1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Swansea University Computer Society NET3
4 *
5 * This file declares the constants of special use with the SLIP/CSLIP/
6 * KISS TNC driver.
7 */
8
9#ifndef __LINUX_SLIP_H
10#define __LINUX_SLIP_H
11
12#define SL_MODE_SLIP 0
13#define SL_MODE_CSLIP 1
14#define SL_MODE_KISS 4
15
16#define SL_OPT_SIXBIT 2
17#define SL_OPT_ADAPTIVE 8
18
19/*
20 * VSV = ioctl for keepalive & outfill in SLIP driver
21 */
22
23#define SIOCSKEEPALIVE (SIOCDEVPRIVATE) /* Set keepalive timeout in sec */
24#define SIOCGKEEPALIVE (SIOCDEVPRIVATE+1) /* Get keepalive timeout */
25#define SIOCSOUTFILL (SIOCDEVPRIVATE+2) /* Set outfill timeout */
26#define SIOCGOUTFILL (SIOCDEVPRIVATE+3) /* Get outfill timeout */
27#define SIOCSLEASE (SIOCDEVPRIVATE+4) /* Set "leased" line type */
28#define SIOCGLEASE (SIOCDEVPRIVATE+5) /* Get line type */
29
30
31#endif
32

source code of linux/include/uapi/linux/if_slip.h