diff options
| -rw-r--r-- | include/linux/skbuff.h | 3 | ||||
| -rw-r--r-- | include/net/sch_generic.h | 3 | ||||
| -rw-r--r-- | net/core/dev.c | 8 | ||||
| -rw-r--r-- | net/sched/act_mirred.c | 12 |
4 files changed, 12 insertions, 14 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index f738d09947b2..fab3f87e9bd1 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -590,6 +590,7 @@ static inline bool skb_mstamp_after(const struct skb_mstamp *t1, * @fclone: skbuff clone status * @ipvs_property: skbuff is owned by ipvs * @tc_skip_classify: do not classify packet. set by IFB device + * @tc_at_ingress: used within tc_classify to distinguish in/egress * @peeked: this packet has been seen already, so stats have been * done for it, don't do them again * @nf_trace: netfilter packet trace flag @@ -751,7 +752,7 @@ struct sk_buff { #endif #ifdef CONFIG_NET_CLS_ACT __u8 tc_skip_classify:1; - __u8 tc_at:2; + __u8 tc_at_ingress:1; __u8 tc_from:2; #endif diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index f80dba516964..4bd6d5387209 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -412,7 +412,6 @@ int skb_do_redirect(struct sk_buff *); static inline void skb_reset_tc(struct sk_buff *skb) { #ifdef CONFIG_NET_CLS_ACT - skb->tc_at = 0; skb->tc_from = 0; #endif } @@ -420,7 +419,7 @@ static inline void skb_reset_tc(struct sk_buff *skb) static inline bool skb_at_tc_ingress(const struct sk_buff *skb) { #ifdef CONFIG_NET_CLS_ACT - return skb->tc_at & AT_INGRESS; + return skb->tc_at_ingress; #else return false; #endif diff --git a/net/core/dev.c b/net/core/dev.c index 8b5d6d033473..c143f1391117 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3153,9 +3153,7 @@ sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev) if (!cl) return skb; - /* skb->tc_at and qdisc_skb_cb(skb)->pkt_len were already set - * earlier by the caller. - */ + /* qdisc_skb_cb(skb)->pkt_len was already set by the caller. */ qdisc_bstats_cpu_update(cl->q, skb); switch (tc_classify(skb, cl, &cl_res, false)) { @@ -3320,7 +3318,7 @@ static int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv) qdisc_pkt_len_init(skb); #ifdef CONFIG_NET_CLS_ACT - skb->tc_at = AT_EGRESS; + skb->tc_at_ingress = 0; # ifdef CONFIG_NET_EGRESS if (static_key_false(&egress_needed)) { skb = sch_handle_egress(skb, &rc, dev); @@ -3920,7 +3918,7 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, } qdisc_skb_cb(skb)->pkt_len = skb->len; - skb->tc_at = AT_INGRESS; + skb->tc_at_ingress = 1; qdisc_bstats_cpu_update(cl->q, skb); switch (tc_classify(skb, cl, &cl_res, false)) { diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 8543279bba49..e832c62fd705 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -39,15 +39,15 @@ static bool tcf_mirred_is_act_redirect(int action) return action == TCA_EGRESS_REDIR || action == TCA_INGRESS_REDIR; } -static u32 tcf_mirred_act_direction(int action) +static bool tcf_mirred_act_wants_ingress(int action) { switch (action) { case TCA_EGRESS_REDIR: case TCA_EGRESS_MIRROR: - return AT_EGRESS; + return false; case TCA_INGRESS_REDIR: case TCA_INGRESS_MIRROR: - return AT_INGRESS; + return true; default: BUG(); } @@ -198,7 +198,7 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a, * and devices expect a mac header on xmit, then mac push/pull is * needed. */ - if (skb->tc_at != tcf_mirred_act_direction(m_eaction) && + if (skb_at_tc_ingress(skb) != tcf_mirred_act_wants_ingress(m_eaction) && m_mac_header_xmit) { if (!skb_at_tc_ingress(skb)) { /* caught at egress, act ingress: pull mac */ @@ -212,11 +212,11 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a, /* mirror is always swallowed */ if (tcf_mirred_is_act_redirect(m_eaction)) - skb2->tc_from = skb2->tc_at; + skb2->tc_from = skb_at_tc_ingress(skb) ? AT_INGRESS : AT_EGRESS; skb2->skb_iif = skb->dev->ifindex; skb2->dev = dev; - if (tcf_mirred_act_direction(m_eaction) & AT_EGRESS) + if (!tcf_mirred_act_wants_ingress(m_eaction)) err = dev_queue_xmit(skb2); else err = netif_receive_skb(skb2); |