diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/vendor-cmd.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/vendor-cmd.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/vendor-cmd.c b/drivers/net/wireless/intel/iwlwifi/mvm/vendor-cmd.c new file mode 100644 index 000000000000..78450366312b --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/mvm/vendor-cmd.c @@ -0,0 +1,152 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2021 Intel Corporation + */ +#include "mvm.h" +#include <linux/nl80211-vnd-intel.h> +#include <net/netlink.h> + +static const struct nla_policy +iwl_mvm_vendor_attr_policy[NUM_IWL_MVM_VENDOR_ATTR] = { + [IWL_MVM_VENDOR_ATTR_ROAMING_FORBIDDEN] = { .type = NLA_U8 }, + [IWL_MVM_VENDOR_ATTR_AUTH_MODE] = { .type = NLA_U32 }, + [IWL_MVM_VENDOR_ATTR_CHANNEL_NUM] = { .type = NLA_U8 }, + [IWL_MVM_VENDOR_ATTR_SSID] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_SSID_LEN }, + [IWL_MVM_VENDOR_ATTR_BAND] = { .type = NLA_U8 }, + [IWL_MVM_VENDOR_ATTR_COLLOC_CHANNEL] = { .type = NLA_U8 }, + [IWL_MVM_VENDOR_ATTR_COLLOC_ADDR] = { .type = NLA_BINARY, .len = ETH_ALEN }, +}; + +static int iwl_mvm_vendor_get_csme_conn_info(struct wiphy *wiphy, + struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_csme_conn_info *csme_conn_info; + struct sk_buff *skb; + int err = 0; + + mutex_lock(&mvm->mutex); + csme_conn_info = iwl_mvm_get_csme_conn_info(mvm); + + if (!csme_conn_info) { + err = -EINVAL; + goto out_unlock; + } + + skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, 200); + if (!skb) { + err = -ENOMEM; + goto out_unlock; + } + + if (nla_put_u32(skb, IWL_MVM_VENDOR_ATTR_AUTH_MODE, + csme_conn_info->conn_info.auth_mode) || + nla_put(skb, IWL_MVM_VENDOR_ATTR_SSID, + csme_conn_info->conn_info.ssid_len, + csme_conn_info->conn_info.ssid) || + nla_put_u32(skb, IWL_MVM_VENDOR_ATTR_STA_CIPHER, + csme_conn_info->conn_info.pairwise_cipher) || + nla_put_u8(skb, IWL_MVM_VENDOR_ATTR_CHANNEL_NUM, + csme_conn_info->conn_info.channel) || + nla_put(skb, IWL_MVM_VENDOR_ATTR_ADDR, ETH_ALEN, + csme_conn_info->conn_info.bssid)) { + kfree_skb(skb); + err = -ENOBUFS; + } + +out_unlock: + mutex_unlock(&mvm->mutex); + if (err) + return err; + + return cfg80211_vendor_cmd_reply(skb); +} + +static int iwl_mvm_vendor_host_get_ownership(struct wiphy *wiphy, + struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + mutex_lock(&mvm->mutex); + iwl_mvm_mei_get_ownership(mvm); + mutex_unlock(&mvm->mutex); + + return 0; +} + +static const struct wiphy_vendor_command iwl_mvm_vendor_commands[] = { + { + .info = { + .vendor_id = INTEL_OUI, + .subcmd = IWL_MVM_VENDOR_CMD_GET_CSME_CONN_INFO, + }, + .doit = iwl_mvm_vendor_get_csme_conn_info, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV, + .policy = iwl_mvm_vendor_attr_policy, + .maxattr = MAX_IWL_MVM_VENDOR_ATTR, + }, + { + .info = { + .vendor_id = INTEL_OUI, + .subcmd = IWL_MVM_VENDOR_CMD_HOST_GET_OWNERSHIP, + }, + .doit = iwl_mvm_vendor_host_get_ownership, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV, + .policy = iwl_mvm_vendor_attr_policy, + .maxattr = MAX_IWL_MVM_VENDOR_ATTR, + }, +}; + +enum iwl_mvm_vendor_events_idx { + /* 0x0 - 0x3 are deprecated */ + IWL_MVM_VENDOR_EVENT_IDX_ROAMING_FORBIDDEN = 4, + NUM_IWL_MVM_VENDOR_EVENT_IDX +}; + +static const struct nl80211_vendor_cmd_info +iwl_mvm_vendor_events[NUM_IWL_MVM_VENDOR_EVENT_IDX] = { + [IWL_MVM_VENDOR_EVENT_IDX_ROAMING_FORBIDDEN] = { + .vendor_id = INTEL_OUI, + .subcmd = IWL_MVM_VENDOR_CMD_ROAMING_FORBIDDEN_EVENT, + }, +}; + +void iwl_mvm_vendor_cmds_register(struct iwl_mvm *mvm) +{ + mvm->hw->wiphy->vendor_commands = iwl_mvm_vendor_commands; + mvm->hw->wiphy->n_vendor_commands = ARRAY_SIZE(iwl_mvm_vendor_commands); + mvm->hw->wiphy->vendor_events = iwl_mvm_vendor_events; + mvm->hw->wiphy->n_vendor_events = ARRAY_SIZE(iwl_mvm_vendor_events); +} + +void iwl_mvm_send_roaming_forbidden_event(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + bool forbidden) +{ + struct sk_buff *msg = + cfg80211_vendor_event_alloc(mvm->hw->wiphy, + ieee80211_vif_to_wdev(vif), + 200, IWL_MVM_VENDOR_EVENT_IDX_ROAMING_FORBIDDEN, + GFP_ATOMIC); + if (!msg) + return; + + if (WARN_ON(!vif)) + return; + + if (nla_put(msg, IWL_MVM_VENDOR_ATTR_VIF_ADDR, + ETH_ALEN, vif->addr) || + nla_put_u8(msg, IWL_MVM_VENDOR_ATTR_ROAMING_FORBIDDEN, forbidden)) + goto nla_put_failure; + + cfg80211_vendor_event(msg, GFP_ATOMIC); + return; + + nla_put_failure: + kfree_skb(msg); +} |