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net: sparx5: Support offloading of bridge port flooding flags

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Though the SparX-5i can control IPv4/6 multicasts separately from non-IP
multicasts, these are all muxed onto the bridge's BR_MCAST_FLOOD flag.

Signed-off-by: Casper Andersson <casper.casan@gmail.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20220223082700.qrot7lepwqcdnyzw@wse-c0155
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Casper Andersson
2022-02-23 09:27:00 +01:00
committed by Jakub Kicinski
parent aaa25a2fa7
commit 06388a03d2
1 changed files with 20 additions and 1 deletions
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21
drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
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@@ -19,11 +19,27 @@ struct sparx5_switchdev_event_work {
unsigned long event;
};
static int sparx5_port_attr_pre_bridge_flags(struct sparx5_port *port,
struct switchdev_brport_flags flags)
{
if (flags.mask & ~(BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD))
return -EINVAL;
return 0;
}
static void sparx5_port_attr_bridge_flags(struct sparx5_port *port,
struct switchdev_brport_flags flags)
{
int pgid;
if (flags.mask & BR_MCAST_FLOOD)
sparx5_pgid_update_mask(port, PGID_MC_FLOOD, true);
for (pgid = PGID_MC_FLOOD; pgid <= PGID_IPV6_MC_CTRL; pgid++)
sparx5_pgid_update_mask(port, pgid, !!(flags.val & BR_MCAST_FLOOD));
if (flags.mask & BR_FLOOD)
sparx5_pgid_update_mask(port, PGID_UC_FLOOD, !!(flags.val & BR_FLOOD));
if (flags.mask & BR_BCAST_FLOOD)
sparx5_pgid_update_mask(port, PGID_BCAST, !!(flags.val & BR_BCAST_FLOOD));
}
static void sparx5_attr_stp_state_set(struct sparx5_port *port,
@@ -72,6 +88,9 @@ static int sparx5_port_attr_set(struct net_device *dev, const void *ctx,
struct sparx5_port *port = netdev_priv(dev);
switch (attr->id) {
case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:
return sparx5_port_attr_pre_bridge_flags(port,
attr->u.brport_flags);
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
sparx5_port_attr_bridge_flags(port, attr->u.brport_flags);
break;