diff options
Diffstat (limited to 'src/vnet/ipsec/ipsec.c')
| -rw-r--r-- | src/vnet/ipsec/ipsec.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c index 5cc8044e3d4..2749b04587b 100644 --- a/src/vnet/ipsec/ipsec.c +++ b/src/vnet/ipsec/ipsec.c @@ -31,6 +31,10 @@ */ #define IPSEC4_OUT_SPD_DEFAULT_HASH_NUM_BUCKETS (1 << 22) +/* Flow cache is sized for 1 million flows with a load factor of .25. + */ +#define IPSEC4_SPD_DEFAULT_HASH_NUM_BUCKETS (1 << 22) + ipsec_main_t ipsec_main; esp_async_post_next_t esp_encrypt_async_next; esp_async_post_next_t esp_decrypt_async_next; @@ -554,12 +558,18 @@ ipsec_init (vlib_main_t * vm) crypto_engine_backend_register_post_node (vm); im->ipsec4_out_spd_hash_tbl = NULL; - im->flow_cache_flag = 0; + im->output_flow_cache_flag = 0; im->ipsec4_out_spd_flow_cache_entries = 0; im->epoch_count = 0; im->ipsec4_out_spd_hash_num_buckets = IPSEC4_OUT_SPD_DEFAULT_HASH_NUM_BUCKETS; + im->ipsec4_in_spd_hash_tbl = NULL; + im->input_flow_cache_flag = 0; + im->ipsec4_in_spd_flow_cache_entries = 0; + im->input_epoch_count = 0; + im->ipsec4_in_spd_hash_num_buckets = IPSEC4_SPD_DEFAULT_HASH_NUM_BUCKETS; + return 0; } @@ -570,14 +580,16 @@ ipsec_config (vlib_main_t *vm, unformat_input_t *input) { ipsec_main_t *im = &ipsec_main; unformat_input_t sub_input; + u32 ipsec4_out_spd_hash_num_buckets; + u32 ipsec4_in_spd_hash_num_buckets; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "ipv4-outbound-spd-flow-cache on")) - im->flow_cache_flag = 1; + im->output_flow_cache_flag = 1; else if (unformat (input, "ipv4-outbound-spd-flow-cache off")) - im->flow_cache_flag = 0; + im->output_flow_cache_flag = 0; else if (unformat (input, "ipv4-outbound-spd-hash-buckets %d", &ipsec4_out_spd_hash_num_buckets)) { @@ -585,6 +597,16 @@ ipsec_config (vlib_main_t *vm, unformat_input_t *input) im->ipsec4_out_spd_hash_num_buckets = 1ULL << max_log2 (ipsec4_out_spd_hash_num_buckets); } + else if (unformat (input, "ipv4-inbound-spd-flow-cache on")) + im->input_flow_cache_flag = 1; + else if (unformat (input, "ipv4-inbound-spd-flow-cache off")) + im->input_flow_cache_flag = 0; + else if (unformat (input, "ipv4-inbound-spd-hash-buckets %d", + &ipsec4_in_spd_hash_num_buckets)) + { + im->ipsec4_in_spd_hash_num_buckets = + 1ULL << max_log2 (ipsec4_in_spd_hash_num_buckets); + } else if (unformat (input, "ip4 %U", unformat_vlib_cli_sub_input, &sub_input)) { @@ -623,11 +645,16 @@ ipsec_config (vlib_main_t *vm, unformat_input_t *input) return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } - if (im->flow_cache_flag) + if (im->output_flow_cache_flag) { vec_add2 (im->ipsec4_out_spd_hash_tbl, im->ipsec4_out_spd_hash_tbl, im->ipsec4_out_spd_hash_num_buckets); } + if (im->input_flow_cache_flag) + { + vec_add2 (im->ipsec4_in_spd_hash_tbl, im->ipsec4_in_spd_hash_tbl, + im->ipsec4_in_spd_hash_num_buckets); + } return 0; } |