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Diffstat (limited to 'src/plugins/acl/acl.c')
-rw-r--r--src/plugins/acl/acl.c156
1 files changed, 114 insertions, 42 deletions
diff --git a/src/plugins/acl/acl.c b/src/plugins/acl/acl.c
index 6cd2d0c6..bc38265a 100644
--- a/src/plugins/acl/acl.c
+++ b/src/plugins/acl/acl.c
@@ -83,6 +83,18 @@ VLIB_PLUGIN_REGISTER () = {
};
/* *INDENT-ON* */
+
+static void *
+acl_set_heap(acl_main_t *am)
+{
+ if (0 == am->acl_mheap) {
+ am->acl_mheap = mheap_alloc (0 /* use VM */ , 2 << 29);
+ }
+ void *oldheap = clib_mem_set_heap(am->acl_mheap);
+ return oldheap;
+}
+
+
static void
vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
{
@@ -130,7 +142,7 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
acl_main_t *am = &acl_main;
acl_list_t *a;
acl_rule_t *r;
- acl_rule_t *acl_new_rules;
+ acl_rule_t *acl_new_rules = 0;
int i;
if (*acl_list_index != ~0)
@@ -139,22 +151,23 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
if (pool_is_free_index (am->acls, *acl_list_index))
{
/* tried to replace a non-existent ACL, no point doing anything */
+ clib_warning("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)", *acl_list_index, tag);
return -1;
}
}
+ if (0 == count) {
+ clib_warning("acl-plugin-warning: supplied no rules for ACL %d (tag %s)", *acl_list_index, tag);
+ }
+
+ void *oldheap = acl_set_heap(am);
/* Create and populate the rules */
- acl_new_rules = clib_mem_alloc_aligned (sizeof (acl_rule_t) * count,
- CLIB_CACHE_LINE_BYTES);
- if (!acl_new_rules)
- {
- /* Could not allocate rules. New or existing ACL - bail out regardless */
- return -1;
- }
+ if (count > 0)
+ vec_validate(acl_new_rules, count-1);
for (i = 0; i < count; i++)
{
- r = &acl_new_rules[i];
+ r = vec_elt_at_index(acl_new_rules, i);
memset(r, 0, sizeof(*r));
r->is_permit = rules[i].is_permit;
r->is_ipv6 = rules[i].is_ipv6;
@@ -192,13 +205,14 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
a = am->acls + *acl_list_index;
hash_acl_delete(am, *acl_list_index);
/* Get rid of the old rules */
- clib_mem_free (a->rules);
+ if (a->rules)
+ vec_free (a->rules);
}
a->rules = acl_new_rules;
a->count = count;
memcpy (a->tag, tag, sizeof (a->tag));
hash_acl_add(am, *acl_list_index);
-
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -226,6 +240,7 @@ acl_del_list (u32 acl_list_index)
}
}
+ void *oldheap = acl_set_heap(am);
/* delete any references to the ACL */
for (i = 0; i < vec_len (am->output_acl_vec_by_sw_if_index); i++)
{
@@ -263,10 +278,10 @@ acl_del_list (u32 acl_list_index)
/* now we can delete the ACL itself */
a = &am->acls[acl_list_index];
if (a->rules)
- {
- clib_mem_free (a->rules);
- }
+ vec_free (a->rules);
+
pool_put (am->acls, a);
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -359,13 +374,15 @@ acl_classify_add_del_table_tiny (vnet_classify_main_t * cm, u8 * mask,
if (0 == match)
match = 1;
-
- return vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
+ void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
+ int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
memory_size, skip, match,
next_table_index, miss_next_index,
table_index, current_data_flag,
current_data_offset, is_add,
1 /* delete_chain */);
+ clib_mem_set_heap (oldheap);
+ return ret;
}
static int
@@ -385,12 +402,15 @@ acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
if (0 == match)
match = 1;
- return vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
+ void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
+ int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
memory_size, skip, match,
next_table_index, miss_next_index,
table_index, current_data_flag,
current_data_offset, is_add,
1 /* delete_chain */);
+ return ret;
+ clib_mem_set_heap (oldheap);
}
@@ -400,12 +420,15 @@ acl_unhook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
vnet_classify_main_t *cm = &vnet_classify_main;
u32 ip4_table_index = ~0;
u32 ip6_table_index = ~0;
+ void *oldheap = acl_set_heap(am);
vec_validate_init_empty (am->acl_ip4_input_classify_table_by_sw_if_index,
sw_if_index, ~0);
vec_validate_init_empty (am->acl_ip6_input_classify_table_by_sw_if_index,
sw_if_index, ~0);
+ /* switch to global heap while calling vnet_* functions */
+ clib_mem_set_heap (cm->vlib_main->heap_base);
vnet_l2_input_classify_enable_disable (sw_if_index, 0);
if (am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
@@ -428,7 +451,7 @@ acl_unhook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
am->l2_input_classify_next_acl_ip6,
&ip6_table_index, 0);
}
-
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -438,12 +461,16 @@ acl_unhook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
vnet_classify_main_t *cm = &vnet_classify_main;
u32 ip4_table_index = ~0;
u32 ip6_table_index = ~0;
+ void *oldheap = acl_set_heap(am);
vec_validate_init_empty (am->acl_ip4_output_classify_table_by_sw_if_index,
sw_if_index, ~0);
vec_validate_init_empty (am->acl_ip6_output_classify_table_by_sw_if_index,
sw_if_index, ~0);
+ /* switch to global heap while calling vnet_* functions */
+ clib_mem_set_heap (cm->vlib_main->heap_base);
+
vnet_l2_output_classify_enable_disable (sw_if_index, 0);
if (am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
@@ -466,7 +493,7 @@ acl_unhook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
am->l2_output_classify_next_acl_ip6,
&ip6_table_index, 0);
}
-
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -478,6 +505,8 @@ acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
u32 ip6_table_index = ~0;
int rv;
+ void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
+
/* in case there were previous tables attached */
acl_unhook_l2_input_classify (am, sw_if_index);
rv =
@@ -486,7 +515,7 @@ acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
am->l2_input_classify_next_acl_ip4,
&ip4_table_index, 1);
if (rv)
- return rv;
+ goto done;
rv =
acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
sizeof (ip6_5tuple_mask) - 1, ~0,
@@ -498,7 +527,7 @@ acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
sizeof (ip4_5tuple_mask) - 1, ~0,
am->l2_input_classify_next_acl_ip4,
&ip4_table_index, 0);
- return rv;
+ goto done;
}
rv =
vnet_l2_input_classify_set_tables (sw_if_index, ip4_table_index,
@@ -516,7 +545,7 @@ acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
sizeof (ip4_5tuple_mask) - 1, ~0,
am->l2_input_classify_next_acl_ip4,
&ip4_table_index, 0);
- return rv;
+ goto done;
}
am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] =
@@ -525,6 +554,8 @@ acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
ip6_table_index;
vnet_l2_input_classify_enable_disable (sw_if_index, 1);
+done:
+ clib_mem_set_heap (prevheap);
return rv;
}
@@ -536,6 +567,8 @@ acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
u32 ip6_table_index = ~0;
int rv;
+ void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
+
/* in case there were previous tables attached */
acl_unhook_l2_output_classify (am, sw_if_index);
rv =
@@ -544,7 +577,7 @@ acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
am->l2_output_classify_next_acl_ip4,
&ip4_table_index, 1);
if (rv)
- return rv;
+ goto done;
rv =
acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
sizeof (ip6_5tuple_mask) - 1, ~0,
@@ -556,7 +589,7 @@ acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
sizeof (ip4_5tuple_mask) - 1, ~0,
am->l2_output_classify_next_acl_ip4,
&ip4_table_index, 0);
- return rv;
+ goto done;
}
rv =
vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index,
@@ -574,7 +607,7 @@ acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
sizeof (ip4_5tuple_mask) - 1, ~0,
am->l2_output_classify_next_acl_ip4,
&ip4_table_index, 0);
- return rv;
+ goto done;
}
am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] =
@@ -583,6 +616,8 @@ acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
ip6_table_index;
vnet_l2_output_classify_enable_disable (sw_if_index, 1);
+done:
+ clib_mem_set_heap (prevheap);
return rv;
}
@@ -653,6 +688,7 @@ acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
/* ACL is not defined. Can not apply */
return -1;
}
+ void *oldheap = acl_set_heap(am);
if (is_input)
{
@@ -663,6 +699,7 @@ acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
clib_warning("ACL %d is already applied inbound on sw_if_index %d (index %d)",
acl_list_index, sw_if_index, index);
/* the entry is already there */
+ clib_mem_set_heap (oldheap);
return -1;
}
/* if there was no ACL applied before, enable the ACL processing */
@@ -684,6 +721,7 @@ acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
clib_warning("ACL %d is already applied outbound on sw_if_index %d (index %d)",
acl_list_index, sw_if_index, index);
/* the entry is already there */
+ clib_mem_set_heap (oldheap);
return -1;
}
/* if there was no ACL applied before, enable the ACL processing */
@@ -696,6 +734,7 @@ acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
vec_add (am->output_sw_if_index_vec_by_acl[acl_list_index], &sw_if_index,
1);
}
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -706,6 +745,7 @@ acl_interface_del_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
acl_main_t *am = &acl_main;
int i;
int rv = -1;
+ void *oldheap = acl_set_heap(am);
if (is_input)
{
vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
@@ -764,6 +804,7 @@ acl_interface_del_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
acl_interface_out_enable_disable (am, sw_if_index, 0);
}
}
+ clib_mem_set_heap (oldheap);
return rv;
}
@@ -772,6 +813,7 @@ acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input)
{
acl_main_t *am = &acl_main;
int i;
+ void *oldheap = acl_set_heap(am);
if (is_input)
{
vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
@@ -812,6 +854,7 @@ acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input)
vec_reset_length (am->output_acl_vec_by_sw_if_index[sw_if_index]);
}
+ clib_mem_set_heap (oldheap);
}
static int
@@ -820,6 +863,7 @@ acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
{
int rv = -1;
acl_main_t *am = &acl_main;
+ void *oldheap = acl_set_heap(am);
if (is_add)
{
rv =
@@ -835,6 +879,7 @@ acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
rv =
acl_interface_del_inout_acl (sw_if_index, is_input, acl_list_index);
}
+ clib_mem_set_heap (oldheap);
return rv;
}
@@ -1015,6 +1060,7 @@ macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
macip_find_match_type (mvec, a->rules[i].src_mac_mask,
a->rules[i].src_prefixlen,
a->rules[i].is_ipv6);
+ ASSERT(match_type_index != ~0);
/* add session to table mvec[match_type_index].table_index; */
vnet_classify_add_del_session (cm, mvec[match_type_index].table_index,
mask, a->rules[i].is_permit ? ~0 : 0, i,
@@ -1066,17 +1112,15 @@ macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
acl_main_t *am = &acl_main;
macip_acl_list_t *a;
macip_acl_rule_t *r;
- macip_acl_rule_t *acl_new_rules;
+ macip_acl_rule_t *acl_new_rules = 0;
int i;
-
+ if (0 == count) {
+ clib_warning("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)", tag);
+ }
+ void *oldheap = acl_set_heap(am);
/* Create and populate the rules */
- acl_new_rules = clib_mem_alloc_aligned (sizeof (macip_acl_rule_t) * count,
- CLIB_CACHE_LINE_BYTES);
- if (!acl_new_rules)
- {
- /* Could not allocate rules. New or existing ACL - bail out regardless */
- return -1;
- }
+ if (count > 0)
+ vec_validate(acl_new_rules, count-1);
for (i = 0; i < count; i++)
{
@@ -1104,7 +1148,7 @@ macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
/* Create and populate the classifer tables */
macip_create_classify_tables (am, *acl_list_index);
-
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -1117,7 +1161,9 @@ macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
int rv;
u32 macip_acl_index;
macip_acl_list_t *a;
+ void *oldheap = acl_set_heap(am);
vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
+ clib_mem_set_heap (oldheap);
macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
/* No point in deleting MACIP ACL which is not applied */
if (~0 == macip_acl_index)
@@ -1144,12 +1190,15 @@ macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
{
return -1;
}
+ void *oldheap = acl_set_heap(am);
a = &am->macip_acls[macip_acl_index];
vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
/* If there already a MACIP ACL applied, unapply it */
if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
macip_acl_interface_del_acl(am, sw_if_index);
am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
+ clib_mem_set_heap (oldheap);
+
/* Apply the classifier tables for L2 ACLs */
rv =
vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
@@ -1161,6 +1210,7 @@ static int
macip_acl_del_list (u32 acl_list_index)
{
acl_main_t *am = &acl_main;
+ void *oldheap = acl_set_heap(am);
macip_acl_list_t *a;
int i;
if (pool_is_free_index (am->macip_acls, acl_list_index))
@@ -1184,9 +1234,10 @@ macip_acl_del_list (u32 acl_list_index)
a = &am->macip_acls[acl_list_index];
if (a->rules)
{
- clib_mem_free (a->rules);
+ vec_free (a->rules);
}
pool_put (am->macip_acls, a);
+ clib_mem_set_heap (oldheap);
return 0;
}
@@ -1196,6 +1247,7 @@ macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
u32 acl_list_index)
{
acl_main_t *am = &acl_main;
+ void *oldheap = acl_set_heap(am);
int rv = -1;
if (is_add)
{
@@ -1205,6 +1257,7 @@ macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
{
rv = macip_acl_interface_del_acl (am, sw_if_index);
}
+ clib_mem_set_heap (oldheap);
return rv;
}
@@ -1363,6 +1416,7 @@ send_acl_details (acl_main_t * am, unix_shared_memory_queue_t * q,
vl_api_acl_rule_t *rules;
int i;
int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * acl->count;
+ void *oldheap = acl_set_heap(am);
mp = vl_msg_api_alloc (msg_size);
memset (mp, 0, msg_size);
@@ -1381,6 +1435,7 @@ send_acl_details (acl_main_t * am, unix_shared_memory_queue_t * q,
}
clib_warning("Sending acl details for ACL index %d", ntohl(mp->acl_index));
+ clib_mem_set_heap (oldheap);
vl_msg_api_send_shmem (q, (u8 *) & mp);
}
@@ -1439,6 +1494,7 @@ send_acl_interface_list_details (acl_main_t * am,
int n_output;
int count;
int i = 0;
+ void *oldheap = acl_set_heap(am);
vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
@@ -1469,7 +1525,7 @@ send_acl_interface_list_details (acl_main_t * am,
mp->acls[n_input + i] =
htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
}
-
+ clib_mem_set_heap (oldheap);
vl_msg_api_send_shmem (q, (u8 *) & mp);
}
@@ -1784,6 +1840,7 @@ static int
acl_set_skip_ipv6_eh(u32 eh, u32 value)
{
acl_main_t *am = &acl_main;
+
if ((eh < 256) && (value < 2))
{
am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, eh, value);
@@ -2104,6 +2161,21 @@ acl_show_aclplugin_fn (vlib_main_t * vm,
vlib_cli_output(vm, "\n%s\n", out0);
vec_free(out0);
}
+ else if (unformat (input, "memory"))
+ {
+ vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
+ if (am->acl_mheap) {
+ vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
+ } else {
+ vlib_cli_output (vm, " Not initialized\n");
+ }
+ vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
+ if (am->hash_lookup_mheap) {
+ vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
+ } else {
+ vlib_cli_output (vm, " Not initialized\n");
+ }
+ }
else if (unformat (input, "tables"))
{
ace_mask_type_entry_t *mte;
@@ -2198,9 +2270,9 @@ acl_show_aclplugin_fn (vlib_main_t * vm,
out0 = format(out0, " input lookup applied entries:\n");
for(j=0; j<vec_len(am->input_hash_entry_vec_by_sw_if_index[swi]); j++) {
applied_hash_ace_entry_t *pae = &am->input_hash_entry_vec_by_sw_if_index[swi][j];
- out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d\n",
+ out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d\n",
j, pae->acl_index, pae->ace_index, pae->action, pae->hash_ace_info_index,
- pae->next_applied_entry_index, pae->prev_applied_entry_index);
+ pae->next_applied_entry_index, pae->prev_applied_entry_index, pae->tail_applied_entry_index);
}
}
@@ -2212,9 +2284,9 @@ acl_show_aclplugin_fn (vlib_main_t * vm,
out0 = format(out0, " output lookup applied entries:\n");
for(j=0; j<vec_len(am->output_hash_entry_vec_by_sw_if_index[swi]); j++) {
applied_hash_ace_entry_t *pae = &am->output_hash_entry_vec_by_sw_if_index[swi][j];
- out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d\n",
+ out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d\n",
j, pae->acl_index, pae->ace_index, pae->action, pae->hash_ace_info_index,
- pae->next_applied_entry_index, pae->prev_applied_entry_index);
+ pae->next_applied_entry_index, pae->prev_applied_entry_index, pae->tail_applied_entry_index);
}
}
@@ -2288,6 +2360,7 @@ acl_init (vlib_main_t * vm)
vec_free (name);
acl_setup_fa_nodes();
+
am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] = TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] = TCP_SESSION_IDLE_TIMEOUT_SEC;
am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] = UDP_SESSION_IDLE_TIMEOUT_SEC;
@@ -2329,7 +2402,6 @@ acl_init (vlib_main_t * vm)
am->l4_match_nonfirst_fragment = 1;
/* use the new fancy hash-based matching */
- // NOT IMMEDIATELY
am->use_hash_acl_matching = 1;
return error;