diff options
| 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 | |
| parent | 46f15c6794fb744bb7741d26143a85b9012c10d4 (diff) | |
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>
| -rw-r--r-- | include/uapi/linux/tipc_netlink.h | 1 | ||||
| -rw-r--r-- | net/tipc/bearer.c | 47 | ||||
| -rw-r--r-- | net/tipc/bearer.h | 1 | ||||
| -rw-r--r-- | net/tipc/netlink.c | 5 |
4 files changed, 54 insertions, 0 deletions
diff --git a/include/uapi/linux/tipc_netlink.h b/include/uapi/linux/tipc_netlink.h index 4101b70991cc..43beef28d67f 100644 --- a/include/uapi/linux/tipc_netlink.h +++ b/include/uapi/linux/tipc_netlink.h @@ -51,6 +51,7 @@ enum { TIPC_NL_LINK_SET, TIPC_NL_LINK_RESET_STATS, TIPC_NL_MEDIA_GET, + TIPC_NL_MEDIA_SET, __TIPC_NL_CMD_MAX, TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1 diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 26630a51fcae..5f6f32369c16 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; +} diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h index bacd225bccfb..b1d905209e83 100644 --- a/net/tipc/bearer.h +++ b/net/tipc/bearer.h @@ -186,6 +186,7 @@ int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info); int tipc_nl_media_dump(struct sk_buff *skb, struct netlink_callback *cb); int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info); int tipc_media_set_priority(const char *name, u32 new_value); int tipc_media_set_window(const char *name, u32 new_value); diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index 742e51a0afbb..8673e370b7ed 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -161,6 +161,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = { .doit = tipc_nl_media_get, .dumpit = tipc_nl_media_dump, .policy = tipc_nl_policy, + }, + { + .cmd = TIPC_NL_MEDIA_SET, + .doit = tipc_nl_media_set, + .policy = tipc_nl_policy, } }; |