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kernel: fix ethernet regression on mt7986

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2022-12-28 20:06:04 +01:00
parent 75451681d0
commit 6c85c343d2
2 changed files with 6 additions and 6 deletions
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10
target/linux/generic/pending-5.15/732-10-net-ethernet-mtk_eth_soc-work-around-issue-with-send.patch
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@ -70,14 +70,14 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
- if (mtk_tx_map(skb, dev, tx_num, ring, gso) < 0)
- goto drop;
+ if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
+ skb_list_walk_safe(skb, skb, next) {
+ if ((mtk_skb_has_small_frag(skb) && skb_linearize(skb)) ||
+ mtk_tx_map(skb, dev, tx_num, ring, gso) < 0) {
+ skb_list_walk_safe(skb, skb, next) {
+ if ((!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2) &&
+ mtk_skb_has_small_frag(skb) && skb_linearize(skb)) ||
+ mtk_tx_map(skb, dev, tx_num, ring, gso) < 0) {
+ stats->tx_dropped++;
+ dev_kfree_skb_any(skb);
+ }
+ }
+ }
if (unlikely(atomic_read(&ring->free_count) <= ring->thresh))
netif_tx_stop_all_queues(dev);

2
target/linux/generic/pending-5.15/732-12-net-ethernet-mtk_eth_soc-drop-packets-to-WDMA-if-the.patch
View File

@ -11,7 +11,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3531,9 +3531,12 @@ static int mtk_hw_init(struct mtk_eth *e
@@ -3533,9 +3533,12 @@ static int mtk_hw_init(struct mtk_eth *e
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {