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;
}
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;
}