mirror of
https://github.com/openwrt/openwrt.git
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111 lines
3.0 KiB
Diff
111 lines
3.0 KiB
Diff
--- a/drivers/net/ethernet/korina.c
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+++ b/drivers/net/ethernet/korina.c
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@@ -363,59 +363,60 @@ static int korina_rx(struct net_device *
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if ((KORINA_RBSIZE - (u32)DMA_COUNT(rd->control)) == 0)
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break;
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- /* Update statistics counters */
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- if (devcs & ETH_RX_CRC)
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- dev->stats.rx_crc_errors++;
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- if (devcs & ETH_RX_LOR)
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- dev->stats.rx_length_errors++;
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- if (devcs & ETH_RX_LE)
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- dev->stats.rx_length_errors++;
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- if (devcs & ETH_RX_OVR)
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- dev->stats.rx_fifo_errors++;
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- if (devcs & ETH_RX_CV)
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- dev->stats.rx_frame_errors++;
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- if (devcs & ETH_RX_CES)
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- dev->stats.rx_length_errors++;
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- if (devcs & ETH_RX_MP)
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- dev->stats.multicast++;
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+ /* check that this is a whole packet
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+ * WARNING: DMA_FD bit incorrectly set
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+ * in Rc32434 (errata ref #077) */
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+ if (!(devcs & ETH_RX_LD))
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+ goto next;
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- if ((devcs & ETH_RX_LD) != ETH_RX_LD) {
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- /* check that this is a whole packet
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- * WARNING: DMA_FD bit incorrectly set
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- * in Rc32434 (errata ref #077) */
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+ if (!(devcs & ETH_RX_ROK)) {
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+ /* Update statistics counters */
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dev->stats.rx_errors++;
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dev->stats.rx_dropped++;
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- } else if ((devcs & ETH_RX_ROK)) {
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- pkt_len = RCVPKT_LENGTH(devcs);
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+ if (devcs & ETH_RX_CRC)
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+ dev->stats.rx_crc_errors++;
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+ if (devcs & ETH_RX_LE)
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+ dev->stats.rx_length_errors++;
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+ if (devcs & ETH_RX_OVR)
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+ dev->stats.rx_fifo_errors++;
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+ if (devcs & ETH_RX_CV)
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+ dev->stats.rx_frame_errors++;
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+ if (devcs & ETH_RX_CES)
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+ dev->stats.rx_frame_errors++;
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- /* must be the (first and) last
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- * descriptor then */
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- pkt_buf = (u8 *)lp->rx_skb[lp->rx_next_done]->data;
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-
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- /* invalidate the cache */
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- dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4);
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-
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- /* Malloc up new buffer. */
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- skb_new = netdev_alloc_skb_ip_align(dev, KORINA_RBSIZE);
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-
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- if (!skb_new)
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- break;
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- /* Do not count the CRC */
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- skb_put(skb, pkt_len - 4);
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- skb->protocol = eth_type_trans(skb, dev);
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-
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- /* Pass the packet to upper layers */
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- netif_receive_skb(skb);
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- dev->stats.rx_packets++;
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- dev->stats.rx_bytes += pkt_len;
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-
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- /* Update the mcast stats */
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- if (devcs & ETH_RX_MP)
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- dev->stats.multicast++;
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-
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- lp->rx_skb[lp->rx_next_done] = skb_new;
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+ goto next;
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}
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+ pkt_len = RCVPKT_LENGTH(devcs);
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+
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+ /* must be the (first and) last
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+ * descriptor then */
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+ pkt_buf = (u8 *)lp->rx_skb[lp->rx_next_done]->data;
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+
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+ /* invalidate the cache */
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+ dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4);
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+
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+ /* Malloc up new buffer. */
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+ skb_new = netdev_alloc_skb_ip_align(dev, KORINA_RBSIZE);
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+
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+ if (!skb_new)
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+ break;
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+ /* Do not count the CRC */
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+ skb_put(skb, pkt_len - 4);
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+ skb->protocol = eth_type_trans(skb, dev);
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+
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+ /* Pass the packet to upper layers */
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+ netif_receive_skb(skb);
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+ dev->stats.rx_packets++;
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+ dev->stats.rx_bytes += pkt_len;
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+
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+ /* Update the mcast stats */
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+ if (devcs & ETH_RX_MP)
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+ dev->stats.multicast++;
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+
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+ lp->rx_skb[lp->rx_next_done] = skb_new;
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+
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+next:
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rd->devcs = 0;
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/* Restore descriptor's curr_addr */
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