forked from Openwrt/openwrt
83648084cc
Reorganize backported 6.12 generic patches, grouping them by following a standard naming XXX-XX-v6.x-patch-file-name.patch. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
106 lines
3.6 KiB
Diff
106 lines
3.6 KiB
Diff
From e39d14a760c039af0653e3df967e7525413924a0 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jonas.gorski@gmail.com>
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Date: Sat, 10 May 2025 11:22:11 +0200
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Subject: [PATCH] net: dsa: b53: implement setting ageing time
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b53 supported switches support configuring ageing time between 1 and
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1,048,575 seconds, so add an appropriate setter.
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This allows b53 to pass the FDB learning test for both vlan aware and
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vlan unaware bridges.
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Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
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Link: https://patch.msgid.link/20250510092211.276541-1-jonas.gorski@gmail.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/dsa/b53/b53_common.c | 28 ++++++++++++++++++++++++++++
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drivers/net/dsa/b53/b53_priv.h | 1 +
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drivers/net/dsa/b53/b53_regs.h | 7 +++++++
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3 files changed, 36 insertions(+)
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--- a/drivers/net/dsa/b53/b53_common.c
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+++ b/drivers/net/dsa/b53/b53_common.c
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@@ -21,6 +21,7 @@
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#include <linux/export.h>
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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+#include <linux/math.h>
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#include <linux/module.h>
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#include <linux/platform_data/b53.h>
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#include <linux/phy.h>
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@@ -1202,6 +1203,10 @@ static int b53_setup(struct dsa_switch *
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*/
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ds->untag_vlan_aware_bridge_pvid = true;
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+ /* Ageing time is set in seconds */
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+ ds->ageing_time_min = 1 * 1000;
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+ ds->ageing_time_max = AGE_TIME_MAX * 1000;
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+
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ret = b53_reset_switch(dev);
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if (ret) {
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dev_err(ds->dev, "failed to reset switch\n");
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@@ -2412,6 +2417,28 @@ static int b53_get_max_mtu(struct dsa_sw
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return B53_MAX_MTU;
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}
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+int b53_set_ageing_time(struct dsa_switch *ds, unsigned int msecs)
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+{
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+ struct b53_device *dev = ds->priv;
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+ u32 atc;
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+ int reg;
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+
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+ if (is63xx(dev))
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+ reg = B53_AGING_TIME_CONTROL_63XX;
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+ else
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+ reg = B53_AGING_TIME_CONTROL;
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+
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+ atc = DIV_ROUND_CLOSEST(msecs, 1000);
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+
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+ if (!is5325(dev) && !is5365(dev))
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+ atc |= AGE_CHANGE;
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+
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+ b53_write32(dev, B53_MGMT_PAGE, reg, atc);
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+
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+ return 0;
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+}
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+EXPORT_SYMBOL_GPL(b53_set_ageing_time);
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+
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static const struct phylink_mac_ops b53_phylink_mac_ops = {
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.mac_select_pcs = b53_phylink_mac_select_pcs,
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.mac_config = b53_phylink_mac_config,
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@@ -2436,6 +2463,7 @@ static const struct dsa_switch_ops b53_s
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.support_eee = b53_support_eee,
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.get_mac_eee = b53_get_mac_eee,
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.set_mac_eee = b53_set_mac_eee,
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+ .set_ageing_time = b53_set_ageing_time,
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.port_bridge_join = b53_br_join,
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.port_bridge_leave = b53_br_leave,
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.port_pre_bridge_flags = b53_br_flags_pre,
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--- a/drivers/net/dsa/b53/b53_priv.h
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+++ b/drivers/net/dsa/b53/b53_priv.h
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@@ -343,6 +343,7 @@ void b53_get_strings(struct dsa_switch *
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void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
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int b53_get_sset_count(struct dsa_switch *ds, int port, int sset);
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void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data);
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+int b53_set_ageing_time(struct dsa_switch *ds, unsigned int msecs);
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int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge,
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bool *tx_fwd_offload, struct netlink_ext_ack *extack);
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void b53_br_leave(struct dsa_switch *ds, int port, struct dsa_bridge bridge);
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--- a/drivers/net/dsa/b53/b53_regs.h
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+++ b/drivers/net/dsa/b53/b53_regs.h
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@@ -220,6 +220,13 @@
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#define BRCM_HDR_P5_EN BIT(1) /* Enable tagging on port 5 */
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#define BRCM_HDR_P7_EN BIT(2) /* Enable tagging on port 7 */
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+/* Aging Time control register (32 bit) */
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+#define B53_AGING_TIME_CONTROL 0x06
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+#define B53_AGING_TIME_CONTROL_63XX 0x08
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+#define AGE_CHANGE BIT(20)
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+#define AGE_TIME_MASK 0x7ffff
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+#define AGE_TIME_MAX 1048575
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+
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/* Mirror capture control register (16 bit) */
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#define B53_MIR_CAP_CTL 0x10
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#define CAP_PORT_MASK 0xf
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