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2019-08-21mac80211: fix possible NULL pointerderef in obss pd codeJohn Crispin
he_spr_ie_elem is dereferenced before the NULL check. fix this by moving the assignment after the check. fixes commit 697f6c507c74 ("mac80211: propagate HE operation info into bss_conf") This was reported by the static code checker. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190813070712.25509-1-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-31mac80211: allow setting spatial reuse parameters from bss_confJohn Crispin
Store the OBSS PD parameters inside bss_conf when bringing up an AP and/or when a station connects to an AP. This allows the driver to configure the HW accordingly. Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190730163701.18836-3-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-29mac80211: propagate HE operation info into bss_confJohn Crispin
Upon a successful assoc a station shall store the content of the HE operation element inside bss_conf so that the driver can setup the hardware accordingly. Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20190729102342.8659-2-john@phrozen.org [use struct copy] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-18mac80211: add support for HELuca Coelho
Add support for HE in mac80211 conforming with P802.11ax_D1.4. Johannes: Fix another bug with the buf_size comparison in agg-rx.c. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Ido Yariv <idox.yariv@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>