[][MT76][Fix wed sw path T-put(iperf) drops to 0 issue]
[Description]
Fix an issue that T-put(iperf) drops to 0 when traffic go to sw path
[Release-log]
N/A
Change-Id: I96fe7e4277f7ec69bdd121173ed838d7e8256a0c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6274335
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/3002-mt76-add-wed-rx-support.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/3002-mt76-add-wed-rx-support.patch
index 3ef5f63..8265434 100644
--- a/autobuild_mac80211_release/package/kernel/mt76/patches/3002-mt76-add-wed-rx-support.patch
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/3002-mt76-add-wed-rx-support.patch
@@ -5,7 +5,7 @@
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
---
- drivers/net/wireless/mediatek/mt76/dma.c | 246 +++++++++++++++---
+ drivers/net/wireless/mediatek/mt76/dma.c | 250 +++++++++++++++---
drivers/net/wireless/mediatek/mt76/dma.h | 10 +
drivers/net/wireless/mediatek/mt76/mac80211.c | 8 +-
drivers/net/wireless/mediatek/mt76/mt76.h | 24 +-
@@ -198,7 +198,7 @@
WRITE_ONCE(desc->buf0, cpu_to_le32(buf0));
WRITE_ONCE(desc->buf1, cpu_to_le32(buf1));
WRITE_ONCE(desc->info, cpu_to_le32(info));
-@@ -272,33 +361,63 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
+@@ -272,33 +361,65 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
static void *
mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
@@ -208,7 +208,8 @@
struct mt76_queue_entry *e = &q->entry[idx];
struct mt76_desc *desc = &q->desc[idx];
dma_addr_t buf_addr;
- void *buf = e->buf;
+- void *buf = e->buf;
++ void *buf = e->buf, *copy = NULL;
int buf_len = SKB_WITH_OVERHEAD(q->buf_size);
+ struct mtk_wed_device *wed = &dev->mmio.wed;
+ int type;
@@ -237,11 +238,10 @@
+ if (!buf)
+ return NULL;
+
-+ memcpy(buf, r->buf, MTK_WED_RX_PKT_SIZE);
++ copy = r->buf;
+ buf_addr = r->dma_addr;
+ buf_len = MTK_WED_RX_PKT_SIZE;
+ r->dma_addr = 0;
-+ //r->buf = NULL;
+
+ mt76_put_rxwi(dev, r);
+
@@ -255,6 +255,9 @@
dma_unmap_single(dev->dma_dev, buf_addr, buf_len, DMA_FROM_DEVICE);
- e->buf = NULL;
+
++ if (copy)
++ memcpy(buf, copy, MTK_WED_RX_PKT_SIZE);
++
+ if (info)
+ *info = le32_to_cpu(desc->info);