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author | Richard Alpe <richard.alpe@ericsson.com> | 2014-11-20 10:29:16 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-11-21 15:01:31 -0500 |
commit | 1e55417d8fc6f6d93b1cc6995b911d48ded2adfb (patch) | |
tree | d26540f2e2907589932f9cd6e3b2474d80cdfe69 /net/tipc/bearer.c | |
parent | 46f15c6794fb744bb7741d26143a85b9012c10d4 (diff) | |
download | op-kernel-dev-1e55417d8fc6f6d93b1cc6995b911d48ded2adfb.zip op-kernel-dev-1e55417d8fc6f6d93b1cc6995b911d48ded2adfb.tar.gz |
tipc: add media set to new netlink api
Add TIPC_NL_MEDIA_SET command to the new tipc netlink API.
This command can set one or more link properties for a particular
media.
Netlink logical layout of bearer set message:
-> media
-> name
-> link properties
[ -> tolerance ]
[ -> priority ]
[ -> window ]
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>
Diffstat (limited to 'net/tipc/bearer.c')
-rw-r--r-- | net/tipc/bearer.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 26630a5..5f6f323 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -1023,3 +1023,50 @@ err_out: return err; } + +int tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info) +{ + int err; + char *name; + struct tipc_media *m; + struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1]; + + if (!info->attrs[TIPC_NLA_MEDIA]) + return -EINVAL; + + err = nla_parse_nested(attrs, TIPC_NLA_MEDIA_MAX, + info->attrs[TIPC_NLA_MEDIA], + tipc_nl_media_policy); + + if (!attrs[TIPC_NLA_MEDIA_NAME]) + return -EINVAL; + name = nla_data(attrs[TIPC_NLA_MEDIA_NAME]); + + rtnl_lock(); + m = tipc_media_find(name); + if (!m) { + rtnl_unlock(); + return -EINVAL; + } + + if (attrs[TIPC_NLA_MEDIA_PROP]) { + struct nlattr *props[TIPC_NLA_PROP_MAX + 1]; + + err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_MEDIA_PROP], + props); + if (err) { + rtnl_unlock(); + return err; + } + + if (props[TIPC_NLA_PROP_TOL]) + m->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]); + if (props[TIPC_NLA_PROP_PRIO]) + m->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]); + if (props[TIPC_NLA_PROP_WIN]) + m->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]); + } + rtnl_unlock(); + + return 0; +} |