^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) * DECnet An implementation of the DECnet protocol suite for the LINUX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * operating system. DECnet is implemented using the BSD Socket
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * interface as the means of communication with the user level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * DECnet sysctl support functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Author: Steve Whitehouse <SteveW@ACM.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Changes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Steve Whitehouse - C99 changes and default device handling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Steve Whitehouse - Memory buffer settings, like the tcp ones
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/sysctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <net/neighbour.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <net/dst.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <net/flow.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <net/dn.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <net/dn_dev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <net/dn_route.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int decnet_debug_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int decnet_time_wait = 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int decnet_dn_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int decnet_di_count = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) int decnet_dr_count = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) int decnet_log_martians = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* Reasonable defaults, I hope, based on tcp's defaults */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) long sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int sysctl_decnet_wmem[3] = { 4 * 1024, 16 * 1024, 128 * 1024 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int sysctl_decnet_rmem[3] = { 4 * 1024, 87380, 87380 * 2 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #ifdef CONFIG_SYSCTL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) extern int decnet_dst_gc_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static int min_decnet_time_wait[] = { 5 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static int max_decnet_time_wait[] = { 600 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static int min_state_count[] = { 1 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static int max_state_count[] = { NSP_MAXRXTSHIFT };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static int min_decnet_dst_gc_interval[] = { 1 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static int max_decnet_dst_gc_interval[] = { 60 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static int min_decnet_no_fc_max_cwnd[] = { NSP_MIN_WINDOW };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static int max_decnet_no_fc_max_cwnd[] = { NSP_MAX_WINDOW };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static char node_name[7] = "???";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static struct ctl_table_header *dn_table_header = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * ctype.h :-)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define ISNUM(x) (((x) >= '0') && ((x) <= '9'))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define ISLOWER(x) (((x) >= 'a') && ((x) <= 'z'))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define ISUPPER(x) (((x) >= 'A') && ((x) <= 'Z'))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define ISALPHA(x) (ISLOWER(x) || ISUPPER(x))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define INVALID_END_CHAR(x) (ISNUM(x) || ISALPHA(x))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static void strip_it(char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) for(;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) switch (*str) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) case ' ':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) case '\n':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) case '\r':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) case ':':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) *str = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) str++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^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) * Simple routine to parse an ascii DECnet address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * into a network order address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static int parse_addr(__le16 *addr, char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) __u16 area, node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) while(*str && !ISNUM(*str)) str++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (*str == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) area = (*str++ - '0');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (ISNUM(*str)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) area *= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) area += (*str++ - '0');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (*str++ != '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (!ISNUM(*str))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) node = *str++ - '0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (ISNUM(*str)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) node *= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) node += (*str++ - '0');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (ISNUM(*str)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) node *= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) node += (*str++ - '0');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (ISNUM(*str)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) node *= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) node += (*str++ - '0');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if ((node > 1023) || (area > 63))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (INVALID_END_CHAR(*str))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) *addr = cpu_to_le16((area << 10) | node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static int dn_node_address_handler(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) char addr[DN_ASCBUF_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) __le16 dnaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (!*lenp || (*ppos && !write)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) *lenp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (write) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) memcpy(addr, buffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) addr[len] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) strip_it(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (parse_addr(&dnaddr, addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) dn_dev_devices_off();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) decnet_address = dnaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) dn_dev_devices_on();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) *ppos += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) dn_addr2asc(le16_to_cpu(decnet_address), addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) len = strlen(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) addr[len++] = '\n';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (len > *lenp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) len = *lenp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) memcpy(buffer, addr, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) *lenp = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) *ppos += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static int dn_def_dev_handler(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct net_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) char devname[17];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (!*lenp || (*ppos && !write)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) *lenp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (write) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (*lenp > 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return -E2BIG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) memcpy(devname, buffer, *lenp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) devname[*lenp] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) strip_it(devname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) dev = dev_get_by_name(&init_net, devname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (dev == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) if (dev->dn_ptr == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) dev_put(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (dn_dev_set_default(dev, 1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) dev_put(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) *ppos += *lenp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) dev = dn_dev_get_default();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (dev == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) *lenp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) strcpy(devname, dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) dev_put(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) len = strlen(devname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) devname[len++] = '\n';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if (len > *lenp) len = *lenp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) memcpy(buffer, devname, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) *lenp = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) *ppos += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static struct ctl_table dn_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) .procname = "node_address",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .maxlen = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .proc_handler = dn_node_address_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .procname = "node_name",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .data = node_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .maxlen = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) .proc_handler = proc_dostring,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .procname = "default_device",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .maxlen = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .proc_handler = dn_def_dev_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) .procname = "time_wait",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) .data = &decnet_time_wait,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) .extra1 = &min_decnet_time_wait,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) .extra2 = &max_decnet_time_wait
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) .procname = "dn_count",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) .data = &decnet_dn_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) .extra1 = &min_state_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) .extra2 = &max_state_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) .procname = "di_count",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .data = &decnet_di_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) .extra1 = &min_state_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) .extra2 = &max_state_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) .procname = "dr_count",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) .data = &decnet_dr_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) .extra1 = &min_state_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) .extra2 = &max_state_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) .procname = "dst_gc_interval",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) .data = &decnet_dst_gc_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) .extra1 = &min_decnet_dst_gc_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) .extra2 = &max_decnet_dst_gc_interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) .procname = "no_fc_max_cwnd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) .data = &decnet_no_fc_max_cwnd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) .extra1 = &min_decnet_no_fc_max_cwnd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) .extra2 = &max_decnet_no_fc_max_cwnd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) .procname = "decnet_mem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) .data = &sysctl_decnet_mem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) .maxlen = sizeof(sysctl_decnet_mem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) .proc_handler = proc_doulongvec_minmax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) .procname = "decnet_rmem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) .data = &sysctl_decnet_rmem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) .maxlen = sizeof(sysctl_decnet_rmem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) .procname = "decnet_wmem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) .data = &sysctl_decnet_wmem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) .maxlen = sizeof(sysctl_decnet_wmem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) .procname = "debug",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) .data = &decnet_debug_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) void dn_register_sysctl(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) dn_table_header = register_net_sysctl(&init_net, "net/decnet", dn_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) void dn_unregister_sysctl(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) unregister_net_sysctl_table(dn_table_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) #else /* CONFIG_SYSCTL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) void dn_unregister_sysctl(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) void dn_register_sysctl(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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