ELS_CMD_MASK
if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) {
cmd &= ELS_CMD_MASK;
payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
payload_len = be32_to_cpu(*payload_ptr & ~ELS_CMD_MASK);
payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
length = be32_to_cpu(*cmd & ~ELS_CMD_MASK);
*cmd &= ELS_CMD_MASK;