H2C_LEN_CXDRVINFO_TRX
skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_LEN_CXDRVINFO_TRX);
skb_put(skb, H2C_LEN_CXDRVINFO_TRX);
RTW89_SET_FWCMD_CXHDR_LEN(cmd, H2C_LEN_CXDRVINFO_TRX - H2C_LEN_CXDRVHDR);
H2C_LEN_CXDRVINFO_TRX);