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Diffstat (limited to 'utils/sysrepo-plugins/hicn-plugin/plugin/ietf/ietf_interface.c')
-rw-r--r--utils/sysrepo-plugins/hicn-plugin/plugin/ietf/ietf_interface.c597
1 files changed, 0 insertions, 597 deletions
diff --git a/utils/sysrepo-plugins/hicn-plugin/plugin/ietf/ietf_interface.c b/utils/sysrepo-plugins/hicn-plugin/plugin/ietf/ietf_interface.c
deleted file mode 100644
index f02605895..000000000
--- a/utils/sysrepo-plugins/hicn-plugin/plugin/ietf/ietf_interface.c
+++ /dev/null
@@ -1,597 +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 <netinet/in.h>
-#include <arpa/inet.h>
-
-#include <sysrepo.h>
-#include <sysrepo/plugins.h>
-#include <sysrepo/values.h>
-#include <sysrepo/xpath.h>
-#include <vnet/interface.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vapi/interface.api.vapi.h>
-
-#include "ietf_interface.h"
-#include "../hicn_vpp_comm.h"
-
-
-
-DEFINE_VAPI_MSG_IDS_INTERFACE_API_JSON;
-
-typedef struct hicn_interface_
-{
- u32 sw_if_index;
- char interface_name[VPP_INTFC_NAME_LEN];
- u8 l2_address[VPP_MAC_ADDRESS_LEN];
- u32 l2_address_length;
- u64 link_speed;
- u16 link_mtu;
- u8 admin_up_down;
- u8 link_up_down;
-} hicnIntfc;
-
-typedef struct _ietf_sw_interface_dump_ctx
-{
- u8 last_called;
- int num_ifs;
- int capacity;
- hicnIntfc * intfcArray;
-} ietf_sw_interface_dump_ctx;
-
-static i32 ietf_setInterfaceFlags(u32 sw_if_index, u8 admin_up_down);
-static i32 ietf_interface_name2index(const char *name, u32* if_index);
-static i32 ietf_interface_add_del_addr(u32 sw_if_index, u8 is_add, u8 is_ipv6,
- u8 del_all, u8 address_length,
- u8 address[VPP_IP6_ADDRESS_LEN]);
-static int ietf_initSwInterfaceDumpCTX(ietf_sw_interface_dump_ctx * dctx);
-static int ietf_freeSwInterfaceDumpCTX(ietf_sw_interface_dump_ctx * dctx);
-
-/**
- * @brief Helper function for converting netmask into prefix length.
- */
-static uint8_t
-netmask_to_prefix(const char *netmask)
-{
- in_addr_t n = 0;
- uint8_t i = 0;
-
- inet_pton(AF_INET, netmask, &n);
-
- while (n > 0) {
- n = n >> 1;
- i++;
- }
-
- return i;
-}
-
-/**
- * @brief Helper function for converting IPv4/IPv6 address string into binary representation.
- */
-static int
-ip_addr_str_to_binary(const char *ip_address_str, uint8_t *ip_address_bin, bool is_ipv6)
-{
- struct in6_addr addr6 = { 0, };
- struct in_addr addr4 = { 0, };
- int ret = 0;
-
- if (is_ipv6) {
- ret = inet_pton(AF_INET6, ip_address_str, &(addr6));
- if (1 == ret)
- {
- memcpy(ip_address_bin, &addr6, sizeof(addr6));
- }
- } else {
- ret = inet_pton(AF_INET, ip_address_str, &(addr4));
- if (1 == ret)
- {
- memcpy(ip_address_bin, &addr4, sizeof(addr4));
- }
- }
-
- return ret;
-}
-
-/**
- * @brief Enable or disable given interface.
- */
-static int
-interface_enable_disable(const char *if_name, bool enable)
-{
- uint32_t if_index = ~0;
- int rc = 0;
-
- SRP_LOG_DBG("%s interface '%s'", enable ? "Enabling" : "Disabling", if_name);
-
- /* get interface index */
- rc = ietf_interface_name2index(if_name, &if_index);
- if (0 != rc) {
- SRP_LOG_ERR("Invalid interface name: %s", if_name);
- return SR_ERR_INVAL_ARG;
- }
-
- /* enable/disable interface */
- rc = ietf_setInterfaceFlags(if_index, (uint8_t)enable);
- if (0 != rc) {
- SRP_LOG_ERR("Error by processing of the sw_interface_set_flags request, rc=%d", rc);
- return SR_ERR_OPERATION_FAILED;
- } else {
- return SR_ERR_OK;
- }
-}
-
-/**
- * @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)
-{
- 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;
-
- /* 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) {
- SRP_LOG_ERR("Unable to retrieve change iterator: %s", sr_strerror(rc));
- return rc;
- }
-
- /* iterate over all changes */
- while ((SR_ERR_OK == op_rc || event == SR_EV_ABORT) &&
- (SR_ERR_OK == (rc = sr_get_change_next(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_disable(if_name, new_val->data.bool_val);
- break;
- case SR_OP_DELETED:
- op_rc = interface_enable_disable(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 Add or remove IPv4/IPv6 address to/from an interface.
- */
-static int
-interface_ipv46_config_add_remove(const char *if_name, uint8_t *addr, uint8_t prefix, bool is_ipv6, bool add)
-{
- uint32_t if_index = ~0;
- int rc = 0;
-
- SRP_LOG_DBG("%s IP config on interface '%s'.", add ? "Adding" : "Removing", if_name);
-
- /* get interface index */
- rc = ietf_interface_name2index(if_name, &if_index);
- if (0 != rc) {
- SRP_LOG_ERR("Invalid interface name: %s", if_name);
- return SR_ERR_INVAL_ARG;
- }
-
- /* add del addr */
- rc = ietf_interface_add_del_addr(if_index, (uint8_t)add, (uint8_t)is_ipv6, 0, prefix, addr);
- if (0 != rc) {
- SRP_LOG_ERR("Error by processing of the sw_interface_set_flags request, rc=%d", rc);
- return SR_ERR_OPERATION_FAILED;
- } else {
- return SR_ERR_OK;
- }
-}
-int ietf_initSwInterfaceDumpCTX(ietf_sw_interface_dump_ctx * dctx)
-{
- if(dctx == NULL)
- return -1;
-
- dctx->intfcArray = NULL;
- dctx->last_called = false;
- dctx->capacity = 0;
- dctx->num_ifs = 0;
- return 0;
-}
-int ietf_freeSwInterfaceDumpCTX(ietf_sw_interface_dump_ctx * dctx)
-{
- if(dctx == NULL)
- return -1;
-
- if(dctx->intfcArray != NULL)
- {
- free(dctx->intfcArray);
- }
-
- return ietf_initSwInterfaceDumpCTX(dctx);
-}
-vapi_error_e
-ietf_sw_interface_dump_cb (struct vapi_ctx_s *ctx, void *callback_ctx,
- vapi_error_e rv, bool is_last,
- vapi_payload_sw_interface_details * reply)
-{
- ietf_sw_interface_dump_ctx *dctx = callback_ctx;
- if (is_last)
- {
- dctx->last_called = true;
- }
- else
- {
- if(dctx->capacity == 0 && dctx->intfcArray == NULL)
- {
- dctx->capacity = 10;
- dctx->intfcArray = (hicnIntfc*)malloc( sizeof(hicnIntfc)*dctx->capacity );
- }
- if(dctx->num_ifs >= dctx->capacity-1)
- {
-
- dctx->capacity += 10;
- dctx->intfcArray = (hicnIntfc*)realloc(dctx->intfcArray, sizeof(hicnIntfc)*dctx->capacity );
- }
-
- hicnIntfc * thisIntfc = &dctx->intfcArray[dctx->num_ifs];
-
- thisIntfc->sw_if_index = reply->sw_if_index;
- memcpy(thisIntfc->interface_name, reply->interface_name, VPP_INTFC_NAME_LEN);
- thisIntfc->l2_address_length = reply->l2_address_length;
- memcpy(thisIntfc->l2_address, reply->l2_address, reply->l2_address_length );
- //thisIntfc->link_speed = reply->link_speed;
-#define ONE_MEGABIT (uint64_t)1000000
- switch (reply->link_speed << VNET_HW_INTERFACE_FLAG_SPEED_SHIFT)
- {
- default:
- thisIntfc->link_speed = 0;
- break;
- }
-
- thisIntfc->link_mtu = reply->link_mtu;
- thisIntfc->admin_up_down = reply->admin_up_down;
- thisIntfc->link_up_down = reply->link_up_down;
-
- dctx->num_ifs += 1;
- }
- return VAPI_OK;
-}
-
-static i32 ietf_interface_name2index(const char *name, u32* if_index)
-{
- ARG_CHECK2(-1, name, if_index);
-
- i32 ret = -1;
- ietf_sw_interface_dump_ctx dctx = {false, 0, 0, 0};
- vapi_msg_sw_interface_dump *dump;
- vapi_error_e rv;
- dctx.last_called = false;
-
- dump = vapi_alloc_sw_interface_dump(g_vapi_ctx_instance);
- dump->payload.name_filter_valid = true;
- memcpy(dump->payload.name_filter, name, sizeof(dump->payload.name_filter));
-
- while (VAPI_EAGAIN == (rv = vapi_sw_interface_dump(g_vapi_ctx_instance, dump, ietf_sw_interface_dump_cb, &dctx)))
- ;
-
- int i = 0;
- for (; i < dctx.num_ifs; ++i)
- {
- if (strcmp(dctx.intfcArray[i].interface_name, name) == 0)
- {
- *if_index = dctx.intfcArray[i].sw_if_index;
- ret = 0;
- break;
- }
- }
- ietf_freeSwInterfaceDumpCTX(&dctx);
-
- return ret;
-}
-
-i32 ietf_interface_add_del_addr( u32 sw_if_index, u8 is_add, u8 is_ipv6, u8 del_all,
- u8 address_length, u8 address[VPP_IP6_ADDRESS_LEN] )
-{
- i32 ret = -1;
- vapi_msg_sw_interface_add_del_address *msg = vapi_alloc_sw_interface_add_del_address(g_vapi_ctx_instance);
- msg->payload.sw_if_index = sw_if_index;
- msg->payload.is_add = is_add;
- msg->payload.is_ipv6 = is_ipv6;
- msg->payload.del_all = del_all;
- msg->payload.address_length = address_length;
- memcpy(msg->payload.address, address, VPP_IP6_ADDRESS_LEN);
- vapi_msg_sw_interface_add_del_address_hton (msg);
-
- vapi_send (g_vapi_ctx_instance, msg);
-
- vapi_msg_sw_interface_add_del_address_reply *resp;
-
- HICN_VPP_VAPI_RECV;
-
- vapi_msg_sw_interface_add_del_address_reply_hton(resp);
- ret = resp->payload.retval;
- vapi_msg_free (g_vapi_ctx_instance, resp);
- return ret;
-}
-
-i32 ietf_setInterfaceFlags(u32 sw_if_index, u8 admin_up_down)
-{
- i32 ret = -1;
- vapi_msg_sw_interface_set_flags *msg = vapi_alloc_sw_interface_set_flags(g_vapi_ctx_instance);
- msg->payload.sw_if_index = sw_if_index;
- msg->payload.admin_up_down = admin_up_down;
- vapi_msg_sw_interface_set_flags_hton (msg);
-
- vapi_send (g_vapi_ctx_instance, msg);
-
- vapi_msg_sw_interface_set_flags_reply *resp;
-
- HICN_VPP_VAPI_RECV;
-
- vapi_msg_sw_interface_set_flags_reply_ntoh(resp);
- ret = resp->payload.retval;
- vapi_msg_free (g_vapi_ctx_instance, resp);
- return ret;
-}
-
-
-/**
- * @brief Modify existing IPv4/IPv6 config on an interface.
- */
-static int
-interface_ipv46_config_modify(sr_session_ctx_t *session, 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_str = NULL;
- uint8_t addr[16] = { 0, };
- 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_str = sr_xpath_key_value((char*)old_val->xpath, "address", "ip", &xpath_ctx);
- ip_addr_str_to_binary(addr_str, addr, is_ipv6);
- sr_xpath_recover(&xpath_ctx);
-
- /* delete old IP config */
- rc = interface_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 = interface_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)
-{
- 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;
- uint8_t addr[16] = { 0, };
- uint8_t prefix = 0;
- char *node_name = NULL, *if_name = NULL;
- int rc = SR_ERR_OK, op_rc = SR_ERR_OK;
-
- /* 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) {
- SRP_LOG_ERR("Unable to retrieve change iterator: %s", sr_strerror(rc));
- return rc;
- }
-
- /* iterate over all changes */
- while ((SR_ERR_OK == op_rc || event == SR_EV_ABORT) &&
- (SR_ERR_OK == (rc = sr_get_change_next(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")) {
- ip_addr_str_to_binary(new_val->data.string_val, addr, is_ipv6);
- 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 = interface_ipv46_config_add_remove(if_name, addr, prefix, is_ipv6, true /* add */);
- }
- }
- break;
- case SR_OP_MODIFIED:
- op_rc = interface_ipv46_config_modify(session, 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")) {
- ip_addr_str_to_binary(old_val->data.string_val, addr, is_ipv6);
- 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 = interface_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)
-{
- SRP_LOG_DBG("'%s' modified, event=%d", xpath, event);
-
- return SR_ERR_OK;
-}
-
-
-int ietf_subscribe_events(sr_session_ctx_t *session,
- sr_subscription_ctx_t **subscription){
-
- int rc = SR_ERR_OK;
- SRP_LOG_DBG_MSG("Subscriging ietf.");
-
- //
- rc = sr_subtree_change_subscribe(session, "/ietf-interfaces:interfaces/interface", ietf_interface_change_cb,
- NULL,
- 0, SR_SUBSCR_CTX_REUSE | SR_SUBSCR_EV_ENABLED, subscription);
-
- if (rc != SR_ERR_OK) {
- SRP_LOG_DBG_MSG("Problem in subscription /ietf-interfaces:interfaces/interface\n");
- goto error;
- }
-
- rc = sr_subtree_change_subscribe(session, "/ietf-interfaces:interfaces/interface/enabled", ietf_interface_enable_disable_cb,
- NULL,
- 100, SR_SUBSCR_CTX_REUSE | SR_SUBSCR_EV_ENABLED, subscription);
- if (rc != SR_ERR_OK) {
- SRP_LOG_DBG_MSG("Problem in subscription /ietf-interfaces:interfaces/interface/enabled\n");
- goto error;
- }
-
- rc = sr_subtree_change_subscribe(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, subscription);
-
- if (rc != SR_ERR_OK) {
- SRP_LOG_DBG_MSG("Problem in subscription /ietf-interfaces:interfaces/interface/ietf-ip:ipv4/address\n");
- goto error;
- }
-
- rc = sr_subtree_change_subscribe(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, subscription);
-
- if (rc != SR_ERR_OK) {
- SRP_LOG_DBG_MSG("Problem in subscription /ietf-interfaces:interfaces/interface/ietf-ip:ipv6/address\n");
- goto error;
- }
-
- /* rc = sr_dp_get_items_subscribe(session, "/ietf-interfaces:interfaces-state", ietf_interface_state_cb,
- NULL, SR_SUBSCR_CTX_REUSE,
- subscription);
- if (rc != SR_ERR_OK) {
- SRP_LOG_DBG_MSG("Problem in subscription /ietf-interfaces:interfaces-state\n");
- goto error;
- }*/
-
-
- SRP_LOG_INF_MSG("ietf initialized successfully.");
- return SR_ERR_OK;
-
- error:
- SRP_LOG_ERR_MSG("Error by initialization of the ietf.");
- return rc;
-}