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Diffstat (limited to 'net/sched/act_vlan.c')
-rw-r--r--net/sched/act_vlan.c71
1 files changed, 34 insertions, 37 deletions
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index 756e2dcde1cd..a74621797d69 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -12,19 +12,19 @@
#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
+#include <net/tc_wrapper.h>
#include <linux/tc_act/tc_vlan.h>
#include <net/tc_act/tc_vlan.h>
-static unsigned int vlan_net_id;
static struct tc_action_ops act_vlan_ops;
-static int tcf_vlan_act(struct sk_buff *skb, const struct tc_action *a,
- struct tcf_result *res)
+TC_INDIRECT_SCOPE int tcf_vlan_act(struct sk_buff *skb,
+ const struct tc_action *a,
+ struct tcf_result *res)
{
struct tcf_vlan *v = to_vlan(a);
struct tcf_vlan_params *p;
- int action;
int err;
u16 tci;
@@ -37,8 +37,6 @@ static int tcf_vlan_act(struct sk_buff *skb, const struct tc_action *a,
if (skb_at_tc_ingress(skb))
skb_push_rcsum(skb, skb->mac_len);
- action = READ_ONCE(v->tcf_action);
-
p = rcu_dereference_bh(v->vlan_p);
switch (p->tcfv_action) {
@@ -95,7 +93,8 @@ out:
if (skb_at_tc_ingress(skb))
skb_pull_rcsum(skb, skb->mac_len);
- return action;
+ skb_reset_mac_len(skb);
+ return p->action;
drop:
tcf_action_inc_drop_qstats(&v->common);
@@ -117,7 +116,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
struct tcf_proto *tp, u32 flags,
struct netlink_ext_ack *extack)
{
- struct tc_action_net *tn = net_generic(net, vlan_net_id);
+ struct tc_action_net *tn = net_generic(net, act_vlan_ops.net_id);
bool bind = flags & TCA_ACT_FLAGS_BIND;
struct nlattr *tb[TCA_VLAN_MAX + 1];
struct tcf_chain *goto_ch = NULL;
@@ -150,7 +149,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
switch (parm->v_action) {
case TCA_VLAN_ACT_POP:
@@ -253,6 +252,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
ETH_ALEN);
}
+ p->action = parm->action;
spin_lock_bh(&v->tcf_lock);
goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
p = rcu_replace_pointer(v->vlan_p, p, lockdep_is_held(&v->tcf_lock));
@@ -295,9 +295,9 @@ static int tcf_vlan_dump(struct sk_buff *skb, struct tc_action *a,
};
struct tcf_t t;
- spin_lock_bh(&v->tcf_lock);
- opt.action = v->tcf_action;
- p = rcu_dereference_protected(v->vlan_p, lockdep_is_held(&v->tcf_lock));
+ rcu_read_lock();
+ p = rcu_dereference(v->vlan_p);
+ opt.action = p->action;
opt.v_action = p->tcfv_action;
if (nla_put(skb, TCA_VLAN_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
@@ -323,26 +323,16 @@ static int tcf_vlan_dump(struct sk_buff *skb, struct tc_action *a,
tcf_tm_dump(&t, &v->tcf_tm);
if (nla_put_64bit(skb, TCA_VLAN_TM, sizeof(t), &t, TCA_VLAN_PAD))
goto nla_put_failure;
- spin_unlock_bh(&v->tcf_lock);
+ rcu_read_unlock();
return skb->len;
nla_put_failure:
- spin_unlock_bh(&v->tcf_lock);
+ rcu_read_unlock();
nlmsg_trim(skb, b);
return -1;
}
-static int tcf_vlan_walker(struct net *net, struct sk_buff *skb,
- struct netlink_callback *cb, int type,
- const struct tc_action_ops *ops,
- struct netlink_ext_ack *extack)
-{
- struct tc_action_net *tn = net_generic(net, vlan_net_id);
-
- return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
static void tcf_vlan_stats_update(struct tc_action *a, u64 bytes, u64 packets,
u64 drops, u64 lastuse, bool hw)
{
@@ -353,13 +343,6 @@ static void tcf_vlan_stats_update(struct tc_action *a, u64 bytes, u64 packets,
tm->lastuse = max_t(u64, tm->lastuse, lastuse);
}
-static int tcf_vlan_search(struct net *net, struct tc_action **a, u32 index)
-{
- struct tc_action_net *tn = net_generic(net, vlan_net_id);
-
- return tcf_idr_search(tn, a, index);
-}
-
static size_t tcf_vlan_get_fill_size(const struct tc_action *act)
{
return nla_total_size(sizeof(struct tc_vlan))
@@ -369,7 +352,8 @@ static size_t tcf_vlan_get_fill_size(const struct tc_action *act)
}
static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data,
- u32 *index_inc, bool bind)
+ u32 *index_inc, bool bind,
+ struct netlink_ext_ack *extack)
{
if (bind) {
struct flow_action_entry *entry = entry_data;
@@ -390,7 +374,15 @@ static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data,
entry->vlan.proto = tcf_vlan_push_proto(act);
entry->vlan.prio = tcf_vlan_push_prio(act);
break;
+ case TCA_VLAN_ACT_POP_ETH:
+ entry->id = FLOW_ACTION_VLAN_POP_ETH;
+ break;
+ case TCA_VLAN_ACT_PUSH_ETH:
+ entry->id = FLOW_ACTION_VLAN_PUSH_ETH;
+ tcf_vlan_push_eth(entry->vlan_push_eth.src, entry->vlan_push_eth.dst, act);
+ break;
default:
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported vlan action mode offload");
return -EOPNOTSUPP;
}
*index_inc = 1;
@@ -407,6 +399,12 @@ static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data,
case TCA_VLAN_ACT_MODIFY:
fl_action->id = FLOW_ACTION_VLAN_MANGLE;
break;
+ case TCA_VLAN_ACT_POP_ETH:
+ fl_action->id = FLOW_ACTION_VLAN_POP_ETH;
+ break;
+ case TCA_VLAN_ACT_PUSH_ETH:
+ fl_action->id = FLOW_ACTION_VLAN_PUSH_ETH;
+ break;
default:
return -EOPNOTSUPP;
}
@@ -423,30 +421,29 @@ static struct tc_action_ops act_vlan_ops = {
.dump = tcf_vlan_dump,
.init = tcf_vlan_init,
.cleanup = tcf_vlan_cleanup,
- .walk = tcf_vlan_walker,
.stats_update = tcf_vlan_stats_update,
.get_fill_size = tcf_vlan_get_fill_size,
- .lookup = tcf_vlan_search,
.offload_act_setup = tcf_vlan_offload_act_setup,
.size = sizeof(struct tcf_vlan),
};
+MODULE_ALIAS_NET_ACT("vlan");
static __net_init int vlan_init_net(struct net *net)
{
- struct tc_action_net *tn = net_generic(net, vlan_net_id);
+ struct tc_action_net *tn = net_generic(net, act_vlan_ops.net_id);
return tc_action_net_init(net, tn, &act_vlan_ops);
}
static void __net_exit vlan_exit_net(struct list_head *net_list)
{
- tc_action_net_exit(net_list, vlan_net_id);
+ tc_action_net_exit(net_list, act_vlan_ops.net_id);
}
static struct pernet_operations vlan_net_ops = {
.init = vlan_init_net,
.exit_batch = vlan_exit_net,
- .id = &vlan_net_id,
+ .id = &act_vlan_ops.net_id,
.size = sizeof(struct tc_action_net),
};
generated by cgit (git 2.34.1) at 2025-12-26 00:12:54 +0000