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authorDmitry Bogdanov <dbogdanov@marvell.com>2020-03-25 15:52:35 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-26 20:17:36 -0700
commita249f8050624f92f844605274de3367e2c8ac706 (patch)
tree7ac5c56477f78642d3cb90603b474a401f00958b /drivers/net/macsec.c
parent182879f89b858fede98136ea3ad45fe9c7178387 (diff)
downloadlinux-a249f8050624f92f844605274de3367e2c8ac706.tar.gz
net: macsec: allow multiple macsec devices with offload
Offload engine can setup several SecY. Each macsec interface shall have
its own mac address. It will filter a traffic by dest mac address.

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>
Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c25
1 files changed, 1 insertions, 24 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 093e81d605ec..146a7881a20a 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -2553,11 +2553,10 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info)
 	enum macsec_offload offload, prev_offload;
 	int (*func)(struct macsec_context *ctx);
 	struct nlattr **attrs = info->attrs;
-	struct net_device *dev, *loop_dev;
+	struct net_device *dev;
 	const struct macsec_ops *ops;
 	struct macsec_context ctx;
 	struct macsec_dev *macsec;
-	struct net *loop_net;
 	int ret;
 
 	if (!attrs[MACSEC_ATTR_IFINDEX])
@@ -2585,28 +2584,6 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info)
 	    !macsec_check_offload(offload, macsec))
 		return -EOPNOTSUPP;
 
-	if (offload == MACSEC_OFFLOAD_OFF)
-		goto skip_limitation;
-
-	/* Check the physical interface isn't offloading another interface
-	 * first.
-	 */
-	for_each_net(loop_net) {
-		for_each_netdev(loop_net, loop_dev) {
-			struct macsec_dev *priv;
-
-			if (!netif_is_macsec(loop_dev))
-				continue;
-
-			priv = macsec_priv(loop_dev);
-
-			if (priv->real_dev == macsec->real_dev &&
-			    priv->offload != MACSEC_OFFLOAD_OFF)
-				return -EBUSY;
-		}
-	}
-
-skip_limitation:
 	/* Check if the net device is busy. */
 	if (netif_running(dev))
 		return -EBUSY;