kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

team: lb: push hash counting into separate function

Browse source 
Also squash hash into one byte

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2012-06-19 05:54:06 +00:00 committed by David S. Miller
parent 5149ee5838
commit 596e2024c4
1 changed files with 16 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
drivers/net/team/team_mode_loadbalance.c
View file

@ -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;