c06fb25d1f
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80 lines
2.5 KiB
Diff
80 lines
2.5 KiB
Diff
From 3d49ee2127c26fd2c77944fd2e3168c057f99439 Mon Sep 17 00:00:00 2001
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From: Matthias Schiffer <mschiffer@universe-factory.net>
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Date: Tue, 18 Jun 2024 09:17:13 +0200
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Subject: [PATCH 2/2] net: dsa: mt7530: add support for bridge port isolation
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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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Remove a pair of ports from the port matrix when both ports have the
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isolated flag set.
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Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
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Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
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Reviewed-by: Arınç ÜNAL <arinc.unal@arinc9.com>
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Tested-by: Arınç ÜNAL <arinc.unal@arinc9.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/mt7530.c | 18 ++++++++++++++++--
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drivers/net/dsa/mt7530.h | 1 +
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2 files changed, 17 insertions(+), 2 deletions(-)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -1311,6 +1311,7 @@ static void mt7530_update_port_member(st
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struct dsa_port *cpu_dp = dp->cpu_dp;
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u32 port_bitmap = BIT(cpu_dp->index);
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int other_port;
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+ bool isolated;
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dsa_switch_for_each_user_port(other_dp, priv->ds) {
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other_port = other_dp->index;
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@@ -1327,7 +1328,9 @@ static void mt7530_update_port_member(st
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if (!dsa_port_offloads_bridge_dev(other_dp, bridge_dev))
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continue;
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- if (join) {
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+ isolated = p->isolated && other_p->isolated;
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+
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+ if (join && !isolated) {
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other_p->pm |= PCR_MATRIX(BIT(port));
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port_bitmap |= BIT(other_port);
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} else {
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@@ -1354,7 +1357,7 @@ mt7530_port_pre_bridge_flags(struct dsa_
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struct netlink_ext_ack *extack)
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{
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if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
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- BR_BCAST_FLOOD))
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+ BR_BCAST_FLOOD | BR_ISOLATED))
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return -EINVAL;
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return 0;
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@@ -1383,6 +1386,17 @@ mt7530_port_bridge_flags(struct dsa_swit
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mt7530_rmw(priv, MT753X_MFC, BC_FFP(BIT(port)),
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flags.val & BR_BCAST_FLOOD ? BC_FFP(BIT(port)) : 0);
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+ if (flags.mask & BR_ISOLATED) {
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+ struct dsa_port *dp = dsa_to_port(ds, port);
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+ struct net_device *bridge_dev = dsa_port_bridge_dev_get(dp);
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+
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+ priv->ports[port].isolated = !!(flags.val & BR_ISOLATED);
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+
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+ mutex_lock(&priv->reg_mutex);
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+ mt7530_update_port_member(priv, port, bridge_dev, true);
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+ mutex_unlock(&priv->reg_mutex);
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+ }
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+
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return 0;
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}
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--- a/drivers/net/dsa/mt7530.h
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+++ b/drivers/net/dsa/mt7530.h
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@@ -721,6 +721,7 @@ struct mt7530_fdb {
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*/
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struct mt7530_port {
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bool enable;
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+ bool isolated;
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u32 pm;
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u16 pvid;
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struct phylink_pcs *sgmii_pcs;
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