|
|
@@ -1,614 +0,0 @@
|
|
|
-/*
|
|
|
- * swlib.c: Switch configuration API (user space part)
|
|
|
- *
|
|
|
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
|
|
|
- *
|
|
|
- * This program is free software; you can redistribute it and/or
|
|
|
- * modify it under the terms of the GNU Lesser General Public License
|
|
|
- * version 2.1 as published by the Free Software Foundation.
|
|
|
- *
|
|
|
- * This program is distributed in the hope that it will be useful,
|
|
|
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
- * GNU General Public License for more details.
|
|
|
- */
|
|
|
-
|
|
|
-#include <stdio.h>
|
|
|
-#include <string.h>
|
|
|
-#include <stdlib.h>
|
|
|
-#include <inttypes.h>
|
|
|
-#include <errno.h>
|
|
|
-#include <stdint.h>
|
|
|
-#include <getopt.h>
|
|
|
-#include <sys/types.h>
|
|
|
-#include <sys/socket.h>
|
|
|
-#include <linux/switch.h>
|
|
|
-#include "swlib.h"
|
|
|
-
|
|
|
-//#define DEBUG 1
|
|
|
-#ifdef DEBUG
|
|
|
-#define DPRINTF(fmt, ...) fprintf(stderr, "%s(%d): " fmt, __func__, __LINE__, ##__VA_ARGS__)
|
|
|
-#else
|
|
|
-#define DPRINTF(fmt, ...) do {} while (0)
|
|
|
-#endif
|
|
|
-
|
|
|
-static struct nl_handle *handle;
|
|
|
-static struct nl_cache *cache;
|
|
|
-static struct genl_family *family;
|
|
|
-static struct nlattr *tb[SWITCH_ATTR_MAX];
|
|
|
-static int refcount = 0;
|
|
|
-
|
|
|
-static struct nla_policy port_policy[] = {
|
|
|
- [SWITCH_PORT_ID] = { .type = NLA_U32 },
|
|
|
- [SWITCH_PORT_FLAG_TAGGED] = { .type = NLA_FLAG },
|
|
|
-};
|
|
|
-
|
|
|
-static inline void *
|
|
|
-swlib_alloc(size_t size)
|
|
|
-{
|
|
|
- void *ptr;
|
|
|
-
|
|
|
- ptr = malloc(size);
|
|
|
- if (!ptr)
|
|
|
- goto done;
|
|
|
- memset(ptr, 0, size);
|
|
|
-
|
|
|
-done:
|
|
|
- return ptr;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-wait_handler(struct nl_msg *msg, void *arg)
|
|
|
-{
|
|
|
- int *finished = arg;
|
|
|
-
|
|
|
- *finished = 1;
|
|
|
- return NL_STOP;
|
|
|
-}
|
|
|
-
|
|
|
-/* helper function for performing netlink requests */
|
|
|
-static int
|
|
|
-swlib_call(int cmd, int (*call)(struct nl_msg *, void *),
|
|
|
- int (*data)(struct nl_msg *, void *), void *arg)
|
|
|
-{
|
|
|
- struct nl_msg *msg;
|
|
|
- struct nl_cb *cb = NULL;
|
|
|
- int finished;
|
|
|
- int flags = 0;
|
|
|
- int err;
|
|
|
-
|
|
|
- msg = nlmsg_alloc();
|
|
|
- if (!msg) {
|
|
|
- fprintf(stderr, "Out of memory!\n");
|
|
|
- exit(1);
|
|
|
- }
|
|
|
-
|
|
|
- if (!data)
|
|
|
- flags |= NLM_F_DUMP;
|
|
|
-
|
|
|
- genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, genl_family_get_id(family), 0, flags, cmd, 0);
|
|
|
- if (data) {
|
|
|
- if (data(msg, arg) < 0)
|
|
|
- goto nla_put_failure;
|
|
|
- }
|
|
|
-
|
|
|
- cb = nl_cb_alloc(NL_CB_CUSTOM);
|
|
|
- if (!cb) {
|
|
|
- fprintf(stderr, "nl_cb_alloc failed.\n");
|
|
|
- exit(1);
|
|
|
- }
|
|
|
-
|
|
|
- err = nl_send_auto_complete(handle, msg);
|
|
|
- if (err < 0) {
|
|
|
- fprintf(stderr, "nl_send_auto_complete failed: %d\n", err);
|
|
|
- goto out;
|
|
|
- }
|
|
|
-
|
|
|
- finished = 0;
|
|
|
-
|
|
|
- if (call)
|
|
|
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, call, arg);
|
|
|
-
|
|
|
- if (data)
|
|
|
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, wait_handler, &finished);
|
|
|
- else
|
|
|
- nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, wait_handler, &finished);
|
|
|
-
|
|
|
- err = nl_recvmsgs(handle, cb);
|
|
|
- if (err < 0) {
|
|
|
- goto out;
|
|
|
- }
|
|
|
-
|
|
|
- if (!finished)
|
|
|
- err = nl_wait_for_ack(handle);
|
|
|
-
|
|
|
-out:
|
|
|
- if (cb)
|
|
|
- nl_cb_put(cb);
|
|
|
-nla_put_failure:
|
|
|
- nlmsg_free(msg);
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-send_attr(struct nl_msg *msg, void *arg)
|
|
|
-{
|
|
|
- struct switch_val *val = arg;
|
|
|
- struct switch_attr *attr = val->attr;
|
|
|
-
|
|
|
- NLA_PUT_U32(msg, SWITCH_ATTR_ID, attr->dev->id);
|
|
|
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_ID, attr->id);
|
|
|
- switch(attr->atype) {
|
|
|
- case SWLIB_ATTR_GROUP_PORT:
|
|
|
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_PORT, val->port_vlan);
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_VLAN:
|
|
|
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_VLAN, val->port_vlan);
|
|
|
- break;
|
|
|
- default:
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-
|
|
|
-nla_put_failure:
|
|
|
- return -1;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-store_port_val(struct nl_msg *msg, struct nlattr *nla, struct switch_val *val)
|
|
|
-{
|
|
|
- struct nlattr *p;
|
|
|
- int ports = val->attr->dev->ports;
|
|
|
- int err = 0;
|
|
|
- int remaining;
|
|
|
-
|
|
|
- if (!val->value.ports)
|
|
|
- val->value.ports = malloc(sizeof(struct switch_port) * ports);
|
|
|
-
|
|
|
- nla_for_each_nested(p, nla, remaining) {
|
|
|
- struct nlattr *tb[SWITCH_PORT_ATTR_MAX+1];
|
|
|
- struct switch_port *port;
|
|
|
-
|
|
|
- if (val->len >= ports)
|
|
|
- break;
|
|
|
-
|
|
|
- err = nla_parse_nested(tb, SWITCH_PORT_ATTR_MAX, p, port_policy);
|
|
|
- if (err < 0)
|
|
|
- goto out;
|
|
|
-
|
|
|
- if (!tb[SWITCH_PORT_ID])
|
|
|
- continue;
|
|
|
-
|
|
|
- port = &val->value.ports[val->len];
|
|
|
- port->id = nla_get_u32(tb[SWITCH_PORT_ID]);
|
|
|
- port->flags = 0;
|
|
|
- if (tb[SWITCH_PORT_FLAG_TAGGED])
|
|
|
- port->flags |= SWLIB_PORT_FLAG_TAGGED;
|
|
|
-
|
|
|
- val->len++;
|
|
|
- }
|
|
|
-
|
|
|
-out:
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-store_val(struct nl_msg *msg, void *arg)
|
|
|
-{
|
|
|
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
|
|
|
- struct switch_val *val = arg;
|
|
|
- struct switch_attr *attr = val->attr;
|
|
|
-
|
|
|
- if (!val)
|
|
|
- goto error;
|
|
|
-
|
|
|
- if (nla_parse(tb, SWITCH_ATTR_MAX - 1, genlmsg_attrdata(gnlh, 0),
|
|
|
- genlmsg_attrlen(gnlh, 0), NULL) < 0) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- if (tb[SWITCH_ATTR_OP_VALUE_INT])
|
|
|
- val->value.i = nla_get_u32(tb[SWITCH_ATTR_OP_VALUE_INT]);
|
|
|
- else if (tb[SWITCH_ATTR_OP_VALUE_STR])
|
|
|
- val->value.s = strdup(nla_get_string(tb[SWITCH_ATTR_OP_VALUE_STR]));
|
|
|
- else if (tb[SWITCH_ATTR_OP_VALUE_PORTS])
|
|
|
- val->err = store_port_val(msg, tb[SWITCH_ATTR_OP_VALUE_PORTS], val);
|
|
|
-
|
|
|
- val->err = 0;
|
|
|
- return 0;
|
|
|
-
|
|
|
-error:
|
|
|
- return NL_SKIP;
|
|
|
-}
|
|
|
-
|
|
|
-int
|
|
|
-swlib_get_attr(struct switch_dev *dev, struct switch_attr *attr, struct switch_val *val)
|
|
|
-{
|
|
|
- int cmd;
|
|
|
- int err;
|
|
|
-
|
|
|
- switch(attr->atype) {
|
|
|
- case SWLIB_ATTR_GROUP_GLOBAL:
|
|
|
- cmd = SWITCH_CMD_GET_GLOBAL;
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_PORT:
|
|
|
- cmd = SWITCH_CMD_GET_PORT;
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_VLAN:
|
|
|
- cmd = SWITCH_CMD_GET_VLAN;
|
|
|
- break;
|
|
|
- default:
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
-
|
|
|
- memset(&val->value, 0, sizeof(val->value));
|
|
|
- val->len = 0;
|
|
|
- val->attr = attr;
|
|
|
- val->err = -EINVAL;
|
|
|
- err = swlib_call(cmd, store_val, send_attr, val);
|
|
|
- if (!err)
|
|
|
- err = val->err;
|
|
|
-
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-send_attr_ports(struct nl_msg *msg, struct switch_val *val)
|
|
|
-{
|
|
|
- struct nlattr *n;
|
|
|
- int i;
|
|
|
-
|
|
|
- /* TODO implement multipart? */
|
|
|
- if (val->len == 0)
|
|
|
- goto done;
|
|
|
- n = nla_nest_start(msg, SWITCH_ATTR_OP_VALUE_PORTS);
|
|
|
- if (!n)
|
|
|
- goto nla_put_failure;
|
|
|
- for (i = 0; i < val->len; i++) {
|
|
|
- struct switch_port *port = &val->value.ports[i];
|
|
|
- struct nlattr *np;
|
|
|
-
|
|
|
- np = nla_nest_start(msg, SWITCH_ATTR_PORT);
|
|
|
- if (!np)
|
|
|
- goto nla_put_failure;
|
|
|
-
|
|
|
- NLA_PUT_U32(msg, SWITCH_PORT_ID, port->id);
|
|
|
- if (port->flags & SWLIB_PORT_FLAG_TAGGED)
|
|
|
- NLA_PUT_FLAG(msg, SWITCH_PORT_FLAG_TAGGED);
|
|
|
-
|
|
|
- nla_nest_end(msg, np);
|
|
|
- }
|
|
|
- nla_nest_end(msg, n);
|
|
|
-done:
|
|
|
- return 0;
|
|
|
-
|
|
|
-nla_put_failure:
|
|
|
- return -1;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-send_attr_val(struct nl_msg *msg, void *arg)
|
|
|
-{
|
|
|
- struct switch_val *val = arg;
|
|
|
- struct switch_attr *attr = val->attr;
|
|
|
-
|
|
|
- if (send_attr(msg, arg))
|
|
|
- goto nla_put_failure;
|
|
|
-
|
|
|
- switch(attr->type) {
|
|
|
- case SWITCH_TYPE_NOVAL:
|
|
|
- break;
|
|
|
- case SWITCH_TYPE_INT:
|
|
|
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_VALUE_INT, val->value.i);
|
|
|
- break;
|
|
|
- case SWITCH_TYPE_STRING:
|
|
|
- if (!val->value.s)
|
|
|
- goto nla_put_failure;
|
|
|
- NLA_PUT_STRING(msg, SWITCH_ATTR_OP_VALUE_STR, val->value.s);
|
|
|
- break;
|
|
|
- case SWITCH_TYPE_PORTS:
|
|
|
- if (send_attr_ports(msg, val) < 0)
|
|
|
- goto nla_put_failure;
|
|
|
- break;
|
|
|
- default:
|
|
|
- goto nla_put_failure;
|
|
|
- }
|
|
|
- return 0;
|
|
|
-
|
|
|
-nla_put_failure:
|
|
|
- return -1;
|
|
|
-}
|
|
|
-
|
|
|
-int
|
|
|
-swlib_set_attr(struct switch_dev *dev, struct switch_attr *attr, struct switch_val *val)
|
|
|
-{
|
|
|
- int cmd;
|
|
|
-
|
|
|
- switch(attr->atype) {
|
|
|
- case SWLIB_ATTR_GROUP_GLOBAL:
|
|
|
- cmd = SWITCH_CMD_SET_GLOBAL;
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_PORT:
|
|
|
- cmd = SWITCH_CMD_SET_PORT;
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_VLAN:
|
|
|
- cmd = SWITCH_CMD_SET_VLAN;
|
|
|
- break;
|
|
|
- default:
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
-
|
|
|
- val->attr = attr;
|
|
|
- return swlib_call(cmd, NULL, send_attr_val, val);
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-struct attrlist_arg {
|
|
|
- int id;
|
|
|
- int atype;
|
|
|
- struct switch_dev *dev;
|
|
|
- struct switch_attr *prev;
|
|
|
- struct switch_attr **head;
|
|
|
-};
|
|
|
-
|
|
|
-static int
|
|
|
-add_id(struct nl_msg *msg, void *arg)
|
|
|
-{
|
|
|
- struct attrlist_arg *l = arg;
|
|
|
-
|
|
|
- NLA_PUT_U32(msg, SWITCH_ATTR_ID, l->id);
|
|
|
-
|
|
|
- return 0;
|
|
|
-nla_put_failure:
|
|
|
- return -1;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-add_attr(struct nl_msg *msg, void *ptr)
|
|
|
-{
|
|
|
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
|
|
|
- struct attrlist_arg *arg = ptr;
|
|
|
- struct switch_attr *new;
|
|
|
-
|
|
|
- if (nla_parse(tb, SWITCH_ATTR_MAX - 1, genlmsg_attrdata(gnlh, 0),
|
|
|
- genlmsg_attrlen(gnlh, 0), NULL) < 0)
|
|
|
- goto done;
|
|
|
-
|
|
|
- new = swlib_alloc(sizeof(struct switch_attr));
|
|
|
- if (!new)
|
|
|
- goto done;
|
|
|
-
|
|
|
- new->dev = arg->dev;
|
|
|
- new->atype = arg->atype;
|
|
|
- if (arg->prev) {
|
|
|
- arg->prev->next = new;
|
|
|
- } else {
|
|
|
- arg->prev = *arg->head;
|
|
|
- }
|
|
|
- *arg->head = new;
|
|
|
- arg->head = &new->next;
|
|
|
-
|
|
|
- if (tb[SWITCH_ATTR_OP_ID])
|
|
|
- new->id = nla_get_u32(tb[SWITCH_ATTR_OP_ID]);
|
|
|
- if (tb[SWITCH_ATTR_OP_TYPE])
|
|
|
- new->type = nla_get_u32(tb[SWITCH_ATTR_OP_TYPE]);
|
|
|
- if (tb[SWITCH_ATTR_OP_NAME])
|
|
|
- new->name = strdup(nla_get_string(tb[SWITCH_ATTR_OP_NAME]));
|
|
|
- if (tb[SWITCH_ATTR_OP_DESCRIPTION])
|
|
|
- new->description = strdup(nla_get_string(tb[SWITCH_ATTR_OP_DESCRIPTION]));
|
|
|
-
|
|
|
-done:
|
|
|
- return NL_SKIP;
|
|
|
-}
|
|
|
-
|
|
|
-int
|
|
|
-swlib_scan(struct switch_dev *dev)
|
|
|
-{
|
|
|
- struct attrlist_arg arg;
|
|
|
-
|
|
|
- if (dev->ops || dev->port_ops || dev->vlan_ops)
|
|
|
- return 0;
|
|
|
-
|
|
|
- arg.atype = SWLIB_ATTR_GROUP_GLOBAL;
|
|
|
- arg.dev = dev;
|
|
|
- arg.id = dev->id;
|
|
|
- arg.prev = NULL;
|
|
|
- arg.head = &dev->ops;
|
|
|
- swlib_call(SWITCH_CMD_LIST_GLOBAL, add_attr, add_id, &arg);
|
|
|
-
|
|
|
- arg.atype = SWLIB_ATTR_GROUP_PORT;
|
|
|
- arg.prev = NULL;
|
|
|
- arg.head = &dev->port_ops;
|
|
|
- swlib_call(SWITCH_CMD_LIST_PORT, add_attr, add_id, &arg);
|
|
|
-
|
|
|
- arg.atype = SWLIB_ATTR_GROUP_VLAN;
|
|
|
- arg.prev = NULL;
|
|
|
- arg.head = &dev->vlan_ops;
|
|
|
- swlib_call(SWITCH_CMD_LIST_VLAN, add_attr, add_id, &arg);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-struct switch_attr *swlib_lookup_attr(struct switch_dev *dev,
|
|
|
- enum swlib_attr_group atype, const char *name)
|
|
|
-{
|
|
|
- struct switch_attr *head;
|
|
|
-
|
|
|
- if (!name || !dev)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- switch(atype) {
|
|
|
- case SWLIB_ATTR_GROUP_GLOBAL:
|
|
|
- head = dev->ops;
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_PORT:
|
|
|
- head = dev->port_ops;
|
|
|
- break;
|
|
|
- case SWLIB_ATTR_GROUP_VLAN:
|
|
|
- head = dev->vlan_ops;
|
|
|
- break;
|
|
|
- }
|
|
|
- while(head) {
|
|
|
- if (!strcmp(name, head->name))
|
|
|
- return head;
|
|
|
- head = head->next;
|
|
|
- }
|
|
|
-
|
|
|
- return NULL;
|
|
|
-}
|
|
|
-
|
|
|
-static void
|
|
|
-swlib_priv_free(void)
|
|
|
-{
|
|
|
- if (cache)
|
|
|
- nl_cache_free(cache);
|
|
|
- if (handle)
|
|
|
- nl_handle_destroy(handle);
|
|
|
- handle = NULL;
|
|
|
- cache = NULL;
|
|
|
-}
|
|
|
-
|
|
|
-static int
|
|
|
-swlib_priv_init(void)
|
|
|
-{
|
|
|
- handle = nl_handle_alloc();
|
|
|
- if (!handle) {
|
|
|
- DPRINTF("Failed to create handle\n");
|
|
|
- goto err;
|
|
|
- }
|
|
|
-
|
|
|
- if (genl_connect(handle)) {
|
|
|
- DPRINTF("Failed to connect to generic netlink\n");
|
|
|
- goto err;
|
|
|
- }
|
|
|
-
|
|
|
- cache = genl_ctrl_alloc_cache(handle);
|
|
|
- if (!cache) {
|
|
|
- DPRINTF("Failed to allocate netlink cache\n");
|
|
|
- goto err;
|
|
|
- }
|
|
|
-
|
|
|
- family = genl_ctrl_search_by_name(cache, "switch");
|
|
|
- if (!family) {
|
|
|
- DPRINTF("Switch API not present\n");
|
|
|
- goto err;
|
|
|
- }
|
|
|
- return 0;
|
|
|
-
|
|
|
-err:
|
|
|
- swlib_priv_free();
|
|
|
- return -EINVAL;
|
|
|
-}
|
|
|
-
|
|
|
-struct swlib_scan_arg {
|
|
|
- const char *name;
|
|
|
- struct switch_dev *head;
|
|
|
- struct switch_dev *ptr;
|
|
|
-};
|
|
|
-
|
|
|
-static int
|
|
|
-add_switch(struct nl_msg *msg, void *arg)
|
|
|
-{
|
|
|
- struct swlib_scan_arg *sa = arg;
|
|
|
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
|
|
|
- struct switch_dev *dev;
|
|
|
- const char *name;
|
|
|
-
|
|
|
- if (nla_parse(tb, SWITCH_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL) < 0)
|
|
|
- goto done;
|
|
|
-
|
|
|
- if (!tb[SWITCH_ATTR_DEV_NAME])
|
|
|
- goto done;
|
|
|
-
|
|
|
- name = nla_get_string(tb[SWITCH_ATTR_DEV_NAME]);
|
|
|
- if (sa->name && (strcmp(name, sa->name) != 0))
|
|
|
- goto done;
|
|
|
-
|
|
|
- dev = swlib_alloc(sizeof(struct switch_dev));
|
|
|
- if (!dev)
|
|
|
- goto done;
|
|
|
-
|
|
|
- dev->dev_name = strdup(name);
|
|
|
- if (tb[SWITCH_ATTR_ID])
|
|
|
- dev->id = nla_get_u32(tb[SWITCH_ATTR_ID]);
|
|
|
- if (tb[SWITCH_ATTR_NAME])
|
|
|
- dev->name = strdup(nla_get_string(tb[SWITCH_ATTR_DEV_NAME]));
|
|
|
- if (tb[SWITCH_ATTR_PORTS])
|
|
|
- dev->ports = nla_get_u32(tb[SWITCH_ATTR_PORTS]);
|
|
|
- if (tb[SWITCH_ATTR_VLANS])
|
|
|
- dev->vlans = nla_get_u32(tb[SWITCH_ATTR_VLANS]);
|
|
|
-
|
|
|
- if (!sa->head) {
|
|
|
- sa->head = dev;
|
|
|
- sa->ptr = dev;
|
|
|
- } else {
|
|
|
- sa->ptr->next = dev;
|
|
|
- sa->ptr = dev;
|
|
|
- }
|
|
|
-
|
|
|
- refcount++;
|
|
|
-done:
|
|
|
- return NL_SKIP;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-struct switch_dev *
|
|
|
-swlib_connect(const char *name)
|
|
|
-{
|
|
|
- struct swlib_scan_arg arg;
|
|
|
- int err;
|
|
|
-
|
|
|
- if (!refcount) {
|
|
|
- if (swlib_priv_init() < 0)
|
|
|
- return NULL;
|
|
|
- };
|
|
|
-
|
|
|
- arg.head = NULL;
|
|
|
- arg.ptr = NULL;
|
|
|
- arg.name = name;
|
|
|
- swlib_call(SWITCH_CMD_GET_SWITCH, add_switch, NULL, &arg);
|
|
|
-
|
|
|
- if (!refcount)
|
|
|
- swlib_priv_free();
|
|
|
-
|
|
|
- return arg.head;
|
|
|
-}
|
|
|
-
|
|
|
-static void
|
|
|
-swlib_free_attributes(struct switch_attr **head)
|
|
|
-{
|
|
|
- struct switch_attr *a = *head;
|
|
|
- struct switch_attr *next;
|
|
|
-
|
|
|
- while (a) {
|
|
|
- next = a->next;
|
|
|
- free(a);
|
|
|
- a = next;
|
|
|
- }
|
|
|
- *head = NULL;
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-swlib_free(struct switch_dev *dev)
|
|
|
-{
|
|
|
- swlib_free_attributes(&dev->ops);
|
|
|
- swlib_free_attributes(&dev->port_ops);
|
|
|
- swlib_free_attributes(&dev->vlan_ops);
|
|
|
- free(dev);
|
|
|
-
|
|
|
- if (--refcount == 0)
|
|
|
- swlib_priv_free();
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-swlib_free_all(struct switch_dev *dev)
|
|
|
-{
|
|
|
- struct switch_dev *p;
|
|
|
-
|
|
|
- while (dev) {
|
|
|
- p = dev->next;
|
|
|
- swlib_free(dev);
|
|
|
- dev = p;
|
|
|
- }
|
|
|
-}
|
Waldemar Brodkorb