diff options
Diffstat (limited to 'drivers/net/ethernet/intel/libeth/xdp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/libeth/xdp.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/libeth/xdp.c b/drivers/net/ethernet/intel/libeth/xdp.c index bd334d314a1d..b5fb2ce92da8 100644 --- a/drivers/net/ethernet/intel/libeth/xdp.c +++ b/drivers/net/ethernet/intel/libeth/xdp.c @@ -376,21 +376,31 @@ EXPORT_SYMBOL_GPL(libeth_xdp_queue_threshold); * __libeth_xdp_set_features - set XDP features for netdev * @dev: &net_device to configure * @xmo: XDP metadata ops (Rx hints) + * @zc_segs: maximum number of S/G frags the HW can transmit + * @tmo: XSk Tx metadata ops (Tx hints) * * Set all the features libeth_xdp supports. Only the first argument is - * necessary. + * necessary; without the third one (zero), XSk support won't be advertised. * Use the non-underscored versions in drivers instead. */ void __libeth_xdp_set_features(struct net_device *dev, - const struct xdp_metadata_ops *xmo) + const struct xdp_metadata_ops *xmo, + u32 zc_segs, + const struct xsk_tx_metadata_ops *tmo) { xdp_set_features_flag(dev, NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | NETDEV_XDP_ACT_NDO_XMIT | + (zc_segs ? NETDEV_XDP_ACT_XSK_ZEROCOPY : 0) | NETDEV_XDP_ACT_RX_SG | NETDEV_XDP_ACT_NDO_XMIT_SG); dev->xdp_metadata_ops = xmo; + + tmo = tmo == libeth_xsktmo ? &libeth_xsktmo_slow : tmo; + + dev->xdp_zc_max_segs = zc_segs ? : 1; + dev->xsk_tx_metadata_ops = zc_segs ? tmo : NULL; } EXPORT_SYMBOL_GPL(__libeth_xdp_set_features); |