2022-11-03 06:37:42 +00:00
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From 471ef777ec79baadc5cd9773d08f95f49cf5e2b1 Mon Sep 17 00:00:00 2001
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2022-10-27 20:33:14 +00:00
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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2022-11-03 06:37:42 +00:00
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Date: Mon, 31 Oct 2022 11:48:56 +0100
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2022-10-27 20:33:14 +00:00
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Subject: [PATCH] net: broadcom: bcm4908_enet: report queued and transmitted
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bytes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This allows BQL to operate avoiding buffer bloat and reducing latency.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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2022-11-03 06:37:42 +00:00
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Link: https://lore.kernel.org/r/20221031104856.32388-1-zajec5@gmail.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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2022-10-27 20:33:14 +00:00
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---
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drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
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+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
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@@ -504,6 +504,7 @@ static int bcm4908_enet_stop(struct net_
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netif_carrier_off(netdev);
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napi_disable(&rx_ring->napi);
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napi_disable(&tx_ring->napi);
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+ netdev_reset_queue(netdev);
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bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring);
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bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring);
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@@ -563,6 +564,8 @@ static int bcm4908_enet_start_xmit(struc
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if (ring->write_idx + 1 == ring->length - 1)
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tmp |= DMA_CTL_STATUS_WRAP;
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+ netdev_sent_queue(enet->netdev, skb->len);
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+
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buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr);
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buf_desc->ctl = cpu_to_le32(tmp);
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@@ -670,6 +673,7 @@ static int bcm4908_enet_poll_tx(struct n
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tx_ring->read_idx = 0;
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}
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+ netdev_completed_queue(enet->netdev, handled, bytes);
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enet->netdev->stats.tx_packets += handled;
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enet->netdev->stats.tx_bytes += bytes;
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