/*
- * 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/session.h>
#include <vnet/session/application.h>
-/**
- * External vector of per transport virtual functions table
- */
-extern transport_proto_vft_t *tp_vfts;
-
/**
* Network namespace index (i.e., fib index) to session lookup table. We
* should have one per network protocol type but for now we only support IP4/6
}
}
+int
+session_lookup_del_session_endpoint2 (session_endpoint_t * sep)
+{
+ fib_protocol_t fib_proto;
+ session_table_t *st;
+ session_kv4_t kv4;
+ session_kv6_t kv6;
+
+ fib_proto = sep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+ st = session_table_get_for_fib_index (fib_proto, sep->fib_index);
+ if (!st)
+ return -1;
+ if (sep->is_ip4)
+ {
+ make_v4_listener_kv (&kv4, &sep->ip.ip4, sep->port,
+ sep->transport_proto);
+ return clib_bihash_add_del_16_8 (&st->v4_session_hash, &kv4, 0);
+ }
+ else
+ {
+ make_v6_listener_kv (&kv6, &sep->ip.ip6, sep->port,
+ sep->transport_proto);
+ return clib_bihash_add_del_48_8 (&st->v6_session_hash, &kv6, 0);
+ }
+}
+
/**
* Delete transport connection from session table
*
}
int
-session_lookup_del_session (stream_session_t * s)
+session_lookup_del_session (session_t * s)
{
- transport_proto_t tp = session_get_transport_proto (s);
transport_connection_t *ts;
- ts = tp_vfts[tp].get_connection (s->connection_index, s->thread_index);
+ ts = transport_get_connection (session_get_transport_proto (s),
+ s->connection_index, s->thread_index);
+ if (!ts || (ts->flags & TRANSPORT_CONNECTION_F_NO_LOOKUP))
+ return 0;
return session_lookup_del_connection (ts);
}
}
}
-static stream_session_t *
+static session_t *
session_lookup_app_listen_session (u32 app_index, u8 fib_proto,
u8 transport_proto)
{
fib_proto, transport_proto);
}
-static stream_session_t *
+static session_t *
session_lookup_action_to_session (u32 action_index, u8 fib_proto,
u8 transport_proto)
{
}
/** UNUSED */
-stream_session_t *
+session_t *
session_lookup_rules_table_session4 (session_table_t * st, u8 proto,
ip4_address_t * lcl, u16 lcl_port,
ip4_address_t * rmt, u16 rmt_port)
}
/** UNUSED */
-stream_session_t *
+session_t *
session_lookup_rules_table_session6 (session_table_t * st, u8 proto,
ip6_address_t * lcl, u16 lcl_port,
ip6_address_t * rmt, u16 rmt_port)
return SESSION_INVALID_HANDLE;
}
-static inline stream_session_t *
+static inline session_t *
session_lookup_listener4_i (session_table_t * st, ip4_address_t * lcl,
u16 lcl_port, u8 proto, u8 use_wildcard)
{
return 0;
}
-stream_session_t *
+session_t *
session_lookup_listener4 (u32 fib_index, ip4_address_t * lcl, u16 lcl_port,
- u8 proto)
+ u8 proto, u8 use_wildcard)
{
session_table_t *st;
st = session_table_get_for_fib_index (FIB_PROTOCOL_IP4, fib_index);
if (!st)
return 0;
- return session_lookup_listener4_i (st, lcl, lcl_port, proto, 0);
+ return session_lookup_listener4_i (st, lcl, lcl_port, proto, use_wildcard);
}
-static stream_session_t *
+static session_t *
session_lookup_listener6_i (session_table_t * st, ip6_address_t * lcl,
u16 lcl_port, u8 proto, u8 ip_wildcard)
{
return 0;
}
-stream_session_t *
+session_t *
session_lookup_listener6 (u32 fib_index, ip6_address_t * lcl, u16 lcl_port,
- u8 proto)
+ u8 proto, u8 use_wildcard)
{
session_table_t *st;
st = session_table_get_for_fib_index (FIB_PROTOCOL_IP6, fib_index);
if (!st)
return 0;
- return session_lookup_listener6_i (st, lcl, lcl_port, proto, 1);
+ return session_lookup_listener6_i (st, lcl, lcl_port, proto, use_wildcard);
}
/**
* Lookup listener, exact or proxy (inaddr_any:0) match
*/
-stream_session_t *
+session_t *
session_lookup_listener (u32 table_index, session_endpoint_t * sep)
{
session_table_t *st;
return 0;
}
+/**
+ * Lookup listener wildcard match
+ */
+session_t *
+session_lookup_listener_wildcard (u32 table_index, session_endpoint_t * sep)
+{
+ session_table_t *st;
+ st = session_table_get (table_index);
+ if (!st)
+ return 0;
+ if (sep->is_ip4)
+ return session_lookup_listener4_i (st, &sep->ip.ip4, sep->port,
+ sep->transport_proto,
+ 1 /* use_wildcard */ );
+ else
+ return session_lookup_listener6_i (st, &sep->ip.ip6, sep->port,
+ sep->transport_proto,
+ 1 /* use_wildcard */ );
+ return 0;
+}
+
int
session_lookup_add_half_open (transport_connection_t * tc, u64 value)
{
transport_connection_t *
session_lookup_half_open_connection (u64 handle, u8 proto, u8 is_ip4)
{
- u32 sst;
-
if (handle != HALF_OPEN_LOOKUP_INVALID_VALUE)
{
- sst = session_type_from_proto_and_ip (proto, is_ip4);
- return tp_vfts[sst].get_half_open (handle & 0xFFFFFFFF);
+ u32 sst = session_type_from_proto_and_ip (proto, is_ip4);
+ return transport_get_half_open (sst, handle & 0xFFFFFFFF);
}
return 0;
}
{
session_table_t *st;
session_kv4_t kv4;
- stream_session_t *s;
+ session_t *s;
u32 action_index;
int rv;
return 0;
}
s = session_get (kv4.value & 0xFFFFFFFFULL, thread_index);
- return tp_vfts[proto].get_connection (s->connection_index,
- thread_index);
+ return transport_get_connection (proto, s->connection_index,
+ thread_index);
}
/*
*/
rv = clib_bihash_search_inline_16_8 (&st->v4_half_open_hash, &kv4);
if (rv == 0)
- return tp_vfts[proto].get_half_open (kv4.value & 0xFFFFFFFF);
+ return transport_get_half_open (proto, kv4.value & 0xFFFFFFFF);
/*
* Check the session rules table
}
if ((s = session_lookup_action_to_session (action_index,
FIB_PROTOCOL_IP4, proto)))
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
*/
s = session_lookup_listener4_i (st, lcl, lcl_port, proto, 1);
if (s)
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
{
session_table_t *st;
session_kv4_t kv4;
- stream_session_t *s;
+ session_t *s;
u32 action_index;
int rv;
if (rv == 0)
{
s = session_get_from_handle (kv4.value);
- return tp_vfts[proto].get_connection (s->connection_index,
- s->thread_index);
+ return transport_get_connection (proto, s->connection_index,
+ s->thread_index);
}
/*
*/
rv = clib_bihash_search_inline_16_8 (&st->v4_half_open_hash, &kv4);
if (rv == 0)
- return tp_vfts[proto].get_half_open (kv4.value & 0xFFFFFFFF);
+ return transport_get_half_open (proto, kv4.value & 0xFFFFFFFF);
/*
* Check the session rules table
return 0;
if ((s = session_lookup_action_to_session (action_index,
FIB_PROTOCOL_IP4, proto)))
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
*/
s = session_lookup_listener4_i (st, lcl, lcl_port, proto, 1);
if (s)
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
*
* Typically used by dgram connections
*/
-stream_session_t *
+session_t *
session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl, ip4_address_t * rmt,
u16 lcl_port, u16 rmt_port, u8 proto)
{
session_table_t *st;
session_kv4_t kv4;
- stream_session_t *s;
+ session_t *s;
u32 action_index;
int rv;
u8 * result)
{
session_table_t *st;
- stream_session_t *s;
+ session_t *s;
session_kv6_t kv6;
u32 action_index;
int rv;
return 0;
}
s = session_get (kv6.value & 0xFFFFFFFFULL, thread_index);
- return tp_vfts[proto].get_connection (s->connection_index,
- thread_index);
+ return transport_get_connection (proto, s->connection_index,
+ thread_index);
}
/* Try half-open connections */
rv = clib_bihash_search_inline_48_8 (&st->v6_half_open_hash, &kv6);
if (rv == 0)
- return tp_vfts[proto].get_half_open (kv6.value & 0xFFFFFFFF);
+ return transport_get_half_open (proto, kv6.value & 0xFFFFFFFF);
/* Check the session rules table */
action_index = session_rules_table_lookup6 (&st->session_rules[proto], lcl,
}
if ((s = session_lookup_action_to_session (action_index,
FIB_PROTOCOL_IP6, proto)))
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
/* If nothing is found, check if any listener is available */
s = session_lookup_listener6_i (st, lcl, lcl_port, proto, 1);
if (s)
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
u8 proto)
{
session_table_t *st;
- stream_session_t *s;
+ session_t *s;
session_kv6_t kv6;
u32 action_index;
int rv;
if (rv == 0)
{
s = session_get_from_handle (kv6.value);
- return tp_vfts[proto].get_connection (s->connection_index,
- s->thread_index);
+ return transport_get_connection (proto, s->connection_index,
+ s->thread_index);
}
/* Try half-open connections */
rv = clib_bihash_search_inline_48_8 (&st->v6_half_open_hash, &kv6);
if (rv == 0)
- return tp_vfts[proto].get_half_open (kv6.value & 0xFFFFFFFF);
+ return transport_get_half_open (proto, kv6.value & 0xFFFFFFFF);
/* Check the session rules table */
action_index = session_rules_table_lookup6 (&st->session_rules[proto], lcl,
return 0;
if ((s = session_lookup_action_to_session (action_index,
FIB_PROTOCOL_IP6, proto)))
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
/* If nothing is found, check if any listener is available */
s = session_lookup_listener6_i (st, lcl, lcl_port, proto, 1);
if (s)
- return tp_vfts[proto].get_listener (s->connection_index);
+ return transport_get_listener (proto, s->connection_index);
return 0;
}
*
* Typically used by dgram connections
*/
-stream_session_t *
+session_t *
session_lookup_safe6 (u32 fib_index, ip6_address_t * lcl, ip6_address_t * rmt,
u16 lcl_port, u16 rmt_port, u8 proto)
{
session_table_t *st;
session_kv6_t kv6;
- stream_session_t *s;
+ session_t *s;
u32 action_index;
int rv;
return 0;
}
-clib_error_t *
+int
vnet_session_rule_add_del (session_rule_add_del_args_t * args)
{
app_namespace_t *app_ns = app_namespace_get (args->appns_index);
session_table_t *st;
u32 fib_index;
u8 fib_proto;
- clib_error_t *error;
+ int rv = 0;
if (!app_ns)
- return clib_error_return_code (0, VNET_API_ERROR_APP_INVALID_NS, 0,
- "invalid app ns");
+ return VNET_API_ERROR_APP_INVALID_NS;
+
if (args->scope > 3)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "invalid scope");
+ return VNET_API_ERROR_INVALID_VALUE;
+
if (args->transport_proto != TRANSPORT_PROTO_TCP
&& args->transport_proto != TRANSPORT_PROTO_UDP)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "invalid transport proto");
+ return VNET_API_ERROR_INVALID_VALUE;
+
if ((args->scope & SESSION_RULE_SCOPE_GLOBAL) || args->scope == 0)
{
fib_proto = args->table_args.rmt.fp_proto;
fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
st = session_table_get_for_fib_index (fib_proto, fib_index);
srt = &st->session_rules[args->transport_proto];
- if ((error = session_rules_table_add_del (srt, &args->table_args)))
- {
- clib_error_report (error);
- return error;
- }
+ if ((rv = session_rules_table_add_del (srt, &args->table_args)))
+ return rv;
}
if (args->scope & SESSION_RULE_SCOPE_LOCAL)
{
args->table_args.lcl_port = 0;
st = app_namespace_get_local_table (app_ns);
srt = &st->session_rules[args->transport_proto];
- error = session_rules_table_add_del (srt, &args->table_args);
+ rv = session_rules_table_add_del (srt, &args->table_args);
}
- return error;
+ return rv;
}
/**
for (fp = 0; fp < ARRAY_LEN (fib_index_to_table_index); fp++)
{
fib_index = app_namespace_get_fib_index (app_ns, fp);
- st = session_table_get_for_fib_index (fp, fib_index);
+ st = session_table_get_or_alloc (fp, fib_index);
if (st)
st->appns_index = app_namespace_index (app_ns);
}
format_ip4_session_lookup_kvp (u8 * s, va_list * args)
{
clib_bihash_kv_16_8_t *kvp = va_arg (*args, clib_bihash_kv_16_8_t *);
- u32 is_local = va_arg (*args, u32), app_wrk_index, session_index;
+ u32 is_local = va_arg (*args, u32);
v4_connection_key_t *key = (v4_connection_key_t *) kvp->key;
- stream_session_t *session;
+ session_t *session;
app_worker_t *app_wrk;
const u8 *app_name;
u8 *str = 0;
}
else
{
- local_session_parse_handle (kvp->value, &app_wrk_index, &session_index);
- app_wrk = app_worker_get (app_wrk_index);
+ session = session_get_from_handle (kvp->value);
+ app_wrk = app_worker_get (session->app_wrk_index);
app_name = application_name_from_index (app_wrk->app_index);
str = format (0, "[%U] %U:%d", format_transport_proto_short, key->proto,
format_ip4_address, &key->src,
u8 fib_proto, is_add = 1, *ns_id = 0;
u8 *tag = 0;
app_namespace_t *app_ns;
- clib_error_t *error;
+ int rv;
+
+ session_cli_return_if_not_enabled ();
clib_memset (&lcl_ip, 0, sizeof (lcl_ip));
clib_memset (&rmt_ip, 0, sizeof (rmt_ip));
fib_proto = is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
session_rule_add_del_args_t args = {
+ .transport_proto = proto,
.table_args.lcl.fp_addr = lcl_ip,
.table_args.lcl.fp_len = lcl_plen,
.table_args.lcl.fp_proto = fib_proto,
.appns_index = appns_index,
.scope = scope,
};
- error = vnet_session_rule_add_del (&args);
+ if ((rv = vnet_session_rule_add_del (&args)))
+ return clib_error_return (0, "rule add del returned %u", rv);
+
vec_free (tag);
- return error;
+ return 0;
}
/* *INDENT-OFF* */
session_table_t *st;
u8 *ns_id = 0, fib_proto;
+ session_cli_return_if_not_enabled ();
+
clib_memset (&lcl_ip, 0, sizeof (lcl_ip));
clib_memset (&rmt_ip, 0, sizeof (rmt_ip));
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
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