include/net/mac80211.h:8285:26: error: 'SKB_EXT_WIRELESS' undeclared

include/net/mac80211.h:8285:26: error: 'SKB_EXT_WIRELESS' undeclared

[kernel test robot]

:::::: 
:::::: Manual check reason: "bisect to a FBC not belonging to original linux-review patches: branch: linux-review/Pooventhiran-G/net-skbuff-Add-SKB-extension-support-to-wireless-drivers/20260908-223929, commit: c6dbd12c6fcd4291c87e9c11caea9b323d05b951"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Pooventhiran G <pooventhiran.g@oss.qualcomm.com>
CC: 0day robot <lkp@intel.com>

tree:   https://github.com/intel-lab-lkp/linux/commits/Pooventhiran-G/net-skbuff-Add-SKB-extension-support-to-wireless-drivers/20260908-223929
head:   682493f4354196bc329dcf05f25bbd6d7a63dea0
commit: c6dbd12c6fcd4291c87e9c11caea9b323d05b951 wifi: mac80211: Define SMD BSS Transition context for transport
date:   26 hours ago
:::::: branch date: 26 hours ago
:::::: commit date: 26 hours ago
config: openrisc-randconfig-r133-20260909 (https://download.01.org/0day-ci/archive/20260910/202609100349.H06ONXwq-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 15.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260910/202609100349.H06ONXwq-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202609100349.H06ONXwq-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from net/wireless/tests/../../mac80211/ieee80211_i.h:32,
                    from net/wireless/tests/scan.c:15:
   include/net/mac80211.h: In function 'ieee80211_skb_ext_add_uhr':
>> include/net/mac80211.h:8285:26: error: 'SKB_EXT_WIRELESS' undeclared (first use in this function)
    8285 |         skb_ext_del(skb, SKB_EXT_WIRELESS);
         |                          ^~~~~~~~~~~~~~~~
   include/net/mac80211.h:8285:26: note: each undeclared identifier is reported only once for each function it appears in
>> include/net/mac80211.h:8287:15: error: implicit declaration of function 'skb_ext_add'; did you mean 'skb_ext_del'? [-Wimplicit-function-declaration]
    8287 |         ext = skb_ext_add(skb, SKB_EXT_WIRELESS);
         |               ^~~~~~~~~~~
         |               skb_ext_del


vim +/SKB_EXT_WIRELESS +8285 include/net/mac80211.h

c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8250  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8251  /**
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8252   * ieee80211_skb_ext_add_uhr - attach or replace a UHR SMD context on
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8253   *	SKB_EXT_WIRELESS
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8254   * @skb: the SKB to attach the extension to
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8255   * @ctx: the SMD context; must be a kmalloc-ed buffer by the caller
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8256   *
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8257   * Allocates a &struct wireless_skb_ext_smd_ctx container, sets @ctx to it with
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8258   * @refcnt initialized to 1, and attaches it to @skb on SKB_EXT_WIRELESS.
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8259   * If SKB_EXT_WIRELESS is already active, the existing @container is released
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8260   * before the new one is attached.
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8261   *
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8262   * Ownership of @ctx transfers to @container on success - the core will
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8263   * kfree() both when the last reference is released.
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8264   * Upon error, @ctx ownership is not transferred from the caller; old @container
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8265   * may get freed.
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8266   *
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8267   * Drivers must use this helper to attach SKB_EXT_WIRELESS extension to
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8268   * properly handle clone and COW copies.
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8269   *
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8270   * Returns 0 on success; -ENOMEM on allocation failure.
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8271   */
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8272  static inline int ieee80211_skb_ext_add_uhr(struct sk_buff *skb,
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8273  					    struct ieee80211_smd_ctx *ctx)
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8274  {
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8275  	struct wireless_skb_ext_smd_ctx *container;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8276  	struct wireless_skb_ext *ext;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8277  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8278  	container = kzalloc_obj(*container, GFP_ATOMIC);
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8279  	if (!container)
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8280  		return -ENOMEM;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8281  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8282  	refcount_set(&container->refcnt, 1);
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8283  	container->smd_ctx = ctx;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8284  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08 @8285  	skb_ext_del(skb, SKB_EXT_WIRELESS);
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8286  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08 @8287  	ext = skb_ext_add(skb, SKB_EXT_WIRELESS);
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8288  	if (!ext) {
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8289  		kfree(container);
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8290  		return -ENOMEM;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8291  	}
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8292  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8293  	ext->uhr_smd_ctx = container;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8294  	ext->type = WIRELESS_SKB_EXT_UHR_SMD;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8295  
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8296  	return 0;
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8297  }
c6dbd12c6fcd42 Pooventhiran G 2026-09-08  8298  

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