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authorMintz, Yuval <Yuval.Mintz@cavium.com>2017-04-07 11:04:59 +0300
committerDavid S. Miller <davem@davemloft.net>2017-04-07 06:26:14 -0700
commit40b8c45492efc97d9d397475bf475d497fbb9174 (patch)
treeea92b0d71d425286a17fdcd2fbbc02c836b269cd /drivers/net/ethernet/qlogic/qede/qede_filter.c
parentqede: Correct XDP forward unmapping (diff)
downloadlinux-dev-40b8c45492efc97d9d397475bf475d497fbb9174.tar.xz
linux-dev-40b8c45492efc97d9d397475bf475d497fbb9174.zip
qede: Prevent VFs from using XDP
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>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_filter.c')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_filter.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index 107c3fda4792..ecd5b3ab783f 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -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);