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net: stmmac: Improvements for -next

PATCH Superseded Jose Abreu 2 participants 12 messages Aug 7, 2019 – Aug 9, 2019

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Jose Abreu

author
#0 lore raw

v3 cover net: stmmac: Improvements for -next

[ This is just a rebase of v2 into latest -next in order to avoid a merge conflict ]

Couple of improvements for -next tree. More info in commit logs.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---

Jose Abreu (10):
net: stmmac: xgmac: Implement MMC counters
net: stmmac: xgmac: Implement set_mtl_tx_queue_weight()
net: stmmac: xgmac: Implement tx_queue_prio()
net: stmmac: Implement RSS and enable it in XGMAC core
net: stmmac: selftests: Add RSS test
net: stmmac: Implement VLAN Hash Filtering in XGMAC
net: stmmac: selftests: Add test for VLAN and Double VLAN Filtering
net: stmmac: Implement Safety Features in XGMAC core
net: stmmac: Add Flexible RX Parser support in XGMAC
net: stmmac: selftests: Add a selftest for Flexible RX Parser

 drivers/net/ethernet/stmicro/stmmac/common.h       |   6 +
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     |  76 ++-
 .../net/ethernet/stmicro/stmmac/dwxgmac2_core.c    | 605 ++++++++++++++++++++-
 .../net/ethernet/stmicro/stmmac/dwxgmac2_descs.c   |  29 +
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |  10 +
 drivers/net/ethernet/stmicro/stmmac/hwif.c         |   4 +-
 drivers/net/ethernet/stmicro/stmmac/hwif.h         |  17 +
 drivers/net/ethernet/stmicro/stmmac/mmc.h          |   9 +
 drivers/net/ethernet/stmicro/stmmac/mmc_core.c     | 192 +++++++
 drivers/net/ethernet/stmicro/stmmac/stmmac.h       |  11 +
 .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c   |  81 +++
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  | 120 +++-
 .../net/ethernet/stmicro/stmmac/stmmac_selftests.c | 322 ++++++++++-
 include/linux/stmmac.h                             |   1 +
 14 files changed, 1474 insertions(+), 9 deletions(-)
Signature · 1 line
2.7.4
author
#1 lore raw

PATCH v3 1/10 net: stmmac: xgmac: Implement MMC counters

Implement the MMC counters feature in XGMAC core.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     |   1 +
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |   1 +
 drivers/net/ethernet/stmicro/stmmac/hwif.c         |   4 +-
 drivers/net/ethernet/stmicro/stmmac/hwif.h         |   1 +
 drivers/net/ethernet/stmicro/stmmac/mmc.h          |   9 +
 drivers/net/ethernet/stmicro/stmmac/mmc_core.c     | 192 +++++++++++++++++++++
 .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c   |   6 +
 7 files changed, 212 insertions(+), 2 deletions(-)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +1 -0
index 3174b701aa90..86a42bc39d21 100644
@@ -84,6 +84,7 @@
 #define XGMAC_HWFEAT_AVSEL		BIT(11)
 #define XGMAC_HWFEAT_RAVSEL		BIT(10)
 #define XGMAC_HWFEAT_ARPOFFSEL		BIT(9)
+#define XGMAC_HWFEAT_MMCSEL		BIT(8)
 #define XGMAC_HWFEAT_MGKSEL		BIT(7)
 #define XGMAC_HWFEAT_RWKSEL		BIT(6)
 #define XGMAC_HWFEAT_GMIISEL		BIT(1)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +1 -0
index a4f236e3593e..0f1c772e892a 100644
@@ -356,6 +356,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
 	dma_cap->atime_stamp = (hw_cap & XGMAC_HWFEAT_TSSEL) >> 12;
 	dma_cap->av = (hw_cap & XGMAC_HWFEAT_AVSEL) >> 11;
 	dma_cap->av &= (hw_cap & XGMAC_HWFEAT_RAVSEL) >> 10;
+	dma_cap->rmon = (hw_cap & XGMAC_HWFEAT_MMCSEL) >> 8;
 	dma_cap->pmt_magic_frame = (hw_cap & XGMAC_HWFEAT_MGKSEL) >> 7;
 	dma_cap->pmt_remote_wake_up = (hw_cap & XGMAC_HWFEAT_RWKSEL) >> 6;
 	dma_cap->mbps_1000 = (hw_cap & XGMAC_HWFEAT_GMIISEL) >> 1;
drivers/net/ethernet/stmicro/stmmac/hwif.c +2 -2
index 6c61b753b55e..3af2e5015245 100644
@@ -201,7 +201,7 @@ static const struct stmmac_hwif_entry {
 		.min_id = DWXGMAC_CORE_2_10,
 		.regs = {
 			.ptp_off = PTP_XGMAC_OFFSET,
-			.mmc_off = 0,
+			.mmc_off = MMC_XGMAC_OFFSET,
 		},
 		.desc = &dwxgmac210_desc_ops,
 		.dma = &dwxgmac210_dma_ops,
@@ -209,7 +209,7 @@ static const struct stmmac_hwif_entry {
 		.hwtimestamp = &stmmac_ptp,
 		.mode = NULL,
 		.tc = &dwmac510_tc_ops,
-		.mmc = NULL,
+		.mmc = &dwxgmac_mmc_ops,
 		.setup = dwxgmac2_setup,
 		.quirks = NULL,
 	},
drivers/net/ethernet/stmicro/stmmac/hwif.h +1 -0
index 278c0dbec9d9..00539a09d1db 100644
@@ -503,6 +503,7 @@ extern const struct stmmac_ops dwxgmac210_ops;
 extern const struct stmmac_dma_ops dwxgmac210_dma_ops;
 extern const struct stmmac_desc_ops dwxgmac210_desc_ops;
 extern const struct stmmac_mmc_ops dwmac_mmc_ops;
+extern const struct stmmac_mmc_ops dwxgmac_mmc_ops;
 
 #define GMAC_VERSION		0x00000020	/* GMAC CORE Version */
 #define GMAC4_VERSION		0x00000110	/* GMAC4+ CORE Version */
drivers/net/ethernet/stmicro/stmmac/mmc.h +9 -0
index 3587ceb9faf5..a0c05925883e 100644
@@ -24,6 +24,7 @@
 
 #define MMC_GMAC4_OFFSET		0x700
 #define MMC_GMAC3_X_OFFSET		0x100
+#define MMC_XGMAC_OFFSET		0x800
 
 struct stmmac_counters {
 	unsigned int mmc_tx_octetcount_gb;
@@ -116,6 +117,14 @@ struct stmmac_counters {
 	unsigned int mmc_rx_tcp_err_octets;
 	unsigned int mmc_rx_icmp_gd_octets;
 	unsigned int mmc_rx_icmp_err_octets;
+
+	/* FPE */
+	unsigned int mmc_tx_fpe_fragment_cntr;
+	unsigned int mmc_tx_hold_req_cntr;
+	unsigned int mmc_rx_packet_assembly_err_cntr;
+	unsigned int mmc_rx_packet_smd_err_cntr;
+	unsigned int mmc_rx_packet_assembly_ok_cntr;
+	unsigned int mmc_rx_fpe_fragment_cntr;
 };
 
 #endif /* __MMC_H__ */
drivers/net/ethernet/stmicro/stmmac/mmc_core.c +192 -0

201 lines not on this page · raw message

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +6 -0
index 6efb66820d4c..d294590cba27 100644
@@ -243,6 +243,12 @@ static const struct stmmac_stats stmmac_mmc[] = {
 	STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
 	STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
 	STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
+	STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr),
+	STMMAC_MMC_STAT(mmc_tx_hold_req_cntr),
+	STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr),
+	STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr),
+	STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr),
+	STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr),
 };
 #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
 
Signature · 1 line
2.7.4
author
#2 lore raw

PATCH v3 2/10 net: stmmac: xgmac: Implement set_mtl_tx_queue_weight()

In reply to Jose Abreu

Implement the TX Queue Weight callback. In order for this to be active we also need to set ETS algorithm when configuring Queue.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 .../net/ethernet/stmicro/stmmac/dwxgmac2_core.c    | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +21 -1
index 85c68b7ee8c6..ce6503dfc86d 100644
@@ -144,7 +144,9 @@ static void dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info *hw,
 					    u32 tx_alg)
 {
 	void __iomem *ioaddr = hw->pcsr;
+	bool ets = true;
 	u32 value;
+	int i;
 
 	value = readl(ioaddr + XGMAC_MTL_OPMODE);
 	value &= ~XGMAC_ETSALG;
@@ -160,10 +162,28 @@ static void dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info *hw,
 		value |= XGMAC_DWRR;
 		break;
 	default:
+		ets = false;
 		break;
 	}
 
 	writel(value, ioaddr + XGMAC_MTL_OPMODE);
+
+	/* Set ETS if desired */
+	for (i = 0; i < MTL_MAX_TX_QUEUES; i++) {
+		value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
+		value &= ~XGMAC_TSA;
+		if (ets)
+			value |= XGMAC_ETS;
+		writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
+	}
+}
+
+static void dwxgmac2_set_mtl_tx_queue_weight(struct mac_device_info *hw,
+					     u32 weight, u32 queue)
+{
+	void __iomem *ioaddr = hw->pcsr;
+
+	writel(weight, ioaddr + XGMAC_MTL_TCx_QUANTUM_WEIGHT(queue));
 }
 
 static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,
@@ -412,7 +432,7 @@ const struct stmmac_ops dwxgmac210_ops = {
 	.rx_queue_routing = NULL,
 	.prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
 	.prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
-	.set_mtl_tx_queue_weight = NULL,
+	.set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
 	.map_mtl_to_dma = dwxgmac2_map_mtl_to_dma,
 	.config_cbs = dwxgmac2_config_cbs,
 	.dump_regs = NULL,
Signature · 1 line
2.7.4
author
#3 lore raw

PATCH v3 3/10 net: stmmac: xgmac: Implement tx_queue_prio()

In reply to Jose Abreu

Implement the TX Queue Priority callback in XGMAC core.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h      |  4 ++++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 19 ++++++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +4 -0
index 86a42bc39d21..b77091161765 100644
@@ -127,6 +127,10 @@
 #define XGMAC_MTL_RXQ_DMA_MAP1		0x00001034
 #define XGMAC_QxMDMACH(x)		GENMASK((x) * 8 + 3, (x) * 8)
 #define XGMAC_QxMDMACH_SHIFT(x)		((x) * 8)
+#define XGMAC_TC_PRTY_MAP0		0x00001040
+#define XGMAC_TC_PRTY_MAP1		0x00001044
+#define XGMAC_PSTC(x)			GENMASK((x) * 8 + 7, (x) * 8)
+#define XGMAC_PSTC_SHIFT(x)		((x) * 8)
 #define XGMAC_MTL_TXQ_OPMODE(x)		(0x00001100 + (0x80 * (x)))
 #define XGMAC_TQS			GENMASK(25, 16)
 #define XGMAC_TQS_SHIFT			16
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +18 -1
index ce6503dfc86d..bfbd5ae11540 100644
@@ -118,6 +118,23 @@ static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio,
 	writel(value, ioaddr + reg);
 }
 
+static void dwxgmac2_tx_queue_prio(struct mac_device_info *hw, u32 prio,
+				   u32 queue)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 value, reg;
+
+	reg = (queue < 4) ? XGMAC_TC_PRTY_MAP0 : XGMAC_TC_PRTY_MAP1;
+	if (queue >= 4)
+		queue -= 4;
+
+	value = readl(ioaddr + reg);
+	value &= ~XGMAC_PSTC(queue);
+	value |= (prio << XGMAC_PSTC_SHIFT(queue)) & XGMAC_PSTC(queue);
+
+	writel(value, ioaddr + reg);
+}
+
 static void dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info *hw,
 					    u32 rx_alg)
 {
@@ -428,7 +445,7 @@ const struct stmmac_ops dwxgmac210_ops = {
 	.rx_ipc = dwxgmac2_rx_ipc,
 	.rx_queue_enable = dwxgmac2_rx_queue_enable,
 	.rx_queue_prio = dwxgmac2_rx_queue_prio,
-	.tx_queue_prio = NULL,
+	.tx_queue_prio = dwxgmac2_tx_queue_prio,
 	.rx_queue_routing = NULL,
 	.prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
 	.prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
Signature · 1 line
2.7.4
author
#4 lore raw

PATCH v3 4/10 net: stmmac: Implement RSS and enable it in XGMAC core

In reply to Jose Abreu

Implement the RSS functionality and add the corresponding callbacks in XGMAC core.

Changes from v1:
- Do not use magic constants (Jakub)
- Use ethtool_rxfh_indir_default() (Jakub)

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Jakub Kicinski <[email protected]>

---
 drivers/net/ethernet/stmicro/stmmac/common.h       |  5 ++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     | 22 ++++++-
 .../net/ethernet/stmicro/stmmac/dwxgmac2_core.c    | 52 +++++++++++++++
 .../net/ethernet/stmicro/stmmac/dwxgmac2_descs.c   | 29 +++++++++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |  1 +
 drivers/net/ethernet/stmicro/stmmac/hwif.h         | 11 ++++
 drivers/net/ethernet/stmicro/stmmac/stmmac.h       |  9 +++
 .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c   | 75 ++++++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  | 41 +++++++++++-
 include/linux/stmmac.h                             |  1 +
 10 files changed, 242 insertions(+), 4 deletions(-)
drivers/net/ethernet/stmicro/stmmac/common.h +5 -0
index ed872eed1cab..45a997fe571c 100644
@@ -354,6 +354,7 @@ struct dma_features {
 	unsigned int frpbs;
 	unsigned int frpes;
 	unsigned int addr64;
+	unsigned int rssen;
 };
 
 /* GMAC TX FIFO is 8K, Rx FIFO is 16K */
@@ -381,6 +382,10 @@ struct dma_features {
 
 #define JUMBO_LEN		9000
 
+/* Receive Side Scaling */
+#define STMMAC_RSS_HASH_KEY_SIZE	40
+#define STMMAC_RSS_MAX_TABLE_SIZE	256
+
 extern const struct stmmac_desc_ops enh_desc_ops;
 extern const struct stmmac_desc_ops ndesc_ops;
 
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +21 -1
index b77091161765..ed3a85f73a72 100644
@@ -89,6 +89,7 @@
 #define XGMAC_HWFEAT_RWKSEL		BIT(6)
 #define XGMAC_HWFEAT_GMIISEL		BIT(1)
 #define XGMAC_HW_FEATURE1		0x00000120
+#define XGMAC_HWFEAT_RSSEN		BIT(20)
 #define XGMAC_HWFEAT_TSOEN		BIT(18)
 #define XGMAC_HWFEAT_ADDR64		GENMASK(15, 14)
 #define XGMAC_HWFEAT_TXFIFOSIZE		GENMASK(10, 6)
@@ -109,6 +110,17 @@
 #define XGMAC_DCS_SHIFT			16
 #define XGMAC_ADDRx_LOW(x)		(0x00000304 + (x) * 0x8)
 #define XGMAC_ARP_ADDR			0x00000c10
+#define XGMAC_RSS_CTRL			0x00000c80
+#define XGMAC_UDP4TE			BIT(3)
+#define XGMAC_TCP4TE			BIT(2)
+#define XGMAC_IP2TE			BIT(1)
+#define XGMAC_RSSE			BIT(0)
+#define XGMAC_RSS_ADDR			0x00000c88
+#define XGMAC_RSSIA_SHIFT		8
+#define XGMAC_ADDRT			BIT(2)
+#define XGMAC_CT			BIT(1)
+#define XGMAC_OB			BIT(0)
+#define XGMAC_RSS_DATA			0x00000c8c
 #define XGMAC_TIMESTAMP_STATUS		0x00000d20
 #define XGMAC_TXTSC			BIT(15)
 #define XGMAC_TXTIMESTAMP_NSEC		0x00000d30
@@ -125,8 +137,9 @@
 #define XGMAC_MTL_INT_STATUS		0x00001020
 #define XGMAC_MTL_RXQ_DMA_MAP0		0x00001030
 #define XGMAC_MTL_RXQ_DMA_MAP1		0x00001034
-#define XGMAC_QxMDMACH(x)		GENMASK((x) * 8 + 3, (x) * 8)
+#define XGMAC_QxMDMACH(x)		GENMASK((x) * 8 + 7, (x) * 8)
 #define XGMAC_QxMDMACH_SHIFT(x)		((x) * 8)
+#define XGMAC_QDDMACH			BIT(7)
 #define XGMAC_TC_PRTY_MAP0		0x00001040
 #define XGMAC_TC_PRTY_MAP1		0x00001044
 #define XGMAC_PSTC(x)			GENMASK((x) * 8 + 7, (x) * 8)
@@ -261,6 +274,13 @@
 #define XGMAC_RDES3_IOC			BIT(30)
 #define XGMAC_RDES3_LD			BIT(28)
 #define XGMAC_RDES3_CDA			BIT(27)
+#define XGMAC_RDES3_RSV			BIT(26)
+#define XGMAC_RDES3_L34T		GENMASK(23, 20)
+#define XGMAC_RDES3_L34T_SHIFT		20
+#define XGMAC_L34T_IP4TCP		0x1
+#define XGMAC_L34T_IP4UDP		0x2
+#define XGMAC_L34T_IP6TCP		0x9
+#define XGMAC_L34T_IP6UDP		0xA
 #define XGMAC_RDES3_ES			BIT(15)
 #define XGMAC_RDES3_PL			GENMASK(13, 0)
 #define XGMAC_RDES3_TSD			BIT(6)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +52 -0

70 lines not on this page · raw message

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c +29 -0
index c4c45402b8f8..8c5dd6a36157 100644
@@ -254,6 +254,34 @@ static void dwxgmac2_clear(struct dma_desc *p)
 	p->des3 = 0;
 }
 
+static int dwxgmac2_get_rx_hash(struct dma_desc *p, u32 *hash,
+				enum pkt_hash_types *type)
+{
+	unsigned int rdes3 = le32_to_cpu(p->des3);
+	u32 ptype;
+
+	if (rdes3 & XGMAC_RDES3_RSV) {
+		ptype = (rdes3 & XGMAC_RDES3_L34T) >> XGMAC_RDES3_L34T_SHIFT;
+
+		switch (ptype) {
+		case XGMAC_L34T_IP4TCP:
+		case XGMAC_L34T_IP4UDP:
+		case XGMAC_L34T_IP6TCP:
+		case XGMAC_L34T_IP6UDP:
+			*type = PKT_HASH_TYPE_L4;
+			break;
+		default:
+			*type = PKT_HASH_TYPE_L3;
+			break;
+		}
+
+		*hash = le32_to_cpu(p->des1);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 const struct stmmac_desc_ops dwxgmac210_desc_ops = {
 	.tx_status = dwxgmac2_get_tx_status,
 	.rx_status = dwxgmac2_get_rx_status,
@@ -277,4 +305,5 @@ const struct stmmac_desc_ops dwxgmac210_desc_ops = {
 	.get_addr = dwxgmac2_get_addr,
 	.set_addr = dwxgmac2_set_addr,
 	.clear = dwxgmac2_clear,
+	.get_rx_hash = dwxgmac2_get_rx_hash,
 };
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +1 -0
index 0f1c772e892a..45a6634ee397 100644
@@ -363,6 +363,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
 
 	/* MAC HW feature 1 */
 	hw_cap = readl(ioaddr + XGMAC_HW_FEATURE1);
+	dma_cap->rssen = (hw_cap & XGMAC_HWFEAT_RSSEN) >> 20;
 	dma_cap->tsoen = (hw_cap & XGMAC_HWFEAT_TSOEN) >> 18;
 
 	dma_cap->addr64 = (hw_cap & XGMAC_HWFEAT_ADDR64) >> 14;
drivers/net/ethernet/stmicro/stmmac/hwif.h +11 -0
index 00539a09d1db..bfe7efee9481 100644
@@ -86,6 +86,9 @@ struct stmmac_desc_ops {
 	void (*set_addr)(struct dma_desc *p, dma_addr_t addr);
 	/* clear descriptor */
 	void (*clear)(struct dma_desc *p);
+	/* RSS */
+	int (*get_rx_hash)(struct dma_desc *p, u32 *hash,
+			   enum pkt_hash_types *type);
 };
 
 #define stmmac_init_rx_desc(__priv, __args...) \
@@ -136,6 +139,8 @@ struct stmmac_desc_ops {
 	stmmac_do_void_callback(__priv, desc, set_addr, __args)
 #define stmmac_clear_desc(__priv, __args...) \
 	stmmac_do_void_callback(__priv, desc, clear, __args)
+#define stmmac_get_rx_hash(__priv, __args...) \
+	stmmac_do_callback(__priv, desc, get_rx_hash, __args)
 
 struct stmmac_dma_cfg;
 struct dma_features;
@@ -249,6 +254,7 @@ struct rgmii_adv;
 struct stmmac_safety_stats;
 struct stmmac_tc_entry;
 struct stmmac_pps_cfg;
+struct stmmac_rss;
 
 /* Helpers to program the MAC core */
 struct stmmac_ops {
@@ -327,6 +333,9 @@ struct stmmac_ops {
 			       u32 sub_second_inc, u32 systime_flags);
 	/* Loopback for selftests */
 	void (*set_mac_loopback)(void __iomem *ioaddr, bool enable);
+	/* RSS */
+	int (*rss_configure)(struct mac_device_info *hw,
+			     struct stmmac_rss *cfg, u32 num_rxq);
 };
 
 #define stmmac_core_init(__priv, __args...) \
@@ -397,6 +406,8 @@ struct stmmac_ops {
 	stmmac_do_callback(__priv, mac, flex_pps_config, __args)
 #define stmmac_set_mac_loopback(__priv, __args...) \
 	stmmac_do_void_callback(__priv, mac, set_mac_loopback, __args)
+#define stmmac_rss_configure(__priv, __args...) \
+	stmmac_do_callback(__priv, mac, rss_configure, __args)
 
 /* PTP and HW Timer helpers */
 struct stmmac_hwtimestamp {
drivers/net/ethernet/stmicro/stmmac/stmmac.h +9 -0
index 5cd966c154f3..d2f6f56ae29c 100644
@@ -113,6 +113,12 @@ struct stmmac_pps_cfg {
 	struct timespec64 period;
 };
 
+struct stmmac_rss {
+	int enable;
+	u8 key[STMMAC_RSS_HASH_KEY_SIZE];
+	u32 table[STMMAC_RSS_MAX_TABLE_SIZE];
+};
+
 struct stmmac_priv {
 	/* Frequently used values are kept adjacent for cache effect */
 	u32 tx_coal_frames;
@@ -203,6 +209,9 @@ struct stmmac_priv {
 
 	/* Pulse Per Second output */
 	struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
+
+	/* Receive Side Scaling */
+	struct stmmac_rss rss;
 };
 
 enum stmmac_state {
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +75 -0

87 lines not on this page · raw message

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +38 -3

79 lines not on this page · raw message

include/linux/stmmac.h +1 -0
index 7b3e354bcd3c..5cc6b6faf359 100644
@@ -173,6 +173,7 @@ struct plat_stmmacenet_data {
 	int has_gmac4;
 	bool has_sun8i;
 	bool tso_en;
+	int rss_en;
 	int mac_port_sel_speed;
 	bool en_tx_lpi_clockgating;
 	int has_xgmac;
Signature · 1 line
2.7.4
author
#5 lore raw

PATCH v3 5/10 net: stmmac: selftests: Add RSS test

In reply to Jose Abreu

Add a test for RSS in the stmmac selftests.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 .../net/ethernet/stmicro/stmmac/stmmac_selftests.c    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +19 -0
index a97b1ea76438..83b775a8cedc 100644
@@ -700,6 +700,21 @@ static int stmmac_test_flowctrl(struct stmmac_priv *priv)
 	return ret;
 }
 
+static int stmmac_test_rss(struct stmmac_priv *priv)
+{
+	struct stmmac_packet_attrs attr = { };
+
+	if (!priv->dma_cap.rssen || !priv->rss.enable)
+		return -EOPNOTSUPP;
+
+	attr.dst = priv->dev->dev_addr;
+	attr.exp_hash = true;
+	attr.sport = 0x321;
+	attr.dport = 0x123;
+
+	return __stmmac_test_loopback(priv, &attr);
+}
+
 #define STMMAC_LOOPBACK_NONE	0
 #define STMMAC_LOOPBACK_MAC	1
 #define STMMAC_LOOPBACK_PHY	2
@@ -745,6 +760,10 @@ static const struct stmmac_test {
 		.name = "Flow Control         ",
 		.lb = STMMAC_LOOPBACK_PHY,
 		.fn = stmmac_test_flowctrl,
+	}, {
+		.name = "RSS                  ",
+		.lb = STMMAC_LOOPBACK_PHY,
+		.fn = stmmac_test_rss,
 	},
 };
 
Signature · 7 lines
2.7.4


_______________________________________________
linux-arm-kernel mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
author
#6 lore raw

PATCH v3 6/10 net: stmmac: Implement VLAN Hash Filtering in XGMAC

In reply to Jose Abreu

Implement the VLAN Hash Filtering feature in XGMAC core.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 drivers/net/ethernet/stmicro/stmmac/common.h       |  1 +
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     | 10 +++
 .../net/ethernet/stmicro/stmmac/dwxgmac2_core.c    | 41 +++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |  1 +
 drivers/net/ethernet/stmicro/stmmac/hwif.h         |  5 ++
 drivers/net/ethernet/stmicro/stmmac/stmmac.h       |  2 +
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  | 79 ++++++++++++++++++++++
 7 files changed, 139 insertions(+)
drivers/net/ethernet/stmicro/stmmac/common.h +1 -0
index 45a997fe571c..e1e6f67041ec 100644
@@ -355,6 +355,7 @@ struct dma_features {
 	unsigned int frpes;
 	unsigned int addr64;
 	unsigned int rssen;
+	unsigned int vlhash;
 };
 
 /* GMAC TX FIFO is 8K, Rx FIFO is 16K */
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +10 -0
index ed3a85f73a72..bae0b01000cc 100644
@@ -44,6 +44,7 @@
 #define XGMAC_CORE_INIT_RX		0
 #define XGMAC_PACKET_FILTER		0x00000008
 #define XGMAC_FILTER_RA			BIT(31)
+#define XGMAC_FILTER_VTFE		BIT(16)
 #define XGMAC_FILTER_HPF		BIT(10)
 #define XGMAC_FILTER_PCF		BIT(7)
 #define XGMAC_FILTER_PM			BIT(4)
@@ -51,6 +52,14 @@
 #define XGMAC_FILTER_PR			BIT(0)
 #define XGMAC_HASH_TABLE(x)		(0x00000010 + (x) * 4)
 #define XGMAC_MAX_HASH_TABLE		8
+#define XGMAC_VLAN_TAG			0x00000050
+#define XGMAC_VLAN_EDVLP		BIT(26)
+#define XGMAC_VLAN_VTHM			BIT(25)
+#define XGMAC_VLAN_DOVLTC		BIT(20)
+#define XGMAC_VLAN_ESVL			BIT(18)
+#define XGMAC_VLAN_ETV			BIT(16)
+#define XGMAC_VLAN_VID			GENMASK(15, 0)
+#define XGMAC_VLAN_HASH_TABLE		0x00000058
 #define XGMAC_RXQ_CTRL0			0x000000a0
 #define XGMAC_RXQEN(x)			GENMASK((x) * 2 + 1, (x) * 2)
 #define XGMAC_RXQEN_SHIFT(x)		((x) * 2)
@@ -87,6 +96,7 @@
 #define XGMAC_HWFEAT_MMCSEL		BIT(8)
 #define XGMAC_HWFEAT_MGKSEL		BIT(7)
 #define XGMAC_HWFEAT_RWKSEL		BIT(6)
+#define XGMAC_HWFEAT_VLHASH		BIT(4)
 #define XGMAC_HWFEAT_GMIISEL		BIT(1)
 #define XGMAC_HW_FEATURE1		0x00000120
 #define XGMAC_HWFEAT_RSSEN		BIT(20)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +41 -0

53 lines not on this page · raw message

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +1 -0
index 45a6634ee397..b50e275e76c2 100644
@@ -359,6 +359,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
 	dma_cap->rmon = (hw_cap & XGMAC_HWFEAT_MMCSEL) >> 8;
 	dma_cap->pmt_magic_frame = (hw_cap & XGMAC_HWFEAT_MGKSEL) >> 7;
 	dma_cap->pmt_remote_wake_up = (hw_cap & XGMAC_HWFEAT_RWKSEL) >> 6;
+	dma_cap->vlhash = (hw_cap & XGMAC_HWFEAT_VLHASH) >> 4;
 	dma_cap->mbps_1000 = (hw_cap & XGMAC_HWFEAT_GMIISEL) >> 1;
 
 	/* MAC HW feature 1 */
drivers/net/ethernet/stmicro/stmmac/hwif.h +5 -0
index bfe7efee9481..52fc2344b066 100644
@@ -336,6 +336,9 @@ struct stmmac_ops {
 	/* RSS */
 	int (*rss_configure)(struct mac_device_info *hw,
 			     struct stmmac_rss *cfg, u32 num_rxq);
+	/* VLAN */
+	void (*update_vlan_hash)(struct mac_device_info *hw, u32 hash,
+				 bool is_double);
 };
 
 #define stmmac_core_init(__priv, __args...) \
@@ -408,6 +411,8 @@ struct stmmac_ops {
 	stmmac_do_void_callback(__priv, mac, set_mac_loopback, __args)
 #define stmmac_rss_configure(__priv, __args...) \
 	stmmac_do_callback(__priv, mac, rss_configure, __args)
+#define stmmac_update_vlan_hash(__priv, __args...) \
+	stmmac_do_void_callback(__priv, mac, update_vlan_hash, __args)
 
 /* PTP and HW Timer helpers */
 struct stmmac_hwtimestamp {
drivers/net/ethernet/stmicro/stmmac/stmmac.h +2 -0
index d2f6f56ae29c..4179559b11ad 100644
@@ -13,6 +13,7 @@
 #define DRV_MODULE_VERSION	"Jan_2016"
 
 #include <linux/clk.h>
+#include <linux/if_vlan.h>
 #include <linux/stmmac.h>
 #include <linux/phylink.h>
 #include <linux/pci.h>
@@ -191,6 +192,7 @@ struct stmmac_priv {
 	spinlock_t ptp_lock;
 	void __iomem *mmcaddr;
 	void __iomem *ptpaddr;
+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *dbgfs_dir;
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +79 -0

97 lines not on this page · raw message

Signature · 1 line
2.7.4
author
#7 lore raw

PATCH v3 7/10 net: stmmac: selftests: Add test for VLAN and Double VLAN Filtering

In reply to Jose Abreu

Add a selftest for VLAN and Double VLAN Filtering in stmmac.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 .../net/ethernet/stmicro/stmmac/stmmac_selftests.c | 205 +++++++++++++++++++++
 1 file changed, 205 insertions(+)
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +205 -0
index 83b775a8cedc..6b08bb15af15 100644
@@ -715,6 +715,203 @@ static int stmmac_test_rss(struct stmmac_priv *priv)
 	return __stmmac_test_loopback(priv, &attr);
 }
 
+static int stmmac_test_vlan_validate(struct sk_buff *skb,
+				     struct net_device *ndev,
+				     struct packet_type *pt,
+				     struct net_device *orig_ndev)
+{
+	struct stmmac_test_priv *tpriv = pt->af_packet_priv;
+	struct stmmachdr *shdr;
+	struct ethhdr *ehdr;
+	struct udphdr *uhdr;
+	struct iphdr *ihdr;
+
+	skb = skb_unshare(skb, GFP_ATOMIC);
+	if (!skb)
+		goto out;
+
+	if (skb_linearize(skb))
+		goto out;
+	if (skb_headlen(skb) < (STMMAC_TEST_PKT_SIZE - ETH_HLEN))
+		goto out;
+
+	ehdr = (struct ethhdr *)skb_mac_header(skb);
+	if (!ether_addr_equal(ehdr->h_dest, tpriv->packet->dst))
+		goto out;
+
+	ihdr = ip_hdr(skb);
+	if (tpriv->double_vlan)
+		ihdr = (struct iphdr *)(skb_network_header(skb) + 4);
+	if (ihdr->protocol != IPPROTO_UDP)
+		goto out;
+
+	uhdr = (struct udphdr *)((u8 *)ihdr + 4 * ihdr->ihl);
+	if (uhdr->dest != htons(tpriv->packet->dport))
+		goto out;
+
+	shdr = (struct stmmachdr *)((u8 *)uhdr + sizeof(*uhdr));
+	if (shdr->magic != cpu_to_be64(STMMAC_TEST_PKT_MAGIC))
+		goto out;
+
+	tpriv->ok = true;
+	complete(&tpriv->comp);
+
+out:
+	kfree_skb(skb);
+	return 0;
+}
+
+static int stmmac_test_vlanfilt(struct stmmac_priv *priv)
+{
+	struct stmmac_packet_attrs attr = { };
+	struct stmmac_test_priv *tpriv;
+	struct sk_buff *skb = NULL;
+	int ret = 0, i;
+
+	if (!priv->dma_cap.vlhash)
+		return -EOPNOTSUPP;
+
+	tpriv = kzalloc(sizeof(*tpriv), GFP_KERNEL);
+	if (!tpriv)
+		return -ENOMEM;
+
+	tpriv->ok = false;
+	init_completion(&tpriv->comp);
+
+	tpriv->pt.type = htons(ETH_P_IP);
+	tpriv->pt.func = stmmac_test_vlan_validate;
+	tpriv->pt.dev = priv->dev;
+	tpriv->pt.af_packet_priv = tpriv;
+	tpriv->packet = &attr;
+
+	/*
+	 * As we use HASH filtering, false positives may appear. This is a
+	 * specially chosen ID so that adjacent IDs (+4) have different
+	 * HASH values.
+	 */
+	tpriv->vlan_id = 0x123;
+	dev_add_pack(&tpriv->pt);
+
+	ret = vlan_vid_add(priv->dev, htons(ETH_P_8021Q), tpriv->vlan_id);
+	if (ret)
+		goto cleanup;
+
+	for (i = 0; i < 4; i++) {
+		attr.vlan = 1;
+		attr.vlan_id_out = tpriv->vlan_id + i;
+		attr.dst = priv->dev->dev_addr;
+		attr.sport = 9;
+		attr.dport = 9;
+
+		skb = stmmac_test_get_udp_skb(priv, &attr);
+		if (!skb) {
+			ret = -ENOMEM;
+			goto vlan_del;
+		}
+
+		skb_set_queue_mapping(skb, 0);
+		ret = dev_queue_xmit(skb);
+		if (ret)
+			goto vlan_del;
+
+		wait_for_completion_timeout(&tpriv->comp, STMMAC_LB_TIMEOUT);
+		ret = !tpriv->ok;
+		if (ret && !i) {
+			goto vlan_del;
+		} else if (!ret && i) {
+			ret = -1;
+			goto vlan_del;
+		} else {
+			ret = 0;
+		}
+
+		tpriv->ok = false;
+	}
+
+vlan_del:
+	vlan_vid_del(priv->dev, htons(ETH_P_8021Q), tpriv->vlan_id);
+cleanup:
+	dev_remove_pack(&tpriv->pt);
+	kfree(tpriv);
+	return ret;
+}
+
+static int stmmac_test_dvlanfilt(struct stmmac_priv *priv)
+{
+	struct stmmac_packet_attrs attr = { };
+	struct stmmac_test_priv *tpriv;
+	struct sk_buff *skb = NULL;
+	int ret = 0, i;
+
+	if (!priv->dma_cap.vlhash)
+		return -EOPNOTSUPP;
+
+	tpriv = kzalloc(sizeof(*tpriv), GFP_KERNEL);
+	if (!tpriv)
+		return -ENOMEM;
+
+	tpriv->ok = false;
+	tpriv->double_vlan = true;
+	init_completion(&tpriv->comp);
+
+	tpriv->pt.type = htons(ETH_P_8021Q);
+	tpriv->pt.func = stmmac_test_vlan_validate;
+	tpriv->pt.dev = priv->dev;
+	tpriv->pt.af_packet_priv = tpriv;
+	tpriv->packet = &attr;
+
+	/*
+	 * As we use HASH filtering, false positives may appear. This is a
+	 * specially chosen ID so that adjacent IDs (+4) have different
+	 * HASH values.
+	 */
+	tpriv->vlan_id = 0x123;
+	dev_add_pack(&tpriv->pt);
+
+	ret = vlan_vid_add(priv->dev, htons(ETH_P_8021AD), tpriv->vlan_id);
+	if (ret)
+		goto cleanup;
+
+	for (i = 0; i < 4; i++) {
+		attr.vlan = 2;
+		attr.vlan_id_out = tpriv->vlan_id + i;
+		attr.dst = priv->dev->dev_addr;
+		attr.sport = 9;
+		attr.dport = 9;
+
+		skb = stmmac_test_get_udp_skb(priv, &attr);
+		if (!skb) {
+			ret = -ENOMEM;
+			goto vlan_del;
+		}
+
+		skb_set_queue_mapping(skb, 0);
+		ret = dev_queue_xmit(skb);
+		if (ret)
+			goto vlan_del;
+
+		wait_for_completion_timeout(&tpriv->comp, STMMAC_LB_TIMEOUT);
+		ret = !tpriv->ok;
+		if (ret && !i) {
+			goto vlan_del;
+		} else if (!ret && i) {
+			ret = -1;
+			goto vlan_del;
+		} else {
+			ret = 0;
+		}
+
+		tpriv->ok = false;
+	}
+
+vlan_del:
+	vlan_vid_del(priv->dev, htons(ETH_P_8021AD), tpriv->vlan_id);
+cleanup:
+	dev_remove_pack(&tpriv->pt);
+	kfree(tpriv);
+	return ret;
+}
+
 #define STMMAC_LOOPBACK_NONE	0
 #define STMMAC_LOOPBACK_MAC	1
 #define STMMAC_LOOPBACK_PHY	2
@@ -764,6 +961,14 @@ static const struct stmmac_test {
 		.name = "RSS                  ",
 		.lb = STMMAC_LOOPBACK_PHY,
 		.fn = stmmac_test_rss,
+	}, {
+		.name = "VLAN Filtering       ",
+		.lb = STMMAC_LOOPBACK_PHY,
+		.fn = stmmac_test_vlanfilt,
+	}, {
+		.name = "Double VLAN Filtering",
+		.lb = STMMAC_LOOPBACK_PHY,
+		.fn = stmmac_test_dvlanfilt,
 	},
 };
 
Signature · 7 lines
2.7.4


_______________________________________________
linux-arm-kernel mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
author
#8 lore raw

PATCH v3 8/10 net: stmmac: Implement Safety Features in XGMAC core

In reply to Jose Abreu

XGMAC also supports Safety Features. This patch implements the configuration and handling of this feature in XGMAC core.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     |  26 ++
 .../net/ethernet/stmicro/stmmac/dwxgmac2_core.c    | 281 +++++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |   4 +
 3 files changed, 311 insertions(+)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +26 -0
index bae0b01000cc..34a53f2141dc 100644
@@ -110,6 +110,12 @@
 #define XGMAC_HWFEAT_RXCHCNT		GENMASK(15, 12)
 #define XGMAC_HWFEAT_TXQCNT		GENMASK(9, 6)
 #define XGMAC_HWFEAT_RXQCNT		GENMASK(3, 0)
+#define XGMAC_HW_FEATURE3		0x00000128
+#define XGMAC_HWFEAT_ASP		GENMASK(15, 14)
+#define XGMAC_MAC_DPP_FSM_INT_STATUS	0x00000150
+#define XGMAC_MAC_FSM_CONTROL		0x00000158
+#define XGMAC_PRTYEN			BIT(1)
+#define XGMAC_TMOUTEN			BIT(0)
 #define XGMAC_MDIO_ADDR			0x00000200
 #define XGMAC_MDIO_DATA			0x00000204
 #define XGMAC_MDIO_C22P			0x00000220
@@ -154,6 +160,16 @@
 #define XGMAC_TC_PRTY_MAP1		0x00001044
 #define XGMAC_PSTC(x)			GENMASK((x) * 8 + 7, (x) * 8)
 #define XGMAC_PSTC_SHIFT(x)		((x) * 8)
+#define XGMAC_MTL_ECC_CONTROL		0x000010c0
+#define XGMAC_MTL_SAFETY_INT_STATUS	0x000010c4
+#define XGMAC_MEUIS			BIT(1)
+#define XGMAC_MECIS			BIT(0)
+#define XGMAC_MTL_ECC_INT_ENABLE	0x000010c8
+#define XGMAC_RPCEIE			BIT(12)
+#define XGMAC_ECEIE			BIT(8)
+#define XGMAC_RXCEIE			BIT(4)
+#define XGMAC_TXCEIE			BIT(0)
+#define XGMAC_MTL_ECC_INT_STATUS	0x000010cc
 #define XGMAC_MTL_TXQ_OPMODE(x)		(0x00001100 + (0x80 * (x)))
 #define XGMAC_TQS			GENMASK(25, 16)
 #define XGMAC_TQS_SHIFT			16
@@ -218,6 +234,16 @@
 #define XGMAC_TDPS			GENMASK(29, 0)
 #define XGMAC_RX_EDMA_CTRL		0x00003044
 #define XGMAC_RDPS			GENMASK(29, 0)
+#define XGMAC_DMA_SAFETY_INT_STATUS	0x00003064
+#define XGMAC_MCSIS			BIT(31)
+#define XGMAC_MSUIS			BIT(29)
+#define XGMAC_MSCIS			BIT(28)
+#define XGMAC_DEUIS			BIT(1)
+#define XGMAC_DECIS			BIT(0)
+#define XGMAC_DMA_ECC_INT_ENABLE	0x00003068
+#define XGMAC_DCEIE			BIT(1)
+#define XGMAC_TCEIE			BIT(0)
+#define XGMAC_DMA_ECC_INT_STATUS	0x0000306c
 #define XGMAC_DMA_CH_CONTROL(x)		(0x00003100 + (0x80 * (x)))
 #define XGMAC_PBLx8			BIT(16)
 #define XGMAC_DMA_CH_TX_CONTROL(x)	(0x00003104 + (0x80 * (x)))
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +281 -0

293 lines not on this page · raw message

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +4 -0
index b50e275e76c2..e4a1c877f2e1 100644
@@ -399,6 +399,10 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
 		((hw_cap & XGMAC_HWFEAT_TXQCNT) >> 6) + 1;
 	dma_cap->number_rx_queues =
 		((hw_cap & XGMAC_HWFEAT_RXQCNT) >> 0) + 1;
+
+	/* MAC HW feature 3 */
+	hw_cap = readl(ioaddr + XGMAC_HW_FEATURE3);
+	dma_cap->asp = (hw_cap & XGMAC_HWFEAT_ASP) >> 14;
 }
 
 static void dwxgmac2_rx_watchdog(void __iomem *ioaddr, u32 riwt, u32 nchan)
Signature · 7 lines
2.7.4


_______________________________________________
linux-arm-kernel mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
author
#9 lore raw

PATCH v3 9/10 net: stmmac: Add Flexible RX Parser support in XGMAC

In reply to Jose Abreu

XGMAC cores also support the Flexible RX Parser feature. Add the support for it in the XGMAC core.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     |  13 ++
 .../net/ethernet/stmicro/stmmac/dwxgmac2_core.c    | 190 +++++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |   3 +
 3 files changed, 206 insertions(+)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +13 -0
index 34a53f2141dc..429c94e40c73 100644
@@ -112,6 +112,9 @@
 #define XGMAC_HWFEAT_RXQCNT		GENMASK(3, 0)
 #define XGMAC_HW_FEATURE3		0x00000128
 #define XGMAC_HWFEAT_ASP		GENMASK(15, 14)
+#define XGMAC_HWFEAT_FRPES		GENMASK(12, 11)
+#define XGMAC_HWFEAT_FRPPB		GENMASK(10, 9)
+#define XGMAC_HWFEAT_FRPSEL		BIT(3)
 #define XGMAC_MAC_DPP_FSM_INT_STATUS	0x00000150
 #define XGMAC_MAC_FSM_CONTROL		0x00000158
 #define XGMAC_PRTYEN			BIT(1)
@@ -145,6 +148,7 @@
 
 /* MTL Registers */
 #define XGMAC_MTL_OPMODE		0x00001000
+#define XGMAC_FRPE			BIT(15)
 #define XGMAC_ETSALG			GENMASK(6, 5)
 #define XGMAC_WRR			(0x0 << 5)
 #define XGMAC_WFQ			(0x1 << 5)
@@ -160,6 +164,15 @@
 #define XGMAC_TC_PRTY_MAP1		0x00001044
 #define XGMAC_PSTC(x)			GENMASK((x) * 8 + 7, (x) * 8)
 #define XGMAC_PSTC_SHIFT(x)		((x) * 8)
+#define XGMAC_MTL_RXP_CONTROL_STATUS	0x000010a0
+#define XGMAC_RXPI			BIT(31)
+#define XGMAC_NPE			GENMASK(23, 16)
+#define XGMAC_NVE			GENMASK(7, 0)
+#define XGMAC_MTL_RXP_IACC_CTRL_ST	0x000010b0
+#define XGMAC_STARTBUSY			BIT(31)
+#define XGMAC_WRRDN			BIT(16)
+#define XGMAC_ADDR			GENMASK(9, 0)
+#define XGMAC_MTL_RXP_IACC_DATA		0x000010b4
 #define XGMAC_MTL_ECC_CONTROL		0x000010c0
 #define XGMAC_MTL_SAFETY_INT_STATUS	0x000010c4
 #define XGMAC_MEUIS			BIT(1)
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +190 -0

202 lines not on this page · raw message

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +3 -0
index e4a1c877f2e1..18cbf4ab4ad2 100644
@@ -403,6 +403,9 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
 	/* MAC HW feature 3 */
 	hw_cap = readl(ioaddr + XGMAC_HW_FEATURE3);
 	dma_cap->asp = (hw_cap & XGMAC_HWFEAT_ASP) >> 14;
+	dma_cap->frpes = (hw_cap & XGMAC_HWFEAT_FRPES) >> 11;
+	dma_cap->frpbs = (hw_cap & XGMAC_HWFEAT_FRPPB) >> 9;
+	dma_cap->frpsel = (hw_cap & XGMAC_HWFEAT_FRPSEL) >> 3;
 }
 
 static void dwxgmac2_rx_watchdog(void __iomem *ioaddr, u32 riwt, u32 nchan)
Signature · 1 line
2.7.4
author
#10 lore raw

PATCH v3 10/10 net: stmmac: selftests: Add a selftest for Flexible RX Parser

In reply to Jose Abreu

Add a selftest for the Flexible RX Parser feature.

---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

---
 .../net/ethernet/stmicro/stmmac/stmmac_selftests.c | 98 +++++++++++++++++++++-
 1 file changed, 97 insertions(+), 1 deletion(-)
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +97 -1
index 6b08bb15af15..abab84f2ef8b 100644
@@ -11,8 +11,10 @@
 #include <linux/ip.h>
 #include <linux/phy.h>
 #include <linux/udp.h>
+#include <net/pkt_cls.h>
 #include <net/tcp.h>
 #include <net/udp.h>
+#include <net/tc_act/tc_gact.h>
 #include "stmmac.h"
 
 struct stmmachdr {
@@ -229,7 +231,7 @@ static int stmmac_test_loopback_validate(struct sk_buff *skb,
 			goto out;
 	}
 	if (tpriv->packet->src) {
-		if (!ether_addr_equal(ehdr->h_source, orig_ndev->dev_addr))
+		if (!ether_addr_equal(ehdr->h_source, tpriv->packet->src))
 			goto out;
 	}
 
@@ -912,6 +914,96 @@ static int stmmac_test_dvlanfilt(struct stmmac_priv *priv)
 	return ret;
 }
 
+#ifdef CONFIG_NET_CLS_ACT
+static int stmmac_test_rxp(struct stmmac_priv *priv)
+{
+	unsigned char addr[ETH_ALEN] = {0xde, 0xad, 0xbe, 0xef, 0x00, 0x00};
+	struct tc_cls_u32_offload cls_u32 = { };
+	struct stmmac_packet_attrs attr = { };
+	struct tc_action **actions, *act;
+	struct tc_u32_sel *sel;
+	struct tcf_exts *exts;
+	int ret, i, nk = 1;
+
+	if (!tc_can_offload(priv->dev))
+		return -EOPNOTSUPP;
+	if (!priv->dma_cap.frpsel)
+		return -EOPNOTSUPP;
+
+	sel = kzalloc(sizeof(*sel) + nk * sizeof(struct tc_u32_key), GFP_KERNEL);
+	if (!sel)
+		return -ENOMEM;
+
+	exts = kzalloc(sizeof(*exts), GFP_KERNEL);
+	if (!exts) {
+		ret = -ENOMEM;
+		goto cleanup_sel;
+	}
+
+	actions = kzalloc(nk * sizeof(*actions), GFP_KERNEL);
+	if (!actions) {
+		ret = -ENOMEM;
+		goto cleanup_exts;
+	}
+
+	act = kzalloc(nk * sizeof(*act), GFP_KERNEL);
+	if (!act) {
+		ret = -ENOMEM;
+		goto cleanup_actions;
+	}
+
+	cls_u32.command = TC_CLSU32_NEW_KNODE;
+	cls_u32.common.chain_index = 0;
+	cls_u32.common.protocol = htons(ETH_P_ALL);
+	cls_u32.knode.exts = exts;
+	cls_u32.knode.sel = sel;
+	cls_u32.knode.handle = 0x123;
+
+	exts->nr_actions = nk;
+	exts->actions = actions;
+	for (i = 0; i < nk; i++) {
+		struct tcf_gact *gact = to_gact(&act[i]);
+
+		actions[i] = &act[i];
+		gact->tcf_action = TC_ACT_SHOT;
+	}
+
+	sel->nkeys = nk;
+	sel->offshift = 0;
+	sel->keys[0].off = 6;
+	sel->keys[0].val = htonl(0xdeadbeef);
+	sel->keys[0].mask = ~0x0;
+
+	ret = stmmac_tc_setup_cls_u32(priv, priv, &cls_u32);
+	if (ret)
+		goto cleanup_act;
+
+	attr.dst = priv->dev->dev_addr;
+	attr.src = addr;
+
+	ret = __stmmac_test_loopback(priv, &attr);
+	ret = !ret; /* Shall NOT receive packet */
+
+	cls_u32.command = TC_CLSU32_DELETE_KNODE;
+	stmmac_tc_setup_cls_u32(priv, priv, &cls_u32);
+
+cleanup_act:
+	kfree(act);
+cleanup_actions:
+	kfree(actions);
+cleanup_exts:
+	kfree(exts);
+cleanup_sel:
+	kfree(sel);
+	return ret;
+}
+#else
+static int stmmac_test_rxp(struct stmmac_priv *priv)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
 #define STMMAC_LOOPBACK_NONE	0
 #define STMMAC_LOOPBACK_MAC	1
 #define STMMAC_LOOPBACK_PHY	2
@@ -969,6 +1061,10 @@ static const struct stmmac_test {
 		.name = "Double VLAN Filtering",
 		.lb = STMMAC_LOOPBACK_PHY,
 		.fn = stmmac_test_dvlanfilt,
+	}, {
+		.name = "Flexible RX Parser   ",
+		.lb = STMMAC_LOOPBACK_PHY,
+		.fn = stmmac_test_rxp,
 	},
 };
 
Signature · 1 line
2.7.4
maintainer
#11 lore raw
In reply to Jose Abreu

From: Jose Abreu <[email protected]>
Date: Wed, 7 Aug 2019 10:03:08 +0200

Quoted 4 lines

[ This is just a rebase of v2 into latest -next in order to avoid a merge conflict ]

Couple of improvements for -next tree. More info in commit logs.

Series applied, thank you.