1#include <linux/hardirq.h>
  2#include <linux/netdevice.h>
  3#include <linux/ethtool.h>
  4#include <linux/delay.h>
  5
  6#include "decl.h"
  7#include "cmd.h"
  8#include "mesh.h"
  9
 10
 11static void lbs_ethtool_get_drvinfo(struct net_device *dev,
 12					 struct ethtool_drvinfo *info)
 13{
 14	struct lbs_private *priv = dev->ml_priv;
 15
 16	snprintf(info->fw_version, sizeof(info->fw_version),
 17		"%u.%u.%u.p%u",
 18		priv->fwrelease >> 24 & 0xff,
 19		priv->fwrelease >> 16 & 0xff,
 20		priv->fwrelease >>  8 & 0xff,
 21		priv->fwrelease       & 0xff);
 22	strlcpy(info->driver, "libertas", sizeof(info->driver));
 23	strlcpy(info->version, lbs_driver_version, sizeof(info->version));
 24}
 25
 26/*
 27 * All 8388 parts have 16KiB EEPROM size at the time of writing.
 28 * In case that changes this needs fixing.
 29 */
 30#define LBS_EEPROM_LEN 16384
 31
 32static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
 33{
 34	return LBS_EEPROM_LEN;
 35}
 36
 37static int lbs_ethtool_get_eeprom(struct net_device *dev,
 38                                  struct ethtool_eeprom *eeprom, u8 * bytes)
 39{
 40	struct lbs_private *priv = dev->ml_priv;
 41	struct cmd_ds_802_11_eeprom_access cmd;
 42	int ret;
 43
 44	lbs_deb_enter(LBS_DEB_ETHTOOL);
 45
 46	if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
 47	    eeprom->len > LBS_EEPROM_READ_LEN) {
 48		ret = -EINVAL;
 49		goto out;
 50	}
 51
 52	cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
 53		LBS_EEPROM_READ_LEN + eeprom->len);
 54	cmd.action = cpu_to_le16(CMD_ACT_GET);
 55	cmd.offset = cpu_to_le16(eeprom->offset);
 56	cmd.len    = cpu_to_le16(eeprom->len);
 57	ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
 58	if (!ret)
 59		memcpy(bytes, cmd.value, eeprom->len);
 60
 61out:
 62	lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
 63        return ret;
 64}
 65
 66static void lbs_ethtool_get_wol(struct net_device *dev,
 67				struct ethtool_wolinfo *wol)
 68{
 69	struct lbs_private *priv = dev->ml_priv;
 70
 71	wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
 72
 73	if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
 74		return;
 75
 76	if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
 77		wol->wolopts |= WAKE_UCAST;
 78	if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
 79		wol->wolopts |= WAKE_MCAST;
 80	if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
 81		wol->wolopts |= WAKE_BCAST;
 82	if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
 83		wol->wolopts |= WAKE_PHY;
 84}
 85
 86static int lbs_ethtool_set_wol(struct net_device *dev,
 87			       struct ethtool_wolinfo *wol)
 88{
 89	struct lbs_private *priv = dev->ml_priv;
 90
 91	if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
 92		return -EOPNOTSUPP;
 93
 94	priv->wol_criteria = 0;
 95	if (wol->wolopts & WAKE_UCAST)
 96		priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA;
 97	if (wol->wolopts & WAKE_MCAST)
 98		priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA;
 99	if (wol->wolopts & WAKE_BCAST)
100		priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA;
101	if (wol->wolopts & WAKE_PHY)
102		priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT;
103	if (wol->wolopts == 0)
104		priv->wol_criteria |= EHS_REMOVE_WAKEUP;
105	return 0;
106}
107
108const struct ethtool_ops lbs_ethtool_ops = {
109	.get_drvinfo = lbs_ethtool_get_drvinfo,
110	.get_eeprom =  lbs_ethtool_get_eeprom,
111	.get_eeprom_len = lbs_ethtool_get_eeprom_len,
112#ifdef CONFIG_LIBERTAS_MESH
113	.get_sset_count = lbs_mesh_ethtool_get_sset_count,
114	.get_ethtool_stats = lbs_mesh_ethtool_get_stats,
115	.get_strings = lbs_mesh_ethtool_get_strings,
116#endif
117	.get_wol = lbs_ethtool_get_wol,
118	.set_wol = lbs_ethtool_set_wol,
119};
120