X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=net%2Fmac80211%2Futil.c;h=ea7d277a8c4531f6493d958c63d2f50193fbe85a;hb=ddb535a6a04edf4b9053956ab3adc4f4eb7f945c;hp=32a7a53833c01d1ea760646440f54009ae9c4544;hpb=30f55eae47e4ad1b64d692865e6a4277447a33df;p=platform%2Fkernel%2Flinux-rpi.git diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 32a7a53..ea7d277 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -6,7 +6,7 @@ * Copyright 2007 Johannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2019 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation * * utilities for mac80211 */ @@ -39,7 +39,6 @@ const void *const mac80211_wiphy_privid = &mac80211_wiphy_privid; struct ieee80211_hw *wiphy_to_ieee80211_hw(struct wiphy *wiphy) { struct ieee80211_local *local; - BUG_ON(!wiphy); local = wiphy_priv(wiphy); return &local->hw; @@ -891,6 +890,51 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_queue_delayed_work); +static void ieee80211_parse_extension_element(u32 *crc, + const struct element *elem, + struct ieee802_11_elems *elems) +{ + const void *data = elem->data + 1; + u8 len = elem->datalen - 1; + + switch (elem->data[0]) { + case WLAN_EID_EXT_HE_MU_EDCA: + if (len == sizeof(*elems->mu_edca_param_set)) { + elems->mu_edca_param_set = data; + if (crc) + *crc = crc32_be(*crc, (void *)elem, + elem->datalen + 2); + } + break; + case WLAN_EID_EXT_HE_CAPABILITY: + elems->he_cap = data; + elems->he_cap_len = len; + break; + case WLAN_EID_EXT_HE_OPERATION: + if (len >= sizeof(*elems->he_operation) && + len == ieee80211_he_oper_size(data) - 1) + elems->he_operation = data; + break; + case WLAN_EID_EXT_UORA: + if (len == 1) + elems->uora_element = data; + break; + case WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME: + if (len == 3) + elems->max_channel_switch_time = data; + break; + case WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION: + if (len == sizeof(*elems->mbssid_config_ie)) + elems->mbssid_config_ie = data; + break; + case WLAN_EID_EXT_HE_SPR: + if (len >= sizeof(*elems->he_spr) && + len >= ieee80211_he_spr_size(data)) + elems->he_spr = data; + break; + } +} + static u32 _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, @@ -950,6 +994,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, case WLAN_EID_CHAN_SWITCH_TIMING: case WLAN_EID_LINK_ID: case WLAN_EID_BSS_MAX_IDLE_PERIOD: + case WLAN_EID_RSNX: /* * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible * that if the content gets bigger it might be needed more than once @@ -1063,16 +1108,22 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, elem_parse_failed = true; break; case WLAN_EID_VHT_OPERATION: - if (elen >= sizeof(struct ieee80211_vht_operation)) + if (elen >= sizeof(struct ieee80211_vht_operation)) { elems->vht_operation = (void *)pos; - else - elem_parse_failed = true; + if (calc_crc) + crc = crc32_be(crc, pos - 2, elen + 2); + break; + } + elem_parse_failed = true; break; case WLAN_EID_OPMODE_NOTIF: - if (elen > 0) + if (elen > 0) { elems->opmode_notif = pos; - else - elem_parse_failed = true; + if (calc_crc) + crc = crc32_be(crc, pos - 2, elen + 2); + break; + } + elem_parse_failed = true; break; case WLAN_EID_MESH_ID: elems->mesh_id = pos; @@ -1220,34 +1271,14 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, if (elen >= sizeof(*elems->max_idle_period_ie)) elems->max_idle_period_ie = (void *)pos; break; + case WLAN_EID_RSNX: + elems->rsnx = pos; + elems->rsnx_len = elen; + break; case WLAN_EID_EXTENSION: - if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA && - elen >= (sizeof(*elems->mu_edca_param_set) + 1)) { - elems->mu_edca_param_set = (void *)&pos[1]; - if (calc_crc) - crc = crc32_be(crc, pos - 2, elen + 2); - } else if (pos[0] == WLAN_EID_EXT_HE_CAPABILITY) { - elems->he_cap = (void *)&pos[1]; - elems->he_cap_len = elen - 1; - } else if (pos[0] == WLAN_EID_EXT_HE_OPERATION && - elen >= sizeof(*elems->he_operation) && - elen >= ieee80211_he_oper_size(&pos[1])) { - elems->he_operation = (void *)&pos[1]; - } else if (pos[0] == WLAN_EID_EXT_UORA && elen >= 1) { - elems->uora_element = (void *)&pos[1]; - } else if (pos[0] == - WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME && - elen == 4) { - elems->max_channel_switch_time = pos + 1; - } else if (pos[0] == - WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION && - elen == 3) { - elems->mbssid_config_ie = (void *)&pos[1]; - } else if (pos[0] == WLAN_EID_EXT_HE_SPR && - elen >= sizeof(*elems->he_spr) && - elen >= ieee80211_he_spr_size(&pos[1])) { - elems->he_spr = (void *)&pos[1]; - } + ieee80211_parse_extension_element(calc_crc ? + &crc : NULL, + elem, elems); break; default: break; @@ -2987,10 +3018,22 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, int cf0, cf1; int ccfs0, ccfs1, ccfs2; int ccf0, ccf1; + u32 vht_cap; + bool support_80_80 = false; + bool support_160 = false; if (!oper || !htop) return false; + vht_cap = hw->wiphy->bands[chandef->chan->band]->vht_cap.cap; + support_160 = (vht_cap & (IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK | + IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)); + support_80_80 = ((vht_cap & + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) || + (vht_cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && + vht_cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK) || + ((vht_cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK) >> + IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT > 1)); ccfs0 = oper->center_freq_seg0_idx; ccfs1 = oper->center_freq_seg1_idx; ccfs2 = (le16_to_cpu(htop->operation_mode) & @@ -3018,10 +3061,10 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, unsigned int diff; diff = abs(ccf1 - ccf0); - if (diff == 8) { + if ((diff == 8) && support_160) { new.width = NL80211_CHAN_WIDTH_160; new.center_freq1 = cf1; - } else if (diff > 8) { + } else if ((diff > 8) && support_80_80) { new.width = NL80211_CHAN_WIDTH_80P80; new.center_freq2 = cf1; }