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| author | Florian Fainelli <f.fainelli@gmail.com> | 2019-09-12 20:28:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-16 09:06:12 +0200 |
| commit | 53568438e381d680bc84f1fe1d3ed2ac8d7ae85c (patch) | |
| tree | 17b2a65e21b80664799a2e34af26a3cd3969b2e7 /drivers/net/dsa/b53 | |
| parent | aa2eaa8c272a3211dec07ce9c6c863a7e355c10e (diff) | |
| download | blackbird-op-linux-53568438e381d680bc84f1fe1d3ed2ac8d7ae85c.tar.gz blackbird-op-linux-53568438e381d680bc84f1fe1d3ed2ac8d7ae85c.zip | |
net: dsa: b53: Add support for port_egress_floods callback
Add support for configuring the per-port egress flooding control for
both Unicast and Multicast traffic.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/b53')
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 33 | ||||
| -rw-r--r-- | drivers/net/dsa/b53/b53_priv.h | 2 |
2 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 7d328a5f0161..526ba2ab66f1 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -342,6 +342,13 @@ static void b53_set_forwarding(struct b53_device *dev, int enable) b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, &mgmt); mgmt |= B53_MII_DUMB_FWDG_EN; b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt); + + /* Look at B53_UC_FWD_EN and B53_MC_FWD_EN to decide whether + * frames should be flooded or not. + */ + b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt); + mgmt |= B53_UC_FWD_EN | B53_MC_FWD_EN; + b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); } static void b53_enable_vlan(struct b53_device *dev, bool enable, @@ -1753,6 +1760,31 @@ void b53_br_fast_age(struct dsa_switch *ds, int port) } EXPORT_SYMBOL(b53_br_fast_age); +int b53_br_egress_floods(struct dsa_switch *ds, int port, + bool unicast, bool multicast) +{ + struct b53_device *dev = ds->priv; + u16 uc, mc; + + b53_read16(dev, B53_CTRL_PAGE, B53_UC_FWD_EN, &uc); + if (unicast) + uc |= BIT(port); + else + uc &= ~BIT(port); + b53_write16(dev, B53_CTRL_PAGE, B53_UC_FWD_EN, uc); + + b53_read16(dev, B53_CTRL_PAGE, B53_MC_FWD_EN, &mc); + if (multicast) + mc |= BIT(port); + else + mc &= ~BIT(port); + b53_write16(dev, B53_CTRL_PAGE, B53_MC_FWD_EN, mc); + + return 0; + +} +EXPORT_SYMBOL(b53_br_egress_floods); + static bool b53_possible_cpu_port(struct dsa_switch *ds, int port) { /* Broadcom switches will accept enabling Broadcom tags on the @@ -1953,6 +1985,7 @@ static const struct dsa_switch_ops b53_switch_ops = { .port_bridge_leave = b53_br_leave, .port_stp_state_set = b53_br_set_stp_state, .port_fast_age = b53_br_fast_age, + .port_egress_floods = b53_br_egress_floods, .port_vlan_filtering = b53_vlan_filtering, .port_vlan_prepare = b53_vlan_prepare, .port_vlan_add = b53_vlan_add, diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index f25bc80c4ffc..a7dd8acc281b 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -319,6 +319,8 @@ int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge); void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge); void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); void b53_br_fast_age(struct dsa_switch *ds, int port); +int b53_br_egress_floods(struct dsa_switch *ds, int port, + bool unicast, bool multicast); void b53_port_event(struct dsa_switch *ds, int port); void b53_phylink_validate(struct dsa_switch *ds, int port, unsigned long *supported, |
