netdev - [PATCH v2 net-next 02/18] net: Add TLS RX offload feature

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Date:   Sun,  8 Jul 2018 12:36:16 +0300
From:   Boris Pismenny <borisp@...lanox.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, davejwatson@...com, aviadye@...lanox.com,
        borisp@...lanox.com, saeedm@...lanox.com,
        Ilya Lesokhin <ilyal@...lanox.com>
Subject: [PATCH v2 net-next 02/18] net: Add TLS RX offload feature

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

This patch adds a netdev feature to configure TLS RX inline crypto offload.

Signed-off-by: Ilya Lesokhin <ilyal@...lanox.com>
Signed-off-by: Boris Pismenny <borisp@...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 c87c3a3..2be2911 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -79,6 +79,7 @@ enum {
 	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_HW_TLS_RX_BIT,		/* Hardware TLS RX offload */
 
 	NETIF_F_GRO_HW_BIT,		/* Hardware Generic receive offload */
 	NETIF_F_HW_TLS_RECORD_BIT,	/* Offload TLS record */
@@ -151,6 +152,7 @@ enum {
 #define NETIF_F_HW_TLS_RECORD	__NETIF_F(HW_TLS_RECORD)
 #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 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 c15075d..49fc539 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -111,6 +111,7 @@ int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
 	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =	 "rx-udp_tunnel-port-offload",
 	[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",
 };
 
 static const char
-- 
1.8.3.1