/* All TCP nodes have the same outgoing arcs */
#define foreach_tcp_state_next \
- _ (DROP, "error-drop") \
+ _ (DROP4, "ip4-drop") \
+ _ (DROP6, "ip6-drop") \
_ (TCP4_OUTPUT, "tcp4-output") \
_ (TCP6_OUTPUT, "tcp6-output")
#define tcp_next_output(is_ip4) (is_ip4 ? TCP_NEXT_TCP4_OUTPUT \
: TCP_NEXT_TCP6_OUTPUT)
+#define tcp_next_drop(is_ip4) (is_ip4 ? TCP_NEXT_DROP4 \
+ : TCP_NEXT_DROP6)
+
vlib_node_registration_t tcp4_established_node;
vlib_node_registration_t tcp6_established_node;
if (seq_lt (vnet_buffer (b)->tcp.seq_number, tc->rcv_nxt))
{
error = TCP_ERROR_SEGMENT_OLD;
- *next0 = TCP_NEXT_DROP;
+ *next0 = tcp_next_drop (tc->c_is_ip4);
/* Completely in the past (possible retransmit) */
if (seq_leq (vnet_buffer (b)->tcp.seq_end, tc->rcv_nxt))
vlib_buffer_t *b0;
tcp_header_t *th0 = 0;
tcp_connection_t *tc0;
- u32 next0 = TCP_ESTABLISHED_NEXT_DROP, error0 = TCP_ERROR_ENQUEUED;
+ u32 next0 = tcp_next_drop (is_ip4), error0 = TCP_ERROR_ENQUEUED;
bi0 = from[0];
to_next[0] = bi0;
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
tcp_connection_t *new_tc0;
- u32 next0 = TCP_SYN_SENT_NEXT_DROP, error0 = TCP_ERROR_ENQUEUED;
+ u32 next0 = tcp_next_drop (is_ip4), error0 = TCP_ERROR_ENQUEUED;
bi0 = from[0];
to_next[0] = bi0;
vlib_buffer_t *b0;
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
- u32 next0 = TCP_RCV_PROCESS_NEXT_DROP, error0 = TCP_ERROR_ENQUEUED;
+ u32 next0 = tcp_next_drop (is_ip4), error0 = TCP_ERROR_ENQUEUED;
u8 is_fin0;
bi0 = from[0];
/* Switch state to ESTABLISHED */
tc0->state = TCP_STATE_ESTABLISHED;
+ TCP_EVT_DBG (TCP_EVT_STATE_CHANGE, tc0);
/* Initialize session variables */
tc0->snd_una = vnet_buffer (b0)->tcp.ack_number;
<< tc0->rcv_opts.wscale;
tc0->snd_wl1 = vnet_buffer (b0)->tcp.seq_number;
tc0->snd_wl2 = vnet_buffer (b0)->tcp.ack_number;
- stream_session_accept_notify (&tc0->connection);
/* Reset SYN-ACK retransmit and SYN_RCV establish timers */
tcp_retransmit_timer_reset (tc0);
tcp_timer_reset (tc0, TCP_TIMER_ESTABLISH);
- TCP_EVT_DBG (TCP_EVT_STATE_CHANGE, tc0);
+
+ stream_session_accept_notify (&tc0->connection);
break;
case TCP_STATE_ESTABLISHED:
/* We can get packets in established state here because they
ip4_header_t *ip40;
ip6_header_t *ip60;
tcp_connection_t *child0;
- u32 error0 = TCP_ERROR_SYNS_RCVD, next0 = TCP_LISTEN_NEXT_DROP;
+ u32 error0 = TCP_ERROR_SYNS_RCVD, next0 = tcp_next_drop (is_ip4);
bi0 = from[0];
to_next[0] = bi0;
} tcp_input_next_t;
#define foreach_tcp4_input_next \
- _ (DROP, "error-drop") \
+ _ (DROP, "ip4-drop") \
_ (LISTEN, "tcp4-listen") \
_ (RCV_PROCESS, "tcp4-rcv-process") \
_ (SYN_SENT, "tcp4-syn-sent") \
_ (ESTABLISHED, "tcp4-established") \
_ (RESET, "tcp4-reset") \
- _ (PUNT, "error-punt")
+ _ (PUNT, "ip4-punt")
#define foreach_tcp6_input_next \
- _ (DROP, "error-drop") \
+ _ (DROP, "ip6-drop") \
_ (LISTEN, "tcp6-listen") \
_ (RCV_PROCESS, "tcp6-rcv-process") \
_ (SYN_SENT, "tcp6-syn-sent") \
_ (ESTABLISHED, "tcp6-established") \
_ (RESET, "tcp6-reset") \
- _ (PUNT, "error-punt")
+ _ (PUNT, "ip6-punt")
#define filter_flags (TCP_FLAG_SYN|TCP_FLAG_ACK|TCP_FLAG_RST|TCP_FLAG_FIN)