Re: [RFC 09/10] mac80211: build HE operation with 6 GHz oper information

[kbuild test robot <lkp@intel.com>]

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Hi Johannes,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on mac80211-next/master]
[also build test ERROR on next-20200528]
[cannot apply to mac80211/master v5.7-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Johannes-Berg/cfg80211-add-a-helper-to-identify-6-GHz-PSCs/20200528-174914
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master
config: ia64-randconfig-r035-20200528 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

In file included from arch/ia64/include/asm/pgtable.h:154,
from include/linux/mm.h:95,
from include/linux/bvec.h:13,
from include/linux/skbuff.h:17,
from include/linux/if_ether.h:19,
from include/net/mac80211.h:18,
from net/mac80211/util.c:14:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
137 |  unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
|                                         ^~~~~~~
net/mac80211/util.c: In function 'ieee80211_ie_build_he_oper':
>> net/mac80211/util.c:3021:20: error: invalid application of 'sizeof' to incomplete type 'struct ieee80211_he_oper_6ghz_op_info'
3021 |   ie_len += sizeof(struct ieee80211_he_oper_6ghz_op_info);
|                    ^~~~~~
>> net/mac80211/util.c:3050:12: error: dereferencing pointer to incomplete type 'struct ieee80211_he_oper_6ghz_op_info'
3050 |  he_6ghz_op->min_rate = 6; /* 6 Mbps */
|            ^~
>> net/mac80211/util.c:3067:4: error: 'IEEE80211_HE_6GHZ_CHANWIDTH_160MHZ_80P80MHZ' undeclared (first use in this function); did you mean 'IEEE80211_VHT_CHANWIDTH_80P80MHZ'?
3067 |    IEEE80211_HE_6GHZ_CHANWIDTH_160MHZ_80P80MHZ;
|    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|    IEEE80211_VHT_CHANWIDTH_80P80MHZ
net/mac80211/util.c:3067:4: note: each undeclared identifier is reported only once for each function it appears in
>> net/mac80211/util.c:3080:25: error: 'IEEE80211_HE_6GHZ_CHANWIDTH_80MHZ' undeclared (first use in this function); did you mean 'IEEE80211_VHT_CHANWIDTH_80MHZ'?
3080 |   he_6ghz_op->control = IEEE80211_HE_6GHZ_CHANWIDTH_80MHZ;
|                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|                         IEEE80211_VHT_CHANWIDTH_80MHZ
>> net/mac80211/util.c:3083:25: error: 'IEEE80211_HE_6GHZ_CHANWIDTH_40MHZ' undeclared (first use in this function); did you mean 'IEEE80211_VHT_CHANWIDTH_80MHZ'?
3083 |   he_6ghz_op->control = IEEE80211_HE_6GHZ_CHANWIDTH_40MHZ;
|                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|                         IEEE80211_VHT_CHANWIDTH_80MHZ
>> net/mac80211/util.c:3086:25: error: 'IEEE80211_HE_6GHZ_CHANWIDTH_20MHZ' undeclared (first use in this function); did you mean 'IEEE80211_HT_CHANWIDTH_20MHZ'?
3086 |   he_6ghz_op->control = IEEE80211_HE_6GHZ_CHANWIDTH_20MHZ;
|                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|                         IEEE80211_HT_CHANWIDTH_20MHZ
net/mac80211/util.c:3090:16: error: invalid application of 'sizeof' to incomplete type 'struct ieee80211_he_oper_6ghz_op_info'
3090 |  pos += sizeof(struct ieee80211_he_oper_6ghz_op_info);
|                ^~~~~~

vim +3021 net/mac80211/util.c

  3012	
  3013	u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef)
  3014	{
  3015		struct ieee80211_he_operation *he_oper;
  3016		struct ieee80211_he_oper_6ghz_op_info *he_6ghz_op;
  3017		u32 he_oper_params;
  3018		u8 ie_len = 1 + sizeof(struct ieee80211_he_operation);
  3019	
  3020		if (chandef->chan->band == NL80211_BAND_6GHZ)
> 3021			ie_len += sizeof(struct ieee80211_he_oper_6ghz_op_info);
  3022	
  3023		*pos++ = WLAN_EID_EXTENSION;
  3024		*pos++ = ie_len;
  3025		*pos++ = WLAN_EID_EXT_HE_OPERATION;
  3026	
  3027		he_oper_params = 0;
  3028		he_oper_params |= u32_encode_bits(1023, /* disabled */
  3029					IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
  3030		he_oper_params |= u32_encode_bits(1,
  3031					IEEE80211_HE_OPERATION_ER_SU_DISABLE);
  3032		he_oper_params |= u32_encode_bits(1,
  3033					IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED);
  3034		if (chandef->chan->band == NL80211_BAND_6GHZ)
  3035			he_oper_params |= u32_encode_bits(1,
  3036					IEEE80211_HE_OPERATION_6GHZ_OP_INFO);
  3037	
  3038		he_oper = (struct ieee80211_he_operation *)pos;
  3039		he_oper->he_oper_params = cpu_to_le32(he_oper_params);
  3040	
  3041		/* don't require special HE peer rates */
  3042		he_oper->he_mcs_nss_set = cpu_to_le16(0xffff);
  3043		pos += sizeof(struct ieee80211_he_operation);
  3044	
  3045		if (chandef->chan->band != NL80211_BAND_6GHZ)
  3046			goto out;
  3047	
  3048		/* TODO add VHT operational */
  3049		he_6ghz_op = (struct ieee80211_he_oper_6ghz_op_info *)pos;
> 3050		he_6ghz_op->min_rate = 6; /* 6 Mbps */
  3051		he_6ghz_op->primary_chan =
  3052			ieee80211_frequency_to_channel(chandef->chan->center_freq);
  3053		he_6ghz_op->center_freq_seg0_idx =
  3054			ieee80211_frequency_to_channel(chandef->center_freq1);
  3055		if (chandef->center_freq2)
  3056			he_6ghz_op->center_freq_seg1_idx =
  3057				ieee80211_frequency_to_channel(chandef->center_freq2);
  3058		else
  3059			he_6ghz_op->center_freq_seg1_idx = 0;
  3060	
  3061		switch (chandef->width) {
  3062		case NL80211_CHAN_WIDTH_160:
  3063			/* Convert 160 MHz channel width to new style as interop
  3064			 * workaround.
  3065			 */
  3066			he_6ghz_op->control =
> 3067				IEEE80211_HE_6GHZ_CHANWIDTH_160MHZ_80P80MHZ;
  3068			he_6ghz_op->center_freq_seg1_idx =
  3069				he_6ghz_op->center_freq_seg0_idx;
  3070			if (chandef->chan->center_freq < chandef->center_freq1)
  3071				he_6ghz_op->center_freq_seg0_idx -= 8;
  3072			else
  3073				he_6ghz_op->center_freq_seg0_idx += 8;
  3074			fallthrough;
  3075		case NL80211_CHAN_WIDTH_80P80:
  3076			he_6ghz_op->control =
  3077				IEEE80211_HE_6GHZ_CHANWIDTH_160MHZ_80P80MHZ;
  3078			break;
  3079		case NL80211_CHAN_WIDTH_80:
> 3080			he_6ghz_op->control = IEEE80211_HE_6GHZ_CHANWIDTH_80MHZ;
  3081			break;
  3082		case NL80211_CHAN_WIDTH_40:
> 3083			he_6ghz_op->control = IEEE80211_HE_6GHZ_CHANWIDTH_40MHZ;
  3084			break;
  3085		default:
> 3086			he_6ghz_op->control = IEEE80211_HE_6GHZ_CHANWIDTH_20MHZ;
  3087			break;
  3088		}
  3089	
  3090		pos += sizeof(struct ieee80211_he_oper_6ghz_op_info);
  3091	
  3092	out:
  3093		return pos;
  3094	}
  3095	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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