Messages in this thread Patch in this message | | | From | "Radu Pirea (NXP OSS)" <> | Subject | [PATCH] net: macsec: use TX SCI as MAC address | Date | Tue, 8 Aug 2023 17:14:29 +0300 |
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According to IEEE 802.1AE the SCI comprises the MAC address and the port identifier. If a new MACsec interface is created with a specific TX SCI, use that SCI to set the MAC address of the new interface.
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com> --- drivers/net/macsec.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 984dfa5d6c11..6db69daf880d 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -4103,12 +4103,14 @@ static int macsec_newlink(struct net *net, struct net_device *dev, /* need to be already registered so that ->init has run and * the MAC addr is set */ - if (data && data[IFLA_MACSEC_SCI]) + if (data && data[IFLA_MACSEC_SCI]) { sci = nla_get_sci(data[IFLA_MACSEC_SCI]); - else if (data && data[IFLA_MACSEC_PORT]) + eth_hw_addr_set(dev, (u8 *)&sci); + } else if (data && data[IFLA_MACSEC_PORT]) { sci = dev_to_sci(dev, nla_get_be16(data[IFLA_MACSEC_PORT])); - else + } else { sci = dev_to_sci(dev, MACSEC_PORT_ES); + } if (rx_handler && sci_exists(real_dev, sci)) { err = -EBUSY; -- 2.34.1
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