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 12 static 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 33 static int lbs_ethtool_get_eeprom_len(struct net_device *dev) 34 { 35 return LBS_EEPROM_LEN; 36 } 37 38 static 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 ret = -EINVAL; 48 goto out; 49 } 50 51 cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) - 52 LBS_EEPROM_READ_LEN + eeprom->len); 53 cmd.action = cpu_to_le16(CMD_ACT_GET); 54 cmd.offset = cpu_to_le16(eeprom->offset); 55 cmd.len = cpu_to_le16(eeprom->len); 56 ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd); 57 if (!ret) 58 memcpy(bytes, cmd.value, eeprom->len); 59 60 out: 61 return ret; 62 } 63 64 static void lbs_ethtool_get_wol(struct net_device *dev, 65 struct ethtool_wolinfo *wol) 66 { 67 struct lbs_private *priv = dev->ml_priv; 68 69 wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY; 70 71 if (priv->wol_criteria == EHS_REMOVE_WAKEUP) 72 return; 73 74 if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA) 75 wol->wolopts |= WAKE_UCAST; 76 if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA) 77 wol->wolopts |= WAKE_MCAST; 78 if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA) 79 wol->wolopts |= WAKE_BCAST; 80 if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT) 81 wol->wolopts |= WAKE_PHY; 82 } 83 84 static int lbs_ethtool_set_wol(struct net_device *dev, 85 struct ethtool_wolinfo *wol) 86 { 87 struct lbs_private *priv = dev->ml_priv; 88 89 if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY)) 90 return -EOPNOTSUPP; 91 92 priv->wol_criteria = 0; 93 if (wol->wolopts & WAKE_UCAST) 94 priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA; 95 if (wol->wolopts & WAKE_MCAST) 96 priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA; 97 if (wol->wolopts & WAKE_BCAST) 98 priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA; 99 if (wol->wolopts & WAKE_PHY) 100 priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT; 101 if (wol->wolopts == 0) 102 priv->wol_criteria |= EHS_REMOVE_WAKEUP; 103 return 0; 104 } 105 106 const struct ethtool_ops lbs_ethtool_ops = { 107 .get_drvinfo = lbs_ethtool_get_drvinfo, 108 .get_eeprom = lbs_ethtool_get_eeprom, 109 .get_eeprom_len = lbs_ethtool_get_eeprom_len, 110 #ifdef CONFIG_LIBERTAS_MESH 111 .get_sset_count = lbs_mesh_ethtool_get_sset_count, 112 .get_ethtool_stats = lbs_mesh_ethtool_get_stats, 113 .get_strings = lbs_mesh_ethtool_get_strings, 114 #endif 115 .get_wol = lbs_ethtool_get_wol, 116 .set_wol = lbs_ethtool_set_wol, 117 }; 118 119