mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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0878546df0
If we want to support vlan without libnl3, then we can use ioctl. Changelog: V2: fix identation and comments. Signed-off-by: Weiping Pan <wpan@redhat.com>
281 lines
7.7 KiB
C
281 lines
7.7 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* NetworkManager -- Network link manager
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright (C) 2011 Caixa Magica Software.
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* Copyright (C) 2011 - 2012 Red Hat, Inc.
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*/
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#ifndef NM_NETLINK_COMPAT_H
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#define NM_NETLINK_COMPAT_H
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#include <errno.h>
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#include <netlink/netlink.h>
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#include <netlink/route/rtnl.h>
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#include <netlink/route/link.h>
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#include <netlink/route/route.h>
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#include <netlink/route/addr.h>
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#include <netlink/netlink.h>
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#include <netlink/cache.h>
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#include <netlink/utils.h>
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#include <netlink/data.h>
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#include <netlink/route/rtnl.h>
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#include <netlink/route/route.h>
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#include <netlink/route/link.h>
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#include <netlink/route/nexthop.h>
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#include <config.h>
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/* libnl-1 API compatibility for libnl-2/3*/
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#ifndef HAVE_LIBNL1
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struct rtnl_nexthop * nm_netlink_get_nh(struct rtnl_route *);
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int rtnl_route_get_oif(struct rtnl_route *);
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int rtnl_route_set_oif(struct rtnl_route *, int);
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int rtnl_route_set_gateway(struct rtnl_route *, struct nl_addr *);
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int rtnl_route_get_dst_len(struct rtnl_route *);
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struct nl_addr * rtnl_route_get_gateway(struct rtnl_route *);
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#endif
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/* libnl-2 API compatibility for libnl-3 */
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#ifdef HAVE_LIBNL3
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static inline int
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__rtnl_link_alloc_cache (struct nl_sock *h, struct nl_cache **cache)
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{
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return rtnl_link_alloc_cache (h, AF_UNSPEC, cache);
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}
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#define rtnl_link_alloc_cache __rtnl_link_alloc_cache
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#endif
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/* libnl-2.0 compat functions */
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#ifdef HAVE_LIBNL2
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/* functions with similar prototypes */
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#define nlmsg_datalen nlmsg_len
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#endif /* HAVE_LIBNL2 */
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/* libnl-1.0 compat functions */
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#ifdef HAVE_LIBNL1
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#define nl_sock nl_handle
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/* libnl-1.0 functions with similar prototypes */
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#define nl_socket_alloc nl_handle_alloc
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#define nl_socket_alloc_cb nl_handle_alloc_cb
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#define nl_socket_free nl_handle_destroy
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#define nl_socket_set_passcred nl_set_passcred
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#define nl_socket_disable_seq_check nl_disable_sequence_check
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#define rtnl_route_set_priority rtnl_route_set_prio
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#define nlmsg_datalen nlmsg_len
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/* auxiliary functions */
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int nl_compat_error (int);
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/* libnl-1.0 functions with modified prototypes in libnl-2/3*/
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static inline const char *
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__nl_geterror (int err)
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{
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/* err is set, can be parsed */
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return nl_geterror ();
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}
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#define nl_geterror __nl_geterror
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static inline int
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__rtnl_addr_alloc_cache (struct nl_sock *h, struct nl_cache **cache)
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{
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g_return_val_if_fail (cache != NULL, -EINVAL);
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*cache = rtnl_addr_alloc_cache (h);
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return *cache ? 0 : -ENOMEM;
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}
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#define rtnl_addr_alloc_cache __rtnl_addr_alloc_cache
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static inline int
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__rtnl_route_alloc_cache (struct nl_sock *h, int family, int flags, struct nl_cache **cache)
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{
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g_return_val_if_fail (cache != NULL, -EINVAL);
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*cache = rtnl_route_alloc_cache (h);
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return *cache ? 0 : -ENOMEM;
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}
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#define rtnl_route_alloc_cache __rtnl_route_alloc_cache
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static inline int
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__rtnl_link_alloc_cache (struct nl_sock *h, struct nl_cache **cache)
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{
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g_return_val_if_fail (cache != NULL, -EINVAL);
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*cache = rtnl_link_alloc_cache (h);
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return *cache ? 0 : -ENOMEM;
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}
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#define rtnl_link_alloc_cache __rtnl_link_alloc_cache
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static inline int
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__rtnl_route_get_metric (struct rtnl_route *route, int metric, unsigned int *value)
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{
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g_return_val_if_fail (value != NULL, -EINVAL);
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*value = rtnl_route_get_metric (route, metric);
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return 0;
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}
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#define rtnl_route_get_metric __rtnl_route_get_metric
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static inline int
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__rtnl_addr_add (struct nl_sock *h, struct rtnl_addr *addr, int flags)
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{
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return nl_compat_error (rtnl_addr_add (h, addr, flags));
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}
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#define rtnl_addr_add __rtnl_addr_add
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static inline int
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__rtnl_route_add (struct nl_sock *sk, struct rtnl_route *route, int flags)
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{
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return nl_compat_error (rtnl_route_add (sk, route, flags));
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}
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#define rtnl_route_add __rtnl_route_add
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static inline int
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rtnl_route_delete (struct nl_sock *h, struct rtnl_route *route, int flags)
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{
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return nl_compat_error (rtnl_route_del (h, route, flags));
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}
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#define rtnl_route_del rtnl_route_delete
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static inline int
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__rtnl_link_change (struct nl_sock *h, struct rtnl_link *old, struct rtnl_link *tmpl, int flags)
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{
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return nl_compat_error (rtnl_link_change (h, old, tmpl,flags));
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}
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#define rtnl_link_change __rtnl_link_change
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static inline int
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__nl_cache_include (struct nl_cache *cache, struct nl_object *obj, change_func_t cb, void *data)
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{
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return nl_cache_include (cache, obj, cb);
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}
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#define nl_cache_include __nl_cache_include
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#define NLE_SUCCESS 0
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#define NLE_FAILURE 1
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#define NLE_INTR 2
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#define NLE_BAD_SOCK 3
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#define NLE_AGAIN 4
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#define NLE_NOMEM 5
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#define NLE_EXIST 6
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#define NLE_INVAL 7
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#define NLE_RANGE 8
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#define NLE_MSGSIZE 9
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#define NLE_OPNOTSUPP 10
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#define NLE_AF_NOSUPPORT 11
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#define NLE_OBJ_NOTFOUND 12
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#define NLE_NOATTR 13
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#define NLE_MISSING_ATTR 14
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#define NLE_AF_MISMATCH 15
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#define NLE_SEQ_MISMATCH 16
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#define NLE_MSG_OVERFLOW 17
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#define NLE_MSG_TRUNC 18
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#define NLE_NOADDR 19
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#define NLE_SRCRT_NOSUPPORT 20
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#define NLE_MSG_TOOSHORT 21
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#define NLE_MSGTYPE_NOSUPPORT 22
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#define NLE_OBJ_MISMATCH 23
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#define NLE_NOCACHE 24
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#define NLE_BUSY 25
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#define NLE_PROTO_MISMATCH 26
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#define NLE_NOACCESS 27
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#define NLE_PERM 28
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#define NLE_PKTLOC_FILE 29
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#endif /* HAVE_LIBNL1 */
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/* Stuff that only libnl3 has */
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#if defined(HAVE_LIBNL1) || defined(HAVE_LIBNL2)
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static inline int
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rtnl_link_bond_add (struct nl_sock *h, const char *name, void *data)
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{
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/* Bonding only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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static inline int
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rtnl_link_get_kernel (struct nl_sock *h, int f, const char *name, struct rtnl_link **out_link)
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{
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/* Bonding only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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static inline char *
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rtnl_link_get_type (struct rtnl_link *rtnl_link)
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{
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/* Bonding only in libnl3 */
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return NULL;
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}
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static inline int
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rtnl_link_bond_enslave_ifindex (struct nl_sock *h, int master_ifidx, int slave_ifidx)
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{
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/* Bonding only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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static inline int
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rtnl_link_bond_release_ifindex (struct nl_sock *h, int slave_ifidx)
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{
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/* Bonding only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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static inline int
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rtnl_link_vlan_set_id (struct rtnl_link *l, int id)
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{
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/* VLAN only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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int rtnl_link_vlan_get_id (struct rtnl_link *l);
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int rtnl_link_vlan_set_flags (struct rtnl_link *l, unsigned int flags);
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int rtnl_link_vlan_set_ingress_map (struct rtnl_link *l, int from, uint32_t to);
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int rtnl_link_vlan_set_egress_map (struct rtnl_link *l, int from, uint32_t to);
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static inline int
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rtnl_link_set_type (struct rtnl_link *l, const char *type)
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{
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/* Operation only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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static inline int
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rtnl_link_add (struct nl_sock *sk, struct rtnl_link *l, int flags)
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{
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/* Operation only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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static inline int
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rtnl_link_delete(struct nl_sock *sk, const struct rtnl_link *l)
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{
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/* Operation only in libnl3 */
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return -NLE_OPNOTSUPP;
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}
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#endif /* HAVE_LIBNL1 || HAVE_LIBNL2 */
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#endif /* NM_NETLINK_COMPAT_H */
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