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nl80211: add notes about userspace API/ABI modifications

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Add notes about userspace ABI/API modifications, including the
fact that we decided that API submissions should come with a
driver implementation.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-02-27 15:32:43 +01:00
parent d5d011b446
commit 5fc7432991
1 changed files with 13 additions and 0 deletions
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13
include/uapi/linux/nl80211.h
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@ -25,6 +25,19 @@
*
*/
/*
* This header file defines the userspace API to the wireless stack. Please
* be careful not to break things - i.e. don't move anything around or so
* unless you can demonstrate that it breaks neither API nor ABI.
*
* Additions to the API should be accompanied by actual implementations in
* an upstream driver, so that example implementations exist in case there
* are ever concerns about the precise semantics of the API or changes are
* needed, and to ensure that code for dead (no longer implemented) API
* can actually be identified and removed.
* Nonetheless, semantics should also be documented carefully in this file.
*/
#include <linux/types.h>
#define NL80211_GENL_NAME "nl80211"