diff mbox series

[net-next,3/3] net: ti: icssg-prueth: Add VLAN support for HSR mode

Message ID 20241004074715.791191-4-danishanwar@ti.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series Introduce VLAN support in HSR | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 5 this patch: 5
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 3 this patch: 3
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 63 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-10-05--03-00 (tests: 774)

Commit Message

MD Danish Anwar Oct. 4, 2024, 7:47 a.m. UTC 
From: Ravi Gunasekaran <r-gunasekaran@ti.com>

Add support for VLAN addition/deletion in HSR mode.
In HSR mode, even if the host port is not a member of
the VLAN domain, the slave ports should simply forward the
frames. So allow forwarding of all VLAN frames in HSR mode.

Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
---
 drivers/net/ethernet/ti/icssg/icssg_prueth.c | 45 +++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 5fd9902ab181..a740ce084e21 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -808,6 +808,47 @@  static netdev_features_t emac_ndo_fix_features(struct net_device *ndev,
 	return features;
 }
 
+static int emac_ndo_vlan_rx_add_vid(struct net_device *ndev,
+				    __be16 proto, u16 vid)
+{
+	struct prueth_emac *emac = netdev_priv(ndev);
+	struct prueth *prueth = emac->prueth;
+	int untag_mask = 0;
+	int port_mask;
+
+	if (prueth->is_hsr_offload_mode) {
+		port_mask = BIT(PRUETH_PORT_HOST) | BIT(emac->port_id);
+		untag_mask = 0;
+
+		netdev_dbg(emac->ndev, "VID add vid:%u port_mask:%X untag_mask %X\n",
+			   vid, port_mask, untag_mask);
+
+		icssg_vtbl_modify(emac, vid, port_mask, untag_mask, true);
+		icssg_set_pvid(emac->prueth, vid, emac->port_id);
+	}
+	return 0;
+}
+
+static int emac_ndo_vlan_rx_del_vid(struct net_device *ndev,
+				    __be16 proto, u16 vid)
+{
+	struct prueth_emac *emac = netdev_priv(ndev);
+	struct prueth *prueth = emac->prueth;
+	int untag_mask = 0;
+	int port_mask;
+
+	if (prueth->is_hsr_offload_mode) {
+		port_mask = BIT(PRUETH_PORT_HOST);
+		untag_mask = 0;
+
+		netdev_dbg(emac->ndev, "VID del vid:%u port_mask:%X untag_mask  %X\n",
+			   vid, port_mask, untag_mask);
+
+		icssg_vtbl_modify(emac, vid, port_mask, untag_mask, false);
+	}
+	return 0;
+}
+
 static const struct net_device_ops emac_netdev_ops = {
 	.ndo_open = emac_ndo_open,
 	.ndo_stop = emac_ndo_stop,
@@ -820,6 +861,8 @@  static const struct net_device_ops emac_netdev_ops = {
 	.ndo_get_stats64 = icssg_ndo_get_stats64,
 	.ndo_get_phys_port_name = icssg_ndo_get_phys_port_name,
 	.ndo_fix_features = emac_ndo_fix_features,
+	.ndo_vlan_rx_add_vid = emac_ndo_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid = emac_ndo_vlan_rx_del_vid,
 };
 
 static int prueth_netdev_init(struct prueth *prueth,
@@ -947,7 +990,7 @@  static int prueth_netdev_init(struct prueth *prueth,
 	ndev->netdev_ops = &emac_netdev_ops;
 	ndev->ethtool_ops = &icssg_ethtool_ops;
 	ndev->hw_features = NETIF_F_SG;
-	ndev->features = ndev->hw_features;
+	ndev->features = ndev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
 	ndev->hw_features |= NETIF_PRUETH_HSR_OFFLOAD_FEATURES;
 
 	netif_napi_add(ndev, &emac->napi_rx, icssg_napi_rx_poll);