diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/ip_fragment.c | 74 | ||||
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 42 |
2 files changed, 72 insertions, 44 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 2143bf30597..a53463e594b 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -50,7 +50,7 @@ * as well. Or notify me, at least. --ANK */ -int sysctl_ipfrag_max_dist __read_mostly = 64; +static int sysctl_ipfrag_max_dist __read_mostly = 64; struct ipfrag_skb_cb { @@ -74,7 +74,7 @@ struct ipq { struct inet_peer *peer; }; -struct inet_frags_ctl ip4_frags_ctl __read_mostly = { +static struct inet_frags_ctl ip4_frags_ctl __read_mostly = { /* * Fragment cache limits. We will commit 256K at one time. Should we * cross that limit we will prune down to 192K. This should cope with @@ -607,8 +607,78 @@ int ip_defrag(struct sk_buff *skb, u32 user) return -ENOMEM; } +#ifdef CONFIG_SYSCTL +static int zero; + +static struct ctl_table ip4_frags_ctl_table[] = { + { + .ctl_name = NET_IPV4_IPFRAG_HIGH_THRESH, + .procname = "ipfrag_high_thresh", + .data = &ip4_frags_ctl.high_thresh, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + .ctl_name = NET_IPV4_IPFRAG_LOW_THRESH, + .procname = "ipfrag_low_thresh", + .data = &ip4_frags_ctl.low_thresh, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + .ctl_name = NET_IPV4_IPFRAG_TIME, + .procname = "ipfrag_time", + .data = &ip4_frags_ctl.timeout, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies + }, + { + .ctl_name = NET_IPV4_IPFRAG_SECRET_INTERVAL, + .procname = "ipfrag_secret_interval", + .data = &ip4_frags_ctl.secret_interval, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies + }, + { + .procname = "ipfrag_max_dist", + .data = &sysctl_ipfrag_max_dist, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .extra1 = &zero + }, + { } +}; + +static int ip4_frags_ctl_register(struct net *net) +{ + struct ctl_table_header *hdr; + + hdr = register_net_sysctl_table(net, net_ipv4_ctl_path, + ip4_frags_ctl_table); + return hdr == NULL ? -ENOMEM : 0; +} +#else +static inline int ip4_frags_ctl_register(struct net *net) +{ + return 0; +} +#endif + +static int ipv4_frags_init_net(struct net *net) +{ + return ip4_frags_ctl_register(net); +} + void __init ipfrag_init(void) { + ipv4_frags_init_net(&init_net); ip4_frags.ctl = &ip4_frags_ctl; ip4_frags.hashfn = ip4_hashfn; ip4_frags.constructor = ip4_frag_init; diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 45536a91266..82cdf23837e 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -284,22 +284,6 @@ static struct ctl_table ipv4_table[] = { .proc_handler = &proc_dointvec }, { - .ctl_name = NET_IPV4_IPFRAG_HIGH_THRESH, - .procname = "ipfrag_high_thresh", - .data = &ip4_frags_ctl.high_thresh, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = NET_IPV4_IPFRAG_LOW_THRESH, - .procname = "ipfrag_low_thresh", - .data = &ip4_frags_ctl.low_thresh, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { .ctl_name = NET_IPV4_DYNADDR, .procname = "ip_dynaddr", .data = &sysctl_ip_dynaddr, @@ -308,15 +292,6 @@ static struct ctl_table ipv4_table[] = { .proc_handler = &proc_dointvec }, { - .ctl_name = NET_IPV4_IPFRAG_TIME, - .procname = "ipfrag_time", - .data = &ip4_frags_ctl.timeout, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec_jiffies, - .strategy = &sysctl_jiffies - }, - { .ctl_name = NET_IPV4_TCP_KEEPALIVE_TIME, .procname = "tcp_keepalive_time", .data = &sysctl_tcp_keepalive_time, @@ -659,23 +634,6 @@ static struct ctl_table ipv4_table[] = { .proc_handler = &proc_dointvec }, { - .ctl_name = NET_IPV4_IPFRAG_SECRET_INTERVAL, - .procname = "ipfrag_secret_interval", - .data = &ip4_frags_ctl.secret_interval, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec_jiffies, - .strategy = &sysctl_jiffies - }, - { - .procname = "ipfrag_max_dist", - .data = &sysctl_ipfrag_max_dist, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .extra1 = &zero - }, - { .ctl_name = NET_TCP_NO_METRICS_SAVE, .procname = "tcp_no_metrics_save", .data = &sysctl_tcp_nometrics_save, |