#include <vnet/ipsec/ipsec.h>
#include <vnet/ipsec/esp.h>
#include <vnet/ipsec/ah.h>
+#include <vnet/ipsec/ipsec_tun.h>
+
+/* Flow cache is sized for 1 million flows with a load factor of .25.
+ */
+#define IPSEC4_OUT_SPD_DEFAULT_HASH_NUM_BUCKETS (1 << 22)
ipsec_main_t ipsec_main;
esp_async_post_next_t esp_encrypt_async_next;
im->async_mode = 0;
crypto_engine_backend_register_post_node (vm);
+ im->ipsec4_out_spd_hash_tbl = NULL;
+ im->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;
+
return 0;
}
VLIB_INIT_FUNCTION (ipsec_init);
+static clib_error_t *
+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;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "ipv4-outbound-spd-flow-cache on"))
+ im->flow_cache_flag = 1;
+ else if (unformat (input, "ipv4-outbound-spd-flow-cache off"))
+ im->flow_cache_flag = 0;
+ else if (unformat (input, "ipv4-outbound-spd-hash-buckets %d",
+ &ipsec4_out_spd_hash_num_buckets))
+ {
+ /* Size of hash is power of 2 >= number of buckets */
+ im->ipsec4_out_spd_hash_num_buckets =
+ 1ULL << max_log2 (ipsec4_out_spd_hash_num_buckets);
+ }
+ else if (unformat (input, "ip4 %U", unformat_vlib_cli_sub_input,
+ &sub_input))
+ {
+ uword table_size = ~0;
+ u32 n_buckets = ~0;
+
+ while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&sub_input, "num-buckets %u", &n_buckets))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, &sub_input);
+ }
+
+ ipsec_tun_table_init (AF_IP4, table_size, n_buckets);
+ }
+ else if (unformat (input, "ip6 %U", unformat_vlib_cli_sub_input,
+ &sub_input))
+ {
+ uword table_size = ~0;
+ u32 n_buckets = ~0;
+
+ while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&sub_input, "num-buckets %u", &n_buckets))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, &sub_input);
+ }
+
+ ipsec_tun_table_init (AF_IP6, table_size, n_buckets);
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ if (im->flow_cache_flag)
+ {
+ vec_add2 (im->ipsec4_out_spd_hash_tbl, im->ipsec4_out_spd_hash_tbl,
+ im->ipsec4_out_spd_hash_num_buckets);
+ }
+
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (ipsec_config, "ipsec");
+
/*
* fd.io coding-style-patch-verification: ON
*