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Diffstat (limited to 'src/plugins/ietf/ietf_interface.c')
-rw-r--r--src/plugins/ietf/ietf_interface.c570
1 files changed, 0 insertions, 570 deletions
diff --git a/src/plugins/ietf/ietf_interface.c b/src/plugins/ietf/ietf_interface.c
deleted file mode 100644
index b4a2bc7..0000000
--- a/src/plugins/ietf/ietf_interface.c
+++ /dev/null
@@ -1,570 +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 <stdio.h>
-#include <sys/socket.h>
-
-#include <sc_plugins.h>
-
-#include <scvpp/interface.h>
-#include <scvpp/ip.h>
-
-#include <vpp-api/client/stat_client.h>
-
-/**
- * @brief Callback to be called by any config change of
- * "/ietf-interfaces:interfaces/interface/enabled" leaf.
- */
-static int
-ietf_interface_enable_disable_cb(sr_session_ctx_t *session, const char *xpath,
- sr_notif_event_t event, void *private_ctx)
-{
- UNUSED(private_ctx);
- char *if_name = NULL;
- sr_change_iter_t *iter = NULL;
- sr_change_oper_t op = SR_OP_CREATED;
- sr_val_t *old_val = NULL;
- sr_val_t *new_val = NULL;
- sr_xpath_ctx_t xpath_ctx = { 0, };
- int rc = SR_ERR_OK, op_rc = SR_ERR_OK;
-
- SRP_LOG_INF("In %s", __FUNCTION__);
-
- /* no-op for apply, we only care about SR_EV_ENABLED, SR_EV_VERIFY, SR_EV_ABORT */
- if (SR_EV_APPLY == event)
- return SR_ERR_OK;
-
- SRP_LOG_DBG("'%s' modified, event=%d", xpath, event);
-
- /* get changes iterator */
- rc = sr_get_changes_iter(session, xpath, &iter);
- if (SR_ERR_OK != rc) {
- sr_free_change_iter(iter);
- SRP_LOG_ERR("Unable to retrieve change iterator: %s", sr_strerror(rc));
- return rc;
- }
-
- foreach_change (session, iter, op, old_val, new_val) {
-
- SRP_LOG_DBG("A change detected in '%s', op=%d", new_val ? new_val->xpath : old_val->xpath, op);
- if_name = sr_xpath_key_value(new_val ? new_val->xpath : old_val->xpath, "interface", "name", &xpath_ctx);
- switch (op) {
- case SR_OP_CREATED:
- case SR_OP_MODIFIED:
- op_rc = interface_enable(if_name, new_val->data.bool_val);
- break;
- case SR_OP_DELETED:
- op_rc = interface_enable(if_name, false /* !enable */);
- break;
- default:
- break;
- }
- sr_xpath_recover(&xpath_ctx);
- if (SR_ERR_INVAL_ARG == op_rc) {
- sr_set_error(session, "Invalid interface name.", new_val ? new_val->xpath : old_val->xpath);
- }
- sr_free_val(old_val);
- sr_free_val(new_val);
- }
- sr_free_change_iter(iter);
-
- return op_rc;
-}
-
-/**
- * @brief Modify existing IPv4/IPv6 config on an interface.
- */
-static int
-interface_ipv46_config_modify(const char *if_name, sr_val_t *old_val,
- sr_val_t *new_val, bool is_ipv6)
-{
- sr_xpath_ctx_t xpath_ctx = { 0, };
- char *addr = NULL;
- uint8_t prefix = 0;
- int rc = SR_ERR_OK;
-
- SRP_LOG_DBG("Updating IP config on interface '%s'.", if_name);
-
- /* get old config to be deleted */
- if (SR_UINT8_T == old_val->type) {
- prefix = old_val->data.uint8_val;
- } else if (SR_STRING_T == old_val->type) {
- prefix = netmask_to_prefix(old_val->data.string_val);
- } else {
- return SR_ERR_INVAL_ARG;
- }
- addr = sr_xpath_key_value((char*)old_val->xpath, "address", "ip", &xpath_ctx);
- sr_xpath_recover(&xpath_ctx);
-
- /* delete old IP config */
- rc = ipv46_config_add_remove(if_name, addr, prefix, is_ipv6, false /* remove */);
- if (SR_ERR_OK != rc) {
- SRP_LOG_ERR("Unable to remove old IP address config, rc=%d", rc);
- return rc;
- }
-
- /* update the config with the new value */
- if (sr_xpath_node_name_eq(new_val->xpath, "prefix-length")) {
- prefix = new_val->data.uint8_val;
- } else if (sr_xpath_node_name_eq(new_val->xpath, "netmask")) {
- prefix = netmask_to_prefix(new_val->data.string_val);
- }
-
- /* set new IP config */
- rc = ipv46_config_add_remove(if_name, addr, prefix, is_ipv6, true /* add */);
- if (SR_ERR_OK != rc) {
- SRP_LOG_ERR("Unable to remove old IP address config, rc=%d", rc);
- return rc;
- }
-
- return rc;
-}
-
-/**
- * @brief Callback to be called by any config change in subtrees
- * "/ietf-interfaces:interfaces/interface/ietf-ip:ipv4/address"
- * or "/ietf-interfaces:interfaces/interface/ietf-ip:ipv6/address".
- */
-static int
-ietf_interface_ipv46_address_change_cb(sr_session_ctx_t *session,
- const char *xpath,
- sr_notif_event_t event,
- void *private_ctx)
-{
- UNUSED(private_ctx);
- sr_change_iter_t *iter = NULL;
- sr_change_oper_t op = SR_OP_CREATED;
- sr_val_t *old_val = NULL;
- sr_val_t *new_val = NULL;
- sr_xpath_ctx_t xpath_ctx = { 0, };
- bool is_ipv6 = false, has_addr = false, has_prefix = false;
- char addr[VPP_IP6_ADDRESS_STRING_LEN] = {0};
- uint8_t prefix = 0;
- char *node_name = NULL, *if_name = NULL;
- int rc = SR_ERR_OK, op_rc = SR_ERR_OK;
-
- SRP_LOG_INF("In %s", __FUNCTION__);
-
- /* no-op for apply, we only care about SR_EV_ENABLED, SR_EV_VERIFY, SR_EV_ABORT */
- if (SR_EV_APPLY == event) {
- return SR_ERR_OK;
- }
- SRP_LOG_DBG("'%s' modified, event=%d", xpath, event);
-
- /* check whether we are handling ipv4 or ipv6 config */
- node_name = sr_xpath_node_idx((char*)xpath, 2, &xpath_ctx);
- if (NULL != node_name && 0 == strcmp(node_name, "ipv6")) {
- is_ipv6 = true;
- }
- sr_xpath_recover(&xpath_ctx);
-
- /* get changes iterator */
- rc = sr_get_changes_iter(session, xpath, &iter);
- if (SR_ERR_OK != rc) {
- sr_free_change_iter(iter);
- SRP_LOG_ERR("Unable to retrieve change iterator: %s", sr_strerror(rc));
- return rc;
- }
-
- foreach_change(session, iter, op, old_val, new_val) {
-
- SRP_LOG_DBG("A change detected in '%s', op=%d", new_val ? new_val->xpath : old_val->xpath, op);
- if_name = strdup(sr_xpath_key_value(new_val ? new_val->xpath : old_val->xpath, "interface", "name", &xpath_ctx));
- sr_xpath_recover(&xpath_ctx);
-
- switch (op) {
- case SR_OP_CREATED:
- if (SR_LIST_T == new_val->type) {
- /* create on list item - reset state vars */
- has_addr = has_prefix = false;
- } else {
- if (sr_xpath_node_name_eq(new_val->xpath, "ip")) {
- strncpy(addr, new_val->data.string_val, strlen(new_val->data.string_val));
- has_addr = true;
- } else if (sr_xpath_node_name_eq(new_val->xpath, "prefix-length")) {
- prefix = new_val->data.uint8_val;
- has_prefix = true;
- } else if (sr_xpath_node_name_eq(new_val->xpath, "netmask")) {
- prefix = netmask_to_prefix(new_val->data.string_val);
- has_prefix = true;
- }
- if (has_addr && has_prefix) {
- op_rc = ipv46_config_add_remove(if_name, addr, prefix, is_ipv6, true /* add */);
- }
- }
- break;
- case SR_OP_MODIFIED:
- //TODO Why is it using old_val and new_val?
- op_rc = interface_ipv46_config_modify(if_name, old_val, new_val, is_ipv6);
- break;
- case SR_OP_DELETED:
- if (SR_LIST_T == old_val->type) {
- /* delete on list item - reset state vars */
- has_addr = has_prefix = false;
- } else {
- if (sr_xpath_node_name_eq(old_val->xpath, "ip")) {
- strncpy(addr, old_val->data.string_val, strlen(old_val->data.string_val));
- has_addr = true;
- } else if (sr_xpath_node_name_eq(old_val->xpath, "prefix-length")) {
- prefix = old_val->data.uint8_val;
- has_prefix = true;
- } else if (sr_xpath_node_name_eq(old_val->xpath, "netmask")) {
- prefix = netmask_to_prefix(old_val->data.string_val);
- has_prefix = true;
- }
- if (has_addr && has_prefix) {
- op_rc = ipv46_config_add_remove(if_name, addr, prefix, is_ipv6, false /* !add */);
- }
- }
- break;
- default:
- break;
- }
- if (SR_ERR_INVAL_ARG == op_rc) {
- sr_set_error(session, "Invalid interface name.", new_val ? new_val->xpath : old_val->xpath);
- }
- free(if_name);
- sr_free_val(old_val);
- sr_free_val(new_val);
- }
- sr_free_change_iter(iter);
-
- return op_rc;
-}
-
-/**
- * @brief Callback to be called by any config change under "/ietf-interfaces:interfaces-state/interface" path.
- * Does not provide any functionality, needed just to cover not supported config leaves.
- */
-static int
-ietf_interface_change_cb(sr_session_ctx_t *session, const char *xpath,
- sr_notif_event_t event, void *private_ctx)
-{
- UNUSED(session); UNUSED(xpath); UNUSED(event); UNUSED(private_ctx);
-
- SRP_LOG_INF("In %s", __FUNCTION__);
-
- return SR_ERR_OK;
-}
-
-/**
- * @brief Callback to be called by any request for state data under "/ietf-interfaces:interfaces-state/interface" path.
- * Here we reply systematically with all interfaces, it the responsability of
- * sysrepo apply a filter not to answer undesired interfaces.
- */
-static int
-ietf_interface_state_cb(const char *xpath, sr_val_t **values,
- size_t *values_cnt, uint64_t request_id,
- const char *original_xpath, void *private_ctx)
-{
- UNUSED(request_id); UNUSED(original_xpath); UNUSED(private_ctx);
- struct elt* stack;
- sw_interface_dump_t *dump;
- sr_val_t *val = NULL;
- int vc = 5; //number of answer per interfaces
- int cnt = 0; //value counter
- int rc = SR_ERR_OK;
-
- SRP_LOG_INF("In %s", __FUNCTION__);
-
- if (!sr_xpath_node_name_eq(xpath, "interface"))
- goto nothing_todo; //no interface field specified
-
- /* dump interfaces */
- stack = interface_dump_all();
- if (!stack)
- goto nothing_todo; //no element returned
-
- /* allocate array of values to be returned */
- SRP_LOG_DBG("number of interfaces: %d", stack->id+1);
- rc = sr_new_values((stack->id + 1)* vc, &val);
- if (0 != rc)
- goto nothing_todo;
-
- foreach_stack_elt(stack) {
- dump = (sw_interface_dump_t *) data;
-
- SRP_LOG_DBG("State of interface %s, xpath %s", dump->interface_name, xpath);
- //TODO need support for type propvirtual
- sr_val_build_xpath(&val[cnt], "%s[name='%s']/type", xpath, dump->interface_name);
- sr_val_set_str_data(&val[cnt], SR_IDENTITYREF_T, "iana-if-type:ethernetCsmacd");
- cnt++;
-
- //Be careful, it needs if-mib feature to work !
- sr_val_build_xpath(&val[cnt], "%s[name='%s']/admin-status", xpath, dump->interface_name);
- sr_val_set_str_data(&val[cnt], SR_ENUM_T, dump->link_up_down ? "up" : "down");
- cnt++;
-
- sr_val_build_xpath(&val[cnt], "%s[name='%s']/oper-status", xpath, dump->interface_name);
- sr_val_set_str_data(&val[cnt], SR_ENUM_T, dump->link_up_down ? "up" : "down");
- cnt++;
-
- sr_val_build_xpath(&val[cnt], "%s[name='%s']/phys-address", xpath, dump->interface_name);
- if (dump->l2_address_length > 0) {
- sr_val_build_str_data(&val[cnt], SR_STRING_T,
- "%02x:%02x:%02x:%02x:%02x:%02x",
- dump->l2_address[0], dump->l2_address[1],
- dump->l2_address[2], dump->l2_address[3],
- dump->l2_address[4], dump->l2_address[5]);
- } else {
- sr_val_build_str_data(&val[cnt], SR_STRING_T, "%02x:%02x:%02x:%02x:%02x:%02x", 0,0,0,0,0,0);
- }
- cnt++;
-
- sr_val_build_xpath(&val[cnt], "%s[name='%s']/speed", xpath, dump->interface_name);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = dump->link_speed;
- cnt++;
-
- free(dump);
- }
-
- *values = val;
- *values_cnt = cnt;
-
- return SR_ERR_OK;
-
-nothing_todo:
- *values = NULL;
- *values_cnt = 0;
- return rc;
-}
-
-static inline stat_segment_data_t* fetch_stat_index(const char *path) {
- stat_segment_data_t *r;
- u32 *stats = NULL;
- u8 **patterns = NULL;
-
- patterns = stat_segment_string_vector(patterns, path);
- if (!patterns)
- return NULL;
-
- do {
- stats = stat_segment_ls(patterns);
- if (!stats)
- return NULL;
-
- r = stat_segment_dump(stats);
- } while (r == NULL); /* Memory layout has changed */
-
- return r;
-}
-
-static inline uint64_t get_counter(stat_segment_data_t *r, int itf_idx)
-{
- if (r == NULL) {
- SRP_LOG_ERR_MSG("stat segment can not be NULL");
- return 0;
- }
-
- if (r->type != STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE) {
- SRP_LOG_ERR_MSG("Only simple counter");
- return 0;
- }
-
- return r->simple_counter_vec[0][itf_idx];
-}
-
-static inline uint64_t get_bytes(stat_segment_data_t *r, int itf_idx)
-{
- if (r->type != STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED) {
- SRP_LOG_ERR_MSG("Only combined counter");
- return 0;
- }
-
- return r->combined_counter_vec[0][itf_idx].bytes;
-}
-
-static inline uint64_t get_packets(stat_segment_data_t *r, int itf_idx)
-{
- if (r->type != STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED) {
- SRP_LOG_ERR_MSG("Only combined counter");
- return 0;
- }
-
- return r->combined_counter_vec[0][itf_idx].packets;
-}
-
-/**
- * @brief Callback to be called by any request for state data under
- * "/ietf-interfaces:interfaces-state/interface/statistics" path.
- */
-static int
-interface_statistics_cb(const char *xpath, sr_val_t **values,
- size_t *values_cnt, uint64_t request_id,
- const char *original_xpath, void *private_ctx)
-{
- UNUSED(request_id); UNUSED(original_xpath); UNUSED(private_ctx);
- sr_val_t *val = NULL;
- int vc = 10;
- int cnt = 0; //value counter
- int rc = SR_ERR_OK;
- sr_xpath_ctx_t state = {0};
- char *tmp;
- char interface_name[VPP_INTFC_NAME_LEN] = {0};
- uint32_t itf_idx;
- stat_segment_data_t *r;
-
- SRP_LOG_INF("In %s", __FUNCTION__);
-
- /* Retrieve the interface asked */
- tmp = sr_xpath_key_value((char*) xpath, "interface", "name", &state);
- if (!tmp) {
- SRP_LOG_ERR_MSG("XPATH interface name not found");
- return SR_ERR_INVAL_ARG;
- }
- strncpy(interface_name, tmp, VPP_INTFC_NAME_LEN);
- sr_xpath_recover(&state);
-
- /* allocate array of values to be returned */
- rc = sr_new_values(vc, &val);
- if (0 != rc)
- goto nothing_todo;
-
- rc = get_interface_id(interface_name, &itf_idx);
- if (rc != 0)
- goto nothing_todo;
-
- SRP_LOG_DBG("name:%s index:%d", interface_name, itf_idx);
-
- r = fetch_stat_index("/if");
- if (!r)
- goto nothing_todo;
-
- for (int i = 0; i < stat_segment_vec_len(r); i++) {
- if (strcmp(r[i].name, "/if/rx") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/in-octets", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_bytes(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/rx-unicast") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/in-unicast-pkts", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_packets(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/rx-broadcast") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/in-broadcast-pkts", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_packets(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/rx-multicast") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/in-multicast-pkts", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_packets(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/rx-error") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/in-errors", xpath, 5);
- val[cnt].type = SR_UINT32_T;
- //Be carefeul cast uint64 to uint32
- val[cnt].data.uint32_val = get_counter(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/tx") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/out-octets", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_bytes(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/tx-unicast") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/out-unicast-pkts", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_packets(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/tx-broadcast") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/out-broadcast-pkts", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_packets(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/tx-multicast") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/out-multicast-pkts", xpath, 5);
- val[cnt].type = SR_UINT64_T;
- val[cnt].data.uint64_val = get_packets(&r[i], itf_idx);
- cnt++;
- } else if (strcmp(r[i].name, "/if/tx-error") == 0) {
- sr_val_build_xpath(&val[cnt], "%s/out-errors", xpath, 5);
- val[cnt].type = SR_UINT32_T;
- //Be carefeul cast uint64 to uint32
- val[cnt].data.uint32_val = get_counter(&r[i], itf_idx);
- cnt++;
- }
- }
-
- *values = val;
- *values_cnt = cnt;
-
- return SR_ERR_OK;
-
-nothing_todo:
- *values = NULL;
- *values_cnt = 0;
- return rc;
-}
-
-
-int
-ietf_interface_init(sc_plugin_main_t *pm)
-{
- int rc = SR_ERR_OK;
- SRP_LOG_DBG_MSG("Initializing ietf-interface plugin.");
-
- rc = sr_subtree_change_subscribe(pm->session, "/ietf-interfaces:interfaces/interface",
- ietf_interface_change_cb, NULL, 0, SR_SUBSCR_CTX_REUSE | SR_SUBSCR_EV_ENABLED, &pm->subscription);
- if (SR_ERR_OK != rc) {
- goto error;
- }
-
- rc = sr_subtree_change_subscribe(pm->session, "/ietf-interfaces:interfaces/interface/enabled",
- ietf_interface_enable_disable_cb, NULL, 100, SR_SUBSCR_CTX_REUSE | SR_SUBSCR_EV_ENABLED, &pm->subscription);
- if (SR_ERR_OK != rc) {
- goto error;
- }
-
- rc = sr_subtree_change_subscribe(pm->session, "/ietf-interfaces:interfaces/interface/ietf-ip:ipv4/address",
- ietf_interface_ipv46_address_change_cb, NULL, 99, SR_SUBSCR_CTX_REUSE | SR_SUBSCR_EV_ENABLED, &pm->subscription);
- if (SR_ERR_OK != rc) {
- goto error;
- }
-
- rc = sr_subtree_change_subscribe(pm->session, "/ietf-interfaces:interfaces/interface/ietf-ip:ipv6/address",
- ietf_interface_ipv46_address_change_cb, NULL, 98, SR_SUBSCR_CTX_REUSE | SR_SUBSCR_EV_ENABLED, &pm->subscription);
- if (SR_ERR_OK != rc) {
- goto error;
- }
-
- rc = sr_dp_get_items_subscribe(pm->session, "/ietf-interfaces:interfaces-state",
- ietf_interface_state_cb, NULL, SR_SUBSCR_CTX_REUSE, &pm->subscription);
- if (SR_ERR_OK != rc) {
- goto error;
- }
-
- rc = sr_dp_get_items_subscribe(pm->session, "/ietf-interfaces:interfaces-state/interface/statistics",
- interface_statistics_cb, NULL, SR_SUBSCR_CTX_REUSE, &pm->subscription);
- if (SR_ERR_OK != rc) {
- goto error;
- }
-
- SRP_LOG_DBG_MSG("ietf-interface plugin initialized successfully.");
- return SR_ERR_OK;
-
-error:
- SRP_LOG_ERR("Error by initialization of ietf-interface plugin. Error : %d", rc);
- return rc;
-}
-
-void
-ietf_interface_exit(__attribute__((unused)) sc_plugin_main_t *pm)
-{
-}
-
-SC_INIT_FUNCTION(ietf_interface_init);
-SC_EXIT_FUNCTION(ietf_interface_exit);