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| author | James Chapman <jchapman@katalix.com> | 2010-04-02 06:18:39 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-03 14:56:02 -0700 |
| commit | 63f96072f9ba430aa348bc987c3d5a4f48bae301 (patch) | |
| tree | 7c210e4a03f09c12f302a8f4800e1258660c1068 /include | |
| parent | fd558d186df2c13a22455373858bae634a4795af (diff) | |
| download | lwn-63f96072f9ba430aa348bc987c3d5a4f48bae301.tar.gz lwn-63f96072f9ba430aa348bc987c3d5a4f48bae301.zip | |
ppp: Add ppp_dev_name() exported function
ppp_dev_name() gives PPP users visibility of a ppp channel's device
name. This can be used by L2TP drivers to dump the assigned PPP
interface name.
Signed-off-by: James Chapman <jchapman@katalix.com>
Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ppp_channel.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ppp_channel.h b/include/linux/ppp_channel.h index 0d3fa63e90ea..bff98ec1bfed 100644 --- a/include/linux/ppp_channel.h +++ b/include/linux/ppp_channel.h @@ -72,6 +72,9 @@ extern int ppp_channel_index(struct ppp_channel *); /* Get the unit number associated with a channel, or -1 if none */ extern int ppp_unit_number(struct ppp_channel *); +/* Get the device name associated with a channel, or NULL if none */ +extern char *ppp_dev_name(struct ppp_channel *); + /* * SMP locking notes: * The channel code must ensure that when it calls ppp_unregister_channel, |