bnxt_en: Add ethtool set_wol method.

And add functions to set and free magic packet filter.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -5842,6 +5842,38 @@ static int bnxt_hwrm_port_led_qcaps(struct bnxt *bp)
 	return 0;
 }
 
+int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp)
+{
+	struct hwrm_wol_filter_alloc_input req = {0};
+	struct hwrm_wol_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_ALLOC, -1, -1);
+	req.port_id = cpu_to_le16(bp->pf.port_id);
+	req.wol_type = WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT;
+	req.enables = cpu_to_le32(WOL_FILTER_ALLOC_REQ_ENABLES_MAC_ADDRESS);
+	memcpy(req.mac_address, bp->dev->dev_addr, ETH_ALEN);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		bp->wol_filter_id = resp->wol_filter_id;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+int bnxt_hwrm_free_wol_fltr(struct bnxt *bp)
+{
+	struct hwrm_wol_filter_free_input req = {0};
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_FREE, -1, -1);
+	req.port_id = cpu_to_le16(bp->pf.port_id);
+	req.enables = cpu_to_le32(WOL_FILTER_FREE_REQ_ENABLES_WOL_FILTER_ID);
+	req.wol_filter_id = bp->wol_filter_id;
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	return rc;
+}
+
 static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle)
 {
 	struct hwrm_wol_filter_qcfg_input req = {0};

drivers/net/ethernet/broadcom/bnxt/bnxt.h

@@ -1242,6 +1242,8 @@ void bnxt_tx_disable(struct bnxt *bp);
 void bnxt_tx_enable(struct bnxt *bp);
 int bnxt_hwrm_set_pause(struct bnxt *);
 int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
+int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp);
+int bnxt_hwrm_free_wol_fltr(struct bnxt *bp);
 int bnxt_hwrm_fw_set_time(struct bnxt *);
 int bnxt_open_nic(struct bnxt *, bool, bool);
 int bnxt_close_nic(struct bnxt *, bool, bool);

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

@@ -847,6 +847,31 @@ static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	}
 }
 
+static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (wol->wolopts & ~WAKE_MAGIC)
+		return -EINVAL;
+
+	if (wol->wolopts & WAKE_MAGIC) {
+		if (!(bp->flags & BNXT_FLAG_WOL_CAP))
+			return -EINVAL;
+		if (!bp->wol) {
+			if (bnxt_hwrm_alloc_wol_fltr(bp))
+				return -EBUSY;
+			bp->wol = 1;
+		}
+	} else {
+		if (bp->wol) {
+			if (bnxt_hwrm_free_wol_fltr(bp))
+				return -EBUSY;
+			bp->wol = 0;
+		}
+	}
+	return 0;
+}
+
 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
 {
 	u32 speed_mask = 0;
@@ -2150,6 +2175,7 @@ const struct ethtool_ops bnxt_ethtool_ops = {
 	.set_pauseparam		= bnxt_set_pauseparam,
 	.get_drvinfo		= bnxt_get_drvinfo,
 	.get_wol		= bnxt_get_wol,
+	.set_wol		= bnxt_set_wol,
 	.get_coalesce		= bnxt_get_coalesce,
 	.set_coalesce		= bnxt_set_coalesce,
 	.get_msglevel		= bnxt_get_msglevel,