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f4989239cc
All patches automatically rebased. Build system: x86_64 Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Signed-off-by: John Audia <therealgraysky@proton.me>
143 lines
4.3 KiB
Diff
143 lines
4.3 KiB
Diff
From f9ec5723c3dbfcede9c7b0dcdf85e401ce16316c Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Sat, 23 Jul 2022 16:29:29 +0200
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Subject: [PATCH 1/5] net: ethernet: stmicro: stmmac: move queue reset to
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dedicated functions
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Move queue reset to dedicated functions. This aside from a simple
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cleanup is also required to allocate a dma conf without resetting the tx
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queue while the device is temporarily detached as now the reset is not
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part of the dma init function and can be done later in the code flow.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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.../net/ethernet/stmicro/stmmac/stmmac_main.c | 59 ++++++++++---------
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1 file changed, 31 insertions(+), 28 deletions(-)
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--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@@ -130,6 +130,9 @@ static irqreturn_t stmmac_mac_interrupt(
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static irqreturn_t stmmac_safety_interrupt(int irq, void *dev_id);
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static irqreturn_t stmmac_msi_intr_tx(int irq, void *data);
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static irqreturn_t stmmac_msi_intr_rx(int irq, void *data);
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+static void stmmac_reset_rx_queue(struct stmmac_priv *priv, u32 queue);
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+static void stmmac_reset_tx_queue(struct stmmac_priv *priv, u32 queue);
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+static void stmmac_reset_queues_param(struct stmmac_priv *priv);
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static void stmmac_tx_timer_arm(struct stmmac_priv *priv, u32 queue);
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static void stmmac_flush_tx_descriptors(struct stmmac_priv *priv, int queue);
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@@ -1712,9 +1715,6 @@ static int __init_dma_rx_desc_rings(stru
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return -ENOMEM;
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}
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- rx_q->cur_rx = 0;
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- rx_q->dirty_rx = 0;
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-
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/* Setup the chained descriptor addresses */
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if (priv->mode == STMMAC_CHAIN_MODE) {
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if (priv->extend_desc)
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@@ -1820,12 +1820,6 @@ static int __init_dma_tx_desc_rings(stru
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tx_q->tx_skbuff[i] = NULL;
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}
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- tx_q->dirty_tx = 0;
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- tx_q->cur_tx = 0;
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- tx_q->mss = 0;
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-
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- netdev_tx_reset_queue(netdev_get_tx_queue(priv->dev, queue));
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-
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return 0;
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}
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@@ -2694,10 +2688,7 @@ static void stmmac_tx_err(struct stmmac_
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stmmac_stop_tx_dma(priv, chan);
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dma_free_tx_skbufs(priv, chan);
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stmmac_clear_tx_descriptors(priv, chan);
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- tx_q->dirty_tx = 0;
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- tx_q->cur_tx = 0;
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- tx_q->mss = 0;
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- netdev_tx_reset_queue(netdev_get_tx_queue(priv->dev, chan));
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+ stmmac_reset_tx_queue(priv, chan);
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stmmac_init_tx_chan(priv, priv->ioaddr, priv->plat->dma_cfg,
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tx_q->dma_tx_phy, chan);
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stmmac_start_tx_dma(priv, chan);
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@@ -3781,6 +3772,8 @@ static int stmmac_open(struct net_device
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}
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}
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+ stmmac_reset_queues_param(priv);
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+
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ret = stmmac_hw_setup(dev, true);
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if (ret < 0) {
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netdev_err(priv->dev, "%s: Hw setup failed\n", __func__);
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@@ -6424,6 +6417,7 @@ void stmmac_enable_rx_queue(struct stmma
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return;
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}
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+ stmmac_reset_rx_queue(priv, queue);
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stmmac_clear_rx_descriptors(priv, queue);
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stmmac_init_rx_chan(priv, priv->ioaddr, priv->plat->dma_cfg,
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@@ -6485,6 +6479,7 @@ void stmmac_enable_tx_queue(struct stmma
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return;
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}
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+ stmmac_reset_tx_queue(priv, queue);
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stmmac_clear_tx_descriptors(priv, queue);
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stmmac_init_tx_chan(priv, priv->ioaddr, priv->plat->dma_cfg,
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@@ -7411,6 +7406,25 @@ int stmmac_suspend(struct device *dev)
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}
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EXPORT_SYMBOL_GPL(stmmac_suspend);
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+static void stmmac_reset_rx_queue(struct stmmac_priv *priv, u32 queue)
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+{
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+ struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
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+
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+ rx_q->cur_rx = 0;
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+ rx_q->dirty_rx = 0;
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+}
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+
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+static void stmmac_reset_tx_queue(struct stmmac_priv *priv, u32 queue)
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+{
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+ struct stmmac_tx_queue *tx_q = &priv->tx_queue[queue];
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+
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+ tx_q->cur_tx = 0;
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+ tx_q->dirty_tx = 0;
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+ tx_q->mss = 0;
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+
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+ netdev_tx_reset_queue(netdev_get_tx_queue(priv->dev, queue));
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+}
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+
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/**
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* stmmac_reset_queues_param - reset queue parameters
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* @priv: device pointer
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@@ -7421,22 +7435,11 @@ static void stmmac_reset_queues_param(st
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u32 tx_cnt = priv->plat->tx_queues_to_use;
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u32 queue;
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- for (queue = 0; queue < rx_cnt; queue++) {
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- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
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+ for (queue = 0; queue < rx_cnt; queue++)
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+ stmmac_reset_rx_queue(priv, queue);
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- rx_q->cur_rx = 0;
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- rx_q->dirty_rx = 0;
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- }
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-
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- for (queue = 0; queue < tx_cnt; queue++) {
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- struct stmmac_tx_queue *tx_q = &priv->tx_queue[queue];
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-
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- tx_q->cur_tx = 0;
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- tx_q->dirty_tx = 0;
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- tx_q->mss = 0;
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-
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- netdev_tx_reset_queue(netdev_get_tx_queue(priv->dev, queue));
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- }
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+ for (queue = 0; queue < tx_cnt; queue++)
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+ stmmac_reset_tx_queue(priv, queue);
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}
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/**
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