diff options
| author |   Filip Tehlar <ftehlar@cisco.com> | 2020-03-31 05:59:41 +0000 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2020-04-07 12:29:09 +0000 |
| commit | 59fea5a6a3fafe0a5a0d2f543db53af790013e3a (patch) | |
| tree | 270cef072f0fcb11bb29c02a4119bed43a6f157e /src/plugins/ikev2/ikev2.c | |
| parent | 483a3d819abf13a95b5ded65c3efa360e9b4fdf0 (diff) | |
ikev2: make liveness params configurable
Introduce new cli for setting liveness check period and max retries for
a peer to consider its partner dead.
ikev2 set liveness <period-in-seconds> <max-retires>
Type: improvement
Change-Id: Iadae1de245d34fe3ee85e09b570f9df8c401772b
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/plugins/ikev2/ikev2.c')
| -rw-r--r-- | src/plugins/ikev2/ikev2.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/plugins/ikev2/ikev2.c b/src/plugins/ikev2/ikev2.c index 892f57cd1d6..45da023f104 100644 --- a/src/plugins/ikev2/ikev2.c +++ b/src/plugins/ikev2/ikev2.c @@ -29,7 +29,7 @@ #include <plugins/ikev2/ikev2_priv.h> #include <openssl/sha.h> -#define IKEV2_LIVENESS_RETRIES 2 +#define IKEV2_LIVENESS_RETRIES 3 #define IKEV2_LIVENESS_PERIOD_CHECK 30 ikev2_main_t ikev2_main; @@ -2309,7 +2309,7 @@ ikev2_init_sa (ikev2_sa_t * sa) { ikev2_main_t *km = &ikev2_main; sa->liveness_period_check = - vlib_time_now (km->vlib_main) + IKEV2_LIVENESS_PERIOD_CHECK; + vlib_time_now (km->vlib_main) + km->liveness_period; } static uword @@ -3710,6 +3710,8 @@ ikev2_init (vlib_main_t * vm) km->vnet_main = vnet_get_main (); km->vlib_main = vm; + km->liveness_period = IKEV2_LIVENESS_PERIOD_CHECK; + km->liveness_max_retries = IKEV2_LIVENESS_RETRIES; ikev2_crypto_init (km); mhash_init_vec_string (&km->profile_index_by_name, sizeof (uword)); @@ -3847,6 +3849,19 @@ ikev2_set_log_level (ikev2_log_level_t log_level) return 0; } +clib_error_t * +ikev2_set_liveness_params (u32 period, u32 max_retries) +{ + ikev2_main_t *km = &ikev2_main; + + if (period == 0 || max_retries == 0) + return clib_error_return (0, "invalid args"); + + km->liveness_period = period; + km->liveness_max_retries = max_retries; + return 0; +} + static void ikev2_mngr_process_ipsec_sa (ipsec_sa_t * ipsec_sa) { @@ -3963,7 +3978,7 @@ ikev2_mngr_process_responder_sas (ikev2_sa_t * sa) if (!sa->sk_ai || !sa->sk_ar) return 0; - if (sa->liveness_retries > IKEV2_LIVENESS_RETRIES) + if (sa->liveness_retries >= km->liveness_max_retries) return 1; f64 now = vlib_time_now (vm); @@ -3971,7 +3986,7 @@ ikev2_mngr_process_responder_sas (ikev2_sa_t * sa) if (sa->liveness_period_check < now) { sa->liveness_retries++; - sa->liveness_period_check = now + IKEV2_LIVENESS_PERIOD_CHECK; + sa->liveness_period_check = now + km->liveness_period; ikev2_send_informational_request (sa); } return 0; |