diff options
| author |   Horatiu Vultur <horatiu.vultur@microchip.com> | 2022-02-04 10:14:52 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-02-05 15:00:43 +0000 |
| commit | add2c844db33d96d5431c864f1ee041d3c456a66 (patch) | |
| tree | 6db3d48ce75cfa1a0997b5212cb769a3b1ca6be6 /drivers/net/ethernet/microchip | |
| parent | net: lan966x: Implement the callback SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED (diff) | |
| download | linux-dev-add2c844db33d96d5431c864f1ee041d3c456a66.tar.xz linux-dev-add2c844db33d96d5431c864f1ee041d3c456a66.zip | |
net: lan966x: Update mdb when enabling/disabling mcast_snooping
When the multicast snooping is disabled, the mdb entries should be
removed from the HW, but they still need to be kept in memory for when
the mcast_snooping will be enabled again.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/microchip')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_main.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_mdb.c | 45 | ||||
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c | 4 |
3 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h index 31fc54214041..058e43531818 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h @@ -267,6 +267,8 @@ int lan966x_handle_port_mdb_del(struct lan966x_port *port, const struct switchdev_obj *obj); void lan966x_mdb_erase_entries(struct lan966x *lan966x, u16 vid); void lan966x_mdb_write_entries(struct lan966x *lan966x, u16 vid); +void lan966x_mdb_clear_entries(struct lan966x *lan966x); +void lan966x_mdb_restore_entries(struct lan966x *lan966x); int lan966x_ptp_init(struct lan966x *lan966x); void lan966x_ptp_deinit(struct lan966x *lan966x); diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_mdb.c b/drivers/net/ethernet/microchip/lan966x/lan966x_mdb.c index c68d0a99d292..2af55268bf4d 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_mdb.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_mdb.c @@ -504,3 +504,48 @@ void lan966x_mdb_erase_entries(struct lan966x *lan966x, u16 vid) lan966x_mdb_l2_cpu_remove(lan966x, mdb_entry, type); } } + +void lan966x_mdb_clear_entries(struct lan966x *lan966x) +{ + struct lan966x_mdb_entry *mdb_entry; + enum macaccess_entry_type type; + unsigned char mac[ETH_ALEN]; + + list_for_each_entry(mdb_entry, &lan966x->mdb_entries, list) { + type = lan966x_mdb_classify(mdb_entry->mac); + + lan966x_mdb_encode_mac(mac, mdb_entry, type); + /* Remove just the MAC entry, still keep the PGID in case of L2 + * entries because this can be restored at later point + */ + lan966x_mac_forget(lan966x, mac, mdb_entry->vid, type); + } +} + +void lan966x_mdb_restore_entries(struct lan966x *lan966x) +{ + struct lan966x_mdb_entry *mdb_entry; + enum macaccess_entry_type type; + unsigned char mac[ETH_ALEN]; + bool cpu_copy = false; + + list_for_each_entry(mdb_entry, &lan966x->mdb_entries, list) { + type = lan966x_mdb_classify(mdb_entry->mac); + + lan966x_mdb_encode_mac(mac, mdb_entry, type); + if (type == ENTRYTYPE_MACV4 || type == ENTRYTYPE_MACV6) { + /* Copy the frame to CPU only if the CPU is in the VLAN */ + if (lan966x_vlan_cpu_member_cpu_vlan_mask(lan966x, + mdb_entry->vid) && + mdb_entry->cpu_copy) + cpu_copy = true; + + lan966x_mac_ip_learn(lan966x, cpu_copy, mac, + mdb_entry->vid, type); + } else { + lan966x_mac_learn(lan966x, mdb_entry->pgid->index, + mdb_entry->mac, + mdb_entry->vid, type); + } + } +} diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c b/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c index cf2535c18df8..9fce865287e7 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c @@ -185,6 +185,10 @@ static void lan966x_port_mc_set(struct lan966x_port *port, bool mcast_ena) struct lan966x *lan966x = port->lan966x; port->mcast_ena = mcast_ena; + if (mcast_ena) + lan966x_mdb_restore_entries(lan966x); + else + lan966x_mdb_clear_entries(lan966x); lan_rmw(ANA_CPU_FWD_CFG_IGMP_REDIR_ENA_SET(mcast_ena) | ANA_CPU_FWD_CFG_MLD_REDIR_ENA_SET(mcast_ena) | |