net: stmmac: add ethtool per-queue statistic framework
Adding generic ethtool per-queue statistic framework to display the statistics for each rx/tx queue. In future, users can avail it to add more per-queue specific counters. Number of rx/tx queues displayed is depending on the available rx/tx queues in that particular MAC config and this number is limited up to the MTL_MAX_{RX|TX}_QUEUES defined in the driver. Ethtool per-queue statistic display will look like below, when users start adding more counters. Example: q0_tx_statA: q0_tx_statB: q0_tx_statC: | q0_tx_statX: . . . qMAX_tx_statA: qMAX_tx_statB: qMAX_tx_statC: | qMAX_tx_statX: q0_rx_statA: q0_rx_statB: q0_rx_statC: | q0_rx_statX: . . . qMAX_rx_statA: qMAX_rx_statB: qMAX_rx_statC: | qMAX_rx_statX: In addition, this patch has the support on displaying the number of packets received and transmitted per queue. Signed-off-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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