^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) * sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Begun April 1, 1996, Mike Shaver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Added /proc/sys/net/ipv4 directory entry (empty =) ). [MS]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/sysctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/igmp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/inetdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/seqlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/nsproxy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/swap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <net/snmp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <net/icmp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <net/ip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <net/route.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <net/tcp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <net/udp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <net/cipso_ipv4.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <net/inet_frag.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <net/ping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <net/protocol.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <net/netevent.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static int two = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static int four = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static int thousand = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int gso_max_segs = GSO_MAX_SEGS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static int tcp_retr1_max = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static int ip_local_port_range_min[] = { 1, 1 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static int ip_local_port_range_max[] = { 65535, 65535 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int tcp_adv_win_scale_min = -31;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int tcp_adv_win_scale_max = 31;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int tcp_min_snd_mss_min = TCP_MIN_SND_MSS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int tcp_min_snd_mss_max = 65535;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static int ip_privileged_port_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static int ip_privileged_port_max = 65535;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static int ip_ttl_min = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static int ip_ttl_max = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static int tcp_syn_retries_min = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static int tcp_syn_retries_max = MAX_TCP_SYNCNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static int ip_ping_group_range_min[] = { 0, 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static int comp_sack_nr_max = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static u32 u32_max_div_HZ = UINT_MAX / HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static int one_day_secs = 24 * 3600;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static int sysctl_tcp_low_latency __read_mostly;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* Update system visible IP port range */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static void set_local_port_range(struct net *net, int range[2])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) bool same_parity = !((range[0] ^ range[1]) & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) write_seqlock_bh(&net->ipv4.ip_local_ports.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (same_parity && !net->ipv4.ip_local_ports.warned) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) net->ipv4.ip_local_ports.warned = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) pr_err_ratelimited("ip_local_port_range: prefer different parity for start/end values.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) net->ipv4.ip_local_ports.range[0] = range[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) net->ipv4.ip_local_ports.range[1] = range[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) write_sequnlock_bh(&net->ipv4.ip_local_ports.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* Validate changes from /proc interface. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static int ipv4_local_port_range(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct net *net =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) container_of(table->data, struct net, ipv4.ip_local_ports.range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int range[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct ctl_table tmp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .data = &range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .maxlen = sizeof(range),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .mode = table->mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .extra1 = &ip_local_port_range_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .extra2 = &ip_local_port_range_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) inet_get_local_port_range(net, &range[0], &range[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (write && ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /* Ensure that the upper limit is not smaller than the lower,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) * and that the lower does not encroach upon the privileged
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * port limit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if ((range[1] < range[0]) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) (range[0] < net->ipv4.sysctl_ip_prot_sock))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) set_local_port_range(net, range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* Validate changes from /proc interface. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int ipv4_privileged_ports(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct net *net = container_of(table->data, struct net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ipv4.sysctl_ip_prot_sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int pports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int range[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct ctl_table tmp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .data = &pports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .maxlen = sizeof(pports),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .mode = table->mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .extra1 = &ip_privileged_port_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .extra2 = &ip_privileged_port_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) pports = net->ipv4.sysctl_ip_prot_sock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (write && ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) inet_get_local_port_range(net, &range[0], &range[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /* Ensure that the local port range doesn't overlap with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * privileged port range.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (range[0] < pports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) net->ipv4.sysctl_ip_prot_sock = pports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static void inet_get_ping_group_range_table(struct ctl_table *table, kgid_t *low, kgid_t *high)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) kgid_t *data = table->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) struct net *net =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) container_of(table->data, struct net, ipv4.ping_group_range.range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) unsigned int seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) seq = read_seqbegin(&net->ipv4.ping_group_range.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) *low = data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) *high = data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) } while (read_seqretry(&net->ipv4.ping_group_range.lock, seq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) /* Update system visible IP port range */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static void set_ping_group_range(struct ctl_table *table, kgid_t low, kgid_t high)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) kgid_t *data = table->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct net *net =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) container_of(table->data, struct net, ipv4.ping_group_range.range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) write_seqlock(&net->ipv4.ping_group_range.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) data[0] = low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) data[1] = high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) write_sequnlock(&net->ipv4.ping_group_range.lock);
^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) /* Validate changes from /proc interface. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static int ipv4_ping_group_range(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct user_namespace *user_ns = current_user_ns();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) gid_t urange[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) kgid_t low, high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct ctl_table tmp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .data = &urange,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .maxlen = sizeof(urange),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) .mode = table->mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .extra1 = &ip_ping_group_range_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) .extra2 = &ip_ping_group_range_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) inet_get_ping_group_range_table(table, &low, &high);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) urange[0] = from_kgid_munged(user_ns, low);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) urange[1] = from_kgid_munged(user_ns, high);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (write && ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) low = make_kgid(user_ns, urange[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) high = make_kgid(user_ns, urange[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (!gid_valid(low) || !gid_valid(high))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (urange[1] < urange[0] || gid_lt(high, low)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) low = make_kgid(&init_user_ns, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) high = make_kgid(&init_user_ns, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) set_ping_group_range(table, low, high);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static int ipv4_fwd_update_priority(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct net *net;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) net = container_of(table->data, struct net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) ipv4.sysctl_ip_fwd_update_priority);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (write && ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) call_netevent_notifiers(NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static int proc_tcp_congestion_control(struct ctl_table *ctl, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct net *net = container_of(ctl->data, struct net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) ipv4.tcp_congestion_control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) char val[TCP_CA_NAME_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct ctl_table tbl = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .data = val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .maxlen = TCP_CA_NAME_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) tcp_get_default_congestion_control(net, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (write && ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) ret = tcp_set_default_congestion_control(net, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static int proc_tcp_available_congestion_control(struct ctl_table *ctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int write, void *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) tbl.data = kmalloc(tbl.maxlen, GFP_USER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (!tbl.data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) tcp_get_available_congestion_control(tbl.data, TCP_CA_BUF_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) kfree(tbl.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static int proc_allowed_congestion_control(struct ctl_table *ctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) int write, void *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) tbl.data = kmalloc(tbl.maxlen, GFP_USER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (!tbl.data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) tcp_get_allowed_congestion_control(tbl.data, tbl.maxlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (write && ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) ret = tcp_set_allowed_congestion_control(tbl.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) kfree(tbl.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static int sscanf_key(char *buf, __le32 *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) u32 user_key[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) int i, ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (sscanf(buf, "%x-%x-%x-%x", user_key, user_key + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) user_key + 2, user_key + 3) != 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) for (i = 0; i < ARRAY_SIZE(user_key); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) key[i] = cpu_to_le32(user_key[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) pr_debug("proc TFO key set 0x%x-%x-%x-%x <- 0x%s: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) user_key[0], user_key[1], user_key[2], user_key[3], buf, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) static int proc_tcp_fastopen_key(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) struct net *net = container_of(table->data, struct net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) ipv4.sysctl_tcp_fastopen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) /* maxlen to print the list of keys in hex (*2), with dashes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) * separating doublewords and a comma in between keys.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) struct ctl_table tbl = { .maxlen = ((TCP_FASTOPEN_KEY_LENGTH *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 2 * TCP_FASTOPEN_KEY_MAX) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) (TCP_FASTOPEN_KEY_MAX * 5)) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) u32 user_key[TCP_FASTOPEN_KEY_BUF_LENGTH / sizeof(u32)];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) __le32 key[TCP_FASTOPEN_KEY_BUF_LENGTH / sizeof(__le32)];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) char *backup_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) int ret, i = 0, off = 0, n_keys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) tbl.data = kmalloc(tbl.maxlen, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) if (!tbl.data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) n_keys = tcp_fastopen_get_cipher(net, NULL, (u64 *)key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) if (!n_keys) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) memset(&key[0], 0, TCP_FASTOPEN_KEY_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) n_keys = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) for (i = 0; i < n_keys * 4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) user_key[i] = le32_to_cpu(key[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) for (i = 0; i < n_keys; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) off += snprintf(tbl.data + off, tbl.maxlen - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) "%08x-%08x-%08x-%08x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) user_key[i * 4],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) user_key[i * 4 + 1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) user_key[i * 4 + 2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) user_key[i * 4 + 3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) if (WARN_ON_ONCE(off >= tbl.maxlen - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (i + 1 < n_keys)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) off += snprintf(tbl.data + off, tbl.maxlen - off, ",");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (write && ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) backup_data = strchr(tbl.data, ',');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (backup_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) *backup_data = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) backup_data++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) if (sscanf_key(tbl.data, key)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) goto bad_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (backup_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (sscanf_key(backup_data, key + 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) goto bad_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) tcp_fastopen_reset_cipher(net, NULL, key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) backup_data ? key + 4 : NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) bad_key:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) kfree(tbl.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) static void proc_configure_early_demux(int enabled, int protocol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) struct net_protocol *ipprot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) #if IS_ENABLED(CONFIG_IPV6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) struct inet6_protocol *ip6prot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) ipprot = rcu_dereference(inet_protos[protocol]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) if (ipprot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) ipprot->early_demux = enabled ? ipprot->early_demux_handler :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) #if IS_ENABLED(CONFIG_IPV6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) ip6prot = rcu_dereference(inet6_protos[protocol]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) if (ip6prot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) ip6prot->early_demux = enabled ? ip6prot->early_demux_handler :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static int proc_tcp_early_demux(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) ret = proc_dointvec(table, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (write && !ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) int enabled = init_net.ipv4.sysctl_tcp_early_demux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) proc_configure_early_demux(enabled, IPPROTO_TCP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) static int proc_udp_early_demux(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) void *buffer, size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) ret = proc_dointvec(table, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) if (write && !ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) int enabled = init_net.ipv4.sysctl_udp_early_demux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) proc_configure_early_demux(enabled, IPPROTO_UDP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static int proc_tfo_blackhole_detect_timeout(struct ctl_table *table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) int write, void *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) size_t *lenp, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) struct net *net = container_of(table->data, struct net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) ipv4.sysctl_tcp_fastopen_blackhole_timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if (write && ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) atomic_set(&net->ipv4.tfo_active_disable_times, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) static int proc_tcp_available_ulp(struct ctl_table *ctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) int write, void *buffer, size_t *lenp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct ctl_table tbl = { .maxlen = TCP_ULP_BUF_MAX, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) tbl.data = kmalloc(tbl.maxlen, GFP_USER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) if (!tbl.data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) tcp_get_available_ulp(tbl.data, TCP_ULP_BUF_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) kfree(tbl.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) #ifdef CONFIG_IP_ROUTE_MULTIPATH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) static int proc_fib_multipath_hash_policy(struct ctl_table *table, int write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) void *buffer, size_t *lenp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) struct net *net = container_of(table->data, struct net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) ipv4.sysctl_fib_multipath_hash_policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (write && ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) call_netevent_notifiers(NETEVENT_IPV4_MPATH_HASH_UPDATE, net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) static struct ctl_table ipv4_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) .procname = "tcp_max_orphans",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) .data = &sysctl_tcp_max_orphans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) .procname = "inet_peer_threshold",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) .data = &inet_peer_threshold,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) .procname = "inet_peer_minttl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) .data = &inet_peer_minttl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) .proc_handler = proc_dointvec_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) .procname = "inet_peer_maxttl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) .data = &inet_peer_maxttl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) .proc_handler = proc_dointvec_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) .procname = "tcp_mem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) .maxlen = sizeof(sysctl_tcp_mem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) .data = &sysctl_tcp_mem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) .proc_handler = proc_doulongvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) .procname = "tcp_low_latency",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) .data = &sysctl_tcp_low_latency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) #ifdef CONFIG_NETLABEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) .procname = "cipso_cache_enable",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) .data = &cipso_v4_cache_enabled,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) .procname = "cipso_cache_bucket_size",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) .data = &cipso_v4_cache_bucketsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) .procname = "cipso_rbm_optfmt",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) .data = &cipso_v4_rbm_optfmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) .procname = "cipso_rbm_strictvalid",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) .data = &cipso_v4_rbm_strictvalid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) #endif /* CONFIG_NETLABEL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) .procname = "tcp_available_ulp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) .maxlen = TCP_ULP_BUF_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) .proc_handler = proc_tcp_available_ulp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) .procname = "icmp_msgs_per_sec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) .data = &sysctl_icmp_msgs_per_sec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) .procname = "icmp_msgs_burst",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) .data = &sysctl_icmp_msgs_burst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) .procname = "udp_mem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) .data = &sysctl_udp_mem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) .maxlen = sizeof(sysctl_udp_mem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) .proc_handler = proc_doulongvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) .procname = "fib_sync_mem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) .data = &sysctl_fib_sync_mem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) .maxlen = sizeof(sysctl_fib_sync_mem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) .proc_handler = proc_douintvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) .extra1 = &sysctl_fib_sync_mem_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) .extra2 = &sysctl_fib_sync_mem_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) .procname = "tcp_rx_skb_cache",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) .data = &tcp_rx_skb_cache_key.key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) .proc_handler = proc_do_static_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) .procname = "tcp_tx_skb_cache",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) .data = &tcp_tx_skb_cache_key.key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) .proc_handler = proc_do_static_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) static struct ctl_table ipv4_net_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) .procname = "icmp_echo_ignore_all",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) .data = &init_net.ipv4.sysctl_icmp_echo_ignore_all,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) .procname = "icmp_echo_ignore_broadcasts",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) .data = &init_net.ipv4.sysctl_icmp_echo_ignore_broadcasts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) .procname = "icmp_ignore_bogus_error_responses",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) .data = &init_net.ipv4.sysctl_icmp_ignore_bogus_error_responses,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) .procname = "icmp_errors_use_inbound_ifaddr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) .data = &init_net.ipv4.sysctl_icmp_errors_use_inbound_ifaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) .procname = "icmp_ratelimit",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) .data = &init_net.ipv4.sysctl_icmp_ratelimit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) .proc_handler = proc_dointvec_ms_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) .procname = "icmp_ratemask",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) .data = &init_net.ipv4.sysctl_icmp_ratemask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) .procname = "ping_group_range",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) .data = &init_net.ipv4.ping_group_range.range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) .maxlen = sizeof(gid_t)*2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) .proc_handler = ipv4_ping_group_range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) #ifdef CONFIG_NET_L3_MASTER_DEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) .procname = "raw_l3mdev_accept",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) .data = &init_net.ipv4.sysctl_raw_l3mdev_accept,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) .procname = "tcp_ecn",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) .data = &init_net.ipv4.sysctl_tcp_ecn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) .procname = "tcp_ecn_fallback",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) .data = &init_net.ipv4.sysctl_tcp_ecn_fallback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) .procname = "ip_dynaddr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) .data = &init_net.ipv4.sysctl_ip_dynaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) .procname = "ip_early_demux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) .data = &init_net.ipv4.sysctl_ip_early_demux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) .procname = "udp_early_demux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) .data = &init_net.ipv4.sysctl_udp_early_demux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) .proc_handler = proc_udp_early_demux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) .procname = "tcp_early_demux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) .data = &init_net.ipv4.sysctl_tcp_early_demux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) .proc_handler = proc_tcp_early_demux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) .procname = "nexthop_compat_mode",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) .data = &init_net.ipv4.sysctl_nexthop_compat_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) .procname = "ip_default_ttl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) .data = &init_net.ipv4.sysctl_ip_default_ttl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) .extra1 = &ip_ttl_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) .extra2 = &ip_ttl_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) .procname = "ip_local_port_range",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) .maxlen = sizeof(init_net.ipv4.ip_local_ports.range),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) .data = &init_net.ipv4.ip_local_ports.range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) .proc_handler = ipv4_local_port_range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) .procname = "ip_local_reserved_ports",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) .data = &init_net.ipv4.sysctl_local_reserved_ports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) .maxlen = 65536,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) .proc_handler = proc_do_large_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) .procname = "ip_local_unbindable_ports",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) .data = &init_net.ipv4.sysctl_local_unbindable_ports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) .maxlen = 65536,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) .proc_handler = proc_do_large_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) .procname = "ip_no_pmtu_disc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) .data = &init_net.ipv4.sysctl_ip_no_pmtu_disc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) .procname = "ip_forward_use_pmtu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) .data = &init_net.ipv4.sysctl_ip_fwd_use_pmtu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) .procname = "ip_forward_update_priority",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) .data = &init_net.ipv4.sysctl_ip_fwd_update_priority,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) .proc_handler = ipv4_fwd_update_priority,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) .procname = "ip_nonlocal_bind",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) .data = &init_net.ipv4.sysctl_ip_nonlocal_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) .procname = "ip_autobind_reuse",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) .data = &init_net.ipv4.sysctl_ip_autobind_reuse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) .procname = "fwmark_reflect",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) .data = &init_net.ipv4.sysctl_fwmark_reflect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) .procname = "tcp_fwmark_accept",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) .data = &init_net.ipv4.sysctl_tcp_fwmark_accept,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) #ifdef CONFIG_NET_L3_MASTER_DEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) .procname = "tcp_l3mdev_accept",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) .data = &init_net.ipv4.sysctl_tcp_l3mdev_accept,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) .procname = "tcp_mtu_probing",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) .data = &init_net.ipv4.sysctl_tcp_mtu_probing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) .procname = "tcp_base_mss",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) .data = &init_net.ipv4.sysctl_tcp_base_mss,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) .procname = "tcp_min_snd_mss",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) .data = &init_net.ipv4.sysctl_tcp_min_snd_mss,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) .extra1 = &tcp_min_snd_mss_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) .extra2 = &tcp_min_snd_mss_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) .procname = "tcp_mtu_probe_floor",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) .data = &init_net.ipv4.sysctl_tcp_mtu_probe_floor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) .extra1 = &tcp_min_snd_mss_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) .extra2 = &tcp_min_snd_mss_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) .procname = "tcp_probe_threshold",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) .data = &init_net.ipv4.sysctl_tcp_probe_threshold,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) .procname = "tcp_probe_interval",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) .data = &init_net.ipv4.sysctl_tcp_probe_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) .maxlen = sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) .proc_handler = proc_douintvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) .extra2 = &u32_max_div_HZ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) .procname = "igmp_link_local_mcast_reports",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) .data = &init_net.ipv4.sysctl_igmp_llm_reports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) .procname = "igmp_max_memberships",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) .data = &init_net.ipv4.sysctl_igmp_max_memberships,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) .procname = "igmp_max_msf",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) .data = &init_net.ipv4.sysctl_igmp_max_msf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) #ifdef CONFIG_IP_MULTICAST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) .procname = "igmp_qrv",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) .data = &init_net.ipv4.sysctl_igmp_qrv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) .extra1 = SYSCTL_ONE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) .procname = "tcp_congestion_control",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) .data = &init_net.ipv4.tcp_congestion_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) .maxlen = TCP_CA_NAME_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) .proc_handler = proc_tcp_congestion_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) .procname = "tcp_available_congestion_control",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) .maxlen = TCP_CA_BUF_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) .proc_handler = proc_tcp_available_congestion_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) .procname = "tcp_allowed_congestion_control",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) .maxlen = TCP_CA_BUF_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) .proc_handler = proc_allowed_congestion_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) .procname = "tcp_keepalive_time",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) .data = &init_net.ipv4.sysctl_tcp_keepalive_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) .proc_handler = proc_dointvec_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) .procname = "tcp_keepalive_probes",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) .data = &init_net.ipv4.sysctl_tcp_keepalive_probes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) .procname = "tcp_keepalive_intvl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) .data = &init_net.ipv4.sysctl_tcp_keepalive_intvl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) .proc_handler = proc_dointvec_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) .procname = "tcp_syn_retries",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) .data = &init_net.ipv4.sysctl_tcp_syn_retries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) .extra1 = &tcp_syn_retries_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) .extra2 = &tcp_syn_retries_max
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) .procname = "tcp_synack_retries",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) .data = &init_net.ipv4.sysctl_tcp_synack_retries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) #ifdef CONFIG_SYN_COOKIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) .procname = "tcp_syncookies",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) .data = &init_net.ipv4.sysctl_tcp_syncookies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) .procname = "tcp_reordering",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) .data = &init_net.ipv4.sysctl_tcp_reordering,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) .procname = "tcp_retries1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) .data = &init_net.ipv4.sysctl_tcp_retries1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) .extra2 = &tcp_retr1_max
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) .procname = "tcp_retries2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) .data = &init_net.ipv4.sysctl_tcp_retries2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) .procname = "tcp_orphan_retries",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) .data = &init_net.ipv4.sysctl_tcp_orphan_retries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) .procname = "tcp_fin_timeout",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) .data = &init_net.ipv4.sysctl_tcp_fin_timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) .proc_handler = proc_dointvec_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) .procname = "tcp_notsent_lowat",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) .data = &init_net.ipv4.sysctl_tcp_notsent_lowat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) .maxlen = sizeof(unsigned int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) .proc_handler = proc_douintvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) .procname = "tcp_tw_reuse",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) .data = &init_net.ipv4.sysctl_tcp_tw_reuse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) .extra2 = &two,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) .procname = "tcp_max_tw_buckets",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) .data = &init_net.ipv4.tcp_death_row.sysctl_max_tw_buckets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) .procname = "tcp_max_syn_backlog",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) .data = &init_net.ipv4.sysctl_max_syn_backlog,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) .procname = "tcp_fastopen",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) .data = &init_net.ipv4.sysctl_tcp_fastopen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) .procname = "tcp_fastopen_key",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) .mode = 0600,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) .data = &init_net.ipv4.sysctl_tcp_fastopen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) /* maxlen to print the list of keys in hex (*2), with dashes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) * separating doublewords and a comma in between keys.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) .maxlen = ((TCP_FASTOPEN_KEY_LENGTH *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 2 * TCP_FASTOPEN_KEY_MAX) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) (TCP_FASTOPEN_KEY_MAX * 5)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) .proc_handler = proc_tcp_fastopen_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) .procname = "tcp_fastopen_blackhole_timeout_sec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) .data = &init_net.ipv4.sysctl_tcp_fastopen_blackhole_timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) .proc_handler = proc_tfo_blackhole_detect_timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) #ifdef CONFIG_IP_ROUTE_MULTIPATH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) .procname = "fib_multipath_use_neigh",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) .data = &init_net.ipv4.sysctl_fib_multipath_use_neigh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) .procname = "fib_multipath_hash_policy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) .data = &init_net.ipv4.sysctl_fib_multipath_hash_policy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) .proc_handler = proc_fib_multipath_hash_policy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) .extra2 = &two,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) .procname = "ip_unprivileged_port_start",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) .data = &init_net.ipv4.sysctl_ip_prot_sock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) .proc_handler = ipv4_privileged_ports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) #ifdef CONFIG_NET_L3_MASTER_DEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) .procname = "udp_l3mdev_accept",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) .data = &init_net.ipv4.sysctl_udp_l3mdev_accept,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) .procname = "tcp_sack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) .data = &init_net.ipv4.sysctl_tcp_sack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) .procname = "tcp_window_scaling",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) .data = &init_net.ipv4.sysctl_tcp_window_scaling,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) .procname = "tcp_timestamps",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) .data = &init_net.ipv4.sysctl_tcp_timestamps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) .procname = "tcp_early_retrans",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) .data = &init_net.ipv4.sysctl_tcp_early_retrans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) .extra2 = &four,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) .procname = "tcp_recovery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) .data = &init_net.ipv4.sysctl_tcp_recovery,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) .procname = "tcp_thin_linear_timeouts",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) .data = &init_net.ipv4.sysctl_tcp_thin_linear_timeouts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) .procname = "tcp_slow_start_after_idle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) .data = &init_net.ipv4.sysctl_tcp_slow_start_after_idle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) .procname = "tcp_retrans_collapse",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) .data = &init_net.ipv4.sysctl_tcp_retrans_collapse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) .procname = "tcp_stdurg",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) .data = &init_net.ipv4.sysctl_tcp_stdurg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) .procname = "tcp_rfc1337",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) .data = &init_net.ipv4.sysctl_tcp_rfc1337,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) .procname = "tcp_abort_on_overflow",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) .data = &init_net.ipv4.sysctl_tcp_abort_on_overflow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) .procname = "tcp_fack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) .data = &init_net.ipv4.sysctl_tcp_fack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) .procname = "tcp_max_reordering",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) .data = &init_net.ipv4.sysctl_tcp_max_reordering,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) .procname = "tcp_dsack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) .data = &init_net.ipv4.sysctl_tcp_dsack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) .procname = "tcp_app_win",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) .data = &init_net.ipv4.sysctl_tcp_app_win,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) .procname = "tcp_adv_win_scale",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) .data = &init_net.ipv4.sysctl_tcp_adv_win_scale,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) .extra1 = &tcp_adv_win_scale_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) .extra2 = &tcp_adv_win_scale_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) .procname = "tcp_frto",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) .data = &init_net.ipv4.sysctl_tcp_frto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) .procname = "tcp_no_metrics_save",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) .data = &init_net.ipv4.sysctl_tcp_nometrics_save,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) .procname = "tcp_no_ssthresh_metrics_save",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) .data = &init_net.ipv4.sysctl_tcp_no_ssthresh_metrics_save,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) .procname = "tcp_moderate_rcvbuf",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) .data = &init_net.ipv4.sysctl_tcp_moderate_rcvbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) .procname = "tcp_tso_win_divisor",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) .data = &init_net.ipv4.sysctl_tcp_tso_win_divisor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) .proc_handler = proc_dointvec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) .procname = "tcp_workaround_signed_windows",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) .data = &init_net.ipv4.sysctl_tcp_workaround_signed_windows,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) .procname = "tcp_limit_output_bytes",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) .data = &init_net.ipv4.sysctl_tcp_limit_output_bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) .procname = "tcp_challenge_ack_limit",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) .data = &init_net.ipv4.sysctl_tcp_challenge_ack_limit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) .proc_handler = proc_dointvec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) .procname = "tcp_min_tso_segs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) .data = &init_net.ipv4.sysctl_tcp_min_tso_segs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) .extra1 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) .extra2 = &gso_max_segs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) .procname = "tcp_min_rtt_wlen",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) .data = &init_net.ipv4.sysctl_tcp_min_rtt_wlen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) .extra2 = &one_day_secs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) .procname = "tcp_autocorking",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) .data = &init_net.ipv4.sysctl_tcp_autocorking,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) .procname = "tcp_invalid_ratelimit",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) .data = &init_net.ipv4.sysctl_tcp_invalid_ratelimit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) .proc_handler = proc_dointvec_ms_jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) .procname = "tcp_pacing_ss_ratio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) .data = &init_net.ipv4.sysctl_tcp_pacing_ss_ratio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) .extra2 = &thousand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) .procname = "tcp_pacing_ca_ratio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) .data = &init_net.ipv4.sysctl_tcp_pacing_ca_ratio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) .extra2 = &thousand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) .procname = "tcp_wmem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) .data = &init_net.ipv4.sysctl_tcp_wmem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) .maxlen = sizeof(init_net.ipv4.sysctl_tcp_wmem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) .extra1 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) .procname = "tcp_rmem",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) .data = &init_net.ipv4.sysctl_tcp_rmem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) .maxlen = sizeof(init_net.ipv4.sysctl_tcp_rmem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) .extra1 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) .procname = "tcp_comp_sack_delay_ns",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) .data = &init_net.ipv4.sysctl_tcp_comp_sack_delay_ns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) .maxlen = sizeof(unsigned long),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) .proc_handler = proc_doulongvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) .procname = "tcp_comp_sack_slack_ns",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) .data = &init_net.ipv4.sysctl_tcp_comp_sack_slack_ns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) .maxlen = sizeof(unsigned long),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) .proc_handler = proc_doulongvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) .procname = "tcp_comp_sack_nr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) .data = &init_net.ipv4.sysctl_tcp_comp_sack_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) .extra2 = &comp_sack_nr_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) .procname = "tcp_reflect_tos",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) .data = &init_net.ipv4.sysctl_tcp_reflect_tos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) .maxlen = sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) .extra1 = SYSCTL_ZERO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) .extra2 = SYSCTL_ONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) .procname = "udp_rmem_min",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) .data = &init_net.ipv4.sysctl_udp_rmem_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) .maxlen = sizeof(init_net.ipv4.sysctl_udp_rmem_min),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) .extra1 = SYSCTL_ONE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) .procname = "udp_wmem_min",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) .data = &init_net.ipv4.sysctl_udp_wmem_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) .maxlen = sizeof(init_net.ipv4.sysctl_udp_wmem_min),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) .proc_handler = proc_dointvec_minmax,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) .extra1 = SYSCTL_ONE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) static __net_init int ipv4_sysctl_init_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) struct ctl_table *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) table = ipv4_net_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) if (!net_eq(net, &init_net)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) if (!table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) goto err_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) for (i = 0; i < ARRAY_SIZE(ipv4_net_table) - 1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) if (table[i].data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) /* Update the variables to point into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) * the current struct net
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) table[i].data += (void *)net - (void *)&init_net;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) /* Entries without data pointer are global;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) * Make them read-only in non-init_net ns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) table[i].mode &= ~0222;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) if (!net->ipv4.ipv4_hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) goto err_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) net->ipv4.sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) if (!net->ipv4.sysctl_local_reserved_ports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) goto err_reserved_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) net->ipv4.sysctl_local_unbindable_ports = kzalloc(65536 / 8, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) if (!net->ipv4.sysctl_local_unbindable_ports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) goto err_unbindable_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) err_unbindable_ports:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) kfree(net->ipv4.sysctl_local_reserved_ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) err_reserved_ports:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) err_reg:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) if (!net_eq(net, &init_net))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) kfree(table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) err_alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) static __net_exit void ipv4_sysctl_exit_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) struct ctl_table *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) kfree(net->ipv4.sysctl_local_unbindable_ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) kfree(net->ipv4.sysctl_local_reserved_ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) table = net->ipv4.ipv4_hdr->ctl_table_arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) kfree(table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) static __net_initdata struct pernet_operations ipv4_sysctl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) .init = ipv4_sysctl_init_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) .exit = ipv4_sysctl_exit_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) static __init int sysctl_ipv4_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) struct ctl_table_header *hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) hdr = register_net_sysctl(&init_net, "net/ipv4", ipv4_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) if (!hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) if (register_pernet_subsys(&ipv4_sysctl_ops)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) unregister_net_sysctl_table(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) __initcall(sysctl_ipv4_init);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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