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---
project: 'vpp'
project_creation_date: '2015-12-08'
project_category: ''
lifecycle_state: 'Incubation'
project_lead: &vpp_ptl
    name: 'Dave Barach'
    email: 'openvpp@barachs.net'
    id: 'dbarach'
    company: ''
    timezone: ''
primary_contact: *vpp_ptl
issue_tracking:
    type: 'jira'
    url: 'https://jira.fd.io/projects/vpp'
    key: 'VPP'
mailing_list:
    type: 'groups.io'
    url: 'https://lists.fd.io/g/vpp-dev'
    tag: '<[sub-project_name]>'
realtime_discussion:
    type: 'irc'
    server: 'freenode.net'
    channel: 'fdio-vpp'
meetings:
    - type: 'zoom'
      agenda: 'n/a'
      url: 'https://wiki.fd.io/view/VPP/Meeting'
      server: 'n/a'
      channel: 'fdio-vpp'
      repeats: 'weekly'
      time: '08:00 PT'
repositories:
    - 'vpp'
committers:
    - <<: *vpp_ptl
    - name: 'Dave Barach'
      company: 'cisco'
      email: 'openvpp@barachs.net'
      id: 'dbarach'
      timezone: ''
    - name: 'Florin Coras'
      company: 'cisco'
      email: 'florin.coras@gmail.com'
      id: 'florin.coras'
      timezone: ''
    - name: 'Benoit Ganne'
      company: 'cisco'
      email: 'bganne@cisco.com'
      id: 'bganne'
      timezone: ''
    - name: 'John Lo'
      company: 'cisco'
      email: 'loj@cisco.com'
      id: 'lojohn'
      timezone: ''
    - name: 'Chris Luke'
      company: 'comcast'
      email: 'chris_luke@comcast.com'
      id: 'chrisluke'
      timezone: ''
    - name: 'Damjan Marion'
      company: 'cisco'
      email: 'damarion@cisco.com'
      id: 'dmarion'
      timezone: ''
    - name: 'Neale Ranns'
      company: 'cisco'
      email: 'nranns@cisco.com'
      id: 'nranns'
      timezone: ''
    - name: 'Matthew Smith'
      company: 'netgate'
      email: 'mgsmith@netgate.com'
      id: 'mgsmith'
      timezone: ''
    - name: 'Ole Trøan'
      company: 'employees'
      email: 'otroan@employees.org'
      id: 'otroan'
      timezone: ''
    - name: 'Paul Vinciguerra'
      company: 'vinciconsulting'
      email: 'pvinci@vinciconsulting.com'
      id: 'pvinci'
      timezone: ''
    - name: 'Dave Wallace'
      company: 'gmail'
      email: 'dwallacelf@gmail.com'
      id: 'dwallacelf'
      timezone: ''
    - name: 'Ed Warnicke'
      company: 'gmail'
      email: 'hagbard@gmail.com'
      id: 'hagbard'
      timezone: ''
    - name: 'Andrew Yourtchenko'
      company: 'cisco'
      email: 'ayourtch@cisco.com'
      id: 'ayourtch'
      timezone: ''
tsc:
    # yamllint disable rule:line-length
    approval: ''
    changes:
        - type: 'removal'
          name: ''
          link: ''
        - type: 'promotion'
          name: ''
          link: ''
;vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/classify/vnet_classify.h> #include <vnet/classify/input_acl.h> #include <vnet/classify/policer_classify.h> #include <vnet/classify/flow_classify.h> #include <vnet/vnet_msg_enum.h> #define vl_typedefs /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_typedefs #define vl_endianfun /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) #define vl_printfun #include <vnet/vnet_all_api_h.h> #undef vl_printfun #include <vlibapi/api_helper_macros.h> #define foreach_vpe_api_msg \ _(CLASSIFY_ADD_DEL_TABLE, classify_add_del_table) \ _(CLASSIFY_ADD_DEL_SESSION, classify_add_del_session) \ _(CLASSIFY_TABLE_IDS,classify_table_ids) \ _(CLASSIFY_TABLE_BY_INTERFACE, classify_table_by_interface) \ _(CLASSIFY_TABLE_INFO,classify_table_info) \ _(CLASSIFY_SESSION_DUMP,classify_session_dump) \ _(POLICER_CLASSIFY_SET_INTERFACE, policer_classify_set_interface) \ _(POLICER_CLASSIFY_DUMP, policer_classify_dump) \ _(FLOW_CLASSIFY_SET_INTERFACE, flow_classify_set_interface) \ _(FLOW_CLASSIFY_DUMP, flow_classify_dump) #define foreach_classify_add_del_table_field \ _(table_index) \ _(nbuckets) \ _(memory_size) \ _(skip_n_vectors) \ _(match_n_vectors) \ _(next_table_index) \ _(miss_next_index) \ _(current_data_flag) \ _(current_data_offset) static void vl_api_classify_add_del_table_t_handler (vl_api_classify_add_del_table_t * mp) { vl_api_classify_add_del_table_reply_t *rmp; vnet_classify_main_t *cm = &vnet_classify_main; vnet_classify_table_t *t; int rv; #define _(a) u32 a; foreach_classify_add_del_table_field; #undef _ #define _(a) a = ntohl(mp->a); foreach_classify_add_del_table_field; #undef _ /* The underlying API fails silently, on purpose, so check here */ if (mp->is_add == 0) /* delete */ { if (pool_is_free_index (cm->tables, table_index)) { rv = VNET_API_ERROR_NO_SUCH_TABLE; goto out; } } else /* add or update */ { if (table_index != ~0 && pool_is_free_index (cm->tables, table_index)) table_index = ~0; } rv = vnet_classify_add_del_table (cm, mp->mask, nbuckets, memory_size, skip_n_vectors, match_n_vectors, next_table_index, miss_next_index, &table_index, current_data_flag, current_data_offset, mp->is_add, mp->del_chain); out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CLASSIFY_ADD_DEL_TABLE_REPLY, ({ if (rv == 0 && mp->is_add) { t = pool_elt_at_index (cm->tables, table_index); rmp->skip_n_vectors = ntohl(t->skip_n_vectors); rmp->match_n_vectors = ntohl(t->match_n_vectors); rmp->new_table_index = ntohl(table_index); } else { rmp->skip_n_vectors = ~0; rmp->match_n_vectors = ~0; rmp->new_table_index = ~0; } })); /* *INDENT-ON* */ } static void vl_api_classify_add_del_session_t_handler (vl_api_classify_add_del_session_t * mp) { vnet_classify_main_t *cm = &vnet_classify_main; vl_api_classify_add_del_session_reply_t *rmp; int rv; u32 table_index, hit_next_index, opaque_index, metadata; i32 advance; u8 action; table_index = ntohl (mp->table_index); hit_next_index = ntohl (mp->hit_next_index); opaque_index = ntohl (mp->opaque_index); advance = ntohl (mp->advance); action = mp->action; metadata = ntohl (mp->metadata); rv = vnet_classify_add_del_session (cm, table_index, mp->match, hit_next_index, opaque_index, advance, action, metadata, mp->is_add); REPLY_MACRO (VL_API_CLASSIFY_ADD_DEL_SESSION_REPLY); } static void vl_api_policer_classify_set_interface_t_handler (vl_api_policer_classify_set_interface_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_policer_classify_set_interface_reply_t *rmp; int rv; u32 sw_if_index, ip4_table_index, ip6_table_index, l2_table_index; ip4_table_index = ntohl (mp->ip4_table_index); ip6_table_index = ntohl (mp->ip6_table_index); l2_table_index = ntohl (mp->l2_table_index); sw_if_index = ntohl (mp->sw_if_index); VALIDATE_SW_IF_INDEX (mp); rv = vnet_set_policer_classify_intfc (vm, sw_if_index, ip4_table_index, ip6_table_index, l2_table_index, mp->is_add); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_POLICER_CLASSIFY_SET_INTERFACE_REPLY); } static void send_policer_classify_details (u32 sw_if_index, u32 table_index, unix_shared_memory_queue_t * q, u32 context) { vl_api_policer_classify_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_POLICER_CLASSIFY_DETAILS); mp->context = context; mp->sw_if_index = htonl (sw_if_index); mp->table_index = htonl (table_index); vl_msg_api_send_shmem (q, (u8 *) & mp); } static void vl_api_policer_classify_dump_t_handler (vl_api_policer_classify_dump_t * mp) { unix_shared_memory_queue_t *q; policer_classify_main_t *pcm = &policer_classify_main; u32 *vec_tbl; int i; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type]; if (vec_len (vec_tbl)) { for (i = 0; i < vec_len (vec_tbl); i++) { if (vec_elt (vec_tbl, i) == ~0) continue; send_policer_classify_details (i, vec_elt (vec_tbl, i), q, mp->context); } } } static void vl_api_classify_table_ids_t_handler (vl_api_classify_table_ids_t * mp) { unix_shared_memory_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; vnet_classify_main_t *cm = &vnet_classify_main; vnet_classify_table_t *t; u32 *table_ids = 0; u32 count; /* *INDENT-OFF* */ pool_foreach (t, cm->tables, ({ vec_add1 (table_ids, ntohl(t - cm->tables)); })); /* *INDENT-ON* */ count = vec_len (table_ids); vl_api_classify_table_ids_reply_t *rmp; rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp) + count * sizeof (u32)); rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_TABLE_IDS_REPLY); rmp->context = mp->context; rmp->count = ntohl (count); clib_memcpy (rmp->ids, table_ids, count * sizeof (u32)); rmp->retval = 0; vl_msg_api_send_shmem (q, (u8 *) & rmp); vec_free (table_ids); } static void vl_api_classify_table_by_interface_t_handler (vl_api_classify_table_by_interface_t * mp) { vl_api_classify_table_by_interface_reply_t *rmp; int rv = 0; u32 sw_if_index = ntohl (mp->sw_if_index); u32 *acl = 0; vec_validate (acl, INPUT_ACL_N_TABLES - 1); vec_set (acl, ~0); VALIDATE_SW_IF_INDEX (mp); input_acl_main_t *am = &input_acl_main; int if_idx; u32 type; for (type = 0; type < INPUT_ACL_N_TABLES; type++) { u32 *vec_tbl = am->classify_table_index_by_sw_if_index[type]; if (vec_len (vec_tbl)) { for (if_idx = 0; if_idx < vec_len (vec_tbl); if_idx++) { if (vec_elt (vec_tbl, if_idx) == ~0 || sw_if_index != if_idx) { continue; } acl[type] = vec_elt (vec_tbl, if_idx); } } } BAD_SW_IF_INDEX_LABEL; /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CLASSIFY_TABLE_BY_INTERFACE_REPLY, ({ rmp->sw_if_index = ntohl(sw_if_index); rmp->l2_table_id = ntohl(acl[INPUT_ACL_TABLE_L2]); rmp->ip4_table_id = ntohl(acl[INPUT_ACL_TABLE_IP4]); rmp->ip6_table_id = ntohl(acl[INPUT_ACL_TABLE_IP6]); })); /* *INDENT-ON* */ vec_free (acl); } static void vl_api_classify_table_info_t_handler (vl_api_classify_table_info_t * mp) { unix_shared_memory_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; vl_api_classify_table_info_reply_t *rmp = 0; vnet_classify_main_t *cm = &vnet_classify_main; u32 table_id = ntohl (mp->table_id); vnet_classify_table_t *t; /* *INDENT-OFF* */ pool_foreach (t, cm->tables, ({ if (table_id == t - cm->tables) { rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp) + t->match_n_vectors * sizeof (u32x4)); rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_TABLE_INFO_REPLY); rmp->context = mp->context; rmp->table_id = ntohl(table_id); rmp->nbuckets = ntohl(t->nbuckets); rmp->match_n_vectors = ntohl(t->match_n_vectors); rmp->skip_n_vectors = ntohl(t->skip_n_vectors); rmp->active_sessions = ntohl(t->active_elements); rmp->next_table_index = ntohl(t->next_table_index); rmp->miss_next_index = ntohl(t->miss_next_index); rmp->mask_length = ntohl(t->match_n_vectors * sizeof (u32x4)); clib_memcpy(rmp->mask, t->mask, t->match_n_vectors * sizeof(u32x4)); rmp->retval = 0; break; } })); /* *INDENT-ON* */ if (rmp == 0) { rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = ntohs ((VL_API_CLASSIFY_TABLE_INFO_REPLY)); rmp->context = mp->context; rmp->retval = ntohl (VNET_API_ERROR_CLASSIFY_TABLE_NOT_FOUND); } vl_msg_api_send_shmem (q, (u8 *) & rmp); } static void send_classify_session_details (unix_shared_memory_queue_t * q, u32 table_id, u32 match_length, vnet_classify_entry_t * e, u32 context) { vl_api_classify_session_details_t *rmp; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_SESSION_DETAILS); rmp->context = context; rmp->table_id = ntohl (table_id); rmp->hit_next_index = ntohl (e->next_index); rmp->advance = ntohl (e->advance); rmp->opaque_index = ntohl (e->opaque_index); rmp->match_length = ntohl (match_length); clib_memcpy (rmp->match, e->key, match_length); vl_msg_api_send_shmem (q, (u8 *) & rmp); } static void vl_api_classify_session_dump_t_handler (vl_api_classify_session_dump_t * mp) { vnet_classify_main_t *cm = &vnet_classify_main; unix_shared_memory_queue_t *q; u32 table_id = ntohl (mp->table_id); vnet_classify_table_t *t; q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) return; /* *INDENT-OFF* */ pool_foreach (t, cm->tables, ({ if (table_id == t - cm->tables) { vnet_classify_bucket_t * b; vnet_classify_entry_t * v, * save_v; int i, j, k; for (i = 0; i < t->nbuckets; i++) { b = &t->buckets [i]; if (b->offset == 0) continue; save_v = vnet_classify_get_entry (t, b->offset); for (j = 0; j < (1<<b->log2_pages); j++) { for (k = 0; k < t->entries_per_page; k++) { v = vnet_classify_entry_at_index (t, save_v, j*t->entries_per_page + k); if (vnet_classify_entry_is_free (v)) continue; send_classify_session_details (q, table_id, t->match_n_vectors * sizeof (u32x4), v, mp->context); } } } break; } })); /* *INDENT-ON* */ } static void vl_api_flow_classify_set_interface_t_handler (vl_api_flow_classify_set_interface_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_flow_classify_set_interface_reply_t *rmp; int rv; u32 sw_if_index, ip4_table_index, ip6_table_index; ip4_table_index = ntohl (mp->ip4_table_index); ip6_table_index = ntohl (mp->ip6_table_index); sw_if_index = ntohl (mp->sw_if_index); VALIDATE_SW_IF_INDEX (mp); rv = vnet_set_flow_classify_intfc (vm, sw_if_index, ip4_table_index, ip6_table_index, mp->is_add); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_FLOW_CLASSIFY_SET_INTERFACE_REPLY); } static void send_flow_classify_details (u32 sw_if_index, u32 table_index, unix_shared_memory_queue_t * q, u32 context) { vl_api_flow_classify_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_FLOW_CLASSIFY_DETAILS); mp->context = context; mp->sw_if_index = htonl (sw_if_index); mp->table_index = htonl (table_index); vl_msg_api_send_shmem (q, (u8 *) & mp); } static void vl_api_flow_classify_dump_t_handler (vl_api_flow_classify_dump_t * mp) { unix_shared_memory_queue_t *q; flow_classify_main_t *pcm = &flow_classify_main; u32 *vec_tbl; int i; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type]; if (vec_len (vec_tbl)) { for (i = 0; i < vec_len (vec_tbl); i++) { if (vec_elt (vec_tbl, i) == ~0) continue; send_flow_classify_details (i, vec_elt (vec_tbl, i), q, mp->context); } } } /* * classify_api_hookup * Add vpe's API message handlers to the table. * vlib has alread mapped shared memory and * added the client registration handlers. * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() */ #define vl_msg_name_crc_list #include <vnet/vnet_all_api_h.h> #undef vl_msg_name_crc_list static void setup_message_id_table (api_main_t * am) { #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); foreach_vl_msg_name_crc_classify; #undef _ } static clib_error_t * classify_api_hookup (vlib_main_t * vm) { api_main_t *am = &api_main; #define _(N,n) \ vl_msg_api_set_handlers(VL_API_##N, #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 1); foreach_vpe_api_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (classify_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */