diff options
Diffstat (limited to 'target/linux/realtek/files-5.4/drivers')
| -rw-r--r-- | target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/storm.c | 64 |
1 files changed, 0 insertions, 64 deletions
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); -} - |