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Commit b96af0f3 authored by Antoine Tenart's avatar Antoine Tenart Committed by Gerrit - the friendly Code Review server
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net: introduce the MACSEC netdev feature 



This patch introduce a new netdev feature, which will be used by drivers
to state they can perform MACsec transformations in hardware.

The patchset was gathered by Mark, macsec functinality itself
was implemented by Dmitry, Mark and Pavel Belous.

Change-Id: I84cc0abf852a5adb25d3f6d3fd100b1921b66165
Signed-off-by: default avatarAntoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: default avatarMark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: default avatarIgor Russkikh <irusskikh@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Git-commit: 5908220b2b3d6918f88cd645a39e1dcb84d1c5d9
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


[quic_adamodar@quicinc.com: Moved upstream change in
 net/ethtool/common.c to net/core/ethtool.c]
Signed-off-by: default avatarAkshaya Damodaran <quic_adamodar@quicinc.com>
parent d6a2023c

include/linux/netdev_features.h

+3 −0
Original line number Diff line number Diff line
@@ -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/ethtool/common.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.

 */

net/core/ethtool.c

+1 −0
Original line number Diff line number Diff line
@@ -112,6 +112,7 @@ 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