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* [IPSEC]: Merge most of the output pathHerbert Xu2008-01-28
| | | | | | | | | | | | As part of the work on asynchrnous cryptographic operations, we need to be able to resume from the spot where they occur. As such, it helps if we isolate them to one spot. This patch moves most of the remaining family-specific processing into the common output code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Add ip6_local_outHerbert Xu2008-01-28
| | | | | | | | | | | | | | Most callers of the LOCAL_OUT chain will set the IP packet length before doing so. They also share the same output function dst_output. This patch creates a new function called ip6_local_out which does all of that and converts the appropriate users over to it. Apart from removing duplicate code, it will also help in merging the IPsec output path. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Add ip_local_outHerbert Xu2008-01-28
| | | | | | | | | | | | | | | Most callers of the LOCAL_OUT chain will set the IP packet length and header checksum before doing so. They also share the same output function dst_output. This patch creates a new function called ip_local_out which does all of that and converts the appropriate users over to it. Apart from removing duplicate code, it will also help in merging the IPsec output path once the same thing is done for IPv6. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Separate inner/outer mode processing on inputHerbert Xu2008-01-28
| | | | | | | | | | | | | | | | | | | With inter-family transforms the inner mode differs from the outer mode. Attempting to handle both sides from the same function means that it needs to handle both IPv4 and IPv6 which creates duplication and confusion. This patch separates the two parts on the input path so that each function deals with one family only. In particular, the functions xfrm4_extract_inut/xfrm6_extract_inut moves the pertinent fields from the IPv4/IPv6 IP headers into a neutral format stored in skb->cb. This is then used by the inner mode input functions to modify the inner IP header. In this way the input function no longer has to know about the outer address family. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Separate inner/outer mode processing on outputHerbert Xu2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | | With inter-family transforms the inner mode differs from the outer mode. Attempting to handle both sides from the same function means that it needs to handle both IPv4 and IPv6 which creates duplication and confusion. This patch separates the two parts on the output path so that each function deals with one family only. In particular, the functions xfrm4_extract_output/xfrm6_extract_output moves the pertinent fields from the IPv4/IPv6 IP headers into a neutral format stored in skb->cb. This is then used by the outer mode output functions to write the outer IP header. In this way the output function no longer has to know about the inner address family. Since the extract functions are only called by tunnel modes (the only modes that can support inter-family transforms), I've also moved the xfrm*_tunnel_check_size calls into them. This allows the correct ICMP message to be sent as opposed to now where you might call icmp_send with an IPv6 packet and vice versa. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Give outer DSCP directly to ip*_copy_dscpHerbert Xu2008-01-28
| | | | | | | | | This patch changes the prototype of ipv4_copy_dscp and ipv6_copy_dscp so that they directly take the outer DSCP rather than the outer IP header. This will help us to unify the code for inter-family tunnels. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Merge common code into xfrm_bundle_createHerbert Xu2008-01-28
| | | | | | | | | | | | | | | | Half of the code in xfrm4_bundle_create and xfrm6_bundle_create are common. This patch extracts that logic and puts it into xfrm_bundle_create. The rest of it are then accessed through afinfo. As a result this fixes the problem with inter-family transforms where we treat every xfrm dst in the bundle as if it belongs to the top family. This patch also fixes a long-standing error-path bug where we may free the xfrm states twice. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Move flow construction into xfrm_dst_lookupHerbert Xu2008-01-28
| | | | | | | | | | | | | | This patch moves the flow construction from the callers of xfrm_dst_lookup into that function. It also changes xfrm_dst_lookup so that it takes an xfrm state as its argument instead of explicit addresses. This removes any address-specific logic from the callers of xfrm_dst_lookup which is needed to correctly support inter-family transforms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Replace x->type->{local,remote}_addr with flagsHerbert Xu2008-01-28
| | | | | | | | | | The functions local_addr and remote_addr are more than what they're needed for. The same thing can be done easily with flags on the type object. This patch does that and simplifies the wrapper functions in xfrm6_policy accordingly. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Remove unnecessary inclusion of dst.hHerbert Xu2008-01-28
| | | | | | | | | The file net/netevent.h only refers to struct dst_entry * so it doesn't need to include dst.h. I've replaced it with a forward declaration. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Eliminate duplicate copies of dst_discardHerbert Xu2008-01-28
| | | | | | | | | | | | | | | | | | | | | We have a number of copies of dst_discard scattered around the place which all do the same thing, namely free a packet on the input or output paths. This patch deletes all of them except dst_discard and points all the users to it. The only non-trivial bit is decnet where it returns an error. However, conceptually this is identical to the blackhole functions used in IPv4 and IPv6 which do not return errors. So they should either all return errors or all return zero. For now I've stuck with the majority and picked zero as the return value. It doesn't really matter in practice since few if any driver would react differently depending on a zero return value or NET_RX_DROP. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Move nfheader_len into rt6_infoHerbert Xu2008-01-28
| | | | | | | | | | | The dst member nfheader_len is only used by IPv6. It's also currently creating a rather ugly alignment hole in struct dst. Therefore this patch moves it from there into struct rt6_info. It also reorders the fields in rt6_info to minimize holes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Add raw drops counter.Wang Chen2008-01-28
| | | | | | | Add raw drops counter for IPv4 in /proc/net/raw . Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Splice receive support.Jens Axboe2008-01-28
| | | | | | | Support for network splice receive. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPLICE]: Don't assume regular pages in splice_to_pipe()Jens Axboe2008-01-28
| | | | | | | | | Allow caller to pass in a release function, there might be other resources that need releasing as well. Needed for network receive. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2008-01-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits) sh: add spi header and r2d platform data V3 sh: update r7780rp interrupt code sh: remove consistent alloc stuff from the machine vector sh: use declared coherent memory for dreamcast pci ethernet adapter sh: declared coherent memory support V2 sh: Add support for SDK7780 board. sh: constify function pointer tables sh: Kill off -traditional for linker script. cdrom: Add support for Sega Dreamcast GD-ROM. sh: Kill off hs7751rvoip reference from arch/sh/Kconfig. sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default. sh: Kill off dead HS771RVoIP board support. sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch. sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors. sh: r2d - enable sm501 usb host function sh: remove voyagergx sh: r2d - add lcd planel timings to sm501 platform data sh: Add OHCI and UDC platform devices for SH7720. sh: intc - remove default interrupt priority tables sh: Correct pte size mismatch for X2 TLB. ...
| * sh: add spi header and r2d platform data V3Magnus Damm2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds the header file asm/spi.h and board specific code for the r2d board. The header file contains a structure that should be used to point out a single spi bus. The board specific code for r2d is updated with such a structure for the new spi_sh_sci driver. The structure contains a chip select callback plus information about the R9701 rtc chip which is attached to the spi bus. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: update r7780rp interrupt codeMagnus Damm2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates the board specific irq code for r7780rp. The new code is very similar to the other highlander implementations, with the exception that the r7780rp handles pci interrupts using IRL. To simplify the pci code and use the same interrupt numbers as r7780mp and r7785rp we hook in to the cpu specific pci vectors. The pci interrupts and the push switch all work well with and without this patch. CF and AX88796 are not ok though and the source of the problem is unknown at this point. The AX88796 does for not detect it's proper mac address (IPL gets it right) and the kernel hangs on CF access. As a workaround this patch removes the CF and the AX88796 from the platform datain case of r7780rp. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: remove consistent alloc stuff from the machine vectorMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | Now with the voyagergx cruft gone and the dreamcast using declared coherent memory for pci there are no users of the consistent alloc and free functions pointers in the machine vector. So this little patch simply removes these function pointers from the macvec. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: declared coherent memory support V2Magnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds declared coherent memory support to the sh architecture. All functions are based on the x86 implementation. Header files are adjusted to use the new functions instead of the former consistent_alloc() code. This version includes the few changes what were included in the fix patch together with modifications based on feedback from Paul. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add support for SDK7780 board.Nicholas Beck2008-01-27
| | | | | | | | | | | | | | Add support for Renesas Technology Europe SDK7780 board. Signed-off-by: Nicholas Beck <nbeck@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Kill off dead HS771RVoIP board support.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: remove voyagergxMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | This patch removes redundant irq handling code together with unused consistent alloc code. R2D uart setup code is changed to use sm501-regs.h and unused header files are removed. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: intc - remove default interrupt priority tablesMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes interrupt priority tables from the intc code. Optimal priority assignment varies with embedded application anyway, so keeping the interrupt priority tables together with cpu-specific code doesn't make sense. The function intc_set_priority() should be used instead to set the desired interrupt priority level. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix posix_types.h userspace breakage from sh64 merge.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: sh7712 clock supportAndrew Murray2008-01-27
| | | | | | | | | | | | | | This patch provides specific clock support for the SH7712. Signed-off-by: Andrew Murray <amurray@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add support for SH7763 CPU subtype.Yoshihiro Shimoda2008-01-27
| | | | | | | | | | Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix get_user()/put_user() build error.Paul Mundt2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes the build error caused by -Werror on gcc 3.x compilers: arch/sh/kernel/signal_32.c: In function `sys_sigaction': arch/sh/kernel/signal_32.c:66: warning: initialization discards qualifiers from pointer target type arch/sh/kernel/signal_32.c:67: warning: initialization discards qualifiers from pointer target type arch/sh/kernel/signal_32.c:69: warning: initialization discards qualifiers from pointer target type arch/sh/kernel/signal_32.c:70: warning: initialization discards qualifiers from pointer target type The mismatch in question was introduced by commit-id 9c5a4eec79b3eb8876d2e7fddfa1e040a7650e55. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add support for SH7721 CPU subtype.Yoshihiro Shimoda2008-01-27
| | | | | | | | | | Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Always use CONFIG_HZ for HZ.Paul Mundt2008-01-27
| | | | | | | | | | | | | | | | | | | | | | Currently the wdt forces HZ=1000 and sidesteps CONFIG_HZ completely. This is a remnant from when HZ was hardcoded and before CONFIG_HZ was introduced. Additionally, not all of the timers have this requirement these days, so it's also an artificial limitation. Just kill it off and use CONFIG_HZ directly. Reported-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: include/asm-sh/: Spelling fixes.Joe Perches2008-01-27
| | | | | | | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix up binfmt_flat compile warnings.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Kill off pgtable.h from scatterlist.h.Paul Mundt2008-01-27
| | | | | | | | | | | | Fixes up the mmc build. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix up switch_to() type casts.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Stub in page_table_range_init() on nommu.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Kill off superfluous __KERNEL__ check in asm/elf.h.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Provide the FPSCR init through AT_FPUCW.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Use utsname()->machine for ELF_PLATFORM.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Encode L1/L2 cache shape in auxvt.Paul Mundt2008-01-27
| | | | | | | | | | | | | | | | | | This adds in the L1I/L1D/L2 cache shape support to their respective entries in the ELF auxvt, based on the Alpha implementation. We use this on the userspace libc side for calculating a tightly packed SHMLBA amongst other things. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Support denormalization on SH-4 FPU.Stuart Menefy2008-01-27
| | | | | | | | | | Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: get_user fixes and nommu consolidation.Stuart Menefy2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a get_user(to, from++) is called the pointer increment is performed after its first usage, in the specific after the __add_ok invokation. This causes a wrong get_user return value, putting a wrong character in the destination variable. This patch solves the problem using a new temporary pointer. Additionally this reworks the use of the register banks, allowing for consolidation between the MMU and nommu implementations. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com> Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Document PTEL 31:29 use on PTEA-wielding parts.Stuart Menefy2008-01-27
| | | | | | | | | | Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Clean up places that make 29-bit physical assumptions.Stuart Menefy2008-01-27
| | | | | | | | | | Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Preparation for uncached jumps through PMB.Stuart Menefy2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | Presently most of the 29-bit physical parts do P1/P2 segmentation with a 1:1 cached/uncached mapping, jumping between the two to control the caching behaviour. This provides the basic infrastructure to maintain this behaviour on 32-bit physical parts that don't map P1/P2 at all, using a shiny new linker section and corresponding fixmap entry. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: GUSA atomic rollback support.Stuart Menefy2008-01-27
| | | | | | | | | | | | | | | | | | | | This implements kernel-level atomic rollback built on top of gUSA, as an alternative non-IRQ based atomicity method. This is generally a faster method for platforms that are lacking the LL/SC pairs that SH-4A and later use, and is only supportable on legacy cores. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: comment tidying for sh64->sh migration.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * rtc: rtc-sh: Split out the CPU defs to asm/cpu/.Paul Mundt2008-01-27
| | | | | | | | | | | | | | | | | | | | | | With all of the different CPU types this was getting a but unwieldly. Since sh64 is now integrated, we don't have to worry about multiple architectures caring about the header definitions. Split out the defs for each asm/cpu/ to make rtc-sh slightly less visually offensive. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: CCR1->CCR renaming for SH-2 parts.Paul Mundt2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid namespace collision with a CCR1 definition. The general SH code always expects CCR anyways, so there's no point in keeping the CCR1 naming around. Fixes up synclink collisions: drivers/char/pcmcia/synclink_cs.c:283:1: warning: "CCR1" redefined In file included from include/asm/cache.h:13, from include/asm/processor_32.h:15, from include/asm/processor.h:60, from include/linux/prefetch.h:14, from include/linux/list.h:8, from include/linux/module.h:9, from drivers/char/pcmcia/synclink_cs.c:38: include/asm/cpu/cache.h:21:1: warning: this is the location of the previous definition Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Bump up ARCH_KMALLOC_MINALIGN for DMA cases.Paul Mundt2008-01-27
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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