[openwrt/openwrt] realtek: Remove storm control and attack warnings

[LEDE Commits]

blogic pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/ca04e2dfd02a711cb0b3ce401bd120bd3da3b973

commit ca04e2dfd02a711cb0b3ce401bd120bd3da3b973
Author: Birger Koblitz <git at birger-koblitz.de>
AuthorDate: Sun Sep 5 18:38:43 2021 +0200

    realtek: Remove storm control and attack warnings
    
    Remove the storm control and attack warnings from the IRQ handler
    of the Ethernet driver. There was no consequence to the detection
    and the kernel can also handle at least the attacks itself.
    
    Signed-off-by: Birger Koblitz <git at birger-koblitz.de>
---
 .../files-5.10/drivers/net/ethernet/rtl838x_eth.c  | 25 ----------------------
 1 file changed, 25 deletions(-)

diff --git a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
index 7c3d7c544b..f91126deb5 100644
--- a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
+++ b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
@@ -49,11 +49,6 @@ extern struct rtl83xx_soc_info soc_info;
 
 #define RING_BUFFER	1600
 
-#define RTL838X_STORM_CTRL_PORT_BC_EXCEED	(0x470C)
-#define RTL838X_STORM_CTRL_PORT_MC_EXCEED	(0x4710)
-#define RTL838X_STORM_CTRL_PORT_UC_EXCEED	(0x4714)
-#define RTL838X_ATK_PRVNT_STS			(0x5B1C)
-
 struct p_hdr {
 	uint8_t		*buf;
 	uint16_t	reserved;
@@ -407,29 +402,9 @@ static irqreturn_t rtl83xx_net_irq(int irq, void *dev_id)
 	struct net_device *dev = dev_id;
 	struct rtl838x_eth_priv *priv = netdev_priv(dev);
 	u32 status = sw_r32(priv->r->dma_if_intr_sts);
-	bool triggered = false;
-	u32 atk = sw_r32(RTL838X_ATK_PRVNT_STS);
 	int i;
-	u32 storm_uc = sw_r32(RTL838X_STORM_CTRL_PORT_UC_EXCEED);
-	u32 storm_mc = sw_r32(RTL838X_STORM_CTRL_PORT_MC_EXCEED);
-	u32 storm_bc = sw_r32(RTL838X_STORM_CTRL_PORT_BC_EXCEED);
 
 	pr_debug("IRQ: %08x\n", status);
-	if (storm_uc || storm_mc || storm_bc) {
-		pr_warn("Storm control UC: %08x, MC: %08x, BC: %08x\n",
-			storm_uc, storm_mc, storm_bc);
-
-		sw_w32(storm_uc, RTL838X_STORM_CTRL_PORT_UC_EXCEED);
-		sw_w32(storm_mc, RTL838X_STORM_CTRL_PORT_MC_EXCEED);
-		sw_w32(storm_bc, RTL838X_STORM_CTRL_PORT_BC_EXCEED);
-
-		triggered = true;
-	}
-
-	if (atk) {
-		pr_debug("Attack prevention triggered: %08x\n", atk);
-		sw_w32(atk, RTL838X_ATK_PRVNT_STS);
-	}
 
 	spin_lock(&priv->lock);
 	/*  Ignore TX interrupt */