Function sfc_start

dpdk/drivers/net/sfc/sfc.c:554–608

}

int
sfc_start(struct sfc_adapter *sa)
{
	unsigned int start_tries = 3;
	int rc;

	sfc_log_init(sa, "entry");

	SFC_ASSERT(sfc_adapter_is_locked(sa));

	switch (sa->state) {
	case SFC_ETHDEV_CONFIGURED:
		break;
	case SFC_ETHDEV_STARTED:
		sfc_notice(sa, "already started");
		return 0;
	default:
		rc = EINVAL;
		goto fail_bad_state;
	}

	sa->state = SFC_ETHDEV_STARTING;

	rc = 0;
	do {
		/*
		 * FIXME Try to recreate vSwitch on start retry.
		 * vSwitch is absent after MC reboot like events and
		 * we should recreate it. May be we need proper
		 * indication instead of guessing.
		 */
		if (rc != 0) {
			sfc_sriov_vswitch_destroy(sa);
			rc = sfc_sriov_vswitch_create(sa);
			if (rc != 0)
				goto fail_sriov_vswitch_create;
		}
		rc = sfc_try_start(sa);
	} while ((--start_tries > 0) &&
		 (rc == EIO || rc == EAGAIN || rc == ENOENT || rc == EINVAL));

	if (rc != 0)
		goto fail_try_start;

	sa->state = SFC_ETHDEV_STARTED;
	sfc_log_init(sa, "done");
	return 0;

fail_try_start:
fail_sriov_vswitch_create:
	sa->state = SFC_ETHDEV_CONFIGURED;
fail_bad_state:
	sfc_log_init(sa, "failed %d", rc);
	return rc;
}

void
sfc_stop(struct sfc_adapter *sa)