| Message ID | 20250309104648.3895551-14-faizal.abdul.rahim@linux.intel.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | igc: Add support for Frame Preemption feature in IGC | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Guessing tree name failed - patch did not apply, async |
On Sun, Mar 09, 2025 at 06:46:47AM -0400, Faizal Rahim wrote: > Implement "ethtool --show-mm" callback for IGC. > > Tested with command: > $ ethtool --show-mm enp1s0. > MAC Merge layer state for enp1s0: > pMAC enabled: on > TX enabled: on > TX active: on > TX minimum fragment size: 64 > RX minimum fragment size: 60 > Verify enabled: on > Verify time: 128 > Max verify time: 128 > Verification status: SUCCEEDED > > Verified that the fields value are retrieved correctly. > > Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com> > --- Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 529654ccd83f..fd4b4b332309 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1782,6 +1782,19 @@ static int igc_ethtool_set_eee(struct net_device *netdev, return 0; } +static int igc_ethtool_get_mm(struct net_device *netdev, + struct ethtool_mm_state *cmd) +{ + struct igc_adapter *adapter = netdev_priv(netdev); + struct igc_fpe_t *fpe = &adapter->fpe; + + ethtool_mmsv_get_mm(&fpe->mmsv, cmd); + cmd->tx_min_frag_size = fpe->tx_min_frag_size; + cmd->rx_min_frag_size = IGC_RX_MIN_FRAG_SIZE; + + return 0; +} + static int igc_ethtool_set_mm(struct net_device *netdev, struct ethtool_mm_cfg *cmd, struct netlink_ext_ack *extack) @@ -2101,6 +2114,7 @@ static const struct ethtool_ops igc_ethtool_ops = { .get_link_ksettings = igc_ethtool_get_link_ksettings, .set_link_ksettings = igc_ethtool_set_link_ksettings, .self_test = igc_ethtool_diag_test, + .get_mm = igc_ethtool_get_mm, .set_mm = igc_ethtool_set_mm, }; diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.h b/drivers/net/ethernet/intel/igc/igc_tsn.h index 58fe5f0773d7..c2a77229207b 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.h +++ b/drivers/net/ethernet/intel/igc/igc_tsn.h @@ -4,6 +4,7 @@ #ifndef _IGC_TSN_H_ #define _IGC_TSN_H_ +#define IGC_RX_MIN_FRAG_SIZE 60 #define SMD_FRAME_SIZE 60 enum igc_txd_popts_type {
Implement "ethtool --show-mm" callback for IGC. Tested with command: $ ethtool --show-mm enp1s0. MAC Merge layer state for enp1s0: pMAC enabled: on TX enabled: on TX active: on TX minimum fragment size: 64 RX minimum fragment size: 60 Verify enabled: on Verify time: 128 Max verify time: 128 Verification status: SUCCEEDED Verified that the fields value are retrieved correctly. Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com> --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 14 ++++++++++++++ drivers/net/ethernet/intel/igc/igc_tsn.h | 1 + 2 files changed, 15 insertions(+)