@@ -4436,7 +4436,8 @@ ixgbevf_features_check(struct sk_buff *skb, struct net_device *dev,
return features;
}
-static int ixgbevf_xdp_setup(struct net_device *dev, struct bpf_prog *prog)
+static int ixgbevf_xdp_setup(struct net_device *dev, struct bpf_prog *prog,
+ struct netlink_ext_ack *extack)
{
int i, frame_size = dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
struct ixgbevf_adapter *adapter = netdev_priv(dev);
@@ -4446,8 +4447,11 @@ static int ixgbevf_xdp_setup(struct net_device *dev, struct bpf_prog *prog)
for (i = 0; i < adapter->num_rx_queues; i++) {
struct ixgbevf_ring *ring = adapter->rx_ring[i];
- if (frame_size > ixgbevf_rx_bufsz(ring))
+ if (frame_size > ixgbevf_rx_bufsz(ring)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "XDP does not support multiple buffers");
return -EINVAL;
+ }
}
old_prog = xchg(&adapter->xdp_prog, prog);
@@ -4483,12 +4487,13 @@ static int ixgbevf_xdp(struct net_device *dev, struct netdev_bpf *xdp)
switch (xdp->command) {
case XDP_SETUP_PROG:
- return ixgbevf_xdp_setup(dev, xdp->prog);
+ return ixgbevf_xdp_setup(dev, xdp->prog, xdp->extack);
case XDP_QUERY_PROG:
xdp->prog_id = adapter->xdp_prog ?
adapter->xdp_prog->aux->id : 0;
return 0;
default:
+ NL_SET_ERR_MSG_MOD(xdp->extack, "Unsupported XDP command");
return -EINVAL;
}
}
In case of XDP errors report error string through extack. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)