| From 471ef777ec79baadc5cd9773d08f95f49cf5e2b1 Mon Sep 17 00:00:00 2001 |
| From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> |
| 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 |
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| 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> |
| --- |
| 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 |
| @@ -504,6 +504,7 @@ 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); |
| @@ -563,6 +564,8 @@ 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); |
| |
| @@ -670,6 +673,7 @@ 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; |
| |