From 471ef777ec79baadc5cd9773d08f95f49cf5e2b1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Mon, 31 Oct 2022 11:48:56 +0100 Subject: [PATCH] net: broadcom: bcm4908_enet: report queued and transmitted bytes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This allows BQL to operate avoiding buffer bloat and reducing latency. Signed-off-by: Rafał Miłecki Link: https://lore.kernel.org/r/20221031104856.32388-1-zajec5@gmail.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/net/ethernet/broadcom/bcm4908_enet.c +++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c @@ -505,6 +505,7 @@ static int bcm4908_enet_stop(struct net_ netif_carrier_off(netdev); napi_disable(&rx_ring->napi); napi_disable(&tx_ring->napi); + netdev_reset_queue(netdev); bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring); bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring); @@ -564,6 +565,8 @@ static int bcm4908_enet_start_xmit(struc if (ring->write_idx + 1 == ring->length - 1) tmp |= DMA_CTL_STATUS_WRAP; + netdev_sent_queue(enet->netdev, skb->len); + buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr); buf_desc->ctl = cpu_to_le32(tmp); @@ -671,6 +674,7 @@ static int bcm4908_enet_poll_tx(struct n tx_ring->read_idx = 0; } + netdev_completed_queue(enet->netdev, handled, bytes); enet->netdev->stats.tx_packets += handled; enet->netdev->stats.tx_bytes += bytes;