Function tcp_log_end_status

freebsd/netinet/tcp_subr.c:3499–3526

}

void
tcp_log_end_status(struct tcpcb *tp, uint8_t status)
{
	uint32_t bit, i;

	if ((tp == NULL) ||
	    (status > TCP_EI_STATUS_MAX_VALUE) ||
	    (status == 0)) {
		/* Invalid */
		return;
	}
	if (status > (sizeof(uint32_t) * 8)) {
		/* Should this be a KASSERT? */
		return;
	}
	bit = 1U << (status - 1);
	if (bit & tp->t_end_info_status) {
		/* already logged */
		return;
	}
	for (i = 0; i < TCP_END_BYTE_INFO; i++) {
		if (tp->t_end_info_bytes[i] == TCP_EI_EMPTY_SLOT) {
			tp->t_end_info_bytes[i] = status;
			tp->t_end_info_status |= bit;
			break;
		}
	}
}