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| author | James Chapman <jchapman@katalix.com> | 2010-04-02 06:19:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-03 14:56:07 -0700 |
| commit | 0ad6614048cf722e4d27909665b4846805357f1b (patch) | |
| tree | 182349ddf6e2b8e8478a5451cd0ed9684c14f0e8 /net/l2tp/l2tp_core.h | |
| parent | d9e31d17ceba5f0736f5a34bbc236239cd42b420 (diff) | |
| download | linux-0ad6614048cf722e4d27909665b4846805357f1b.tar.gz linux-0ad6614048cf722e4d27909665b4846805357f1b.tar.bz2 linux-0ad6614048cf722e4d27909665b4846805357f1b.zip | |
l2tp: Add debugfs files for dumping l2tp debug info
The existing pppol2tp driver exports debug info to
/proc/net/pppol2tp. Rather than adding info to that file for the new
functionality added in this patch series, we add new files in debugfs,
leaving the old /proc file for backwards compatibility (L2TPv2 only).
Currently only one file is provided: l2tp/tunnels, which lists
internal debug info for all l2tp tunnels and sessions. More files may
be added later. The info is for debug and problem analysis only -
userspace apps should use netlink to obtain status about l2tp tunnels
and sessions.
Although debugfs does not support net namespaces, the tunnels and
sessions dumped in l2tp/tunnels are only those in the net namespace of
the process reading the file.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp/l2tp_core.h')
| -rw-r--r-- | net/l2tp/l2tp_core.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 2974d9ade167..571335530c6f 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -133,7 +133,9 @@ struct l2tp_session { void (*session_close)(struct l2tp_session *session); void (*ref)(struct l2tp_session *session); void (*deref)(struct l2tp_session *session); - +#ifdef CONFIG_L2TP_DEBUGFS + void (*show)(struct seq_file *m, void *priv); +#endif uint8_t priv[0]; /* private data */ }; @@ -166,7 +168,9 @@ struct l2tp_tunnel { struct net *l2tp_net; /* the net we belong to */ atomic_t ref_count; - +#ifdef CONFIG_DEBUG_FS + void (*show)(struct seq_file *m, void *arg); +#endif int (*recv_payload_hook)(struct sk_buff *skb); void (*old_sk_destruct)(struct sock *); struct sock *sock; /* Parent socket */ |