/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2019 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/session/transport.h>
+#include <vnet/session/session.h>
+#include <vnet/fib/fib.h>
+
+typedef struct local_endpoint_
+{
+ transport_endpoint_t ep;
+ int refcnt;
+} local_endpoint_t;
+
+/**
+ * Per-type vector of transport protocol virtual function tables
+ */
+transport_proto_vft_t *tp_vfts;
+
+/*
+ * Port allocator seed
+ */
+static u32 port_allocator_seed;
+
+/*
+ * Local endpoints table
+ */
+static transport_endpoint_table_t local_endpoints_table;
+
+/*
+ * Pool of local endpoints
+ */
+static local_endpoint_t *local_endpoints;
+
+/*
+ * Local endpoints pool lock
+ */
+static clib_spinlock_t local_endpoints_lock;
+
+u8 *
+format_transport_proto (u8 * s, va_list * args)
+{
+ u32 transport_proto = va_arg (*args, u32);
+
+ if (tp_vfts[transport_proto].transport_options.name)
+ s = format (s, "%s", tp_vfts[transport_proto].transport_options.name);
+ else
+ s = format (s, "n/a");
+
+ return s;
+}
+
+u8 *
+format_transport_proto_short (u8 * s, va_list * args)
+{
+ u32 transport_proto = va_arg (*args, u32);
+ char *short_name;
+
+ short_name = tp_vfts[transport_proto].transport_options.short_name;
+ if (short_name)
+ s = format (s, "%s", short_name);
+ else
+ s = format (s, "NA");
+
+ return s;
+}
+
+u8 *
+format_transport_connection (u8 * s, va_list * args)
+{
+ u32 transport_proto = va_arg (*args, u32);
+ u32 conn_index = va_arg (*args, u32);
+ u32 thread_index = va_arg (*args, u32);
+ u32 verbose = va_arg (*args, u32);
+ transport_proto_vft_t *tp_vft;
+ transport_connection_t *tc;
+ u32 indent;
+
+ tp_vft = transport_protocol_get_vft (transport_proto);
+ if (!tp_vft)
+ return s;
+
+ s = format (s, "%U", tp_vft->format_connection, conn_index, thread_index,
+ verbose);
+ tc = tp_vft->get_connection (conn_index, thread_index);
+ if (tc && transport_connection_is_tx_paced (tc) && verbose > 1)
+ {
+ indent = format_get_indent (s) + 1;
+ s = format (s, "%Upacer: %U\n", format_white_space, indent,
+ format_transport_pacer, &tc->pacer, tc->thread_index);
+ s = format (s, "%Utransport: flags 0x%x\n", format_white_space, indent,
+ tc->flags);
+ }
+ return s;
+}
+
+u8 *
+format_transport_listen_connection (u8 * s, va_list * args)
+{
+ u32 transport_proto = va_arg (*args, u32);
+ transport_proto_vft_t *tp_vft;
+
+ tp_vft = transport_protocol_get_vft (transport_proto);
+ if (!tp_vft)
+ return s;
+
+ s = (tp_vft->format_listener) (s, args);
+ return s;
+}
+
+u8 *
+format_transport_half_open_connection (u8 * s, va_list * args)
+{
+ u32 transport_proto = va_arg (*args, u32);
+ u32 listen_index = va_arg (*args, u32);
+ transport_proto_vft_t *tp_vft;
+
+ tp_vft = transport_protocol_get_vft (transport_proto);
+ if (!tp_vft)
+ return s;
+
+ s = format (s, "%U", tp_vft->format_half_open, listen_index);
+ return s;
+}
+
+static u8
+unformat_transport_str_match (unformat_input_t * input, const char *str)
+{
+ int i;
+
+ if (strlen (str) > vec_len (input->buffer) - input->index)
+ return 0;
+
+ for (i = 0; i < strlen (str); i++)
+ {
+ if (input->buffer[i + input->index] != str[i])
+ return 0;
+ }
+ return 1;
+}
+
+uword
+unformat_transport_proto (unformat_input_t * input, va_list * args)
+{
+ u32 *proto = va_arg (*args, u32 *);
+ transport_proto_vft_t *tp_vft;
+ u8 longest_match = 0, match;
+ char *str, *str_match = 0;
+ transport_proto_t tp;
+
+ for (tp = 0; tp < vec_len (tp_vfts); tp++)
+ {
+ tp_vft = &tp_vfts[tp];
+ str = tp_vft->transport_options.name;
+ if (!str)
+ continue;
+ if (unformat_transport_str_match (input, str))
+ {
+ match = strlen (str);
+ if (match > longest_match)
+ {
+ *proto = tp;
+ longest_match = match;
+ str_match = str;
+ }
+ }
+ }
+ if (longest_match)
+ {
+ (void) unformat (input, str_match);
+ return 1;
+ }
+
+ return 0;
+}
+
+u8 *
+format_transport_protos (u8 * s, va_list * args)
+{
+ transport_proto_vft_t *tp_vft;
+
+ vec_foreach (tp_vft, tp_vfts)
+ s = format (s, "%s\n", tp_vft->transport_options.name);
+
+ return s;
+}
u32
-transport_endpoint_lookup (transport_endpoint_table_t *ht, ip46_address_t *ip,
- u16 port)
+transport_endpoint_lookup (transport_endpoint_table_t * ht, u8 proto,
+ ip46_address_t * ip, u16 port)
{
clib_bihash_kv_24_8_t kv;
int rv;
kv.key[0] = ip->as_u64[0];
kv.key[1] = ip->as_u64[1];
- kv.key[2] = port;
+ kv.key[2] = (u64) port << 8 | (u64) proto;
rv = clib_bihash_search_inline_24_8 (ht, &kv);
if (rv == 0)
return kv.value;
- return TRANSPORT_ENDPOINT_INVALID_INDEX;
+ return ENDPOINT_INVALID_INDEX;
}
void
-transport_endpoint_table_add (transport_endpoint_table_t *ht,
- transport_endpoint_t *te, u32 value)
+transport_endpoint_table_add (transport_endpoint_table_t * ht, u8 proto,
+ transport_endpoint_t * te, u32 value)
{
clib_bihash_kv_24_8_t kv;
kv.key[0] = te->ip.as_u64[0];
kv.key[1] = te->ip.as_u64[1];
- kv.key[2] = te->port;
+ kv.key[2] = (u64) te->port << 8 | (u64) proto;
kv.value = value;
clib_bihash_add_del_24_8 (ht, &kv, 1);
}
void
-transport_endpoint_table_del (transport_endpoint_table_t *ht,
- transport_endpoint_t *te)
+transport_endpoint_table_del (transport_endpoint_table_t * ht, u8 proto,
+ transport_endpoint_t * te)
{
clib_bihash_kv_24_8_t kv;
kv.key[0] = te->ip.as_u64[0];
kv.key[1] = te->ip.as_u64[1];
- kv.key[2] = te->port;
+ kv.key[2] = (u64) te->port << 8 | (u64) proto;
clib_bihash_add_del_24_8 (ht, &kv, 0);
}
+void
+transport_register_protocol (transport_proto_t transport_proto,
+ const transport_proto_vft_t * vft,
+ fib_protocol_t fib_proto, u32 output_node)
+{
+ u8 is_ip4 = fib_proto == FIB_PROTOCOL_IP4;
+ vec_validate (tp_vfts, transport_proto);
+ tp_vfts[transport_proto] = *vft;
+ session_register_transport (transport_proto, vft, is_ip4, output_node);
+}
+
+transport_proto_t
+transport_register_new_protocol (const transport_proto_vft_t * vft,
+ fib_protocol_t fib_proto, u32 output_node)
+{
+ transport_proto_t transport_proto;
+ u8 is_ip4;
+
+ transport_proto = session_add_transport_proto ();
+ is_ip4 = fib_proto == FIB_PROTOCOL_IP4;
+
+ vec_validate (tp_vfts, transport_proto);
+ tp_vfts[transport_proto] = *vft;
+
+ session_register_transport (transport_proto, vft, is_ip4, output_node);
+
+ return transport_proto;
+}
+
+/**
+ * Get transport virtual function table
+ *
+ * @param type - session type (not protocol type)
+ */
+transport_proto_vft_t *
+transport_protocol_get_vft (transport_proto_t transport_proto)
+{
+ if (transport_proto >= vec_len (tp_vfts))
+ return 0;
+ return &tp_vfts[transport_proto];
+}
+
+transport_service_type_t
+transport_protocol_service_type (transport_proto_t tp)
+{
+ return tp_vfts[tp].transport_options.service_type;
+}
+
+transport_tx_fn_type_t
+transport_protocol_tx_fn_type (transport_proto_t tp)
+{
+ return tp_vfts[tp].transport_options.tx_type;
+}
+
+void
+transport_cleanup (transport_proto_t tp, u32 conn_index, u8 thread_index)
+{
+ tp_vfts[tp].cleanup (conn_index, thread_index);
+}
+
+int
+transport_connect (transport_proto_t tp, transport_endpoint_cfg_t * tep)
+{
+ return tp_vfts[tp].connect (tep);
+}
+
+void
+transport_close (transport_proto_t tp, u32 conn_index, u8 thread_index)
+{
+ tp_vfts[tp].close (conn_index, thread_index);
+}
+
+void
+transport_reset (transport_proto_t tp, u32 conn_index, u8 thread_index)
+{
+ if (tp_vfts[tp].reset)
+ tp_vfts[tp].reset (conn_index, thread_index);
+ else
+ tp_vfts[tp].close (conn_index, thread_index);
+}
+
+u32
+transport_start_listen (transport_proto_t tp, u32 session_index,
+ transport_endpoint_t * tep)
+{
+ return tp_vfts[tp].start_listen (session_index, tep);
+}
+
+u32
+transport_stop_listen (transport_proto_t tp, u32 conn_index)
+{
+ return tp_vfts[tp].stop_listen (conn_index);
+}
+
+u8
+transport_protocol_is_cl (transport_proto_t tp)
+{
+ return (tp_vfts[tp].transport_options.service_type == TRANSPORT_SERVICE_CL);
+}
+
+always_inline void
+default_get_transport_endpoint (transport_connection_t * tc,
+ transport_endpoint_t * tep, u8 is_lcl)
+{
+ if (is_lcl)
+ {
+ tep->port = tc->lcl_port;
+ tep->is_ip4 = tc->is_ip4;
+ clib_memcpy_fast (&tep->ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
+ }
+ else
+ {
+ tep->port = tc->rmt_port;
+ tep->is_ip4 = tc->is_ip4;
+ clib_memcpy_fast (&tep->ip, &tc->rmt_ip, sizeof (tc->rmt_ip));
+ }
+}
+
+void
+transport_get_endpoint (transport_proto_t tp, u32 conn_index,
+ u32 thread_index, transport_endpoint_t * tep,
+ u8 is_lcl)
+{
+ if (tp_vfts[tp].get_transport_endpoint)
+ tp_vfts[tp].get_transport_endpoint (conn_index, thread_index, tep,
+ is_lcl);
+ else
+ {
+ transport_connection_t *tc;
+ tc = transport_get_connection (tp, conn_index, thread_index);
+ default_get_transport_endpoint (tc, tep, is_lcl);
+ }
+}
+
+void
+transport_get_listener_endpoint (transport_proto_t tp, u32 conn_index,
+ transport_endpoint_t * tep, u8 is_lcl)
+{
+ if (tp_vfts[tp].get_transport_listener_endpoint)
+ tp_vfts[tp].get_transport_listener_endpoint (conn_index, tep, is_lcl);
+ else
+ {
+ transport_connection_t *tc;
+ tc = transport_get_listener (tp, conn_index);
+ default_get_transport_endpoint (tc, tep, is_lcl);
+ }
+}
+
+#define PORT_MASK ((1 << 16)- 1)
+
+void
+transport_endpoint_del (u32 tepi)
+{
+ clib_spinlock_lock_if_init (&local_endpoints_lock);
+ pool_put_index (local_endpoints, tepi);
+ clib_spinlock_unlock_if_init (&local_endpoints_lock);
+}
+
+always_inline local_endpoint_t *
+transport_endpoint_new (void)
+{
+ local_endpoint_t *lep;
+ pool_get_zero (local_endpoints, lep);
+ return lep;
+}
+
+void
+transport_endpoint_cleanup (u8 proto, ip46_address_t * lcl_ip, u16 port)
+{
+ local_endpoint_t *lep;
+ u32 lepi;
+
+ /* Cleanup local endpoint if this was an active connect */
+ lepi = transport_endpoint_lookup (&local_endpoints_table, proto, lcl_ip,
+ clib_net_to_host_u16 (port));
+ if (lepi != ENDPOINT_INVALID_INDEX)
+ {
+ lep = pool_elt_at_index (local_endpoints, lepi);
+ if (!clib_atomic_sub_fetch (&lep->refcnt, 1))
+ {
+ transport_endpoint_table_del (&local_endpoints_table, proto,
+ &lep->ep);
+ transport_endpoint_del (lepi);
+ }
+ }
+}
+
+static void
+transport_endpoint_mark_used (u8 proto, ip46_address_t * ip, u16 port)
+{
+ local_endpoint_t *lep;
+ clib_spinlock_lock_if_init (&local_endpoints_lock);
+ lep = transport_endpoint_new ();
+ clib_memcpy_fast (&lep->ep.ip, ip, sizeof (*ip));
+ lep->ep.port = port;
+ lep->refcnt = 1;
+ transport_endpoint_table_add (&local_endpoints_table, proto, &lep->ep,
+ lep - local_endpoints);
+ clib_spinlock_unlock_if_init (&local_endpoints_lock);
+}
+
+void
+transport_share_local_endpoint (u8 proto, ip46_address_t * lcl_ip, u16 port)
+{
+ local_endpoint_t *lep;
+ u32 lepi;
+
+ lepi = transport_endpoint_lookup (&local_endpoints_table, proto, lcl_ip,
+ clib_net_to_host_u16 (port));
+ if (lepi != ENDPOINT_INVALID_INDEX)
+ {
+ lep = pool_elt_at_index (local_endpoints, lepi);
+ clib_atomic_add_fetch (&lep->refcnt, 1);
+ }
+}
+
+/**
+ * Allocate local port and add if successful add entry to local endpoint
+ * table to mark the pair as used.
+ */
+int
+transport_alloc_local_port (u8 proto, ip46_address_t * ip)
+{
+ u16 min = 1024, max = 65535; /* XXX configurable ? */
+ int tries, limit;
+ u32 tei;
+
+ 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 (&port_allocator_seed) & PORT_MASK;
+ if (PREDICT_TRUE (port >= min && port < max))
+ break;
+ }
+
+ /* Look it up. If not found, we're done */
+ tei = transport_endpoint_lookup (&local_endpoints_table, proto, ip,
+ port);
+ if (tei == ENDPOINT_INVALID_INDEX)
+ {
+ transport_endpoint_mark_used (proto, ip, port);
+ return port;
+ }
+ }
+ return -1;
+}
+
+static session_error_t
+transport_get_interface_ip (u32 sw_if_index, u8 is_ip4, ip46_address_t * addr)
+{
+ if (is_ip4)
+ {
+ ip4_address_t *ip4;
+ ip4 = ip_interface_get_first_ip (sw_if_index, 1);
+ if (!ip4)
+ return SESSION_E_NOIP;
+ addr->ip4.as_u32 = ip4->as_u32;
+ }
+ else
+ {
+ ip6_address_t *ip6;
+ ip6 = ip_interface_get_first_ip (sw_if_index, 0);
+ if (ip6 == 0)
+ return SESSION_E_NOIP;
+ clib_memcpy_fast (&addr->ip6, ip6, sizeof (*ip6));
+ }
+ return 0;
+}
+
+static session_error_t
+transport_find_local_ip_for_remote (u32 sw_if_index,
+ transport_endpoint_t * rmt,
+ ip46_address_t * lcl_addr)
+{
+ fib_node_index_t fei;
+ fib_prefix_t prefix;
+
+ if (sw_if_index == ENDPOINT_INVALID_INDEX)
+ {
+ /* Find a FIB path to the destination */
+ clib_memcpy_fast (&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;
+
+ ASSERT (rmt->fib_index != ENDPOINT_INVALID_INDEX);
+ fei = fib_table_lookup (rmt->fib_index, &prefix);
+
+ /* Couldn't find route to destination. Bail out. */
+ if (fei == FIB_NODE_INDEX_INVALID)
+ return SESSION_E_NOROUTE;
+
+ sw_if_index = fib_entry_get_resolving_interface (fei);
+ if (sw_if_index == ENDPOINT_INVALID_INDEX)
+ return SESSION_E_NOINTF;
+ }
+
+ clib_memset (lcl_addr, 0, sizeof (*lcl_addr));
+ return transport_get_interface_ip (sw_if_index, rmt->is_ip4, lcl_addr);
+}
+
+int
+transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t * rmt_cfg,
+ ip46_address_t * lcl_addr, u16 * lcl_port)
+{
+ transport_endpoint_t *rmt = (transport_endpoint_t *) rmt_cfg;
+ session_error_t error;
+ int port;
+ u32 tei;
+
+ /*
+ * Find the local address
+ */
+ if (ip_is_zero (&rmt_cfg->peer.ip, rmt_cfg->peer.is_ip4))
+ {
+ error = transport_find_local_ip_for_remote (rmt_cfg->peer.sw_if_index,
+ rmt, lcl_addr);
+ if (error)
+ return error;
+ }
+ else
+ {
+ /* Assume session layer vetted this address */
+ clib_memcpy_fast (lcl_addr, &rmt_cfg->peer.ip,
+ sizeof (rmt_cfg->peer.ip));
+ }
+
+ /*
+ * Allocate source port
+ */
+ if (rmt_cfg->peer.port == 0)
+ {
+ port = transport_alloc_local_port (proto, lcl_addr);
+ if (port < 1)
+ return SESSION_E_NOPORT;
+ *lcl_port = port;
+ }
+ else
+ {
+ port = clib_net_to_host_u16 (rmt_cfg->peer.port);
+ *lcl_port = port;
+ tei = transport_endpoint_lookup (&local_endpoints_table, proto,
+ lcl_addr, port);
+ if (tei != ENDPOINT_INVALID_INDEX)
+ return SESSION_E_PORTINUSE;
+
+ transport_endpoint_mark_used (proto, lcl_addr, port);
+ }
+
+ return 0;
+}
+
+u8 *
+format_clib_us_time (u8 * s, va_list * args)
+{
+ clib_us_time_t t = va_arg (*args, clib_us_time_t);
+ if (t < 1e3)
+ s = format (s, "%u us", t);
+ else
+ s = format (s, "%.3f s", (f64) t * CLIB_US_TIME_PERIOD);
+ return s;
+}
+
+u8 *
+format_transport_pacer (u8 * s, va_list * args)
+{
+ spacer_t *pacer = va_arg (*args, spacer_t *);
+ u32 thread_index = va_arg (*args, int);
+ clib_us_time_t now, diff;
+
+ now = transport_us_time_now (thread_index);
+ diff = now - pacer->last_update;
+ s = format (s, "rate %lu bucket %lu t/p %.3f last_update %U idle %u",
+ pacer->bytes_per_sec, pacer->bucket, pacer->tokens_per_period,
+ format_clib_us_time, diff, pacer->idle_timeout_us);
+ return s;
+}
+
+static inline u32
+spacer_max_burst (spacer_t * pacer, clib_us_time_t time_now)
+{
+ u64 n_periods = (time_now - pacer->last_update);
+ u64 inc;
+
+ if (PREDICT_FALSE (n_periods > pacer->idle_timeout_us))
+ {
+ pacer->last_update = time_now;
+ pacer->bucket = TRANSPORT_PACER_MIN_BURST;
+ return TRANSPORT_PACER_MIN_BURST;
+ }
+
+ if ((inc = (f32) n_periods * pacer->tokens_per_period) > 10)
+ {
+ pacer->last_update = time_now;
+ pacer->bucket = clib_min (pacer->bucket + inc, pacer->bytes_per_sec);
+ }
+
+ return clib_min (pacer->bucket, TRANSPORT_PACER_MAX_BURST);
+}
+
+static inline void
+spacer_update_bucket (spacer_t * pacer, u32 bytes)
+{
+ ASSERT (pacer->bucket >= bytes);
+ pacer->bucket -= bytes;
+}
+
+static inline void
+spacer_set_pace_rate (spacer_t * pacer, u64 rate_bytes_per_sec,
+ clib_us_time_t rtt)
+{
+ ASSERT (rate_bytes_per_sec != 0);
+ pacer->bytes_per_sec = rate_bytes_per_sec;
+ pacer->tokens_per_period = rate_bytes_per_sec * CLIB_US_TIME_PERIOD;
+ pacer->idle_timeout_us = clib_max (rtt * TRANSPORT_PACER_IDLE_FACTOR,
+ TRANSPORT_PACER_MIN_IDLE);
+}
+
+static inline u64
+spacer_pace_rate (spacer_t * pacer)
+{
+ return pacer->bytes_per_sec;
+}
+
+static inline void
+spacer_reset (spacer_t * pacer, clib_us_time_t time_now, u64 bucket)
+{
+ pacer->last_update = time_now;
+ pacer->bucket = bucket;
+}
+
+void
+transport_connection_tx_pacer_reset (transport_connection_t * tc,
+ u64 rate_bytes_per_sec, u32 start_bucket,
+ clib_us_time_t rtt)
+{
+ spacer_set_pace_rate (&tc->pacer, rate_bytes_per_sec, rtt);
+ spacer_reset (&tc->pacer, transport_us_time_now (tc->thread_index),
+ start_bucket);
+}
+
+void
+transport_connection_tx_pacer_reset_bucket (transport_connection_t * tc,
+ u32 bucket)
+{
+ spacer_reset (&tc->pacer, transport_us_time_now (tc->thread_index), bucket);
+}
+
+void
+transport_connection_tx_pacer_init (transport_connection_t * tc,
+ u64 rate_bytes_per_sec,
+ u32 initial_bucket)
+{
+ tc->flags |= TRANSPORT_CONNECTION_F_IS_TX_PACED;
+ transport_connection_tx_pacer_reset (tc, rate_bytes_per_sec,
+ initial_bucket, 1e6);
+}
+
+void
+transport_connection_tx_pacer_update (transport_connection_t * tc,
+ u64 bytes_per_sec, clib_us_time_t rtt)
+{
+ spacer_set_pace_rate (&tc->pacer, bytes_per_sec, rtt);
+}
+
+u32
+transport_connection_tx_pacer_burst (transport_connection_t * tc)
+{
+ return spacer_max_burst (&tc->pacer,
+ transport_us_time_now (tc->thread_index));
+}
+
+u64
+transport_connection_tx_pacer_rate (transport_connection_t * tc)
+{
+ return spacer_pace_rate (&tc->pacer);
+}
+
+void
+transport_connection_update_tx_bytes (transport_connection_t * tc, u32 bytes)
+{
+ if (transport_connection_is_tx_paced (tc))
+ spacer_update_bucket (&tc->pacer, bytes);
+}
+
+void
+transport_connection_tx_pacer_update_bytes (transport_connection_t * tc,
+ u32 bytes)
+{
+ spacer_update_bucket (&tc->pacer, bytes);
+}
+
+void
+transport_connection_reschedule (transport_connection_t * tc)
+{
+ tc->flags &= ~TRANSPORT_CONNECTION_F_DESCHED;
+ transport_connection_tx_pacer_reset_bucket (tc, TRANSPORT_PACER_MIN_BURST);
+ if (transport_max_tx_dequeue (tc))
+ sesssion_reschedule_tx (tc);
+ else
+ {
+ session_t *s = session_get (tc->s_index, tc->thread_index);
+ svm_fifo_unset_event (s->tx_fifo);
+ if (svm_fifo_max_dequeue_cons (s->tx_fifo))
+ if (svm_fifo_set_event (s->tx_fifo))
+ sesssion_reschedule_tx (tc);
+ }
+}
+
+void
+transport_update_time (clib_time_type_t time_now, u8 thread_index)
+{
+ transport_proto_vft_t *vft;
+ vec_foreach (vft, tp_vfts)
+ {
+ if (vft->update_time)
+ (vft->update_time) (time_now, thread_index);
+ }
+}
+
+void
+transport_enable_disable (vlib_main_t * vm, u8 is_en)
+{
+ transport_proto_vft_t *vft;
+ vec_foreach (vft, tp_vfts)
+ {
+ if (vft->enable)
+ (vft->enable) (vm, is_en);
+ }
+}
+
+void
+transport_init (void)
+{
+ vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ session_main_t *smm = vnet_get_session_main ();
+ u32 num_threads;
+
+ if (smm->local_endpoints_table_buckets == 0)
+ smm->local_endpoints_table_buckets = 250000;
+ if (smm->local_endpoints_table_memory == 0)
+ smm->local_endpoints_table_memory = 512 << 20;
+
+ /* Initialize [port-allocator] random number seed */
+ port_allocator_seed = (u32) clib_cpu_time_now ();
+
+ clib_bihash_init_24_8 (&local_endpoints_table, "local endpoints table",
+ smm->local_endpoints_table_buckets,
+ smm->local_endpoints_table_memory);
+ num_threads = 1 /* main thread */ + vtm->n_threads;
+ if (num_threads > 1)
+ clib_spinlock_init (&local_endpoints_lock);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff