[PATCH net-2.6.26 2/2] [TCP]: Format addresses appropriately in debug messages.
From: YOSHIFUJI Hideaki / 吉藤英明 <hidden>
Date: 2008-04-14 09:24:13
Subsystem:
networking [general], networking [tcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds
Signed-off-by: YOSHIFUJI Hideaki <redacted> --- net/ipv4/tcp_input.c | 25 +++++++++++++++++++------ net/ipv4/tcp_timer.c | 12 ++++++++++-- 2 files changed, 29 insertions(+), 8 deletions(-)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index af2ec61..032ffdf 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c@@ -2280,12 +2280,25 @@ static void DBGUNDO(struct sock *sk, const char *msg) struct tcp_sock *tp = tcp_sk(sk); struct inet_sock *inet = inet_sk(sk); - printk(KERN_DEBUG "Undo %s " NIPQUAD_FMT "/%u c%u l%u ss%u/%u p%u\n", - msg, - NIPQUAD(inet->daddr), ntohs(inet->dport), - tp->snd_cwnd, tcp_left_out(tp), - tp->snd_ssthresh, tp->prior_ssthresh, - tp->packets_out); + if (sk->sk_family == AF_INET) { + printk(KERN_DEBUG "Undo %s " NIPQUAD_FMT "/%u c%u l%u ss%u/%u p%u\n", + msg, + NIPQUAD(inet->daddr), ntohs(inet->dport), + tp->snd_cwnd, tcp_left_out(tp), + tp->snd_ssthresh, tp->prior_ssthresh, + tp->packets_out); + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + else if (sk->sk_family == AF_INET6) { + struct ipv6_pinfo *np = inet6_sk(sk); + printk(KERN_DEBUG "Undo %s " NIP6_FMT "/%u c%u l%u ss%u/%u p%u\n", + msg, + NIP6(np->daddr), ntohs(inet->dport), + tp->snd_cwnd, tcp_left_out(tp), + tp->snd_ssthresh, tp->prior_ssthresh, + tp->packets_out); + } +#endif } #else #define DBGUNDO(x...) do { } while (0)
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index e588d6d..4de68cf 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c@@ -299,12 +299,20 @@ static void tcp_retransmit_timer(struct sock *sk) * we cannot allow such beasts to hang infinitely. */ #ifdef TCP_DEBUG - if (1) { - struct inet_sock *inet = inet_sk(sk); + struct inet_sock *inet = inet_sk(sk); + if (sk->sk_family == AF_INET) { LIMIT_NETDEBUG(KERN_DEBUG "TCP: Treason uncloaked! Peer " NIPQUAD_FMT ":%u/%u shrinks window %u:%u. Repaired.\n", NIPQUAD(inet->daddr), ntohs(inet->dport), inet->num, tp->snd_una, tp->snd_nxt); } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + else if (sk->sk_family == AF_INET6) { + struct ipv6_pinfo *np = inet6_sk(sk); + LIMIT_NETDEBUG(KERN_DEBUG "TCP: Treason uncloaked! Peer " NIP6_FMT ":%u/%u shrinks window %u:%u. Repaired.\n", + NIP6(np->daddr), ntohs(inet->dport), + inet->num, tp->snd_una, tp->snd_nxt); + } +#endif #endif if (tcp_time_stamp - tp->rcv_tstamp > TCP_RTO_MAX) { tcp_write_err(sk);
--
1.4.4.4
--
YOSHIFUJI Hideaki @ USAGI Project <yoshfuji@linux-ipv6.org>
GPG-FP : 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA