cns3xxx: fix ethernet port lookup for multi-descriptor jumbo frames
SVN-Revision: 33499
This commit is contained in:
parent
029aaf4514
commit
a1c016fe16
1 changed files with 26 additions and 14 deletions
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@ -99,7 +99,15 @@
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i++;
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desc++;
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}
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@@ -588,49 +594,79 @@ static int eth_poll(struct napi_struct *
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@@ -579,7 +585,6 @@ static void clear_tx_desc(struct sw *sw)
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static int eth_poll(struct napi_struct *napi, int budget)
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{
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struct sw *sw = container_of(napi, struct sw, napi);
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- struct net_device *dev;
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struct _rx_ring *rx_ring = sw->rx_ring;
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int received = 0;
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unsigned int length;
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@@ -588,49 +593,82 @@ static int eth_poll(struct napi_struct *
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while (desc->cown) {
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struct sk_buff *skb;
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@ -110,14 +118,15 @@
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- skb = rx_ring->buff_tab[i];
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+ /* process received frame */
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+ dma_unmap_single(&dev->dev, rx_ring->phys_tab[i],
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+ dma_unmap_single(NULL, rx_ring->phys_tab[i],
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+ RX_SEGMENT_MRU, DMA_FROM_DEVICE);
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+
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- dev = switch_port_tab[desc->sp]->netdev;
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+ skb = build_skb(rx_ring->buff_tab[i]);
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+ if (!skb)
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+ break;
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dev = switch_port_tab[desc->sp]->netdev;
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+
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+ skb->dev = switch_port_tab[desc->sp]->netdev;
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length = desc->sdl;
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- /* process received frame */
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@ -125,13 +134,13 @@
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- length, DMA_FROM_DEVICE);
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+ if (desc->fsd && !desc->lsd)
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+ length = RX_SEGMENT_MRU;
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+
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+ if (!desc->fsd) {
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+ reserve -= NET_IP_ALIGN;
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+ if (!desc->lsd)
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+ length += NET_IP_ALIGN;
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+ }
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+
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+ skb_reserve(skb, reserve);
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skb_put(skb, length);
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@ -149,11 +158,14 @@
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+ sw->frag_first->truesize += skb->truesize;
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+ }
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+ sw->frag_last = skb;
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+
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+ if (desc->lsd) {
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+ struct net_device *dev;
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- dev->stats.rx_packets++;
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- dev->stats.rx_bytes += length;
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+ if (desc->lsd) {
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+ skb = sw->frag_first;
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+ dev = skb->dev;
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+ skb->protocol = eth_type_trans(skb, dev);
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+
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+ dev->stats.rx_packets++;
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@ -205,7 +217,7 @@
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if (++i == RX_DESCS) {
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i = 0;
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desc = &(rx_ring)->desc[i];
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@@ -671,12 +707,6 @@ static int eth_xmit(struct sk_buff *skb,
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@@ -671,12 +709,6 @@ static int eth_xmit(struct sk_buff *skb,
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if (pmap == 8)
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pmap = (1 << 4);
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@ -218,7 +230,7 @@
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spin_lock(&tx_lock);
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if ((tx_ring->num_used + nr_frags) >= TX_DESCS) {
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@@ -701,8 +731,7 @@ static int eth_xmit(struct sk_buff *skb,
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@@ -701,8 +733,7 @@ static int eth_xmit(struct sk_buff *skb,
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len = skb->len;
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@ -228,7 +240,7 @@
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tx_desc->sdp = phys;
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tx_desc->pmap = pmap;
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@@ -849,24 +878,24 @@ static int init_rings(struct sw *sw)
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@@ -849,24 +880,24 @@ static int init_rings(struct sw *sw)
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/* Setup RX buffers */
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for (i = 0; i < RX_DESCS; i++) {
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struct rx_desc *desc = &(rx_ring)->desc[i];
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@ -264,7 +276,7 @@
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rx_ring->phys_tab[i] = desc->sdp;
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desc->cown = 0;
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}
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@@ -905,12 +934,13 @@ static void destroy_rings(struct sw *sw)
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@@ -905,12 +936,13 @@ static void destroy_rings(struct sw *sw)
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struct _rx_ring *rx_ring = sw->rx_ring;
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struct rx_desc *desc = &(rx_ring)->desc[i];
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struct sk_buff *skb = sw->rx_ring->buff_tab[i];
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@ -284,7 +296,7 @@
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}
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dma_pool_free(rx_dma_pool, sw->rx_ring->desc, sw->rx_ring->phys_addr);
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dma_pool_destroy(rx_dma_pool);
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@@ -1085,13 +1115,22 @@ static int eth_set_mac(struct net_device
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@@ -1085,13 +1117,22 @@ static int eth_set_mac(struct net_device
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return 0;
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}
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@ -308,7 +320,7 @@
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.ndo_set_mac_address = eth_set_mac,
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.ndo_validate_addr = eth_validate_addr,
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};
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@@ -1124,6 +1163,10 @@ static int __devinit eth_init_one(struct
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@@ -1124,6 +1165,10 @@ static int __devinit eth_init_one(struct
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goto err_free;
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}
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