summaryrefslogtreecommitdiffstats
path: root/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch')
-rw-r--r--target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch242
1 files changed, 0 insertions, 242 deletions
diff --git a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch
deleted file mode 100644
index 4bee845cbb..0000000000
--- a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch
+++ /dev/null
@@ -1,242 +0,0 @@
-From 34e10b96d5ccb99fb78251051bc5652b09359983 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Thu, 28 Apr 2016 07:58:22 +0200
-Subject: [PATCH 91/91] net-next: mediatek WIP
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 89 ++++++++++++---------------
- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 5 +-
- 2 files changed, 44 insertions(+), 50 deletions(-)
-
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-@@ -326,7 +326,7 @@ static inline void mtk_irq_disable(struc
- val = mtk_r32(eth, MTK_QDMA_INT_MASK);
- mtk_w32(eth, val & ~mask, MTK_QDMA_INT_MASK);
- /* flush write */
-- mtk_r32(eth, MTK_QDMA_INT_MASK);
-+// mtk_r32(eth, MTK_QDMA_INT_MASK);
- spin_unlock_irqrestore(&eth->irq_lock, flags);
- }
-
-@@ -339,7 +339,7 @@ static inline void mtk_irq_enable(struct
- val = mtk_r32(eth, MTK_QDMA_INT_MASK);
- mtk_w32(eth, val | mask, MTK_QDMA_INT_MASK);
- /* flush write */
-- mtk_r32(eth, MTK_QDMA_INT_MASK);
-+// mtk_r32(eth, MTK_QDMA_INT_MASK);
- spin_unlock_irqrestore(&eth->irq_lock, flags);
- }
-
-@@ -710,10 +710,26 @@ static inline int mtk_cal_txd_req(struct
- return nfrags;
- }
-
-+static int mtk_queue_stopped(struct mtk_eth *eth)
-+{
-+ int i;
-+
-+ for (i = 0; i < MTK_MAC_COUNT; i++) {
-+ if (!eth->netdev[i])
-+ continue;
-+ if (netif_queue_stopped(eth->netdev[i]))
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
- static void mtk_wake_queue(struct mtk_eth *eth)
- {
- int i;
-
-+ printk("%s:%s[%d]w\n", __FILE__, __func__, __LINE__);
-+
- for (i = 0; i < MTK_MAC_COUNT; i++) {
- if (!eth->netdev[i])
- continue;
-@@ -725,6 +741,7 @@ static void mtk_stop_queue(struct mtk_et
- {
- int i;
-
-+ printk("%s:%s[%d]s\n", __FILE__, __func__, __LINE__);
- for (i = 0; i < MTK_MAC_COUNT; i++) {
- if (!eth->netdev[i])
- continue;
-@@ -775,12 +792,9 @@ static int mtk_start_xmit(struct sk_buff
- if (mtk_tx_map(skb, dev, tx_num, ring, gso) < 0)
- goto drop;
-
-- if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) {
-+ if (unlikely(atomic_read(&ring->free_count) <= ring->thresh))
- mtk_stop_queue(eth);
-- if (unlikely(atomic_read(&ring->free_count) >
-- ring->thresh))
-- mtk_wake_queue(eth);
-- }
-+
- spin_unlock_irqrestore(&eth->page_lock, flags);
-
- return NETDEV_TX_OK;
-@@ -927,7 +941,6 @@ static int mtk_poll_tx(struct mtk_eth *e
- }
- mtk_tx_unmap(eth->dev, tx_buf);
-
-- ring->last_free->txd2 = next_cpu;
- ring->last_free = desc;
- atomic_inc(&ring->free_count);
-
-@@ -945,11 +958,8 @@ static int mtk_poll_tx(struct mtk_eth *e
- 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))
-- mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS);
--
-- if (atomic_read(&ring->free_count) > ring->thresh)
-+ if (mtk_queue_stopped(eth) &&
-+ (atomic_read(&ring->free_count) > ring->thresh))
- mtk_wake_queue(eth);
-
- return done;
-@@ -973,10 +983,11 @@ static int mtk_napi_tx(struct napi_struc
- int tx_done = 0;
-
- mtk_handle_status_irq(eth);
--
-- status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
-+ mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS);
- tx_done = mtk_poll_tx(eth, budget);
-+
- if (unlikely(netif_msg_intr(eth))) {
-+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
- mask = mtk_r32(eth, MTK_QDMA_INT_MASK);
- dev_info(eth->dev,
- "done tx %d, intr 0x%08x/0x%x\n",
-@@ -1002,9 +1013,12 @@ static int mtk_napi_rx(struct napi_struc
- u32 status, mask;
- int rx_done = 0;
-
-- status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
-+ mtk_handle_status_irq(eth);
-+ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QMTK_INT_STATUS);
- rx_done = mtk_poll_rx(napi, budget, eth);
-+
- if (unlikely(netif_msg_intr(eth))) {
-+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
- mask = mtk_r32(eth, MTK_QDMA_INT_MASK);
- dev_info(eth->dev,
- "done rx %d, intr 0x%08x/0x%x\n",
-@@ -1052,9 +1066,8 @@ static int mtk_tx_alloc(struct mtk_eth *
-
- atomic_set(&ring->free_count, MTK_DMA_SIZE - 2);
- ring->next_free = &ring->dma[0];
-- ring->last_free = &ring->dma[MTK_DMA_SIZE - 2];
-- ring->thresh = max((unsigned long)MTK_DMA_SIZE >> 2,
-- MAX_SKB_FRAGS);
-+ ring->last_free = &ring->dma[MTK_DMA_SIZE - 1];
-+ ring->thresh = MAX_SKB_FRAGS;
-
- /* make sure that all changes to the dma ring are flushed before we
- * continue
-@@ -1259,21 +1272,11 @@ static void mtk_tx_timeout(struct net_de
- static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth)
- {
- struct mtk_eth *eth = _eth;
-- u32 status;
--
-- status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
-- status &= ~MTK_TX_DONE_INT;
--
-- if (unlikely(!status))
-- return IRQ_NONE;
-
-- if (status & MTK_RX_DONE_INT) {
-- if (likely(napi_schedule_prep(&eth->rx_napi))) {
-- mtk_irq_disable(eth, MTK_RX_DONE_INT);
-- __napi_schedule(&eth->rx_napi);
-- }
-+ if (likely(napi_schedule_prep(&eth->rx_napi))) {
-+ __napi_schedule(&eth->rx_napi);
-+ mtk_irq_disable(eth, MTK_RX_DONE_INT);
- }
-- mtk_w32(eth, status, MTK_QMTK_INT_STATUS);
-
- return IRQ_HANDLED;
- }
-@@ -1281,21 +1284,11 @@ static irqreturn_t mtk_handle_irq_rx(int
- static irqreturn_t mtk_handle_irq_tx(int irq, void *_eth)
- {
- struct mtk_eth *eth = _eth;
-- u32 status;
--
-- status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
-- status &= ~MTK_RX_DONE_INT;
--
-- if (unlikely(!status))
-- return IRQ_NONE;
-
-- if (status & MTK_TX_DONE_INT) {
-- if (likely(napi_schedule_prep(&eth->tx_napi))) {
-- mtk_irq_disable(eth, MTK_TX_DONE_INT);
-- __napi_schedule(&eth->tx_napi);
-- }
-+ if (likely(napi_schedule_prep(&eth->tx_napi))) {
-+ __napi_schedule(&eth->tx_napi);
-+ mtk_irq_disable(eth, MTK_TX_DONE_INT);
- }
-- mtk_w32(eth, status, MTK_QMTK_INT_STATUS);
-
- return IRQ_HANDLED;
- }
-@@ -1326,7 +1319,7 @@ static int mtk_start_dma(struct mtk_eth
- mtk_w32(eth,
- MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN |
- MTK_RX_2B_OFFSET | MTK_DMA_SIZE_16DWORDS |
-- MTK_RX_BT_32DWORDS,
-+ MTK_RX_BT_32DWORDS | MTK_NDP_CO_PRO,
- MTK_QDMA_GLO_CFG);
-
- return 0;
-@@ -1440,7 +1433,7 @@ static int __init mtk_hw_init(struct mtk
-
- /* disable delay and normal interrupt */
- mtk_w32(eth, 0, MTK_QDMA_DELAY_INT);
-- mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT);
-+ mtk_irq_disable(eth, ~0);
- mtk_w32(eth, RST_GL_PSE, MTK_RST_GL);
- mtk_w32(eth, 0, MTK_RST_GL);
-
-@@ -1765,7 +1758,7 @@ static int mtk_add_mac(struct mtk_eth *e
- mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET;
-
- SET_NETDEV_DEV(eth->netdev[id], eth->dev);
-- eth->netdev[id]->watchdog_timeo = HZ;
-+ eth->netdev[id]->watchdog_timeo = 4 * HZ;
- eth->netdev[id]->netdev_ops = &mtk_netdev_ops;
- eth->netdev[id]->base_addr = (unsigned long)eth->base;
- eth->netdev[id]->vlan_features = MTK_HW_FEATURES &
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
-@@ -18,9 +18,9 @@
- #define MTK_QDMA_PAGE_SIZE 2048
- #define MTK_MAX_RX_LENGTH 1536
- #define MTK_TX_DMA_BUF_LEN 0x3fff
--#define MTK_DMA_SIZE 256
--#define MTK_NAPI_WEIGHT 64
- #define MTK_MAC_COUNT 2
-+#define MTK_DMA_SIZE (256 * MTK_MAC_COUNT)
-+#define MTK_NAPI_WEIGHT (64 * MTK_MAC_COUNT)
- #define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
- #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
- #define MTK_DMA_DUMMY_DESC 0xffffffff
-@@ -95,6 +95,7 @@
- #define MTK_QDMA_GLO_CFG 0x1A04
- #define MTK_RX_2B_OFFSET BIT(31)
- #define MTK_RX_BT_32DWORDS (3 << 11)
-+#define MTK_NDP_CO_PRO BIT(10)
- #define MTK_TX_WB_DDONE BIT(6)
- #define MTK_DMA_SIZE_16DWORDS (2 << 4)
- #define MTK_RX_DMA_BUSY BIT(3)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-11 15:38:26 +0000