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authorVladimir Oltean <vladimir.oltean@nxp.com>2021-03-19 01:36:36 +0200
committerDavid S. Miller <davem@davemloft.net>2021-03-18 19:13:42 -0700
commitdf291e54ccca0ef357f07a7b89263f7918d6ed7a (patch)
tree77686b1c5d1b263488120b918892a4eeeb6657ef /include/soc
parentd25fde64d1c271277b801c57a954037f80babbd1 (diff)
net: ocelot: support multiple bridges
The ocelot switches are a bit odd in that they do not have an STP state to put the ports into. Instead, the forwarding configuration is delayed from the typical port_bridge_join into stp_state_set, when the port enters the BR_STATE_FORWARDING state. I can only guess that the implementation of this quirk is the reason that led to the simplification of the driver such that only one bridge could be offloaded at a time. We can simplify the data structures somewhat, and introduce a per-port bridge device pointer and STP state, similar to how the LAG offload works now (there we have a per-port bonding device pointer and TX enabled state). This allows offloading multiple bridges with relative ease, while still keeping in place the quirk to delay the programming of the PGIDs. We actually need this change now because we need to remove the bogus restriction from ocelot_bridge_stp_state_set that ocelot->bridge_mask needs to contain BIT(port), otherwise that function is a no-op. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/soc')
-rw-r--r--include/soc/mscc/ocelot.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index 0a0751bf97dd..ce7e5c1bd90d 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -615,6 +615,9 @@ struct ocelot_port {
bool lag_tx_active;
u16 mrp_ring_id;
+
+ struct net_device *bridge;
+ u8 stp_state;
};
struct ocelot {
@@ -634,10 +637,6 @@ struct ocelot {
int num_frame_refs;
int num_mact_rows;
- struct net_device *hw_bridge_dev;
- u16 bridge_mask;
- u16 bridge_fwd_mask;
-
struct ocelot_port **ports;
u8 base_mac[ETH_ALEN];