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58 lines
2.0 KiB
Diff
58 lines
2.0 KiB
Diff
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From 8eb13420eb9ab4a4e2ebd612bf5dc9dba0039236 Mon Sep 17 00:00:00 2001
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From: Linus Walleij <linus.walleij@linaro.org>
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Date: Tue, 5 Oct 2021 21:47:03 +0200
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Subject: [PATCH 09/11] net: dsa: rtl8366rb: Support fast aging
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This implements fast aging per-port using the special "security"
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register, which will flush any learned L2 LUT entries on a port.
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The vendor API just enabled setting and clearing this bit, so
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we set it to age out any entries on the port and then we clear
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it again.
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Suggested-by: Vladimir Oltean <olteanv@gmail.com>
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Cc: Mauri Sandberg <sandberg@mailfence.com>
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Cc: DENG Qingfang <dqfext@gmail.com>
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Cc: Florian Fainelli <f.fainelli@gmail.com>
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Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/dsa/rtl8366rb.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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--- a/drivers/net/dsa/rtl8366rb.c
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+++ b/drivers/net/dsa/rtl8366rb.c
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@@ -1308,6 +1308,19 @@ rtl8366rb_port_bridge_flags(struct dsa_s
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return 0;
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}
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+static void
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+rtl8366rb_port_fast_age(struct dsa_switch *ds, int port)
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+{
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+ struct realtek_smi *smi = ds->priv;
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+
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+ /* This will age out any learned L2 entries */
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+ regmap_update_bits(smi->map, RTL8366RB_SECURITY_CTRL,
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+ BIT(port), BIT(port));
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+ /* Restore the normal state of things */
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+ regmap_update_bits(smi->map, RTL8366RB_SECURITY_CTRL,
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+ BIT(port), 0);
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+}
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+
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static int rtl8366rb_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
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{
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struct realtek_smi *smi = ds->priv;
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@@ -1720,6 +1733,7 @@ static const struct dsa_switch_ops rtl83
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.port_disable = rtl8366rb_port_disable,
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.port_pre_bridge_flags = rtl8366rb_port_pre_bridge_flags,
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.port_bridge_flags = rtl8366rb_port_bridge_flags,
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+ .port_fast_age = rtl8366rb_port_fast_age,
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.port_change_mtu = rtl8366rb_change_mtu,
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.port_max_mtu = rtl8366rb_max_mtu,
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};
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