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authorXiaoming Jiang <jiangxiaoming@outlook.com>2022-10-08 02:40:45 +0000
committerFan Zhang <fanzhang.oss@gmail.com>2022-11-21 15:33:21 +0000
commite479eae29a33a7bff7eb875d82760d60326a73cb (patch)
treebf6008b861360b18d3b6d026cc03791d8fd29d12 /src/vnet/ipsec
parentdfd169816e4d63fa2f586bbad5820eb80f483733 (diff)
ipsec: improve ipsec policy adding performance
Type: improvement Signed-off-by: jiangxiaoming <jiangxiaoming@outlook.com> Change-Id: I91ba1ff4c1085f4aca60ca111cbbaf14a3b4d761
Diffstat (limited to 'src/vnet/ipsec')
-rw-r--r--src/vnet/ipsec/ipsec_spd_policy.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/src/vnet/ipsec/ipsec_spd_policy.c b/src/vnet/ipsec/ipsec_spd_policy.c
index 5261621b64a..d5310a61cbd 100644
--- a/src/vnet/ipsec/ipsec_spd_policy.c
+++ b/src/vnet/ipsec/ipsec_spd_policy.c
@@ -24,22 +24,6 @@ vlib_combined_counter_main_t ipsec_spd_policy_counters = {
.stat_segment_name = "/net/ipsec/policy",
};
-static int
-ipsec_spd_entry_sort (void *a1, void *a2)
-{
- ipsec_main_t *im = &ipsec_main;
- u32 *id1 = a1;
- u32 *id2 = a2;
- ipsec_policy_t *p1, *p2;
-
- p1 = pool_elt_at_index (im->policies, *id1);
- p2 = pool_elt_at_index (im->policies, *id2);
- if (p1 && p2)
- return p2->priority - p1->priority;
-
- return 0;
-}
-
int
ipsec_policy_mk_type (bool is_outbound,
bool is_ipv6,
@@ -189,6 +173,7 @@ ipsec_add_del_policy (vlib_main_t * vm,
if (is_add)
{
u32 policy_index;
+ u32 i;
if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
{
@@ -216,9 +201,20 @@ ipsec_add_del_policy (vlib_main_t * vm,
vlib_validate_combined_counter (&ipsec_spd_policy_counters,
policy_index);
vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index);
- vec_add1 (spd->policies[policy->type], policy_index);
- vec_sort_with_function (spd->policies[policy->type],
- ipsec_spd_entry_sort);
+
+ vec_foreach_index (i, spd->policies[policy->type])
+ {
+ ipsec_policy_t *p =
+ pool_elt_at_index (im->policies, spd->policies[policy->type][i]);
+
+ if (p->priority <= vp->priority)
+ {
+ break;
+ }
+ }
+
+ vec_insert_elts (spd->policies[policy->type], &policy_index, 1, i);
+
*stat_index = policy_index;
}
else