always_inline int
fa_session_get_timeout_type (acl_main_t * am, fa_session_t * sess)
{
- /* seen both SYNs and ACKs but not FINs means we are in establshed state */
+ /* seen both SYNs and ACKs but not FINs means we are in established state */
u16 masked_flags =
sess->tcp_flags_seen.as_u16 & ((TCP_FLAGS_RSTFINACKSYN << 8) +
TCP_FLAGS_RSTFINACKSYN);
get_session_ptr (acl_main_t * am, u16 thread_index, u32 session_index)
{
acl_fa_per_worker_data_t *pw = &am->per_worker_data[thread_index];
- if (session_index > vec_len (pw->fa_sessions_pool))
- {
- return 0;
- }
+ if (session_index >= vec_len (pw->fa_sessions_pool))
+ return 0;
- fa_session_t *sess = (session_index > vec_len (pw->fa_sessions_pool)) ? 0 :
- pool_elt_at_index (pw->fa_sessions_pool,
- session_index);
- return sess;
+ return pool_elt_at_index (pw->fa_sessions_pool, session_index);
}
always_inline int
}
}
+always_inline int
+is_ip6_5tuple (fa_5tuple_t * p5t)
+{
+ return (p5t->l3_zero_pad[0] | p5t->
+ l3_zero_pad[1] | p5t->l3_zero_pad[2] | p5t->l3_zero_pad[3] | p5t->
+ l3_zero_pad[4] | p5t->l3_zero_pad[5]) != 0;
+}
+
+
+
always_inline u8
acl_fa_track_session (acl_main_t * am, int is_input, u32 sw_if_index, u64 now,
}
always_inline void
-reverse_session_add_del (acl_main_t * am, const int is_ip6,
- clib_bihash_kv_40_8_t * pkv, int is_add)
+reverse_session_add_del_ip6 (acl_main_t * am,
+ clib_bihash_kv_40_8_t * pkv, int is_add)
{
clib_bihash_kv_40_8_t kv2;
- /* the first 4xu64 is two addresses, so just swap them */
kv2.key[0] = pkv->key[2];
kv2.key[1] = pkv->key[3];
kv2.key[2] = pkv->key[0];
kv2.key[3] = pkv->key[1];
/* the last u64 needs special treatment (ports, etc.) */
- kv2.key[4] = reverse_l4_u64 (pkv->key[4], is_ip6);
+ kv2.key[4] = reverse_l4_u64 (pkv->key[4], 1);
kv2.value = pkv->value;
- clib_bihash_add_del_40_8 (&am->fa_sessions_hash, &kv2, is_add);
+ clib_bihash_add_del_40_8 (&am->fa_ip6_sessions_hash, &kv2, is_add);
+}
+
+always_inline void
+reverse_session_add_del_ip4 (acl_main_t * am,
+ clib_bihash_kv_16_8_t * pkv, int is_add)
+{
+ clib_bihash_kv_16_8_t kv2;
+ kv2.key[0] =
+ ((pkv->key[0] & 0xffffffff) << 32) | ((pkv->key[0] >> 32) & 0xffffffff);
+ /* the last u64 needs special treatment (ports, etc.) */
+ kv2.key[1] = reverse_l4_u64 (pkv->key[1], 0);
+ kv2.value = pkv->value;
+ clib_bihash_add_del_16_8 (&am->fa_ip4_sessions_hash, &kv2, is_add);
}
always_inline void
fa_session_t *sess =
get_session_ptr (am, sess_id.thread_index, sess_id.session_index);
ASSERT (sess->thread_index == os_get_thread_index ());
- clib_bihash_add_del_40_8 (&am->fa_sessions_hash, &sess->info.kv, 0);
+ void *oldheap = clib_mem_set_heap (am->acl_mheap);
+ if (sess->is_ip6)
+ {
+ clib_bihash_add_del_40_8 (&am->fa_ip6_sessions_hash,
+ &sess->info.kv_40_8, 0);
+ reverse_session_add_del_ip6 (am, &sess->info.kv_40_8, 0);
+ }
+ else
+ {
+ clib_bihash_add_del_16_8 (&am->fa_ip4_sessions_hash,
+ &sess->info.kv_16_8, 0);
+ reverse_session_add_del_ip4 (am, &sess->info.kv_16_8, 0);
+ }
- reverse_session_add_del (am, sess->info.pkt.is_ip6, &sess->info.kv, 0);
sess->deleted = 1;
clib_smp_atomic_add (&am->fa_session_total_deactivations, 1);
+ clib_mem_set_heap (oldheap);
}
always_inline void
as the caller must have dealt with the timers. */
vec_validate (pw->fa_session_dels_by_sw_if_index, sw_if_index);
clib_mem_set_heap (oldheap);
- clib_smp_atomic_add (&pw->fa_session_dels_by_sw_if_index[sw_if_index], 1);
+ pw->fa_session_dels_by_sw_if_index[sw_if_index]++;
clib_smp_atomic_add (&am->fa_session_total_dels, 1);
}
u32 sw_if_index, u64 now, fa_5tuple_t * p5tuple,
u16 current_policy_epoch)
{
- clib_bihash_kv_40_8_t *pkv = &p5tuple->kv;
- clib_bihash_kv_40_8_t kv;
fa_full_session_id_t f_sess_id;
uword thread_index = os_get_thread_index ();
void *oldheap = clib_mem_set_heap (am->acl_mheap);
f_sess_id.thread_index = thread_index;
fa_session_t *sess;
+ if (f_sess_id.as_u64 == ~0)
+ {
+ clib_error ("Adding session with invalid value");
+ }
+
pool_get_aligned (pw->fa_sessions_pool, sess, CLIB_CACHE_LINE_BYTES);
f_sess_id.session_index = sess - pw->fa_sessions_pool;
f_sess_id.intf_policy_epoch = current_policy_epoch;
- kv.key[0] = pkv->key[0];
- kv.key[1] = pkv->key[1];
- kv.key[2] = pkv->key[2];
- kv.key[3] = pkv->key[3];
- kv.key[4] = pkv->key[4];
- kv.value = f_sess_id.as_u64;
- if (kv.value == ~0)
+ if (is_ip6)
{
- clib_error ("Adding session with invalid value");
+ sess->info.kv_40_8.key[0] = p5tuple->kv_40_8.key[0];
+ sess->info.kv_40_8.key[1] = p5tuple->kv_40_8.key[1];
+ sess->info.kv_40_8.key[2] = p5tuple->kv_40_8.key[2];
+ sess->info.kv_40_8.key[3] = p5tuple->kv_40_8.key[3];
+ sess->info.kv_40_8.key[4] = p5tuple->kv_40_8.key[4];
+ sess->info.kv_40_8.value = f_sess_id.as_u64;
+ }
+ else
+ {
+ sess->info.kv_16_8.key[0] = p5tuple->kv_16_8.key[0];
+ sess->info.kv_16_8.key[1] = p5tuple->kv_16_8.key[1];
+ sess->info.kv_16_8.value = f_sess_id.as_u64;
}
- memcpy (sess, pkv, sizeof (pkv->key));
sess->last_active_time = now;
sess->sw_if_index = sw_if_index;
sess->tcp_flags_seen.as_u16 = 0;
sess->link_prev_idx = FA_SESSION_BOGUS_INDEX;
sess->link_next_idx = FA_SESSION_BOGUS_INDEX;
sess->deleted = 0;
+ sess->is_ip6 = is_ip6;
acl_fa_conn_list_add_session (am, f_sess_id, now);
ASSERT (am->fa_sessions_hash_is_initialized == 1);
-
- reverse_session_add_del (am, is_ip6, &kv, 1);
- clib_bihash_add_del_40_8 (&am->fa_sessions_hash, &kv, 1);
+ if (is_ip6)
+ {
+ reverse_session_add_del_ip6 (am, &sess->info.kv_40_8, 1);
+ clib_bihash_add_del_40_8 (&am->fa_ip6_sessions_hash,
+ &sess->info.kv_40_8, 1);
+ }
+ else
+ {
+ reverse_session_add_del_ip4 (am, &sess->info.kv_16_8, 1);
+ clib_bihash_add_del_16_8 (&am->fa_ip4_sessions_hash,
+ &sess->info.kv_16_8, 1);
+ }
vec_validate (pw->fa_session_adds_by_sw_if_index, sw_if_index);
clib_mem_set_heap (oldheap);
- clib_smp_atomic_add (&pw->fa_session_adds_by_sw_if_index[sw_if_index], 1);
+ pw->fa_session_adds_by_sw_if_index[sw_if_index]++;
clib_smp_atomic_add (&am->fa_session_total_adds, 1);
return sess;
}
always_inline int
-acl_fa_find_session (acl_main_t * am, u32 sw_if_index0, fa_5tuple_t * p5tuple,
- clib_bihash_kv_40_8_t * pvalue_sess)
+acl_fa_find_session (acl_main_t * am, int is_ip6, u32 sw_if_index0,
+ fa_5tuple_t * p5tuple, u64 * pvalue_sess)
{
- return (clib_bihash_search_inline_2_40_8
- (&am->fa_sessions_hash, &p5tuple->kv, pvalue_sess) == 0);
+ int res = 0;
+ if (is_ip6)
+ {
+ clib_bihash_kv_40_8_t kv_result;
+ res = (clib_bihash_search_inline_2_40_8
+ (&am->fa_ip6_sessions_hash, &p5tuple->kv_40_8, &kv_result) == 0);
+ *pvalue_sess = kv_result.value;
+ }
+ else
+ {
+ clib_bihash_kv_16_8_t kv_result;
+ res = (clib_bihash_search_inline_2_16_8
+ (&am->fa_ip4_sessions_hash, &p5tuple->kv_16_8, &kv_result) == 0);
+ *pvalue_sess = kv_result.value;
+ }
+ return res;
}
/*
Code Review / vpp.git / blobdiff