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[L2TP]: Changes to existing ppp and socket kernel headers for L2TP

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Add struct sockaddr_pppol2tp to carry L2TP-specific address
information for the PPPoX (PPPoL2TP) socket. Unfortunately we can't
use the union inside struct sockaddr_pppox because the L2TP-specific
data is larger than the current size of the union and we must preserve
the size of struct sockaddr_pppox for binary compatibility.

Also add a PPPIOCGL2TPSTATS ioctl to allow userspace to obtain
L2TP counters and state from the kernel.

Add new if_pppol2tp.h header.

[ Modified to use aligned_u64 in statistics structure -DaveM ]

Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
James Chapman 2007-06-27 15:43:43 -07:00 • committed by David S. Miller
parent 342f0234c7
commit cf14a4d067
5 changed files with 101 additions and 2 deletions
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1
include/linux/socket.h
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@ -287,6 +287,7 @@ struct ucred {
#define SOL_NETLINK 270
#define SOL_TIPC 271
#define SOL_RXRPC 272
#define SOL_PPPOL2TP 273
/* IPX options */
#define IPX_TYPE 1