summaryrefslogtreecommitdiffstats
path: root/src/plugins/acl/acl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/acl/acl.c')
-rw-r--r--src/plugins/acl/acl.c883
1 files changed, 424 insertions, 459 deletions
diff --git a/src/plugins/acl/acl.c b/src/plugins/acl/acl.c
index 8543ac6eef2..314380bcf8f 100644
--- a/src/plugins/acl/acl.c
+++ b/src/plugins/acl/acl.c
@@ -51,7 +51,7 @@
#undef vl_api_version
#include "fa_node.h"
-#include "hash_lookup.h"
+#include "public_inlines.h"
acl_main_t acl_main;
@@ -105,6 +105,16 @@ format_vec16 (u8 * s, va_list * va)
+u8
+acl_plugin_acl_exists (u32 acl_index)
+{
+ acl_main_t *am = &acl_main;
+
+ if (pool_is_free_index (am->acls, acl_index))
+ return 0;
+
+ return 1;
+}
static void *
acl_set_heap (acl_main_t * am)
@@ -191,6 +201,77 @@ vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
/* *INDENT-ON* */
}
+static void
+print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
+{
+ clib_warning ("%v", out0);
+ vec_reset_length (out0);
+}
+
+static void
+print_cli_and_reset (vlib_main_t * vm, u8 * out0)
+{
+ vlib_cli_output (vm, "%v", out0);
+ vec_reset_length (out0);
+}
+
+typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
+
+static void
+acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
+ acl_main_t * am, int acl_index)
+{
+ acl_rule_t *r;
+ u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
+ am->acls[acl_index].count, am->acls[acl_index].tag);
+ int j;
+ vpr (vm, out0);
+ for (j = 0; j < am->acls[acl_index].count; j++)
+ {
+ r = &am->acls[acl_index].rules[j];
+ out0 = format (out0, " %4d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
+ out0 = format_acl_action (out0, r->is_permit);
+ out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
+ r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
+ r->src_prefixlen);
+ out0 =
+ format (out0, " dst %U/%d", format_ip46_address, &r->dst,
+ r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
+ out0 = format (out0, " proto %d", r->proto);
+ out0 = format (out0, " sport %d", r->src_port_or_type_first);
+ if (r->src_port_or_type_first != r->src_port_or_type_last)
+ {
+ out0 = format (out0, "-%d", r->src_port_or_type_last);
+ }
+ out0 = format (out0, " dport %d", r->dst_port_or_code_first);
+ if (r->dst_port_or_code_first != r->dst_port_or_code_last)
+ {
+ out0 = format (out0, "-%d", r->dst_port_or_code_last);
+ }
+ if (r->tcp_flags_mask || r->tcp_flags_value)
+ {
+ out0 =
+ format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
+ r->tcp_flags_mask);
+ }
+ out0 = format (out0, "\n");
+ vpr (vm, out0);
+ }
+}
+
+static void
+acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
+{
+ acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
+}
+
+static void
+warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
+{
+ acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
+}
+
+
static int
acl_add_list (u32 count, vl_api_acl_rule_t rules[],
u32 * acl_list_index, u8 * tag)
@@ -201,6 +282,10 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
acl_rule_t *acl_new_rules = 0;
int i;
+ if (am->trace_acl > 255)
+ clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
+ tag);
+
if (*acl_list_index != ~0)
{
/* They supplied some number, let's see if this ACL exists */
@@ -264,7 +349,6 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
else
{
a = am->acls + *acl_list_index;
- hash_acl_delete (am, *acl_list_index);
/* Get rid of the old rules */
if (a->rules)
vec_free (a->rules);
@@ -272,82 +356,54 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
a->rules = acl_new_rules;
a->count = count;
memcpy (a->tag, tag, sizeof (a->tag));
- hash_acl_add (am, *acl_list_index);
+ if (am->trace_acl > 255)
+ warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
+ /* notify the lookup contexts about the ACL changes */
+ acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
clib_mem_set_heap (oldheap);
return 0;
}
static int
+acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
+{
+ if (acl_index < vec_len (foo_index_vec_by_acl))
+ {
+ if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
+ {
+ /* ACL is applied somewhere. */
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int
acl_del_list (u32 acl_list_index)
{
acl_main_t *am = &acl_main;
acl_list_t *a;
- int i, ii;
if (pool_is_free_index (am->acls, acl_list_index))
{
return VNET_API_ERROR_NO_SUCH_ENTRY;
}
-
- if (acl_list_index < vec_len (am->input_sw_if_index_vec_by_acl))
- {
- if (vec_len (vec_elt (am->input_sw_if_index_vec_by_acl, acl_list_index))
- > 0)
- {
- /* ACL is applied somewhere inbound. Refuse to delete */
- return VNET_API_ERROR_ACL_IN_USE_INBOUND;
- }
- }
- if (acl_list_index < vec_len (am->output_sw_if_index_vec_by_acl))
- {
- if (vec_len
- (vec_elt (am->output_sw_if_index_vec_by_acl, acl_list_index)) > 0)
- {
- /* ACL is applied somewhere outbound. Refuse to delete */
- return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
- }
- }
+ if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
+ return VNET_API_ERROR_ACL_IN_USE_INBOUND;
+ if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
+ return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
+ /* lookup contexts cover other cases, not just inbound/oubound, so check that */
+ if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
+ return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
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++)
- {
- for (ii = 0; ii < vec_len (am->output_acl_vec_by_sw_if_index[i]);
- /* see body */ )
- {
- if (acl_list_index == am->output_acl_vec_by_sw_if_index[i][ii])
- {
- vec_del1 (am->output_acl_vec_by_sw_if_index[i], ii);
- }
- else
- {
- ii++;
- }
- }
- }
- for (i = 0; i < vec_len (am->input_acl_vec_by_sw_if_index); i++)
- {
- for (ii = 0; ii < vec_len (am->input_acl_vec_by_sw_if_index[i]);
- /* see body */ )
- {
- if (acl_list_index == am->input_acl_vec_by_sw_if_index[i][ii])
- {
- vec_del1 (am->input_acl_vec_by_sw_if_index[i], ii);
- }
- else
- {
- ii++;
- }
- }
- }
- /* delete the hash table data */
- hash_acl_delete (am, acl_list_index);
/* now we can delete the ACL itself */
a = pool_elt_at_index (am->acls, acl_list_index);
if (a->rules)
vec_free (a->rules);
-
pool_put (am->acls, a);
+ /* acl_list_index is now free, notify the lookup contexts */
+ acl_plugin_lookup_context_notify_acl_change (acl_list_index);
clib_mem_set_heap (oldheap);
return 0;
}
@@ -954,10 +1010,11 @@ acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
rv =
vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index,
ip6_table_index, dot1q_table_index);
-
+/*
clib_warning
("ACL enabling on interface sw_if_index %d, setting tables to the following: ip4: %d ip6: %d\n",
sw_if_index, ip4_table_index, ip6_table_index);
+*/
if (rv)
{
acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
@@ -1000,17 +1057,32 @@ done:
return rv;
}
-int
+static void
+acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
+{
+ void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
+ vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
+ ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
+ sw_if_index);
+ clib_mem_set_heap (oldheap);
+}
+
+
+static int
acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
int enable_disable)
{
- int rv;
+ int rv = 0;
/* Utterly wrong? */
if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
sw_if_index))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
+ enable_disable)
+ return 0;
+
acl_fa_enable_disable (sw_if_index, 1, enable_disable);
if (enable_disable)
@@ -1022,10 +1094,13 @@ acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
rv = acl_unhook_l2_input_classify (am, sw_if_index);
}
+ am->in_acl_on_sw_if_index =
+ clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
+
return rv;
}
-int
+static int
acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
int enable_disable)
{
@@ -1036,6 +1111,10 @@ acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
sw_if_index))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
+ enable_disable)
+ return 0;
+
acl_fa_enable_disable (sw_if_index, 0, enable_disable);
if (enable_disable)
@@ -1047,231 +1126,168 @@ acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
rv = acl_unhook_l2_output_classify (am, sw_if_index);
}
+ am->out_acl_on_sw_if_index =
+ clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
+
return rv;
}
static int
+acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
+ int is_input, int enable_disable)
+{
+ if (is_input)
+ return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
+ else
+ return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
+}
+
+static int
acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
{
return (pool_is_free_index (am->acls, acl_list_index));
}
-
static int
-acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
-{
- acl_main_t *am = &acl_main;
- if (acl_is_not_defined (am, acl_list_index))
- {
- /* ACL is not defined. Can not apply */
- return VNET_API_ERROR_NO_SUCH_ENTRY;
- }
- void *oldheap = acl_set_heap (am);
+acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
+ u8 is_input, u32 * vec_acl_list_index,
+ int *may_clear_sessions)
+{
+ u32 *pacln;
+ uword *seen_acl_bitmap = 0;
+ uword *old_seen_acl_bitmap = 0;
+ uword *change_acl_bitmap = 0;
+ int acln;
+ int rv = 0;
- if (is_input)
- {
- vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
- u32 index = vec_search (am->input_acl_vec_by_sw_if_index[sw_if_index],
- acl_list_index);
- if (index < vec_len (am->input_acl_vec_by_sw_if_index[sw_if_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 VNET_API_ERROR_ACL_IN_USE_INBOUND;
- }
- /* if there was no ACL applied before, enable the ACL processing */
- if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) == 0)
- {
- acl_interface_in_enable_disable (am, sw_if_index, 1);
- }
- vec_add (am->input_acl_vec_by_sw_if_index[sw_if_index], &acl_list_index,
- 1);
- vec_validate (am->input_sw_if_index_vec_by_acl, acl_list_index);
- vec_add (am->input_sw_if_index_vec_by_acl[acl_list_index], &sw_if_index,
- 1);
- }
- else
- {
- vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
+ if (am->trace_acl > 255)
+ clib_warning
+ ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
+ sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
- u32 index = vec_search (am->output_acl_vec_by_sw_if_index[sw_if_index],
- acl_list_index);
- if (index < vec_len (am->output_acl_vec_by_sw_if_index[sw_if_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 VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
- }
- /* if there was no ACL applied before, enable the ACL processing */
- if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) == 0)
- {
- acl_interface_out_enable_disable (am, sw_if_index, 1);
- }
- vec_add (am->output_acl_vec_by_sw_if_index[sw_if_index],
- &acl_list_index, 1);
- vec_validate (am->output_sw_if_index_vec_by_acl, acl_list_index);
- vec_add (am->output_sw_if_index_vec_by_acl[acl_list_index],
- &sw_if_index, 1);
+ vec_foreach (pacln, vec_acl_list_index)
+ {
+ if (acl_is_not_defined (am, *pacln))
+ {
+ /* ACL is not defined. Can not apply */
+ clib_warning ("ERROR: ACL %d not defined", *pacln);
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto done;
+ }
+ if (clib_bitmap_get (seen_acl_bitmap, *pacln))
+ {
+ /* ACL being applied twice within the list. error. */
+ clib_warning ("ERROR: ACL %d being applied twice", *pacln);
+ rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
+ goto done;
+ }
+ seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
+ }
+
+
+ u32 **pinout_lc_index_by_sw_if_index =
+ is_input ? &am->
+ input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
+
+ u32 ***pinout_acl_vec_by_sw_if_index =
+ is_input ? &am->
+ input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
+
+ u32 ***pinout_sw_if_index_vec_by_acl =
+ is_input ? &am->
+ input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
+
+ vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
+
+ clib_bitmap_validate (old_seen_acl_bitmap, 1);
+
+ vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
+ {
+ old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
+ }
+ change_acl_bitmap =
+ clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
+
+ if (am->trace_acl > 255)
+ clib_warning ("bitmaps: old seen %U new seen %U changed %U",
+ format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
+ seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
+
+/* *INDENT-OFF* */
+ clib_bitmap_foreach(acln, change_acl_bitmap, ({
+ if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
+ /* ACL is being removed. */
+ if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
+ int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
+ vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
+ }
+ } else {
+ /* ACL is being added. */
+ vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
+ vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
}
- clib_mem_set_heap (oldheap);
- return 0;
-}
+ }));
+/* *INDENT-ON* */
+ vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
+ (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
+ vec_dup (vec_acl_list_index);
-static int
-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 = VNET_API_ERROR_NO_SUCH_ENTRY;
- void *oldheap = acl_set_heap (am);
- if (is_input)
+ /* if no commonalities between the ACL# - then we should definitely clear the sessions */
+ if (may_clear_sessions && *may_clear_sessions
+ && !clib_bitmap_is_zero (change_acl_bitmap))
{
- vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
- for (i = 0; i < vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
- i++)
- {
- if (acl_list_index ==
- am->input_acl_vec_by_sw_if_index[sw_if_index][i])
- {
- vec_del1 (am->input_acl_vec_by_sw_if_index[sw_if_index], i);
- rv = 0;
- break;
- }
- }
-
- if (acl_list_index < vec_len (am->input_sw_if_index_vec_by_acl))
- {
- u32 index =
- vec_search (am->input_sw_if_index_vec_by_acl[acl_list_index],
- sw_if_index);
- if (index <
- vec_len (am->input_sw_if_index_vec_by_acl[acl_list_index]))
- {
- hash_acl_unapply (am, sw_if_index, is_input, acl_list_index);
- vec_del1 (am->input_sw_if_index_vec_by_acl[acl_list_index],
- index);
- }
- }
+ acl_clear_sessions (am, sw_if_index);
+ *may_clear_sessions = 0;
+ }
- /* If there is no more ACLs applied on an interface, disable ACL processing */
- if (0 == vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]))
+ /*
+ * prepare or delete the lookup context if necessary, and if context exists, set ACL list
+ */
+ vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
+ ~0);
+ if (vec_len (vec_acl_list_index) > 0)
+ {
+ u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
+ if (~0 == lc_index)
{
- acl_interface_in_enable_disable (am, sw_if_index, 0);
+ lc_index =
+ acl_plugin_get_lookup_context_index (am->interface_acl_user_id,
+ sw_if_index, is_input);
+ ASSERT (lc_index >= 0);
+ (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
}
+ acl_plugin_set_acl_vec_for_context (lc_index, vec_acl_list_index);
}
else
{
- vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
- for (i = 0;
- i < vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]); i++)
+ if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
{
- if (acl_list_index ==
- am->output_acl_vec_by_sw_if_index[sw_if_index][i])
- {
- vec_del1 (am->output_acl_vec_by_sw_if_index[sw_if_index], i);
- rv = 0;
- break;
- }
+ acl_plugin_put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
+ (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
}
+ }
- if (acl_list_index < vec_len (am->output_sw_if_index_vec_by_acl))
- {
- u32 index =
- vec_search (am->output_sw_if_index_vec_by_acl[acl_list_index],
- sw_if_index);
- if (index <
- vec_len (am->output_sw_if_index_vec_by_acl[acl_list_index]))
- {
- hash_acl_unapply (am, sw_if_index, is_input, acl_list_index);
- vec_del1 (am->output_sw_if_index_vec_by_acl[acl_list_index],
- index);
- }
- }
+ /* ensure ACL processing is enabled/disabled as needed */
+ acl_interface_inout_enable_disable (am, sw_if_index, is_input,
+ vec_len (vec_acl_list_index) > 0);
- /* If there is no more ACLs applied on an interface, disable ACL processing */
- if (0 == vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]))
- {
- acl_interface_out_enable_disable (am, sw_if_index, 0);
- }
- }
- clib_mem_set_heap (oldheap);
+done:
+ clib_bitmap_free (change_acl_bitmap);
+ clib_bitmap_free (seen_acl_bitmap);
+ clib_bitmap_free (old_seen_acl_bitmap);
return rv;
}
static void
-acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input)
+acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
+ int *may_clear_sessions)
{
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);
- if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
- {
- acl_interface_in_enable_disable (am, sw_if_index, 0);
- }
-
- for (i = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) - 1;
- i >= 0; i--)
- {
- u32 acl_list_index =
- am->input_acl_vec_by_sw_if_index[sw_if_index][i];
- hash_acl_unapply (am, sw_if_index, is_input, acl_list_index);
- if (acl_list_index < vec_len (am->input_sw_if_index_vec_by_acl))
- {
- u32 index =
- vec_search (am->input_sw_if_index_vec_by_acl[acl_list_index],
- sw_if_index);
- if (index <
- vec_len (am->input_sw_if_index_vec_by_acl[acl_list_index]))
- {
- vec_del1 (am->input_sw_if_index_vec_by_acl[acl_list_index],
- index);
- }
- }
- }
-
- vec_reset_length (am->input_acl_vec_by_sw_if_index[sw_if_index]);
- }
- else
- {
- vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
- if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
- {
- acl_interface_out_enable_disable (am, sw_if_index, 0);
- }
-
- for (i = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) - 1;
- i >= 0; i--)
- {
- u32 acl_list_index =
- am->output_acl_vec_by_sw_if_index[sw_if_index][i];
- hash_acl_unapply (am, sw_if_index, is_input, acl_list_index);
- if (acl_list_index < vec_len (am->output_sw_if_index_vec_by_acl))
- {
- u32 index =
- vec_search (am->output_sw_if_index_vec_by_acl[acl_list_index],
- sw_if_index);
- if (index <
- vec_len (am->output_sw_if_index_vec_by_acl[acl_list_index]))
- {
- vec_del1 (am->output_sw_if_index_vec_by_acl[acl_list_index],
- index);
- }
- }
- }
-
- vec_reset_length (am->output_acl_vec_by_sw_if_index[sw_if_index]);
- }
+ acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
+ may_clear_sessions);
clib_mem_set_heap (oldheap);
}
@@ -1279,23 +1295,61 @@ static int
acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
u32 acl_list_index)
{
- int rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+
acl_main_t *am = &acl_main;
+ u32 *acl_vec = 0;
+ int may_clear_sessions = 1;
+
+ int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
+ : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
+
+ u32 ***pinout_acl_vec_by_sw_if_index =
+ is_input ? &am->
+ input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
+ int rv = 0;
+ void *oldheap = acl_set_heap (am);
+
if (is_add)
{
- rv =
- acl_interface_add_inout_acl (sw_if_index, is_input, acl_list_index);
- if (rv == 0)
+ vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
+ u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
+ acl_list_index);
+
+ if (~0 != index)
{
- hash_acl_apply (am, sw_if_index, is_input, acl_list_index);
+ rv = error_already_applied;
+ goto done;
}
+
+ acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
+ vec_add1 (acl_vec, acl_list_index);
}
else
{
- hash_acl_unapply (am, sw_if_index, is_input, acl_list_index);
- rv =
- acl_interface_del_inout_acl (sw_if_index, is_input, acl_list_index);
+ if (sw_if_index > vec_len (*pinout_acl_vec_by_sw_if_index))
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto done;
+ }
+
+ u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
+ acl_list_index);
+
+ if (~0 == index)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto done;
+ }
+
+ acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
+ vec_del1 (acl_vec, index);
}
+
+ rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
+ &may_clear_sessions);
+done:
+ vec_free (acl_vec);
+ clib_mem_set_heap (oldheap);
return rv;
}
@@ -2331,9 +2385,7 @@ static void
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
else
{
- acl_interface_reset_inout_acls (sw_if_index, 0);
- acl_interface_reset_inout_acls (sw_if_index, 1);
-
+ int may_clear_sessions = 1;
for (i = 0; i < mp->count; i++)
{
if (acl_is_not_defined (am, ntohl (mp->acls[i])))
@@ -2344,12 +2396,26 @@ static void
}
if (0 == rv)
{
+ void *oldheap = acl_set_heap (am);
+
+ u32 *in_acl_vec = 0;
+ u32 *out_acl_vec = 0;
for (i = 0; i < mp->count; i++)
- {
- acl_interface_add_del_inout_acl (sw_if_index, 1,
- (i < mp->n_input),
- ntohl (mp->acls[i]));
- }
+ if (i < mp->n_input)
+ vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
+ else
+ vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
+
+ rv =
+ acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
+ &may_clear_sessions);
+ rv = rv
+ || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
+ in_acl_vec,
+ &may_clear_sessions);
+ vec_free (in_acl_vec);
+ vec_free (out_acl_vec);
+ clib_mem_set_heap (oldheap);
}
}
@@ -2469,6 +2535,8 @@ send_acl_interface_list_details (acl_main_t * 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);
+ clib_mem_set_heap (oldheap);
+
n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
count = n_input + n_output;
@@ -2495,7 +2563,6 @@ 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_api_send_msg (reg, (u8 *) mp);
}
@@ -3046,13 +3113,14 @@ acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
}
if (0 == is_add)
{
+ int may_clear_sessions = 1;
vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
sw_if_index);
/* also unapply any ACLs in case the users did not do so. */
macip_acl_interface_del_acl (am, sw_if_index);
- acl_interface_reset_inout_acls (sw_if_index, 0);
- acl_interface_reset_inout_acls (sw_if_index, 1);
+ acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
+ acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
}
return 0;
}
@@ -3090,6 +3158,21 @@ acl_set_aclplugin_fn (vlib_main_t * vm,
am->l4_match_nonfirst_fragment = (val != 0);
goto done;
}
+ if (unformat (input, "event-trace"))
+ {
+ if (!unformat (input, "%u", &val))
+ {
+ error = clib_error_return (0,
+ "expecting trace level, got `%U`",
+ format_unformat_error, input);
+ goto done;
+ }
+ else
+ {
+ am->trace_acl = val;
+ goto done;
+ }
+ }
if (unformat (input, "heap"))
{
if (unformat (input, "main"))
@@ -3103,9 +3186,9 @@ acl_set_aclplugin_fn (vlib_main_t * vm,
else if (unformat (input, "hash"))
{
if (unformat (input, "validate %u", &val))
- acl_plugin_hash_acl_set_validate_heap (am, val);
+ acl_plugin_hash_acl_set_validate_heap (val);
else if (unformat (input, "trace %u", &val))
- acl_plugin_hash_acl_set_trace_heap (am, val);
+ acl_plugin_hash_acl_set_trace_heap (val);
goto done;
}
goto done;
@@ -3345,50 +3428,6 @@ acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
return error;
}
-#define PRINT_AND_RESET(vm, out0) do { vlib_cli_output(vm, "%v", out0); vec_reset_length(out0); } while(0)
-static void
-acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
-{
- acl_rule_t *r;
- u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
- am->acls[acl_index].count, am->acls[acl_index].tag);
- int j;
- PRINT_AND_RESET (vm, out0);
- for (j = 0; j < am->acls[acl_index].count; j++)
- {
- r = &am->acls[acl_index].rules[j];
- out0 = format (out0, " %4d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
- out0 = format_acl_action (out0, r->is_permit);
- out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
- r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
- r->src_prefixlen);
- out0 =
- format (out0, " dst %U/%d", format_ip46_address, &r->dst,
- r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
- out0 = format (out0, " proto %d", r->proto);
- out0 = format (out0, " sport %d", r->src_port_or_type_first);
- if (r->src_port_or_type_first != r->src_port_or_type_last)
- {
- out0 = format (out0, "-%d", r->src_port_or_type_last);
- }
- out0 = format (out0, " dport %d", r->dst_port_or_code_first);
- if (r->dst_port_or_code_first != r->dst_port_or_code_last)
- {
- out0 = format (out0, "-%d", r->dst_port_or_code_last);
- }
- if (r->tcp_flags_mask || r->tcp_flags_value)
- {
- out0 =
- format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
- r->tcp_flags_mask);
- }
- out0 = format (out0, "\n");
- PRINT_AND_RESET (vm, out0);
- }
-}
-
-#undef PRINT_AND_RESET
-
static void
acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
{
@@ -3420,6 +3459,11 @@ acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
format_vec32, am->output_sw_if_index_vec_by_acl[i],
"%d");
}
+ if (i < vec_len (am->lc_index_vec_by_acl))
+ {
+ vlib_cli_output (vm, " used in lookup context index: %U\n",
+ format_vec32, am->lc_index_vec_by_acl[i], "%d");
+ }
}
}
@@ -3437,8 +3481,38 @@ acl_show_aclplugin_acl_fn (vlib_main_t * vm,
return error;
}
+static clib_error_t *
+acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+
+ u32 lc_index = ~0;
+ (void) unformat (input, "index %u", &lc_index);
+
+ acl_plugin_show_lookup_context (lc_index);
+ return error;
+}
+
+static clib_error_t *
+acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+
+ u32 lc_index = ~0;
+ (void) unformat (input, "index %u", &lc_index);
+
+ acl_plugin_show_lookup_user (lc_index);
+ return error;
+}
+
+
static void
-acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl)
+acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
+ int detail)
{
vlib_main_t *vm = am->vlib_main;
u32 swi;
@@ -3496,6 +3570,16 @@ acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl)
vlib_cli_output (vm, "\n");
}
}
+ if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
+ {
+ vlib_cli_output (vm, " input lookup context index: %d",
+ am->input_lc_index_by_sw_if_index[swi]);
+ }
+ if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
+ {
+ vlib_cli_output (vm, " output lookup context index: %d",
+ am->output_lc_index_by_sw_if_index[swi]);
+ }
}
}
@@ -3531,8 +3615,9 @@ acl_show_aclplugin_interface_fn (vlib_main_t * vm,
u32 sw_if_index = ~0;
(void) unformat (input, "sw_if_index %u", &sw_if_index);
int show_acl = unformat (input, "acl");
+ int detail = unformat (input, "detail");
- acl_plugin_show_interface (am, sw_if_index, show_acl);
+ acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
return error;
}
@@ -3721,148 +3806,12 @@ acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
return error;
}
-static void
-acl_plugin_show_tables_mask_type (acl_main_t * am)
-{
- vlib_main_t *vm = am->vlib_main;
- ace_mask_type_entry_t *mte;
-
- vlib_cli_output (vm, "Mask-type entries:");
- /* *INDENT-OFF* */
- pool_foreach(mte, am->ace_mask_type_pool,
- ({
- vlib_cli_output(vm, " %3d: %016llx %016llx %016llx %016llx %016llx %016llx refcount %d",
- mte - am->ace_mask_type_pool,
- mte->mask.kv.key[0], mte->mask.kv.key[1], mte->mask.kv.key[2],
- mte->mask.kv.key[3], mte->mask.kv.key[4], mte->mask.kv.value, mte->refcount);
- }));
- /* *INDENT-ON* */
-}
-
-static void
-acl_plugin_show_tables_acl_hash_info (acl_main_t * am, u32 acl_index)
-{
- vlib_main_t *vm = am->vlib_main;
- u32 i, j;
- u64 *m;
- vlib_cli_output (vm, "Mask-ready ACL representations\n");
- for (i = 0; i < vec_len (am->hash_acl_infos); i++)
- {
- if ((acl_index != ~0) && (acl_index != i))
- {
- continue;
- }
- hash_acl_info_t *ha = &am->hash_acl_infos[i];
- vlib_cli_output (vm, "acl-index %u bitmask-ready layout\n", i);
- vlib_cli_output (vm, " applied inbound on sw_if_index list: %U\n",
- format_vec32, ha->inbound_sw_if_index_list, "%d");
- vlib_cli_output (vm, " applied outbound on sw_if_index list: %U\n",
- format_vec32, ha->outbound_sw_if_index_list, "%d");
- vlib_cli_output (vm, " mask type index bitmap: %U\n",
- format_bitmap_hex, ha->mask_type_index_bitmap);
- for (j = 0; j < vec_len (ha->rules); j++)
- {
- hash_ace_info_t *pa = &ha->rules[j];
- m = (u64 *) & pa->match;
- vlib_cli_output (vm,
- " %4d: %016llx %016llx %016llx %016llx %016llx %016llx mask index %d acl %d rule %d action %d src/dst portrange not ^2: %d,%d\n",
- j, m[0], m[1], m[2], m[3], m[4], m[5],
- pa->mask_type_index, pa->acl_index, pa->ace_index,
- pa->action, pa->src_portrange_not_powerof2,
- pa->dst_portrange_not_powerof2);
- }
- }
-}
-
-static void
-acl_plugin_print_pae (vlib_main_t * vm, int j, applied_hash_ace_entry_t * pae)
-{
- vlib_cli_output (vm,
- " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d hitcount %lld",
- 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->tail_applied_entry_index, pae->hitcount);
-}
-
-static void
-acl_plugin_show_tables_applied_info (acl_main_t * am, u32 sw_if_index)
-{
- vlib_main_t *vm = am->vlib_main;
- u32 swi, j;
- vlib_cli_output (vm, "Applied lookup entries for interfaces");
-
- for (swi = 0;
- (swi < vec_len (am->input_applied_hash_acl_info_by_sw_if_index))
- || (swi < vec_len (am->output_applied_hash_acl_info_by_sw_if_index))
- || (swi < vec_len (am->input_hash_entry_vec_by_sw_if_index))
- || (swi < vec_len (am->output_hash_entry_vec_by_sw_if_index)); swi++)
- {
- if ((sw_if_index != ~0) && (sw_if_index != swi))
- {
- continue;
- }
- vlib_cli_output (vm, "sw_if_index %d:", swi);
- if (swi < vec_len (am->input_applied_hash_acl_info_by_sw_if_index))
- {
- applied_hash_acl_info_t *pal =
- &am->input_applied_hash_acl_info_by_sw_if_index[swi];
- vlib_cli_output (vm, " input lookup mask_type_index_bitmap: %U",
- format_bitmap_hex, pal->mask_type_index_bitmap);
- vlib_cli_output (vm, " input applied acls: %U", format_vec32,
- pal->applied_acls, "%d");
- }
- if (swi < vec_len (am->input_hash_entry_vec_by_sw_if_index))
- {
- vlib_cli_output (vm, " input lookup applied entries:");
- for (j = 0;
- j < vec_len (am->input_hash_entry_vec_by_sw_if_index[swi]);
- j++)
- {
- acl_plugin_print_pae (vm, j,
- &am->input_hash_entry_vec_by_sw_if_index
- [swi][j]);
- }
- }
-
- if (swi < vec_len (am->output_applied_hash_acl_info_by_sw_if_index))
- {
- applied_hash_acl_info_t *pal =
- &am->output_applied_hash_acl_info_by_sw_if_index[swi];
- vlib_cli_output (vm, " output lookup mask_type_index_bitmap: %U",
- format_bitmap_hex, pal->mask_type_index_bitmap);
- vlib_cli_output (vm, " output applied acls: %U", format_vec32,
- pal->applied_acls, "%d");
- }
- if (swi < vec_len (am->output_hash_entry_vec_by_sw_if_index))
- {
- vlib_cli_output (vm, " output lookup applied entries:");
- for (j = 0;
- j < vec_len (am->output_hash_entry_vec_by_sw_if_index[swi]);
- j++)
- {
- acl_plugin_print_pae (vm, j,
- &am->output_hash_entry_vec_by_sw_if_index
- [swi][j]);
- }
- }
- }
-}
-
-static void
-acl_plugin_show_tables_bihash (acl_main_t * am, u32 show_bihash_verbose)
-{
- vlib_main_t *vm = am->vlib_main;
- show_hash_acl_hash (vm, am, show_bihash_verbose);
-}
-
static clib_error_t *
acl_show_aclplugin_tables_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
clib_error_t *error = 0;
- acl_main_t *am = &acl_main;
u32 acl_index = ~0;
u32 sw_if_index = ~0;
@@ -3905,13 +3854,13 @@ acl_show_aclplugin_tables_fn (vlib_main_t * vm,
show_bihash = 1;
}
if (show_mask_type)
- acl_plugin_show_tables_mask_type (am);
+ acl_plugin_show_tables_mask_type ();
if (show_acl_hash_info)
- acl_plugin_show_tables_acl_hash_info (am, acl_index);
+ acl_plugin_show_tables_acl_hash_info (acl_index);
if (show_applied_info)
- acl_plugin_show_tables_applied_info (am, sw_if_index);
+ acl_plugin_show_tables_applied_info (sw_if_index);
if (show_bihash)
- acl_plugin_show_tables_bihash (am, show_bihash_verbose);
+ acl_plugin_show_tables_bihash (show_bihash_verbose);
return error;
}
@@ -3940,6 +3889,18 @@ VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
.function = acl_show_aclplugin_acl_fn,
};
+VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
+ .path = "show acl-plugin lookup context",
+ .short_help = "show acl-plugin lookup context [index N]",
+ .function = acl_show_aclplugin_lookup_context_fn,
+};
+
+VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
+ .path = "show acl-plugin lookup user",
+ .short_help = "show acl-plugin lookup user [index N]",
+ .function = acl_show_aclplugin_lookup_user_fn,
+};
+
VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
.path = "show acl-plugin decode 5tuple",
.short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
@@ -4113,6 +4074,10 @@ acl_init (vlib_main_t * vm)
/* use the new fancy hash-based matching */
am->use_hash_acl_matching = 1;
+ am->interface_acl_user_id =
+ acl_plugin_register_user_module ("interface ACL", "sw_if_index",
+ "is_input");
+
return error;
}