X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_table.c;h=d0b576fda7b63d2b34127c000c04dfe4da69e705;hp=cd8502aa13d1ff545b2c7ba2f21c669c308685c9;hb=07063b8ea;hpb=1c7104514cd40d2377caca36cf40c13b791bc5aa diff --git a/src/vnet/session/session_table.c b/src/vnet/session/session_table.c index cd8502aa13d..d0b576fda7b 100644 --- a/src/vnet/session/session_table.c +++ b/src/vnet/session/session_table.c @@ -1,5 +1,5 @@ /* - * 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: @@ -21,12 +21,18 @@ */ static session_table_t *lookup_tables; +session_table_t * +_get_session_tables (void) +{ + return lookup_tables; +} + session_table_t * session_table_alloc (void) { session_table_t *slt; pool_get_aligned (lookup_tables, slt, CLIB_CACHE_LINE_BYTES); - memset (slt, 0, sizeof (*slt)); + clib_memset (slt, 0, sizeof (*slt)); return slt; } @@ -39,9 +45,9 @@ session_table_index (session_table_t * slt) session_table_t * session_table_get (u32 table_index) { - if (vec_len (lookup_tables) <= table_index) + if (pool_is_free_index (lookup_tables, table_index)) return 0; - return vec_elt_at_index (lookup_tables, table_index); + return pool_elt_at_index (lookup_tables, table_index); } #define foreach_hash_table_parameter \ @@ -61,34 +67,71 @@ session_table_get (u32 table_index) * otherwise it uses defaults above. */ void -session_table_init (session_table_t * slt) +session_table_init (session_table_t * slt, u8 fib_proto) { + u8 all = fib_proto > FIB_PROTOCOL_IP6 ? 1 : 0; + int i; + #define _(af,table,parm,value) \ u32 configured_##af##_##table##_table_##parm = value; foreach_hash_table_parameter; #undef _ #define _(af,table,parm,value) \ - if (session_manager_main.configured_##af##_##table##_table_##parm) \ + if (session_main.configured_##af##_##table##_table_##parm) \ configured_##af##_##table##_table_##parm = \ - session_manager_main.configured_##af##_##table##_table_##parm; + session_main.configured_##af##_##table##_table_##parm; foreach_hash_table_parameter; #undef _ - clib_bihash_init_16_8 (&slt->v4_session_hash, "v4 session table", - configured_v4_session_table_buckets, - configured_v4_session_table_memory); - clib_bihash_init_48_8 (&slt->v6_session_hash, "v6 session table", - configured_v6_session_table_buckets, - configured_v6_session_table_memory); - clib_bihash_init_16_8 (&slt->v4_half_open_hash, "v4 half-open table", - configured_v4_halfopen_table_buckets, - configured_v4_halfopen_table_memory); - clib_bihash_init_48_8 (&slt->v6_half_open_hash, "v6 half-open table", - configured_v6_halfopen_table_buckets, - configured_v6_halfopen_table_memory); - - session_rules_table_init (&slt->session_rules); + if (fib_proto == FIB_PROTOCOL_IP4 || all) + { + clib_bihash_init2_args_16_8_t _a, *a = &_a; + + memset (a, 0, sizeof (*a)); + a->h = &slt->v4_session_hash; + a->name = "v4 session table"; + a->nbuckets = configured_v4_session_table_buckets; + a->memory_size = configured_v4_session_table_memory; + a->dont_add_to_all_bihash_list = 1; + a->instantiate_immediately = 1; + clib_bihash_init2_16_8 (a); + + memset (a, 0, sizeof (*a)); + a->h = &slt->v4_half_open_hash; + a->name = "v4 half-open table"; + a->nbuckets = configured_v4_halfopen_table_buckets; + a->memory_size = configured_v4_halfopen_table_memory; + a->dont_add_to_all_bihash_list = 1; + a->instantiate_immediately = 1; + clib_bihash_init2_16_8 (a); + } + if (fib_proto == FIB_PROTOCOL_IP6 || all) + { + clib_bihash_init2_args_48_8_t _a, *a = &_a; + + memset (a, 0, sizeof (*a)); + a->h = &slt->v6_session_hash; + a->name = "v6 session table"; + a->nbuckets = configured_v6_session_table_buckets; + a->memory_size = configured_v6_session_table_memory; + a->dont_add_to_all_bihash_list = 1; + a->instantiate_immediately = 1; + clib_bihash_init2_48_8 (a); + + memset (a, 0, sizeof (*a)); + a->h = &slt->v6_half_open_hash; + a->name = "v6 half-open table"; + a->nbuckets = configured_v6_halfopen_table_buckets; + a->memory_size = configured_v6_halfopen_table_memory; + a->dont_add_to_all_bihash_list = 1; + a->instantiate_immediately = 1; + clib_bihash_init2_48_8 (a); + } + + vec_validate (slt->session_rules, TRANSPORT_N_PROTOS - 1); + for (i = 0; i < TRANSPORT_N_PROTOS; i++) + session_rules_table_init (&slt->session_rules[i]); } typedef struct _ip4_session_table_walk_ctx_t @@ -97,11 +140,12 @@ typedef struct _ip4_session_table_walk_ctx_t void *ctx; } ip4_session_table_walk_ctx_t; -void +static int ip4_session_table_walk_cb (clib_bihash_kv_16_8_t * kvp, void *arg) { ip4_session_table_walk_ctx_t *ctx = arg; ctx->fn (kvp, ctx->ctx); + return (BIHASH_WALK_CONTINUE); } void