Error building on Ubuntu 20.04.3 LTS

[warnes]

Building on an up-to-date Ubuntu 20.04.3 LTS results in a compile error:

$ make
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim modules
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.o
  MODPOST /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/Module.symvers
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.mod.o
  LD [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko
  BTF [M] /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko
Skipping BTF generation for /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko due to unavailability of vmlinux
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ git branch
* foxtrot/main
  main
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ git checkout tmain
error: pathspec 'tmain' did not match any file(s) known to git
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ git checkout main
Switched to branch 'main'
Your branch is up to date with 'origin/main'.
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ make clean
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim clean
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
  CLEAN   /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/Module.symvers
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ make
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim modules
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.o
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2529:6: error: ‘IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2’ undeclared here (not in a function); did you mean ‘IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2’?
 2529 |      IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |      IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2530:24: error: ‘IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU’ undeclared here (not in a function); did you mean ‘IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU’?
 2530 |     .mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU,
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                        IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2618:40: error: invalid operands to binary | (have ‘int’ and ‘const struct ieee80211_sband_iftype_data *’)
 2618 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |                                        ^
      |                                        |
      |                                        const struct ieee80211_sband_iftype_data *
In file included from ./include/net/mac80211.h:20,
                 from /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:23:
./include/linux/ieee80211.h:2002:45: warning: initialization of ‘unsigned char’ from ‘const struct ieee80211_sband_iftype_data *’ makes integer from pointer without a cast [-Wint-conversion]
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2618:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2618 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/ieee80211.h:2002:45: note: (near initialization for ‘he_capa_5ghz[0].he_cap.he_cap_elem.mac_cap_info[3]’)
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2618:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2618 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/ieee80211.h:2002:45: error: initializer element is not constant
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2618:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2618 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/ieee80211.h:2002:45: note: (near initialization for ‘he_capa_5ghz[0].he_cap.he_cap_elem.mac_cap_info[3]’)
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2618:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2618 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2620:24: warning: initialization of ‘unsigned char’ from ‘const struct ieee80211_sband_iftype_data *’ makes integer from pointer without a cast [-Wint-conversion]
 2620 |     .mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU,
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2620:24: note: (near initialization for ‘he_capa_5ghz[0].he_cap.he_cap_elem.mac_cap_info[4]’)
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2620:24: error: initializer element is not constant
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2620:24: note: (near initialization for ‘he_capa_5ghz[0].he_cap.he_cap_elem.mac_cap_info[4]’)
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2666:40: error: invalid operands to binary | (have ‘int’ and ‘const struct ieee80211_sband_iftype_data *’)
 2666 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |                                        ^
      |                                        |
      |                                        const struct ieee80211_sband_iftype_data *
In file included from ./include/net/mac80211.h:20,
                 from /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:23:
./include/linux/ieee80211.h:2002:45: warning: initialization of ‘unsigned char’ from ‘const struct ieee80211_sband_iftype_data *’ makes integer from pointer without a cast [-Wint-conversion]
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2666:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2666 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/ieee80211.h:2002:45: note: (near initialization for ‘he_capa_5ghz[1].he_cap.he_cap_elem.mac_cap_info[3]’)
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2666:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2666 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/ieee80211.h:2002:45: error: initializer element is not constant
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2666:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2666 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/ieee80211.h:2002:45: note: (near initialization for ‘he_capa_5ghz[1].he_cap.he_cap_elem.mac_cap_info[3]’)
 2002 | #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL   0x02
      |                                             ^~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2666:6: note: in expansion of macro ‘IEEE80211_HE_MAC_CAP3_OMI_CONTROL’
 2666 |      IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2668:24: warning: initialization of ‘unsigned char’ from ‘const struct ieee80211_sband_iftype_data *’ makes integer from pointer without a cast [-Wint-conversion]
 2668 |     .mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU,
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2668:24: note: (near initialization for ‘he_capa_5ghz[1].he_cap.he_cap_elem.mac_cap_info[4]’)
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2668:24: error: initializer element is not constant
/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.c:2668:24: note: (near initialization for ‘he_capa_5ghz[1].he_cap.he_cap_elem.mac_cap_info[4]’)
make[2]: *** [scripts/Makefile.build:281: /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.o] Error 1
make[1]: *** [Makefile:1879: /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'
make: *** [Makefile:4: all] Error 2

[warnes]

PR #1 resolves this issue:

$ gh pr checkout 1
Switched to branch 'foxtrot/main'
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ make clean;
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim clean
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ make
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim modules
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.o
  MODPOST /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/Module.symvers
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.mod.o
  LD [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko
  BTF [M] /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko
Skipping BTF generation for /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko due to unavailability of vmlinux
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'

[alphafox02]

Just tested @warnes kmod 5.13 plus branch on 20.04 w/ 5.13 and was able to get this to compile. Awesome and thank you.

[alphafox02]

PR #1 resolves this issue:

$ gh pr checkout 1
Switched to branch 'foxtrot/main'
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ make clean;
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim clean
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'
warnes@ubuntu-20-04-sdr:/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim$ make
make -C /lib/modules/5.13.0-27-generic/build M=/media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim modules
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-27-generic'
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.o
  MODPOST /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/Module.symvers
  CC [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.mod.o
  LD [M]  /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko
  BTF [M] /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko
Skipping BTF generation for /media/psf/Home/GoogleDrive/inoui/src/bladeRF-mac80211_hwsim/mac80211_hwsim.ko due to unavailability of vmlinux
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-27-generic'

How did you get around the skipping BTF mentioned above? I get the same result as you but when I try to insmod the module it fails. Do you have any issues when trying to insert?

Edit: I see now I did not follow the instructions in your config.