diff options
| author |   Mauro Sardara <msardara@cisco.com> | 2020-11-09 19:56:31 +0100 |
|---|---|---|
| committer | Mauro Sardara <msardara@cisco.com> | 2020-11-10 12:34:12 +0000 |
| commit | f87f19fa389a1edea861faaabc972d508a58985c (patch) | |
| tree | 9305042a486c234e61d048ea43f59fc36da63147 /hicn-plugin | |
| parent | c1de1ea148175650dfeab648d946e3266fdee117 (diff) | |
[HICN-651] Offload checksum computation to VPP.
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I42d69455542f3def0076fe58020f8f10347ef83f
Diffstat (limited to 'hicn-plugin')
| -rw-r--r-- | hicn-plugin/src/faces/face_node.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/hicn-plugin/src/faces/face_node.c b/hicn-plugin/src/faces/face_node.c index e1fd81ca0..fd8649e6b 100644 --- a/hicn-plugin/src/faces/face_node.c +++ b/hicn-plugin/src/faces/face_node.c @@ -558,19 +558,34 @@ hicn_face_rewrite_interest (vlib_main_t * vm, vlib_buffer_t * b0, /* return; */ hicn_header_t *hicn = vlib_buffer_get_current (b0); + size_t l3_header_size = sizeof(ip6_header_t); //hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; ip46_address_t temp_addr; ip46_address_reset (&temp_addr); hicn_type_t type = hicn_get_buffer (b0)->type; - hicn_ops_vft[type.l1]->rewrite_interest (type, &hicn->protocol, - &face->nat_addr, &temp_addr); + int ret = hicn_ops_vft[type.l1]->rewrite_interest (type, &hicn->protocol, + &face->nat_addr, &temp_addr); - if (ip46_address_is_ip4(&face->nat_addr)) + if (ip46_address_is_ip4(&face->nat_addr)) { b0->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM; + l3_header_size = sizeof(ip4_header_t); + } + + if (ret == HICN_LIB_ERROR_REWRITE_CKSUM_REQUIRED) { + b0->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM; - b0->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM; + /* Make sure l3_hdr_offset and l4_hdr_offset are set */ + if (!(b0->flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID)) { + b0->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID; + vnet_buffer (b0)->l3_hdr_offset = b0->current_data; + } + if (!(b0->flags & VNET_BUFFER_F_L4_HDR_OFFSET_VALID)) { + b0->flags |= VNET_BUFFER_F_L4_HDR_OFFSET_VALID; + vnet_buffer (b0)->l4_hdr_offset = vnet_buffer (b0)->l3_hdr_offset + l3_header_size; + } + } ASSERT(face->flags & HICN_FACE_FLAGS_FACE); |