diff mbox series

[v2,net-next,13/21] net: usb: aqc111: Add support for TSO

Message ID b421a8d706dd7f7db84d2570d5ce1154a2cafa4b.1542119058.git.igor.russkikh@aquantia.com (mailing list archive)
State Superseded
Headers show
Series Add support for Aquantia AQtion USB to 5/2.5GbE devices | expand

Commit Message

Igor Russkikh Nov. 13, 2018, 2:45 p.m. UTC 
From: Dmitry Bezrukov <dmitry.bezrukov@aquantia.com>

Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
---
 drivers/net/usb/aqc111.c | 4 ++++
 drivers/net/usb/aqc111.h | 8 ++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
index 891d6832b87c..2cbdca3d8dfc 100644
--- a/drivers/net/usb/aqc111.c
+++ b/drivers/net/usb/aqc111.c
@@ -953,6 +953,10 @@  static struct sk_buff *aqc111_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
 	/*Length of actual data*/
 	tx_desc |= skb->len & AQ_TX_DESC_LEN_MASK;
 
+	/* TSO MSS */
+	tx_desc |= ((u64)(skb_shinfo(skb)->gso_size & AQ_TX_DESC_MSS_MASK)) <<
+		   AQ_TX_DESC_MSS_SHIFT;
+
 	headroom = (skb->len + sizeof(tx_desc)) % 8;
 	if (headroom != 0)
 		padding_size = 8 - headroom;
diff --git a/drivers/net/usb/aqc111.h b/drivers/net/usb/aqc111.h
index 477815f8b7de..b27c4db22a51 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. ********************************************/
 
@@ -205,6 +207,8 @@  struct aqc111_data {
 /* TX Descriptor */
 #define AQ_TX_DESC_LEN_MASK	0x1FFFFF
 #define AQ_TX_DESC_DROP_PADD	BIT(28)
+#define AQ_TX_DESC_MSS_MASK	0x7FFF
+#define AQ_TX_DESC_MSS_SHIFT	0x20
 
 #define AQ_RX_HW_PAD			0x02