return ret;
}
-/* Validate changes from sysctl interface. */
-static int ipv4_sysctl_local_port_range(ctl_table *table,
- void __user *oldval,
- size_t __user *oldlenp,
- void __user *newval, size_t newlen)
-{
- int ret;
- int range[2];
- ctl_table tmp = {
- .data = &range,
- .maxlen = sizeof(range),
- .mode = table->mode,
- .extra1 = &ip_local_port_range_min,
- .extra2 = &ip_local_port_range_max,
- };
-
- inet_get_local_port_range(range, range + 1);
- ret = sysctl_intvec(&tmp, oldval, oldlenp, newval, newlen);
- if (ret == 0 && newval && newlen) {
- if (range[1] < range[0])
- ret = -EINVAL;
- else
- set_local_port_range(range);
- }
- return ret;
-}
-
-
static int proc_tcp_congestion_control(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
return ret;
}
-static int sysctl_tcp_congestion_control(ctl_table *table,
- void __user *oldval,
- size_t __user *oldlenp,
- void __user *newval, size_t newlen)
-{
- char val[TCP_CA_NAME_MAX];
- ctl_table tbl = {
- .data = val,
- .maxlen = TCP_CA_NAME_MAX,
- };
- int ret;
-
- tcp_get_default_congestion_control(val);
- ret = sysctl_string(&tbl, oldval, oldlenp, newval, newlen);
- if (ret == 1 && newval && newlen)
- ret = tcp_set_default_congestion_control(val);
- return ret;
-}
-
static int proc_tcp_available_congestion_control(ctl_table *ctl,
int write,
void __user *buffer, size_t *lenp,
return ret;
}
-static int strategy_allowed_congestion_control(ctl_table *table,
- void __user *oldval,
- size_t __user *oldlenp,
- void __user *newval,
- size_t newlen)
-{
- ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX };
- int ret;
-
- tbl.data = kmalloc(tbl.maxlen, GFP_USER);
- if (!tbl.data)
- return -ENOMEM;
-
- tcp_get_available_congestion_control(tbl.data, tbl.maxlen);
- ret = sysctl_string(&tbl, oldval, oldlenp, newval, newlen);
- if (ret == 1 && newval && newlen)
- ret = tcp_set_allowed_congestion_control(tbl.data);
- kfree(tbl.data);
-
- return ret;
-
-}
-
static struct ctl_table ipv4_table[] = {
{
- .ctl_name = NET_IPV4_TCP_TIMESTAMPS,
.procname = "tcp_timestamps",
.data = &sysctl_tcp_timestamps,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_WINDOW_SCALING,
.procname = "tcp_window_scaling",
.data = &sysctl_tcp_window_scaling,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_SACK,
.procname = "tcp_sack",
.data = &sysctl_tcp_sack,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_RETRANS_COLLAPSE,
.procname = "tcp_retrans_collapse",
.data = &sysctl_tcp_retrans_collapse,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_DEFAULT_TTL,
.procname = "ip_default_ttl",
.data = &sysctl_ip_default_ttl,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = ipv4_doint_and_flush,
- .strategy = ipv4_doint_and_flush_strategy,
.extra2 = &init_net,
},
{
- .ctl_name = NET_IPV4_NO_PMTU_DISC,
.procname = "ip_no_pmtu_disc",
.data = &ipv4_config.no_pmtu_disc,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_NONLOCAL_BIND,
.procname = "ip_nonlocal_bind",
.data = &sysctl_ip_nonlocal_bind,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_SYN_RETRIES,
.procname = "tcp_syn_retries",
.data = &sysctl_tcp_syn_retries,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_SYNACK_RETRIES,
.procname = "tcp_synack_retries",
.data = &sysctl_tcp_synack_retries,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_MAX_ORPHANS,
.procname = "tcp_max_orphans",
.data = &sysctl_tcp_max_orphans,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_MAX_TW_BUCKETS,
.procname = "tcp_max_tw_buckets",
.data = &tcp_death_row.sysctl_max_tw_buckets,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_DYNADDR,
.procname = "ip_dynaddr",
.data = &sysctl_ip_dynaddr,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_KEEPALIVE_TIME,
.procname = "tcp_keepalive_time",
.data = &sysctl_tcp_keepalive_time,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
{
- .ctl_name = NET_IPV4_TCP_KEEPALIVE_PROBES,
.procname = "tcp_keepalive_probes",
.data = &sysctl_tcp_keepalive_probes,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_KEEPALIVE_INTVL,
.procname = "tcp_keepalive_intvl",
.data = &sysctl_tcp_keepalive_intvl,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
{
- .ctl_name = NET_IPV4_TCP_RETRIES1,
.procname = "tcp_retries1",
.data = &sysctl_tcp_retries1,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .strategy = sysctl_intvec,
.extra2 = &tcp_retr1_max
},
{
- .ctl_name = NET_IPV4_TCP_RETRIES2,
.procname = "tcp_retries2",
.data = &sysctl_tcp_retries2,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_TCP_FIN_TIMEOUT,
.procname = "tcp_fin_timeout",
.data = &sysctl_tcp_fin_timeout,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
#ifdef CONFIG_SYN_COOKIES
{
- .ctl_name = NET_TCP_SYNCOOKIES,
.procname = "tcp_syncookies",
.data = &sysctl_tcp_syncookies,
.maxlen = sizeof(int),
},
#endif
{
- .ctl_name = NET_TCP_TW_RECYCLE,
.procname = "tcp_tw_recycle",
.data = &tcp_death_row.sysctl_tw_recycle,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_ABORT_ON_OVERFLOW,
.procname = "tcp_abort_on_overflow",
.data = &sysctl_tcp_abort_on_overflow,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_STDURG,
.procname = "tcp_stdurg",
.data = &sysctl_tcp_stdurg,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_RFC1337,
.procname = "tcp_rfc1337",
.data = &sysctl_tcp_rfc1337,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_MAX_SYN_BACKLOG,
.procname = "tcp_max_syn_backlog",
.data = &sysctl_max_syn_backlog,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_LOCAL_PORT_RANGE,
.procname = "ip_local_port_range",
.data = &sysctl_local_ports.range,
.maxlen = sizeof(sysctl_local_ports.range),
.mode = 0644,
.proc_handler = ipv4_local_port_range,
- .strategy = ipv4_sysctl_local_port_range,
},
#ifdef CONFIG_IP_MULTICAST
{
- .ctl_name = NET_IPV4_IGMP_MAX_MEMBERSHIPS,
.procname = "igmp_max_memberships",
.data = &sysctl_igmp_max_memberships,
.maxlen = sizeof(int),
#endif
{
- .ctl_name = NET_IPV4_IGMP_MAX_MSF,
.procname = "igmp_max_msf",
.data = &sysctl_igmp_max_msf,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_INET_PEER_THRESHOLD,
.procname = "inet_peer_threshold",
.data = &inet_peer_threshold,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_INET_PEER_MINTTL,
.procname = "inet_peer_minttl",
.data = &inet_peer_minttl,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
{
- .ctl_name = NET_IPV4_INET_PEER_MAXTTL,
.procname = "inet_peer_maxttl",
.data = &inet_peer_maxttl,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
{
- .ctl_name = NET_IPV4_INET_PEER_GC_MINTIME,
.procname = "inet_peer_gc_mintime",
.data = &inet_peer_gc_mintime,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
{
- .ctl_name = NET_IPV4_INET_PEER_GC_MAXTIME,
.procname = "inet_peer_gc_maxtime",
.data = &inet_peer_gc_maxtime,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies
},
{
- .ctl_name = NET_TCP_ORPHAN_RETRIES,
.procname = "tcp_orphan_retries",
.data = &sysctl_tcp_orphan_retries,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_FACK,
.procname = "tcp_fack",
.data = &sysctl_tcp_fack,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_REORDERING,
.procname = "tcp_reordering",
.data = &sysctl_tcp_reordering,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_ECN,
.procname = "tcp_ecn",
.data = &sysctl_tcp_ecn,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_DSACK,
.procname = "tcp_dsack",
.data = &sysctl_tcp_dsack,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_MEM,
.procname = "tcp_mem",
.data = &sysctl_tcp_mem,
.maxlen = sizeof(sysctl_tcp_mem),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_WMEM,
.procname = "tcp_wmem",
.data = &sysctl_tcp_wmem,
.maxlen = sizeof(sysctl_tcp_wmem),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_RMEM,
.procname = "tcp_rmem",
.data = &sysctl_tcp_rmem,
.maxlen = sizeof(sysctl_tcp_rmem),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_APP_WIN,
.procname = "tcp_app_win",
.data = &sysctl_tcp_app_win,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_ADV_WIN_SCALE,
.procname = "tcp_adv_win_scale",
.data = &sysctl_tcp_adv_win_scale,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_TW_REUSE,
.procname = "tcp_tw_reuse",
.data = &sysctl_tcp_tw_reuse,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_FRTO,
.procname = "tcp_frto",
.data = &sysctl_tcp_frto,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_FRTO_RESPONSE,
.procname = "tcp_frto_response",
.data = &sysctl_tcp_frto_response,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_LOW_LATENCY,
.procname = "tcp_low_latency",
.data = &sysctl_tcp_low_latency,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_TCP_NO_METRICS_SAVE,
.procname = "tcp_no_metrics_save",
.data = &sysctl_tcp_nometrics_save,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_TCP_MODERATE_RCVBUF,
.procname = "tcp_moderate_rcvbuf",
.data = &sysctl_tcp_moderate_rcvbuf,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_TCP_TSO_WIN_DIVISOR,
.procname = "tcp_tso_win_divisor",
.data = &sysctl_tcp_tso_win_divisor,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_TCP_CONG_CONTROL,
.procname = "tcp_congestion_control",
.mode = 0644,
.maxlen = TCP_CA_NAME_MAX,
.proc_handler = proc_tcp_congestion_control,
- .strategy = sysctl_tcp_congestion_control,
},
{
- .ctl_name = NET_TCP_ABC,
.procname = "tcp_abc",
.data = &sysctl_tcp_abc,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_TCP_MTU_PROBING,
.procname = "tcp_mtu_probing",
.data = &sysctl_tcp_mtu_probing,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_TCP_BASE_MSS,
.procname = "tcp_base_mss",
.data = &sysctl_tcp_base_mss,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
.procname = "tcp_workaround_signed_windows",
.data = &sysctl_tcp_workaround_signed_windows,
.maxlen = sizeof(int),
},
#ifdef CONFIG_NET_DMA
{
- .ctl_name = NET_TCP_DMA_COPYBREAK,
.procname = "tcp_dma_copybreak",
.data = &sysctl_tcp_dma_copybreak,
.maxlen = sizeof(int),
},
#endif
{
- .ctl_name = NET_TCP_SLOW_START_AFTER_IDLE,
.procname = "tcp_slow_start_after_idle",
.data = &sysctl_tcp_slow_start_after_idle,
.maxlen = sizeof(int),
},
#ifdef CONFIG_NETLABEL
{
- .ctl_name = NET_CIPSOV4_CACHE_ENABLE,
.procname = "cipso_cache_enable",
.data = &cipso_v4_cache_enabled,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_CIPSOV4_CACHE_BUCKET_SIZE,
.procname = "cipso_cache_bucket_size",
.data = &cipso_v4_cache_bucketsize,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_CIPSOV4_RBM_OPTFMT,
.procname = "cipso_rbm_optfmt",
.data = &cipso_v4_rbm_optfmt,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_CIPSOV4_RBM_STRICTVALID,
.procname = "cipso_rbm_strictvalid",
.data = &cipso_v4_rbm_strictvalid,
.maxlen = sizeof(int),
.proc_handler = proc_tcp_available_congestion_control,
},
{
- .ctl_name = NET_TCP_ALLOWED_CONG_CONTROL,
.procname = "tcp_allowed_congestion_control",
.maxlen = TCP_CA_BUF_MAX,
.mode = 0644,
.proc_handler = proc_allowed_congestion_control,
- .strategy = strategy_allowed_congestion_control,
},
{
- .ctl_name = NET_TCP_MAX_SSTHRESH,
.procname = "tcp_max_ssthresh",
.data = &sysctl_tcp_max_ssthresh,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = CTL_UNNUMBERED,
+ .procname = "tcp_cookie_size",
+ .data = &sysctl_tcp_cookie_size,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
+ {
.procname = "udp_mem",
.data = &sysctl_udp_mem,
.maxlen = sizeof(sysctl_udp_mem),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .strategy = sysctl_intvec,
.extra1 = &zero
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "udp_rmem_min",
.data = &sysctl_udp_rmem_min,
.maxlen = sizeof(sysctl_udp_rmem_min),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .strategy = sysctl_intvec,
.extra1 = &zero
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "udp_wmem_min",
.data = &sysctl_udp_wmem_min,
.maxlen = sizeof(sysctl_udp_wmem_min),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .strategy = sysctl_intvec,
.extra1 = &zero
},
- { .ctl_name = 0 }
+ { }
};
static struct ctl_table ipv4_net_table[] = {
{
- .ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_ALL,
.procname = "icmp_echo_ignore_all",
.data = &init_net.ipv4.sysctl_icmp_echo_ignore_all,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
.procname = "icmp_echo_ignore_broadcasts",
.data = &init_net.ipv4.sysctl_icmp_echo_ignore_broadcasts,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
.procname = "icmp_ignore_bogus_error_responses",
.data = &init_net.ipv4.sysctl_icmp_ignore_bogus_error_responses,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
.procname = "icmp_errors_use_inbound_ifaddr",
.data = &init_net.ipv4.sysctl_icmp_errors_use_inbound_ifaddr,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = NET_IPV4_ICMP_RATELIMIT,
.procname = "icmp_ratelimit",
.data = &init_net.ipv4.sysctl_icmp_ratelimit,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_ms_jiffies,
- .strategy = sysctl_ms_jiffies
},
{
- .ctl_name = NET_IPV4_ICMP_RATEMASK,
.procname = "icmp_ratemask",
.data = &init_net.ipv4.sysctl_icmp_ratemask,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "rt_cache_rebuild_count",
.data = &init_net.ipv4.sysctl_rt_cache_rebuild_count,
.maxlen = sizeof(int),
};
struct ctl_path net_ipv4_ctl_path[] = {
- { .procname = "net", .ctl_name = CTL_NET, },
- { .procname = "ipv4", .ctl_name = NET_IPV4, },
+ { .procname = "net", },
+ { .procname = "ipv4", },
{ },
};
EXPORT_SYMBOL_GPL(net_ipv4_ctl_path);
struct ctl_table *table;
table = ipv4_net_table;
- if (net != &init_net) {
+ if (!net_eq(net, &init_net)) {
table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL);
if (table == NULL)
goto err_alloc;
return 0;
err_reg:
- if (net != &init_net)
+ if (!net_eq(net, &init_net))
kfree(table);
err_alloc:
return -ENOMEM;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff