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authorDavid Howells <dhowells@redhat.com>2012-10-13 13:46:48 +0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 13:46:48 +0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/l2tp.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
downloadlinux-607ca46e97a1b6594b29647d98a32d545c24bdff.tar.xz
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/l2tp.h')
-rw-r--r--include/uapi/linux/l2tp.h180
1 files changed, 180 insertions, 0 deletions
diff --git a/include/uapi/linux/l2tp.h b/include/uapi/linux/l2tp.h
new file mode 100644
index 000000000000..8adb68160327
--- /dev/null
+++ b/include/uapi/linux/l2tp.h
@@ -0,0 +1,180 @@
+/*
+ * L2TP-over-IP socket for L2TPv3.
+ *
+ * Author: James Chapman <jchapman@katalix.com>
+ */
+
+#ifndef _UAPI_LINUX_L2TP_H_
+#define _UAPI_LINUX_L2TP_H_
+
+#include <linux/types.h>
+#include <linux/socket.h>
+#ifndef __KERNEL__
+#include <netinet/in.h>
+#endif
+
+#define IPPROTO_L2TP 115
+
+/**
+ * struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets
+ * @l2tp_family: address family number AF_L2TPIP.
+ * @l2tp_addr: protocol specific address information
+ * @l2tp_conn_id: connection id of tunnel
+ */
+#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
+struct sockaddr_l2tpip {
+ /* The first fields must match struct sockaddr_in */
+ __kernel_sa_family_t l2tp_family; /* AF_INET */
+ __be16 l2tp_unused; /* INET port number (unused) */
+ struct in_addr l2tp_addr; /* Internet address */
+
+ __u32 l2tp_conn_id; /* Connection ID of tunnel */
+
+ /* Pad to size of `struct sockaddr'. */
+ unsigned char __pad[sizeof(struct sockaddr) -
+ sizeof(__kernel_sa_family_t) -
+ sizeof(__be16) - sizeof(struct in_addr) -
+ sizeof(__u32)];
+};
+
+/**
+ * struct sockaddr_l2tpip6 - the sockaddr structure for L2TP-over-IPv6 sockets
+ * @l2tp_family: address family number AF_L2TPIP.
+ * @l2tp_addr: protocol specific address information
+ * @l2tp_conn_id: connection id of tunnel
+ */
+struct sockaddr_l2tpip6 {
+ /* The first fields must match struct sockaddr_in6 */
+ __kernel_sa_family_t l2tp_family; /* AF_INET6 */
+ __be16 l2tp_unused; /* INET port number (unused) */
+ __be32 l2tp_flowinfo; /* IPv6 flow information */
+ struct in6_addr l2tp_addr; /* IPv6 address */
+ __u32 l2tp_scope_id; /* scope id (new in RFC2553) */
+ __u32 l2tp_conn_id; /* Connection ID of tunnel */
+};
+
+/*****************************************************************************
+ * NETLINK_GENERIC netlink family.
+ *****************************************************************************/
+
+/*
+ * Commands.
+ * Valid TLVs of each command are:-
+ * TUNNEL_CREATE - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum, vlanid
+ * TUNNEL_DELETE - CONN_ID
+ * TUNNEL_MODIFY - CONN_ID, udpcsum
+ * TUNNEL_GETSTATS - CONN_ID, (stats)
+ * TUNNEL_GET - CONN_ID, (...)
+ * SESSION_CREATE - SESSION_ID, PW_TYPE, offset, data_seq, cookie, peer_cookie, offset, l2spec
+ * SESSION_DELETE - SESSION_ID
+ * SESSION_MODIFY - SESSION_ID, data_seq
+ * SESSION_GET - SESSION_ID, (...)
+ * SESSION_GETSTATS - SESSION_ID, (stats)
+ *
+ */
+enum {
+ L2TP_CMD_NOOP,
+ L2TP_CMD_TUNNEL_CREATE,
+ L2TP_CMD_TUNNEL_DELETE,
+ L2TP_CMD_TUNNEL_MODIFY,
+ L2TP_CMD_TUNNEL_GET,
+ L2TP_CMD_SESSION_CREATE,
+ L2TP_CMD_SESSION_DELETE,
+ L2TP_CMD_SESSION_MODIFY,
+ L2TP_CMD_SESSION_GET,
+ __L2TP_CMD_MAX,
+};
+
+#define L2TP_CMD_MAX (__L2TP_CMD_MAX - 1)
+
+/*
+ * ATTR types defined for L2TP
+ */
+enum {
+ L2TP_ATTR_NONE, /* no data */
+ L2TP_ATTR_PW_TYPE, /* u16, enum l2tp_pwtype */
+ L2TP_ATTR_ENCAP_TYPE, /* u16, enum l2tp_encap_type */
+ L2TP_ATTR_OFFSET, /* u16 */
+ L2TP_ATTR_DATA_SEQ, /* u16 */
+ L2TP_ATTR_L2SPEC_TYPE, /* u8, enum l2tp_l2spec_type */
+ L2TP_ATTR_L2SPEC_LEN, /* u8, enum l2tp_l2spec_type */
+ L2TP_ATTR_PROTO_VERSION, /* u8 */
+ L2TP_ATTR_IFNAME, /* string */
+ L2TP_ATTR_CONN_ID, /* u32 */
+ L2TP_ATTR_PEER_CONN_ID, /* u32 */
+ L2TP_ATTR_SESSION_ID, /* u32 */
+ L2TP_ATTR_PEER_SESSION_ID, /* u32 */
+ L2TP_ATTR_UDP_CSUM, /* u8 */
+ L2TP_ATTR_VLAN_ID, /* u16 */
+ L2TP_ATTR_COOKIE, /* 0, 4 or 8 bytes */
+ L2TP_ATTR_PEER_COOKIE, /* 0, 4 or 8 bytes */
+ L2TP_ATTR_DEBUG, /* u32 */
+ L2TP_ATTR_RECV_SEQ, /* u8 */
+ L2TP_ATTR_SEND_SEQ, /* u8 */
+ L2TP_ATTR_LNS_MODE, /* u8 */
+ L2TP_ATTR_USING_IPSEC, /* u8 */
+ L2TP_ATTR_RECV_TIMEOUT, /* msec */
+ L2TP_ATTR_FD, /* int */
+ L2TP_ATTR_IP_SADDR, /* u32 */
+ L2TP_ATTR_IP_DADDR, /* u32 */
+ L2TP_ATTR_UDP_SPORT, /* u16 */
+ L2TP_ATTR_UDP_DPORT, /* u16 */
+ L2TP_ATTR_MTU, /* u16 */
+ L2TP_ATTR_MRU, /* u16 */
+ L2TP_ATTR_STATS, /* nested */
+ L2TP_ATTR_IP6_SADDR, /* struct in6_addr */
+ L2TP_ATTR_IP6_DADDR, /* struct in6_addr */
+ __L2TP_ATTR_MAX,
+};
+
+#define L2TP_ATTR_MAX (__L2TP_ATTR_MAX - 1)
+
+/* Nested in L2TP_ATTR_STATS */
+enum {
+ L2TP_ATTR_STATS_NONE, /* no data */
+ L2TP_ATTR_TX_PACKETS, /* u64 */
+ L2TP_ATTR_TX_BYTES, /* u64 */
+ L2TP_ATTR_TX_ERRORS, /* u64 */
+ L2TP_ATTR_RX_PACKETS, /* u64 */
+ L2TP_ATTR_RX_BYTES, /* u64 */
+ L2TP_ATTR_RX_SEQ_DISCARDS, /* u64 */
+ L2TP_ATTR_RX_OOS_PACKETS, /* u64 */
+ L2TP_ATTR_RX_ERRORS, /* u64 */
+ __L2TP_ATTR_STATS_MAX,
+};
+
+#define L2TP_ATTR_STATS_MAX (__L2TP_ATTR_STATS_MAX - 1)
+
+enum l2tp_pwtype {
+ L2TP_PWTYPE_NONE = 0x0000,
+ L2TP_PWTYPE_ETH_VLAN = 0x0004,
+ L2TP_PWTYPE_ETH = 0x0005,
+ L2TP_PWTYPE_PPP = 0x0007,
+ L2TP_PWTYPE_PPP_AC = 0x0008,
+ L2TP_PWTYPE_IP = 0x000b,
+ __L2TP_PWTYPE_MAX
+};
+
+enum l2tp_l2spec_type {
+ L2TP_L2SPECTYPE_NONE,
+ L2TP_L2SPECTYPE_DEFAULT,
+};
+
+enum l2tp_encap_type {
+ L2TP_ENCAPTYPE_UDP,
+ L2TP_ENCAPTYPE_IP,
+};
+
+enum l2tp_seqmode {
+ L2TP_SEQ_NONE = 0,
+ L2TP_SEQ_IP = 1,
+ L2TP_SEQ_ALL = 2,
+};
+
+/*
+ * NETLINK_GENERIC related info
+ */
+#define L2TP_GENL_NAME "l2tp"
+#define L2TP_GENL_VERSION 0x1
+
+#endif /* _UAPI_LINUX_L2TP_H_ */