diff options
Diffstat (limited to 'net/sched/act_connmark.c')
| -rw-r--r-- | net/sched/act_connmark.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index e4b880fa51fe..54c0bf54f2ac 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -31,8 +31,8 @@ static unsigned int connmark_net_id; static struct tc_action_ops act_connmark_ops; -static int tcf_connmark(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +static int tcf_connmark_act(struct sk_buff *skb, const struct tc_action *a, + struct tcf_result *res) { const struct nf_conntrack_tuple_hash *thash; struct nf_conntrack_tuple tuple; @@ -96,7 +96,7 @@ static const struct nla_policy connmark_policy[TCA_CONNMARK_MAX + 1] = { static int tcf_connmark_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, - int ovr, int bind, + int ovr, int bind, bool rtnl_held, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, connmark_net_id); @@ -118,11 +118,14 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, parm = nla_data(tb[TCA_CONNMARK_PARMS]); - if (!tcf_idr_check(tn, parm->index, a, bind)) { + ret = tcf_idr_check_alloc(tn, &parm->index, a, bind); + if (!ret) { ret = tcf_idr_create(tn, parm->index, est, a, &act_connmark_ops, bind, false); - if (ret) + if (ret) { + tcf_idr_cleanup(tn, parm->index); return ret; + } ci = to_connmark(*a); ci->tcf_action = parm->action; @@ -131,16 +134,18 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, tcf_idr_insert(tn, *a); ret = ACT_P_CREATED; - } else { + } else if (ret > 0) { ci = to_connmark(*a); if (bind) return 0; - tcf_idr_release(*a, bind); - if (!ovr) + if (!ovr) { + tcf_idr_release(*a, bind); return -EEXIST; + } /* replacing action and zone */ ci->tcf_action = parm->action; ci->zone = parm->zone; + ret = 0; } return ret; @@ -154,8 +159,8 @@ static inline int tcf_connmark_dump(struct sk_buff *skb, struct tc_action *a, struct tc_connmark opt = { .index = ci->tcf_index, - .refcnt = ci->tcf_refcnt - ref, - .bindcnt = ci->tcf_bindcnt - bind, + .refcnt = refcount_read(&ci->tcf_refcnt) - ref, + .bindcnt = atomic_read(&ci->tcf_bindcnt) - bind, .action = ci->tcf_action, .zone = ci->zone, }; @@ -193,15 +198,23 @@ static int tcf_connmark_search(struct net *net, struct tc_action **a, u32 index, return tcf_idr_search(tn, a, index); } +static int tcf_connmark_delete(struct net *net, u32 index) +{ + struct tc_action_net *tn = net_generic(net, connmark_net_id); + + return tcf_idr_delete_index(tn, index); +} + static struct tc_action_ops act_connmark_ops = { .kind = "connmark", .type = TCA_ACT_CONNMARK, .owner = THIS_MODULE, - .act = tcf_connmark, + .act = tcf_connmark_act, .dump = tcf_connmark_dump, .init = tcf_connmark_init, .walk = tcf_connmark_walker, .lookup = tcf_connmark_search, + .delete = tcf_connmark_delete, .size = sizeof(struct tcf_connmark_info), }; @@ -239,4 +252,3 @@ module_exit(connmark_cleanup_module); MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>"); MODULE_DESCRIPTION("Connection tracking mark restoring"); MODULE_LICENSE("GPL"); - |