netdev - [PATCH net-next 13/19] net: usb: aqc111: Add support for TSO

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Message-ID: <b4e69e6a2b05929bbba681f1bdd115eb32cb64b0.1538734658.git.igor.russkikh@aquantia.com>
Date:   Fri, 5 Oct 2018 10:25:12 +0000
From:   Igor Russkikh <Igor.Russkikh@...antia.com>
To:     "David S . Miller" <davem@...emloft.net>
CC:     "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Igor Russkikh <Igor.Russkikh@...antia.com>,
        Dmitry Bezrukov <Dmitry.Bezrukov@...antia.com>
Subject: [PATCH net-next 13/19] net: usb: aqc111: Add support for TSO

From: Dmitry Bezrukov <dmitry.bezrukov@...antia.com>

Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@...antia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@...antia.com>
---
 drivers/net/usb/aqc111.c | 3 +++
 drivers/net/usb/aqc111.h | 6 ++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
index 6efd9a9ad44e..f61fa7446b72 100644
--- a/drivers/net/usb/aqc111.c
+++ b/drivers/net/usb/aqc111.c
@@ -964,6 +964,9 @@ static struct sk_buff *aqc111_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
 	/*Length of actual data*/
 	tx_hdr.length = (skb->len & 0x1FFFFF);
 
+	/* TSO MSS */
+	tx_hdr.max_seg_size = skb_shinfo(skb)->gso_size;
+
 	headroom = (skb->len + AQ_TX_HEADER_SIZE) % 8;
 	if (headroom != 0)
 		padding_size = 8 - headroom;
diff --git a/drivers/net/usb/aqc111.h b/drivers/net/usb/aqc111.h
index 0be2e4cbb00a..9cf357777df9 100644
--- a/drivers/net/usb/aqc111.h
+++ b/drivers/net/usb/aqc111.h
@@ -64,10 +64,12 @@
 
 /* Feature. ********************************************/
 #define AQ_SUPPORT_FEATURE	(NETIF_F_SG | NETIF_F_IP_CSUM |\
-				 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM)
+				 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |\
+				 NETIF_F_TSO)
 
 #define AQ_SUPPORT_HW_FEATURE	(NETIF_F_SG | NETIF_F_IP_CSUM |\
-				 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM)
+				 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |\
+				 NETIF_F_TSO)
 
 /* SFR Reg. ********************************************/
 
-- 
2.7.4