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linux/net/wireless/of.c

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wifi: Add SPDX ids to some files in the wireless subsystem Add SPDX-License-Identifier lines to some files where they are missing in the net/wireless directory. Remove licensing text from individual files headers (where present) to canonicalize the library references. Use (mostly) either GPL-2.0 or ISC, depending on the license wording (or not) in the files. radiotap.c does not mention which BSD variant it intends for the license. My selection of 'OR BSD-2-Clause' for radiotap.c was based on research into this code's history and its licensing elsewhere. In OpenBSD, radiotap code (which likely either derived from this code, or this code was derived from) has the BSD-2-Clause license. Very similar code in the radiotap library user space tool, by the same authors Andy Green and Johannes Berg, has an ISC license. Also the ISC license is used by Johannes for other contributions in the Linux wireless system. Since the radiotap.c license text here mentions BSD, but not a specific version, I chose the closest BSD variant to ISC, which is BSD-2-Clause. Signed-off-by: Tim Bird <tim.bird@sony.com> Link: https://patch.msgid.link/20260305220422.24161-1-tim.bird@sony.com [modify subject since it's not all radiotap] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2026-03-05 15:04:21 -07:00
cfg80211: support ieee80211-freq-limit DT property This patch adds a helper for reading that new property and applying limitations of supported channels specified this way. It is used with devices that normally support a wide wireless band but in a given config are limited to some part of it (usually due to board design). For example a dual-band chipset may be able to support one band only because of used antennas. It's also common that tri-band routers have separated radios for lower and higher part of 5 GHz band and it may be impossible to say which is which without a DT info. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> [add new function to documentation, fix link] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-01-04 18:58:31 +01:00
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument This was done entirely with mindless brute force, using git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' | xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/' to convert the new alloc_obj() users that had a simple GFP_KERNEL argument to just drop that argument. Note that due to the extreme simplicity of the scripting, any slightly more complex cases spread over multiple lines would not be triggered: they definitely exist, but this covers the vast bulk of the cases, and the resulting diff is also then easier to check automatically. For the same reason the 'flex' versions will be done as a separate conversion. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-02-21 16:37:42 -08:00
cfg80211: support ieee80211-freq-limit DT property This patch adds a helper for reading that new property and applying limitations of supported channels specified this way. It is used with devices that normally support a wide wireless band but in a given config are limited to some part of it (usually due to board design). For example a dual-band chipset may be able to support one band only because of used antennas. It's also common that tri-band routers have separated radios for lower and higher part of 5 GHz band and it may be impossible to say which is which without a DT info. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> [add new function to documentation, fix link] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-01-04 18:58:31 +01:00