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Date:   Sun, 01 Nov 2020 13:17:07 +0000
To:     "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>
From:   Alexander Lobakin <alobakin@pm.me>
Cc:     Jay Vosburgh <j.vosburgh@gmail.com>,
        Veaceslav Falico <vfalico@gmail.com>,
        Andy Gospodarek <andy@greyhouse.net>,
        Jiri Pirko <jiri@resnulli.us>,
        Steffen Klassert <steffen.klassert@secunet.com>,
        Willem de Bruijn <willemb@google.com>,
        Alexander Lobakin <alobakin@pm.me>,
        Miaohe Lin <linmiaohe@huawei.com>,
        Antoine Tenart <atenart@kernel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Reply-To: Alexander Lobakin <alobakin@pm.me>
Subject: [PATCH v2 net-next 1/2] net: add GSO UDP L4 and GSO fraglists to the list of software-backed types
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Commit e20cf8d3f1f7 ("udp: implement GRO for plain UDP sockets.") and
commit 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.") made UDP L4
and fraglisted GRO/GSO fully supported by the software fallback mode.
We can safely add them to NETIF_F_GSO_SOFTWARE to allow logical/virtual
netdevs to forward these types of skbs up to the real drivers.

Signed-off-by: Alexander Lobakin <alobakin@pm.me>
---
 include/linux/netdev_features.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_feature=
s.h
index 0b17c4322b09..934de56644e7 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -207,8 +207,8 @@ static inline int find_next_netdev_feature(u64 feature,=
 unsigned long start)
 =09=09=09=09 NETIF_F_FSO)
=20
 /* List of features with software fallbacks. */
-#define NETIF_F_GSO_SOFTWARE=09(NETIF_F_ALL_TSO | \
-=09=09=09=09 NETIF_F_GSO_SCTP)
+#define NETIF_F_GSO_SOFTWARE=09(NETIF_F_ALL_TSO | NETIF_F_GSO_SCTP |=09   =
  \
+=09=09=09=09 NETIF_F_GSO_UDP_L4 | NETIF_F_GSO_FRAGLIST)
=20
 /*
  * If one device supports one of these features, then enable them
--=20
2.29.2