Differential D21728 Diff 62341 sys/dev/axgbe/xgbe-drv.c

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sys/dev/axgbe/xgbe-drv.c

Show First 20 Lines • Show All 880 Lines • ▼ Show 20 Lines	if (desc_if->map_rx_buffer(pdata, ring, rdata))
break;		break;

hw_if->rx_desc_reset(pdata, rdata, ring->dirty);		hw_if->rx_desc_reset(pdata, rdata, ring->dirty);

ring->dirty++;		ring->dirty++;
}		}

/* Make sure everything is written before the register write */		/* Make sure everything is written before the register write */
		#if defined(__arm__)
dsb(sy);		dsb(sy);
		#endif

/* Update the Rx Tail Pointer Register with address of		/* Update the Rx Tail Pointer Register with address of
* the last cleaned entry */		* the last cleaned entry */
rdata = XGBE_GET_DESC_DATA(ring, ring->dirty - 1);		rdata = XGBE_GET_DESC_DATA(ring, ring->dirty - 1);
XGMAC_DMA_IOWRITE(channel, DMA_CH_RDTR_LO,		XGMAC_DMA_IOWRITE(channel, DMA_CH_RDTR_LO,
lower_32_bits(rdata->rdata_paddr));		lower_32_bits(rdata->rdata_paddr));
}		}

Show All 12 Lines	static int xgbe_tx_poll(struct xgbe_channel *channel)

/* Nothing to do if there isn't a Tx ring for this channel */		/* Nothing to do if there isn't a Tx ring for this channel */
if (!ring)		if (!ring)
return 0;		return 0;

cur = ring->cur;		cur = ring->cur;

/* Be sure we get ring->cur before accessing descriptor data */		/* Be sure we get ring->cur before accessing descriptor data */
		#if defined(__arm__)
dsb(sy);		dsb(sy);
		#endif

while ((processed < XGBE_TX_DESC_MAX_PROC) &&		while ((processed < XGBE_TX_DESC_MAX_PROC) &&
(ring->dirty != cur)) {		(ring->dirty != cur)) {
rdata = XGBE_GET_DESC_DATA(ring, ring->dirty);		rdata = XGBE_GET_DESC_DATA(ring, ring->dirty);
rdesc = rdata->rdesc;		rdesc = rdata->rdesc;

if (!hw_if->tx_complete(rdesc))		if (!hw_if->tx_complete(rdesc))
break;		break;

/* Make sure descriptor fields are read after reading the OWN		/* Make sure descriptor fields are read after reading the OWN
* bit */		* bit */
		#if defined(__arm__)
dsb(sy);		dsb(sy);
		#endif

/* Free the SKB and reset the descriptor for re-use */		/* Free the SKB and reset the descriptor for re-use */
desc_if->unmap_rdata(pdata, rdata);		desc_if->unmap_rdata(pdata, rdata);
hw_if->tx_desc_reset(rdata);		hw_if->tx_desc_reset(rdata);

processed++;		processed++;
ring->dirty++;		ring->dirty++;
}		}
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