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- From b954d61d9ecfa64450fc178586719dc2a95b92a7 Mon Sep 17 00:00:00 2001
- From: Christian Marangi <[email protected]>
- Date: Tue, 20 Jun 2023 21:48:24 +0200
- Subject: [PATCH 3/4] net: dsa: qca8k: enable flooding to both CPU port
- To permit a multi-CPU setup, flood all unknown frames to all CPU ports.
- Each CPU port should have correct LOOKUP MEMBER configuration to
- prevent receiving duplicate packets from user ports.
- Signed-off-by: Christian Marangi <[email protected]>
- ---
- drivers/net/dsa/qca/qca8k-8xxx.c | 13 +++++--------
- 1 file changed, 5 insertions(+), 8 deletions(-)
- --- a/drivers/net/dsa/qca/qca8k-8xxx.c
- +++ b/drivers/net/dsa/qca/qca8k-8xxx.c
- @@ -1901,15 +1901,12 @@ qca8k_setup(struct dsa_switch *ds)
- }
- }
-
- - /* Forward all unknown frames to CPU port for Linux processing
- - * Notice that in multi-cpu config only one port should be set
- - * for igmp, unknown, multicast and broadcast packet
- - */
- + /* Forward all unknown frames to CPU port for Linux processing */
- ret = qca8k_write(priv, QCA8K_REG_GLOBAL_FW_CTRL1,
- - FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK, BIT(cpu_port)) |
- - FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK, BIT(cpu_port)) |
- - FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK, BIT(cpu_port)) |
- - FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK, BIT(cpu_port)));
- + FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK, dsa_cpu_ports(ds)) |
- + FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK, dsa_cpu_ports(ds)) |
- + FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK, dsa_cpu_ports(ds)) |
- + FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK, dsa_cpu_ports(ds)));
- if (ret)
- return ret;
-
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