diff options
| author | Takashi Kozu <takkozu@amazon.com> | 2026-02-03 21:54:12 +0900 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2026-07-01 13:34:30 -0700 |
| commit | 1ae67b2b28bcd027d9630d316208e88136cd960f (patch) | |
| tree | b195c83bb7efc651168d8cf9bd001382d08a76de | |
| parent | dfaf57ef99cf8901e4a5fc2e89629be44f922f80 (diff) | |
igb: expose RSS key via ethtool get_rxfh
Implement igb_get_rxfh_key_size() and extend
igb_get_rxfh() to return the RSS key to userspace.
This can be tested using `ethtool -x <dev>`.
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Takashi Kozu <takkozu@amazon.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ethtool.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 9a105e59f432..47fc620026a9 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -3297,10 +3297,12 @@ static int igb_get_rxfh(struct net_device *netdev, int i; rxfh->hfunc = ETH_RSS_HASH_TOP; - if (!rxfh->indir) - return 0; - for (i = 0; i < IGB_RETA_SIZE; i++) - rxfh->indir[i] = adapter->rss_indir_tbl[i]; + if (rxfh->indir) + for (i = 0; i < IGB_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; } @@ -3340,6 +3342,11 @@ void igb_write_rss_indir_tbl(struct igb_adapter *adapter) } } +static u32 igb_get_rxfh_key_size(struct net_device *netdev) +{ + return IGB_RSS_KEY_SIZE; +} + static int igb_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, struct netlink_ext_ack *extack) @@ -3504,6 +3511,7 @@ static const struct ethtool_ops igb_ethtool_ops = { .get_module_eeprom = igb_get_module_eeprom, .get_rxfh_indir_size = igb_get_rxfh_indir_size, .get_rxfh = igb_get_rxfh, + .get_rxfh_key_size = igb_get_rxfh_key_size, .set_rxfh = igb_set_rxfh, .get_rxfh_fields = igb_get_rxfh_fields, .set_rxfh_fields = igb_set_rxfh_fields, |