Received-SPF: pass (google.com: domain of linux-kernel+bounces-134698-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
From: Minda Chen <minda.chen@starfivetech.com>
To: Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	netdev@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 1/2] net: stmmac: mmc_core: Add GMAC LPI statistics
Date: Mon,  8 Apr 2024 09:29:42 +0800
Message-Id: <20240408012943.66508-2-minda.chen@starfivetech.com>
In-Reply-To: <20240408012943.66508-1-minda.chen@starfivetech.com>
References: <20240408012943.66508-1-minda.chen@starfivetech.com>
Content-Type: text/plain
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
	=?us-ascii?Q?MJUaj0hQtLPYrfFxoWasN40NbM5vVLA0JrGsMsBco2lqR5X9IDXFLeH3Cvah?=
 =?us-ascii?Q?jJp13k4S0dRnlMRlahY8WEu2hqfVfE6y0G1UHGI2zE2MbiPXMC//grfujwML?=
 =?us-ascii?Q?Z/rBD1hDoumJbcN/8VY3f7AhN7UxQzNmvDgdAMSsQoJ+vwKPyBjjEFyUq+C2?=
 =?us-ascii?Q?kKeDlsEUMmT6rbNPkSGUak7Y/mrvsrmJFauL2UbSTnG1M80796Aa0t2ONRtF?=
 =?us-ascii?Q?iAtAIlkY5qQ4/RReGjxm91w1y5EFkLPMuU/CvKPmGNAw2FpteNXRrdo3K3xH?=
 =?us-ascii?Q?AuKSGdg4RaUd8uSO090PFrkHP5BSE856bfp6xUcGouyq34WgJlPLLbo5Szd7?=
 =?us-ascii?Q?OSvOves029QqwPRQ4FymNgqO//HwZwGyQxFr0C/cy8LI46JYkwNv7im3iuHq?=
 =?us-ascii?Q?OaBoH4QvVeWNTwJImhlUL5dMhBQwK/A9X6LDilVVbaUnXQTm0nHKZJxFGNT7?=
 =?us-ascii?Q?lF1mrYlA+xGSqNejD7dVuHYz+pTD/O1bO9X6mZSENbr0roByBPW84s8BxK77?=
 =?us-ascii?Q?/vuRG/PnMPDjNKf3Ysl+mPHH/LiV3edrgMda1uXiZiA01uxRwO6QDdvXMVWE?=
 =?us-ascii?Q?3gv84FjRf1e5hl6hifnXnlgUXjLP8hieaX1PKyD3TwDyePbbcVySbIeNq0xr?=
 =?us-ascii?Q?ZNPM67bgPwFCPxvLupHV8bY+FpRvuXRMYQjamZHcyqOKzHDlzrT6VmiEKI/A?=
 =?us-ascii?Q?Rbi1o7e/GstoOAKUYcd8jxyq7L8D7p+30ard9QFdDWDsVuYd8wx0GGuWuETZ?=
 =?us-ascii?Q?A0OcOMe5C0aCzlOBCZa7cyE6opTHTyyg9BJQt0X6HOEjv6yuM1rtPxCto/0d?=
 =?us-ascii?Q?Z2O0TNu6iPiQaXuUmhPV561PKX0yu7+k1/uB9KIOL6sybOvN1OV6aPm0Iygh?=
 =?us-ascii?Q?dkXwkNsPZGYtpd+WN6JfEadht2VdZ9gmjBQTS98JRBbuVYU1pUYS+zVoe4V7?=
 =?us-ascii?Q?bsd3GtT6m7MZtCeTR9rAvIGnfi7Ez+TFS/w/kdvpt0YOaYax9zKitr9ml51h?=
 =?us-ascii?Q?rnMdAY2mzpO6XqrtRmYEWXeQikjPALJi3GmdLFa5G9anFcoSXD0qRm0+i795?=
 =?us-ascii?Q?/hUwOKndaUFCmV+wNza6NsHotHMnlN3AnnOM8r5CmcKs+QTMHYafXVxjhy8e?=
 =?us-ascii?Q?Oz/gK4GPBirPTuf2pgbMn2i8e5DZcs3YKA+iQdCLNUtvis8ruhDo9/hFlioE?=
 =?us-ascii?Q?2AZJIPLuVibOPsShuKt861v69elPeenxm7sbYBSCN0siD3xUKZDe4E7+HVM2?=
 =?us-ascii?Q?aW4jmoAPS/rFlDEJsM+RWet5AAl+cgfCow6JQKPl3mH2mwLTC3K9a+b9jVhH?=
 =?us-ascii?Q?djDiLUljRmfeyF2SpKXzryDrB0M+Yw/rssf77FravNk845BIgoeUkMaS5en6?=
 =?us-ascii?Q?74HLzPmBG/CYLz8xWf3UpywzQUcvj/+Cr7Pqm9g3Yrr6QmeowelsIw9L4UrS?=
 =?us-ascii?Q?HExKcV1SiinFPtOaPdOHx4p2TZJns8s3B8uR+IWriB/QS2qzp1vkVb1+4gp8?=
 =?us-ascii?Q?BiMR8KDG4jWR/QsflNMGM473YukGmT8XMMGHCNieJmBzfH0Q3+ZNJ7Du3fsy?=
 =?us-ascii?Q?oITknShF/FJCqE6rX0M8Do1OdPbW68OyvnOLeRHIvfYQktKfGNvlgzEmIHXs?=
 =?us-ascii?Q?qQ=3D=3D?=
X-OriginatorOrg: starfivetech.com
X-MS-Exchange-CrossTenant-Network-Message-Id: d924d458-a657-4fb8-ff29-08dc576b71c3
X-MS-Exchange-CrossTenant-AuthSource: SHXPR01MB0863.CHNPR01.prod.partner.outlook.cn
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2024 01:30:16.6256
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: bIVk/FFw3CZQJfSM0XvOTT9LPGFcXL0P6nUdul99jA7SYO3Cg0WUof/C5UTNj9OFxF7uDMDa7nMGNAnwWsBo9Z8A0bz1p8YQsJGcIiB5v3w=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SHXPR01MB0605

XGMAC MMC has already added LPI statistics. GMAC MMC lack of these
statistics. Add register definition and reading the LPI statistics
from registers.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Simon Horman <horms@kernel.org>
---
 drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
index 7eb477faa75a..b0db5f4e8fe8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
@@ -79,6 +79,12 @@
 #define MMC_RX_FIFO_OVERFLOW		0xd4
 #define MMC_RX_VLAN_FRAMES_GB		0xd8
 #define MMC_RX_WATCHDOG_ERROR		0xdc
+
+#define MMC_TX_LPI_USEC			0xec
+#define MMC_TX_LPI_TRAN			0xf0
+#define MMC_RX_LPI_USEC			0xf4
+#define MMC_RX_LPI_TRAN			0xf8
+
 /* IPC*/
 #define MMC_RX_IPC_INTR_MASK		0x100
 #define MMC_RX_IPC_INTR			0x108
@@ -283,6 +289,8 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
 	mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);
 	mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);
 	mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);
+	mmc->mmc_tx_lpi_usec += readl(mmcaddr + MMC_TX_LPI_USEC);
+	mmc->mmc_tx_lpi_tran += readl(mmcaddr + MMC_TX_LPI_TRAN);
 
 	/* MMC RX counter registers */
 	mmc->mmc_rx_framecount_gb += readl(mmcaddr + MMC_RX_FRAMECOUNT_GB);
@@ -316,6 +324,9 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
 	mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);
 	mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);
 	mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);
+	mmc->mmc_rx_lpi_usec += readl(mmcaddr + MMC_RX_LPI_USEC);
+	mmc->mmc_rx_lpi_tran += readl(mmcaddr + MMC_RX_LPI_TRAN);
+
 	/* IPv4 */
 	mmc->mmc_rx_ipv4_gd += readl(mmcaddr + MMC_RX_IPV4_GD);
 	mmc->mmc_rx_ipv4_hderr += readl(mmcaddr + MMC_RX_IPV4_HDERR);
-- 
2.17.1