net: spider_net: convert to hw_features

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/spider_net.c

@@ -994,15 +994,13 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
 	skb->protocol = eth_type_trans(skb, netdev);
 
 	/* checksum offload */
-	if (card->options.rx_csum) {
+	skb_checksum_none_assert(skb);
+	if (netdev->features & NETIF_F_RXCSUM) {
 		if ( ( (data_status & SPIDER_NET_DATA_STATUS_CKSUM_MASK) ==
 		       SPIDER_NET_DATA_STATUS_CKSUM_MASK) &&
 		     !(data_error & SPIDER_NET_DATA_ERR_CKSUM_MASK))
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
-		else
-			skb_checksum_none_assert(skb);
-	} else
-		skb_checksum_none_assert(skb);
+	}
 
 	if (data_status & SPIDER_NET_VLAN_PACKET) {
 		/* further enhancements: HW-accel VLAN
@@ -2322,14 +2320,15 @@ spider_net_setup_netdev(struct spider_net_card *card)
 	card->aneg_timer.function = spider_net_link_phy;
 	card->aneg_timer.data = (unsigned long) card;
 
-	card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT;
-
 	netif_napi_add(netdev, &card->napi,
 		       spider_net_poll, SPIDER_NET_NAPI_WEIGHT);
 
 	spider_net_setup_netdev_ops(netdev);
 
-	netdev->features = NETIF_F_IP_CSUM | NETIF_F_LLTX;
+	netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
+	if (SPIDER_NET_RX_CSUM_DEFAULT)
+		netdev->features |= NETIF_F_RXCSUM;
+	netdev->features |= NETIF_F_IP_CSUM | NETIF_F_LLTX;
 	/* some time: NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX |
 	 *		NETIF_F_HW_VLAN_FILTER */
 

drivers/net/spider_net.h

@@ -429,12 +429,6 @@ struct spider_net_descr_chain {
  * 701b8000 would be correct, but every packets gets that flag */
 #define SPIDER_NET_DESTROY_RX_FLAGS	0x700b8000
 
-/* this will be bigger some time */
-struct spider_net_options {
-	int rx_csum; /* for rx: if 0 ip_summed=NONE,
-			if 1 and hw has verified, ip_summed=UNNECESSARY */
-};
-
 #define SPIDER_NET_DEFAULT_MSG		( NETIF_MSG_DRV | \
 					  NETIF_MSG_PROBE | \
 					  NETIF_MSG_LINK | \
@@ -487,7 +481,6 @@ struct spider_net_card {
 	/* for ethtool */
 	int msg_enable;
 	struct spider_net_extra_stats spider_stats;
-	struct spider_net_options options;
 
 	/* Must be last item in struct */
 	struct spider_net_descr darray[0];

drivers/net/spider_net_ethtool.c

@@ -115,24 +115,6 @@ spider_net_ethtool_nway_reset(struct net_device *netdev)
 	return 0;
 }
 
-static u32
-spider_net_ethtool_get_rx_csum(struct net_device *netdev)
-{
-	struct spider_net_card *card = netdev_priv(netdev);
-
-	return card->options.rx_csum;
-}
-
-static int
-spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
-{
-	struct spider_net_card *card = netdev_priv(netdev);
-
-	card->options.rx_csum = n;
-	return 0;
-}
-
-
 static void
 spider_net_ethtool_get_ringparam(struct net_device *netdev,
 				 struct ethtool_ringparam *ering)
@@ -189,9 +171,6 @@ const struct ethtool_ops spider_net_ethtool_ops = {
 	.set_msglevel		= spider_net_ethtool_set_msglevel,
 	.get_link		= ethtool_op_get_link,
 	.nway_reset		= spider_net_ethtool_nway_reset,
-	.get_rx_csum		= spider_net_ethtool_get_rx_csum,
-	.set_rx_csum		= spider_net_ethtool_set_rx_csum,
-	.set_tx_csum		= ethtool_op_set_tx_csum,
 	.get_ringparam          = spider_net_ethtool_get_ringparam,
 	.get_strings		= spider_net_get_strings,
 	.get_sset_count		= spider_net_get_sset_count,