net/sched: act_mirred: Rename tcfm_ok_push to tcfm_mac_header_xmit and make it a...

'tcfm_ok_push' specifies whether a mac_len sized push is needed upon
egress to the target device (if action is performed at ingress).

Rename it to 'tcfm_mac_header_xmit' as this is actually an attribute of
the target device (and use a bool instead of int).

This allows to decouple the attribute from the action to be taken.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h
index 62770ad..9543109 100644 (file)
--- a/include/net/tc_act/tc_mirred.h
+++ b/include/net/tc_act/tc_mirred.h
@@ -8,7 +8,7 @@ struct tcf_mirred {
        struct tc_action        common;
        int                     tcfm_eaction;
        int                     tcfm_ifindex;
-       int                     tcfm_ok_push;
+       bool                    tcfm_mac_header_xmit;
        struct net_device __rcu *tcfm_dev;
        struct list_head        tcfm_list;
 };

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 667dc38..16e17a8 100644 (file)
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -60,11 +60,12 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 {
        struct tc_action_net *tn = net_generic(net, mirred_net_id);
        struct nlattr *tb[TCA_MIRRED_MAX + 1];
+       bool mac_header_xmit = false;
        struct tc_mirred *parm;
        struct tcf_mirred *m;
        struct net_device *dev;
-       int ret, ok_push = 0;
        bool exists = false;
+       int ret;
 
        if (nla == NULL)
                return -EINVAL;
@@ -102,10 +103,10 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
                case ARPHRD_IPGRE:
                case ARPHRD_VOID:
                case ARPHRD_NONE:
-                       ok_push = 0;
+                       mac_header_xmit = false;
                        break;
                default:
-                       ok_push = 1;
+                       mac_header_xmit = true;
                        break;
                }
        } else {
@@ -136,7 +137,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
                        dev_put(rcu_dereference_protected(m->tcfm_dev, 1));
                dev_hold(dev);
                rcu_assign_pointer(m->tcfm_dev, dev);
-               m->tcfm_ok_push = ok_push;
+               m->tcfm_mac_header_xmit = mac_header_xmit;
        }
 
        if (ret == ACT_P_CREATED) {
@@ -181,7 +182,7 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
                goto out;
 
        if (!(at & AT_EGRESS)) {
-               if (m->tcfm_ok_push)
+               if (m->tcfm_mac_header_xmit)
                        skb_push_rcsum(skb2, skb->mac_len);
        }