/usr/include/linux/if_slip.h is in linux-libc-dev 4.15.0-20.21.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Swansea University Computer Society NET3
*
* This file declares the constants of special use with the SLIP/CSLIP/
* KISS TNC driver.
*/
#ifndef __LINUX_SLIP_H
#define __LINUX_SLIP_H
#define SL_MODE_SLIP 0
#define SL_MODE_CSLIP 1
#define SL_MODE_KISS 4
#define SL_OPT_SIXBIT 2
#define SL_OPT_ADAPTIVE 8
/*
* VSV = ioctl for keepalive & outfill in SLIP driver
*/
#define SIOCSKEEPALIVE (SIOCDEVPRIVATE) /* Set keepalive timeout in sec */
#define SIOCGKEEPALIVE (SIOCDEVPRIVATE+1) /* Get keepalive timeout */
#define SIOCSOUTFILL (SIOCDEVPRIVATE+2) /* Set outfill timeout */
#define SIOCGOUTFILL (SIOCDEVPRIVATE+3) /* Get outfill timeout */
#define SIOCSLEASE (SIOCDEVPRIVATE+4) /* Set "leased" line type */
#define SIOCGLEASE (SIOCDEVPRIVATE+5) /* Get line type */
#endif
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