[net-next,v4,4/9] net: stmmac: reflect multi irqs for tx/rx channels and mac and safety

Message ID	20230816152926.4093-5-jszhang@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> From: Jisheng Zhang <jszhang@kernel.org> To: "David S . Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Giuseppe Cavallaro <peppe.cavallaro@st.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, Jose Abreu <joabreu@synopsys.com> Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next v4 4/9] net: stmmac: reflect multi irqs for tx/rx channels and mac and safety Date: Wed, 16 Aug 2023 23:29:21 +0800 Message-Id: <20230816152926.4093-5-jszhang@kernel.org> In-Reply-To: <20230816152926.4093-1-jszhang@kernel.org> References: <20230816152926.4093-1-jszhang@kernel.org> MIME-Version: 1.0 Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org
Series	net: stmmac: add new features to xgmac \| expand [net-next,v4,0/9] net: stmmac: add new features to xgmac [net-next,v4,1/9] net: stmmac: correct RX COE parsing for xgmac [net-next,v4,2/9] net: stmmac: xgmac: add more feature parsing from hw cap [net-next,v4,3/9] net: stmmac: enlarge max rx/tx queues and channels to 16 [net-next,v4,4/9] net: stmmac: reflect multi irqs for tx/rx channels and mac and safety [net-next,v4,5/9] net: stmmac: xgmac: support per-channel irq [net-next,v4,6/9] dt-bindings: net: snps,dwmac: add safety irq support [net-next,v4,7/9] net: stmmac: platform: support parsing safety irqs from DT [net-next,v4,8/9] dt-bindings: net: snps,dwmac: add per channel irq support [net-next,v4,9/9] net: stmmac: platform: support parsing per channel irq from DT

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index 979c755964b1..9050de31ed76 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -952,7 +952,7 @@ static int stmmac_config_single_msi(struct pci_dev *pdev, res->irq = pci_irq_vector(pdev, 0); res->wol_irq = res->irq; - plat->flags &= ~STMMAC_FLAG_MULTI_MSI_EN; + plat->flags &= ~STMMAC_FLAG_PERCH_IRQ_EN; dev_info(&pdev->dev, "%s: Single IRQ enablement successful\n", __func__); @@ -1004,7 +1004,7 @@ static int stmmac_config_multi_msi(struct pci_dev *pdev, if (plat->msi_sfty_ue_vec < STMMAC_MSI_VEC_MAX) res->sfty_ue_irq = pci_irq_vector(pdev, plat->msi_sfty_ue_vec); - plat->flags |= STMMAC_FLAG_MULTI_MSI_EN; + plat->flags |= STMMAC_FLAG_PERCH_IRQ_EN; dev_info(&pdev->dev, "%s: multi MSI enablement successful\n", __func__); return 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index 84d3a8551b03..9bf8adf466a2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -175,7 +175,7 @@ static void dwmac4_dma_init(void __iomem *ioaddr, value = readl(ioaddr + DMA_BUS_MODE); - if (dma_cfg->multi_msi_en) { + if (dma_cfg->perch_irq_en) { value &= ~DMA_BUS_MODE_INTM_MASK; value |= (DMA_BUS_MODE_INTM_MODE1 << DMA_BUS_MODE_INTM_SHIFT); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 3d90ca983389..64c55024d69d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -126,11 +126,11 @@ module_param(chain_mode, int, 0444); MODULE_PARM_DESC(chain_mode, "To use chain instead of ring mode"); static irqreturn_t stmmac_interrupt(int irq, void *dev_id); -/* For MSI interrupts handling */ +/* For multi channel interrupts handling */ static irqreturn_t stmmac_mac_interrupt(int irq, void *dev_id); static irqreturn_t stmmac_safety_interrupt(int irq, void *dev_id); -static irqreturn_t stmmac_msi_intr_tx(int irq, void *data); -static irqreturn_t stmmac_msi_intr_rx(int irq, void *data); +static irqreturn_t stmmac_queue_intr_tx(int irq, void *data); +static irqreturn_t stmmac_queue_intr_rx(int irq, void *data); static void stmmac_reset_rx_queue(struct stmmac_priv *priv, u32 queue); static void stmmac_reset_tx_queue(struct stmmac_priv *priv, u32 queue); static void stmmac_reset_queues_param(struct stmmac_priv *priv); @@ -3520,7 +3520,7 @@ static void stmmac_free_irq(struct net_device *dev, } } -static int stmmac_request_irq_multi_msi(struct net_device *dev) +static int stmmac_request_irq_multi_channel(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); enum request_irq_err irq_err; @@ -3537,7 +3537,7 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) 0, int_name, dev); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc mac MSI %d (error: %d)\n", + "%s: alloc mac irq %d (error: %d)\n", __func__, dev->irq, ret); irq_err = REQ_IRQ_ERR_MAC; goto irq_error; @@ -3554,7 +3554,7 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) 0, int_name, dev); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc wol MSI %d (error: %d)\n", + "%s: alloc wol irq %d (error: %d)\n", __func__, priv->wol_irq, ret); irq_err = REQ_IRQ_ERR_WOL; goto irq_error; @@ -3572,7 +3572,7 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) 0, int_name, dev); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc lpi MSI %d (error: %d)\n", + "%s: alloc lpi irq %d (error: %d)\n", __func__, priv->lpi_irq, ret); irq_err = REQ_IRQ_ERR_LPI; goto irq_error; @@ -3590,7 +3590,7 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) 0, int_name, dev); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc sfty ce MSI %d (error: %d)\n", + "%s: alloc sfty ce irq %d (error: %d)\n", __func__, priv->sfty_ce_irq, ret); irq_err = REQ_IRQ_ERR_SFTY_CE; goto irq_error; @@ -3608,14 +3608,14 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) 0, int_name, dev); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc sfty ue MSI %d (error: %d)\n", + "%s: alloc sfty ue irq %d (error: %d)\n", __func__, priv->sfty_ue_irq, ret); irq_err = REQ_IRQ_ERR_SFTY_UE; goto irq_error; } } - /* Request Rx MSI irq */ + /* Request Rx queue irq */ for (i = 0; i < priv->plat->rx_queues_to_use; i++) { if (i >= MTL_MAX_RX_QUEUES) break; @@ -3625,11 +3625,11 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) int_name = priv->int_name_rx_irq[i]; sprintf(int_name, "%s:%s-%d", dev->name, "rx", i); ret = request_irq(priv->rx_irq[i], - stmmac_msi_intr_rx, + stmmac_queue_intr_rx, 0, int_name, &priv->dma_conf.rx_queue[i]); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc rx-%d MSI %d (error: %d)\n", + "%s: alloc rx-%d irq %d (error: %d)\n", __func__, i, priv->rx_irq[i], ret); irq_err = REQ_IRQ_ERR_RX; irq_idx = i; @@ -3640,7 +3640,7 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) irq_set_affinity_hint(priv->rx_irq[i], &cpu_mask); } - /* Request Tx MSI irq */ + /* Request Tx queue irq */ for (i = 0; i < priv->plat->tx_queues_to_use; i++) { if (i >= MTL_MAX_TX_QUEUES) break; @@ -3650,11 +3650,11 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) int_name = priv->int_name_tx_irq[i]; sprintf(int_name, "%s:%s-%d", dev->name, "tx", i); ret = request_irq(priv->tx_irq[i], - stmmac_msi_intr_tx, + stmmac_queue_intr_tx, 0, int_name, &priv->dma_conf.tx_queue[i]); if (unlikely(ret < 0)) { netdev_err(priv->dev, - "%s: alloc tx-%d MSI %d (error: %d)\n", + "%s: alloc tx-%d irq %d (error: %d)\n", __func__, i, priv->tx_irq[i], ret); irq_err = REQ_IRQ_ERR_TX; irq_idx = i; @@ -3729,8 +3729,8 @@ static int stmmac_request_irq(struct net_device *dev) int ret; /* Request the IRQ lines */ - if (priv->plat->flags & STMMAC_FLAG_MULTI_MSI_EN) - ret = stmmac_request_irq_multi_msi(dev); + if (priv->plat->flags & STMMAC_FLAG_PERCH_IRQ_EN) + ret = stmmac_request_irq_multi_channel(dev); else ret = stmmac_request_irq_single(dev); @@ -5945,7 +5945,7 @@ static irqreturn_t stmmac_safety_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static irqreturn_t stmmac_msi_intr_tx(int irq, void *data) +static irqreturn_t stmmac_queue_intr_tx(int irq, void *data) { struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)data; struct stmmac_dma_conf *dma_conf; @@ -5977,7 +5977,7 @@ static irqreturn_t stmmac_msi_intr_tx(int irq, void *data) return IRQ_HANDLED; } -static irqreturn_t stmmac_msi_intr_rx(int irq, void *data) +static irqreturn_t stmmac_queue_intr_rx(int irq, void *data) { struct stmmac_rx_queue *rx_q = (struct stmmac_rx_queue *)data; struct stmmac_dma_conf *dma_conf; @@ -6014,12 +6014,12 @@ static void stmmac_poll_controller(struct net_device *dev) if (test_bit(STMMAC_DOWN, &priv->state)) return; - if (priv->plat->flags & STMMAC_FLAG_MULTI_MSI_EN) { + if (priv->plat->flags & STMMAC_FLAG_PERCH_IRQ_EN) { for (i = 0; i < priv->plat->rx_queues_to_use; i++) - stmmac_msi_intr_rx(0, &priv->dma_conf.rx_queue[i]); + stmmac_queue_intr_rx(0, &priv->dma_conf.rx_queue[i]); for (i = 0; i < priv->plat->tx_queues_to_use; i++) - stmmac_msi_intr_tx(0, &priv->dma_conf.tx_queue[i]); + stmmac_queue_intr_tx(0, &priv->dma_conf.tx_queue[i]); } else { disable_irq(dev->irq); stmmac_interrupt(dev->irq, dev); @@ -7300,8 +7300,8 @@ int stmmac_dvr_probe(struct device *device, priv->plat = plat_dat; priv->ioaddr = res->addr; priv->dev->base_addr = (unsigned long)res->addr; - priv->plat->dma_cfg->multi_msi_en = - (priv->plat->flags & STMMAC_FLAG_MULTI_MSI_EN); + priv->plat->dma_cfg->perch_irq_en = + (priv->plat->flags & STMMAC_FLAG_PERCH_IRQ_EN); priv->dev->irq = res->irq; priv->wol_irq = res->wol_irq; diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index 9c90e2e295d4..c052c222fa3e 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -98,7 +98,7 @@ struct stmmac_dma_cfg { int mixed_burst; bool aal; bool eame; - bool multi_msi_en; + bool perch_irq_en; bool dche; }; @@ -213,7 +213,7 @@ struct dwmac4_addrs { #define STMMAC_FLAG_TSO_EN BIT(4) #define STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP BIT(5) #define STMMAC_FLAG_VLAN_FAIL_Q_EN BIT(6) -#define STMMAC_FLAG_MULTI_MSI_EN BIT(7) +#define STMMAC_FLAG_PERCH_IRQ_EN BIT(7) #define STMMAC_FLAG_EXT_SNAPSHOT_EN BIT(8) #define STMMAC_FLAG_INT_SNAPSHOT_EN BIT(9) #define STMMAC_FLAG_RX_CLK_RUNS_IN_LPI BIT(10)

[net-next,v4,4/9] net: stmmac: reflect multi irqs for tx/rx channels and mac and safety

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