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net/l2tp: add support for L2TP over IPv6 UDP

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Now that encap_rcv() works on IPv6 UDP sockets, wire L2TP up to IPv6.
Support has been tested with and without hardware offloading.  This
version fixes the L2TP over localhost issue with incorrect checksums
being reported.

Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Benjamin LaHaise 2012-04-27 08:24:18 +00:00 • committed by David S. Miller
parent d7f3f62167
commit d2cf336167
4 changed files with 156 additions and 13 deletions
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12
include/linux/if_pppox.h
View file

@ -83,6 +83,12 @@ struct sockaddr_pppol2tp {
struct pppol2tp_addr pppol2tp;
} __attribute__((packed));
struct sockaddr_pppol2tpin6 {
__kernel_sa_family_t sa_family; /* address family, AF_PPPOX */
unsigned int sa_protocol; /* protocol identifier */
struct pppol2tpin6_addr pppol2tp;
} __attribute__((packed));
/* The L2TPv3 protocol changes tunnel and session ids from 16 to 32
* bits. So we need a different sockaddr structure.
*/
@ -92,6 +98,12 @@ struct sockaddr_pppol2tpv3 {
struct pppol2tpv3_addr pppol2tp;
} __attribute__((packed));
struct sockaddr_pppol2tpv3in6 {
__kernel_sa_family_t sa_family; /* address family, AF_PPPOX */
unsigned int sa_protocol; /* protocol identifier */
struct pppol2tpv3in6_addr pppol2tp;
} __attribute__((packed));
/*********************************************************************
*
* ioctl interface for defining forwarding of connections