iwl_sigs
union iwl_sigs sigs;
BUILD_BUG_ON(offsetof(union iwl_sigs, eht.usig_a1) !=
offsetof(union iwl_sigs, eht_tb.usig_a1));
BUILD_BUG_ON(offsetof(union iwl_sigs, eht.usig_a2_eht) !=
offsetof(union iwl_sigs, eht_tb.usig_a2_eht));