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net: introduce the MACSEC netdev feature

Browse source 
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: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David 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: Akshaya Damodaran <quic_adamodar@quicinc.com>
This commit is contained in:
Antoine Tenart 2020-03-25 15:52:30 +03:00 • committed by Gerrit - the friendly Code Review server
commit b96af0f331
2 changed files with 4 additions and 0 deletions
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3
include/linux/netdev_features.h
View file

@ -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.
*/

1
net/core/ethtool.c
View file

@ -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