diff options
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 6ab8b52af965..40a88387a8f5 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1059,6 +1059,48 @@ static void netvsc_poll_controller(struct net_device *net) } #endif +static u32 netvsc_get_rxfh_key_size(struct net_device *dev) +{ + return NETVSC_HASH_KEYLEN; +} + +static u32 netvsc_rss_indir_size(struct net_device *dev) +{ + return 0; +} + +static int netvsc_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, + u8 *hfunc) +{ + struct net_device_context *ndc = netdev_priv(dev); + struct netvsc_device *ndev = ndc->nvdev; + struct rndis_device *rndis_dev = ndev->extension; + + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; /* Toeplitz */ + + if (key) + memcpy(key, rndis_dev->rss_key, NETVSC_HASH_KEYLEN); + + return 0; +} + +static int netvsc_set_rxfh(struct net_device *dev, const u32 *indir, + const u8 *key, const u8 hfunc) +{ + struct net_device_context *ndc = netdev_priv(dev); + struct netvsc_device *ndev = ndc->nvdev; + struct rndis_device *rndis_dev = ndev->extension; + + if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) + return -EOPNOTSUPP; + + if (!key || memcmp(key, rndis_dev->rss_key, NETVSC_HASH_KEYLEN) == 0) + return 0; /* no change */ + + return rndis_filter_set_rss_param(rndis_dev, key, ndev->num_chn); +} + static const struct ethtool_ops ethtool_ops = { .get_drvinfo = netvsc_get_drvinfo, .get_link = ethtool_op_get_link, @@ -1071,6 +1113,10 @@ static const struct ethtool_ops ethtool_ops = { .get_settings = netvsc_get_settings, .set_settings = netvsc_set_settings, .get_rxnfc = netvsc_get_rxnfc, + .get_rxfh_key_size = netvsc_get_rxfh_key_size, + .get_rxfh_indir_size = netvsc_rss_indir_size, + .get_rxfh = netvsc_get_rxfh, + .set_rxfh = netvsc_set_rxfh, }; static const struct net_device_ops device_ops = { |