diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/d3.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 89 |
1 files changed, 74 insertions, 15 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 808bc6f363d0..f4288232d06c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1728,9 +1728,12 @@ void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); } +#define ND_QUERY_BUF_LEN (sizeof(struct iwl_scan_offload_profile_match) * \ + IWL_SCAN_MAX_PROFILES) + struct iwl_mvm_nd_query_results { u32 matched_profiles; - struct iwl_scan_offload_profile_match matches[IWL_SCAN_MAX_PROFILES]; + u8 matches[ND_QUERY_BUF_LEN]; }; static int @@ -1743,6 +1746,7 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, .flags = CMD_WANT_SKB, }; int ret, len; + size_t query_len, matches_len; ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret) { @@ -1750,8 +1754,19 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, return ret; } + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + query_len = sizeof(struct iwl_scan_offload_profiles_query); + matches_len = sizeof(struct iwl_scan_offload_profile_match) * + IWL_SCAN_MAX_PROFILES; + } else { + query_len = sizeof(struct iwl_scan_offload_profiles_query_v1); + matches_len = sizeof(struct iwl_scan_offload_profile_match_v1) * + IWL_SCAN_MAX_PROFILES; + } + len = iwl_rx_packet_payload_len(cmd.resp_pkt); - if (len < sizeof(*query)) { + if (len < query_len) { IWL_ERR(mvm, "Invalid scan offload profiles query response!\n"); ret = -EIO; goto out_free_resp; @@ -1760,7 +1775,7 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, query = (void *)cmd.resp_pkt->data; results->matched_profiles = le32_to_cpu(query->matched_profiles); - memcpy(results->matches, query->matches, sizeof(results->matches)); + memcpy(results->matches, query->matches, matches_len); #ifdef CONFIG_IWLWIFI_DEBUGFS mvm->last_netdetect_scans = le32_to_cpu(query->n_scans_done); @@ -1771,6 +1786,57 @@ out_free_resp: return ret; } +static int iwl_mvm_query_num_match_chans(struct iwl_mvm *mvm, + struct iwl_mvm_nd_query_results *query, + int idx) +{ + int n_chans = 0, i; + + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + struct iwl_scan_offload_profile_match *matches = + (struct iwl_scan_offload_profile_match *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN; i++) + n_chans += hweight8(matches[idx].matching_channels[i]); + } else { + struct iwl_scan_offload_profile_match_v1 *matches = + (struct iwl_scan_offload_profile_match_v1 *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1; i++) + n_chans += hweight8(matches[idx].matching_channels[i]); + } + + return n_chans; +} + +static void iwl_mvm_query_set_freqs(struct iwl_mvm *mvm, + struct iwl_mvm_nd_query_results *query, + struct cfg80211_wowlan_nd_match *match, + int idx) +{ + int i; + + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + struct iwl_scan_offload_profile_match *matches = + (struct iwl_scan_offload_profile_match *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; i++) + if (matches[idx].matching_channels[i / 8] & (BIT(i % 8))) + match->channels[match->n_channels++] = + mvm->nd_channels[i]->center_freq; + } else { + struct iwl_scan_offload_profile_match_v1 *matches = + (struct iwl_scan_offload_profile_match_v1 *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1 * 8; i++) + if (matches[idx].matching_channels[i / 8] & (BIT(i % 8))) + match->channels[match->n_channels++] = + mvm->nd_channels[i]->center_freq; + } +} + static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -1783,7 +1849,7 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, struct iwl_wowlan_status *fw_status; unsigned long matched_profiles; u32 reasons = 0; - int i, j, n_matches, ret; + int i, n_matches, ret; fw_status = iwl_mvm_get_wakeup_status(mvm); if (!IS_ERR_OR_NULL(fw_status)) { @@ -1817,14 +1883,10 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, goto out_report_nd; for_each_set_bit(i, &matched_profiles, mvm->n_nd_match_sets) { - struct iwl_scan_offload_profile_match *fw_match; struct cfg80211_wowlan_nd_match *match; int idx, n_channels = 0; - fw_match = &query.matches[i]; - - for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN; j++) - n_channels += hweight8(fw_match->matching_channels[j]); + n_channels = iwl_mvm_query_num_match_chans(mvm, &query, i); match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL); @@ -1844,10 +1906,7 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, if (mvm->n_nd_channels < n_channels) continue; - for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; j++) - if (fw_match->matching_channels[j / 8] & (BIT(j % 8))) - match->channels[match->n_channels++] = - mvm->nd_channels[j]->center_freq; + iwl_mvm_query_set_freqs(mvm, &query, match, i); } out_report_nd: |