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realtek: Trap LLDP packets to the CPU

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We should setup the registers for trapping LLDP packets to the CPU.
Currently, these packets are forwarded to all ports which is not desired
behaviour.

Signed-off-by: Kevin Jilissen <info@kevinjilissen.nl>
(cherry picked from commit 5a5c52085a5bd0b1b8bc629f3586c7a93dcb4460)
This commit is contained in:
Kevin Jilissen 2024-05-04 16:12:20 +02:00 committed by Sander Vanheule
parent c5ed115104
commit 5b7240c070
1 changed files with 7 additions and 0 deletions
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7
target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c
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@ -155,6 +155,12 @@ static void rtl83xx_setup_bpdu_traps(struct rtl838x_switch_priv *priv)
priv->r->set_receive_management_action(i, BPDU, TRAP2CPU);
}
static void rtl83xx_setup_lldp_traps(struct rtl838x_switch_priv *priv)
{
for (int i = 0; i < priv->cpu_port; i++)
priv->r->set_receive_management_action(i, LLDP, TRAP2CPU);
}
static void rtl83xx_port_set_salrn(struct rtl838x_switch_priv *priv,
int port, bool enable)
{
@ -207,6 +213,7 @@ static int rtl83xx_setup(struct dsa_switch *ds)
rtl83xx_vlan_setup(priv);
rtl83xx_setup_bpdu_traps(priv);
rtl83xx_setup_lldp_traps(priv);
ds->configure_vlan_while_not_filtering = true;