target/linux/bcm4908/patches-5.10/170-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch

   1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   2 Date: Thu, 27 Oct 2022 22:18:05 +0200
   3 Subject: [PATCH] net: broadcom: bcm4908_enet: report queued and transmitted
   4  bytes
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 This allows BQL to operate avoiding buffer bloat and reducing latency.
  10
  11 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  12 ---
  13  drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 ++++
  14  1 file changed, 4 insertions(+)
  15
  16 --- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
  17 +++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
  18 @@ -504,6 +504,7 @@ static int bcm4908_enet_stop(struct net_
  19         netif_carrier_off(netdev);
  20         napi_disable(&rx_ring->napi);
  21         napi_disable(&tx_ring->napi);
  22 +       netdev_reset_queue(netdev);
  23
  24         bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring);
  25         bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring);
  26 @@ -563,6 +564,8 @@ static int bcm4908_enet_start_xmit(struc
  27         if (ring->write_idx + 1 == ring->length - 1)
  28                 tmp |= DMA_CTL_STATUS_WRAP;
  29
  30 +       netdev_sent_queue(enet->netdev, skb->len);
  31 +
  32         buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr);
  33         buf_desc->ctl = cpu_to_le32(tmp);
  34
  35 @@ -670,6 +673,7 @@ static int bcm4908_enet_poll_tx(struct n
  36                         tx_ring->read_idx = 0;
  37         }
  38
  39 +       netdev_completed_queue(enet->netdev, handled, bytes);
  40         enet->netdev->stats.tx_packets += handled;
  41         enet->netdev->stats.tx_bytes += bytes;
  42