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authorLinus Walleij <linus.walleij@linaro.org>2015-01-20 11:03:07 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-01-20 11:03:07 +0100
commitee65ef609aa81539ac3792df88f04bfe29a77546 (patch)
tree6816eaa3d45fa1078408f2ccfa5f88d32733d1d9 /drivers/net/usb/r8152.c
parent7a839e9a277d4a410a9b015d561ff09739bc0ff6 (diff)
parentec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff)
downloadlinux-ee65ef609aa81539ac3792df88f04bfe29a77546.tar.bz2
Merge tag 'v3.19-rc5' into devel
Linux 3.19-rc5
Diffstat (limited to 'drivers/net/usb/r8152.c')
-rw-r--r--drivers/net/usb/r8152.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2d1c77e81836..57ec23e8ccfa 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1897,6 +1897,22 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev)
netif_wake_queue(netdev);
}
+static netdev_features_t
+rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
+ netdev_features_t features)
+{
+ u32 mss = skb_shinfo(skb)->gso_size;
+ int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
+ int offset = skb_transport_offset(skb);
+
+ if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
+ features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
+ else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
+ features &= ~NETIF_F_GSO_MASK;
+
+ return features;
+}
+
static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
@@ -3706,6 +3722,7 @@ static const struct net_device_ops rtl8152_netdev_ops = {
.ndo_set_mac_address = rtl8152_set_mac_address,
.ndo_change_mtu = rtl8152_change_mtu,
.ndo_validate_addr = eth_validate_addr,
+ .ndo_features_check = rtl8152_features_check,
};
static void r8152b_get_version(struct r8152 *tp)