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Subject[PATCH net-next v2 1/9] net: introduce the MACSEC netdev feature
Date
This patch introduce a new netdev feature, which will be used by drivers
to state they can perform MACsec transformations in hardware.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
---
include/linux/netdev_features.h | 3 +++
net/core/ethtool.c | 1 +
2 files changed, 4 insertions(+)

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 4b19c544c59a..020f8542b92f 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -81,6 +81,8 @@ enum {
NETIF_F_GRO_HW_BIT, /* Hardware Generic receive offload */
NETIF_F_HW_TLS_RECORD_BIT, /* Offload TLS record */

+ NETIF_F_HW_MACSEC_BIT, /* Offload MACsec operations */
+
/*
* Add your fresh new feature above and remember to update
* netdev_features_strings[] in net/core/ethtool.c and maybe
@@ -150,6 +152,7 @@ enum {
#define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4)
#define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX)
#define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX)
+#define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC)

/* Finds the next feature with the highest number of the range of start till 0.
*/
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 6288e69e94fc..4a410e0ff179 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -111,6 +111,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record",
[NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
[NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
+ [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload",
};

static const char
--
2.21.0
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