net: sched: Add helpers to identify classids
Offloading drivers need to understand what qdisc class a filter is added to. Currently they only need to identify ingress, clsact->ingress and clsact->egress. So provide these helpers. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -5,6 +5,7 @@
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#include <linux/ktime.h>
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#include <linux/if_vlan.h>
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#include <net/sch_generic.h>
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#include <uapi/linux/pkt_sched.h>
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#define DEFAULT_TX_QUEUE_LEN 1000
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@ -132,4 +133,17 @@ static inline unsigned int psched_mtu(const struct net_device *dev)
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return dev->mtu + dev->hard_header_len;
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}
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static inline bool is_classid_clsact_ingress(u32 classid)
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{
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/* This also returns true for ingress qdisc */
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return TC_H_MAJ(classid) == TC_H_MAJ(TC_H_CLSACT) &&
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TC_H_MIN(classid) != TC_H_MIN(TC_H_MIN_EGRESS);
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}
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static inline bool is_classid_clsact_egress(u32 classid)
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{
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return TC_H_MAJ(classid) == TC_H_MAJ(TC_H_CLSACT) &&
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TC_H_MIN(classid) == TC_H_MIN(TC_H_MIN_EGRESS);
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}
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#endif
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