This patch adds netdev features to configure IPsec offloads.
Signed-off-by: Steffen Klassert <steffen.klass...@secunet.com>
---
include/linux/netdev_features.h | 8 +++++++-
include/linux/netdevice.h | 1 +
include/linux/skbuff.h | 2 ++
net/core/ethtool.c | 3 +++
4 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 9a04195..1d4737c 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -54,8 +54,9 @@ enum {
*/
NETIF_F_GSO_TUNNEL_REMCSUM_BIT, /* ... TUNNEL with TSO & REMCSUM */
NETIF_F_GSO_SCTP_BIT, /* ... SCTP fragmentation */
+ NETIF_F_GSO_ESP_BIT, /* ... ESP with TSO */
/**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */
- NETIF_F_GSO_SCTP_BIT,
+ NETIF_F_GSO_ESP_BIT,
NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */
NETIF_F_SCTP_CRC_BIT, /* SCTP checksum offload */
@@ -73,6 +74,8 @@ enum {
NETIF_F_HW_L2FW_DOFFLOAD_BIT, /* Allow L2 Forwarding in Hardware */
NETIF_F_HW_TC_BIT, /* Offload TC infrastructure */
+ NETIF_F_HW_ESP_BIT, /* Hardware ESP transformation offload
*/
+ NETIF_F_HW_ESP_TX_CSUM_BIT, /* ESP with TX checksum offload */
/*
* Add your fresh new feature above and remember to update
@@ -129,11 +132,14 @@ enum {
#define NETIF_F_GSO_PARTIAL __NETIF_F(GSO_PARTIAL)
#define NETIF_F_GSO_TUNNEL_REMCSUM __NETIF_F(GSO_TUNNEL_REMCSUM)
#define NETIF_F_GSO_SCTP __NETIF_F(GSO_SCTP)
+#define NETIF_F_GSO_ESP __NETIF_F(GSO_ESP)
#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
#define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX)
#define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX)
#define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD)
#define NETIF_F_HW_TC __NETIF_F(HW_TC)
+#define NETIF_F_HW_ESP __NETIF_F(HW_ESP)
+#define NETIF_F_HW_ESP_TX_CSUM __NETIF_F(HW_ESP_TX_CSUM)
#define for_each_netdev_feature(mask_addr, bit) \
for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cc07c3b..5bb03d1 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4070,6 +4070,7 @@ static inline bool net_gso_ok(netdev_features_t features,
int gso_type)
BUILD_BUG_ON(SKB_GSO_PARTIAL != (NETIF_F_GSO_PARTIAL >>
NETIF_F_GSO_SHIFT));
BUILD_BUG_ON(SKB_GSO_TUNNEL_REMCSUM != (NETIF_F_GSO_TUNNEL_REMCSUM >>
NETIF_F_GSO_SHIFT));
BUILD_BUG_ON(SKB_GSO_SCTP != (NETIF_F_GSO_SCTP >>
NETIF_F_GSO_SHIFT));
+ BUILD_BUG_ON(SKB_GSO_ESP != (NETIF_F_GSO_ESP >> NETIF_F_GSO_SHIFT));
return (features & feature) == feature;
}
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 741d75c..81ef53f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -492,6 +492,8 @@ enum {
SKB_GSO_TUNNEL_REMCSUM = 1 << 14,
SKB_GSO_SCTP = 1 << 15,
+
+ SKB_GSO_ESP = 1 << 16,
};
#if BITS_PER_LONG > 32
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 905a88a..03111a2 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -90,6 +90,7 @@ static const char
netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
[NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
[NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
+ [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
[NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
[NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
@@ -103,6 +104,8 @@ static const char
netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_RXALL_BIT] = "rx-all",
[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
[NETIF_F_HW_TC_BIT] = "hw-tc-offload",
+ [NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
+ [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
};
static const char
--
2.7.4
