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authorBen Dooks <ben.dooks@codethink.co.uk>2018-11-14 11:50:19 +0000
committerDavid S. Miller <davem@davemloft.net>2018-11-16 20:16:19 -0800
commit810eeb1f41a9a272eedc94ca18c072e75678ede4 (patch)
tree8054810cd3b130a0f9d95effa6d3dc7c39137334 /drivers/net/usb
parentMerge branch 'dpaa2-eth-add-bql-support' (diff)
downloadlinux-dev-810eeb1f41a9a272eedc94ca18c072e75678ede4.tar.xz
linux-dev-810eeb1f41a9a272eedc94ca18c072e75678ede4.zip
usbnet: smsc95xx: fix rx packet alignment
The smsc95xx driver already takes into account the NET_IP_ALIGN parameter when setting up the receive packet data, which means we do not need to worry about aligning the packets in the usbnet driver. Adding the EVENT_NO_IP_ALIGN means that the IPv4 header is now passed to the ip_rcv() routine with the start on an aligned address. Tested on Raspberry Pi B3. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/smsc95xx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index f2d01cb6f958..6e971628bb50 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1295,6 +1295,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->features |= NETIF_F_RXCSUM;
dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+ set_bit(EVENT_NO_IP_ALIGN, &dev->flags);
smsc95xx_init_mac_address(dev);