diff options
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r-- | net/ipv6/raw.c | 82 |
1 files changed, 5 insertions, 77 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 422d27cfbe1..b34631e1b01 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1200,77 +1200,6 @@ struct proto rawv6_prot = { }; #ifdef CONFIG_PROC_FS -struct raw6_iter_state { - int bucket; -}; - -#define raw6_seq_private(seq) ((struct raw6_iter_state *)(seq)->private) - -static struct sock *raw6_get_first(struct seq_file *seq) -{ - struct sock *sk; - struct hlist_node *node; - struct raw6_iter_state* state = raw6_seq_private(seq); - - for (state->bucket = 0; state->bucket < RAW_HTABLE_SIZE; - ++state->bucket) - sk_for_each(sk, node, &raw_v6_hashinfo.ht[state->bucket]) - if (sk->sk_family == PF_INET6) - goto out; - sk = NULL; -out: - return sk; -} - -static struct sock *raw6_get_next(struct seq_file *seq, struct sock *sk) -{ - struct raw6_iter_state* state = raw6_seq_private(seq); - - do { - sk = sk_next(sk); -try_again: - ; - } while (sk && sk->sk_family != PF_INET6); - - if (!sk && ++state->bucket < RAW_HTABLE_SIZE) { - sk = sk_head(&raw_v6_hashinfo.ht[state->bucket]); - goto try_again; - } - return sk; -} - -static struct sock *raw6_get_idx(struct seq_file *seq, loff_t pos) -{ - struct sock *sk = raw6_get_first(seq); - if (sk) - while (pos && (sk = raw6_get_next(seq, sk)) != NULL) - --pos; - return pos ? NULL : sk; -} - -static void *raw6_seq_start(struct seq_file *seq, loff_t *pos) -{ - read_lock(&raw_v6_hashinfo.lock); - return *pos ? raw6_get_idx(seq, *pos - 1) : SEQ_START_TOKEN; -} - -static void *raw6_seq_next(struct seq_file *seq, void *v, loff_t *pos) -{ - struct sock *sk; - - if (v == SEQ_START_TOKEN) - sk = raw6_get_first(seq); - else - sk = raw6_get_next(seq, v); - ++*pos; - return sk; -} - -static void raw6_seq_stop(struct seq_file *seq, void *v) -{ - read_unlock(&raw_v6_hashinfo.lock); -} - static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) { struct ipv6_pinfo *np = inet6_sk(sp); @@ -1308,21 +1237,20 @@ static int raw6_seq_show(struct seq_file *seq, void *v) "st tx_queue rx_queue tr tm->when retrnsmt" " uid timeout inode drops\n"); else - raw6_sock_seq_show(seq, v, raw6_seq_private(seq)->bucket); + raw6_sock_seq_show(seq, v, raw_seq_private(seq)->bucket); return 0; } static const struct seq_operations raw6_seq_ops = { - .start = raw6_seq_start, - .next = raw6_seq_next, - .stop = raw6_seq_stop, + .start = raw_seq_start, + .next = raw_seq_next, + .stop = raw_seq_stop, .show = raw6_seq_show, }; static int raw6_seq_open(struct inode *inode, struct file *file) { - return seq_open_private(file, &raw6_seq_ops, - sizeof(struct raw6_iter_state)); + return raw_seq_open(file, &raw_v6_hashinfo, PF_INET6); } static const struct file_operations raw6_seq_fops = { |