diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2021-02-23 15:55:04 +0100 |
|---|---|---|
| committer |   Beno�t Ganne <bganne@cisco.com> | 2021-10-01 10:04:24 +0000 |
| commit | f5462369f3ad22c9d19f54832faa2b6e61449f66 (patch) | |
| tree | af4c5d3a0218f482b92501b81bdae36cfcfc4d20 /src/vnet/devices/af_packet | |
| parent | de3caf37c64431c199fe649256b268010ce6a4f3 (diff) | |
devices: add support for pseudo header checksum
Type: improvement
Linux uses pseudo header checksum when checksum of l4 is offloaded.
This patch adds similar support in virtual interfaces.
Change-Id: I6a94d1104e59356f95057e7c122e3be9cd8659a3
Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/af_packet')
| -rw-r--r-- | src/vnet/devices/af_packet/node.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c index caddcfa416b..e2f87b10b35 100644 --- a/src/vnet/devices/af_packet/node.c +++ b/src/vnet/devices/af_packet/node.c @@ -132,7 +132,6 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t *b, u8 *l4_hdr_sz) tcp_header_t *tcp = (tcp_header_t *) (vlib_buffer_get_current (b) + sizeof (ethernet_header_t) + ip4_header_bytes (ip4)); - tcp->checksum = 0; *l4_hdr_sz = tcp_header_bytes (tcp); } else if (ip4->protocol == IP_PROTOCOL_UDP) @@ -141,7 +140,6 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t *b, u8 *l4_hdr_sz) udp_header_t *udp = (udp_header_t *) (vlib_buffer_get_current (b) + sizeof (ethernet_header_t) + ip4_header_bytes (ip4)); - udp->checksum = 0; *l4_hdr_sz = sizeof (*udp); } vnet_buffer (b)->l3_hdr_offset = sizeof (ethernet_header_t); @@ -172,7 +170,6 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t *b, u8 *l4_hdr_sz) tcp_header_t *tcp = (tcp_header_t *) (vlib_buffer_get_current (b) + sizeof (ethernet_header_t) + ip6_hdr_len); - tcp->checksum = 0; *l4_hdr_sz = tcp_header_bytes (tcp); } else if (ip6->protocol == IP_PROTOCOL_UDP) @@ -181,7 +178,6 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t *b, u8 *l4_hdr_sz) udp_header_t *udp = (udp_header_t *) (vlib_buffer_get_current (b) + sizeof (ethernet_header_t) + ip6_hdr_len); - udp->checksum = 0; *l4_hdr_sz = sizeof (*udp); } vnet_buffer (b)->l3_hdr_offset = sizeof (ethernet_header_t); |