diff options
Diffstat (limited to 'src/vnet/adj/adj_dp.h')
| -rw-r--r-- | src/vnet/adj/adj_dp.h | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/src/vnet/adj/adj_dp.h b/src/vnet/adj/adj_dp.h index aff1a2b1f43..186044b90ad 100644 --- a/src/vnet/adj/adj_dp.h +++ b/src/vnet/adj/adj_dp.h @@ -36,22 +36,36 @@ adj_midchain_ipip44_fixup (vlib_main_t * vm, ip4->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b)); if (PREDICT_TRUE(TUNNEL_ENCAP_DECAP_FLAG_NONE == flags)) - { - ip_csum_t sum; - u16 old,new; - - old = 0; - new = ip4->length; - - sum = ip4->checksum; - sum = ip_csum_update (sum, old, new, ip4_header_t, length); - ip4->checksum = ip_csum_fold (sum); - } + { + 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_TNL_IPIP | + VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM); + } + else + { + ip_csum_t sum; + u16 old,new; + old = 0; + new = ip4->length; + sum = ip4->checksum; + sum = ip_csum_update (sum, old, new, ip4_header_t, length); + ip4->checksum = ip_csum_fold (sum); + } + } else - { + { 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_TNL_IPIP | + VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM); + } + else + ip4->checksum = ip4_header_checksum (ip4); + } } static_always_inline void |