[PATCH net-next v3 5/6] net: ti: icssg-prueth: Add multicast filtering support in HSR mode
From: MD Danish Anwar <danishanwar@ti.com>
Date: 2024-08-28 09:19:42
Also in:
linux-arm-kernel, lkml
Subsystem:
networking drivers, the rest, ti icssg ethernet driver (icssg) · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add support for multicast filtering in HSR mode Signed-off-by: MD Danish Anwar <danishanwar@ti.com> --- drivers/net/ethernet/ti/icssg/icssg_prueth.c | 42 +++++++++++++++++++- 1 file changed, 40 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index b60efe7bd7a7..ecc342bcc1b5 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c@@ -490,6 +490,36 @@ static int icssg_prueth_del_mcast(struct net_device *ndev, const u8 *addr) return 0; } +static int icssg_prueth_hsr_add_mcast(struct net_device *ndev, const u8 *addr) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth *prueth = emac->prueth; + + icssg_fdb_add_del(emac, addr, prueth->default_vlan, + ICSSG_FDB_ENTRY_P0_MEMBERSHIP | + ICSSG_FDB_ENTRY_P1_MEMBERSHIP | + ICSSG_FDB_ENTRY_P2_MEMBERSHIP | + ICSSG_FDB_ENTRY_BLOCK, true); + + icssg_vtbl_modify(emac, emac->port_vlan, BIT(emac->port_id), + BIT(emac->port_id), true); + return 0; +} + +static int icssg_prueth_hsr_del_mcast(struct net_device *ndev, const u8 *addr) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth *prueth = emac->prueth; + + icssg_fdb_add_del(emac, addr, prueth->default_vlan, + ICSSG_FDB_ENTRY_P0_MEMBERSHIP | + ICSSG_FDB_ENTRY_P1_MEMBERSHIP | + ICSSG_FDB_ENTRY_P2_MEMBERSHIP | + ICSSG_FDB_ENTRY_BLOCK, false); + + return 0; +} + /** * emac_ndo_open - EMAC device open * @ndev: network adapter device
@@ -650,7 +680,10 @@ static int emac_ndo_stop(struct net_device *ndev) icssg_class_disable(prueth->miig_rt, prueth_emac_slice(emac)); - __dev_mc_unsync(ndev, icssg_prueth_del_mcast); + if (emac->prueth->is_hsr_offload_mode) + __dev_mc_unsync(ndev, icssg_prueth_hsr_del_mcast); + else + __dev_mc_unsync(ndev, icssg_prueth_del_mcast); atomic_set(&emac->tdown_cnt, emac->tx_ch_num); /* ensure new tdown_cnt value is visible */
@@ -728,7 +761,12 @@ static void emac_ndo_set_rx_mode_work(struct work_struct *work) return; } - __dev_mc_sync(ndev, icssg_prueth_add_mcast, icssg_prueth_del_mcast); + if (emac->prueth->is_hsr_offload_mode) + __dev_mc_sync(ndev, icssg_prueth_hsr_add_mcast, + icssg_prueth_hsr_del_mcast); + else + __dev_mc_sync(ndev, icssg_prueth_add_mcast, + icssg_prueth_del_mcast); } /**
--
2.34.1