/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2016-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
#include <vnet/dpo/load_balance.h>
#include <vnet/fib/ip4_fib.h>
+udp_main_t udp_main;
+
udp_connection_t *
udp_connection_alloc (u32 thread_index)
{
void
udp_connection_free (udp_connection_t * uc)
{
- pool_put (udp_main.connections[uc->c_thread_index], uc);
+ u32 thread_index = uc->c_thread_index;
if (CLIB_DEBUG)
clib_memset (uc, 0xFA, sizeof (*uc));
+ pool_put (udp_main.connections[thread_index], uc);
+}
+
+void
+udp_connection_delete (udp_connection_t * uc)
+{
+ if ((uc->flags & UDP_CONN_F_OWNS_PORT)
+ || !(uc->flags & UDP_CONN_F_CONNECTED))
+ udp_unregister_dst_port (vlib_get_main (),
+ clib_net_to_host_u16 (uc->c_lcl_port),
+ uc->c_is_ip4);
+ session_transport_delete_notify (&uc->connection);
+ udp_connection_free (uc);
}
u32
void *iface_ip;
udp_dst_port_info_t *pi;
- pi = udp_get_dst_port_info (um, lcl->port, lcl->is_ip4);
+ pi =
+ udp_get_dst_port_info (um, clib_net_to_host_u16 (lcl->port), lcl->is_ip4);
if (pi)
return -1;
listener->c_proto = TRANSPORT_PROTO_UDP;
listener->c_s_index = session_index;
listener->c_fib_index = lcl->fib_index;
+ listener->flags |= UDP_CONN_F_OWNS_PORT;
clib_spinlock_init (&listener->rx_lock);
node_index = lcl->is_ip4 ? udp4_input_node.index : udp6_input_node.index;
udp_register_dst_port (vm, clib_net_to_host_u16 (lcl->port), node_index,
- 1 /* is_ipv4 */ );
+ lcl->is_ip4);
return listener->c_c_index;
}
vnet_buffer (b)->sw_if_index[VLIB_TX] = uc->c_fib_index;
b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
+ if (PREDICT_FALSE (uc->flags & UDP_CONN_F_CLOSING))
+ {
+ if (!transport_max_tx_dequeue (&uc->connection))
+ udp_connection_delete (uc);
+ }
+
return 0;
}
void
udp_session_close (u32 connection_index, u32 thread_index)
{
- vlib_main_t *vm = vlib_get_main ();
udp_connection_t *uc;
+
uc = udp_connection_get (connection_index, thread_index);
- if (uc)
- {
- udp_unregister_dst_port (vm, clib_net_to_host_u16 (uc->c_lcl_port),
- uc->c_is_ip4);
- stream_session_delete_notify (&uc->connection);
- udp_connection_free (uc);
- }
+ if (!uc)
+ return;
+
+ if (!transport_max_tx_dequeue (&uc->connection))
+ udp_connection_delete (uc);
+ else
+ uc->flags |= UDP_CONN_F_CLOSING;
}
void
if (verbose)
{
if (verbose == 1)
- s = format (s, "%-15s\n", "-");
+ s = format (s, "%-15s", "-");
else
s = format (s, "\n");
}
u8 *
format_udp_half_open_session (u8 * s, va_list * args)
{
+ u32 __clib_unused tci = va_arg (*args, u32);
+ u32 __clib_unused thread_index = va_arg (*args, u32);
clib_warning ("BUG");
return 0;
}
format_udp_listener_session (u8 * s, va_list * args)
{
u32 tci = va_arg (*args, u32);
+ u32 __clib_unused thread_index = va_arg (*args, u32);
+ u32 verbose = va_arg (*args, u32);
udp_connection_t *uc = udp_listener_get (tci);
- return format (s, "%U", format_udp_connection, uc);
-}
-
-u16
-udp_send_mss (transport_connection_t * t)
-{
- /* TODO figure out MTU of output interface */
- return 1460;
+ return format (s, "%U", format_udp_connection, uc, verbose);
}
-u32
-udp_send_space (transport_connection_t * t)
+static int
+udp_session_send_params (transport_connection_t * tconn,
+ transport_send_params_t * sp)
{
/* No constraint on TX window */
- return ~0;
+ sp->snd_space = ~0;
+ /* TODO figure out MTU of output interface */
+ sp->snd_mss = 1460;
+ sp->tx_offset = 0;
+ sp->flags = 0;
+ return 0;
}
int
-udp_open_connection (transport_endpoint_t * rmt)
+udp_open_connection (transport_endpoint_cfg_t * rmt)
{
udp_main_t *um = vnet_get_udp_main ();
vlib_main_t *vm = vlib_get_main ();
uc->c_is_ip4 = rmt->is_ip4;
uc->c_proto = TRANSPORT_PROTO_UDP;
uc->c_fib_index = rmt->fib_index;
+ uc->flags |= UDP_CONN_F_OWNS_PORT;
return uc->c_c_index;
}
/* We don't poll main thread if we have workers */
thread_index = vlib_num_workers ()? 1 : 0;
uc = udp_connection_get (conn_index, thread_index);
+ if (!uc)
+ return 0;
return &uc->connection;
}
/* *INDENT-OFF* */
-const static transport_proto_vft_t udp_proto = {
- .bind = udp_session_bind,
- .open = udp_open_connection,
- .unbind = udp_session_unbind,
+static const transport_proto_vft_t udp_proto = {
+ .start_listen = udp_session_bind,
+ .connect = udp_open_connection,
+ .stop_listen = udp_session_unbind,
.push_header = udp_push_header,
.get_connection = udp_session_get,
.get_listener = udp_session_get_listener,
.get_half_open = udp_session_get_half_open,
.close = udp_session_close,
.cleanup = udp_session_cleanup,
- .send_mss = udp_send_mss,
- .send_space = udp_send_space,
+ .send_params = udp_session_send_params,
.format_connection = format_udp_session,
.format_half_open = format_udp_half_open_session,
.format_listener = format_udp_listener_session,
- .tx_type = TRANSPORT_TX_DGRAM,
- .service_type = TRANSPORT_SERVICE_CL,
+ .transport_options = {
+ .name = "udp",
+ .short_name = "U",
+ .tx_type = TRANSPORT_TX_DGRAM,
+ .service_type = TRANSPORT_SERVICE_CL,
+ },
};
/* *INDENT-ON* */
int
-udpc_connection_open (transport_endpoint_t * rmt)
+udpc_connection_open (transport_endpoint_cfg_t * rmt)
{
udp_connection_t *uc;
+ /* Reproduce the logic of udp_open_connection to find the correct thread */
+ u32 thread_index = vlib_num_workers ()? 1 : vlib_get_main ()->thread_index;
u32 uc_index;
uc_index = udp_open_connection (rmt);
- uc = udp_connection_get (uc_index, vlib_get_thread_index ());
- uc->is_connected = 1;
+ if (uc_index == (u32) ~ 0)
+ return -1;
+ uc = udp_connection_get (uc_index, thread_index);
+ uc->flags |= UDP_CONN_F_CONNECTED;
return uc_index;
}
udpc_connection_listen (u32 session_index, transport_endpoint_t * lcl)
{
udp_connection_t *listener;
- u32 li;
- li = udp_session_bind (session_index, lcl);
- listener = udp_listener_get (li);
- listener->is_connected = 1;
- return li;
+ u32 li_index;
+ li_index = udp_session_bind (session_index, lcl);
+ if (li_index == (u32) ~ 0)
+ return -1;
+ listener = udp_listener_get (li_index);
+ listener->flags |= UDP_CONN_F_CONNECTED;
+ /* Fake udp listener, i.e., make sure session layer adds a udp instead of
+ * udpc listener to the lookup table */
+ ((session_endpoint_cfg_t *) lcl)->transport_proto = TRANSPORT_PROTO_UDP;
+ return li_index;
}
/* *INDENT-OFF* */
-const static transport_proto_vft_t udpc_proto = {
- .bind = udpc_connection_listen,
- .open = udpc_connection_open,
- .unbind = udp_session_unbind,
+static const transport_proto_vft_t udpc_proto = {
+ .start_listen = udpc_connection_listen,
+ .stop_listen = udp_session_unbind,
+ .connect = udpc_connection_open,
.push_header = udp_push_header,
.get_connection = udp_session_get,
.get_listener = udp_session_get_listener,
.get_half_open = udp_session_get_half_open,
.close = udp_session_close,
.cleanup = udp_session_cleanup,
- .send_mss = udp_send_mss,
- .send_space = udp_send_space,
+ .send_params = udp_session_send_params,
.format_connection = format_udp_session,
.format_half_open = format_udp_half_open_session,
.format_listener = format_udp_listener_session,
- .tx_type = TRANSPORT_TX_DEQUEUE,
- .service_type = TRANSPORT_SERVICE_CL,
+ .transport_options = {
+ .name = "udpc",
+ .short_name = "U",
+ .tx_type = TRANSPORT_TX_DGRAM,
+ .service_type = TRANSPORT_SERVICE_VC,
+ .half_open_has_fifos = 1
+ },
};
/* *INDENT-ON* */
ip_main_t *im = &ip_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
u32 num_threads;
- clib_error_t *error = 0;
ip_protocol_info_t *pi;
int i;
- if ((error = vlib_call_init_function (vm, ip_main_init)))
- return error;
- if ((error = vlib_call_init_function (vm, ip4_lookup_init)))
- return error;
- if ((error = vlib_call_init_function (vm, ip6_lookup_init)))
- return error;
-
/*
* Registrations
*/
clib_spinlock_init (&um->peekers_readers_locks[i]);
clib_spinlock_init (&um->peekers_write_locks[i]);
}
- return error;
+ return 0;
}
-VLIB_INIT_FUNCTION (udp_init);
+/* *INDENT-OFF* */
+VLIB_INIT_FUNCTION (udp_init) =
+{
+ .runs_after = VLIB_INITS("ip_main_init", "ip4_lookup_init",
+ "ip6_lookup_init"),
+};
+/* *INDENT-ON* */
+
+
+static clib_error_t *
+show_udp_punt_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ udp_main_t *um = vnet_get_udp_main ();
+
+ clib_error_t *error = NULL;
+
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ return clib_error_return (0, "unknown input `%U'", format_unformat_error,
+ input);
+
+ udp_dst_port_info_t *port_info;
+ if (um->punt_unknown4)
+ {
+ vlib_cli_output (vm, "IPv4 UDP punt: enabled");
+ }
+ else
+ {
+ u8 *s = NULL;
+ vec_foreach (port_info, um->dst_port_infos[UDP_IP4])
+ {
+ if (udp_is_valid_dst_port (port_info->dst_port, 1))
+ {
+ s = format (s, (!s) ? "%d" : ", %d", port_info->dst_port);
+ }
+ }
+ s = format (s, "%c", 0);
+ vlib_cli_output (vm, "IPV4 UDP ports punt : %s", s);
+ }
+
+ if (um->punt_unknown6)
+ {
+ vlib_cli_output (vm, "IPv6 UDP punt: enabled");
+ }
+ else
+ {
+ u8 *s = NULL;
+ vec_foreach (port_info, um->dst_port_infos[UDP_IP6])
+ {
+ if (udp_is_valid_dst_port (port_info->dst_port, 01))
+ {
+ s = format (s, (!s) ? "%d" : ", %d", port_info->dst_port);
+ }
+ }
+ s = format (s, "%c", 0);
+ vlib_cli_output (vm, "IPV6 UDP ports punt : %s", s);
+ }
+
+ return (error);
+}
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_tcp_punt_command, static) =
+{
+ .path = "show udp punt",
+ .short_help = "show udp punt [ipv4|ipv6]",
+ .function = show_udp_punt_fn,
+};
+/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff