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-rw-r--r--drivers/net/ethernet/3com/typhoon.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c
index 8aec5d9fbfef..08f6c42a1e38 100644
--- a/drivers/net/ethernet/3com/typhoon.c
+++ b/drivers/net/ethernet/3com/typhoon.c
@@ -138,11 +138,6 @@ MODULE_PARM_DESC(use_mmio, "Use MMIO (1) or PIO(0) to access the NIC. "
module_param(rx_copybreak, int, 0);
module_param(use_mmio, int, 0);
-#if defined(NETIF_F_TSO) && MAX_SKB_FRAGS > 32
-#warning Typhoon only supports 32 entries in its SG list for TSO, disabling TSO
-#undef NETIF_F_TSO
-#endif
-
#if TXLO_ENTRIES <= (2 * MAX_SKB_FRAGS)
#error TX ring too small!
#endif
@@ -2261,9 +2256,25 @@ out:
return mode;
}
+#if MAX_SKB_FRAGS > 32
+static netdev_features_t typhoon_features_check(struct sk_buff *skb,
+ struct net_device *dev,
+ netdev_features_t features)
+{
+ if (skb_shinfo(skb)->nr_frags > 32 && skb_is_gso(skb))
+ features &= ~NETIF_F_GSO_MASK;
+
+ features = vlan_features_check(skb, features);
+ return vxlan_features_check(skb, features);
+}
+#endif
+
static const struct net_device_ops typhoon_netdev_ops = {
.ndo_open = typhoon_open,
.ndo_stop = typhoon_close,
+#if MAX_SKB_FRAGS > 32
+ .ndo_features_check = typhoon_features_check,
+#endif
.ndo_start_xmit = typhoon_start_tx,
.ndo_set_rx_mode = typhoon_set_rx_mode,
.ndo_tx_timeout = typhoon_tx_timeout,