diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 14:07:15 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 14:07:15 -0700 |
commit | d2aa4550379f92e929af7ed1dd4f55e6a1e331f8 (patch) | |
tree | 5ef0fc69a507f0d701fd157b6652427eabd5efdd /drivers/net/forcedeth.c | |
parent | 9e3e4b1d2d13bead8d52703c82a02b55f108b491 (diff) | |
parent | cb2107be43d2fc5eadec58b92b54bf32c00bfff3 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (55 commits)
netxen: fix tx ring accounting
netxen: fix detection of cut-thru firmware mode
forcedeth: fix dma api mismatches
atm: sk_wmem_alloc initial value is one
net: correct off-by-one write allocations reports
via-velocity : fix no link detection on boot
Net / e100: Fix suspend of devices that cannot be power managed
TI DaVinci EMAC : Fix rmmod error
net: group address list and its count
ipv4: Fix fib_trie rebalancing, part 2
pkt_sched: Update drops stats in act_police
sky2: version 1.23
sky2: add GRO support
sky2: skb recycling
sky2: reduce default transmit ring
sky2: receive counter update
sky2: fix shutdown synchronization
sky2: PCI irq issues
sky2: more receive shutdown
sky2: turn off pause during shutdown
...
Manually fix trivial conflict in net/core/skbuff.c due to kmemcheck
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r-- | drivers/net/forcedeth.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index b60a3041b64..1094d292630 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -719,7 +719,8 @@ static const struct register_test nv_registers_test[] = { struct nv_skb_map { struct sk_buff *skb; dma_addr_t dma; - unsigned int dma_len; + unsigned int dma_len:31; + unsigned int dma_single:1; struct ring_desc_ex *first_tx_desc; struct nv_skb_map *next_tx_ctx; }; @@ -1912,6 +1913,7 @@ static void nv_init_tx(struct net_device *dev) np->tx_skb[i].skb = NULL; np->tx_skb[i].dma = 0; np->tx_skb[i].dma_len = 0; + np->tx_skb[i].dma_single = 0; np->tx_skb[i].first_tx_desc = NULL; np->tx_skb[i].next_tx_ctx = NULL; } @@ -1930,23 +1932,30 @@ static int nv_init_ring(struct net_device *dev) return nv_alloc_rx_optimized(dev); } -static int nv_release_txskb(struct net_device *dev, struct nv_skb_map* tx_skb) +static void nv_unmap_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb) { - struct fe_priv *np = netdev_priv(dev); - if (tx_skb->dma) { - pci_unmap_page(np->pci_dev, tx_skb->dma, - tx_skb->dma_len, - PCI_DMA_TODEVICE); + if (tx_skb->dma_single) + pci_unmap_single(np->pci_dev, tx_skb->dma, + tx_skb->dma_len, + PCI_DMA_TODEVICE); + else + pci_unmap_page(np->pci_dev, tx_skb->dma, + tx_skb->dma_len, + PCI_DMA_TODEVICE); tx_skb->dma = 0; } +} + +static int nv_release_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb) +{ + nv_unmap_txskb(np, tx_skb); if (tx_skb->skb) { dev_kfree_skb_any(tx_skb->skb); tx_skb->skb = NULL; return 1; - } else { - return 0; } + return 0; } static void nv_drain_tx(struct net_device *dev) @@ -1964,10 +1973,11 @@ static void nv_drain_tx(struct net_device *dev) np->tx_ring.ex[i].bufhigh = 0; np->tx_ring.ex[i].buflow = 0; } - if (nv_release_txskb(dev, &np->tx_skb[i])) + if (nv_release_txskb(np, &np->tx_skb[i])) dev->stats.tx_dropped++; np->tx_skb[i].dma = 0; np->tx_skb[i].dma_len = 0; + np->tx_skb[i].dma_single = 0; np->tx_skb[i].first_tx_desc = NULL; np->tx_skb[i].next_tx_ctx = NULL; } @@ -2171,6 +2181,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, PCI_DMA_TODEVICE); np->put_tx_ctx->dma_len = bcnt; + np->put_tx_ctx->dma_single = 1; put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); @@ -2196,6 +2207,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, PCI_DMA_TODEVICE); np->put_tx_ctx->dma_len = bcnt; + np->put_tx_ctx->dma_single = 0; put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); @@ -2291,6 +2303,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, PCI_DMA_TODEVICE); np->put_tx_ctx->dma_len = bcnt; + np->put_tx_ctx->dma_single = 1; put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); @@ -2317,6 +2330,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, PCI_DMA_TODEVICE); np->put_tx_ctx->dma_len = bcnt; + np->put_tx_ctx->dma_single = 0; put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); @@ -2434,10 +2448,7 @@ static int nv_tx_done(struct net_device *dev, int limit) dprintk(KERN_DEBUG "%s: nv_tx_done: flags 0x%x.\n", dev->name, flags); - pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, - np->get_tx_ctx->dma_len, - PCI_DMA_TODEVICE); - np->get_tx_ctx->dma = 0; + nv_unmap_txskb(np, np->get_tx_ctx); if (np->desc_ver == DESC_VER_1) { if (flags & NV_TX_LASTPACKET) { @@ -2502,10 +2513,7 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit) dprintk(KERN_DEBUG "%s: nv_tx_done_optimized: flags 0x%x.\n", dev->name, flags); - pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, - np->get_tx_ctx->dma_len, - PCI_DMA_TODEVICE); - np->get_tx_ctx->dma = 0; + nv_unmap_txskb(np, np->get_tx_ctx); if (flags & NV_TX2_LASTPACKET) { if (!(flags & NV_TX2_ERROR)) @@ -5091,7 +5099,7 @@ static int nv_loopback_test(struct net_device *dev) dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); } - pci_unmap_page(np->pci_dev, test_dma_addr, + pci_unmap_single(np->pci_dev, test_dma_addr, (skb_end_pointer(tx_skb) - tx_skb->data), PCI_DMA_TODEVICE); dev_kfree_skb_any(tx_skb); |