iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: broadcom: bcm4908_enet: report queued and transmitted bytes

Browse Source 
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>
This commit is contained in:
Rafał Miłecki 2022-10-31 11:48:56 +01:00 committed by Jakub Kicinski
parent 2cee6401c4
commit 471ef777ec
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/broadcom/bcm4908_enet.c
View File

@ -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;