From: Birger Koblitz <git@birger-koblitz.de>
Date: Thu, 21 Jan 2021 13:35:26 +0000 (+0100)
Subject: realtek: enable default rate limiting and qos settings
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6aac20bc0187e0934a9c167f21960202be182546;p=openwrt%2Fstaging%2Fthess.git

realtek: enable default rate limiting and qos settings

Enable default rate limiting and QoS support. Remove
previous storm control code.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
---

diff --git a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/storm.c b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/storm.c
deleted file mode 100644
index de0af033f3..0000000000
--- a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/storm.c
+++ /dev/null
@@ -1,64 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-
-#include <asm/mach-rtl838x/mach-rtl83xx.h>
-#include "rtl83xx.h"
-
-
-static void rtl83xx_storm_enable(struct rtl838x_switch_priv *priv, int port, bool enable)
-{
-	// Enable Storm control for that port for UC, MC, and BC
-	if (enable)
-		sw_w32(0x7, RTL838X_STORM_CTRL_LB_CTRL(port));
-	else
-		sw_w32(0x0, RTL838X_STORM_CTRL_LB_CTRL(port));
-}
-
-void __init rtl83xx_storm_control_init(struct rtl838x_switch_priv *priv)
-{
-	int i;
-
-	pr_debug("Enabling Storm control\n");
-	// TICK_PERIOD_PPS
-	if (priv->id == 0x8380)
-		sw_w32_mask(0x3ff << 20, 434 << 20, RTL838X_SCHED_LB_TICK_TKN_CTRL_0);
-
-	// Set burst rate
-	sw_w32(0x00008000, RTL838X_STORM_CTRL_BURST_0); // UC
-	sw_w32(0x80008000, RTL838X_STORM_CTRL_BURST_1); // MC and BC
-
-	// Set burst Packets per Second to 32
-	sw_w32(0x00000020, RTL838X_STORM_CTRL_BURST_PPS_0); // UC
-	sw_w32(0x00200020, RTL838X_STORM_CTRL_BURST_PPS_1); // MC and BC
-
-	// Include IFG in storm control
-	sw_w32_mask(0, BIT(6), RTL838X_STORM_CTRL);
-	// Rate control is based on bytes/s (0 = packets)
-	sw_w32_mask(0, BIT(5), RTL838X_STORM_CTRL);
-	// Bandwidth control includes preamble and IFG (10 Bytes)
-	sw_w32_mask(0, 1, RTL838X_SCHED_CTRL);
-
-	// On SoCs except RTL8382M, set burst size of port egress
-	if (priv->id != 0x8382)
-		sw_w32_mask(0xffff, 0x800, RTL838X_SCHED_LB_THR);
-
-	/* Enable storm control on all ports with a PHY and limit rates,
-	 * for UC and MC for both known and unknown addresses */
-	for (i = 0; i < priv->cpu_port; i++) {
-		if (priv->ports[i].phy) {
-			sw_w32(BIT(18) | 0x8000, RTL838X_STORM_CTRL_PORT_UC(i));
-			sw_w32(BIT(18) | 0x8000, RTL838X_STORM_CTRL_PORT_MC(i));
-			sw_w32(0x000, RTL838X_STORM_CTRL_PORT_BC(i));
-			rtl83xx_storm_enable(priv, i, true);
-		}
-	}
-
-	// Attack prevention, enable all attack prevention measures
-	//sw_w32(0x1ffff, RTL838X_ATK_PRVNT_CTRL);
-	/* Attack prevention, drop (bit = 0) problematic packets on all ports.
-	 * Setting bit = 1 means: trap to CPU
-	 */
-	//sw_w32(0, RTL838X_ATK_PRVNT_ACT);
-	// Enable attack prevention on all ports
-	//sw_w32(0x0fffffff, RTL838X_ATK_PRVNT_PORT_EN);
-}
-