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| author | Roman Yeryomin <roman@advem.lv> | 2018-11-25 14:55:38 +0200 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-11-26 09:31:50 +0100 |
| commit | 920845357fc6f84fe1a8bcb4a504fff499bce085 (patch) | |
| tree | 70690cf3ccf818a0973802d450f5af36cd6ce67a /target/linux/rb532/patches-4.14/107-korina-refactor-rx-descriptor-flags-processing.patch | |
| parent | a0d5acfbe2bd4f9423d08d88706456e0bd62d4ce (diff) | |
| download | upstream-920845357fc6f84fe1a8bcb4a504fff499bce085.tar.gz upstream-920845357fc6f84fe1a8bcb4a504fff499bce085.tar.bz2 upstream-920845357fc6f84fe1a8bcb4a504fff499bce085.zip | |
rb532: add 4.14 support
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Diffstat (limited to 'target/linux/rb532/patches-4.14/107-korina-refactor-rx-descriptor-flags-processing.patch')
| -rw-r--r-- | target/linux/rb532/patches-4.14/107-korina-refactor-rx-descriptor-flags-processing.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/target/linux/rb532/patches-4.14/107-korina-refactor-rx-descriptor-flags-processing.patch b/target/linux/rb532/patches-4.14/107-korina-refactor-rx-descriptor-flags-processing.patch new file mode 100644 index 0000000000..80745f534d --- /dev/null +++ b/target/linux/rb532/patches-4.14/107-korina-refactor-rx-descriptor-flags-processing.patch @@ -0,0 +1,110 @@ +--- a/drivers/net/ethernet/korina.c ++++ b/drivers/net/ethernet/korina.c +@@ -363,59 +363,60 @@ static int korina_rx(struct net_device * + if ((KORINA_RBSIZE - (u32)DMA_COUNT(rd->control)) == 0) + break; + +- /* Update statistics counters */ +- if (devcs & ETH_RX_CRC) +- dev->stats.rx_crc_errors++; +- if (devcs & ETH_RX_LOR) +- dev->stats.rx_length_errors++; +- if (devcs & ETH_RX_LE) +- dev->stats.rx_length_errors++; +- if (devcs & ETH_RX_OVR) +- dev->stats.rx_fifo_errors++; +- if (devcs & ETH_RX_CV) +- dev->stats.rx_frame_errors++; +- if (devcs & ETH_RX_CES) +- dev->stats.rx_length_errors++; +- if (devcs & ETH_RX_MP) +- dev->stats.multicast++; ++ /* check that this is a whole packet ++ * WARNING: DMA_FD bit incorrectly set ++ * in Rc32434 (errata ref #077) */ ++ if (!(devcs & ETH_RX_LD)) ++ goto next; + +- if ((devcs & ETH_RX_LD) != ETH_RX_LD) { +- /* check that this is a whole packet +- * WARNING: DMA_FD bit incorrectly set +- * in Rc32434 (errata ref #077) */ ++ if (!(devcs & ETH_RX_ROK)) { ++ /* Update statistics counters */ + dev->stats.rx_errors++; + dev->stats.rx_dropped++; +- } else if ((devcs & ETH_RX_ROK)) { +- pkt_len = RCVPKT_LENGTH(devcs); ++ if (devcs & ETH_RX_CRC) ++ dev->stats.rx_crc_errors++; ++ if (devcs & ETH_RX_LE) ++ dev->stats.rx_length_errors++; ++ if (devcs & ETH_RX_OVR) ++ dev->stats.rx_fifo_errors++; ++ if (devcs & ETH_RX_CV) ++ dev->stats.rx_frame_errors++; ++ if (devcs & ETH_RX_CES) ++ dev->stats.rx_frame_errors++; + +- /* must be the (first and) last +- * descriptor then */ +- pkt_buf = (u8 *)lp->rx_skb[lp->rx_next_done]->data; +- +- /* invalidate the cache */ +- dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4); +- +- /* Malloc up new buffer. */ +- skb_new = netdev_alloc_skb_ip_align(dev, KORINA_RBSIZE); +- +- if (!skb_new) +- break; +- /* Do not count the CRC */ +- skb_put(skb, pkt_len - 4); +- skb->protocol = eth_type_trans(skb, dev); +- +- /* Pass the packet to upper layers */ +- netif_receive_skb(skb); +- dev->stats.rx_packets++; +- dev->stats.rx_bytes += pkt_len; +- +- /* Update the mcast stats */ +- if (devcs & ETH_RX_MP) +- dev->stats.multicast++; +- +- lp->rx_skb[lp->rx_next_done] = skb_new; ++ goto next; + } + ++ pkt_len = RCVPKT_LENGTH(devcs); ++ ++ /* must be the (first and) last ++ * descriptor then */ ++ pkt_buf = (u8 *)lp->rx_skb[lp->rx_next_done]->data; ++ ++ /* invalidate the cache */ ++ dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4); ++ ++ /* Malloc up new buffer. */ ++ skb_new = netdev_alloc_skb_ip_align(dev, KORINA_RBSIZE); ++ ++ if (!skb_new) ++ break; ++ /* Do not count the CRC */ ++ skb_put(skb, pkt_len - 4); ++ skb->protocol = eth_type_trans(skb, dev); ++ ++ /* Pass the packet to upper layers */ ++ netif_receive_skb(skb); ++ dev->stats.rx_packets++; ++ dev->stats.rx_bytes += pkt_len; ++ ++ /* Update the mcast stats */ ++ if (devcs & ETH_RX_MP) ++ dev->stats.multicast++; ++ ++ lp->rx_skb[lp->rx_next_done] = skb_new; ++ ++next: + rd->devcs = 0; + + /* Restore descriptor's curr_addr */ |