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 strscpy(info->driver, "libertas", sizeof(info->driver)); 24 strscpy(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 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 61 static 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 81 static 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 } 102 103 const 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 }; 115 116