diff options
author | Andrew Yourtchenko <ayourtch@gmail.com> | 2017-04-18 13:28:28 +0000 |
---|---|---|
committer | Damjan Marion <dmarion.lists@gmail.com> | 2017-04-20 08:58:12 +0000 |
commit | 24beb840400adcdd0fbcd85727ab1a2fa7040dca (patch) | |
tree | c295bb1c2928cab59d2ab5152a3028f903ecf99d /src/plugins/acl | |
parent | 0bc5063ae9c52c18d353b3bd238630f3fd6839b7 (diff) |
Clean up old datapath code in ACL plugin.
Change-Id: I3d64d5ced38a68f3fa208be00c49d20c4e6d4d0e
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Diffstat (limited to 'src/plugins/acl')
-rw-r--r-- | src/plugins/acl/acl.c | 379 | ||||
-rw-r--r-- | src/plugins/acl/acl.h | 31 | ||||
-rw-r--r-- | src/plugins/acl/l2sess.c | 238 | ||||
-rw-r--r-- | src/plugins/acl/l2sess.h | 148 | ||||
-rw-r--r-- | src/plugins/acl/l2sess_node.c | 763 | ||||
-rw-r--r-- | src/plugins/acl/node_in.c | 168 | ||||
-rw-r--r-- | src/plugins/acl/node_in.h | 12 | ||||
-rw-r--r-- | src/plugins/acl/node_out.c | 169 | ||||
-rw-r--r-- | src/plugins/acl/node_out.h | 12 | ||||
-rwxr-xr-x | src/plugins/acl/test/run-python | 28 | ||||
-rwxr-xr-x | src/plugins/acl/test/run-scapy | 26 | ||||
-rw-r--r-- | src/plugins/acl/test/test_acl_plugin.py | 118 |
12 files changed, 18 insertions, 2074 deletions
diff --git a/src/plugins/acl/acl.c b/src/plugins/acl/acl.c index 98c74b9b..83dc0c18 100644 --- a/src/plugins/acl/acl.c +++ b/src/plugins/acl/acl.c @@ -18,7 +18,6 @@ #include <vnet/vnet.h> #include <vnet/plugin/plugin.h> #include <acl/acl.h> -#include <acl/l2sess.h> #include <vnet/l2/l2_classify.h> #include <vnet/classify/input_acl.h> @@ -52,8 +51,6 @@ #include <acl/acl_all_api_h.h> #undef vl_api_version -#include "node_in.h" -#include "node_out.h" #include "fa_node.h" acl_main_t acl_main; @@ -713,265 +710,6 @@ acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input, } -static void * -get_ptr_to_offset (vlib_buffer_t * b0, int offset) -{ - u8 *p = vlib_buffer_get_current (b0) + offset; - return p; -} - -static u8 -acl_get_l4_proto (vlib_buffer_t * b0, int node_is_ip6) -{ - u8 proto; - int proto_offset; - if (node_is_ip6) - { - proto_offset = 20; - } - else - { - proto_offset = 23; - } - proto = *((u8 *) vlib_buffer_get_current (b0) + proto_offset); - return proto; -} - -static int -acl_match_addr (ip46_address_t * addr1, ip46_address_t * addr2, int prefixlen, - int is_ip6) -{ - if (prefixlen == 0) - { - /* match any always succeeds */ - return 1; - } - if (is_ip6) - { - if (memcmp (addr1, addr2, prefixlen / 8)) - { - /* If the starting full bytes do not match, no point in bittwidling the thumbs further */ - return 0; - } - if (prefixlen % 8) - { - u8 b1 = *((u8 *) addr1 + 1 + prefixlen / 8); - u8 b2 = *((u8 *) addr2 + 1 + prefixlen / 8); - u8 mask0 = (0xff - ((1 << (8 - (prefixlen % 8))) - 1)); - return (b1 & mask0) == b2; - } - else - { - /* The prefix fits into integer number of bytes, so nothing left to do */ - return 1; - } - } - else - { - uint32_t a1 = ntohl (addr1->ip4.as_u32); - uint32_t a2 = ntohl (addr2->ip4.as_u32); - uint32_t mask0 = 0xffffffff - ((1 << (32 - prefixlen)) - 1); - return (a1 & mask0) == a2; - } -} - -static int -acl_match_port (u16 port, u16 port_first, u16 port_last, int is_ip6) -{ - return ((port >= port_first) && (port <= port_last)); -} - -static int -acl_packet_match (acl_main_t * am, u32 acl_index, vlib_buffer_t * b0, - u8 * r_action, int *r_is_ip6, u32 * r_acl_match_p, - u32 * r_rule_match_p, u32 * trace_bitmap) -{ - ethernet_header_t *h0; - u16 type0; - - ip46_address_t src, dst; - int is_ip6; - int is_ip4; - u8 proto; - u16 src_port = 0; - u16 dst_port = 0; - u8 tcp_flags = 0; - int i; - acl_list_t *a; - acl_rule_t *r; - - h0 = vlib_buffer_get_current (b0); - type0 = clib_net_to_host_u16 (h0->type); - is_ip4 = (type0 == ETHERNET_TYPE_IP4); - is_ip6 = (type0 == ETHERNET_TYPE_IP6); - - if (!(is_ip4 || is_ip6)) - { - return 0; - } - /* The bunch of hardcoded offsets here is intentional to get rid of them - ASAP, when getting to a faster matching code */ - if (is_ip4) - { - clib_memcpy (&src.ip4, get_ptr_to_offset (b0, 26), 4); - clib_memcpy (&dst.ip4, get_ptr_to_offset (b0, 30), 4); - proto = acl_get_l4_proto (b0, 0); - if (1 == proto) - { - *trace_bitmap |= 0x00000001; - /* type */ - src_port = ((u16) (*(u8 *) get_ptr_to_offset (b0, 34))); - /* code */ - dst_port = ((u16) (*(u8 *) get_ptr_to_offset (b0, 35))); - } else { - /* assume TCP/UDP */ - src_port = ntohs ((u16) (*(u16 *) get_ptr_to_offset (b0, 34))); - dst_port = ntohs ((u16) (*(u16 *) get_ptr_to_offset (b0, 36))); - /* UDP gets ability to check on an oddball data byte as a bonus */ - tcp_flags = *(u8 *) get_ptr_to_offset (b0, 14 + 20 + 13); - } - } - else /* is_ipv6 implicitly */ - { - clib_memcpy (&src, get_ptr_to_offset (b0, 22), 16); - clib_memcpy (&dst, get_ptr_to_offset (b0, 38), 16); - proto = acl_get_l4_proto (b0, 1); - if (58 == proto) - { - *trace_bitmap |= 0x00000002; - /* type */ - src_port = (u16) (*(u8 *) get_ptr_to_offset (b0, 54)); - /* code */ - dst_port = (u16) (*(u8 *) get_ptr_to_offset (b0, 55)); - } - else - { - /* assume TCP/UDP */ - src_port = ntohs ((u16) (*(u16 *) get_ptr_to_offset (b0, 54))); - dst_port = ntohs ((u16) (*(u16 *) get_ptr_to_offset (b0, 56))); - tcp_flags = *(u8 *) get_ptr_to_offset (b0, 14 + 40 + 13); - } - } - if (pool_is_free_index (am->acls, acl_index)) - { - if (r_acl_match_p) - *r_acl_match_p = acl_index; - if (r_rule_match_p) - *r_rule_match_p = -1; - /* the ACL does not exist but is used for policy. Block traffic. */ - return 0; - } - a = am->acls + acl_index; - for (i = 0; i < a->count; i++) - { - r = a->rules + i; - if (is_ip6 != r->is_ipv6) - { - continue; - } - if (!acl_match_addr (&dst, &r->dst, r->dst_prefixlen, is_ip6)) - continue; - if (!acl_match_addr (&src, &r->src, r->src_prefixlen, is_ip6)) - continue; - if (r->proto) - { - if (proto != r->proto) - continue; - if (!acl_match_port - (src_port, r->src_port_or_type_first, r->src_port_or_type_last, - is_ip6)) - continue; - if (!acl_match_port - (dst_port, r->dst_port_or_code_first, r->dst_port_or_code_last, - is_ip6)) - continue; - /* No need for check of proto == TCP, since in other rules both fields should be zero, so this match will succeed */ - if ((tcp_flags & r->tcp_flags_mask) != r->tcp_flags_value) - continue; - } - /* everything matches! */ - *r_action = r->is_permit; - *r_is_ip6 = is_ip6; - if (r_acl_match_p) - *r_acl_match_p = acl_index; - if (r_rule_match_p) - *r_rule_match_p = i; - return 1; - } - return 0; -} - -void -input_acl_packet_match (u32 sw_if_index, vlib_buffer_t * b0, u32 * nextp, - u32 * acl_match_p, u32 * rule_match_p, - u32 * trace_bitmap) -{ - acl_main_t *am = &acl_main; - uint8_t action = 0; - int is_ip6 = 0; - int i; - 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_packet_match - (am, am->input_acl_vec_by_sw_if_index[sw_if_index][i], b0, &action, - &is_ip6, acl_match_p, rule_match_p, trace_bitmap)) - { - if (is_ip6) - { - *nextp = am->acl_in_ip6_match_next[action]; - } - else - { - *nextp = am->acl_in_ip4_match_next[action]; - } - return; - } - } - if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0) - { - /* If there are ACLs and none matched, deny by default */ - *nextp = 0; - } - -} - -void -output_acl_packet_match (u32 sw_if_index, vlib_buffer_t * b0, u32 * nextp, - u32 * acl_match_p, u32 * rule_match_p, - u32 * trace_bitmap) -{ - acl_main_t *am = &acl_main; - uint8_t action = 0; - int is_ip6 = 0; - int i; - 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 (acl_packet_match - (am, am->output_acl_vec_by_sw_if_index[sw_if_index][i], b0, &action, - &is_ip6, acl_match_p, rule_match_p, trace_bitmap)) - { - if (is_ip6) - { - *nextp = am->acl_out_ip6_match_next[action]; - } - else - { - *nextp = am->acl_out_ip4_match_next[action]; - } - return; - } - } - if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0) - { - /* If there are ACLs and none matched, deny by default */ - *nextp = 0; - } -} - typedef struct { u8 is_ipv6; @@ -1799,67 +1537,7 @@ setup_message_id_table (acl_main_t * am, api_main_t * apim) #undef _ } -u32 -register_match_action_nexts (u32 next_in_ip4, u32 next_in_ip6, - u32 next_out_ip4, u32 next_out_ip6) -{ - acl_main_t *am = &acl_main; - if (am->n_match_actions == 255) - { - return ~0; - } - u32 act = am->n_match_actions; - am->n_match_actions++; - am->acl_in_ip4_match_next[act] = next_in_ip4; - am->acl_in_ip6_match_next[act] = next_in_ip6; - am->acl_out_ip4_match_next[act] = next_out_ip4; - am->acl_out_ip6_match_next[act] = next_out_ip6; - return act; -} - -void -acl_setup_nodes (void) -{ - vlib_main_t *vm = vlib_get_main (); - acl_main_t *am = &acl_main; - vlib_node_t *n; - - n = vlib_get_node_by_name (vm, (u8 *) "l2-input-classify"); - am->l2_input_classify_next_acl_old = - vlib_node_add_next_with_slot (vm, n->index, acl_in_node.index, ~0); - n = vlib_get_node_by_name (vm, (u8 *) "l2-output-classify"); - am->l2_output_classify_next_acl_old = - vlib_node_add_next_with_slot (vm, n->index, acl_out_node.index, ~0); - - feat_bitmap_init_next_nodes (vm, acl_in_node.index, L2INPUT_N_FEAT, - l2input_get_feat_names (), - am->acl_in_node_feat_next_node_index); - - feat_bitmap_init_next_nodes (vm, acl_out_node.index, L2OUTPUT_N_FEAT, - l2output_get_feat_names (), - am->acl_out_node_feat_next_node_index); - - memset (&am->acl_in_ip4_match_next[0], 0, - sizeof (am->acl_in_ip4_match_next)); - memset (&am->acl_in_ip6_match_next[0], 0, - sizeof (am->acl_in_ip6_match_next)); - memset (&am->acl_out_ip4_match_next[0], 0, - sizeof (am->acl_out_ip4_match_next)); - memset (&am->acl_out_ip6_match_next[0], 0, - sizeof (am->acl_out_ip6_match_next)); - am->n_match_actions = 0; - - am->l2_input_classify_next_acl_ip4 = am->l2_input_classify_next_acl_old; - am->l2_input_classify_next_acl_ip6 = am->l2_input_classify_next_acl_old; - am->l2_output_classify_next_acl_ip4 = am->l2_output_classify_next_acl_old; - am->l2_output_classify_next_acl_ip6 = am->l2_output_classify_next_acl_old; - - register_match_action_nexts (0, 0, 0, 0); /* drop */ - register_match_action_nexts (~0, ~0, ~0, ~0); /* permit */ - register_match_action_nexts (ACL_IN_L2S_INPUT_IP4_ADD, ACL_IN_L2S_INPUT_IP6_ADD, ACL_OUT_L2S_OUTPUT_IP4_ADD, ACL_OUT_L2S_OUTPUT_IP6_ADD); /* permit + create session */ -} - -void +static void acl_setup_fa_nodes (void) { vlib_main_t *vm = vlib_get_main (); @@ -1871,9 +1549,9 @@ acl_setup_fa_nodes (void) n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip6-l2"); - am->fa_l2_input_classify_next_acl_ip4 = + am->l2_input_classify_next_acl_ip4 = vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0); - am->fa_l2_input_classify_next_acl_ip6 = + am->l2_input_classify_next_acl_ip6 = vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0); feat_bitmap_init_next_nodes (vm, n4->index, L2INPUT_N_FEAT, @@ -1889,9 +1567,9 @@ acl_setup_fa_nodes (void) n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip4-l2"); n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip6-l2"); - am->fa_l2_output_classify_next_acl_ip4 = + am->l2_output_classify_next_acl_ip4 = vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0); - am->fa_l2_output_classify_next_acl_ip6 = + am->l2_output_classify_next_acl_ip6 = vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0); feat_bitmap_init_next_nodes (vm, n4->index, L2OUTPUT_N_FEAT, @@ -1901,19 +1579,12 @@ acl_setup_fa_nodes (void) feat_bitmap_init_next_nodes (vm, n6->index, L2OUTPUT_N_FEAT, l2output_get_feat_names (), am->fa_acl_out_ip6_l2_node_feat_next_node_index); - - am->l2_input_classify_next_acl_ip4 = am->fa_l2_input_classify_next_acl_ip4; - am->l2_input_classify_next_acl_ip6 = am->fa_l2_input_classify_next_acl_ip6; - am->l2_output_classify_next_acl_ip4 = am->fa_l2_output_classify_next_acl_ip4; - am->l2_output_classify_next_acl_ip6 = am->fa_l2_output_classify_next_acl_ip6; - } -void +static void acl_set_timeout_sec(int timeout_type, u32 value) { acl_main_t *am = &acl_main; - l2sess_main_t *sm = &l2sess_main; clib_time_t *ct = &am->vlib_main->clib_time; if (timeout_type < ACL_N_TIMEOUTS) { @@ -1922,30 +1593,17 @@ acl_set_timeout_sec(int timeout_type, u32 value) clib_warning("Unknown timeout type %d", timeout_type); return; } - - switch(timeout_type) { - case ACL_TIMEOUT_UDP_IDLE: - sm->udp_session_idle_timeout = (u64)(((f64)value)/ct->seconds_per_clock); - break; - case ACL_TIMEOUT_TCP_IDLE: - sm->tcp_session_idle_timeout = (u64)(((f64)value)/ct->seconds_per_clock); - break; - case ACL_TIMEOUT_TCP_TRANSIENT: - sm->tcp_session_transient_timeout = (u64)(((f64)value)/ct->seconds_per_clock); - break; - default: - clib_warning("Unknown timeout type %d", timeout_type); - } + am->session_timeout[timeout_type] = (u64)(((f64)value)/ct->seconds_per_clock); } -void +static void acl_set_session_max_entries(u32 value) { acl_main_t *am = &acl_main; am->fa_conn_table_max_entries = value; } -int +static int acl_set_skip_ipv6_eh(u32 eh, u32 value) { acl_main_t *am = &acl_main; @@ -1984,24 +1642,6 @@ acl_set_aclplugin_fn (vlib_main_t * vm, uword memory_size = 0; acl_main_t *am = &acl_main; - /* The new datapath is the default. This command exists out of precaution and for comparing the two */ - if (unformat (input, "l2-datapath")) { - if (unformat(input, "old")) { - am->l2_input_classify_next_acl_ip4 = am->l2_input_classify_next_acl_old; - am->l2_input_classify_next_acl_ip6 = am->l2_input_classify_next_acl_old; - am->l2_output_classify_next_acl_ip4 = am->l2_output_classify_next_acl_old; - am->l2_output_classify_next_acl_ip6 = am->l2_output_classify_next_acl_old; - goto done; - } - if (unformat(input, "new")) { - am->l2_input_classify_next_acl_ip4 = am->fa_l2_input_classify_next_acl_ip4; - am->l2_input_classify_next_acl_ip6 = am->fa_l2_input_classify_next_acl_ip6; - am->l2_output_classify_next_acl_ip4 = am->fa_l2_output_classify_next_acl_ip4; - am->l2_output_classify_next_acl_ip6 = am->fa_l2_output_classify_next_acl_ip6; - goto done; - } - goto done; - } if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val)) { if(!acl_set_skip_ipv6_eh(eh_val, val)) { error = clib_error_return(0, "expecting eh=0..255, value=0..1"); @@ -2170,7 +1810,6 @@ acl_init (vlib_main_t * vm) VL_MSG_FIRST_AVAILABLE); error = acl_plugin_api_hookup (vm); - acl_setup_nodes (); /* Add our API messages to the global name_crc hash table */ setup_message_id_table (am, &api_main); diff --git a/src/plugins/acl/acl.h b/src/plugins/acl/acl.h index d708c521..eb074a7b 100644 --- a/src/plugins/acl/acl.h +++ b/src/plugins/acl/acl.h @@ -30,6 +30,10 @@ #define ACL_PLUGIN_VERSION_MAJOR 1 #define ACL_PLUGIN_VERSION_MINOR 2 +#define UDP_SESSION_IDLE_TIMEOUT_SEC 600 +#define TCP_SESSION_IDLE_TIMEOUT_SEC (3600*24) +#define TCP_SESSION_TRANSIENT_TIMEOUT_SEC 120 + extern vlib_node_registration_t acl_in_node; extern vlib_node_registration_t acl_out_node; @@ -128,22 +132,6 @@ typedef struct { /* MACIP (input) ACLs associated with the interfaces */ u32 *macip_acl_by_sw_if_index; - /* next indices for our nodes in the l2-classify tables */ - u32 l2_input_classify_next_acl_old; - u32 l2_output_classify_next_acl_old; - - /* next node indices for feature bitmap */ - u32 acl_in_node_feat_next_node_index[32]; - u32 acl_out_node_feat_next_node_index[32]; - - /* ACL match actions (must be coherent across in/out ACLs to next indices (can differ) */ - - u32 acl_in_ip4_match_next[256]; - u32 acl_in_ip6_match_next[256]; - u32 acl_out_ip4_match_next[256]; - u32 acl_out_ip6_match_next[256]; - u32 n_match_actions; - /* bitmaps when set the processing is enabled on the interface */ uword *fa_in_acl_on_sw_if_index; uword *fa_out_acl_on_sw_if_index; @@ -162,16 +150,11 @@ typedef struct { /* L2 datapath glue */ - /* active next indices within L2 classifiers - switch old/new path */ + /* next indices within L2 classifiers for ip4/ip6 fa L2 nodes */ u32 l2_input_classify_next_acl_ip4; u32 l2_input_classify_next_acl_ip6; u32 l2_output_classify_next_acl_ip4; u32 l2_output_classify_next_acl_ip6; - /* saved next indices within L2 classifiers for ip4/ip6 fa L2 nodes */ - u32 fa_l2_input_classify_next_acl_ip4; - u32 fa_l2_input_classify_next_acl_ip6; - u32 fa_l2_output_classify_next_acl_ip4; - u32 fa_l2_output_classify_next_acl_ip6; /* next node indices for L2 dispatch */ u32 fa_acl_in_ip4_l2_node_feat_next_node_index[32]; u32 fa_acl_in_ip6_l2_node_feat_next_node_index[32]; @@ -212,6 +195,10 @@ typedef struct { u32 fa_conn_list_head[ACL_N_TIMEOUTS]; u32 fa_conn_list_tail[ACL_N_TIMEOUTS]; + /* Configured session timeout */ + u64 session_timeout[ACL_N_TIMEOUTS]; + + /* Counters for the cleaner thread */ #define foreach_fa_cleaner_counter \ diff --git a/src/plugins/acl/l2sess.c b/src/plugins/acl/l2sess.c deleted file mode 100644 index 7a1567fb..00000000 --- a/src/plugins/acl/l2sess.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* - *------------------------------------------------------------------ - * l2sess.c - simple MAC-swap API / debug CLI handling - *------------------------------------------------------------------ - */ - -#include <vnet/vnet.h> -#include <vnet/plugin/plugin.h> -#include <acl/l2sess.h> - -#include <vlibapi/api.h> -#include <vlibmemory/api.h> -#include <vlibsocket/api.h> -#include <vppinfra/timing_wheel.h> - -#include <vnet/l2/l2_output.h> -#include <vnet/l2/l2_input.h> - -void -l2sess_init_next_features (vlib_main_t * vm, l2sess_main_t * sm) -{ -#define _(node_name, node_var, is_out, is_ip6, is_track) \ - if (is_out) \ - feat_bitmap_init_next_nodes(vm, node_var.index, L2OUTPUT_N_FEAT, \ - l2output_get_feat_names (), \ - sm->node_var ## _feat_next_node_index); \ - else \ - feat_bitmap_init_next_nodes(vm, node_var.index, L2INPUT_N_FEAT, \ - l2input_get_feat_names (), \ - sm->node_var ## _feat_next_node_index); - - foreach_l2sess_node -#undef _ -} - -void -l2sess_add_our_next_nodes (vlib_main_t * vm, l2sess_main_t * sm, - u8 * prev_node_name, int add_output_nodes) -{ - vlib_node_t *n; - n = vlib_get_node_by_name (vm, prev_node_name); -#define _(node_name, node_var, is_out, is_ip6, is_track) \ - if (is_out == add_output_nodes) { \ - u32 idx = vlib_node_add_next_with_slot(vm, n->index, node_var.index, ~0); \ - if (is_track) { \ - sm->next_slot_track_node_by_is_ip6_is_out[is_ip6][is_out] = idx; \ - } \ - } - foreach_l2sess_node -#undef _ -} - -void -l2sess_setup_nodes (void) -{ - vlib_main_t *vm = vlib_get_main (); - l2sess_main_t *sm = &l2sess_main; - - l2sess_init_next_features (vm, sm); - - l2sess_add_our_next_nodes (vm, sm, (u8 *) "l2-input-classify", 0); - l2sess_add_our_next_nodes (vm, sm, (u8 *) "l2-output-classify", 1); - -} - -static char * -get_l4_proto_str (int is_ip6, uint8_t l4_proto) -{ - switch (l4_proto) - { - case 6: - return "tcp"; - case 17: - return "udp"; - case 1: - return "icmp"; - case 58: - return "icmp6"; - default: - return "<?l4-unknown?>"; - } -} - -static clib_error_t * -l2sess_show_command_fn (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - l2sess_main_t *sm = &l2sess_main; - clib_time_t *ct = &vm->clib_time; - l2s_session_t *s; - u64 now = clib_cpu_time_now (); - - vlib_cli_output (vm, "Timing wheel info: \n%U", format_timing_wheel, - &sm->timing_wheel, 255); - - pool_foreach (s, sm->sessions, ( - { - f64 ctime = - (now - - s->create_time) * ct->seconds_per_clock; - f64 atime0 = - (now - - s->side[0].active_time) * - ct->seconds_per_clock; - f64 atime1 = - (now - - s->side[1].active_time) * - ct->seconds_per_clock; -/* - f64 ctime = (s->create_time - vm->cpu_time_main_loop_start) * ct->seconds_per_clock; - f64 atime0 = (s->side[0].active_time - vm->cpu_time_main_loop_start) * ct->seconds_per_clock; - f64 atime1 = (s->side[1].active_time - vm->cpu_time_main_loop_start) * ct->seconds_per_clock; -*/ - u8 * out0 = - format (0, - "%5d: create time: %U pkts/bytes/active time: [ %ld %ld %U : %ld %ld %U ]\n", - (s - sm->sessions), - format_time_interval, "h:m:s:u", - ctime, s->side[0].n_packets, - s->side[0].n_bytes, - format_time_interval, "h:m:s:u", - atime0, s->side[1].n_packets, - s->side[1].n_bytes, - format_time_interval, "h:m:s:u", - atime1); u8 * out1 = 0; - if (s->is_ip6) - { - out1 = - format (0, "%s %U :%u <-> %U :%u", - get_l4_proto_str (s->is_ip6, - s->l4_proto), - format_ip6_address, - &s->side[0].addr.ip6, - s->side[0].port, - format_ip6_address, - &s->side[1].addr.ip6, - s->side[1].port);} - else - { - out1 = - format (0, "%s %U :%u <-> %U :%u", - get_l4_proto_str (s->is_ip6, - s->l4_proto), - format_ip4_address, - &s->side[0].addr.ip4, - s->side[0].port, - format_ip4_address, - &s->side[1].addr.ip4, - s->side[1].port);} - vlib_cli_output (vm, "%s %s", out0, - out1); vec_free (out0); - vec_free (out1);} - )); - return 0; -} - -static clib_error_t * -l2sess_show_count_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - l2sess_main_t *sm = &l2sess_main; - - vlib_cli_output (vm, "Timing wheel info: \n%U", format_timing_wheel, - &sm->timing_wheel, 255); - vlib_cli_output (vm, "session pool len: %d, pool elts: %d", - pool_len (sm->sessions), pool_elts (sm->sessions)); - vlib_cli_output (vm, - "attempted to delete sessions which were already free: %d", - sm->counter_attempted_delete_free_session); - return 0; -} - - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (l2sess_show_command, static) = { - .path = "show l2sess", - .short_help = "show l2sess", - .function = l2sess_show_command_fn, -}; - -VLIB_CLI_COMMAND (l2sess_show_count_command, static) = { - .path = "show l2sess count", - .short_help = "show l2sess count", - .function = l2sess_show_count_command_fn, -}; -/* *INDENT-OFF* */ - -static inline u64 -time_sec_to_clock( clib_time_t *ct, f64 sec) -{ - return (u64)(((f64)sec)/ct->seconds_per_clock); -} - -static clib_error_t * l2sess_init (vlib_main_t * vm) -{ - l2sess_main_t * sm = &l2sess_main; - clib_error_t * error = 0; - u64 cpu_time_now = clib_cpu_time_now(); - - - clib_time_t *ct = &vm->clib_time; - sm->udp_session_idle_timeout = time_sec_to_clock(ct, UDP_SESSION_IDLE_TIMEOUT_SEC); - sm->tcp_session_idle_timeout = time_sec_to_clock(ct, TCP_SESSION_IDLE_TIMEOUT_SEC); - sm->tcp_session_transient_timeout = time_sec_to_clock(ct, TCP_SESSION_TRANSIENT_TIMEOUT_SEC); - - /* The min sched time of 10e-1 causes erroneous behavior... */ - sm->timing_wheel.min_sched_time = 10e-2; - sm->timing_wheel.max_sched_time = 3600.0*48.0; - timing_wheel_init (&sm->timing_wheel, cpu_time_now, vm->clib_time.clocks_per_second); - sm->timer_wheel_next_expiring_time = 0; - sm->timer_wheel_tick = time_sec_to_clock(ct, sm->timing_wheel.min_sched_time); - /* Pre-allocate expired nodes. */ - vec_alloc (sm->data_from_advancing_timing_wheel, 32); - - l2sess_setup_nodes(); - l2output_init_output_node_vec (&sm->output_next_nodes.output_node_index_vec); - - return error; -} - -VLIB_INIT_FUNCTION (l2sess_init); - - diff --git a/src/plugins/acl/l2sess.h b/src/plugins/acl/l2sess.h deleted file mode 100644 index 961c08c8..00000000 --- a/src/plugins/acl/l2sess.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef __included_l2sess_h__ -#define __included_l2sess_h__ - -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> -#include <vnet/ethernet/ethernet.h> - -#include <vppinfra/hash.h> -#include <vppinfra/error.h> -#include <vppinfra/elog.h> -#include <vppinfra/timing_wheel.h> - -#include <vnet/l2/l2_output.h> -#include <vnet/l2/l2_input.h> - -#define _(node_name, node_var, is_out, is_ip6, is_track) -#undef _ -#define foreach_l2sess_node \ - _("aclp-l2s-input-ip4-add", l2sess_in_ip4_add, 0, 0, 0) \ - _("aclp-l2s-input-ip6-add", l2sess_in_ip6_add, 0, 1, 0) \ - _("aclp-l2s-output-ip4-add", l2sess_out_ip4_add, 1, 0, 0) \ - _("aclp-l2s-output-ip6-add", l2sess_out_ip6_add, 1, 1, 0) \ - _("aclp-l2s-input-ip4-track", l2sess_in_ip4_track, 0, 0, 1) \ - _("aclp-l2s-input-ip6-track", l2sess_in_ip6_track, 0, 1, 1) \ - _("aclp-l2s-output-ip4-track",l2sess_out_ip4_track, 1, 0, 1) \ - _("aclp-l2s-output-ip6-track", l2sess_out_ip6_track, 1, 1, 1) - -#define _(node_name, node_var, is_out, is_ip6, is_track) \ - extern vlib_node_registration_t node_var; -foreach_l2sess_node -#undef _ - -#define TCP_FLAG_FIN 0x01 -#define TCP_FLAG_SYN 0x02 -#define TCP_FLAG_RST 0x04 -#define TCP_FLAG_PUSH 0x08 -#define TCP_FLAG_ACK 0x10 -#define TCP_FLAG_URG 0x20 -#define TCP_FLAG_ECE 0x40 -#define TCP_FLAG_CWR 0x80 -#define TCP_FLAGS_RSTFINACKSYN (TCP_FLAG_RST + TCP_FLAG_FIN + TCP_FLAG_SYN + TCP_FLAG_ACK) -#define TCP_FLAGS_ACKSYN (TCP_FLAG_SYN + TCP_FLAG_ACK) - -typedef struct { - ip46_address_t addr; - u64 active_time; - u64 n_packets; - u64 n_bytes; - u16 port; -} l2s_session_side_t; - -enum { - L2S_SESSION_SIDE_IN = 0, - L2S_SESSION_SIDE_OUT, - L2S_N_SESSION_SIDES -}; - -typedef struct { - u64 create_time; - l2s_session_side_t side[L2S_N_SESSION_SIDES]; - u8 l4_proto; - u8 is_ip6; - u16 tcp_flags_seen; /* u16 because of two sides */ -} l2s_session_t; - -#define PROD -#ifdef PROD -#define UDP_SESSION_IDLE_TIMEOUT_SEC 600 -#define TCP_SESSION_IDLE_TIMEOUT_SEC (3600*24) -#define TCP_SESSION_TRANSIENT_TIMEOUT_SEC 120 -#else -#define UDP_SESSION_IDLE_TIMEOUT_SEC 15 -#define TCP_SESSION_IDLE_TIMEOUT_SEC 15 -#define TCP_SESSION_TRANSIENT_TIMEOUT_SEC 5 -#endif - -typedef struct { - /* - * the next two fields are present for all nodes, but - * only one of them is used per node - depending - * on whether the node is an input or output one. - */ -#define _(node_name, node_var, is_out, is_ip6, is_track) \ - u32 node_var ## _feat_next_node_index[32]; -foreach_l2sess_node -#undef _ - l2_output_next_nodes_st output_next_nodes; - - /* Next indices of the tracker nodes */ - u32 next_slot_track_node_by_is_ip6_is_out[2][2]; - - /* - * Pairing of "forward" and "reverse" tables by table index. - * Each relationship has two entries - for one and the other table, - * so it is bidirectional. - */ - - u32 *fwd_to_rev_by_table_index; - - /* - * The vector of per-interface session pools - */ - - l2s_session_t *sessions; - - /* The session timeouts */ - u64 tcp_session_transient_timeout; - u64 tcp_session_idle_timeout; - u64 udp_session_idle_timeout; - - /* Timing wheel to time out the idle sessions */ - timing_wheel_t timing_wheel; - u32 *data_from_advancing_timing_wheel; - u64 timer_wheel_next_expiring_time; - u64 timer_wheel_tick; - - /* convenience */ - vlib_main_t * vlib_main; - vnet_main_t * vnet_main; - - /* Counter(s) */ - u64 counter_attempted_delete_free_session; -} l2sess_main_t; - -l2sess_main_t l2sess_main; - -/* Just exposed for acl.c */ - -void -l2sess_vlib_plugin_register (vlib_main_t * vm, void * hh, - int from_early_init); - - -#endif /* __included_l2sess_h__ */ diff --git a/src/plugins/acl/l2sess_node.c b/src/plugins/acl/l2sess_node.c deleted file mode 100644 index 689d216d..00000000 --- a/src/plugins/acl/l2sess_node.c +++ /dev/null @@ -1,763 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include <netinet/in.h> -#include <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> -#include <vppinfra/error.h> -#include <acl/l2sess.h> -#include <vnet/l2/l2_classify.h> - - -typedef struct -{ - u32 next_index; - u32 sw_if_index; - u32 trace_flags; - u32 session_tables[2]; - u32 session_nexts[2]; - u8 l4_proto; -} l2sess_trace_t; - -/* packet trace format function */ - -#define _(node_name, node_var, is_out, is_ip6, is_track) \ -static u8 * format_## node_var ##_trace (u8 * s, va_list * args) \ -{ \ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); \ - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); \ - l2sess_trace_t * t = va_arg (*args, l2sess_trace_t *); \ - \ - s = format (s, node_name ": sw_if_index %d, next index %d trace_flags %08x L4 proto %d\n" \ - " tables [ %d, %d ] nexts [ %d, %d ]", \ - t->sw_if_index, t->next_index, t->trace_flags, t->l4_proto, \ - t->session_tables[0], t->session_tables[1], \ - t->session_nexts[0], t->session_nexts[1]); \ - return s; \ -} -foreach_l2sess_node -#undef _ -#define foreach_l2sess_error \ -_(SWAPPED, "Mac swap packets processed") - typedef enum -{ -#define _(sym,str) L2SESS_ERROR_##sym, - foreach_l2sess_error -#undef _ - L2SESS_N_ERROR, -} l2sess_error_t; - -static char *l2sess_error_strings[] = { -#define _(sym,string) string, - foreach_l2sess_error -#undef _ -}; - -typedef enum -{ - L2SESS_NEXT_DROP, - L2SESS_N_NEXT, -} l2sess_next_t; - -u8 -l2sess_get_l4_proto (vlib_buffer_t * b0, int node_is_ip6) -{ - u8 proto; - int proto_offset; - if (node_is_ip6) - { - proto_offset = 20; - } - else - { - proto_offset = 23; - } - proto = *((u8 *) vlib_buffer_get_current (b0) + proto_offset); - return proto; -} - - -u8 -l2sess_get_tcp_flags (vlib_buffer_t * b0, int node_is_ip6) -{ - u8 flags; - int flags_offset; - if (node_is_ip6) - { - flags_offset = 14 + 40 + 13; /* FIXME: no extension headers assumed */ - } - else - { - flags_offset = 14 + 20 + 13; - } - flags = *((u8 *) vlib_buffer_get_current (b0) + flags_offset); - return flags; -} - -static inline int -l4_tcp_or_udp (u8 proto) -{ - return ((proto == 6) || (proto == 17)); -} - -void -l2sess_get_session_tables (l2sess_main_t * sm, u32 sw_if_index, - int node_is_out, int node_is_ip6, u8 l4_proto, - u32 * session_tables) -{ -/* - * Based on the direction, l3 and l4 protocol, fill a u32[2] array: - * [0] is index for the "direct match" path, [1] is for "mirrored match". - * Store the indices of the tables to add the session to in session_tables[] - */ - l2_output_classify_main_t *l2om = &l2_output_classify_main; - l2_input_classify_main_t *l2im = &l2_input_classify_main; - - u32 output_table_index; - u32 input_table_index; - - if (!l4_tcp_or_udp (l4_proto)) - { - return; - } - - if (node_is_ip6) - { - vec_validate_init_empty (l2im-> - classify_table_index_by_sw_if_index - [L2_INPUT_CLASSIFY_TABLE_IP6], sw_if_index, - ~0); - input_table_index = - l2im-> - classify_table_index_by_sw_if_index[L2_INPUT_CLASSIFY_TABLE_IP6] - [sw_if_index]; - vec_validate_init_empty (l2om-> - classify_table_index_by_sw_if_index - [L2_OUTPUT_CLASSIFY_TABLE_IP6], sw_if_index, - ~0); - output_table_index = - l2om-> - classify_table_index_by_sw_if_index[L2_OUTPUT_CLASSIFY_TABLE_IP6] - [sw_if_index]; - } - else - { - vec_validate_init_empty (l2im-> - classify_table_index_by_sw_if_index - [L2_INPUT_CLASSIFY_TABLE_IP4], sw_if_index, - ~0); - input_table_index = - l2im-> - classify_table_index_by_sw_if_index[L2_INPUT_CLASSIFY_TABLE_IP4] - [sw_if_index]; - vec_validate_init_empty (l2om-> - classify_table_index_by_sw_if_index - [L2_OUTPUT_CLASSIFY_TABLE_IP4], sw_if_index, - ~0); - output_table_index = - l2om-> - classify_table_index_by_sw_if_index[L2_OUTPUT_CLASSIFY_TABLE_IP4] - [sw_if_index]; - } - - if (node_is_out) - { - session_tables[0] = output_table_index; - session_tables[1] = input_table_index; - } - else - { - session_tables[0] = input_table_index; - session_tables[1] = output_table_index; - } -} - -void -l2sess_get_session_nexts (l2sess_main_t * sm, u32 sw_if_index, - int node_is_out, int node_is_ip6, u8 l4_proto, - u32 * session_nexts) -{ -/* - * Based on the direction, l3 and l4 protocol, fill a u32[2] array: - * [0] is the index for the "direct match" path, [1] is for "mirrored match". - * Store the match_next_index in session_nexts[] for a new session entry which is being added to session tables. - */ - u32 input_node_index; - u32 output_node_index; - - if (!l4_tcp_or_udp (l4_proto)) - { - return; - } - - input_node_index = - sm->next_slot_track_node_by_is_ip6_is_out[node_is_ip6][0]; - output_node_index = - sm->next_slot_track_node_by_is_ip6_is_out[node_is_ip6][1]; - - if (node_is_out) - { - session_nexts[0] = output_node_index; - session_nexts[1] = input_node_index; - } - else - { - session_nexts[0] = input_node_index; - session_nexts[1] = output_node_index; - } -} - - -static inline void -swap_bytes (vlib_buffer_t * b0, int off_a, int off_b, int nbytes) -{ - u8 tmp; - u8 *pa = vlib_buffer_get_current (b0) + off_a; - u8 *pb = vlib_buffer_get_current (b0) + off_b; - while (nbytes--) - { - tmp = *pa; - *pa++ = *pb; - *pb++ = tmp; - } -} - -/* - * This quite pro[bv]ably is a terrible idea performance wise. Moreso doing it twice. - * Would having a long (ish) chunk of memory work better for this ? - * We will see when we get to the performance of this. - */ -void -l2sess_flip_l3l4_fields (vlib_buffer_t * b0, int node_is_ip6, u8 l4_proto) -{ - if (!l4_tcp_or_udp (l4_proto)) - { - return; - } - if (node_is_ip6) - { - swap_bytes (b0, 22, 38, 16); /* L3 */ - swap_bytes (b0, 54, 56, 2); /* L4 (when no EH!) */ - } - else - { - swap_bytes (b0, 26, 30, 4); /* L3 */ - swap_bytes (b0, 34, 36, 2); /* L4 */ - } -} - -void -l2sess_add_session (vlib_buffer_t * b0, int node_is_out, int node_is_ip6, - u32 session_table, u32 session_match_next, - u32 opaque_index) -{ - vnet_classify_main_t *cm = &vnet_classify_main; - u32 action = 0; - u32 metadata = 0; - -#ifdef DEBUG_SESSIONS - printf ("Adding session to table %d with next %d\n", session_table, - session_match_next); -#endif - vnet_classify_add_del_session (cm, session_table, - vlib_buffer_get_current (b0), - session_match_next, opaque_index, 0, action, - metadata, 1); -} - - - -static void * -get_ptr_to_offset (vlib_buffer_t * b0, int offset) -{ - u8 *p = vlib_buffer_get_current (b0) + offset; - return p; -} - - -/* - * FIXME: Hardcoded offsets are ugly, although if casting to structs one - * would need to take care about alignment.. So let's for now be naive and simple. - */ - -void -session_store_ip4_l3l4_info (vlib_buffer_t * b0, l2s_session_t * sess, - int node_is_out) -{ - clib_memcpy (&sess->side[1 - node_is_out].addr.ip4, - get_ptr_to_offset (b0, 26), 4); - clib_memcpy (&sess->side[node_is_out].addr.ip4, get_ptr_to_offset (b0, 30), - 4); - sess->side[1 - node_is_out].port = - ntohs (*(u16 *) get_ptr_to_offset (b0, 34)); - sess->side[node_is_out].port = ntohs (*(u16 *) get_ptr_to_offset (b0, 36)); -} - -void -session_store_ip6_l3l4_info (vlib_buffer_t * b0, l2s_session_t * sess, - int node_is_out) -{ - clib_memcpy (&sess->side[1 - node_is_out].addr.ip6, - get_ptr_to_offset (b0, 22), 16); - clib_memcpy (&sess->side[node_is_out].addr.ip4, get_ptr_to_offset (b0, 38), - 16); - sess->side[1 - node_is_out].port = - ntohs (*(u16 *) get_ptr_to_offset (b0, 54)); - sess->side[node_is_out].port = ntohs (*(u16 *) get_ptr_to_offset (b0, 56)); -} - -static void -build_match_from_session (l2sess_main_t * sm, u8 * match, - l2s_session_t * sess, int is_out) -{ - if (sess->is_ip6) - { - match[20] = sess->l4_proto; - clib_memcpy (&match[22], &sess->side[1 - is_out].addr.ip6, 16); - clib_memcpy (&match[38], &sess->side[is_out].addr.ip4, 16); - *(u16 *) & match[54] = htons (sess->side[1 - is_out].port); - *(u16 *) & match[56] = htons (sess->side[is_out].port); - } - else - { - match[23] = sess->l4_proto; - clib_memcpy (&match[26], &sess->side[1 - is_out].addr.ip6, 4); - clib_memcpy (&match[30], &sess->side[is_out].addr.ip4, 4); - *(u16 *) & match[34] = htons (sess->side[1 - is_out].port); - *(u16 *) & match[36] = htons (sess->side[is_out].port); - } -} - -static void -delete_session (l2sess_main_t * sm, u32 sw_if_index, u32 session_index) -{ - vnet_classify_main_t *cm = &vnet_classify_main; - u8 match[5 * 16]; /* For building the mock of the packet to delete the classifier session */ - u32 session_tables[2] = { ~0, ~0 }; - l2s_session_t *sess = sm->sessions + session_index; - if (pool_is_free (sm->sessions, sess)) - { - sm->counter_attempted_delete_free_session++; - return; - } - l2sess_get_session_tables (sm, sw_if_index, 0, sess->is_ip6, sess->l4_proto, - session_tables); - if (session_tables[1] != ~0) - { - build_match_from_session (sm, match, sess, 1); - vnet_classify_add_del_session (cm, session_tables[1], match, 0, 0, 0, 0, - 0, 0); - } - if (session_tables[1] != ~0) - { - build_match_from_session (sm, match, sess, 1); - vnet_classify_add_del_session (cm, session_tables[1], match, 0, 0, 0, 0, - 0, 0); - } - pool_put (sm->sessions, sess); -} - -static void -udp_session_account_buffer (vlib_buffer_t * b0, l2s_session_t * s, - int which_side, u64 now) -{ - l2s_session_side_t *ss = &s->side[which_side]; - ss->active_time = now; - ss->n_packets++; - ss->n_bytes += b0->current_data + b0->current_length; -} - -static inline u64 -udp_session_get_timeout (l2sess_main_t * sm, l2s_session_t * sess, u64 now) -{ - return (sm->udp_session_idle_timeout); -} - -static void -tcp_session_account_buffer (vlib_buffer_t * b0, l2s_session_t * s, - int which_side, u64 now) -{ - l2s_session_side_t *ss = &s->side[which_side]; - ss->active_time = now; - ss->n_packets++; - ss->n_bytes += b0->current_data + b0->current_length; - /* Very very lightweight TCP state tracking: just record which flags were seen */ - s->tcp_flags_seen |= - l2sess_get_tcp_flags (b0, s->is_ip6) << (8 * which_side); -} - -/* - * Since we are tracking for the purposes of timing the sessions out, - * we mostly care about two states: established (maximize the idle timeouts) - * and transient (halfopen/halfclosed/reset) - we need to have a reasonably short timeout to - * quickly get rid of sessions but not short enough to violate the TCP specs. - */ - -static inline u64 -tcp_session_get_timeout (l2sess_main_t * sm, l2s_session_t * sess, u64 now) -{ - /* seen both SYNs and ACKs but not FINs means we are in establshed state */ - u16 masked_flags = - sess->tcp_flags_seen & ((TCP_FLAGS_RSTFINACKSYN << 8) + - TCP_FLAGS_RSTFINACKSYN); - if (((TCP_FLAGS_ACKSYN << 8) + TCP_FLAGS_ACKSYN) == masked_flags) - { - return (sm->tcp_session_idle_timeout); - } - else - { - return (sm->tcp_session_transient_timeout); - } -} - -static inline u64 -session_get_timeout (l2sess_main_t * sm, l2s_session_t * sess, u64 now) -{ - u64 timeout; - - switch (sess->l4_proto) - { - case 6: - timeout = tcp_session_get_timeout (sm, sess, now); - break; - case 17: - timeout = udp_session_get_timeout (sm, sess, now); - break; - default: - timeout = 0; - } - - return timeout; -} - -static inline u64 -get_session_last_active_time(l2s_session_t * sess) -{ - u64 last_active = - sess->side[0].active_time > - sess->side[1].active_time ? sess->side[0].active_time : sess->side[1]. - active_time; - return last_active; -} - -static int -session_is_alive (l2sess_main_t * sm, l2s_session_t * sess, u64 now, u64 *last_active_cache) -{ - u64 last_active = get_session_last_active_time(sess); - u64 timeout = session_get_timeout (sm, sess, now); - int is_alive = ((now - last_active) < timeout); - if (last_active_cache) - *last_active_cache = last_active; - return is_alive; -} - -static void -check_idle_sessions (l2sess_main_t * sm, u32 sw_if_index, u64 now) -{ - sm->timer_wheel_next_expiring_time = 0; - sm->data_from_advancing_timing_wheel - = - timing_wheel_advance (&sm->timing_wheel, now, - sm->data_from_advancing_timing_wheel, - &sm->timer_wheel_next_expiring_time); -#ifdef DEBUG_SESSIONS_VERBOSE - { - clib_time_t *ct = &sm->vlib_main->clib_time; - f64 ctime; - ctime = now * ct->seconds_per_clock; - clib_warning ("Now : %U", format_time_interval, "h:m:s:u", ctime); - ctime = sm->timer_wheel_next_expiring_time * ct->seconds_per_clock; - clib_warning ("Next expire: %U", format_time_interval, "h:m:s:u", ctime); - clib_warning ("Expired items: %d", - (int) vec_len (sm->data_from_advancing_timing_wheel)); - } -#endif - - sm->timer_wheel_next_expiring_time = now + sm->timer_wheel_tick; - if (PREDICT_FALSE ( 0 == sm->data_from_advancing_timing_wheel )) { - return; - } - - if (PREDICT_FALSE (_vec_len (sm->data_from_advancing_timing_wheel) > 0)) - { - uword i; - for (i = 0; i < _vec_len (sm->data_from_advancing_timing_wheel); i++) - { - u32 session_index = sm->data_from_advancing_timing_wheel[i]; - if (!pool_is_free_index (sm->sessions, session_index)) - { - l2s_session_t *sess = sm->sessions + session_index; - u64 last_active; - if (session_is_alive (sm, sess, now, &last_active)) - { -#ifdef DEBUG_SESSIONS - clib_warning ("Restarting timer for session %d", (int) session_index); -#endif - /* Pretend we did this in the past, at last_active moment */ - timing_wheel_insert (&sm->timing_wheel, - last_active + session_get_timeout (sm, sess, - last_active), - session_index); - } - else - { -#ifdef DEBUG_SESSIONS - clib_warning ("Deleting session %d", (int) session_index); -#endif - delete_session (sm, sw_if_index, session_index); - } - } - } - _vec_len (sm->data_from_advancing_timing_wheel) = 0; - } -} - -static uword -l2sess_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame, - int node_is_out, int node_is_ip6, int node_is_track, - u32 *feat_next_node_index) -{ - u32 n_left_from, *from, *to_next; - l2sess_next_t next_index; - u32 pkts_swapped = 0; - u32 feature_bitmap0; - u32 trace_flags0; - - l2sess_main_t *sm = &l2sess_main; - - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - u32 n_left_to_next; - - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - /* Only a single loop for now for simplicity */ - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0 = L2SESS_NEXT_DROP; - u32 sw_if_index0; - //ethernet_header_t *en0; - - /* speculatively enqueue b0 to the current next frame */ - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - //en0 = vlib_buffer_get_current (b0); - -/* - * node_is_out : 1 = is output, 0 = is input - * node_is_ip6 : 1 = is ip6, 0 = is ip4 - * node_is_track : 1 = is a state tracking node, 0 - is a session addition node - * - * The below code adjust the behavior according to these parameters. - */ - { - u32 session_tables[2] = { ~0, ~0 }; - u32 session_nexts[2] = { ~0, ~0 }; - u8 l4_proto; - u64 now = clib_cpu_time_now (); - - trace_flags0 = 0; - if (node_is_out) - { - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX]; - } - else - { - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - } - /* potentially also remove the nodes here */ - feature_bitmap0 = vnet_buffer (b0)->l2.feature_bitmap; - - if (node_is_track) - { - u32 sess_index = vnet_buffer (b0)->l2_classify.opaque_index; - l2s_session_t *sess = sm->sessions + sess_index; - l4_proto = sess->l4_proto; - - if (session_is_alive (sm, sess, now, 0)) - { - if (6 == l4_proto) - { - tcp_session_account_buffer (b0, sess, node_is_out, - now); - } - else - { - udp_session_account_buffer (b0, sess, node_is_out, - now); - } - } - else - { - timing_wheel_delete (&sm->timing_wheel, sess_index); - delete_session (sm, sw_if_index0, sess_index); - /* FIXME: drop the packet that hit the obsolete node, for now. We really ought to recycle it. */ - next0 = 0; - } - } - else - { - /* - * "-add" node: take l2opaque which arrived to us, and deduce - * the tables out of that. ~0 means the topmost classifier table - * applied for this AF on the RX(for input)/TX(for output)) sw_if_index. - * Also add the mirrored session to the paired table. - */ - l2s_session_t *sess; - u32 sess_index; - - l4_proto = l2sess_get_l4_proto (b0, node_is_ip6); - - pool_get (sm->sessions, sess); - sess_index = sess - sm->sessions; - sess->create_time = now; - sess->side[node_is_out].active_time = now; - sess->side[1 - node_is_out].active_time = now; - sess->l4_proto = l4_proto; - sess->is_ip6 = node_is_ip6; - if (node_is_ip6) - { - session_store_ip6_l3l4_info (b0, sess, node_is_out); - } - else - { - session_store_ip4_l3l4_info (b0, sess, node_is_out); - } - - l2sess_get_session_tables (sm, sw_if_index0, node_is_out, - node_is_ip6, l4_proto, - session_tables); - l2sess_get_session_nexts (sm, sw_if_index0, node_is_out, - node_is_ip6, l4_proto, - session_nexts); - l2sess_flip_l3l4_fields (b0, node_is_ip6, l4_proto); - if (session_tables[1] != ~0) - { - l2sess_add_session (b0, node_is_out, node_is_ip6, - session_tables[1], session_nexts[1], - sess_index); - } - l2sess_flip_l3l4_fields (b0, node_is_ip6, l4_proto); - if (session_tables[0] != ~0) - { - l2sess_add_session (b0, node_is_out, node_is_ip6, - session_tables[0], session_nexts[0], - sess_index); - } - if (6 == sess->l4_proto) - { - tcp_session_account_buffer (b0, sess, node_is_out, now); - } - else - { - udp_session_account_buffer (b0, sess, node_is_out, now); - } - timing_wheel_insert (&sm->timing_wheel, - now + session_get_timeout (sm, sess, - now), - sess_index); - } - - if (now >= sm->timer_wheel_next_expiring_time) - { - check_idle_sessions (sm, sw_if_index0, now); - } - - next0 = feat_bitmap_get_next_node_index (feat_next_node_index, - feature_bitmap0); - - if (next0 >= node->n_next_nodes) - { - trace_flags0 |= 1; - } - - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - l2sess_trace_t *t = - vlib_add_trace (vm, node, b0, sizeof (*t)); - t->sw_if_index = sw_if_index0; - t->next_index = next0; - t->trace_flags = trace_flags0; - t->l4_proto = l4_proto; - t->session_tables[0] = session_tables[0]; - t->session_tables[1] = session_tables[1]; - t->session_nexts[0] = session_nexts[0]; - t->session_nexts[1] = session_nexts[1]; - } - - } - pkts_swapped += 1; - if (next0 >= node->n_next_nodes) - { - next0 = 0; - } - - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - vlib_node_increment_counter (vm, node->node_index, - L2SESS_ERROR_SWAPPED, pkts_swapped); - return frame->n_vectors; -} - - -#define _(node_name, node_var, is_out, is_ip6, is_track) \ -static uword \ -node_var ## node_fn (vlib_main_t * vm, \ - vlib_node_runtime_t * node, \ - vlib_frame_t * frame) \ -{ \ - l2sess_main_t *sm = &l2sess_main; \ - return l2sess_node_fn(vm, node, frame, \ - is_out, is_ip6, is_track, \ - sm->node_var ## _feat_next_node_index); \ -} \ -VLIB_REGISTER_NODE (node_var) = { \ - .function = node_var ## node_fn, \ - .name = node_name, \ - .vector_size = sizeof (u32), \ - .format_trace = format_ ## node_var ## _trace, \ - .type = VLIB_NODE_TYPE_INTERNAL, \ - \ - .n_errors = ARRAY_LEN(l2sess_error_strings), \ - .error_strings = l2sess_error_strings, \ - \ - .n_next_nodes = L2SESS_N_NEXT, \ - .next_nodes = { \ - [L2SESS_NEXT_DROP] = "error-drop", \ - }, \ -}; -foreach_l2sess_node -#undef _ diff --git a/src/plugins/acl/node_in.c b/src/plugins/acl/node_in.c deleted file mode 100644 index 95802df5..00000000 --- a/src/plugins/acl/node_in.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> -#include <vppinfra/error.h> -#include <acl/acl.h> -#include "node_in.h" - -typedef struct -{ - u32 next_index; - u32 sw_if_index; - u32 match_acl_index; - u32 match_rule_index; - u32 trace_bitmap; -} acl_in_trace_t; - -/* packet trace format function */ -static u8 * -format_acl_in_trace (u8 * s, va_list * args) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - acl_in_trace_t *t = va_arg (*args, acl_in_trace_t *); - - s = - format (s, - "ACL_IN: sw_if_index %d, next index %d, match: inacl %d rule %d trace_bits %08x", - t->sw_if_index, t->next_index, t->match_acl_index, - t->match_rule_index, t->trace_bitmap); - return s; -} - -vlib_node_registration_t acl_in_node; - -#define foreach_acl_in_error \ -_(ACL_CHECK, "InACL check packets processed") - -typedef enum -{ -#define _(sym,str) ACL_IN_ERROR_##sym, - foreach_acl_in_error -#undef _ - ACL_IN_N_ERROR, -} acl_in_error_t; - -static char *acl_in_error_strings[] = { -#define _(sym,string) string, - foreach_acl_in_error -#undef _ -}; - -static uword -acl_in_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - u32 n_left_from, *from, *to_next; - acl_in_next_t next_index; - u32 pkts_acl_checked = 0; - u32 feature_bitmap0; - u32 trace_bitmap = 0; - u32 *input_feat_next_node_index = - acl_main.acl_in_node_feat_next_node_index; - - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - u32 n_left_to_next; - - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0 = ~0; - u32 sw_if_index0; - u32 next = ~0; - u32 match_acl_index = ~0; - u32 match_rule_index = ~0; - - /* speculatively enqueue b0 to the current next frame */ - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - feature_bitmap0 = vnet_buffer (b0)->l2.feature_bitmap; - - input_acl_packet_match (sw_if_index0, b0, &next, &match_acl_index, - &match_rule_index, &trace_bitmap); - if (next != ~0) - { - next0 = next; - } - if (next0 == ~0) - { - next0 = - feat_bitmap_get_next_node_index (input_feat_next_node_index, - feature_bitmap0); - } - - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - acl_in_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); - t->sw_if_index = sw_if_index0; - t->next_index = next0; - t->match_acl_index = match_acl_index; - t->match_rule_index = match_rule_index; - t->trace_bitmap = trace_bitmap; - } - - next0 = next0 < node->n_next_nodes ? next0 : 0; - - pkts_acl_checked += 1; - - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - - vlib_node_increment_counter (vm, acl_in_node.index, - ACL_IN_ERROR_ACL_CHECK, pkts_acl_checked); - return frame->n_vectors; -} - -VLIB_REGISTER_NODE (acl_in_node) = -{ - .function = acl_in_node_fn,.name = "acl-plugin-in",.vector_size = - sizeof (u32),.format_trace = format_acl_in_trace,.type = - VLIB_NODE_TYPE_INTERNAL,.n_errors = - ARRAY_LEN (acl_in_error_strings),.error_strings = - acl_in_error_strings,.n_next_nodes = ACL_IN_N_NEXT, - /* edit / add dispositions here */ - .next_nodes = - { - [ACL_IN_ERROR_DROP] = "error-drop", - [ACL_IN_ETHERNET_INPUT] = "ethernet-input", - [ACL_IN_L2S_INPUT_IP4_ADD] = "aclp-l2s-input-ip4-add", - [ACL_IN_L2S_INPUT_IP6_ADD] = "aclp-l2s-input-ip6-add",} -,}; diff --git a/src/plugins/acl/node_in.h b/src/plugins/acl/node_in.h deleted file mode 100644 index 502bbf8d..00000000 --- a/src/plugins/acl/node_in.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _NODE_IN_H_ -#define _NODE_IN_H_ - -typedef enum { - ACL_IN_ERROR_DROP, - ACL_IN_ETHERNET_INPUT, - ACL_IN_L2S_INPUT_IP4_ADD, - ACL_IN_L2S_INPUT_IP6_ADD, - ACL_IN_N_NEXT, -} acl_in_next_t; - -#endif diff --git a/src/plugins/acl/node_out.c b/src/plugins/acl/node_out.c deleted file mode 100644 index cbec3b9a..00000000 --- a/src/plugins/acl/node_out.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> -#include <vppinfra/error.h> -#include <acl/acl.h> - -#include "node_out.h" - -typedef struct -{ - u32 next_index; - u32 sw_if_index; - u32 match_acl_index; - u32 match_rule_index; - u32 trace_bitmap; -} acl_out_trace_t; - -/* packet trace format function */ -static u8 * -format_acl_out_trace (u8 * s, va_list * args) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - acl_out_trace_t *t = va_arg (*args, acl_out_trace_t *); - s = - format (s, - "ACL_OUT: sw_if_index %d, next index %d, match: outacl %d rule %d trace_bits %08x", - t->sw_if_index, t->next_index, t->match_acl_index, - t->match_rule_index, t->trace_bitmap); - return s; -} - -vlib_node_registration_t acl_out_node; - -#define foreach_acl_out_error \ -_(ACL_CHECK, "OutACL check packets processed") - -typedef enum -{ -#define _(sym,str) ACL_OUT_ERROR_##sym, - foreach_acl_out_error -#undef _ - ACL_OUT_N_ERROR, -} acl_out_error_t; - -static char *acl_out_error_strings[] = { -#define _(sym,string) string, - foreach_acl_out_error -#undef _ -}; - -static uword -acl_out_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - acl_main_t *am = &acl_main; - u32 *output_feat_next_node_index = - am->acl_out_node_feat_next_node_index; - u32 n_left_from, *from, *to_next; - acl_out_next_t next_index; - u32 pkts_acl_checked = 0; - u32 feature_bitmap0; - u32 match_acl_index = ~0; - u32 match_rule_index = ~0; - u32 trace_bitmap = 0; - - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - u32 n_left_to_next; - - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0 = ~0; - u32 next = 0; - u32 sw_if_index0; - - /* speculatively enqueue b0 to the current next frame */ - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX]; - feature_bitmap0 = vnet_buffer (b0)->l2.feature_bitmap; - - output_acl_packet_match (sw_if_index0, b0, &next, &match_acl_index, - &match_rule_index, &trace_bitmap); - if (next != ~0) - { - next0 = next; - } - if (next0 == ~0) - { - next0 = - feat_bitmap_get_next_node_index (output_feat_next_node_index, - feature_bitmap0); - } - - - - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - acl_out_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); - t->sw_if_index = sw_if_index0; - t->next_index = next0; - t->match_acl_index = match_acl_index; - t->match_rule_index = match_rule_index; - t->trace_bitmap = trace_bitmap; - } - - pkts_acl_checked += 1; - - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - - vlib_node_increment_counter (vm, acl_out_node.index, - ACL_OUT_ERROR_ACL_CHECK, pkts_acl_checked); - return frame->n_vectors; -} - -VLIB_REGISTER_NODE (acl_out_node) = -{ - .function = acl_out_node_fn,.name = "acl-plugin-out",.vector_size = - sizeof (u32),.format_trace = format_acl_out_trace,.type = - VLIB_NODE_TYPE_INTERNAL,.n_errors = - ARRAY_LEN (acl_out_error_strings),.error_strings = - acl_out_error_strings,.n_next_nodes = ACL_OUT_N_NEXT, - /* edit / add dispositions here */ - .next_nodes = - { - [ACL_OUT_ERROR_DROP] = "error-drop", - [ACL_OUT_INTERFACE_OUTPUT] = "interface-output", - [ACL_OUT_L2S_OUTPUT_IP4_ADD] = "aclp-l2s-output-ip4-add", - [ACL_OUT_L2S_OUTPUT_IP6_ADD] = "aclp-l2s-output-ip6-add",} -,}; diff --git a/src/plugins/acl/node_out.h b/src/plugins/acl/node_out.h deleted file mode 100644 index c919f3b7..00000000 --- a/src/plugins/acl/node_out.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _NODE_OUT_H_ -#define _NODE_OUT_H_ - -typedef enum { - ACL_OUT_ERROR_DROP, - ACL_OUT_INTERFACE_OUTPUT, - ACL_OUT_L2S_OUTPUT_IP4_ADD, - ACL_OUT_L2S_OUTPUT_IP6_ADD, - ACL_OUT_N_NEXT, -} acl_out_next_t; - -#endif diff --git a/src/plugins/acl/test/run-python b/src/plugins/acl/test/run-python deleted file mode 100755 index 215eb17a..00000000 --- a/src/plugins/acl/test/run-python +++ /dev/null @@ -1,28 +0,0 @@ -#!/bin/sh -# -# Do all the legwork to run a scapy shell with APIs available for load -# -CURR_DIR=`pwd` -ROOT_DIR=`git rev-parse --show-toplevel` -cd $ROOT_DIR -sudo apt-get install -y python-virtualenv -# uncomment the line below to enable build of plugins and api each time -# make plugins && make build-vpp-api || exit -virtualenv virtualenv -virtualenv/bin/pip install ipaddress -virtualenv/bin/pip install scapy -# install the python API into the virtualenv -cd $ROOT_DIR/vpp-api/python/ -$ROOT_DIR/virtualenv/bin/python setup.py install -# install the python ACL plugin API into the virtualenv -ACL_PLUGIN_SETUP_DIR=`find $ROOT_DIR/build-root -name acl-plugin` -cd $ACL_PLUGIN_SETUP_DIR; -$ROOT_DIR/virtualenv/bin/python setup.py install -cd $ROOT_DIR -# figure out the shared library path and start scapy -export LD_LIBRARY_PATH=`pwd`/`find . -name "libpneum.so" -exec dirname {} \; | grep lib64 | head -n 1` -cd $CURR_DIR -sudo LD_LIBRARY_PATH=$LD_LIBRARY_PATH $ROOT_DIR/virtualenv/bin/python $1 $2 $3 $4 $5 $6 $7 $8 $9 - - - diff --git a/src/plugins/acl/test/run-scapy b/src/plugins/acl/test/run-scapy deleted file mode 100755 index 266f07d1..00000000 --- a/src/plugins/acl/test/run-scapy +++ /dev/null @@ -1,26 +0,0 @@ -#!/bin/sh -# -# Do all the legwork to run a scapy shell with APIs available for load -# -ROOT_DIR=`git rev-parse --show-toplevel` -cd $ROOT_DIR -sudo apt-get install -y python-virtualenv -# uncomment the line below to enable the build of plugins and API each time.. -# make plugins && make build-vpp-api || exit -virtualenv virtualenv -virtualenv/bin/pip install ipaddress -virtualenv/bin/pip install scapy -# install the python API into the virtualenv -cd $ROOT_DIR/vpp-api/python/ -$ROOT_DIR/virtualenv/bin/python setup.py install -# install the python ACL plugin API into the virtualenv -ACL_PLUGIN_SETUP_DIR=`find $ROOT_DIR/build-root -name acl-plugin` -cd $ACL_PLUGIN_SETUP_DIR; -$ROOT_DIR/virtualenv/bin/python setup.py install -cd $ROOT_DIR -# figure out the shared library path and start scapy -export LD_LIBRARY_PATH=`pwd`/`find . -name "libpneum.so" -exec dirname {} \; | grep lib64 | head -n 1` -sudo LD_LIBRARY_PATH=$LD_LIBRARY_PATH virtualenv/bin/scapy - - - diff --git a/src/plugins/acl/test/test_acl_plugin.py b/src/plugins/acl/test/test_acl_plugin.py deleted file mode 100644 index 7fc72d67..00000000 --- a/src/plugins/acl/test/test_acl_plugin.py +++ /dev/null @@ -1,118 +0,0 @@ -from __future__ import print_function -import unittest, sys, time, threading, struct, logging, os -import vpp_papi -# import vpp_papi_plugins.acl -from ipaddress import * -papi_event = threading.Event() -print(vpp_papi.vpe.VL_API_SW_INTERFACE_SET_FLAGS) -def papi_event_handler(result): - if result.vl_msg_id == vpp_papi.vpe.VL_API_SW_INTERFACE_SET_FLAGS: - return - if result.vl_msg_id == vpp_papi.vpe.VL_API_VNET_INTERFACE_COUNTERS: - print('Interface counters', result) - return - if result.vl_msg_id == vpp_papi.vpe.VL_API_VNET_IP6_FIB_COUNTERS: - print('IPv6 FIB counters', result) - papi_event.set() - return - - print('Unknown message id:', result.vl_msg_id) - -import glob, subprocess -class TestAclPlugin(unittest.TestCase): - @classmethod - def setUpClass(cls): - print("Setup") - @classmethod - def tearDownClass(cls): - print("Teardown") - - def setUp(self): - print("Connecting API") - r = vpp_papi.connect("test_papi") - self.assertEqual(r, 0) - - def tearDown(self): - r = vpp_papi.disconnect() - self.assertEqual(r, 0) - - # - # The tests themselves - # - - # - # Basic request / reply - # - def test_show_version(self): - t = vpp_papi.show_version() - print('T', t); - program = t.program.decode().rstrip('\x00') - self.assertEqual('vpe', program) - - def x_test_acl_add(self): - print("Test ACL add") - self.assertEqual(1, 1) - - # - # Details / Dump - # - def x_test_details_dump(self): - t = vpp_papi.sw_interface_dump(0, b'') - print('Dump/details T', t) - - # - # Arrays - # - def x_test_arrays(self): - t = vpp_papi.vnet_get_summary_stats() - print('Summary stats', t) - print('Packets:', t.total_pkts[0]) - print('Packets:', t.total_pkts[1]) - # - # Variable sized arrays and counters - # - #@unittest.skip("stats") - def x_test_want_stats(self): - pid = 123 - vpp_papi.register_event_callback(papi_event_handler) - papi_event.clear() - - # Need to configure IPv6 to get som IPv6 FIB stats - t = vpp_papi.create_loopback('') - print(t) - self.assertEqual(t.retval, 0) - - ifindex = t.sw_if_index - addr = str(IPv6Address(u'1::1').packed) - t = vpp_papi.sw_interface_add_del_address(ifindex, 1, 1, 0, 16, addr) - print(t) - self.assertEqual(t.retval, 0) - - # Check if interface is up - # XXX: Add new API to query interface state based on ifindex, instead of dump all. - t = vpp_papi.sw_interface_set_flags(ifindex, 1, 1, 0) - self.assertEqual(t.retval, 0) - - t = vpp_papi.want_stats(True, pid) - - print (t) - - # - # Wait for some stats - # - self.assertEqual(papi_event.wait(15), True) - t = vpp_papi.want_stats(False, pid) - print (t) - - - # - # Plugins? - # - -if __name__ == '__main__' or __name__ == '__builtin__': - print("This is main") - suite = unittest.TestLoader().loadTestsFromTestCase(TestAclPlugin) - unittest.TextTestRunner(verbosity=2).run(suite) - #logging.basicConfig(level=logging.DEBUG) - # unittest.main() - |