#include <vnet/udp/udp_packet.h>
#include <vnet/feature/feature.h>
#include <vnet/classify/trace_classify.h>
+#include <vnet/interface_output.h>
typedef struct
{
}
}
-static_always_inline void
-calc_checksums (vlib_main_t * vm, vlib_buffer_t * b)
-{
- tcp_header_t *th;
- udp_header_t *uh;
-
- int is_ip4 = (b->flags & VNET_BUFFER_F_IS_IP4) != 0;
- int is_ip6 = (b->flags & VNET_BUFFER_F_IS_IP6) != 0;
-
- ASSERT (!(is_ip4 && is_ip6));
-
- 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)
- {
- ip4_header_t *ip4;
-
- ip4 = (ip4_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset);
- 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);
- }
- else if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)
- uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
- }
- else if (is_ip6)
- {
- int bogus;
- ip6_header_t *ip6;
-
- ip6 = (ip6_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset);
- if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM)
- {
- th->checksum = 0;
- th->checksum =
- ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus);
- }
- else if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)
- {
- uh->checksum = 0;
- uh->checksum =
- ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus);
- }
- }
- b->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
- b->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
- b->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
-}
-
static_always_inline uword
vnet_interface_output_node_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
VNET_BUFFER_F_OFFLOAD_UDP_CKSUM |
VNET_BUFFER_F_OFFLOAD_IP_CKSUM))
{
- calc_checksums (vm, b[0]);
- calc_checksums (vm, b[1]);
- calc_checksums (vm, b[2]);
- calc_checksums (vm, b[3]);
+ vnet_calc_checksums_inline
+ (vm, b[0],
+ b[0]->flags & VNET_BUFFER_F_IS_IP4,
+ b[0]->flags & VNET_BUFFER_F_IS_IP6, 1 /* with gso */ );
+ vnet_calc_checksums_inline
+ (vm, b[1],
+ b[1]->flags & VNET_BUFFER_F_IS_IP4,
+ b[1]->flags & VNET_BUFFER_F_IS_IP6, 1 /* with gso */ );
+ vnet_calc_checksums_inline
+ (vm, b[2],
+ b[2]->flags & VNET_BUFFER_F_IS_IP4,
+ b[2]->flags & VNET_BUFFER_F_IS_IP6, 1 /* with gso */ );
+ vnet_calc_checksums_inline
+ (vm, b[3],
+ b[3]->flags & VNET_BUFFER_F_IS_IP4,
+ b[3]->flags & VNET_BUFFER_F_IS_IP6, 1 /* with gso */ );
}
}
b += 4;
(VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
VNET_BUFFER_F_OFFLOAD_UDP_CKSUM |
VNET_BUFFER_F_OFFLOAD_IP_CKSUM))
- calc_checksums (vm, b[0]);
+ vnet_calc_checksums_inline
+ (vm, b[0],
+ b[0]->flags & VNET_BUFFER_F_IS_IP4,
+ b[0]->flags & VNET_BUFFER_F_IS_IP6, 1 /* with gso */ );
}
b += 1;
}
sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
if (pp->pcap_sw_if_index == 0 || pp->pcap_sw_if_index == sw_if_index)
- pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt);
+ {
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi =
+ vnet_get_sup_hw_interface (vnm, sw_if_index);
+ /* Capture pkt if not filtered, or if filter hits */
+ if (hi->trace_classify_table_index == ~0 ||
+ vnet_is_packet_traced_inline
+ (b0, hi->trace_classify_table_index, 0 /* full classify */ ))
+ pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt);
+ }
}
}