[NET_SCHED]: cls_flow: support classification based on VLAN tag

[cascardo/linux.git] / net / sched / act_pedit.c

diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 45b3cda..3cc4cb9 100644 (file)
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -9,26 +9,15 @@
  * Authors:    Jamal Hadi Salim (2002-4)
  */
 
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/bitops.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/socket.h>
-#include <linux/sockios.h>
-#include <linux/in.h>
 #include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/proc_fs.h>
 #include <net/netlink.h>
-#include <net/sock.h>
 #include <net/pkt_sched.h>
 #include <linux/tc_act/tc_pedit.h>
 #include <net/tc_act/tc_pedit.h>
@@ -44,26 +33,33 @@ static struct tcf_hashinfo pedit_hash_info = {
        .lock   =       &pedit_lock,
 };
 
-static int tcf_pedit_init(struct rtattr *rta, struct rtattr *est,
+static const struct nla_policy pedit_policy[TCA_PEDIT_MAX + 1] = {
+       [TCA_PEDIT_PARMS]       = { .len = sizeof(struct tcf_pedit) },
+};
+
+static int tcf_pedit_init(struct nlattr *nla, struct nlattr *est,
                          struct tc_action *a, int ovr, int bind)
 {
-       struct rtattr *tb[TCA_PEDIT_MAX];
+       struct nlattr *tb[TCA_PEDIT_MAX + 1];
        struct tc_pedit *parm;
-       int ret = 0;
+       int ret = 0, err;
        struct tcf_pedit *p;
        struct tcf_common *pc;
        struct tc_pedit_key *keys = NULL;
        int ksize;
 
-       if (rta == NULL || rtattr_parse_nested(tb, TCA_PEDIT_MAX, rta) < 0)
+       if (nla == NULL)
                return -EINVAL;
 
-       if (tb[TCA_PEDIT_PARMS - 1] == NULL ||
-           RTA_PAYLOAD(tb[TCA_PEDIT_PARMS-1]) < sizeof(*parm))
+       err = nla_parse_nested(tb, TCA_PEDIT_MAX, nla, pedit_policy);
+       if (err < 0)
+               return err;
+
+       if (tb[TCA_PEDIT_PARMS] == NULL)
                return -EINVAL;
-       parm = RTA_DATA(tb[TCA_PEDIT_PARMS-1]);
+       parm = nla_data(tb[TCA_PEDIT_PARMS]);
        ksize = parm->nkeys * sizeof(struct tc_pedit_key);
-       if (RTA_PAYLOAD(tb[TCA_PEDIT_PARMS-1]) < sizeof(*parm) + ksize)
+       if (nla_len(tb[TCA_PEDIT_PARMS]) < sizeof(*parm) + ksize)
                return -EINVAL;
 
        pc = tcf_hash_check(parm->index, a, bind, &pedit_hash_info);
@@ -164,8 +160,7 @@ static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
                                printk("offset must be on 32 bit boundaries\n");
                                goto bad;
                        }
-                       if (skb->len < 0 ||
-                           (offset > 0 && offset > skb->len)) {
+                       if (offset > 0 && offset > skb->len) {
                                printk("offset %d cant exceed pkt length %d\n",
                                       offset, skb->len);
                                goto bad;
@@ -218,15 +213,15 @@ static int tcf_pedit_dump(struct sk_buff *skb, struct tc_action *a,
        opt->refcnt = p->tcf_refcnt - ref;
        opt->bindcnt = p->tcf_bindcnt - bind;
 
-       RTA_PUT(skb, TCA_PEDIT_PARMS, s, opt);
+       NLA_PUT(skb, TCA_PEDIT_PARMS, s, opt);
        t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install);
        t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse);
        t.expires = jiffies_to_clock_t(p->tcf_tm.expires);
-       RTA_PUT(skb, TCA_PEDIT_TM, sizeof(t), &t);
+       NLA_PUT(skb, TCA_PEDIT_TM, sizeof(t), &t);
        kfree(opt);
        return skb->len;
 
-rtattr_failure:
+nla_put_failure:
        nlmsg_trim(skb, b);
        kfree(opt);
        return -1;