diff options
| author | Kohei Enju <kohei@enjuk.jp> | 2026-01-31 16:29:37 +0000 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2026-07-01 13:34:29 -0700 |
| commit | f243be8edeabac0b2ab3ccf27741a17c8129e253 (patch) | |
| tree | e61d46469efe1fa5b5fc0fe224297a652f105698 | |
| parent | 66731a51b1fbf5be58cc8bea0a1324e416386b33 (diff) | |
igc: expose RSS key via ethtool get_rxfh
Implement igc_ethtool_get_rxfh_key_size() and extend
igc_ethtool_get_rxfh() to return the RSS key to userspace.
This can be tested using `ethtool -x <dev>`.
Signed-off-by: Kohei Enju <kohei@enjuk.jp>
Tested-by: Avigail Dahan <avigailx.dahan@intel.com>
Reviewed-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_ethtool.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index f01222f12776..0e76ffe7be65 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1502,6 +1502,11 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter) } } +static u32 igc_ethtool_get_rxfh_key_size(struct net_device *netdev) +{ + return IGC_RSS_KEY_SIZE; +} + static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev) { return IGC_RETA_SIZE; @@ -1514,10 +1519,13 @@ static int igc_ethtool_get_rxfh(struct net_device *netdev, int i; rxfh->hfunc = ETH_RSS_HASH_TOP; - if (!rxfh->indir) - return 0; - for (i = 0; i < IGC_RETA_SIZE; i++) - rxfh->indir[i] = adapter->rss_indir_tbl[i]; + + if (rxfh->indir) + for (i = 0; i < IGC_RETA_SIZE; i++) + rxfh->indir[i] = adapter->rss_indir_tbl[i]; + + if (rxfh->key) + memcpy(rxfh->key, adapter->rss_key, sizeof(adapter->rss_key)); return 0; } @@ -2195,6 +2203,7 @@ static const struct ethtool_ops igc_ethtool_ops = { .get_rxnfc = igc_ethtool_get_rxnfc, .set_rxnfc = igc_ethtool_set_rxnfc, .get_rx_ring_count = igc_ethtool_get_rx_ring_count, + .get_rxfh_key_size = igc_ethtool_get_rxfh_key_size, .get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size, .get_rxfh = igc_ethtool_get_rxfh, .set_rxfh = igc_ethtool_set_rxfh, |