sizeof (*ip4)); tunnel_encap_fixup_mplso4 (flags, (mpls_unicast_header_t *) (ip4 + 1), ip4); - ip4->checksum = ip4_header_checksum (ip4); + + if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_GSO)) + { + vnet_buffer2 (b)->outer_l3_hdr_offset = (u8 *) ip4 - b->data; + vnet_buffer_offload_flags_set (b, VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM | + VNET_BUFFER_OFFLOAD_F_TNL_IPIP); + } + else + ip4->checksum = ip4_header_checksum (ip4); } static void |