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From: Xin Long <lucien.xin@gmail.com>
To: network dev <netdev@vger.kernel.org>, linux-sctp@vger.kernel.org
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	Neil Horman <nhorman@tuxdriver.com>,
	davem@davemloft.net, Jakub Kicinski <kuba@kernel.org>,
	Alexander Duyck <alexander.duyck@gmail.com>
Subject: [PATCHv2 net-next 2/2] udp: remove CRC flag from dev features in __skb_udp_tunnel_segment
Date: Fri, 15 Jan 2021 16:21:12 +0800	[thread overview]
Message-ID: <fb2283b264aac66379356ec7a1f17243f02504a1.1610698811.git.lucien.xin@gmail.com> (raw)
In-Reply-To: <bfecc76748f5dc64eaddf501c258dca9efb92bdf.1610698811.git.lucien.xin@gmail.com>
In-Reply-To: <cover.1610698811.git.lucien.xin@gmail.com>

Signed-off-by: Xin Long <lucien.xin@gmail.com>
---
 net/ipv4/udp_offload.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index ff39e94..1168d18 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -68,8 +68,8 @@ static struct sk_buff *__skb_udp_tunnel_segment(struct sk_buff *skb,
 				      (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM))));
 
 	features &= skb->dev->hw_enc_features;
-	/* CRC checksum can't be handled by HW when it's a UDP tunneling packet. */
-	features &= ~NETIF_F_SCTP_CRC;
+	if (need_csum)
+		features &= ~NETIF_F_SCTP_CRC;
 
 	/* The only checksum offload we care about from here on out is the
 	 * outer one so strip the existing checksum feature flags and
-- 
2.1.0


  reply	other threads:[~2021-01-15  8:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15  8:21 [PATCHv2 net-next 0/2] net: fix the features flag in sctp_gso_segment Xin Long
2021-01-15  8:21 ` [PATCHv2 net-next 1/2] net: move the hsize check to the else block in skb_segment Xin Long
2021-01-15  8:21   ` Xin Long [this message]
2021-01-15  9:31 ` [PATCHv2 net-next 0/2] net: fix the features flag in sctp_gso_segment Xin Long

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