C++ (Cpp) bgmac_dma_rx_read 예제들

예제 #1

파일: bgmac.c 프로젝트: 7799/linux

static int bgmac_poll(struct napi_struct *napi, int weight)
{
	struct bgmac *bgmac = container_of(napi, struct bgmac, napi);
	struct bgmac_dma_ring *ring;
	int handled = 0;

	if (bgmac->int_status & BGMAC_IS_TX0) {
		ring = &bgmac->tx_ring[0];
		bgmac_dma_tx_free(bgmac, ring);
		bgmac->int_status &= ~BGMAC_IS_TX0;
	}

	if (bgmac->int_status & BGMAC_IS_RX) {
		ring = &bgmac->rx_ring[0];
		handled += bgmac_dma_rx_read(bgmac, ring, weight);
		bgmac->int_status &= ~BGMAC_IS_RX;
	}

	if (bgmac->int_status) {
		bgmac_err(bgmac, "Unknown IRQs: 0x%08X\n", bgmac->int_status);
		bgmac->int_status = 0;
	}

	if (handled < weight)
		napi_complete(napi);

	bgmac_chip_intrs_on(bgmac);

	return handled;
}

예제 #2

파일: bgmac.c 프로젝트: 545191228/linux

static int bgmac_poll(struct napi_struct *napi, int weight)
{
	struct bgmac *bgmac = container_of(napi, struct bgmac, napi);
	int handled = 0;

	/* Ack */
	bgmac_write(bgmac, BGMAC_INT_STATUS, ~0);

	bgmac_dma_tx_free(bgmac, &bgmac->tx_ring[0]);
	handled += bgmac_dma_rx_read(bgmac, &bgmac->rx_ring[0], weight);

	/* Poll again if more events arrived in the meantime */
	if (bgmac_read(bgmac, BGMAC_INT_STATUS) & (BGMAC_IS_TX0 | BGMAC_IS_RX))
		return weight;

	if (handled < weight) {
		napi_complete(napi);
		bgmac_chip_intrs_on(bgmac);
	}

	return handled;
}