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tipc: add sock dump to new netlink api

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Add TIPC_NL_SOCK_GET command to the new tipc netlink API.

This command supports dumping of all available sockets with their
associated connection or publication(s). It could be extended to reply
with a single socket if the NLM_F_DUMP isn't set.

The information about a socket includes reference, address, connection
information / publication information.

Netlink logical layout of response message:
-> socket
    -> reference
    -> address
    [
    -> connection
        -> node
        -> socket
        [
        -> connected flag
        -> type
        -> instance
        ]
    ]
    [
    -> publication flag
    ]

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@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
2014-11-20 10:29:10 +01:00
committed by David S. Miller
parent 315c00bc9f
commit 34b78a127c
4 changed files with 138 additions and 0 deletions
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28
include/uapi/linux/tipc_netlink.h
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@@ -45,6 +45,7 @@ enum {
TIPC_NL_BEARER_ENABLE,
TIPC_NL_BEARER_GET,
TIPC_NL_BEARER_SET,
TIPC_NL_SOCK_GET,
__TIPC_NL_CMD_MAX,
TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1
@@ -54,6 +55,7 @@ enum {
enum {
TIPC_NLA_UNSPEC,
TIPC_NLA_BEARER, /* nest */
TIPC_NLA_SOCK, /* nest */
__TIPC_NLA_MAX,
TIPC_NLA_MAX = __TIPC_NLA_MAX - 1
@@ -70,6 +72,32 @@ enum {
TIPC_NLA_BEARER_MAX = __TIPC_NLA_BEARER_MAX - 1
};
/* Socket info */
enum {
TIPC_NLA_SOCK_UNSPEC,
TIPC_NLA_SOCK_ADDR, /* u32 */
TIPC_NLA_SOCK_REF, /* u32 */
TIPC_NLA_SOCK_CON, /* nest */
TIPC_NLA_SOCK_HAS_PUBL, /* flag */
__TIPC_NLA_SOCK_MAX,
TIPC_NLA_SOCK_MAX = __TIPC_NLA_SOCK_MAX - 1
};
/* Nest, connection info */
enum {
TIPC_NLA_CON_UNSPEC,
TIPC_NLA_CON_FLAG, /* flag */
TIPC_NLA_CON_NODE, /* u32 */
TIPC_NLA_CON_SOCK, /* u32 */
TIPC_NLA_CON_TYPE, /* u32 */
TIPC_NLA_CON_INST, /* u32 */
__TIPC_NLA_CON_MAX,
TIPC_NLA_CON_MAX = __TIPC_NLA_CON_MAX - 1
};
/* Nest, link propreties. Valid for link, media and bearer */
enum {
TIPC_NLA_PROP_UNSPEC,