^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <termios.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sys/wait.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <net_user.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <os.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "slip.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <um_malloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static int slip_user_init(void *data, void *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct slip_data *pri = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) pri->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int set_up_tty(int fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct termios tios;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) if (tcgetattr(fd, &tios) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) printk(UM_KERN_ERR "could not get initial terminal "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) "attributes\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) tios.c_cflag = CS8 | CREAD | HUPCL | CLOCAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) tios.c_iflag = IGNBRK | IGNPAR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) tios.c_oflag = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) tios.c_lflag = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) for (i = 0; i < NCCS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) tios.c_cc[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) tios.c_cc[VMIN] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) tios.c_cc[VTIME] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) cfsetospeed(&tios, B38400);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) cfsetispeed(&tios, B38400);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) printk(UM_KERN_ERR "failed to set terminal attributes\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct slip_pre_exec_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int stdin_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int stdout_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int close_me;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static void slip_pre_exec(void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct slip_pre_exec_data *data = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) if (data->stdin_fd >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) dup2(data->stdin_fd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) dup2(data->stdout_fd, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (data->close_me >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) close(data->close_me);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static int slip_tramp(char **argv, int fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct slip_pre_exec_data pe_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) char *output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int pid, fds[2], err, output_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) err = os_pipe(fds, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) printk(UM_KERN_ERR "slip_tramp : pipe failed, err = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) pe_data.stdin_fd = fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) pe_data.stdout_fd = fds[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) pe_data.close_me = fds[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) err = run_helper(slip_pre_exec, &pe_data, argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) goto out_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) pid = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) output_len = UM_KERN_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) output = uml_kmalloc(output_len, UM_GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (output == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) "buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) os_kill_process(pid, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) goto out_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) close(fds[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) read_output(fds[0], output, output_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) printk("%s", output);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) err = helper_wait(pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) close(fds[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) kfree(output);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) out_close:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) close(fds[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) close(fds[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static int slip_open(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct slip_data *pri = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) char version_buf[sizeof("nnnnn\0")];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) char gate_buf[sizeof("nnn.nnn.nnn.nnn\0")];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) char *argv[] = { "uml_net", version_buf, "slip", "up", gate_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) NULL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int sfd, mfd, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) err = get_pty();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) printk(UM_KERN_ERR "slip-open : Failed to open pty, err = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) mfd = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) err = open(ptsname(mfd), O_RDWR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) printk(UM_KERN_ERR "Couldn't open tty for slip line, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) "err = %d\n", -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) goto out_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) sfd = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) err = set_up_tty(sfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) goto out_close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) pri->slave = sfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) pri->slip.pos = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) pri->slip.esc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (pri->gate_addr != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) sprintf(version_buf, "%d", UML_NET_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) strcpy(gate_buf, pri->gate_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) err = slip_tramp(argv, sfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) printk(UM_KERN_ERR "slip_tramp failed - err = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) goto out_close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) err = os_get_ifname(pri->slave, pri->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) printk(UM_KERN_ERR "get_ifname failed, err = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) goto out_close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) iter_addresses(pri->dev, open_addr, pri->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) err = os_set_slip(sfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) printk(UM_KERN_ERR "Failed to set slip discipline "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) "encapsulation - err = %d\n", -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) goto out_close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return mfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) out_close2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) close(sfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) out_close:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) close(mfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static void slip_close(int fd, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct slip_data *pri = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) char version_buf[sizeof("nnnnn\0")];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) char *argv[] = { "uml_net", version_buf, "slip", "down", pri->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) NULL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (pri->gate_addr != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) iter_addresses(pri->dev, close_addr, pri->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) sprintf(version_buf, "%d", UML_NET_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) err = slip_tramp(argv, pri->slave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (err != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) printk(UM_KERN_ERR "slip_tramp failed - errno = %d\n", -err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) close(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) close(pri->slave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) pri->slave = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) int slip_user_read(int fd, void *buf, int len, struct slip_data *pri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return slip_proto_read(fd, buf, len, &pri->slip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) int slip_user_write(int fd, void *buf, int len, struct slip_data *pri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) return slip_proto_write(fd, buf, len, &pri->slip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static void slip_add_addr(unsigned char *addr, unsigned char *netmask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct slip_data *pri = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (pri->slave < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) open_addr(addr, netmask, pri->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static void slip_del_addr(unsigned char *addr, unsigned char *netmask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct slip_data *pri = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (pri->slave < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) close_addr(addr, netmask, pri->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) const struct net_user_info slip_user_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .init = slip_user_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .open = slip_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .close = slip_close,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .remove = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .add_address = slip_add_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .delete_address = slip_del_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .mtu = BUF_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) .max_packet = BUF_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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