sched: Call skb_get_hash_perturb in sch_hhf

#include <linux/module.h>

#include <linux/skbuff.h>

#include <linux/vmalloc.h>

#include <net/flow_keys.h>

#include <net/pkt_sched.h>

#include <net/sock.h>

	return jiffies;

}

static unsigned int skb_hash(const struct hhf_sched_data *q,

			     const struct sk_buff *skb)

{

	struct flow_keys keys;

	unsigned int hash;

	if (skb->sk && skb->sk->sk_hash)

		return skb->sk->sk_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);

	return hash;

}

/* Looks up a heavy-hitter flow in a chaining list of table T. */

static struct hh_flow_state *seek_list(const u32 hash,

				       struct list_head *head,

	}

	/* Get hashed flow-id of the skb. */

	hash = skb_hash(q, skb);

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

	/* Check if this packet belongs to an already established HH flow. */

	flow_pos = hash & HHF_BIT_MASK;