} phu;
/* pseudo-header */
- memset (&phu, 0, sizeof (phu));
+ clib_memset (&phu, 0, sizeof (phu));
phu.ph.ph_src = ip6->src_address;
phu.ph.ph_dst = ip6->dst_address;
phu.ph.ph_len = clib_host_to_net_u32 (len);
{
switch (version)
{
- case IP4:
+ case AF_IP4:
return (udp_ip4_checksum (uh, udp_len,
((ip4_header_t *) ih)->src_address.as_u8,
((ip4_header_t *) ih)->dst_address.as_u8));
- case IP6:
+ case AF_IP6:
return (udp_ip6_checksum (ih, uh, udp_len));
default:
return ~0;
void *
pkt_push_ip (vlib_main_t * vm, vlib_buffer_t * b, ip_address_t * src,
- ip_address_t * dst, u32 proto)
+ ip_address_t * dst, u32 proto, u8 csum_offload)
{
if (ip_addr_version (src) != ip_addr_version (dst))
{
switch (ip_addr_version (src))
{
- case IP4:
+ case AF_IP4:
return vlib_buffer_push_ip4 (vm, b, &ip_addr_v4 (src),
- &ip_addr_v4 (dst), proto);
+ &ip_addr_v4 (dst), proto, csum_offload);
break;
- case IP6:
+ case AF_IP6:
return vlib_buffer_push_ip6 (vm, b, &ip_addr_v6 (src),
&ip_addr_v6 (dst), proto);
break;
void *
pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t * b, u16 sp, u16 dp,
- ip_address_t * sip, ip_address_t * dip)
+ ip_address_t * sip, ip_address_t * dip, u8 csum_offload)
{
u16 udpsum;
udp_header_t *uh;
uh = pkt_push_udp (vm, b, sp, dp);
- ih = pkt_push_ip (vm, b, sip, dip, IP_PROTOCOL_UDP);
-
- udpsum = udp_checksum (uh, clib_net_to_host_u16 (uh->length), ih,
- ip_addr_version (sip));
- if (udpsum == (u16) ~ 0)
+ if (csum_offload)
{
- clib_warning ("Failed UDP checksum! Discarding");
- return 0;
+ ih = pkt_push_ip (vm, b, sip, dip, IP_PROTOCOL_UDP, 1);
+ b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
+ vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data;
+ uh->checksum = 0;
+ }
+ else
+ {
+ ih = pkt_push_ip (vm, b, sip, dip, IP_PROTOCOL_UDP, 0);
+ udpsum = udp_checksum (uh, clib_net_to_host_u16 (uh->length), ih,
+ ip_addr_version (sip));
+ if (udpsum == (u16) ~ 0)
+ {
+ clib_warning ("Failed UDP checksum! Discarding");
+ return 0;
+ }
+ /* clear flags used for csum since we're not offloading */
+ b->flags &= ~(VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_IS_IP6);
+ uh->checksum = udpsum;
}
- uh->checksum = udpsum;
return ih;
}
ecm_hdr_t *h;
h = vlib_buffer_push_uninit (b, sizeof (h[0]));
- memset (h, 0, sizeof (h[0]));
+ clib_memset (h, 0, sizeof (h[0]));
h->type = LISP_ENCAP_CONTROL_TYPE;
- memset (h->reserved2, 0, sizeof (h->reserved2));
+ clib_memset (h->reserved2, 0, sizeof (h->reserved2));
return h;
}