diff options
Diffstat (limited to 'src/vnet/ipsec/ipsec_spd_policy.c')
-rw-r--r-- | src/vnet/ipsec/ipsec_spd_policy.c | 260 |
1 files changed, 116 insertions, 144 deletions
diff --git a/src/vnet/ipsec/ipsec_spd_policy.c b/src/vnet/ipsec/ipsec_spd_policy.c index 0a576595a5a..5ad147b934f 100644 --- a/src/vnet/ipsec/ipsec_spd_policy.c +++ b/src/vnet/ipsec/ipsec_spd_policy.c @@ -15,16 +15,81 @@ #include <vnet/ipsec/ipsec.h> +/** + * @brief + * Policy packet & bytes counters + */ +vlib_combined_counter_main_t ipsec_spd_policy_counters = { + .name = "policy", + .stat_segment_name = "/net/ipsec/policy", +}; + +static int +ipsec_policy_is_equal (ipsec_policy_t * p1, ipsec_policy_t * p2) +{ + if (p1->priority != p2->priority) + return 0; + if (p1->is_outbound != p2->is_outbound) + return (0); + if (p1->policy != p2->policy) + return (0); + if (p1->sa_id != p2->sa_id) + return (0); + if (p1->protocol != p2->protocol) + return (0); + if (p1->lport.start != p2->lport.start) + return (0); + if (p1->lport.stop != p2->lport.stop) + return (0); + if (p1->rport.start != p2->rport.start) + return (0); + if (p1->rport.stop != p2->rport.stop) + return (0); + if (p1->is_ipv6 != p2->is_ipv6) + return (0); + if (p2->is_ipv6) + { + if (p1->laddr.start.ip6.as_u64[0] != p2->laddr.start.ip6.as_u64[0]) + return (0); + if (p1->laddr.start.ip6.as_u64[1] != p2->laddr.start.ip6.as_u64[1]) + return (0); + if (p1->laddr.stop.ip6.as_u64[0] != p2->laddr.stop.ip6.as_u64[0]) + return (0); + if (p1->laddr.stop.ip6.as_u64[1] != p2->laddr.stop.ip6.as_u64[1]) + return (0); + if (p1->raddr.start.ip6.as_u64[0] != p2->raddr.start.ip6.as_u64[0]) + return (0); + if (p1->raddr.start.ip6.as_u64[1] != p2->raddr.start.ip6.as_u64[1]) + return (0); + if (p1->raddr.stop.ip6.as_u64[0] != p2->raddr.stop.ip6.as_u64[0]) + return (0); + if (p1->laddr.stop.ip6.as_u64[1] != p2->laddr.stop.ip6.as_u64[1]) + return (0); + } + else + { + if (p1->laddr.start.ip4.as_u32 != p2->laddr.start.ip4.as_u32) + return (0); + if (p1->laddr.stop.ip4.as_u32 != p2->laddr.stop.ip4.as_u32) + return (0); + if (p1->raddr.start.ip4.as_u32 != p2->raddr.start.ip4.as_u32) + return (0); + if (p1->raddr.stop.ip4.as_u32 != p2->raddr.stop.ip4.as_u32) + return (0); + } + return (1); +} + static int ipsec_spd_entry_sort (void *a1, void *a2) { + ipsec_main_t *im = &ipsec_main; u32 *id1 = a1; u32 *id2 = a2; - ipsec_spd_t *spd = ipsec_main.spd_to_sort; ipsec_policy_t *p1, *p2; - p1 = pool_elt_at_index (spd->policies, *id1); - p2 = pool_elt_at_index (spd->policies, *id2); + p1 = pool_elt_at_index (im->policies, *id1); + p2 = pool_elt_at_index (im->policies, *id2); if (p1 && p2) return p2->priority - p1->priority; @@ -32,13 +97,14 @@ ipsec_spd_entry_sort (void *a1, void *a2) } int -ipsec_add_del_policy (vlib_main_t * vm, ipsec_policy_t * policy, int is_add) +ipsec_add_del_policy (vlib_main_t * vm, + ipsec_policy_t * policy, int is_add, u32 * stat_index) { ipsec_main_t *im = &ipsec_main; ipsec_spd_t *spd = 0; ipsec_policy_t *vp; - uword *p; u32 spd_index; + uword *p; clib_warning ("policy-id %u priority %d is_outbound %u", policy->id, policy->priority, policy->is_outbound); @@ -65,24 +131,30 @@ ipsec_add_del_policy (vlib_main_t * vm, ipsec_policy_t * policy, int is_add) { u32 policy_index; - pool_get (spd->policies, vp); + pool_get (im->policies, vp); clib_memcpy (vp, policy, sizeof (*vp)); - policy_index = vp - spd->policies; + policy_index = vp - im->policies; - ipsec_main.spd_to_sort = spd; + vlib_validate_combined_counter (&ipsec_spd_policy_counters, + policy_index); + vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index); if (policy->is_outbound) { if (policy->is_ipv6) { - vec_add1 (spd->ipv6_outbound_policies, policy_index); - vec_sort_with_function (spd->ipv6_outbound_policies, + vec_add1 (spd->policies[IPSEC_SPD_POLICY_IP6_OUTBOUND], + policy_index); + vec_sort_with_function (spd->policies + [IPSEC_SPD_POLICY_IP6_OUTBOUND], ipsec_spd_entry_sort); } else { - vec_add1 (spd->ipv4_outbound_policies, policy_index); - vec_sort_with_function (spd->ipv4_outbound_policies, + vec_add1 (spd->policies[IPSEC_SPD_POLICY_IP4_OUTBOUND], + policy_index); + vec_sort_with_function (spd->policies + [IPSEC_SPD_POLICY_IP4_OUTBOUND], ipsec_spd_entry_sort); } } @@ -92,19 +164,20 @@ ipsec_add_del_policy (vlib_main_t * vm, ipsec_policy_t * policy, int is_add) { if (policy->policy == IPSEC_POLICY_ACTION_PROTECT) { - vec_add1 (spd->ipv6_inbound_protect_policy_indices, + vec_add1 (spd->policies + [IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT], policy_index); - vec_sort_with_function - (spd->ipv6_inbound_protect_policy_indices, - ipsec_spd_entry_sort); + vec_sort_with_function (spd->policies + [IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT], + ipsec_spd_entry_sort); } else { vec_add1 - (spd->ipv6_inbound_policy_discard_and_bypass_indices, + (spd->policies[IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS], policy_index); vec_sort_with_function - (spd->ipv6_inbound_policy_discard_and_bypass_indices, + (spd->policies[IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS], ipsec_spd_entry_sort); } } @@ -112,146 +185,45 @@ ipsec_add_del_policy (vlib_main_t * vm, ipsec_policy_t * policy, int is_add) { if (policy->policy == IPSEC_POLICY_ACTION_PROTECT) { - vec_add1 (spd->ipv4_inbound_protect_policy_indices, + vec_add1 (spd->policies + [IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT], policy_index); - vec_sort_with_function - (spd->ipv4_inbound_protect_policy_indices, - ipsec_spd_entry_sort); + vec_sort_with_function (spd->policies + [IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT], + ipsec_spd_entry_sort); } else { vec_add1 - (spd->ipv4_inbound_policy_discard_and_bypass_indices, + (spd->policies[IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS], policy_index); vec_sort_with_function - (spd->ipv4_inbound_policy_discard_and_bypass_indices, + (spd->policies[IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS], ipsec_spd_entry_sort); } } } - - ipsec_main.spd_to_sort = NULL; + *stat_index = policy_index; } else { - u32 i, j; - /* *INDENT-OFF* */ - pool_foreach_index(i, spd->policies, ({ - vp = pool_elt_at_index(spd->policies, i); - if (vp->priority != policy->priority) - continue; - if (vp->is_outbound != policy->is_outbound) - continue; - if (vp->policy != policy->policy) - continue; - if (vp->sa_id != policy->sa_id) - continue; - if (vp->protocol != policy->protocol) - continue; - if (vp->lport.start != policy->lport.start) - continue; - if (vp->lport.stop != policy->lport.stop) - continue; - if (vp->rport.start != policy->rport.start) - continue; - if (vp->rport.stop != policy->rport.stop) - continue; - if (vp->is_ipv6 != policy->is_ipv6) - continue; - if (policy->is_ipv6) - { - if (vp->laddr.start.ip6.as_u64[0] != policy->laddr.start.ip6.as_u64[0]) - continue; - if (vp->laddr.start.ip6.as_u64[1] != policy->laddr.start.ip6.as_u64[1]) - continue; - if (vp->laddr.stop.ip6.as_u64[0] != policy->laddr.stop.ip6.as_u64[0]) - continue; - if (vp->laddr.stop.ip6.as_u64[1] != policy->laddr.stop.ip6.as_u64[1]) - continue; - if (vp->raddr.start.ip6.as_u64[0] != policy->raddr.start.ip6.as_u64[0]) - continue; - if (vp->raddr.start.ip6.as_u64[1] != policy->raddr.start.ip6.as_u64[1]) - continue; - if (vp->raddr.stop.ip6.as_u64[0] != policy->raddr.stop.ip6.as_u64[0]) - continue; - if (vp->laddr.stop.ip6.as_u64[1] != policy->laddr.stop.ip6.as_u64[1]) - continue; - if (policy->is_outbound) - { - vec_foreach_index(j, spd->ipv6_outbound_policies) { - if (vec_elt(spd->ipv6_outbound_policies, j) == i) { - vec_del1 (spd->ipv6_outbound_policies, j); - break; - } - } - } - else - { - if (policy->policy == IPSEC_POLICY_ACTION_PROTECT) - { - vec_foreach_index(j, spd->ipv6_inbound_protect_policy_indices) { - if (vec_elt(spd->ipv6_inbound_protect_policy_indices, j) == i) { - vec_del1 (spd->ipv6_inbound_protect_policy_indices, j); - break; - } - } - } - else - { - vec_foreach_index(j, spd->ipv6_inbound_policy_discard_and_bypass_indices) { - if (vec_elt(spd->ipv6_inbound_policy_discard_and_bypass_indices, j) == i) { - vec_del1 (spd->ipv6_inbound_policy_discard_and_bypass_indices, j); - break; - } - } - } - } - } - else - { - if (vp->laddr.start.ip4.as_u32 != policy->laddr.start.ip4.as_u32) - continue; - if (vp->laddr.stop.ip4.as_u32 != policy->laddr.stop.ip4.as_u32) - continue; - if (vp->raddr.start.ip4.as_u32 != policy->raddr.start.ip4.as_u32) - continue; - if (vp->raddr.stop.ip4.as_u32 != policy->raddr.stop.ip4.as_u32) - continue; - if (policy->is_outbound) - { - vec_foreach_index(j, spd->ipv4_outbound_policies) { - if (vec_elt(spd->ipv4_outbound_policies, j) == i) { - vec_del1 (spd->ipv4_outbound_policies, j); - break; - } - } - } - else - { - if (policy->policy == IPSEC_POLICY_ACTION_PROTECT) - { - vec_foreach_index(j, spd->ipv4_inbound_protect_policy_indices) { - if (vec_elt(spd->ipv4_inbound_protect_policy_indices, j) == i) { - vec_del1 (spd->ipv4_inbound_protect_policy_indices, j); - break; - } - } - } - else - { - vec_foreach_index(j, spd->ipv4_inbound_policy_discard_and_bypass_indices) { - if (vec_elt(spd->ipv4_inbound_policy_discard_and_bypass_indices, j) == i) { - vec_del1 (spd->ipv4_inbound_policy_discard_and_bypass_indices, j); - break; - } - } - } - } - } - pool_put (spd->policies, vp); - break; - })); - /* *INDENT-ON* */ + ipsec_spd_policy_t ptype; + u32 ii; + + FOR_EACH_IPSEC_SPD_POLICY_TYPE (ptype) + { + vec_foreach_index (ii, (spd->policies[ptype])) + { + vp = pool_elt_at_index (im->policies, spd->policies[ptype][ii]); + if (ipsec_policy_is_equal (vp, policy)) + { + vec_del1 (spd->policies[ptype], ii); + pool_put (im->policies, vp); + goto done; + } + } + } + done:; } return 0; |