netdev - [PATCH V4 net-next 05/14] net: Add TLS TX offload features

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Message-Id: <20180327215201.18859-6-saeedm@mellanox.com>
Date:   Tue, 27 Mar 2018 14:51:52 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Dave Watson <davejwatson@...com>,
        Boris Pismenny <borisp@...lanox.com>,
        Ilya Lesokhin <ilyal@...lanox.com>,
        Aviad Yehezkel <aviadye@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH V4 net-next 05/14] net: Add TLS TX offload features

From: Ilya Lesokhin <ilyal@...lanox.com>

This patch adds a netdev feature to configure TLS TX offloads.

Signed-off-by: Ilya Lesokhin <ilyal@...lanox.com>
Signed-off-by: Boris Pismenny <borisp@...lanox.com>
Signed-off-by: Aviad Yehezkel <aviadye@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 include/linux/netdev_features.h | 2 ++
 net/core/ethtool.c              | 1 +
 2 files changed, 3 insertions(+)

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index db84c516bcfb..18dc34202080 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -77,6 +77,7 @@ enum {
 	NETIF_F_HW_ESP_BIT,		/* Hardware ESP transformation offload */
 	NETIF_F_HW_ESP_TX_CSUM_BIT,	/* ESP with TX checksum offload */
 	NETIF_F_RX_UDP_TUNNEL_PORT_BIT, /* Offload of RX port for UDP tunnels */
+	NETIF_F_HW_TLS_TX_BIT,		/* Hardware TLS TX offload */
 
 	NETIF_F_GRO_HW_BIT,		/* Hardware Generic receive offload */
 
@@ -145,6 +146,7 @@ enum {
 #define NETIF_F_HW_ESP		__NETIF_F(HW_ESP)
 #define NETIF_F_HW_ESP_TX_CSUM	__NETIF_F(HW_ESP_TX_CSUM)
 #define	NETIF_F_RX_UDP_TUNNEL_PORT  __NETIF_F(RX_UDP_TUNNEL_PORT)
+#define NETIF_F_HW_TLS_TX	__NETIF_F(HW_TLS_TX)
 
 #define for_each_netdev_feature(mask_addr, bit)	\
 	for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT)
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index bb6e498c6e3d..0fb7cb4b68ce 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -107,6 +107,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
 	[NETIF_F_HW_ESP_BIT] =		 "esp-hw-offload",
 	[NETIF_F_HW_ESP_TX_CSUM_BIT] =	 "esp-tx-csum-hw-offload",
 	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =	 "rx-udp_tunnel-port-offload",
+	[NETIF_F_HW_TLS_TX_BIT] =	 "tls-hw-tx-offload",
 };
 
 static const char
-- 
2.14.3