IOSM_AGGR_MUX_SIG_ADTH
if (adth->signature == cpu_to_le32(IOSM_AGGR_MUX_SIG_ADTH)) {
if (adth->signature != cpu_to_le32(IOSM_AGGR_MUX_SIG_ADTH))
adth->signature = cpu_to_le32(IOSM_AGGR_MUX_SIG_ADTH);