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qede: Prevent VFs from using XDP

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Current implementation of VFs is very tight in regard to queue
resources. VFs support for XDP would require quite a bit of additional
infrastructure in qede and qed [sharing of queue-zones between queues,
more VF cids, mapping of the doorbell bar, etc.].

For now, prevent XDP programs from being attached to VFs.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mintz, Yuval 2017-04-07 11:04:59 +03:00 committed by David S. Miller
parent 89e1afc447
commit 40b8c45492
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/qlogic/qede/qede_filter.c
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@ -537,6 +537,11 @@ int qede_xdp(struct net_device *dev, struct netdev_xdp *xdp)
{
struct qede_dev *edev = netdev_priv(dev);
if (IS_VF(edev)) {
DP_NOTICE(edev, "VFs don't support XDP\n");
return -EOPNOTSUPP;
}
switch (xdp->command) {
case XDP_SETUP_PROG:
return qede_xdp_set(edev, xdp->prog);