netdev - [PATCH RFC v3 2/5] net: Add NETIF_F_GRO

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Message-ID: <20190918072517.16037-3-steffen.klassert@secunet.com>
Date:   Wed, 18 Sep 2019 09:25:14 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     <netdev@...r.kernel.org>
CC:     Steffen Klassert <steffen.klassert@...unet.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH RFC v3 2/5] net: Add NETIF_F_GRO_LIST feature

This adds a new NETIF_F_GRO_LIST feature flag. I will be used
to configure listfyed GRO what will be implemented with some
followup paches.

Signed-off-by: Steffen Klassert <steffen.klassert@...unet.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 4b19c544c59a..1b6baa1b6fe9 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -80,6 +80,7 @@ enum {
 
 	NETIF_F_GRO_HW_BIT,		/* Hardware Generic receive offload */
 	NETIF_F_HW_TLS_RECORD_BIT,	/* Offload TLS record */
+	NETIF_F_GRO_LIST_BIT,		/* Listifyed GRO */
 
 	/*
 	 * Add your fresh new feature above and remember to update
@@ -150,6 +151,7 @@ enum {
 #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 NETIF_F_GRO_LIST	__NETIF_F(GRO_LIST)
 
 /* Finds the next feature with the highest number of the range of start till 0.
  */
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 6288e69e94fc..ee8d2b58c2d7 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -111,6 +111,7 @@ 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_GRO_LIST_BIT] =         "rx-gro-list",
 };
 
 static const char
-- 
2.17.1