cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ethtool.c (3292B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/hardirq.h>
      3#include <linux/netdevice.h>
      4#include <linux/ethtool.h>
      5#include <linux/delay.h>
      6
      7#include "decl.h"
      8#include "cmd.h"
      9#include "mesh.h"
     10
     11
     12static void lbs_ethtool_get_drvinfo(struct net_device *dev,
     13					 struct ethtool_drvinfo *info)
     14{
     15	struct lbs_private *priv = dev->ml_priv;
     16
     17	snprintf(info->fw_version, sizeof(info->fw_version),
     18		"%u.%u.%u.p%u",
     19		priv->fwrelease >> 24 & 0xff,
     20		priv->fwrelease >> 16 & 0xff,
     21		priv->fwrelease >>  8 & 0xff,
     22		priv->fwrelease       & 0xff);
     23	strlcpy(info->driver, "libertas", sizeof(info->driver));
     24	strlcpy(info->version, lbs_driver_version, sizeof(info->version));
     25}
     26
     27/*
     28 * All 8388 parts have 16KiB EEPROM size at the time of writing.
     29 * In case that changes this needs fixing.
     30 */
     31#define LBS_EEPROM_LEN 16384
     32
     33static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
     34{
     35	return LBS_EEPROM_LEN;
     36}
     37
     38static int lbs_ethtool_get_eeprom(struct net_device *dev,
     39                                  struct ethtool_eeprom *eeprom, u8 * bytes)
     40{
     41	struct lbs_private *priv = dev->ml_priv;
     42	struct cmd_ds_802_11_eeprom_access cmd;
     43	int ret;
     44
     45	if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
     46	    eeprom->len > LBS_EEPROM_READ_LEN)
     47		return -EINVAL;
     48
     49	cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
     50		LBS_EEPROM_READ_LEN + eeprom->len);
     51	cmd.action = cpu_to_le16(CMD_ACT_GET);
     52	cmd.offset = cpu_to_le16(eeprom->offset);
     53	cmd.len    = cpu_to_le16(eeprom->len);
     54	ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
     55	if (!ret)
     56		memcpy(bytes, cmd.value, eeprom->len);
     57
     58	return ret;
     59}
     60
     61static void lbs_ethtool_get_wol(struct net_device *dev,
     62				struct ethtool_wolinfo *wol)
     63{
     64	struct lbs_private *priv = dev->ml_priv;
     65
     66	wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
     67
     68	if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
     69		return;
     70
     71	if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
     72		wol->wolopts |= WAKE_UCAST;
     73	if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
     74		wol->wolopts |= WAKE_MCAST;
     75	if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
     76		wol->wolopts |= WAKE_BCAST;
     77	if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
     78		wol->wolopts |= WAKE_PHY;
     79}
     80
     81static int lbs_ethtool_set_wol(struct net_device *dev,
     82			       struct ethtool_wolinfo *wol)
     83{
     84	struct lbs_private *priv = dev->ml_priv;
     85
     86	if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
     87		return -EOPNOTSUPP;
     88
     89	priv->wol_criteria = 0;
     90	if (wol->wolopts & WAKE_UCAST)
     91		priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA;
     92	if (wol->wolopts & WAKE_MCAST)
     93		priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA;
     94	if (wol->wolopts & WAKE_BCAST)
     95		priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA;
     96	if (wol->wolopts & WAKE_PHY)
     97		priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT;
     98	if (wol->wolopts == 0)
     99		priv->wol_criteria |= EHS_REMOVE_WAKEUP;
    100	return 0;
    101}
    102
    103const struct ethtool_ops lbs_ethtool_ops = {
    104	.get_drvinfo = lbs_ethtool_get_drvinfo,
    105	.get_eeprom =  lbs_ethtool_get_eeprom,
    106	.get_eeprom_len = lbs_ethtool_get_eeprom_len,
    107#ifdef CONFIG_LIBERTAS_MESH
    108	.get_sset_count = lbs_mesh_ethtool_get_sset_count,
    109	.get_ethtool_stats = lbs_mesh_ethtool_get_stats,
    110	.get_strings = lbs_mesh_ethtool_get_strings,
    111#endif
    112	.get_wol = lbs_ethtool_get_wol,
    113	.set_wol = lbs_ethtool_set_wol,
    114};
    115