[][MAC80211][Rebase Patches][update internal patches based on mt76-2023-06-22-29cfabbb]
[Description]
Fix and rebase internal patches based on mt76-2023-06-22-29cfabbb
[Release-log]
N/A
Change-Id: Ic49c929e0bc93915300f7e2c37e6052158b0b826
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7662070
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/2009-wifi-mt76-connac-wed-add-wed-rx-copy-skb.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/2009-wifi-mt76-connac-wed-add-wed-rx-copy-skb.patch
new file mode 100644
index 0000000..95d4013
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/2009-wifi-mt76-connac-wed-add-wed-rx-copy-skb.patch
@@ -0,0 +1,250 @@
+From 70b5d2b88e048a9e24f4f509df5385d3246c7105 Mon Sep 17 00:00:00 2001
+From: Sujuan Chen <sujuan.chen@mediatek.com>
+Date: Thu, 5 Jan 2023 16:43:57 +0800
+Subject: [PATCH 2009/2009] wifi: mt76: connac: wed: add wed rx copy skb
+
+Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
+---
+ dma.c | 76 +++++++++++++++++++++++++++++++++++++++------------
+ mt7915/mmio.c | 35 ++++++++++++++++++------
+ 2 files changed, 85 insertions(+), 26 deletions(-)
+
+diff --git a/dma.c b/dma.c
+index b210e39..4daa64d 100644
+--- a/dma.c
++++ b/dma.c
+@@ -208,11 +208,11 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
+
+ static int
+ mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q,
+- struct mt76_queue_buf *buf, void *data)
++ struct mt76_queue_buf *buf, void *data,
++ struct mt76_rxwi_cache *rxwi)
+ {
+ struct mt76_desc *desc = &q->desc[q->head];
+ struct mt76_queue_entry *entry = &q->entry[q->head];
+- struct mt76_rxwi_cache *rxwi = NULL;
+ u32 buf1 = 0, ctrl;
+ int idx = q->head;
+ int rx_token;
+@@ -220,9 +220,11 @@ mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q,
+ ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len);
+
+ if (mt76_queue_is_wed_rx(q)) {
+- rxwi = mt76_get_rxwi(dev);
+- if (!rxwi)
+- return -ENOMEM;
++ if (!rxwi) {
++ rxwi = mt76_get_rxwi(dev);
++ if (!rxwi)
++ return -ENOMEM;
++ }
+
+ rx_token = mt76_rx_token_consume(dev, data, rxwi, buf->addr);
+ if (rx_token < 0) {
+@@ -387,7 +389,7 @@ 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,
+- int *len, u32 *info, bool *more, bool *drop)
++ int *len, u32 *info, bool *more, bool *drop, bool flush)
+ {
+ struct mt76_queue_entry *e = &q->entry[idx];
+ struct mt76_desc *desc = &q->desc[idx];
+@@ -437,11 +439,43 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
+ SKB_WITH_OVERHEAD(q->buf_size),
+ DMA_FROM_DEVICE);
+
+- buf = r->ptr;
+- r->dma_addr = 0;
+- r->ptr = NULL;
++ if (flush) {
++ buf = r->ptr;
++ r->dma_addr = 0;
++ r->ptr = NULL;
+
+- mt76_put_rxwi(dev, r);
++ mt76_put_rxwi(dev, r);
++ } else {
++ struct mt76_queue_buf qbuf;
++
++ buf = page_frag_alloc(&q->rx_page, q->buf_size, GFP_ATOMIC);
++ if (!buf)
++ return NULL;
++
++ memcpy(buf, r->ptr, SKB_WITH_OVERHEAD(q->buf_size));
++
++ r->dma_addr = dma_map_single(dev->dma_dev, r->ptr,
++ SKB_WITH_OVERHEAD(q->buf_size),
++ DMA_FROM_DEVICE);
++ if (unlikely(dma_mapping_error(dev->dma_dev, r->dma_addr))) {
++ skb_free_frag(r->ptr);
++ mt76_put_rxwi(dev, r);
++ return NULL;
++ }
++
++ qbuf.addr = r->dma_addr;
++ qbuf.len = SKB_WITH_OVERHEAD(q->buf_size);
++ qbuf.skip_unmap = false;
++
++ if (mt76_dma_add_rx_buf(dev, q, &qbuf, r->ptr, r) < 0) {
++ dma_unmap_single(dev->dma_dev, r->dma_addr,
++ SKB_WITH_OVERHEAD(q->buf_size),
++ DMA_FROM_DEVICE);
++ skb_free_frag(r->ptr);
++ mt76_put_rxwi(dev, r);
++ return NULL;
++ }
++ }
+
+ if (drop) {
+ u32 ctrl = le32_to_cpu(READ_ONCE(desc->ctrl));
+@@ -480,7 +514,7 @@ mt76_dma_dequeue(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
+ q->tail = (q->tail + 1) % q->ndesc;
+ q->queued--;
+
+- return mt76_dma_get_buf(dev, q, idx, len, info, more, drop);
++ return mt76_dma_get_buf(dev, q, idx, len, info, more, drop, flush);
+ }
+
+ static int
+@@ -620,6 +654,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
+ int len = SKB_WITH_OVERHEAD(q->buf_size);
+ int frames = 0, offset = q->buf_offset;
+ dma_addr_t addr;
++ bool flags = false;
+
+ if (!q->ndesc)
+ return 0;
+@@ -643,7 +678,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
+ qbuf.addr = addr + offset;
+ qbuf.len = len - offset;
+ qbuf.skip_unmap = false;
+- if (mt76_dma_add_rx_buf(dev, q, &qbuf, buf) < 0) {
++ if (mt76_dma_add_rx_buf(dev, q, &qbuf, buf, NULL) < 0) {
+ dma_unmap_single(dev->dma_dev, addr, len,
+ DMA_FROM_DEVICE);
+ skb_free_frag(buf);
+@@ -652,7 +687,10 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
+ frames++;
+ }
+
+- if (frames)
++ flags = (q->flags & MT_QFLAG_WED) &&
++ FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX;
++
++ if (frames || flags)
+ mt76_dma_kick_queue(dev, q);
+
+ spin_unlock_bh(&q->lock);
+@@ -775,12 +813,14 @@ mt76_dma_rx_cleanup(struct mt76_dev *dev, struct mt76_queue *q)
+
+ spin_unlock_bh(&q->lock);
+
+- if (!q->rx_page.va)
+- return;
++ if (FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) != MT76_WED_Q_RX) {
++ if (!q->rx_page.va)
++ return;
+
+- page = virt_to_page(q->rx_page.va);
+- __page_frag_cache_drain(page, q->rx_page.pagecnt_bias);
+- memset(&q->rx_page, 0, sizeof(q->rx_page));
++ page = virt_to_page(q->rx_page.va);
++ __page_frag_cache_drain(page, q->rx_page.pagecnt_bias);
++ memset(&q->rx_page, 0, sizeof(q->rx_page));
++ }
+ }
+
+ static void
+diff --git a/mt7915/mmio.c b/mt7915/mmio.c
+index 4151af0..25893bd 100644
+--- a/mt7915/mmio.c
++++ b/mt7915/mmio.c
+@@ -576,6 +576,7 @@ static void mt7915_mmio_wed_offload_disable(struct mtk_wed_device *wed)
+ static void mt7915_mmio_wed_release_rx_buf(struct mtk_wed_device *wed)
+ {
+ struct mt7915_dev *dev;
++ struct page *page;
+ u32 length;
+ int i;
+
+@@ -592,13 +593,33 @@ static void mt7915_mmio_wed_release_rx_buf(struct mtk_wed_device *wed)
+
+ dma_unmap_single(dev->mt76.dma_dev, r->dma_addr,
+ wed->wlan.rx_size, DMA_FROM_DEVICE);
+- __free_pages(virt_to_page(r->ptr), get_order(length));
++ skb_free_frag(r->ptr);
+ r->ptr = NULL;
+
+ mt76_put_rxwi(&dev->mt76, r);
+ }
+
+ mt76_free_pending_rxwi(&dev->mt76);
++
++ mt76_for_each_q_rx(&dev->mt76, i) {
++ struct mt76_queue *q = &dev->mt76.q_rx[i];
++
++ if (mt76_queue_is_wed_rx(q)) {
++ if (!q->rx_page.va)
++ continue;
++
++ page = virt_to_page(q->rx_page.va);
++ __page_frag_cache_drain(page, q->rx_page.pagecnt_bias);
++ memset(&q->rx_page, 0, sizeof(q->rx_page));
++ }
++ }
++
++ if (!wed->rx_buf_ring.rx_page.va)
++ return;
++
++ page = virt_to_page(wed->rx_buf_ring.rx_page.va);
++ __page_frag_cache_drain(page, wed->rx_buf_ring.rx_page.pagecnt_bias);
++ memset(&wed->rx_buf_ring.rx_page, 0, sizeof(wed->rx_buf_ring.rx_page));
+ }
+
+ static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
+@@ -615,35 +636,33 @@ static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
+ for (i = 0; i < size; i++) {
+ struct mt76_rxwi_cache *r = mt76_get_rxwi(&dev->mt76);
+ dma_addr_t phy_addr;
+- struct page *page;
+ int token;
+ void *ptr;
+
+ if (!r)
+ goto unmap;
+
+- page = __dev_alloc_pages(GFP_KERNEL, get_order(length));
+- if (!page) {
++ ptr = page_frag_alloc(&wed->rx_buf_ring.rx_page, length, GFP_ATOMIC);
++ if (!ptr) {
+ mt76_put_rxwi(&dev->mt76, r);
+ goto unmap;
+ }
+
+- ptr = page_address(page);
+ phy_addr = dma_map_single(dev->mt76.dma_dev, ptr,
+ wed->wlan.rx_size,
+ DMA_TO_DEVICE);
++
+ if (unlikely(dma_mapping_error(dev->mt76.dev, phy_addr))) {
+- __free_pages(page, get_order(length));
++ skb_free_frag(ptr);
+ mt76_put_rxwi(&dev->mt76, r);
+ goto unmap;
+ }
+-
+ desc->buf0 = cpu_to_le32(phy_addr);
+ token = mt76_rx_token_consume(&dev->mt76, ptr, r, phy_addr);
+ if (token < 0) {
+ dma_unmap_single(dev->mt76.dma_dev, phy_addr,
+ wed->wlan.rx_size, DMA_TO_DEVICE);
+- __free_pages(page, get_order(length));
++ skb_free_frag(ptr);
+ mt76_put_rxwi(&dev->mt76, r);
+ goto unmap;
+ }
+--
+2.18.0
+