diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2022-04-11 12:52:28 +0000 |
|---|---|---|
| committer |   Beno�t Ganne <bganne@cisco.com> | 2022-04-19 12:39:12 +0000 |
| commit | e0c875551fa0cd49131671be0f521801e06764f8 (patch) | |
| tree | 8b05869819c79dae96d6d2cf8bf9df07ca8ae0fd | |
| parent | 8c2bdf86199729e2a7c0564f989690e3e076a19c (diff) | |
devices: remove redundant access in af-packet input
Type: fix
current_data is set to 0 for each packet in af-packet input node.
It is not required to include it to calculate the headers offset.
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I538d8c04e24c758155b3f8d6a1532472ef549459
| -rw-r--r-- | src/vnet/devices/af_packet/node.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c index 239c781a76f..1fc061982c1 100644 --- a/src/vnet/devices/af_packet/node.c +++ b/src/vnet/devices/af_packet/node.c @@ -149,7 +149,7 @@ fill_cksum_offload (vlib_buffer_t *b, u8 *l4_hdr_sz, u8 is_ip) } else { - ethernet_header_t *eth = vlib_buffer_get_current (b); + ethernet_header_t *eth = (ethernet_header_t *) b->data; ethertype = clib_net_to_host_u16 (eth->type); l2hdr_sz = sizeof (ethernet_header_t); if (ethernet_frame_is_tagged (ethertype)) @@ -172,7 +172,7 @@ fill_cksum_offload (vlib_buffer_t *b, u8 *l4_hdr_sz, u8 is_ip) if (ethertype == ETHERNET_TYPE_IP4) { - ip4_header_t *ip4 = (vlib_buffer_get_current (b) + l2hdr_sz); + ip4_header_t *ip4 = (ip4_header_t *) (b->data + l2hdr_sz); vnet_buffer (b)->l4_hdr_offset = l2hdr_sz + ip4_header_bytes (ip4); b->flags |= (VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_L2_HDR_OFFSET_VALID | VNET_BUFFER_F_L3_HDR_OFFSET_VALID | @@ -182,7 +182,7 @@ fill_cksum_offload (vlib_buffer_t *b, u8 *l4_hdr_sz, u8 is_ip) } else if (ethertype == ETHERNET_TYPE_IP6) { - ip6_header_t *ip6 = (vlib_buffer_get_current (b) + l2hdr_sz); + ip6_header_t *ip6 = (ip6_header_t *) (b->data + l2hdr_sz); b->flags |= (VNET_BUFFER_F_IS_IP6 | VNET_BUFFER_F_L2_HDR_OFFSET_VALID | VNET_BUFFER_F_L3_HDR_OFFSET_VALID | VNET_BUFFER_F_L4_HDR_OFFSET_VALID); @@ -207,8 +207,8 @@ fill_cksum_offload (vlib_buffer_t *b, u8 *l4_hdr_sz, u8 is_ip) if (l4_proto == IP_PROTOCOL_TCP) { oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM; - tcp_header_t *tcp = (tcp_header_t *) (vlib_buffer_get_current (b) + - vnet_buffer (b)->l4_hdr_offset); + tcp_header_t *tcp = + (tcp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); *l4_hdr_sz = tcp_header_bytes (tcp); } else if (l4_proto == IP_PROTOCOL_UDP) |