tcp_make_ack_i (tcp_connection_t * tc, vlib_buffer_t * b, tcp_state_t state,
u8 flags)
{
- tcp_options_t _snd_opts, *snd_opts = &_snd_opts;
+ tcp_options_t _snd_opts = {}, *snd_opts = &_snd_opts;
u8 tcp_opts_len, tcp_hdr_opts_len;
tcp_header_t *th;
u16 wnd;
u8 tcp_hdr_len, flags = 0;
tcp_header_t *th, *pkt_th;
u32 seq, ack, bi;
- ip4_header_t *ih4, *pkt_ih4;
- ip6_header_t *ih6, *pkt_ih6;
+ ip4_header_t *pkt_ih4;
+ ip6_header_t *pkt_ih6;
if (PREDICT_FALSE (!vlib_buffer_alloc (vm, &bi, 1)))
{
b = vlib_get_buffer (vm, bi);
tcp_init_buffer (vm, b);
+ vnet_buffer (b)->tcp.connection_index = tc->c_c_index;
/* Make and write options */
tcp_hdr_len = sizeof (tcp_header_t);
th = vlib_buffer_push_tcp_net_order (b, pkt_th->dst_port, pkt_th->src_port,
seq, ack, tcp_hdr_len, flags, 0);
-
- /* Swap src and dst ip */
- if (is_ip4)
- {
- ASSERT ((pkt_ih4->ip_version_and_header_length & 0xF0) == 0x40);
- ih4 = vlib_buffer_push_ip4 (vm, b, &pkt_ih4->dst_address,
- &pkt_ih4->src_address, IP_PROTOCOL_TCP,
- tcp_csum_offload (tc));
- th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ih4);
- }
- else
- {
- int bogus = ~0;
- ASSERT ((pkt_ih6->ip_version_traffic_class_and_flow_label & 0xF0) ==
- 0x60);
- ih6 = vlib_buffer_push_ip6_custom (vm, b, &pkt_ih6->dst_address,
- &pkt_ih6->src_address,
- IP_PROTOCOL_TCP,
- tc->ipv6_flow_label);
- th->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ih6, &bogus);
- ASSERT (!bogus);
- }
+ th->checksum = tcp_compute_checksum (tc, b);
tcp_enqueue_half_open (wrk, tc, b, bi);
TCP_EVT (TCP_EVT_RST_SENT, tc);
u32 n_left_from, *from, thread_index = vm->thread_index;
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
u16 nexts[VLIB_FRAME_SIZE], *next;
+ u16 err_counters[TCP_N_ERROR] = { 0 };
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
}
else
{
- b[0]->error = node->errors[TCP_ERROR_INVALID_CONNECTION];
+ tcp_inc_err_counter (err_counters, TCP_ERROR_INVALID_CONNECTION,
+ 1);
next[0] = TCP_OUTPUT_NEXT_DROP;
}
if (tc1 != 0)
}
else
{
- b[1]->error = node->errors[TCP_ERROR_INVALID_CONNECTION];
+ tcp_inc_err_counter (err_counters, TCP_ERROR_INVALID_CONNECTION,
+ 1);
next[1] = TCP_OUTPUT_NEXT_DROP;
}
}
}
else
{
- b[0]->error = node->errors[TCP_ERROR_INVALID_CONNECTION];
+ tcp_inc_err_counter (err_counters, TCP_ERROR_INVALID_CONNECTION, 1);
next[0] = TCP_OUTPUT_NEXT_DROP;
}
n_left_from -= 1;
}
+ tcp_store_err_counters (output, err_counters);
vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
vlib_node_increment_counter (vm, tcp_node_index (output, is_ip4),
TCP_ERROR_PKTS_SENT, frame->n_vectors);