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author | Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com> | 2016-07-26 09:47:19 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-07-27 00:26:42 +0300 |
commit | 7b3f52296493656015f0c0deddb6e90e36b9cda2 (patch) | |
tree | 08a395cd2b131c0b64e3e96d1c9e543ff6d9dfd0 /net | |
parent | 9ff26e9fabaf52f28fb5e875c0b9ffc2d1512039 (diff) | |
download | linux-7b3f52296493656015f0c0deddb6e90e36b9cda2.tar.xz |
tipc: make cluster size threshold for monitoring configurable
In this commit, we introduce support to configure the minimum
threshold to activate the new link monitoring algorithm.
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/tipc/monitor.c | 12 | ||||
-rw-r--r-- | net/tipc/monitor.h | 1 | ||||
-rw-r--r-- | net/tipc/netlink.c | 15 | ||||
-rw-r--r-- | net/tipc/netlink.h | 1 | ||||
-rw-r--r-- | net/tipc/node.c | 27 | ||||
-rw-r--r-- | net/tipc/node.h | 1 |
6 files changed, 55 insertions, 2 deletions
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 0d489e81fcca..3892d05b8b45 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -649,3 +649,15 @@ void tipc_mon_delete(struct net *net, int bearer_id) kfree(self); kfree(mon); } + +int tipc_nl_monitor_set_threshold(struct net *net, u32 cluster_size) +{ + struct tipc_net *tn = tipc_net(net); + + if (cluster_size > TIPC_CLUSTER_SIZE) + return -EINVAL; + + tn->mon_threshold = cluster_size; + + return 0; +} diff --git a/net/tipc/monitor.h b/net/tipc/monitor.h index 598459cbed5d..91f5dd09432b 100644 --- a/net/tipc/monitor.h +++ b/net/tipc/monitor.h @@ -69,5 +69,6 @@ void tipc_mon_get_state(struct net *net, u32 addr, int bearer_id); void tipc_mon_remove_peer(struct net *net, u32 addr, int bearer_id); +int tipc_nl_monitor_set_threshold(struct net *net, u32 cluster_size); extern const int tipc_max_domain_size; #endif diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index 56935df2167a..1e43ac0200ed 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -52,7 +52,8 @@ static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = { [TIPC_NLA_MEDIA] = { .type = NLA_NESTED, }, [TIPC_NLA_NODE] = { .type = NLA_NESTED, }, [TIPC_NLA_NET] = { .type = NLA_NESTED, }, - [TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, } + [TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, }, + [TIPC_NLA_MON] = { .type = NLA_NESTED, }, }; const struct nla_policy @@ -61,6 +62,11 @@ tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = { [TIPC_NLA_NAME_TABLE_PUBL] = { .type = NLA_NESTED } }; +const struct nla_policy tipc_nl_monitor_policy[TIPC_NLA_MON_MAX + 1] = { + [TIPC_NLA_MON_UNSPEC] = { .type = NLA_UNSPEC }, + [TIPC_NLA_MON_ACTIVATION_THRESHOLD] = { .type = NLA_U32 }, +}; + const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = { [TIPC_NLA_SOCK_UNSPEC] = { .type = NLA_UNSPEC }, [TIPC_NLA_SOCK_ADDR] = { .type = NLA_U32 }, @@ -214,7 +220,12 @@ static const struct genl_ops tipc_genl_v2_ops[] = { .cmd = TIPC_NL_NAME_TABLE_GET, .dumpit = tipc_nl_name_table_dump, .policy = tipc_nl_policy, - } + }, + { + .cmd = TIPC_NL_MON_SET, + .doit = tipc_nl_node_set_monitor, + .policy = tipc_nl_policy, + }, }; int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr) diff --git a/net/tipc/netlink.h b/net/tipc/netlink.h index ed1dbcb4afbd..4ba0ad422110 100644 --- a/net/tipc/netlink.h +++ b/net/tipc/netlink.h @@ -55,6 +55,7 @@ extern const struct nla_policy tipc_nl_prop_policy[]; extern const struct nla_policy tipc_nl_bearer_policy[]; extern const struct nla_policy tipc_nl_media_policy[]; extern const struct nla_policy tipc_nl_udp_policy[]; +extern const struct nla_policy tipc_nl_monitor_policy[]; int tipc_netlink_start(void); int tipc_netlink_compat_start(void); diff --git a/net/tipc/node.c b/net/tipc/node.c index 95cc78b51532..0fc531d0f709 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -1928,3 +1928,30 @@ out: return skb->len; } + +int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info) +{ + struct nlattr *attrs[TIPC_NLA_MON_MAX + 1]; + struct net *net = sock_net(skb->sk); + int err; + + if (!info->attrs[TIPC_NLA_MON]) + return -EINVAL; + + err = nla_parse_nested(attrs, TIPC_NLA_MON_MAX, + info->attrs[TIPC_NLA_MON], + tipc_nl_monitor_policy); + if (err) + return err; + + if (attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD]) { + u32 val; + + val = nla_get_u32(attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD]); + err = tipc_nl_monitor_set_threshold(net, val); + if (err) + return err; + } + + return 0; +} diff --git a/net/tipc/node.h b/net/tipc/node.h index 8264b3d97dc4..65aa12ede8a5 100644 --- a/net/tipc/node.h +++ b/net/tipc/node.h @@ -78,4 +78,5 @@ int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info); int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info); int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info); #endif |