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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /net/core/skb_dma_map.c
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (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: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'net/core/skb_dma_map.c')
-rw-r--r--net/core/skb_dma_map.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
deleted file mode 100644
index 79687dfd695..00000000000
--- a/net/core/skb_dma_map.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* skb_dma_map.c: DMA mapping helpers for socket buffers.
- *
- * Copyright (C) David S. Miller <davem@davemloft.net>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-#include <linux/skbuff.h>
-
-int skb_dma_map(struct device *dev, struct sk_buff *skb,
- enum dma_data_direction dir)
-{
- struct skb_shared_info *sp = skb_shinfo(skb);
- dma_addr_t map;
- int i;
-
- map = dma_map_single(dev, skb->data,
- skb_headlen(skb), dir);
- if (dma_mapping_error(dev, map))
- goto out_err;
-
- sp->dma_head = map;
- for (i = 0; i < sp->nr_frags; i++) {
- skb_frag_t *fp = &sp->frags[i];
-
- map = dma_map_page(dev, fp->page, fp->page_offset,
- fp->size, dir);
- if (dma_mapping_error(dev, map))
- goto unwind;
- sp->dma_maps[i] = map;
- }
-
- return 0;
-
-unwind:
- while (--i >= 0) {
- skb_frag_t *fp = &sp->frags[i];
-
- dma_unmap_page(dev, sp->dma_maps[i],
- fp->size, dir);
- }
- dma_unmap_single(dev, sp->dma_head,
- skb_headlen(skb), dir);
-out_err:
- return -ENOMEM;
-}
-EXPORT_SYMBOL(skb_dma_map);
-
-void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
- enum dma_data_direction dir)
-{
- struct skb_shared_info *sp = skb_shinfo(skb);
- int i;
-
- dma_unmap_single(dev, sp->dma_head,
- skb_headlen(skb), dir);
- for (i = 0; i < sp->nr_frags; i++) {
- skb_frag_t *fp = &sp->frags[i];
-
- dma_unmap_page(dev, sp->dma_maps[i],
- fp->size, dir);
- }
-}
-EXPORT_SYMBOL(skb_dma_unmap);