diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0079-net-next-fix-BQL-support.patch')
-rw-r--r-- | target/linux/mediatek/patches-4.4/0079-net-next-fix-BQL-support.patch | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/target/linux/mediatek/patches-4.4/0079-net-next-fix-BQL-support.patch b/target/linux/mediatek/patches-4.4/0079-net-next-fix-BQL-support.patch deleted file mode 100644 index 2999281147..0000000000 --- a/target/linux/mediatek/patches-4.4/0079-net-next-fix-BQL-support.patch +++ /dev/null @@ -1,90 +0,0 @@ -From f84a8ad5cc385fe414758fa4d423e26197a79c28 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sat, 23 Apr 2016 11:57:21 +0200 -Subject: [PATCH 79/91] net-next: fix BQL support - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 33 +++++++++++++++------------ - 1 file changed, 19 insertions(+), 14 deletions(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index bab5d45..ded09bc 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -625,7 +625,15 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, - WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | - (!nr_frags * TX_DMA_LS0))); - -- netdev_sent_queue(dev, skb->len); -+ /* we have a single DMA ring so BQL needs to be updated for all devices -+ * sitting on this ring -+ */ -+ for (i = 0; i < MTK_MAC_COUNT; i++) { -+ if (!eth->netdev[i]) -+ continue; -+ netdev_sent_queue(dev, skb->len); -+ } -+ - skb_tx_timestamp(skb); - - ring->next_free = mtk_qdma_phys_to_virt(ring, txd->txd2); -@@ -853,21 +861,18 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) - struct mtk_tx_dma *desc; - struct sk_buff *skb; - struct mtk_tx_buf *tx_buf; -- int total = 0, done[MTK_MAX_DEVS]; -- unsigned int bytes[MTK_MAX_DEVS]; -+ int total = 0, done = 0; -+ unsigned int bytes = 0; - u32 cpu, dma; - static int condition; - int i; - -- memset(done, 0, sizeof(done)); -- memset(bytes, 0, sizeof(bytes)); -- - cpu = mtk_r32(eth, MTK_QTX_CRX_PTR); - dma = mtk_r32(eth, MTK_QTX_DRX_PTR); - - desc = mtk_qdma_phys_to_virt(ring, cpu); - -- while ((cpu != dma) && budget) { -+ while ((cpu != dma) && done < budget) { - u32 next_cpu = desc->txd2; - int mac; - -@@ -887,9 +892,8 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) - } - - if (skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC) { -- bytes[mac] += skb->len; -- done[mac]++; -- budget--; -+ bytes += skb->len; -+ done++; - } - mtk_tx_unmap(eth->dev, tx_buf); - -@@ -902,13 +906,14 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) - - mtk_w32(eth, cpu, MTK_QTX_CRX_PTR); - -+ /* we have a single DMA ring so BQL needs to be updated for all devices -+ * sitting on this ring -+ */ - for (i = 0; i < MTK_MAC_COUNT; i++) { -- if (!eth->netdev[i] || !done[i]) -+ if (!eth->netdev[i]) - continue; -- netdev_completed_queue(eth->netdev[i], done[i], bytes[i]); -- total += done[i]; -+ netdev_completed_queue(eth->netdev[i], done, bytes); - } -- - /* read hw index again make sure no new tx packet */ - if (cpu != dma || cpu != mtk_r32(eth, MTK_QTX_DRX_PTR)) - *tx_again = true; --- -1.7.10.4 - |