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 <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20221031104856.32388-1-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index b0aac0b..33d8668 100644 (file)
--- 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;