+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright (C) 2014 Tom Gundersen
Copyright (C) 2014 Susant Sahani
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <linux/filter.h>
.filter = (struct sock_filter*) filter,
};
+ struct packet_mreq mreq = {
+ .mr_ifindex = ifindex,
+ .mr_type = PACKET_MR_MULTICAST,
+ .mr_alen = ETH_ALEN,
+ .mr_address = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x00 }
+ };
+
union sockaddr_union saddrll = {
.ll.sll_family = AF_PACKET,
.ll.sll_ifindex = ifindex,
if (r < 0)
return -errno;
- r = bind(fd, &saddrll.sa, sizeof(saddrll.ll));
+ r = setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
if (r < 0)
return -errno;
- r = fd;
- fd = -1;
+ mreq.mr_address[ETH_ALEN - 1] = 0x03;
+ r = setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
+ if (r < 0)
+ return -errno;
+
+ mreq.mr_address[ETH_ALEN - 1] = 0x0E;
+ r = setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
+ if (r < 0)
+ return -errno;
+
+ r = bind(fd, &saddrll.sa, sizeof(saddrll.ll));
+ if (r < 0)
+ return -errno;
- return r;
+ return TAKE_FD(fd);
}