net: chelsio: convert to hw_features

Also remove flags that were not used or are now redundant to hw_features bits.
No device had UDP_CSUM_CAPABLE set.

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

drivers/net/chelsio/common.h

@@ -264,11 +264,6 @@ struct adapter {
 
 enum {                                           /* adapter flags */
 	FULL_INIT_DONE        = 1 << 0,
-	TSO_CAPABLE           = 1 << 2,
-	TCP_CSUM_CAPABLE      = 1 << 3,
-	UDP_CSUM_CAPABLE      = 1 << 4,
-	VLAN_ACCEL_CAPABLE    = 1 << 5,
-	RX_CSUM_ENABLED       = 1 << 6,
 };
 
 struct mdio_ops;

drivers/net/chelsio/cxgb2.c

@@ -192,10 +192,8 @@ static void link_start(struct port_info *p)
 
 static void enable_hw_csum(struct adapter *adapter)
 {
-	if (adapter->flags & TSO_CAPABLE)
+	if (adapter->port[0].dev->hw_features & NETIF_F_TSO)
 		t1_tp_set_ip_checksum_offload(adapter->tp, 1);	/* for TSO only */
-	if (adapter->flags & UDP_CSUM_CAPABLE)
-		t1_tp_set_udp_checksum_offload(adapter->tp, 1);
 	t1_tp_set_tcp_checksum_offload(adapter->tp, 1);
 }
 
@@ -705,33 +703,6 @@ static int set_pauseparam(struct net_device *dev,
 	return 0;
 }
 
-static u32 get_rx_csum(struct net_device *dev)
-{
-	struct adapter *adapter = dev->ml_priv;
-
-	return (adapter->flags & RX_CSUM_ENABLED) != 0;
-}
-
-static int set_rx_csum(struct net_device *dev, u32 data)
-{
-	struct adapter *adapter = dev->ml_priv;
-
-	if (data)
-		adapter->flags |= RX_CSUM_ENABLED;
-	else
-		adapter->flags &= ~RX_CSUM_ENABLED;
-	return 0;
-}
-
-static int set_tso(struct net_device *dev, u32 value)
-{
-	struct adapter *adapter = dev->ml_priv;
-
-	if (!(adapter->flags & TSO_CAPABLE))
-		return value ? -EOPNOTSUPP : 0;
-	return ethtool_op_set_tso(dev, value);
-}
-
 static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
 {
 	struct adapter *adapter = dev->ml_priv;
@@ -831,17 +802,12 @@ static const struct ethtool_ops t1_ethtool_ops = {
 	.get_eeprom        = get_eeprom,
 	.get_pauseparam    = get_pauseparam,
 	.set_pauseparam    = set_pauseparam,
-	.get_rx_csum       = get_rx_csum,
-	.set_rx_csum       = set_rx_csum,
-	.set_tx_csum       = ethtool_op_set_tx_csum,
-	.set_sg            = ethtool_op_set_sg,
 	.get_link          = ethtool_op_get_link,
 	.get_strings       = get_strings,
 	.get_sset_count	   = get_sset_count,
 	.get_ethtool_stats = get_stats,
 	.get_regs_len      = get_regs_len,
 	.get_regs          = get_regs,
-	.set_tso           = set_tso,
 };
 
 static int t1_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
@@ -1105,28 +1071,28 @@ static int __devinit init_one(struct pci_dev *pdev,
 		netdev->mem_start = mmio_start;
 		netdev->mem_end = mmio_start + mmio_len - 1;
 		netdev->ml_priv = adapter;
-		netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
-		netdev->features |= NETIF_F_LLTX;
+		netdev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM |
+			NETIF_F_RXCSUM;
+		netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM |
+			NETIF_F_RXCSUM | NETIF_F_LLTX;
 
-		adapter->flags |= RX_CSUM_ENABLED | TCP_CSUM_CAPABLE;
 		if (pci_using_dac)
 			netdev->features |= NETIF_F_HIGHDMA;
 		if (vlan_tso_capable(adapter)) {
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
-			adapter->flags |= VLAN_ACCEL_CAPABLE;
 			netdev->features |=
 				NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
 #endif
 
 			/* T204: disable TSO */
 			if (!(is_T2(adapter)) || bi->port_number != 4) {
-				adapter->flags |= TSO_CAPABLE;
+				netdev->hw_features |= NETIF_F_TSO;
 				netdev->features |= NETIF_F_TSO;
 			}
 		}
 
 		netdev->netdev_ops = &cxgb_netdev_ops;
-		netdev->hard_header_len += (adapter->flags & TSO_CAPABLE) ?
+		netdev->hard_header_len += (netdev->hw_features & NETIF_F_TSO) ?
 			sizeof(struct cpl_tx_pkt_lso) : sizeof(struct cpl_tx_pkt);
 
 		netif_napi_add(netdev, &adapter->napi, t1_poll, 64);

drivers/net/chelsio/sge.c

@@ -929,7 +929,7 @@ void t1_sge_intr_enable(struct sge *sge)
 	u32 en = SGE_INT_ENABLE;
 	u32 val = readl(sge->adapter->regs + A_PL_ENABLE);
 
-	if (sge->adapter->flags & TSO_CAPABLE)
+	if (sge->adapter->port[0].dev->hw_features & NETIF_F_TSO)
 		en &= ~F_PACKET_TOO_BIG;
 	writel(en, sge->adapter->regs + A_SG_INT_ENABLE);
 	writel(val | SGE_PL_INTR_MASK, sge->adapter->regs + A_PL_ENABLE);
@@ -952,7 +952,7 @@ int t1_sge_intr_error_handler(struct sge *sge)
 	struct adapter *adapter = sge->adapter;
 	u32 cause = readl(adapter->regs + A_SG_INT_CAUSE);
 
-	if (adapter->flags & TSO_CAPABLE)
+	if (adapter->port[0].dev->hw_features & NETIF_F_TSO)
 		cause &= ~F_PACKET_TOO_BIG;
 	if (cause & F_RESPQ_EXHAUSTED)
 		sge->stats.respQ_empty++;
@@ -1369,6 +1369,7 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len)
 	const struct cpl_rx_pkt *p;
 	struct adapter *adapter = sge->adapter;
 	struct sge_port_stats *st;
+	struct net_device *dev;
 
 	skb = get_packet(adapter->pdev, fl, len - sge->rx_pkt_pad);
 	if (unlikely(!skb)) {
@@ -1384,9 +1385,10 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len)
 	__skb_pull(skb, sizeof(*p));
 
 	st = this_cpu_ptr(sge->port_stats[p->iff]);
+	dev = adapter->port[p->iff].dev;
 
-	skb->protocol = eth_type_trans(skb, adapter->port[p->iff].dev);
-	if ((adapter->flags & RX_CSUM_ENABLED) && p->csum == 0xffff &&
+	skb->protocol = eth_type_trans(skb, dev);
+	if ((dev->features & NETIF_F_RXCSUM) && p->csum == 0xffff &&
 	    skb->protocol == htons(ETH_P_IP) &&
 	    (skb->data[9] == IPPROTO_TCP || skb->data[9] == IPPROTO_UDP)) {
 		++st->rx_cso_good;
@@ -1838,8 +1840,7 @@ netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			return NETDEV_TX_OK;
 		}
 
-		if (!(adapter->flags & UDP_CSUM_CAPABLE) &&
-		    skb->ip_summed == CHECKSUM_PARTIAL &&
+		if (skb->ip_summed == CHECKSUM_PARTIAL &&
 		    ip_hdr(skb)->protocol == IPPROTO_UDP) {
 			if (unlikely(skb_checksum_help(skb))) {
 				pr_debug("%s: unable to do udp checksum\n", dev->name);

drivers/net/chelsio/tp.c

@@ -152,11 +152,6 @@ void t1_tp_set_ip_checksum_offload(struct petp *tp, int enable)
 	set_csum_offload(tp, F_IP_CSUM, enable);
 }
 
-void t1_tp_set_udp_checksum_offload(struct petp *tp, int enable)
-{
-	set_csum_offload(tp, F_UDP_CSUM, enable);
-}
-
 void t1_tp_set_tcp_checksum_offload(struct petp *tp, int enable)
 {
 	set_csum_offload(tp, F_TCP_CSUM, enable);

drivers/net/chelsio/tp.h

@@ -65,7 +65,6 @@ void t1_tp_intr_clear(struct petp *tp);
 int t1_tp_intr_handler(struct petp *tp);
 
 void t1_tp_get_mib_statistics(adapter_t *adap, struct tp_mib_statistics *tps);
-void t1_tp_set_udp_checksum_offload(struct petp *tp, int enable);
 void t1_tp_set_tcp_checksum_offload(struct petp *tp, int enable);
 void t1_tp_set_ip_checksum_offload(struct petp *tp, int enable);
 int t1_tp_set_coalescing_size(struct petp *tp, unsigned int size);