+// SPDX-License-Identifier: GPL-2.0-or-later
/* Router advertisement
* Copyright (C) 1999 Kunihiro Ishiguro
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra 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.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ZEBRA_SOCKOPT_H
extern int setsockopt_ipv6_multicast_loop(int, int);
extern int setsockopt_ipv6_tclass(int, int);
-#define SOPT_SIZE_CMSG_PKTINFO_IPV6() (sizeof (struct in6_pktinfo));
+#define SOPT_SIZE_CMSG_PKTINFO_IPV6() (sizeof(struct in6_pktinfo));
/*
* Size defines for control messages used to get ifindex. We define
*/
#if defined(IP_PKTINFO)
/* Linux in_pktinfo. */
-#define SOPT_SIZE_CMSG_PKTINFO_IPV4() (CMSG_SPACE(sizeof (struct in_pktinfo)))
+#define SOPT_SIZE_CMSG_PKTINFO_IPV4() (CMSG_SPACE(sizeof(struct in_pktinfo)))
/* XXX This should perhaps be defined even if IP_PKTINFO is not. */
#define SOPT_SIZE_CMSG_PKTINFO(af) \
((af == AF_INET) ? SOPT_SIZE_CMSG_PKTINFO_IPV4() \
#if defined(IP_RECVIF)
/* BSD/Solaris */
-#if defined(SUNOS_5)
-#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof (uint_t))
-#else
-#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof (struct sockaddr_dl))
-#endif /* SUNOS_5 */
+#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof(struct sockaddr_dl))
#endif /* IP_RECVIF */
/* SOPT_SIZE_CMSG_IFINDEX_IPV4 - portable type */
#elif defined(SOPT_SIZE_CMSG_RECVIF_IPV4)
#define SOPT_SIZE_CMSG_IFINDEX_IPV4() SOPT_SIZE_CMSG_RECVIF_IPV4()
#else /* Nothing available */
-#define SOPT_SIZE_CMSG_IFINDEX_IPV4() (sizeof (char *))
+#define SOPT_SIZE_CMSG_IFINDEX_IPV4() (sizeof(char *))
#endif /* SOPT_SIZE_CMSG_IFINDEX_IPV4 */
#define SOPT_SIZE_CMSG_IFINDEX(af) \
extern int sockopt_tcp_signature_ext(int sock, union sockunion *su,
uint16_t prefixlen, const char *password);
+/*
+ * set TCP max segment size. This option allows user to configure
+ * max segment size for TCP session
+ *
+ * sock
+ * Socket to enable option on.
+ *
+ * tcp_maxseg
+ * value used for TCP segment size negotiation during SYN
+ */
+extern int sockopt_tcp_mss_set(int sock, int tcp_maxseg);
+
+/*
+ * get TCP max segment size. This option allows user to get
+ * the segment size for TCP session
+ *
+ * sock
+ * Socket to get max segement size.
+ */
+extern int sockopt_tcp_mss_get(int sock);
+
+/*
+ * Configure TCP keepalive for a given socket
+ *
+ * sock
+ * Socket to enable keepalive option on.
+ *
+ * keepalive_idle
+ * number of seconds a connection needs to be idle
+ * before sending out keep-alive proves
+ *
+ * keepalive_intvl
+ * number of seconds between TCP keep-alive probes
+ *
+ * keepalive_probes
+ * max number of probers to send before giving up
+ * and killing tcp connection
+ */
+extern int setsockopt_tcp_keepalive(int sock, uint16_t keepalive_idle,
+ uint16_t keepalive_intvl,
+ uint16_t keepalive_probes);
+
#ifdef __cplusplus
}
#endif