{
hns3_unmap_buffer(ring, &ring->desc_cb[i]);
ring->desc[i].addr = 0;
+ ring->desc_cb[i].refill = 0;
}
static void hns3_free_buffer_detach(struct hns3_enet_ring *ring, int i,
return ret;
ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);
+ ring->desc_cb[i].refill = 1;
return 0;
}
hns3_unmap_buffer(ring, &ring->desc_cb[i]);
ring->desc_cb[i] = *res_cb;
ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);
+ ring->desc_cb[i].refill = 1;
ring->desc[i].rx.bd_base_info = 0;
}
static void hns3_reuse_buffer(struct hns3_enet_ring *ring, int i)
{
ring->desc_cb[i].reuse_flag = 0;
+ ring->desc_cb[i].refill = 1;
ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma +
ring->desc_cb[i].page_offset);
ring->desc[i].rx.bd_base_info = 0;
int ntc = ring->next_to_clean;
int ntu = ring->next_to_use;
+ if (unlikely(ntc == ntu && !ring->desc_cb[ntc].refill))
+ return ring->desc_num;
+
return ((ntc >= ntu) ? 0 : ring->desc_num) + ntc - ntu;
}
{
ring->desc[ring->next_to_clean].rx.bd_base_info &=
cpu_to_le32(~BIT(HNS3_RXD_VLD_B));
+ ring->desc_cb[ring->next_to_clean].refill = 0;
ring->next_to_clean += 1;
if (unlikely(ring->next_to_clean == ring->desc_num))