diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/ping.c | 21 | ||||
-rw-r--r-- | net/ipv6/ping.c | 102 |
2 files changed, 91 insertions, 32 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 8c2da9b..3552a45 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -1035,8 +1035,7 @@ static struct sock *ping_get_idx(struct seq_file *seq, loff_t pos) return pos ? NULL : sk; } -static void *ping_seq_start(struct seq_file *seq, loff_t *pos, - sa_family_t family) +void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family) { struct ping_iter_state *state = seq->private; state->bucket = 0; @@ -1046,13 +1045,14 @@ static void *ping_seq_start(struct seq_file *seq, loff_t *pos, return *pos ? ping_get_idx(seq, *pos-1) : SEQ_START_TOKEN; } +EXPORT_SYMBOL_GPL(ping_seq_start); static void *ping_v4_seq_start(struct seq_file *seq, loff_t *pos) { return ping_seq_start(seq, pos, AF_INET); } -static void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos) +void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct sock *sk; @@ -1064,11 +1064,13 @@ static void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos) ++*pos; return sk; } +EXPORT_SYMBOL_GPL(ping_seq_next); -static void ping_seq_stop(struct seq_file *seq, void *v) +void ping_seq_stop(struct seq_file *seq, void *v) { read_unlock_bh(&ping_table.lock); } +EXPORT_SYMBOL_GPL(ping_seq_stop); static void ping_v4_format_sock(struct sock *sp, struct seq_file *f, int bucket, int *len) @@ -1122,12 +1124,13 @@ static int ping_seq_open(struct inode *inode, struct file *file) sizeof(struct ping_iter_state)); } -static const struct file_operations ping_seq_fops = { +const struct file_operations ping_seq_fops = { .open = ping_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release_net, }; +EXPORT_SYMBOL_GPL(ping_seq_fops); static struct ping_seq_afinfo ping_v4_seq_afinfo = { .name = "icmp", @@ -1141,7 +1144,7 @@ static struct ping_seq_afinfo ping_v4_seq_afinfo = { }, }; -static int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo) +int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo) { struct proc_dir_entry *p; p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net, @@ -1150,13 +1153,13 @@ static int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo) return -ENOMEM; return 0; } +EXPORT_SYMBOL_GPL(ping_proc_register); -static void ping_proc_unregister(struct net *net, - struct ping_seq_afinfo *afinfo) +void ping_proc_unregister(struct net *net, struct ping_seq_afinfo *afinfo) { remove_proc_entry(afinfo->name, net->proc_net); } - +EXPORT_SYMBOL_GPL(ping_proc_unregister); static int __net_init ping_v4_proc_init_net(struct net *net) { diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index a6462d6..62ac5f2 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -78,29 +78,6 @@ int dummy_ipv6_chk_addr(struct net *net, const struct in6_addr *addr, return 0; } -int __init pingv6_init(void) -{ - pingv6_ops.ipv6_recv_error = ipv6_recv_error; - pingv6_ops.ip6_datagram_recv_ctl = ip6_datagram_recv_ctl; - pingv6_ops.icmpv6_err_convert = icmpv6_err_convert; - pingv6_ops.ipv6_icmp_error = ipv6_icmp_error; - pingv6_ops.ipv6_chk_addr = ipv6_chk_addr; - return inet6_register_protosw(&pingv6_protosw); -} - -/* This never gets called because it's not possible to unload the ipv6 module, - * but just in case. - */ -void pingv6_exit(void) -{ - pingv6_ops.ipv6_recv_error = dummy_ipv6_recv_error; - pingv6_ops.ip6_datagram_recv_ctl = dummy_ip6_datagram_recv_ctl; - pingv6_ops.icmpv6_err_convert = dummy_icmpv6_err_convert; - pingv6_ops.ipv6_icmp_error = dummy_ipv6_icmp_error; - pingv6_ops.ipv6_chk_addr = dummy_ipv6_chk_addr; - inet6_unregister_protosw(&pingv6_protosw); -} - int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len) { @@ -214,3 +191,82 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, return err; } + +#ifdef CONFIG_PROC_FS +static void *ping_v6_seq_start(struct seq_file *seq, loff_t *pos) +{ + return ping_seq_start(seq, pos, AF_INET6); +} + +int ping_v6_seq_show(struct seq_file *seq, void *v) +{ + if (v == SEQ_START_TOKEN) { + seq_puts(seq, IPV6_SEQ_DGRAM_HEADER); + } else { + int bucket = ((struct ping_iter_state *) seq->private)->bucket; + struct inet_sock *inet = inet_sk(v); + __u16 srcp = ntohs(inet->inet_sport); + __u16 destp = ntohs(inet->inet_dport); + ip6_dgram_sock_seq_show(seq, v, srcp, destp, bucket); + } + return 0; +} + +static struct ping_seq_afinfo ping_v6_seq_afinfo = { + .name = "icmp6", + .family = AF_INET6, + .seq_fops = &ping_seq_fops, + .seq_ops = { + .start = ping_v6_seq_start, + .show = ping_v6_seq_show, + .next = ping_seq_next, + .stop = ping_seq_stop, + }, +}; + +static int __net_init ping_v6_proc_init_net(struct net *net) +{ + return ping_proc_register(net, &ping_v6_seq_afinfo); +} + +static void __net_init ping_v6_proc_exit_net(struct net *net) +{ + return ping_proc_unregister(net, &ping_v6_seq_afinfo); +} + +static struct pernet_operations ping_v6_net_ops = { + .init = ping_v6_proc_init_net, + .exit = ping_v6_proc_exit_net, +}; +#endif + +int __init pingv6_init(void) +{ +#ifdef CONFIG_PROC_FS + int ret = register_pernet_subsys(&ping_v6_net_ops); + if (ret) + return ret; +#endif + pingv6_ops.ipv6_recv_error = ipv6_recv_error; + pingv6_ops.ip6_datagram_recv_ctl = ip6_datagram_recv_ctl; + pingv6_ops.icmpv6_err_convert = icmpv6_err_convert; + pingv6_ops.ipv6_icmp_error = ipv6_icmp_error; + pingv6_ops.ipv6_chk_addr = ipv6_chk_addr; + return inet6_register_protosw(&pingv6_protosw); +} + +/* This never gets called because it's not possible to unload the ipv6 module, + * but just in case. + */ +void pingv6_exit(void) +{ + pingv6_ops.ipv6_recv_error = dummy_ipv6_recv_error; + pingv6_ops.ip6_datagram_recv_ctl = dummy_ip6_datagram_recv_ctl; + pingv6_ops.icmpv6_err_convert = dummy_icmpv6_err_convert; + pingv6_ops.ipv6_icmp_error = dummy_ipv6_icmp_error; + pingv6_ops.ipv6_chk_addr = dummy_ipv6_chk_addr; +#ifdef CONFIG_PROC_FS + unregister_pernet_subsys(&ping_v6_net_ops); +#endif + inet6_unregister_protosw(&pingv6_protosw); +} |