ligang/vpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

af_packet: add the missing header-len for packets with checksum offload

Browse Source 
Type: fix

Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: Ifb790c25b38b2b1865cda7d95891bddd4195c601
This commit is contained in:
Mohsin Kazmi
2023-01-18 19:34:00 +00:00
parent 2ebb95228f
commit 8a0fd06690
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/plugins/af_packet/device.c
View File

@@ -343,6 +343,7 @@ fill_cksum_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
(tcp_header_t *) (b0->data + vnet_buffer (b0)->l4_hdr_offset);
tcp->checksum = ip4_pseudo_header_cksum (ip4);
vnet_hdr->csum_offset = STRUCT_OFFSET_OF (tcp_header_t, checksum);
vnet_hdr->hdr_len = l4_hdr_offset + tcp_header_bytes (tcp);
}
else if (oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM)
{
@@ -350,6 +351,7 @@ fill_cksum_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
(udp_header_t *) (b0->data + vnet_buffer (b0)->l4_hdr_offset);
udp->checksum = ip4_pseudo_header_cksum (ip4);
vnet_hdr->csum_offset = STRUCT_OFFSET_OF (udp_header_t, checksum);
vnet_hdr->hdr_len = l4_hdr_offset + sizeof (udp_header_t);
}
}
else if (b0->flags & VNET_BUFFER_F_IS_IP6)
@@ -364,6 +366,7 @@ fill_cksum_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
(tcp_header_t *) (b0->data + vnet_buffer (b0)->l4_hdr_offset);
tcp->checksum = ip6_pseudo_header_cksum (ip6);
vnet_hdr->csum_offset = STRUCT_OFFSET_OF (tcp_header_t, checksum);
vnet_hdr->hdr_len = l4_hdr_offset + tcp_header_bytes (tcp);
}
else if (oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM)
{
@@ -371,6 +374,7 @@ fill_cksum_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
(udp_header_t *) (b0->data + vnet_buffer (b0)->l4_hdr_offset);
udp->checksum = ip6_pseudo_header_cksum (ip6);
vnet_hdr->csum_offset = STRUCT_OFFSET_OF (udp_header_t, checksum);
vnet_hdr->hdr_len = l4_hdr_offset + sizeof (udp_header_t);
}
}
}