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path: root/package/network/services/ppp/patches/430-pppol2tpv3-struct.patch
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pppol2tp: Provide struct pppol2tpv3_addr to align with Linux

The struct pppol2tpv3_addr is referenced in the current Linux kernel sources
but not provided by the shipped kernel headers, add it.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

--- a/include/linux/if_pppol2tp.h
+++ b/include/linux/if_pppol2tp.h
@@ -32,6 +32,46 @@ struct pppol2tp_addr
 	__u16 d_tunnel, d_session;	/* For sending outgoing packets */
 };
 
+/* Structure used to connect() the socket to a particular tunnel UDP
+ * socket over IPv6.
+ */
+struct pppol2tpin6_addr
+{
+	pid_t	pid;		/* pid that owns the fd.
+					 * 0 => current */
+	int	fd;			/* FD of UDP socket to use */
+
+	__u16 s_tunnel, s_session;	/* For matching incoming packets */
+	__u16 d_tunnel, d_session;	/* For sending outgoing packets */
+
+	struct sockaddr_in6 addr;	/* IP address and port to send to */
+};
+
+/* The L2TPv3 protocol changes tunnel and session ids from 16 to 32
+ * bits. So we need a different sockaddr structure.
+ */
+struct pppol2tpv3_addr {
+	pid_t	pid;			/* pid that owns the fd.
+					 * 0 => current */
+	int	fd;			/* FD of UDP or IP socket to use */
+
+	struct sockaddr_in addr;	/* IP address and port to send to */
+
+	__u32 s_tunnel, s_session;	/* For matching incoming packets */
+	__u32 d_tunnel, d_session;	/* For sending outgoing packets */
+};
+
+struct pppol2tpv3in6_addr {
+	pid_t	pid;		/* pid that owns the fd.
+					 * 0 => current */
+	int	fd;			/* FD of UDP or IP socket to use */
+
+	__u32 s_tunnel, s_session;	/* For matching incoming packets */
+	__u32 d_tunnel, d_session;	/* For sending outgoing packets */
+
+	struct sockaddr_in6 addr;	/* IP address and port to send to */
+};
+
 /* Socket options:
  * DEBUG	- bitmask of debug message categories
  * SENDSEQ	- 0 => don't send packets with sequence numbers