diff options
| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-17 19:07:23 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-17 20:40:16 +0100 |
| commit | f323dec4f866d9ea75eae11c6762d0144d100628 (patch) | |
| tree | c40f33e9a89e935b32e6a1520f02019200e7cc17 /target/linux/bcm63xx/patches-5.10/021-v5.12-bcm63xx_enet-add-BQL-support.patch | |
| parent | 5bb9954826229782d4d285d65dfcca8a1c9e20d9 (diff) | |
| download | upstream-f323dec4f866d9ea75eae11c6762d0144d100628.tar.gz upstream-f323dec4f866d9ea75eae11c6762d0144d100628.tar.bz2 upstream-f323dec4f866d9ea75eae11c6762d0144d100628.zip | |
bcm63xx: add kernel 5.10 support
Runtime-tested on Comtrend AR-5387un.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm63xx/patches-5.10/021-v5.12-bcm63xx_enet-add-BQL-support.patch')
| -rw-r--r-- | target/linux/bcm63xx/patches-5.10/021-v5.12-bcm63xx_enet-add-BQL-support.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/bcm63xx/patches-5.10/021-v5.12-bcm63xx_enet-add-BQL-support.patch b/target/linux/bcm63xx/patches-5.10/021-v5.12-bcm63xx_enet-add-BQL-support.patch new file mode 100644 index 0000000000..ec090a882c --- /dev/null +++ b/target/linux/bcm63xx/patches-5.10/021-v5.12-bcm63xx_enet-add-BQL-support.patch @@ -0,0 +1,68 @@ +From 4c59b0f5543db80abbbe9efdd9b25e7899501db5 Mon Sep 17 00:00:00 2001 +From: Sieng Piaw Liew <liew.s.piaw@gmail.com> +Date: Wed, 6 Jan 2021 22:42:03 +0800 +Subject: [PATCH 2/7] bcm63xx_enet: add BQL support + +Add Byte Queue Limits support to reduce/remove bufferbloat in +bcm63xx_enet. + +Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/broadcom/bcm63xx_enet.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c +@@ -417,9 +417,11 @@ static int bcm_enet_receive_queue(struct + static int bcm_enet_tx_reclaim(struct net_device *dev, int force) + { + struct bcm_enet_priv *priv; ++ unsigned int bytes; + int released; + + priv = netdev_priv(dev); ++ bytes = 0; + released = 0; + + while (priv->tx_desc_count < priv->tx_ring_size) { +@@ -456,10 +458,13 @@ static int bcm_enet_tx_reclaim(struct ne + if (desc->len_stat & DMADESC_UNDER_MASK) + dev->stats.tx_errors++; + ++ bytes += skb->len; + dev_kfree_skb(skb); + released++; + } + ++ netdev_completed_queue(dev, released, bytes); ++ + if (netif_queue_stopped(dev) && released) + netif_wake_queue(dev); + +@@ -626,6 +631,8 @@ bcm_enet_start_xmit(struct sk_buff *skb, + desc->len_stat = len_stat; + wmb(); + ++ netdev_sent_queue(dev, skb->len); ++ + /* kick tx dma */ + enet_dmac_writel(priv, priv->dma_chan_en_mask, + ENETDMAC_CHANCFG, priv->tx_chan); +@@ -1169,6 +1176,7 @@ static int bcm_enet_stop(struct net_devi + kdev = &priv->pdev->dev; + + netif_stop_queue(dev); ++ netdev_reset_queue(dev); + napi_disable(&priv->napi); + if (priv->has_phy) + phy_stop(dev->phydev); +@@ -2338,6 +2346,7 @@ static int bcm_enetsw_stop(struct net_de + + del_timer_sync(&priv->swphy_poll); + netif_stop_queue(dev); ++ netdev_reset_queue(dev); + napi_disable(&priv->napi); + del_timer_sync(&priv->rx_timeout); + |