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[RFC,v2,01/16] net: introduce the MACSEC netdev feature

Message ID 20200310150342.1701-2-irusskikh@marvell.com
State New
Headers show
Series [RFC,v2,01/16] net: introduce the MACSEC netdev feature | expand

Commit Message

Igor Russkikh March 10, 2020, 3:03 p.m. UTC 
From: Antoine Tenart <antoine.tenart@bootlin.com>

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>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
---
 include/linux/netdev_features.h | 3 +++
 net/ethtool/common.c            | 1 +
 2 files changed, 4 insertions(+)
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Patch

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 34d050bb1ae6..9d53c5ad272c 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -83,6 +83,8 @@  enum {
 	NETIF_F_HW_TLS_RECORD_BIT,	/* Offload TLS record */
 	NETIF_F_GRO_FRAGLIST_BIT,	/* Fraglist GRO */
 
+	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
@@ -154,6 +156,7 @@  enum {
 #define NETIF_F_HW_TLS_RX	__NETIF_F(HW_TLS_RX)
 #define NETIF_F_GRO_FRAGLIST	__NETIF_F(GRO_FRAGLIST)
 #define NETIF_F_GSO_FRAGLIST	__NETIF_F(GSO_FRAGLIST)
+#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/ethtool/common.c b/net/ethtool/common.c
index 7b6969af5ae7..686d3c7dce83 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -60,6 +60,7 @@  const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
 	[NETIF_F_HW_TLS_TX_BIT] =	 "tls-hw-tx-offload",
 	[NETIF_F_HW_TLS_RX_BIT] =	 "tls-hw-rx-offload",
 	[NETIF_F_GRO_FRAGLIST_BIT] =	 "rx-gro-list",
+	[NETIF_F_HW_MACSEC_BIT] =	 "macsec-hw-offload",
 };
 
 const char