diff options
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index ae03b7b75af6..46b8ce33154f 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -48,6 +48,8 @@ * YOSHIFUJI Hideaki @USAGI and: Support IPV6_V6ONLY socket option, which * Alexey Kuznetsov allow both IPv4 and IPv6 sockets to bind * a single port at the same time. + * + * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. */ #define pr_fmt(fmt) "TCP: " fmt @@ -2434,6 +2436,9 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len) __u16 destp = ntohs(inet->inet_dport); __u16 srcp = ntohs(inet->inet_sport); int rx_queue; + unsigned long cmdline = __get_free_page(GFP_TEMPORARY); + if (cmdline == NULL) + return; if (icsk->icsk_pending == ICSK_TIME_RETRANS) { timer_active = 1; @@ -2458,7 +2463,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len) rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0); seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX " - "%08X %5d %8d %lu %d %pK %lu %lu %u %u %d%n", + "%08X %5d %8d %lu %d %pK %lu %lu %u %u %d %s%n", i, src, srcp, dest, destp, sk->sk_state, tp->write_seq - tp->snd_una, rx_queue, @@ -2474,7 +2479,10 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len) (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong, tp->snd_cwnd, tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh, + sk_get_waiting_task_cmdline(sk, cmdline), len); + + free_page(cmdline); } static void get_timewait4_sock(const struct inet_timewait_sock *tw, @@ -2508,9 +2516,10 @@ static int tcp4_seq_show(struct seq_file *seq, void *v) if (v == SEQ_START_TOKEN) { seq_printf(seq, "%-*s\n", TMPSZ - 1, - " sl local_address rem_address st tx_queue " - "rx_queue tr tm->when retrnsmt uid timeout " - "inode"); + " sl local_address rem_address st tx_queue " + "rx_queue tr tm->when retrnsmt uid timeout " + "inode " + "cmdline"); goto out; } st = seq->private; @@ -2527,7 +2536,7 @@ static int tcp4_seq_show(struct seq_file *seq, void *v) get_timewait4_sock(v, seq, st->num, &len); break; } - seq_printf(seq, "%*s\n", TMPSZ - 1 - len, ""); + seq_printf(seq, "\n"); out: return 0; } |