From b9022b53adad88fd6cf2b9718c9e498504f3e1dd Mon Sep 17 00:00:00 2001 From: Taehee Yoo Date: Sun, 31 Oct 2021 16:00:02 +0000 Subject: amt: add control plane of amt interface It adds definitions and control plane code for AMT. this is very similar to udp tunneling interfaces such as gtp, vxlan, etc. In the next patch, data plane code will be added. Signed-off-by: Taehee Yoo Signed-off-by: David S. Miller --- include/uapi/linux/amt.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 include/uapi/linux/amt.h (limited to 'include/uapi/linux/amt.h') diff --git a/include/uapi/linux/amt.h b/include/uapi/linux/amt.h new file mode 100644 index 000000000000..2dccff417195 --- /dev/null +++ b/include/uapi/linux/amt.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ +/* + * Copyright (c) 2021 Taehee Yoo + */ +#ifndef _UAPI_AMT_H_ +#define _UAPI_AMT_H_ + +enum ifla_amt_mode { + /* AMT interface works as Gateway mode. + * The Gateway mode encapsulates IGMP/MLD traffic and decapsulates + * multicast traffic. + */ + AMT_MODE_GATEWAY = 0, + /* AMT interface works as Relay mode. + * The Relay mode encapsulates multicast traffic and decapsulates + * IGMP/MLD traffic. + */ + AMT_MODE_RELAY, + __AMT_MODE_MAX, +}; + +#define AMT_MODE_MAX (__AMT_MODE_MAX - 1) + +enum { + IFLA_AMT_UNSPEC, + /* This attribute specify mode etier Gateway or Relay. */ + IFLA_AMT_MODE, + /* This attribute specify Relay port. + * AMT interface is created as Gateway mode, this attribute is used + * to specify relay(remote) port. + * AMT interface is created as Relay mode, this attribute is used + * as local port. + */ + IFLA_AMT_RELAY_PORT, + /* This attribute specify Gateway port. + * AMT interface is created as Gateway mode, this attribute is used + * as local port. + * AMT interface is created as Relay mode, this attribute is not used. + */ + IFLA_AMT_GATEWAY_PORT, + /* This attribute specify physical device */ + IFLA_AMT_LINK, + /* This attribute specify local ip address */ + IFLA_AMT_LOCAL_IP, + /* This attribute specify Relay ip address. + * So, this is not used by Relay. + */ + IFLA_AMT_REMOTE_IP, + /* This attribute specify Discovery ip address. + * When Gateway get started, it send discovery message to find the + * Relay's ip address. + * So, this is not used by Relay. + */ + IFLA_AMT_DISCOVERY_IP, + /* This attribute specify number of maximum tunnel. */ + IFLA_AMT_MAX_TUNNELS, + __IFLA_AMT_MAX, +}; + +#define IFLA_AMT_MAX (__IFLA_AMT_MAX - 1) + +#endif /* _UAPI_AMT_H_ */ -- cgit v1.2.3-59-g8ed1b