URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [net/] [ipv4/] [sysctl_net_ipv4.c] - Rev 1765
Compare with Previous | Blame | View Log
/* * sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem. * * $Id: sysctl_net_ipv4.c,v 1.1.1.1 2004-04-15 01:13:54 phoenix Exp $ * * Begun April 1, 1996, Mike Shaver. * Added /proc/sys/net/ipv4 directory entry (empty =) ). [MS] */ #include <linux/mm.h> #include <linux/sysctl.h> #include <linux/config.h> #include <net/snmp.h> #include <net/ip.h> #include <net/route.h> #include <net/tcp.h> /* From af_inet.c */ extern int sysctl_ip_nonlocal_bind; /* From icmp.c */ extern int sysctl_icmp_echo_ignore_all; extern int sysctl_icmp_echo_ignore_broadcasts; extern int sysctl_icmp_ignore_bogus_error_responses; /* From ip_fragment.c */ extern int sysctl_ipfrag_low_thresh; extern int sysctl_ipfrag_high_thresh; extern int sysctl_ipfrag_time; extern int sysctl_ipfrag_secret_interval; /* From ip_output.c */ extern int sysctl_ip_dynaddr; /* From icmp.c */ extern int sysctl_icmp_ratelimit; extern int sysctl_icmp_ratemask; /* From igmp.c */ extern int sysctl_igmp_max_memberships; extern int sysctl_igmp_max_msf; /* From inetpeer.c */ extern int inet_peer_threshold; extern int inet_peer_minttl; extern int inet_peer_maxttl; extern int inet_peer_gc_mintime; extern int inet_peer_gc_maxtime; #ifdef CONFIG_SYSCTL static int tcp_retr1_max = 255; static int ip_local_port_range_min[] = { 1, 1 }; static int ip_local_port_range_max[] = { 65535, 65535 }; #endif /* From tcp_input.c */ extern int sysctl_tcp_westwood; struct ipv4_config ipv4_config; extern ctl_table ipv4_route_table[]; #ifdef CONFIG_SYSCTL static int ipv4_sysctl_forward(ctl_table *ctl, int write, struct file * filp, void *buffer, size_t *lenp) { int val = ipv4_devconf.forwarding; int ret; ret = proc_dointvec(ctl, write, filp, buffer, lenp); if (write && ipv4_devconf.forwarding != val) inet_forward_change(ipv4_devconf.forwarding); return ret; } static int ipv4_sysctl_forward_strategy(ctl_table *table, int *name, int nlen, void *oldval, size_t *oldlenp, void *newval, size_t newlen, void **context) { int new; if (newlen != sizeof(int)) return -EINVAL; if (get_user(new,(int *)newval)) return -EFAULT; if (new != ipv4_devconf.forwarding) inet_forward_change(new); return 0; /* caller does change again and handles handles oldval */ } ctl_table ipv4_table[] = { {NET_IPV4_TCP_TIMESTAMPS, "tcp_timestamps", &sysctl_tcp_timestamps, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_TCP_WINDOW_SCALING, "tcp_window_scaling", &sysctl_tcp_window_scaling, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_TCP_SACK, "tcp_sack", &sysctl_tcp_sack, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_TCP_RETRANS_COLLAPSE, "tcp_retrans_collapse", &sysctl_tcp_retrans_collapse, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_FORWARD, "ip_forward", &ipv4_devconf.forwarding, sizeof(int), 0644, NULL, &ipv4_sysctl_forward,&ipv4_sysctl_forward_strategy}, {NET_IPV4_DEFAULT_TTL, "ip_default_ttl", &sysctl_ip_default_ttl, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_AUTOCONFIG, "ip_autoconfig", &ipv4_config.autoconfig, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_NO_PMTU_DISC, "ip_no_pmtu_disc", &ipv4_config.no_pmtu_disc, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_NONLOCAL_BIND, "ip_nonlocal_bind", &sysctl_ip_nonlocal_bind, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_TCP_SYN_RETRIES, "tcp_syn_retries", &sysctl_tcp_syn_retries, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_SYNACK_RETRIES, "tcp_synack_retries", &sysctl_tcp_synack_retries, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_MAX_ORPHANS, "tcp_max_orphans", &sysctl_tcp_max_orphans, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_MAX_TW_BUCKETS, "tcp_max_tw_buckets", &sysctl_tcp_max_tw_buckets, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_IPFRAG_HIGH_THRESH, "ipfrag_high_thresh", &sysctl_ipfrag_high_thresh, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_IPFRAG_LOW_THRESH, "ipfrag_low_thresh", &sysctl_ipfrag_low_thresh, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_DYNADDR, "ip_dynaddr", &sysctl_ip_dynaddr, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_IPFRAG_TIME, "ipfrag_time", &sysctl_ipfrag_time, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_IPV4_TCP_KEEPALIVE_TIME, "tcp_keepalive_time", &sysctl_tcp_keepalive_time, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_IPV4_TCP_KEEPALIVE_PROBES, "tcp_keepalive_probes", &sysctl_tcp_keepalive_probes, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_TCP_KEEPALIVE_INTVL, "tcp_keepalive_intvl", &sysctl_tcp_keepalive_intvl, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_IPV4_TCP_RETRIES1, "tcp_retries1", &sysctl_tcp_retries1, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, NULL, &tcp_retr1_max}, {NET_IPV4_TCP_RETRIES2, "tcp_retries2", &sysctl_tcp_retries2, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_TCP_FIN_TIMEOUT, "tcp_fin_timeout", &sysctl_tcp_fin_timeout, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, #ifdef CONFIG_SYN_COOKIES {NET_TCP_SYNCOOKIES, "tcp_syncookies", &sysctl_tcp_syncookies, sizeof(int), 0644, NULL, &proc_dointvec}, #endif {NET_TCP_TW_RECYCLE, "tcp_tw_recycle", &sysctl_tcp_tw_recycle, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_ABORT_ON_OVERFLOW, "tcp_abort_on_overflow", &sysctl_tcp_abort_on_overflow, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_STDURG, "tcp_stdurg", &sysctl_tcp_stdurg, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_RFC1337, "tcp_rfc1337", &sysctl_tcp_rfc1337, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_MAX_SYN_BACKLOG, "tcp_max_syn_backlog", &sysctl_max_syn_backlog, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_LOCAL_PORT_RANGE, "ip_local_port_range", &sysctl_local_port_range, sizeof(sysctl_local_port_range), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, ip_local_port_range_min, ip_local_port_range_max }, {NET_IPV4_ICMP_ECHO_IGNORE_ALL, "icmp_echo_ignore_all", &sysctl_icmp_echo_ignore_all, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS, "icmp_echo_ignore_broadcasts", &sysctl_icmp_echo_ignore_broadcasts, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES, "icmp_ignore_bogus_error_responses", &sysctl_icmp_ignore_bogus_error_responses, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_ROUTE, "route", NULL, 0, 0555, ipv4_route_table}, #ifdef CONFIG_IP_MULTICAST {NET_IPV4_IGMP_MAX_MEMBERSHIPS, "igmp_max_memberships", &sysctl_igmp_max_memberships, sizeof(int), 0644, NULL, &proc_dointvec}, #endif {NET_IPV4_IGMP_MAX_MSF, "igmp_max_msf", &sysctl_igmp_max_msf, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_INET_PEER_THRESHOLD, "inet_peer_threshold", &inet_peer_threshold, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_INET_PEER_MINTTL, "inet_peer_minttl", &inet_peer_minttl, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_IPV4_INET_PEER_MAXTTL, "inet_peer_maxttl", &inet_peer_maxttl, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_IPV4_INET_PEER_GC_MINTIME, "inet_peer_gc_mintime", &inet_peer_gc_mintime, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_IPV4_INET_PEER_GC_MAXTIME, "inet_peer_gc_maxtime", &inet_peer_gc_maxtime, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_TCP_ORPHAN_RETRIES, "tcp_orphan_retries", &sysctl_tcp_orphan_retries, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_FACK, "tcp_fack", &sysctl_tcp_fack, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_REORDERING, "tcp_reordering", &sysctl_tcp_reordering, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_ECN, "tcp_ecn", &sysctl_tcp_ecn, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_DSACK, "tcp_dsack", &sysctl_tcp_dsack, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_MEM, "tcp_mem", &sysctl_tcp_mem, sizeof(sysctl_tcp_mem), 0644, NULL, &proc_dointvec}, {NET_TCP_WMEM, "tcp_wmem", &sysctl_tcp_wmem, sizeof(sysctl_tcp_wmem), 0644, NULL, &proc_dointvec}, {NET_TCP_RMEM, "tcp_rmem", &sysctl_tcp_rmem, sizeof(sysctl_tcp_rmem), 0644, NULL, &proc_dointvec}, {NET_TCP_APP_WIN, "tcp_app_win", &sysctl_tcp_app_win, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_ADV_WIN_SCALE, "tcp_adv_win_scale", &sysctl_tcp_adv_win_scale, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_ICMP_RATELIMIT, "icmp_ratelimit", &sysctl_icmp_ratelimit, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_ICMP_RATEMASK, "icmp_ratemask", &sysctl_icmp_ratemask, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_TW_REUSE, "tcp_tw_reuse", &sysctl_tcp_tw_reuse, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_FRTO, "tcp_frto", &sysctl_tcp_frto, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_TCP_LOW_LATENCY, "tcp_low_latency", &sysctl_tcp_low_latency, sizeof(int), 0644, NULL, &proc_dointvec}, {NET_IPV4_IPFRAG_SECRET_INTERVAL, "ipfrag_secret_interval", &sysctl_ipfrag_secret_interval, sizeof(int), 0644, NULL, &proc_dointvec_jiffies, &sysctl_jiffies}, {NET_TCP_WESTWOOD, "tcp_westwood", &sysctl_tcp_westwood, sizeof(int), 0644, NULL, &proc_dointvec}, {0} }; #endif /* CONFIG_SYSCTL */