From: Greg Kroah-Hartman <[email protected]>
From: Vladimir Oltean <[email protected]>
commit f1becbed411c6fa29d7ce3def3a1dcd4f63f2d74 upstream.
An attempt is made to warn the user about the fact that VCAP IS1 cannot
offload keys matching on destination IP (at least given the current half
key format), but sadly that warning fails miserably in practice, due to
the fact that it operates on an uninitialized "match" variable. We must
first decode the keys from the flow rule.
Fixes: 75944fda1dfe ("net: mscc: ocelot: offload ingress skbedit and vlan
actions to VCAP IS1")
Reported-by: Colin Ian King <[email protected]>
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Colin Ian King <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mscc/ocelot_flower.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/mscc/ocelot_flower.c
+++ b/drivers/net/ethernet/mscc/ocelot_flower.c
@@ -540,13 +540,14 @@ ocelot_flower_parse_key(struct ocelot *o
return -EOPNOTSUPP;
}
+ flow_rule_match_ipv4_addrs(rule, &match);
+
if (filter->block_id == VCAP_IS1 && *(u32 *)&match.mask->dst) {
NL_SET_ERR_MSG_MOD(extack,
"Key type S1_NORMAL cannot match on
destination IP");
return -EOPNOTSUPP;
}
- flow_rule_match_ipv4_addrs(rule, &match);
tmp = &filter->key.ipv4.sip.value.addr[0];
memcpy(tmp, &match.key->src, 4);
