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Commit 342db221 authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

sched: Call skb_get_hash_perturb in sch_fq_codel 



Call skb_get_hash_perturb instead of doing skb_flow_dissect and then
jhash by hand.

Signed-off-by: default avatarTom Herbert <tom@herbertland.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 50fb7992

net/sched/sch_fq_codel.c

+2 −9
Original line number Diff line number Diff line
@@ -23,7 +23,6 @@ 
#include <linux/vmalloc.h>

#include <net/netlink.h>

#include <net/pkt_sched.h>

#include <net/flow_keys.h>

#include <net/codel.h>



/*	Fair Queue CoDel.
@@ -68,15 +67,9 @@ struct fq_codel_sched_data { 
};



static unsigned int fq_codel_hash(const struct fq_codel_sched_data *q,

				  const struct sk_buff *skb)

				  struct sk_buff *skb)

{

	struct flow_keys keys;

	unsigned int hash;



	skb_flow_dissect(skb, &keys);

	hash = jhash_3words((__force u32)keys.dst,

			    (__force u32)keys.src ^ keys.ip_proto,

			    (__force u32)keys.ports, q->perturbation);

	u32 hash = skb_get_hash_perturb(skb, q->perturbation);



	return reciprocal_scale(hash, q->flows_cnt);

}