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realtek: rtl93xx: Trap BPDU management frames

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BPDU frames like STP must be processed by each switch (bridge) which
supports STP. It must not be forwarded to avoid confusing the STP state of
other STP participants. It is essential to be an active participant of STP.
The software bridge automatically takes care of forwarding the BPDUs to
other ports when STP is disabled and the hardware switch should not
interfere.

Signed-off-by: Harshal Gohel <hg@simonwunderlich.de>
Signed-off-by: Sven Eckelmann <se@simonwunderlich.de>
Link: https://github.com/openwrt/openwrt/pull/20414
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Harshal Gohel 2025-08-08 17:31:03 +02:00 committed by Robert Marko
parent e78f000869
commit 2930c9dd2a
1 changed files with 1 additions and 0 deletions
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target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/dsa.c
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@ -529,6 +529,7 @@ static int rtl93xx_setup(struct dsa_switch *ds)
rtl83xx_vlan_setup(priv);
rtldsa_setup_bpdu_traps(priv);
rtldsa_setup_lldp_traps(priv);
ds->configure_vlan_while_not_filtering = true;