diff options
| author | Richard Alpe <richard.alpe@ericsson.com> | 2014-11-20 10:29:14 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-21 15:01:31 -0500 |
| commit | ae36342b50a91cff188e417201452dc075a8f444 (patch) | |
| tree | fa9b00a8a34f56f83cd90abad8d782ccb32207ce /net/tipc | |
| parent | f96ce7a20d6972a834202f3cdd6a53fd0ee26a8e (diff) | |
tipc: add link stat reset to new netlink api
Add TIPC_NL_LINK_RESET_STATS command to the new netlink API.
This command resets the link statistics for a particular link.
Netlink logical layout of link reset message:
-> link
-> name
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')
| -rw-r--r-- | net/tipc/link.c | 49 | ||||
| -rw-r--r-- | net/tipc/link.h | 1 | ||||
| -rw-r--r-- | net/tipc/netlink.c | 5 |
3 files changed, 55 insertions, 0 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c index 6785dcfd2d23..629e8cf393bf 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -2783,3 +2783,52 @@ err_out: return err; } + +int tipc_nl_link_reset_stats(struct sk_buff *skb, struct genl_info *info) +{ + int err; + char *link_name; + unsigned int bearer_id; + struct tipc_link *link; + struct tipc_node *node; + struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1]; + + if (!info->attrs[TIPC_NLA_LINK]) + return -EINVAL; + + err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX, + info->attrs[TIPC_NLA_LINK], + tipc_nl_link_policy); + if (err) + return err; + + if (!attrs[TIPC_NLA_LINK_NAME]) + return -EINVAL; + + link_name = nla_data(attrs[TIPC_NLA_LINK_NAME]); + + if (strcmp(link_name, tipc_bclink_name) == 0) { + err = tipc_bclink_reset_stats(); + if (err) + return err; + return 0; + } + + node = tipc_link_find_owner(link_name, &bearer_id); + if (!node) + return -EINVAL; + + tipc_node_lock(node); + + link = node->links[bearer_id]; + if (!link) { + tipc_node_unlock(node); + return -EINVAL; + } + + link_reset_statistics(link); + + tipc_node_unlock(node); + + return 0; +} diff --git a/net/tipc/link.h b/net/tipc/link.h index 3738ba11ce00..f463e7be801c 100644 --- a/net/tipc/link.h +++ b/net/tipc/link.h @@ -243,6 +243,7 @@ void tipc_link_retransmit(struct tipc_link *l_ptr, int tipc_nl_link_dump(struct sk_buff *skb, struct netlink_callback *cb); int tipc_nl_link_get(struct sk_buff *skb, struct genl_info *info); int tipc_nl_link_set(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_link_reset_stats(struct sk_buff *skb, struct genl_info *info); int tipc_nl_parse_link_prop(struct nlattr *prop, struct nlattr *props[]); /* diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index d4444e59bf98..68bfd11f232d 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -149,6 +149,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = { .cmd = TIPC_NL_LINK_SET, .doit = tipc_nl_link_set, .policy = tipc_nl_policy, + }, + { + .cmd = TIPC_NL_LINK_RESET_STATS, + .doit = tipc_nl_link_reset_stats, + .policy = tipc_nl_policy, } }; |