target/linux/mediatek/patches-5.4/999-1761-v5.18-net-macsec-invoke-mdo_upd_secy-callback-when-mac-address-changed.patch

From 09f4136c5d6b4c5144a965bd086009863d58ff08 Mon Sep 17 00:00:00 2001
From: Dmitry Bogdanov <dbogdanov@marvell.com>
Date: Tue, 10 Mar 2020 18:22:25 +0300
Subject: net: macsec: invoke mdo_upd_secy callback when mac address changed

Notify the offload engine about MAC address change to reconfigure it
accordingly.

Fixes: 3cf3227a21d1 ("net: macsec: hardware offloading infrastructure")
Signed-off-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macsec.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 66c6392251bc3..6ec6fc191a6e4 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3274,6 +3274,19 @@ static int macsec_set_mac_address(struct net_device *dev, void *p)
 out:
 	ether_addr_copy(dev->dev_addr, addr->sa_data);
 	macsec->secy.sci = dev_to_sci(dev, MACSEC_PORT_ES);
+
+	/* If h/w offloading is available, propagate to the device */
+	if (macsec_is_offloaded(macsec)) {
+		const struct macsec_ops *ops;
+		struct macsec_context ctx;
+
+		ops = macsec_get_ops(macsec, &ctx);
+		if (ops) {
+			ctx.secy = &macsec->secy;
+			macsec_offload(ops->mdo_upd_secy, &ctx);
+		}
+	}
+
 	return 0;
 }
 
-- 
cgit 1.2.3-1.el7