diff options
| author | Richard Alpe <richard.alpe@ericsson.com> | 2014-11-20 10:29:09 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-21 15:01:30 -0500 |
| commit | 315c00bc9f2bd17f7ad7ed8119ca49b1125af507 (patch) | |
| tree | dfa45dd6c8ee275b7b708fb96838d48e492919c7 | |
| parent | 35b9dd7607f049466a66427e58818b29aeae9ea7 (diff) | |
| download | linux-315c00bc9f2bd17f7ad7ed8119ca49b1125af507.tar.bz2 | |
tipc: add bearer set to new netlink api
Add TIPC_NL_BEARER_SET command to the new tipc netlink API.
This command can set one or more link properties for a particular
bearer.
Netlink logical layout of bearer set message:
-> bearer
-> 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 | 49 | ||||
| -rw-r--r-- | net/tipc/bearer.h | 1 | ||||
| -rw-r--r-- | net/tipc/netlink.c | 5 |
4 files changed, 56 insertions, 0 deletions
diff --git a/include/uapi/linux/tipc_netlink.h b/include/uapi/linux/tipc_netlink.h index 249ec7e9952c..f446fba6a0c7 100644 --- a/include/uapi/linux/tipc_netlink.h +++ b/include/uapi/linux/tipc_netlink.h @@ -44,6 +44,7 @@ enum { TIPC_NL_BEARER_DISABLE, TIPC_NL_BEARER_ENABLE, TIPC_NL_BEARER_GET, + TIPC_NL_BEARER_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 d49b8c25dd11..6d547d0b3f31 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -849,3 +849,52 @@ int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info) return 0; } + +int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info) +{ + int err; + char *name; + struct tipc_bearer *b; + struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1]; + + if (!info->attrs[TIPC_NLA_BEARER]) + return -EINVAL; + + err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, + info->attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy); + if (err) + return err; + + if (!attrs[TIPC_NLA_BEARER_NAME]) + return -EINVAL; + name = nla_data(attrs[TIPC_NLA_BEARER_NAME]); + + rtnl_lock(); + b = tipc_bearer_find(name); + if (!b) { + rtnl_unlock(); + return -EINVAL; + } + + if (attrs[TIPC_NLA_BEARER_PROP]) { + struct nlattr *props[TIPC_NLA_PROP_MAX + 1]; + + err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_BEARER_PROP], + props); + if (err) { + rtnl_unlock(); + return err; + } + + if (props[TIPC_NLA_PROP_TOL]) + b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]); + if (props[TIPC_NLA_PROP_PRIO]) + b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]); + if (props[TIPC_NLA_PROP_WIN]) + b->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 2d07e35f91fc..c6cf9df31375 100644 --- a/net/tipc/bearer.h +++ b/net/tipc/bearer.h @@ -182,6 +182,7 @@ int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info); int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info); int tipc_nl_bearer_dump(struct sk_buff *skb, struct netlink_callback *cb); int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_bearer_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 0c00422512fa..a5291314a210 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -118,6 +118,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = { .doit = tipc_nl_bearer_get, .dumpit = tipc_nl_bearer_dump, .policy = tipc_nl_policy, + }, + { + .cmd = TIPC_NL_BEARER_SET, + .doit = tipc_nl_bearer_set, + .policy = tipc_nl_policy, } }; |