qede: Add VF support

Adding a PCI callback for `sriov_configure' and a new PCI device id for
the VF [+ Some minor changes to accomodate differences between PF and VF
at the qede].
Following this, VF creation should be possible and the entire subset of
existing PF functionality that's allow to VFs should be supported.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 0d04f16..1bc7535 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -151,6 +151,8 @@
 	int i, j, k;
 
 	for (i = 0, j = 0; i < QEDE_NUM_STATS; i++) {
+		if (IS_VF(edev) && qede_stats_arr[i].pf_only)
+			continue;
 		strcpy(buf + j * ETH_GSTRING_LEN,
 		       qede_stats_arr[i].string);
 		j++;
@@ -194,8 +196,11 @@
 
 	mutex_lock(&edev->qede_lock);
 
-	for (sidx = 0; sidx < QEDE_NUM_STATS; sidx++)
+	for (sidx = 0; sidx < QEDE_NUM_STATS; sidx++) {
+		if (IS_VF(edev) && qede_stats_arr[sidx].pf_only)
+			continue;
 		buf[cnt++] = QEDE_STATS_DATA(edev, sidx);
+	}
 
 	for (sidx = 0; sidx < QEDE_NUM_RQSTATS; sidx++) {
 		buf[cnt] = 0;
@@ -214,6 +219,13 @@
 
 	switch (stringset) {
 	case ETH_SS_STATS:
+		if (IS_VF(edev)) {
+			int i;
+
+			for (i = 0; i < QEDE_NUM_STATS; i++)
+				if (qede_stats_arr[i].pf_only)
+					num_stats--;
+		}
 		return num_stats + QEDE_NUM_RQSTATS;
 	case ETH_SS_PRIV_FLAGS:
 		return QEDE_PRI_FLAG_LEN;
@@ -1142,7 +1154,34 @@
 	.self_test = qede_self_test,
 };
 
+static const struct ethtool_ops qede_vf_ethtool_ops = {
+	.get_settings = qede_get_settings,
+	.get_drvinfo = qede_get_drvinfo,
+	.get_msglevel = qede_get_msglevel,
+	.set_msglevel = qede_set_msglevel,
+	.get_link = qede_get_link,
+	.get_ringparam = qede_get_ringparam,
+	.set_ringparam = qede_set_ringparam,
+	.get_strings = qede_get_strings,
+	.get_ethtool_stats = qede_get_ethtool_stats,
+	.get_priv_flags = qede_get_priv_flags,
+	.get_sset_count = qede_get_sset_count,
+	.get_rxnfc = qede_get_rxnfc,
+	.set_rxnfc = qede_set_rxnfc,
+	.get_rxfh_indir_size = qede_get_rxfh_indir_size,
+	.get_rxfh_key_size = qede_get_rxfh_key_size,
+	.get_rxfh = qede_get_rxfh,
+	.set_rxfh = qede_set_rxfh,
+	.get_channels = qede_get_channels,
+	.set_channels = qede_set_channels,
+};
+
 void qede_set_ethtool_ops(struct net_device *dev)
 {
-	dev->ethtool_ops = &qede_ethtool_ops;
+	struct qede_dev *edev = netdev_priv(dev);
+
+	if (IS_VF(edev))
+		dev->ethtool_ops = &qede_vf_ethtool_ops;
+	else
+		dev->ethtool_ops = &qede_ethtool_ops;
 }