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	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
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				@ -401,7 +401,7 @@ $(eval $(call KernelPackage,crypto-misc))
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define KernelPackage/crypto-ocf
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  TITLE:=OCF modules
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  DEPENDS:=+@OPENSSL_ENGINE @!TARGET_uml +kmod-crypto-manager @!LINUX_3_2||BROKEN
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  DEPENDS:=+@OPENSSL_ENGINE @!TARGET_uml +kmod-crypto-manager
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  KCONFIG:= \
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	CONFIG_OCF_OCF \
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	CONFIG_OCF_CRYPTODEV \
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@ -592,13 +592,13 @@ c7108_process(void *arg, struct cryptop *crp, int hint)
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			 i < skb_shinfo(skb)->nr_frags &&
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			 sg_num < SCATTERLIST_MAX; i++) {
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		    if (skip < skb_shinfo(skb)->frags[i].size) {
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			//sg[sg_num].page   = skb_shinfo(skb)->frags[i].page;
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			//sg[sg_num].page   = skb_frag_page(&kb_shinfo(skb)->frags[i]);
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			//sg[sg_num].offset = skb_shinfo(skb)->frags[i].page_offset + skip;
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			len = skb_shinfo(skb)->frags[i].size - skip;
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			if (len + sg_len > crd->crd_len)
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			    len = crd->crd_len - sg_len;
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			//sg[sg_num].length = len;
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			sg_set_page(&sg[sg_num], skb_shinfo(skb)->frags[i].page, len, skb_shinfo(skb)->frags[i].page_offset + skip);
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			sg_set_page(&sg[sg_num], skb_frag_page(&skb_shinfo(skb)->frags[i]), len, skb_shinfo(skb)->frags[i].page_offset + skip);
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			sg_len += sg[sg_num].length;
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			sg_num++;
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			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)
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	offset -= skb_headlen(skb);
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	for (i = 0; len > 0 && i < skb_shinfo(skb)->nr_frags; i++) {
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		if (offset < skb_shinfo(skb)->frags[i].size) {
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			memcpy(page_address(skb_shinfo(skb)->frags[i].page) +
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			memcpy(page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
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					skb_shinfo(skb)->frags[i].page_offset,
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					cp, min_t(int, skb_shinfo(skb)->frags[i].size, len));
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			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)
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		for (i = 0; i < skb_shinfo(skb)->nr_frags && sg_num < SCATTERLIST_MAX;
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				i++) {
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			len = skb_shinfo(skb)->frags[i].size;
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			sg_set_page(&sg[sg_num], skb_shinfo(skb)->frags[i].page,
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			sg_set_page(&sg[sg_num], skb_frag_page(&skb_shinfo(skb)->frags[i]),
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					len, skb_shinfo(skb)->frags[i].page_offset);
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			sg_len += len;
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			sg_num++;
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@ -777,7 +777,7 @@ static void swcr_process_req(struct swcr_req *req)
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				if (len + sg_len > crd->crd_len)
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					len = crd->crd_len - sg_len;
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				sg_set_page(&req->sg[sg_num],
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					skb_shinfo(skb)->frags[i].page,
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					skb_frag_page(&skb_shinfo(skb)->frags[i]),
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					len,
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					skb_shinfo(skb)->frags[i].page_offset + skip);
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				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)
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	for (i = 0; i < skb_shinfo(skb)->nr_frags; ) {
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		buf->segs[buf->nsegs].ds_len = skb_shinfo(skb)->frags[i].size;
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		buf->segs[buf->nsegs].ds_addr = pci_map_single(sc->sc_pcidev,
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				page_address(skb_shinfo(skb)->frags[i].page) +
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				page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
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					skb_shinfo(skb)->frags[i].page_offset,
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				buf->segs[buf->nsegs].ds_len, PCI_DMA_BIDIRECTIONAL);
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		buf->mapsize += buf->segs[buf->nsegs].ds_len;
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@ -359,6 +359,15 @@ static inline int ocf_run_thread(void *arg)
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#include <linux/kthread.h>
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#endif
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#include <linux/skbuff.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)
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static inline struct page *skb_frag_page(const skb_frag_t *frag)
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{
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	return frag->page;
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}
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#endif
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#endif /* __KERNEL__ */
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/****************************************************************************/
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@ -208,7 +208,7 @@ pci_map_skb(struct safe_softc *sc,struct safe_operand *buf,struct sk_buff *skb)
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	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
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		pci_map_linear(sc, buf,
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				page_address(skb_shinfo(skb)->frags[i].page) +
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				page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
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				                        skb_shinfo(skb)->frags[i].page_offset,
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				skb_shinfo(skb)->frags[i].size);
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	}
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@ -297,18 +297,18 @@ dma_map_skb(struct ubsec_softc *sc, struct ubsec_dma_alloc* q_map, struct sk_buf
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#ifdef UBSEC_VERBOSE_DEBUG
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        DPRINTF("%s - map %d 0x%x %d\n", __FUNCTION__, i + 1, 
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            (unsigned int)page_address(skb_shinfo(skb)->frags[i].page) +
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            (unsigned int)page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
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            skb_shinfo(skb)->frags[i].page_offset, skb_shinfo(skb)->frags[i].size);
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#endif
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        tmp = dma_map_single(sc->sc_dv,
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                             page_address(skb_shinfo(skb)->frags[i].page) +
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                             page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
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                                 skb_shinfo(skb)->frags[i].page_offset, 
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                             skb_shinfo(skb)->frags[i].size,
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                             DMA_BIDIRECTIONAL);
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        q_map[i + 1].dma_paddr = tmp;
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        q_map[i + 1].dma_vaddr = (void*)(page_address(skb_shinfo(skb)->frags[i].page) +
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        q_map[i + 1].dma_vaddr = (void*)(page_address(skb_frag_page(&skb_shinfo(skb)->frags[i])) +
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                                  skb_shinfo(skb)->frags[i].page_offset);
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        q_map[i + 1].dma_size = skb_shinfo(skb)->frags[i].size;
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