X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Finterface_output.h;h=27aadc6c5fdac3e8a275384cb1b162066deb3c49;hb=40ee2003b;hp=198ca28256663c90939e58a2838775e76cc45993;hpb=1bd2c019eba5c893d634cc496bd6d54c00020d7e;p=vpp.git diff --git a/src/vnet/interface_output.h b/src/vnet/interface_output.h index 198ca282566..27aadc6c5fd 100644 --- a/src/vnet/interface_output.h +++ b/src/vnet/interface_output.h @@ -41,73 +41,72 @@ #define __INTERFACE_INLINES_H__ #include -#include +#include + +static_always_inline void +vnet_calc_ip4_checksums (vlib_main_t *vm, vlib_buffer_t *b, ip4_header_t *ip4, + tcp_header_t *th, udp_header_t *uh, u32 oflags) +{ + if (oflags & VNET_BUFFER_OFFLOAD_F_IP_CKSUM) + ip4->checksum = ip4_header_checksum (ip4); + if (oflags & VNET_BUFFER_OFFLOAD_F_TCP_CKSUM) + { + th->checksum = 0; + th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); + } + if (oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM) + { + uh->checksum = 0; + uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); + } +} + +static_always_inline void +vnet_calc_ip6_checksums (vlib_main_t *vm, vlib_buffer_t *b, ip6_header_t *ip6, + tcp_header_t *th, udp_header_t *uh, u32 oflags) +{ + int bogus; + if (oflags & VNET_BUFFER_OFFLOAD_F_TCP_CKSUM) + { + th->checksum = 0; + th->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus); + } + if (oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM) + { + uh->checksum = 0; + uh->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus); + } +} static_always_inline void vnet_calc_checksums_inline (vlib_main_t * vm, vlib_buffer_t * b, - int is_ip4, int is_ip6, int with_gso) + int is_ip4, int is_ip6) { ip4_header_t *ip4; ip6_header_t *ip6; tcp_header_t *th; udp_header_t *uh; + u32 oflags = vnet_buffer2 (b)->oflags; ASSERT (!(is_ip4 && is_ip6)); - if (with_gso) - { - gso_header_offset_t gho; - gho = vnet_gso_header_offset_parser (b, is_ip6); - ip4 = (ip4_header_t *) - (vlib_buffer_get_current (b) + gho.l3_hdr_offset); - ip6 = (ip6_header_t *) - (vlib_buffer_get_current (b) + gho.l3_hdr_offset); - th = (tcp_header_t *) (vlib_buffer_get_current (b) + gho.l4_hdr_offset); - uh = (udp_header_t *) (vlib_buffer_get_current (b) + gho.l4_hdr_offset); - } - else - { - ip4 = (ip4_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset); - ip6 = (ip6_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset); - th = (tcp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); - uh = (udp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); - } + ip4 = (ip4_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset); + ip6 = (ip6_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset); + th = (tcp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); + uh = (udp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); if (is_ip4) { - if (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM) - ip4->checksum = ip4_header_checksum (ip4); - if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) - { - th->checksum = 0; - th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); - } - if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM) - { - uh->checksum = 0; - uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); - } + vnet_calc_ip4_checksums (vm, b, ip4, th, uh, oflags); } - if (is_ip6) + else if (is_ip6) { - int bogus; - if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) - { - th->checksum = 0; - th->checksum = - ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus); - } - if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM) - { - uh->checksum = 0; - uh->checksum = - ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus); - } + vnet_calc_ip6_checksums (vm, b, ip6, th, uh, oflags); } - b->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM; - b->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM; - b->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM; + vnet_buffer_offload_flags_clear (b, (VNET_BUFFER_OFFLOAD_F_IP_CKSUM | + VNET_BUFFER_OFFLOAD_F_UDP_CKSUM | + VNET_BUFFER_OFFLOAD_F_TCP_CKSUM)); } #endif