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Commit 596e2024 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

team: lb: push hash counting into separate function 



Also squash hash into one byte

Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5149ee58

drivers/net/team/team_mode_loadbalance.c

+16 −7
Original line number Diff line number Diff line
@@ -27,18 +27,27 @@ static struct lb_priv *lb_priv(struct team *team) 
	return (struct lb_priv *) &team->mode_priv;

}



static bool lb_transmit(struct team *team, struct sk_buff *skb)

static unsigned char lb_get_skb_hash(struct lb_priv *lb_priv,

				     struct sk_buff *skb)

{

	struct sk_filter *fp;

	uint32_t lhash;

	unsigned char *c;



	fp = rcu_dereference(lb_priv->fp);

	if (unlikely(!fp))

		return 0;

	lhash = SK_RUN_FILTER(fp, skb);

	c = (char *) &lhash;

	return c[0] ^ c[1] ^ c[2] ^ c[3];

}



static bool lb_transmit(struct team *team, struct sk_buff *skb)

{

	struct team_port *port;

	unsigned int hash;

	int port_index;



	fp = rcu_dereference(lb_priv(team)->fp);

	if (unlikely(!fp))

		goto drop;

	hash = SK_RUN_FILTER(fp, skb);

	port_index = hash % team->en_port_count;

	port_index = lb_get_skb_hash(lb_priv(team), skb) % team->en_port_count;

	port = team_get_port_by_index_rcu(team, port_index);

	if (unlikely(!port))

		goto drop;