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| author | Rafał Miłecki <rafal@milecki.pl> | 2022-10-27 22:33:14 +0200 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2022-10-27 22:34:00 +0200 |
| commit | ae57770c956888337249688b9a16c25dd4fd63fb (patch) | |
| tree | 517648cbafa8971e8684c268bdea669f5aa44ca4 /target/linux/bcm4908 | |
| parent | 31e4e566545e53594bafe846c170a5d2fa6821e3 (diff) | |
| download | upstream-ae57770c956888337249688b9a16c25dd4fd63fb.tar.gz upstream-ae57770c956888337249688b9a16c25dd4fd63fb.tar.bz2 upstream-ae57770c956888337249688b9a16c25dd4fd63fb.zip | |
bcm4908: add pending BQL support for bcm4908_enet
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'target/linux/bcm4908')
| -rw-r--r-- | target/linux/bcm4908/patches-5.10/170-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.10/170-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch b/target/linux/bcm4908/patches-5.10/170-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch new file mode 100644 index 0000000000..cd01c9177c --- /dev/null +++ b/target/linux/bcm4908/patches-5.10/170-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch @@ -0,0 +1,42 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 27 Oct 2022 22:18:05 +0200 +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 + +This allows BQL to operate avoiding buffer bloat and reducing latency. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +--- + 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; + |