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tipc: add the ability to get UDP options via netlink

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Add UDP bearer options to netlink bearer get message. This is used by
the tipc user space tool to display UDP options.

The UDP bearer information is passed using either a sockaddr_in or
sockaddr_in6 structs. This means the user space receiver should
intermediately store the retrieved data in a large enough struct
(sockaddr_strage) before casting to the proper IP version type.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe 2016-08-26 10:52:55 +02:00 • committed by David S. Miller
parent c9b64d492b
commit fdb3accc2c
4 changed files with 72 additions and 0 deletions
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2
include/uapi/linux/tipc_netlink.h
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@ -61,6 +61,7 @@ enum {
TIPC_NL_MON_PEER_GET,
TIPC_NL_PEER_REMOVE,
TIPC_NL_BEARER_ADD,
TIPC_NL_UDP_GET_REMOTEIP,
__TIPC_NL_CMD_MAX,
TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1
@ -100,6 +101,7 @@ enum {
TIPC_NLA_UDP_UNSPEC,
TIPC_NLA_UDP_LOCAL, /* sockaddr_storage */
TIPC_NLA_UDP_REMOTE, /* sockaddr_storage */
TIPC_NLA_UDP_MULTI_REMOTEIP, /* flag */
__TIPC_NLA_UDP_MAX,
TIPC_NLA_UDP_MAX = __TIPC_NLA_UDP_MAX - 1