From 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 18 May 2024 20:50:03 +0200
Subject: Adding upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 net/hsr/hsr_device.c  | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 net/hsr/hsr_forward.c |  2 +-
 net/hsr/hsr_main.c    |  1 +
 net/hsr/hsr_slave.c   |  3 ++-
 4 files changed, 70 insertions(+), 3 deletions(-)

(limited to 'net/hsr')

diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index dd4b5f0aa1..9d71b66183 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -173,7 +173,24 @@ static int hsr_dev_open(struct net_device *dev)
 
 static int hsr_dev_close(struct net_device *dev)
 {
-	/* Nothing to do here. */
+	struct hsr_port *port;
+	struct hsr_priv *hsr;
+
+	hsr = netdev_priv(dev);
+	hsr_for_each_port(hsr, port) {
+		if (port->type == HSR_PT_MASTER)
+			continue;
+		switch (port->type) {
+		case HSR_PT_SLAVE_A:
+		case HSR_PT_SLAVE_B:
+			dev_uc_unsync(port->dev, dev);
+			dev_mc_unsync(port->dev, dev);
+			break;
+		default:
+			break;
+		}
+	}
+
 	return 0;
 }
 
@@ -404,12 +421,60 @@ void hsr_del_ports(struct hsr_priv *hsr)
 		hsr_del_port(port);
 }
 
+static void hsr_set_rx_mode(struct net_device *dev)
+{
+	struct hsr_port *port;
+	struct hsr_priv *hsr;
+
+	hsr = netdev_priv(dev);
+
+	hsr_for_each_port(hsr, port) {
+		if (port->type == HSR_PT_MASTER)
+			continue;
+		switch (port->type) {
+		case HSR_PT_SLAVE_A:
+		case HSR_PT_SLAVE_B:
+			dev_mc_sync_multiple(port->dev, dev);
+			dev_uc_sync_multiple(port->dev, dev);
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+static void hsr_change_rx_flags(struct net_device *dev, int change)
+{
+	struct hsr_port *port;
+	struct hsr_priv *hsr;
+
+	hsr = netdev_priv(dev);
+
+	hsr_for_each_port(hsr, port) {
+		if (port->type == HSR_PT_MASTER)
+			continue;
+		switch (port->type) {
+		case HSR_PT_SLAVE_A:
+		case HSR_PT_SLAVE_B:
+			if (change & IFF_ALLMULTI)
+				dev_set_allmulti(port->dev,
+						 dev->flags &
+						 IFF_ALLMULTI ? 1 : -1);
+			break;
+		default:
+			break;
+		}
+	}
+}
+
 static const struct net_device_ops hsr_device_ops = {
 	.ndo_change_mtu = hsr_dev_change_mtu,
 	.ndo_open = hsr_dev_open,
 	.ndo_stop = hsr_dev_close,
 	.ndo_start_xmit = hsr_dev_xmit,
+	.ndo_change_rx_flags = hsr_change_rx_flags,
 	.ndo_fix_features = hsr_fix_features,
+	.ndo_set_rx_mode = hsr_set_rx_mode,
 };
 
 static struct device_type hsr_type = {
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index 0323ab5023..5d68cb1816 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -435,7 +435,7 @@ static void hsr_forward_do(struct hsr_frame_info *frame)
 			continue;
 
 		/* Don't send frame over port where it has been sent before.
-		 * Also fro SAN, this shouldn't be done.
+		 * Also for SAN, this shouldn't be done.
 		 */
 		if (!frame->is_from_san &&
 		    hsr_register_frame_out(port, frame->node_src,
diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c
index 257b50124c..9756e657ba 100644
--- a/net/hsr/hsr_main.c
+++ b/net/hsr/hsr_main.c
@@ -174,4 +174,5 @@ static void __exit hsr_exit(void)
 
 module_init(hsr_init);
 module_exit(hsr_exit);
+MODULE_DESCRIPTION("High-availability Seamless Redundancy (HSR) driver");
 MODULE_LICENSE("GPL");
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
index e5742f2a2d..1b6457f357 100644
--- a/net/hsr/hsr_slave.c
+++ b/net/hsr/hsr_slave.c
@@ -220,7 +220,8 @@ void hsr_del_port(struct hsr_port *port)
 		netdev_update_features(master->dev);
 		dev_set_mtu(master->dev, hsr_get_max_mtu(hsr));
 		netdev_rx_handler_unregister(port->dev);
-		dev_set_promiscuity(port->dev, -1);
+		if (!port->hsr->fwd_offloaded)
+			dev_set_promiscuity(port->dev, -1);
 		netdev_upper_dev_unlink(port->dev, master->dev);
 	}
 
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