From ce6b22679cfdb8455478ed555073ef3bceb8805f Mon Sep 17 00:00:00 2001 From: Dmitry Bogdanov Date: Tue, 10 Mar 2020 18:22:24 +0300 Subject: [PATCH] net: macsec: update SCI upon MAC address change. SCI should be updated, because it contains MAC in its first 6 octets. Fixes: 4f0c7417cca8 ("macsec: introduce IEEE 802.1AE driver") Signed-off-by: Dmitry Bogdanov Signed-off-by: Mark Starovoytov Signed-off-by: Igor Russkikh Signed-off-by: David S. Miller --- drivers/net/macsec.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 5af424eeea86f..66c6392251bc3 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -424,6 +424,11 @@ static struct macsec_eth_header *macsec_ethhdr(struct sk_buff *skb) return (struct macsec_eth_header *)skb_mac_header(skb); } +static sci_t dev_to_sci(struct net_device *dev, __be16 port) +{ + return make_sci(dev->dev_addr, port); +} + static void __macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa) { @@ -3268,6 +3273,7 @@ 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); return 0; } @@ -3593,11 +3599,6 @@ static bool sci_exists(struct net_device *dev, sci_t sci) return false; } -static sci_t dev_to_sci(struct net_device *dev, __be16 port) -{ - return make_sci(dev->dev_addr, port); -} - static int macsec_add_dev(struct net_device *dev, sci_t sci, u8 icv_len) { struct macsec_dev *macsec = macsec_priv(dev); -- 2.39.5