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net: sched: Add helpers to identify classids

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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>
This commit is contained in:
Jiri Pirko 2017-08-09 14:30:31 +02:00 committed by David S. Miller
parent c5ebc4409f
commit 861932ecc3
1 changed files with 14 additions and 0 deletions
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14
include/net/pkt_sched.h
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@ -5,6 +5,7 @@
#include <linux/ktime.h>
#include <linux/if_vlan.h>
#include <net/sch_generic.h>
#include <uapi/linux/pkt_sched.h>
#define DEFAULT_TX_QUEUE_LEN 1000
@ -132,4 +133,17 @@ static inline unsigned int psched_mtu(const struct net_device *dev)
return dev->mtu + dev->hard_header_len;
}
static inline bool is_classid_clsact_ingress(u32 classid)
{
/* This also returns true for ingress qdisc */
return TC_H_MAJ(classid) == TC_H_MAJ(TC_H_CLSACT) &&
TC_H_MIN(classid) != TC_H_MIN(TC_H_MIN_EGRESS);
}
static inline bool is_classid_clsact_egress(u32 classid)
{
return TC_H_MAJ(classid) == TC_H_MAJ(TC_H_CLSACT) &&
TC_H_MIN(classid) == TC_H_MIN(TC_H_MIN_EGRESS);
}
#endif