The patch titled mac80211: tkipc.c michael.c use kernel bit rotation helpers has been removed from the -mm tree. Its filename was mac80211-tkipcc-michaelc-use-kernel-bit-rotation-helpers.patch This patch was dropped because it is obsolete The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: mac80211: tkipc.c michael.c use kernel bit rotation helpers From: Harvey Harrison <harvey.harrison@xxxxxxxxx> Use ror16, ror32, rol32 instead of a private helper. Signed-off-by: Harvey Harrison <harvey.harrison@xxxxxxxxx> Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx> Cc: John W. Linville <linville@xxxxxxxxxxxxx> Cc: Joe Perches <joe@xxxxxxxxxxx> Cc: Jiri Benc <jbenc@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- net/mac80211/michael.c | 20 ++++---------------- net/mac80211/tkip.c | 20 +++++++------------- 2 files changed, 11 insertions(+), 29 deletions(-) diff -puN net/mac80211/michael.c~mac80211-tkipcc-michaelc-use-kernel-bit-rotation-helpers net/mac80211/michael.c --- a/net/mac80211/michael.c~mac80211-tkipcc-michaelc-use-kernel-bit-rotation-helpers +++ a/net/mac80211/michael.c @@ -8,36 +8,24 @@ */ #include <linux/types.h> +#include <linux/bitops.h> #include "michael.h" -static inline u32 rotr(u32 val, int bits) -{ - return (val >> bits) | (val << (32 - bits)); -} - - -static inline u32 rotl(u32 val, int bits) -{ - return (val << bits) | (val >> (32 - bits)); -} - - static inline u32 xswap(u32 val) { return ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8); } - #define michael_block(l, r) \ do { \ - r ^= rotl(l, 17); \ + r ^= rol32(l, 17); \ l += r; \ r ^= xswap(l); \ l += r; \ - r ^= rotl(l, 3); \ + r ^= rol32(l, 3); \ l += r; \ - r ^= rotr(l, 2); \ + r ^= ror32(l, 2); \ l += r; \ } while (0) diff -puN net/mac80211/tkip.c~mac80211-tkipcc-michaelc-use-kernel-bit-rotation-helpers net/mac80211/tkip.c --- a/net/mac80211/tkip.c~mac80211-tkipcc-michaelc-use-kernel-bit-rotation-helpers +++ a/net/mac80211/tkip.c @@ -8,6 +8,7 @@ */ #include <linux/kernel.h> +#include <linux/bitops.h> #include <linux/types.h> #include <linux/netdevice.h> @@ -91,13 +92,6 @@ static inline u16 Lo16(u32 v) return v & 0xffff; } - -static inline u16 RotR1(u16 v) -{ - return (v >> 1) | ((v & 0x0001) << 15); -} - - static inline u16 tkip_S(u16 val) { u16 a = tkip_sbox[Hi8(val)]; @@ -154,12 +148,12 @@ static void tkip_mixing_phase2(const u16 ppk[3] += tkip_S(ppk[2] ^ Mk16(tk[ 7], tk[ 6])); ppk[4] += tkip_S(ppk[3] ^ Mk16(tk[ 9], tk[ 8])); ppk[5] += tkip_S(ppk[4] ^ Mk16(tk[11], tk[10])); - ppk[0] += RotR1(ppk[5] ^ Mk16(tk[13], tk[12])); - ppk[1] += RotR1(ppk[0] ^ Mk16(tk[15], tk[14])); - ppk[2] += RotR1(ppk[1]); - ppk[3] += RotR1(ppk[2]); - ppk[4] += RotR1(ppk[3]); - ppk[5] += RotR1(ppk[4]); + ppk[0] += ror16(ppk[5] ^ Mk16(tk[13], tk[12]), 1); + ppk[1] += ror16(ppk[0] ^ Mk16(tk[15], tk[14]), 1); + ppk[2] += ror16(ppk[1], 1); + ppk[3] += ror16(ppk[2], 1); + ppk[4] += ror16(ppk[3], 1); + ppk[5] += ror16(ppk[4], 1); rc4key[0] = Hi8(tsc_IV16); rc4key[1] = (Hi8(tsc_IV16) | 0x20) & 0x7f; _ Patches currently in -mm which might be from harvey.harrison@xxxxxxxxx are git-x86.patch git-alsa-tiwai.patch agp-fix-shadowed-variable-warning-in-amd-k7-agpc.patch cifs-remove-global_extern-macro.patch git-powerpc.patch power-replace-remaining-__function__-occurrences.patch git-dvb.patch git-dlm.patch git-ieee1394.patch git-infiniband.patch git-jfs.patch git-libata-all.patch git-mips.patch jffs2-include-function-prototype-for-jffs2_ioctl.patch jffs2-fix-sparse-warning-in-nodemgmtc.patch jffs2-fix-sparse-warning-in-writec.patch jffs2-fix-sparse-warnings-in-gcc.patch mtd-replace-remaining-__function__-occurrences.patch git-net.patch blackfin-replace-remaining-__function__-occurences.patch git-nfsd.patch nfs-replace-remaining-__function__-occurrences.patch parisc-replace-remaining-__function__-occurences.patch drivers-parisc-replace-remaining-__function__-occurrences.patch pcmcia-replace-remaining-__function__-occurrences.patch git-s390.patch git-scsi-misc.patch scsi-replace-remaining-__function__-occurrences.patch fusion-replace-remaining-__function__-occurrences.patch scsi-replace-__inline-with-inline.patch block-replace-remaining-__function__-occurrences.patch git-watchdog.patch mac80211-tkipcc-michaelc-use-kernel-bit-rotation-helpers.patch mac80211-tkipc-remove-opencoded-swab16-in-tkip_s.patch mac80211-tkipc-eliminate-the-hi16-lo16-functions.patch mac80211-tkipc-remove-mk16-hi8-lo8-helpers.patch mac80211-michaelc-replace-macro-with-function.patch mac80211-michaelc-use-unaligned-byteorder-helpers.patch mac80211-michaelc-fold-initial-xor-into-block-helper.patch git-xfs.patch xtensa-replace-remaining-__function__-occurences.patch remove-sparse-warning-for-mmzoneh.patch remove-sparse-warning-for-mmzoneh-checkpatch-fixes.patch input-replace-remaining-__function__-occurrences.patch smack-fix-integer-as-null-pointer-warning-in-smack_lsmc.patch alpha-remove-remaining-__function__-occurences.patch alpha-replace-__inline-with-inline.patch m68k-replace-remaining-__function__-occurences.patch uml-replace-remaining-__function__-occurences.patch adfs-work-around-bogus-sparse-warning.patch coda-add-static-to-functions-in-dirc.patch befs-fix-sparse-warning-in-linuxvfsc.patch autofs4-fix-sparse-warning-in-rootc.patch firmware-replace-remaining-__function__-occurrences.patch drivers-misc-replace-remaining-__function__-occurrences.patch ncpfs-add-prototypes-to-ncp_fsh.patch ncpfs-fix-sparse-warnings-in-ioctlc.patch ncpfs-fix-sparse-warning-in-ncpsign_kernelc.patch char-make-functions-static-in-synclinkmpc.patch spi-replace-remaining-__function__-occurrences.patch capi-fix-sparse-warnings-using-integer-as-null-pointer.patch avm-fix-sparse-warning-using-integer-as-null-pointer.patch eicon-fix-sparse-integer-as-null-pointer-warnings.patch isdn-replace-remaining-__function__-occurrences.patch xen-make-blkif_getgeo-static.patch ecryptfs-replace-remaining-__function__-occurrences.patch rtc-replace-remaining-__function__-occurrences.patch fbcon-replace-mono_col-macro-with-static-inline.patch fbcon-replace-mono_col-macro-with-static-inline-fix.patch video-replace-remaining-__function__-occurrences.patch md-fix-integer-as-null-pointer-warnings-in-mdc.patch md-replace-remaining-__function__-occurrences.patch ext2-replace-remaining-__function__-occurrences.patch ext3-replace-remaining-__function__-occurrences.patch jbd-replace-remaining-__function__-occurrences.patch ufs-replace-remaining-__function__-occurrences.patch ufs-replace-__inline-with-inline.patch udf-fix-sparse-warning-in-nameic.patch reiserfs-fix-sparse-warning-in-journalc.patch reiserfs-fix-more-sparse-warnings-in-do_balanc.patch reiserfs-replace-remaining-__function__-occurrences.patch cgroup-fix-sparse-warning-of-shadow-symbol-in-cgroupc.patch ext4-replace-remaining-__function__-occurrences.patch jdb2-replace-remaining-__function__-occurrences.patch char-fix-sparse-shadowed-variable-warnings-in-espc.patch char-espc-fix-possible-double-unlock.patch char-rocketc-fix-sparse-variable-shadowing-and-int-as-null-pointer.patch cycladesc-fix-sparse-shadowed-variable-warnings.patch epcac-static-functions-and-integer-as-null-pointer-fixes.patch epcac-static-functions-and-integer-as-null-pointer-fixes-checkpatch-fixes.patch add-macros-similar-to-min-max-min_t-max_t.patch add-macros-similar-to-min-max-min_t-max_t-doc.patch ide-eliminate-fit-macro.patch ata-remove-fit-macro.patch b43-replace-limit_value-macro-with-clamp_val.patch b43legacy-replace-limit_value-macro-with-clamp_val.patch fuse-use-clamp-rather-than-nested-min-max.patch ide-tape-use-clamp_t-rather-than-nested-min_t-max_t.patch input-ff-memlessc-use-clamp_val-macro.patch dccp-ccid2c-ccid3c-use-clamp-clamp_t.patch drivers-replace-remaining-__function__-occurrences.patch kernel-add-common-infrastructure-for-unaligned-access.patch kernel-move-arches-to-use-common-unaligned-access.patch drivers-block-use-get_unaligned_-helpers.patch hid-core-use-get_unaligned_-helpers.patch char-use-get_unaligned_-helpers.patch input-use-get_unaligned_-helpers.patch mmc-use-get-put_unaligned_-helpers.patch net-use-get-put_unaligned_-helpers.patch wireless-use-get-put_unaligned_-helpers.patch pcmcia-use-get-put_unaligned_-helpers.patch usb-use-get-put_unaligned_-helpers.patch video-use-get-put_unaligned_-helpers.patch fat-use-get-put_unaligned_-helpers.patch hfsplus-use-get-put_unaligned_-helpers.patch isofs-use-get-put_unaligned_-helpers.patch ncpfs-use-get-put_unaligned_-helpers.patch ncpfs-use-get-put_unaligned_-helpers-checkpatch-fixes.patch mm-remove-remaining-__function__-occurances.patch block-remove-remaining-__function__-occurances.patch kernel-replace-remaining-__function__-occurances.patch lib-replace-remaining-__function__-occurances.patch afs-replace-remaining-__function__-occurrences.patch fs-replace-remaining-__function__-occurrences.patch drivers-char-replace-remaining-__function__-occurrences.patch serial-replace-remaining-__function__-occurrences.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html