net_sched: cls: refactor out struct tcf_ext_map

These information can be saved in tcf_exts, and this will
simplify the code.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 9 deletions

diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 492d9a6401ce..20f2fb79c747 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -79,11 +79,6 @@ struct tc_u_common {
         u32                     hgenerator;
 };
 
-static const struct tcf_ext_map u32_ext_map = {
-        .action = TCA_U32_ACT,
-        .police = TCA_U32_POLICE
-};
-
 static inline unsigned int u32_hash_fold(__be32 key,
                                          const struct tc_u32_sel *sel,
                                          u8 fshift)
@@ -496,7 +491,8 @@ static int u32_set_parms(struct net *net, struct tcf_proto *tp,
         int err;
         struct tcf_exts e;
 
-        err = tcf_exts_validate(net, tp, tb, est, &e, &u32_ext_map);
+        tcf_exts_init(&e, TCA_U32_ACT, TCA_U32_POLICE);
+        err = tcf_exts_validate(net, tp, tb, est, &e);
         if (err < 0)
                 return err;
 
@@ -646,7 +642,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
         n->ht_up = ht;
         n->handle = handle;
         n->fshift = s->hmask ? ffs(ntohl(s->hmask)) - 1 : 0;
-        tcf_exts_init(&n->exts);
+        tcf_exts_init(&n->exts, TCA_U32_ACT, TCA_U32_POLICE);
 
 #ifdef CONFIG_CLS_U32_MARK
         if (tb[TCA_U32_MARK]) {
@@ -760,7 +756,7 @@ static int u32_dump(struct tcf_proto *tp, unsigned long fh,
                         goto nla_put_failure;
 #endif
 
-                if (tcf_exts_dump(skb, &n->exts, &u32_ext_map) < 0)
+                if (tcf_exts_dump(skb, &n->exts) < 0)
                         goto nla_put_failure;
 
 #ifdef CONFIG_NET_CLS_IND
@@ -779,7 +775,7 @@ static int u32_dump(struct tcf_proto *tp, unsigned long fh,
         nla_nest_end(skb, nest);
 
         if (TC_U32_KEY(n->handle))
-                if (tcf_exts_dump_stats(skb, &n->exts, &u32_ext_map) < 0)
+                if (tcf_exts_dump_stats(skb, &n->exts) < 0)
                         goto nla_put_failure;
         return skb->len;