kernel: fix OCF for linux 3.2

Add skb_frag_page from 3.2 to OCF for 3.1 and earlier and use it.

SVN-Revision: 29818
This commit is contained in:
Jonas Gorski 2012-01-19 19:51:54 +00:00
parent 9fd3886365
commit aa8f9171f2
9 changed files with 20 additions and 11 deletions

View file

@ -401,7 +401,7 @@ $(eval $(call KernelPackage,crypto-misc))
define KernelPackage/crypto-ocf define KernelPackage/crypto-ocf
TITLE:=OCF modules TITLE:=OCF modules
DEPENDS:=+@OPENSSL_ENGINE @!TARGET_uml +kmod-crypto-manager @!LINUX_3_2||BROKEN DEPENDS:=+@OPENSSL_ENGINE @!TARGET_uml +kmod-crypto-manager
KCONFIG:= \ KCONFIG:= \
CONFIG_OCF_OCF \ CONFIG_OCF_OCF \
CONFIG_OCF_CRYPTODEV \ CONFIG_OCF_CRYPTODEV \

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@ -592,13 +592,13 @@ c7108_process(void *arg, struct cryptop *crp, int hint)
i < skb_shinfo(skb)->nr_frags && i < skb_shinfo(skb)->nr_frags &&
sg_num < SCATTERLIST_MAX; i++) { sg_num < SCATTERLIST_MAX; i++) {
if (skip < skb_shinfo(skb)->frags[i].size) { if (skip < skb_shinfo(skb)->frags[i].size) {
//sg[sg_num].page = skb_shinfo(skb)->frags[i].page; //sg[sg_num].page = skb_frag_page(&kb_shinfo(skb)->frags[i]);
//sg[sg_num].offset = skb_shinfo(skb)->frags[i].page_offset + skip; //sg[sg_num].offset = skb_shinfo(skb)->frags[i].page_offset + skip;
len = skb_shinfo(skb)->frags[i].size - skip; len = skb_shinfo(skb)->frags[i].size - skip;
if (len + sg_len > crd->crd_len) if (len + sg_len > crd->crd_len)
len = crd->crd_len - sg_len; len = crd->crd_len - sg_len;
//sg[sg_num].length = len; //sg[sg_num].length = len;
sg_set_page(&sg[sg_num], skb_shinfo(skb)->frags[i].page, len, skb_shinfo(skb)->frags[i].page_offset + skip); sg_set_page(&sg[sg_num], skb_frag_page(&skb_shinfo(skb)->frags[i]), len, skb_shinfo(skb)->frags[i].page_offset + skip);
sg_len += sg[sg_num].length; sg_len += sg[sg_num].length;
sg_num++; sg_num++;
skip = 0; skip = 0;

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@ -156,7 +156,7 @@ skb_copy_bits_back(struct sk_buff *skb, int offset, caddr_t cp, int len)
offset -= skb_headlen(skb); offset -= skb_headlen(skb);
for (i = 0; len > 0 && i < skb_shinfo(skb)->nr_frags; i++) { for (i = 0; len > 0 && i < skb_shinfo(skb)->nr_frags; i++) {
if (offset < skb_shinfo(skb)->frags[i].size) { if (offset < skb_shinfo(skb)->frags[i].size) {
memcpy(page_address(skb_shinfo(skb)->frags[i].page) + memcpy(page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].page_offset,
cp, min_t(int, skb_shinfo(skb)->frags[i].size, len)); cp, min_t(int, skb_shinfo(skb)->frags[i].size, len));
len -= skb_shinfo(skb)->frags[i].size; len -= skb_shinfo(skb)->frags[i].size;

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@ -473,7 +473,7 @@ octo_process(device_t dev, struct cryptop *crp, int hint)
for (i = 0; i < skb_shinfo(skb)->nr_frags && sg_num < SCATTERLIST_MAX; for (i = 0; i < skb_shinfo(skb)->nr_frags && sg_num < SCATTERLIST_MAX;
i++) { i++) {
len = skb_shinfo(skb)->frags[i].size; len = skb_shinfo(skb)->frags[i].size;
sg_set_page(&sg[sg_num], skb_shinfo(skb)->frags[i].page, sg_set_page(&sg[sg_num], skb_frag_page(&skb_shinfo(skb)->frags[i]),
len, skb_shinfo(skb)->frags[i].page_offset); len, skb_shinfo(skb)->frags[i].page_offset);
sg_len += len; sg_len += len;
sg_num++; sg_num++;

View file

@ -777,7 +777,7 @@ static void swcr_process_req(struct swcr_req *req)
if (len + sg_len > crd->crd_len) if (len + sg_len > crd->crd_len)
len = crd->crd_len - sg_len; len = crd->crd_len - sg_len;
sg_set_page(&req->sg[sg_num], sg_set_page(&req->sg[sg_num],
skb_shinfo(skb)->frags[i].page, skb_frag_page(&skb_shinfo(skb)->frags[i]),
len, len,
skb_shinfo(skb)->frags[i].page_offset + skip); skb_shinfo(skb)->frags[i].page_offset + skip);
sg_len += len; sg_len += len;

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@ -241,7 +241,7 @@ pci_map_skb(struct hifn_softc *sc,struct hifn_operand *buf,struct sk_buff *skb)
for (i = 0; i < skb_shinfo(skb)->nr_frags; ) { for (i = 0; i < skb_shinfo(skb)->nr_frags; ) {
buf->segs[buf->nsegs].ds_len = skb_shinfo(skb)->frags[i].size; buf->segs[buf->nsegs].ds_len = skb_shinfo(skb)->frags[i].size;
buf->segs[buf->nsegs].ds_addr = pci_map_single(sc->sc_pcidev, buf->segs[buf->nsegs].ds_addr = pci_map_single(sc->sc_pcidev,
page_address(skb_shinfo(skb)->frags[i].page) + page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].page_offset,
buf->segs[buf->nsegs].ds_len, PCI_DMA_BIDIRECTIONAL); buf->segs[buf->nsegs].ds_len, PCI_DMA_BIDIRECTIONAL);
buf->mapsize += buf->segs[buf->nsegs].ds_len; buf->mapsize += buf->segs[buf->nsegs].ds_len;

View file

@ -359,6 +359,15 @@ static inline int ocf_run_thread(void *arg)
#include <linux/kthread.h> #include <linux/kthread.h>
#endif #endif
#include <linux/skbuff.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)
static inline struct page *skb_frag_page(const skb_frag_t *frag)
{
return frag->page;
}
#endif
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */
/****************************************************************************/ /****************************************************************************/

View file

@ -208,7 +208,7 @@ pci_map_skb(struct safe_softc *sc,struct safe_operand *buf,struct sk_buff *skb)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
pci_map_linear(sc, buf, pci_map_linear(sc, buf,
page_address(skb_shinfo(skb)->frags[i].page) + page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].page_offset,
skb_shinfo(skb)->frags[i].size); skb_shinfo(skb)->frags[i].size);
} }

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@ -297,18 +297,18 @@ dma_map_skb(struct ubsec_softc *sc, struct ubsec_dma_alloc* q_map, struct sk_buf
#ifdef UBSEC_VERBOSE_DEBUG #ifdef UBSEC_VERBOSE_DEBUG
DPRINTF("%s - map %d 0x%x %d\n", __FUNCTION__, i + 1, DPRINTF("%s - map %d 0x%x %d\n", __FUNCTION__, i + 1,
(unsigned int)page_address(skb_shinfo(skb)->frags[i].page) + (unsigned int)page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].size); skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].size);
#endif #endif
tmp = dma_map_single(sc->sc_dv, tmp = dma_map_single(sc->sc_dv,
page_address(skb_shinfo(skb)->frags[i].page) + page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].page_offset,
skb_shinfo(skb)->frags[i].size, skb_shinfo(skb)->frags[i].size,
DMA_BIDIRECTIONAL); DMA_BIDIRECTIONAL);
q_map[i + 1].dma_paddr = tmp; q_map[i + 1].dma_paddr = tmp;
q_map[i + 1].dma_vaddr = (void*)(page_address(skb_shinfo(skb)->frags[i].page) + q_map[i + 1].dma_vaddr = (void*)(page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
skb_shinfo(skb)->frags[i].page_offset); skb_shinfo(skb)->frags[i].page_offset);
q_map[i + 1].dma_size = skb_shinfo(skb)->frags[i].size; q_map[i + 1].dma_size = skb_shinfo(skb)->frags[i].size;