From: Rafał Miłecki Date: Mon, 31 Oct 2022 10:48:56 +0000 (+0100) Subject: net: broadcom: bcm4908_enet: report queued and transmitted bytes X-Git-Tag: v6.6.7~3913^2~307 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=471ef777ec79baadc5cd9773d08f95f49cf5e2b1;p=platform%2Fkernel%2Flinux-starfive.git net: broadcom: bcm4908_enet: report queued and transmitted bytes 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 --- diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c index b0aac0b..33d8668 100644 --- 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_device *netdev) 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 netdev_tx_t bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_devic 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 napi_struct *napi, int weight) tx_ring->read_idx = 0; } + netdev_completed_queue(enet->netdev, handled, bytes); enet->netdev->stats.tx_packets += handled; enet->netdev->stats.tx_bytes += bytes;