{
tcp_main_t *tm = &tcp_main;
tcp_connection_t *listener;
+ void *iface_ip;
pool_get (tm->listener_pool, listener);
memset (listener, 0, sizeof (*listener));
listener->c_c_index = listener - tm->listener_pool;
- listener->c_lcl_port = clib_host_to_net_u16 (lcl->port);
+ listener->c_lcl_port = lcl->port;
- if (lcl->is_ip4)
+ /* If we are provided a sw_if_index, bind using one of its ips */
+ if (ip_is_zero (&lcl->ip, 1) && lcl->sw_if_index != ENDPOINT_INVALID_INDEX)
{
- listener->c_lcl_ip4.as_u32 = lcl->ip.ip4.as_u32;
- listener->c_is_ip4 = 1;
+ if ((iface_ip = ip_interface_get_first_ip (lcl->sw_if_index,
+ lcl->is_ip4)))
+ ip_set (&lcl->ip, iface_ip, lcl->is_ip4);
}
- else
- {
- clib_memcpy (&listener->c_lcl_ip6, &lcl->ip.ip6,
- sizeof (ip6_address_t));
-
- }
- listener->c_transport_proto = TRANSPORT_PROTO_TCP;
+ ip_copy (&listener->c_lcl_ip, &lcl->ip, lcl->is_ip4);
+ listener->c_is_ip4 = lcl->is_ip4;
+ listener->c_proto = TRANSPORT_PROTO_TCP;
listener->c_s_index = session_index;
+ listener->c_fib_index = lcl->fib_index;
listener->state = TCP_STATE_LISTEN;
tcp_connection_timers_init (listener);
return &tc->connection;
}
-always_inline void
-transport_endpoint_del (u32 tepi)
-{
- tcp_main_t *tm = vnet_get_tcp_main ();
- clib_spinlock_lock_if_init (&tm->local_endpoints_lock);
- pool_put_index (tm->local_endpoints, tepi);
- clib_spinlock_unlock_if_init (&tm->local_endpoints_lock);
-}
-
-always_inline transport_endpoint_t *
-transport_endpoint_new (void)
-{
- tcp_main_t *tm = vnet_get_tcp_main ();
- transport_endpoint_t *tep;
- pool_get (tm->local_endpoints, tep);
- return tep;
-}
-
/**
* Cleanup half-open connection
*
{
tcp_main_t *tm = vnet_get_tcp_main ();
tcp_connection_t *tc = 0;
+ ASSERT (vlib_get_thread_index () == 0);
pool_get (tm->half_open_connections, tc);
memset (tc, 0, sizeof (*tc));
tc->c_c_index = tc - tm->half_open_connections;
tcp_connection_cleanup (tcp_connection_t * tc)
{
tcp_main_t *tm = &tcp_main;
- u32 tepi;
- transport_endpoint_t *tep;
/* Cleanup local endpoint if this was an active connect */
- tepi = transport_endpoint_lookup (&tm->local_endpoints_table, &tc->c_lcl_ip,
- clib_net_to_host_u16 (tc->c_lcl_port));
- if (tepi != TRANSPORT_ENDPOINT_INVALID_INDEX)
- {
- tep = pool_elt_at_index (tm->local_endpoints, tepi);
- transport_endpoint_table_del (&tm->local_endpoints_table, tep);
- transport_endpoint_del (tepi);
- }
+ transport_endpoint_cleanup (TRANSPORT_PROTO_TCP, &tc->c_lcl_ip,
+ tc->c_lcl_port);
/* Check if connection is not yet fully established */
if (tc->state == TCP_STATE_SYN_SENT)
tcp_connection_cleanup (tc);
break;
case TCP_STATE_SYN_SENT:
- stream_session_connect_notify (&tc->connection, 1 /* fail */ );
+ session_stream_connect_notify (&tc->connection, 1 /* fail */ );
tcp_connection_cleanup (tc);
break;
case TCP_STATE_ESTABLISHED:
+ stream_session_reset_notify (&tc->connection);
+ /* fall through */
case TCP_STATE_CLOSE_WAIT:
case TCP_STATE_FIN_WAIT_1:
case TCP_STATE_FIN_WAIT_2:
/* Make sure all timers are cleared */
tcp_connection_timers_reset (tc);
- stream_session_reset_notify (&tc->connection);
/* Wait for cleanup from session layer but not forever */
tcp_timer_update (tc, TCP_TIMER_WAITCLOSE, TCP_CLEANUP_TIME);
tc->state = TCP_STATE_FIN_WAIT_1;
break;
case TCP_STATE_CLOSE_WAIT:
+ tcp_connection_timers_reset (tc);
tcp_send_fin (tc);
tc->state = TCP_STATE_LAST_ACK;
+ tcp_timer_update (tc, TCP_TIMER_WAITCLOSE, TCP_2MSL_TIME);
+ break;
+ case TCP_STATE_FIN_WAIT_1:
+ tcp_timer_update (tc, TCP_TIMER_WAITCLOSE, TCP_2MSL_TIME);
break;
default:
- clib_warning ("shouldn't be here");
+ TCP_DBG ("state: %u", tc->state);
}
TCP_EVT_DBG (TCP_EVT_STATE_CHANGE, tc);
/* If in CLOSED and WAITCLOSE timer is not set, delete connection now */
- if (tc->timers[TCP_TIMER_WAITCLOSE] == TCP_TIMER_HANDLE_INVALID
+ if (!tcp_timer_is_active (tc, TCP_TIMER_WAITCLOSE)
&& tc->state == TCP_STATE_CLOSED)
tcp_connection_del (tc);
}
{
tcp_connection_t *tc;
tc = tcp_connection_get (conn_index, thread_index);
+ tcp_connection_timers_reset (tc);
/* Wait for the session tx events to clear */
tc->state = TCP_STATE_CLOSED;
tcp_timer_update (tc, TCP_TIMER_WAITCLOSE, TCP_CLEANUP_TIME);
}
-void *
-ip_interface_get_first_ip (u32 sw_if_index, u8 is_ip4)
-{
- ip_lookup_main_t *lm4 = &ip4_main.lookup_main;
- ip_lookup_main_t *lm6 = &ip6_main.lookup_main;
- ip_interface_address_t *ia = 0;
-
- if (is_ip4)
- {
- /* *INDENT-OFF* */
- foreach_ip_interface_address (lm4, ia, sw_if_index, 1 /* unnumbered */ ,
- ({
- return ip_interface_address_get_address (lm4, ia);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- /* *INDENT-OFF* */
- foreach_ip_interface_address (lm6, ia, sw_if_index, 1 /* unnumbered */ ,
- ({
- ip6_address_t *rv;
- rv = ip_interface_address_get_address (lm6, ia);
- /* Trying to use a link-local ip6 src address is a fool's errand */
- if (!ip6_address_is_link_local_unicast (rv))
- return rv;
- }));
- /* *INDENT-ON* */
- }
-
- return 0;
-}
-
-#define PORT_MASK ((1 << 16)- 1)
-/**
- * Allocate local port and add if successful add entry to local endpoint
- * table to mark the pair as used.
- */
-int
-tcp_allocate_local_port (ip46_address_t * ip)
-{
- tcp_main_t *tm = vnet_get_tcp_main ();
- transport_endpoint_t *tep;
- u32 tei;
- u16 min = 1024, max = 65535; /* XXX configurable ? */
- int tries, limit;
-
- limit = max - min;
-
- /* Only support active opens from thread 0 */
- ASSERT (vlib_get_thread_index () == 0);
-
- /* Search for first free slot */
- for (tries = 0; tries < limit; tries++)
- {
- u16 port = 0;
-
- /* Find a port in the specified range */
- while (1)
- {
- port = random_u32 (&tm->port_allocator_seed) & PORT_MASK;
- if (PREDICT_TRUE (port >= min && port < max))
- break;
- }
-
- /* Look it up */
- tei = transport_endpoint_lookup (&tm->local_endpoints_table, ip, port);
- /* If not found, we're done */
- if (tei == TRANSPORT_ENDPOINT_INVALID_INDEX)
- {
- clib_spinlock_lock_if_init (&tm->local_endpoints_lock);
- tep = transport_endpoint_new ();
- clib_memcpy (&tep->ip, ip, sizeof (*ip));
- tep->port = port;
- transport_endpoint_table_add (&tm->local_endpoints_table, tep,
- tep - tm->local_endpoints);
- clib_spinlock_unlock_if_init (&tm->local_endpoints_lock);
-
- return tep->port;
- }
- }
- return -1;
-}
-
/**
* Initialize all connection timers as invalid
*/
clib_memcpy (&prefix.fp_addr, &tc->c_rmt_ip, sizeof (prefix.fp_addr));
prefix.fp_proto = tc->c_is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
prefix.fp_len = tc->c_is_ip4 ? 32 : 128;
- fib_index = fib_table_find (prefix.fp_proto, tc->c_vrf);
+ fib_index = fib_table_find (prefix.fp_proto, tc->c_fib_index);
return fib_table_lookup (fib_index, &prefix);
}
}
#endif /* 0 */
+/**
+ * Initialize connection send variables.
+ */
+void
+tcp_init_snd_vars (tcp_connection_t * tc)
+{
+ u32 time_now;
+
+ /*
+ * We use the time to randomize iss and for setting up the initial
+ * timestamp. Make sure it's updated otherwise syn and ack in the
+ * handshake may make it look as if time has flown in the opposite
+ * direction for us.
+ */
+ tcp_set_time_now (vlib_get_thread_index ());
+ time_now = tcp_time_now ();
+
+ tc->iss = random_u32 (&time_now);
+ tc->snd_una = tc->iss;
+ tc->snd_nxt = tc->iss + 1;
+ tc->snd_una_max = tc->snd_nxt;
+}
+
/** Initialize tcp connection variables
*
* Should be called after having received a msg from the peer, i.e., a SYN or
tcp_init_mss (tc);
scoreboard_init (&tc->sack_sb);
tcp_cc_init (tc);
+ if (tc->state == TCP_STATE_SYN_RCVD)
+ tcp_init_snd_vars (tc);
+
// tcp_connection_fib_attach (tc);
}
-int
-tcp_connection_open (transport_endpoint_t * rmt)
+static int
+tcp_alloc_custom_local_endpoint (tcp_main_t * tm, ip46_address_t * lcl_addr,
+ u16 * lcl_port, u8 is_ip4)
{
- tcp_main_t *tm = vnet_get_tcp_main ();
- tcp_connection_t *tc;
- fib_prefix_t prefix;
- fib_node_index_t fei;
- u32 sw_if_index, fib_index;
- ip46_address_t lcl_addr;
- int lcl_port;
-
- /*
- * Find the local address and allocate port
- */
- memset (&lcl_addr, 0, sizeof (lcl_addr));
-
- /* Find a FIB path to the destination */
- clib_memcpy (&prefix.fp_addr, &rmt->ip, sizeof (rmt->ip));
- prefix.fp_proto = rmt->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
- prefix.fp_len = rmt->is_ip4 ? 32 : 128;
-
- fib_index = fib_table_find (prefix.fp_proto, rmt->vrf);
- if (fib_index == (u32) ~ 0)
+ int index, port;
+ if (is_ip4)
{
- clib_warning ("no fib table");
- return -1;
+ index = tm->last_v4_address_rotor++;
+ if (tm->last_v4_address_rotor >= vec_len (tm->ip4_src_addresses))
+ tm->last_v4_address_rotor = 0;
+ lcl_addr->ip4.as_u32 = tm->ip4_src_addresses[index].as_u32;
}
-
- fei = fib_table_lookup (fib_index, &prefix);
-
- /* Couldn't find route to destination. Bail out. */
- if (fei == FIB_NODE_INDEX_INVALID)
+ else
{
- clib_warning ("no route to destination");
- return -1;
+ index = tm->last_v6_address_rotor++;
+ if (tm->last_v6_address_rotor >= vec_len (tm->ip6_src_addresses))
+ tm->last_v6_address_rotor = 0;
+ clib_memcpy (&lcl_addr->ip6, &tm->ip6_src_addresses[index],
+ sizeof (ip6_address_t));
}
-
- sw_if_index = fib_entry_get_resolving_interface (fei);
-
- if (sw_if_index == (u32) ~ 0)
+ port = transport_alloc_local_port (TRANSPORT_PROTO_TCP, lcl_addr);
+ if (port < 1)
{
- clib_warning ("no resolving interface for %U", format_ip46_address,
- &rmt->ip, IP46_TYPE_IP4);
+ clib_warning ("Failed to allocate src port");
return -1;
}
+ *lcl_port = port;
+ return 0;
+}
- if (rmt->is_ip4)
- {
- ip4_address_t *ip4;
- int index;
- if (vec_len (tm->ip4_src_addresses))
- {
- index = tm->last_v4_address_rotor++;
- if (tm->last_v4_address_rotor >= vec_len (tm->ip4_src_addresses))
- tm->last_v4_address_rotor = 0;
- lcl_addr.ip4.as_u32 = tm->ip4_src_addresses[index].as_u32;
- }
- else
- {
- ip4 = ip_interface_get_first_ip (sw_if_index, 1);
- lcl_addr.ip4.as_u32 = ip4->as_u32;
- }
- }
- else
- {
- ip6_address_t *ip6;
- int index;
-
- if (vec_len (tm->ip6_src_addresses))
- {
- index = tm->last_v6_address_rotor++;
- if (tm->last_v6_address_rotor >= vec_len (tm->ip6_src_addresses))
- tm->last_v6_address_rotor = 0;
- clib_memcpy (&lcl_addr.ip6, &tm->ip6_src_addresses[index],
- sizeof (*ip6));
- }
- else
- {
- ip6 = ip_interface_get_first_ip (sw_if_index, 0);
- if (ip6 == 0)
- {
- clib_warning ("no routable ip6 addresses on %U",
- format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index);
- return -1;
- }
+int
+tcp_connection_open (transport_endpoint_t * rmt)
+{
+ tcp_main_t *tm = vnet_get_tcp_main ();
+ tcp_connection_t *tc;
+ ip46_address_t lcl_addr;
+ u16 lcl_port;
+ int rv;
- clib_memcpy (&lcl_addr.ip6, ip6, sizeof (*ip6));
- }
- }
+ /*
+ * Allocate local endpoint
+ */
+ if ((rmt->is_ip4 && vec_len (tm->ip4_src_addresses))
+ || (!rmt->is_ip4 && vec_len (tm->ip6_src_addresses)))
+ rv = tcp_alloc_custom_local_endpoint (tm, &lcl_addr, &lcl_port,
+ rmt->is_ip4);
+ else
+ rv = transport_alloc_local_endpoint (TRANSPORT_PROTO_TCP,
+ rmt, &lcl_addr, &lcl_port);
- /* Allocate source port */
- lcl_port = tcp_allocate_local_port (&lcl_addr);
- if (lcl_port < 1)
- {
- clib_warning ("Failed to allocate src port");
- return -1;
- }
+ if (rv)
+ return -1;
/*
* Create connection and send SYN
*/
clib_spinlock_lock_if_init (&tm->half_open_lock);
tc = tcp_half_open_connection_new ();
- clib_memcpy (&tc->c_rmt_ip, &rmt->ip, sizeof (ip46_address_t));
- clib_memcpy (&tc->c_lcl_ip, &lcl_addr, sizeof (ip46_address_t));
- tc->c_rmt_port = clib_host_to_net_u16 (rmt->port);
+ ip_copy (&tc->c_rmt_ip, &rmt->ip, rmt->is_ip4);
+ ip_copy (&tc->c_lcl_ip, &lcl_addr, rmt->is_ip4);
+ tc->c_rmt_port = rmt->port;
tc->c_lcl_port = clib_host_to_net_u16 (lcl_port);
tc->c_is_ip4 = rmt->is_ip4;
- tc->c_transport_proto = TRANSPORT_PROTO_TCP;
- tc->c_vrf = rmt->vrf;
+ tc->c_proto = TRANSPORT_PROTO_TCP;
+ tc->c_fib_index = rmt->fib_index;
/* The other connection vars will be initialized after SYN ACK */
tcp_connection_timers_init (tc);
TCP_EVT_DBG (TCP_EVT_OPEN, tc);
tc->state = TCP_STATE_SYN_SENT;
+ tcp_init_snd_vars (tc);
tcp_send_syn (tc);
clib_spinlock_unlock_if_init (&tm->half_open_lock);
return s;
}
+const char *tcp_connection_flags_str[] = {
+#define _(sym, str) str,
+ foreach_tcp_connection_flag
+#undef _
+};
+
+u8 *
+format_tcp_connection_flags (u8 * s, va_list * args)
+{
+ tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+ int i, last = -1;
+
+ for (i = 0; i < TCP_CONN_N_FLAG_BITS; i++)
+ if (tc->flags & (1 << i))
+ last = i;
+ for (i = 0; i < last; i++)
+ {
+ if (tc->flags & (1 << i))
+ s = format (s, "%s, ", tcp_connection_flags_str[i]);
+ }
+ if (last >= 0)
+ s = format (s, "%s", tcp_connection_flags_str[last]);
+ return s;
+}
+
const char *tcp_conn_timers[] = {
#define _(sym, str) str,
foreach_tcp_timer
format_tcp_vars (u8 * s, va_list * args)
{
tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+ s = format (s, " flags: %U timers: %U\n", format_tcp_connection_flags, tc,
+ format_tcp_timers, tc);
s = format (s, " snd_una %u snd_nxt %u snd_una_max %u",
tc->snd_una - tc->iss, tc->snd_nxt - tc->iss,
tc->snd_una_max - tc->iss);
tc->snd_wnd, tc->rcv_wnd, tc->snd_wl1 - tc->irs,
tc->snd_wl2 - tc->iss);
s = format (s, " flight size %u send space %u rcv_wnd_av %d\n",
- tcp_flight_size (tc), tcp_available_snd_space (tc),
+ tcp_flight_size (tc), tcp_available_output_snd_space (tc),
tcp_rcv_wnd_available (tc));
s = format (s, " cong %U ", format_tcp_congestion_status, tc);
s = format (s, "cwnd %u ssthresh %u rtx_bytes %u bytes_acked %u\n",
s = format (s, "rtt_seq %u\n", tc->rtt_seq);
s = format (s, " tsval_recent %u tsval_recent_age %u\n", tc->tsval_recent,
tcp_time_now () - tc->tsval_recent_age);
- s = format (s, " scoreboard: %U\n", format_tcp_scoreboard, &tc->sack_sb,
- tc);
+ if (tc->state >= TCP_STATE_ESTABLISHED)
+ s = format (s, " scoreboard: %U\n", format_tcp_scoreboard, &tc->sack_sb,
+ tc);
if (vec_len (tc->snd_sacks))
s = format (s, " sacks tx: %U\n", format_tcp_sacks, tc);
tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
u32 verbose = va_arg (*args, u32);
+ if (!tc)
+ return s;
s = format (s, "%-50U", format_tcp_connection_id, tc);
if (verbose)
{
s = format (s, "%-15U", format_tcp_state, tc->state);
if (verbose > 1)
- s = format (s, " %U\n%U", format_tcp_timers, tc, format_tcp_vars, tc);
+ s = format (s, "\n%U", format_tcp_vars, tc);
}
return s;
/* If not snd_wnd constrained and we can't write at least a segment,
* don't try at all */
if (PREDICT_FALSE (snd_space < tc->snd_mss))
- return 0;
+ return snd_space < tc->cwnd ? 0 : snd_space;
/* round down to mss multiple */
return snd_space - (snd_space % tc->snd_mss);
return (tc->snd_nxt - tc->snd_una);
}
+void
+tcp_update_time (f64 now, u8 thread_index)
+{
+ tcp_set_time_now (thread_index);
+ tw_timer_expire_timers_16t_2w_512sl (&tcp_main.timer_wheels[thread_index],
+ now);
+ tcp_flush_frames_to_output (thread_index);
+}
+
/* *INDENT-OFF* */
const static transport_proto_vft_t tcp_proto = {
+ .enable = vnet_tcp_enable_disable,
.bind = tcp_session_bind,
.unbind = tcp_session_unbind,
.push_header = tcp_push_header,
.cleanup = tcp_session_cleanup,
.send_mss = tcp_session_send_mss,
.send_space = tcp_session_send_space,
+ .update_time = tcp_update_time,
.tx_fifo_offset = tcp_session_tx_fifo_offset,
.format_connection = format_tcp_session,
.format_listener = format_tcp_listener_session,
.format_half_open = format_tcp_half_open_session,
+ .tx_type = TRANSPORT_TX_PEEK,
+ .service_type = TRANSPORT_SERVICE_VC,
};
/* *INDENT-ON* */
if (tc)
{
ASSERT (tc->state == TCP_STATE_SYN_SENT);
- stream_session_connect_notify (&tc->connection, 1 /* fail */ );
+ session_stream_connect_notify (&tc->connection, 1 /* fail */ );
+ TCP_DBG ("establish pop: %U", format_tcp_connection, tc, 2);
}
else
{
tc = tcp_connection_get (conn_index, vlib_get_thread_index ());
+ /* note: the connection may have already disappeared */
+ if (PREDICT_FALSE (tc == 0))
+ return;
+ TCP_DBG ("establish pop: %U", format_tcp_connection, tc, 2);
ASSERT (tc->state == TCP_STATE_SYN_RCVD);
+ /* Start cleanup. App wasn't notified yet so use delete notify as
+ * opposed to delete to cleanup session layer state. */
+ stream_session_delete_notify (&tc->connection);
}
tc->timers[TCP_TIMER_ESTABLISH] = TCP_TIMER_HANDLE_INVALID;
tcp_connection_cleanup (tc);
tcp_main_enable (vlib_main_t * vm)
{
tcp_main_t *tm = vnet_get_tcp_main ();
- ip_protocol_info_t *pi;
- ip_main_t *im = &ip_main;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
clib_error_t *error = 0;
u32 num_threads;
- int i, thread;
+ int thread;
tcp_connection_t *tc __attribute__ ((unused));
u32 preallocated_connections_per_thread;
* Registrations
*/
- /* Register with IP */
- pi = ip_get_protocol_info (im, IP_PROTOCOL_TCP);
- if (pi == 0)
- return clib_error_return (0, "TCP protocol info AWOL");
- pi->format_header = format_tcp_header;
- pi->unformat_pg_edit = unformat_pg_tcp_header;
-
ip4_register_protocol (IP_PROTOCOL_TCP, tcp4_input_node.index);
ip6_register_protocol (IP_PROTOCOL_TCP, tcp6_input_node.index);
- /* Register as transport with session layer */
- session_register_transport (TRANSPORT_PROTO_TCP, 1, &tcp_proto);
- session_register_transport (TRANSPORT_PROTO_TCP, 0, &tcp_proto);
-
/*
* Initialize data structures
*/
}
for (; thread < num_threads; thread++)
{
- for (i = 0; i < preallocated_connections_per_thread; i++)
- pool_get (tm->connections[thread], tc);
-
- for (i = 0; i < preallocated_connections_per_thread; i++)
- pool_put_index (tm->connections[thread], i);
+ if (preallocated_connections_per_thread)
+ pool_init_fixed (tm->connections[thread],
+ preallocated_connections_per_thread);
}
/*
- * Preallocate half-open connections
+ * Use a preallocated half-open connection pool?
*/
- for (i = 0; i < tm->preallocated_half_open_connections; i++)
- pool_get (tm->half_open_connections, tc);
-
- for (i = 0; i < tm->preallocated_half_open_connections; i++)
- pool_put_index (tm->half_open_connections, i);
+ if (tm->preallocated_half_open_connections)
+ pool_init_fixed (tm->half_open_connections,
+ tm->preallocated_half_open_connections);
/* Initialize per worker thread tx buffers (used for control messages) */
vec_validate (tm->tx_buffers, num_threads - 1);
tm->tstamp_ticks_per_clock = vm->clib_time.seconds_per_clock
/ TCP_TSTAMP_RESOLUTION;
- if (tm->local_endpoints_table_buckets == 0)
- tm->local_endpoints_table_buckets = 250000;
- if (tm->local_endpoints_table_memory == 0)
- tm->local_endpoints_table_memory = 512 << 20;
-
- clib_bihash_init_24_8 (&tm->local_endpoints_table, "local endpoint table",
- tm->local_endpoints_table_buckets,
- tm->local_endpoints_table_memory);
-
- /* Initialize [port-allocator] random number seed */
- tm->port_allocator_seed = (u32) clib_cpu_time_now ();
-
if (num_threads > 1)
{
clib_spinlock_init (&tm->half_open_lock);
- clib_spinlock_init (&tm->local_endpoints_lock);
}
vec_validate (tm->tx_frames[0], num_threads - 1);
vec_validate (tm->tx_frames[1], num_threads - 1);
+ vec_validate (tm->ip_lookup_tx_frames[0], num_threads - 1);
+ vec_validate (tm->ip_lookup_tx_frames[1], num_threads - 1);
tm->bytes_per_buffer = vlib_buffer_free_list_buffer_size
(vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
return 0;
}
+void
+tcp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add)
+{
+ tcp_main_t *tm = &tcp_main;
+ if (is_ip4)
+ tm->punt_unknown4 = is_add;
+ else
+ tm->punt_unknown6 = is_add;
+}
+
clib_error_t *
tcp_init (vlib_main_t * vm)
{
tcp_main_t *tm = vnet_get_tcp_main ();
+ ip_main_t *im = &ip_main;
+ ip_protocol_info_t *pi;
+
+ /* Session layer, and by implication tcp, are disabled by default */
tm->is_enabled = 0;
+
+ /* Register with IP for header parsing */
+ pi = ip_get_protocol_info (im, IP_PROTOCOL_TCP);
+ if (pi == 0)
+ return clib_error_return (0, "TCP protocol info AWOL");
+ pi->format_header = format_tcp_header;
+ pi->unformat_pg_edit = unformat_pg_tcp_header;
+
+ /* Register as transport with session layer */
+ transport_register_protocol (TRANSPORT_PROTO_TCP, &tcp_proto,
+ FIB_PROTOCOL_IP4, tcp4_output_node.index);
+ transport_register_protocol (TRANSPORT_PROTO_TCP, &tcp_proto,
+ FIB_PROTOCOL_IP6, tcp6_output_node.index);
+
tcp_api_reference ();
return 0;
}
tcp_config_fn (vlib_main_t * vm, unformat_input_t * input)
{
tcp_main_t *tm = vnet_get_tcp_main ();
- u64 tmp;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
else if (unformat (input, "preallocated-half-open-connections %d",
&tm->preallocated_half_open_connections))
;
- else if (unformat (input, "local-endpoints-table-memory %U",
- unformat_memory_size, &tmp))
- {
- if (tmp >= 0x100000000)
- return clib_error_return (0, "memory size %llx (%lld) too large",
- tmp, tmp);
- tm->local_endpoints_table_memory = tmp;
- }
- else if (unformat (input, "local-endpoints-table-buckets %d",
- &tm->local_endpoints_table_buckets))
+ else if (unformat (input, "buffer-fail-fraction %f",
+ &tm->buffer_fail_fraction))
;
-
-
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
v6set = 1;
else if (unformat (input, "%U", unformat_ip6_address, &v6start))
{
- memcpy (&v6end, &v6start, sizeof (v4start));
+ memcpy (&v6end, &v6start, sizeof (v6start));
v6set = 1;
}
else if (unformat (input, "fib-table %d", &table_id))
};
/* *INDENT-ON* */
+static clib_error_t *
+show_tcp_punt_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ tcp_main_t *tm = vnet_get_tcp_main ();
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ return clib_error_return (0, "unknown input `%U'", format_unformat_error,
+ input);
+ vlib_cli_output (vm, "IPv4 TCP punt: %s",
+ tm->punt_unknown4 ? "enabled" : "disabled");
+ vlib_cli_output (vm, "IPv6 TCP punt: %s",
+ tm->punt_unknown6 ? "enabled" : "disabled");
+ return 0;
+}
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_tcp_punt_command, static) =
+{
+ .path = "show tcp punt",
+ .short_help = "show tcp punt",
+ .function = show_tcp_punt_fn,
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff