mac80211: path IE fields macros, fix alignment problems and clean up
Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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b4e08ea141
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a00de5d08b
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@ -7,6 +7,7 @@
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* published by the Free Software Foundation.
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*/
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#include <asm/unaligned.h>
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#include "mesh.h"
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#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype)
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@ -24,40 +25,41 @@
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/* Reply and forward */
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#define MP_F_RF 0x2
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static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
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{
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if (ae)
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offset += 6;
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return le32_to_cpu(get_unaligned((__le32 *) (preq_elem + offset)));
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}
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/* HWMP IE processing macros */
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#define AE_F (1<<6)
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#define AE_F_SET(x) (*x & AE_F)
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#define PREQ_IE_FLAGS(x) (*(x))
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#define PREQ_IE_HOPCOUNT(x) (*(x + 1))
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#define PREQ_IE_TTL(x) (*(x + 2))
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#define PREQ_IE_PREQ_ID(x) le32_to_cpu(*((__le32 *) (x + 3)))
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#define PREQ_IE_ORIG_ADDR(x) (x + 7)
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#define PREQ_IE_ORIG_DSN(x) le32_to_cpu(*((__le32 *) (x + 13)))
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#define PREQ_IE_LIFETIME(x) le32_to_cpu(*((__le32 *) \
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(AE_F_SET(x) ? x + 23 : x + 17)))
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#define PREQ_IE_METRIC(x) le32_to_cpu(*((__le32 *) \
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(AE_F_SET(x) ? x + 27 : x + 21)))
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#define PREQ_IE_DST_F(x) (*(AE_F_SET(x) ? x + 32 : x + 26))
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#define PREQ_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 33 : x + 27)
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#define PREQ_IE_DST_DSN(x) le32_to_cpu(*((__le32 *) \
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(AE_F_SET(x) ? x + 39 : x + 33)))
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#define AE_F (1<<6)
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#define AE_F_SET(x) (*x & AE_F)
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#define PREQ_IE_FLAGS(x) (*(x))
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#define PREQ_IE_HOPCOUNT(x) (*(x + 1))
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#define PREQ_IE_TTL(x) (*(x + 2))
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#define PREQ_IE_PREQ_ID(x) u32_field_get(x, 3, 0)
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#define PREQ_IE_ORIG_ADDR(x) (x + 7)
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#define PREQ_IE_ORIG_DSN(x) u32_field_get(x, 13, 0);
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#define PREQ_IE_LIFETIME(x) u32_field_get(x, 17, AE_F_SET(x));
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#define PREQ_IE_METRIC(x) u32_field_get(x, 21, AE_F_SET(x));
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#define PREQ_IE_DST_F(x) (*(AE_F_SET(x) ? x + 32 : x + 26))
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#define PREQ_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 33 : x + 27)
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#define PREQ_IE_DST_DSN(x) u32_field_get(x, 33, AE_F_SET(x));
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#define PREP_IE_FLAGS(x) PREQ_IE_FLAGS(x)
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#define PREP_IE_HOPCOUNT(x) PREQ_IE_HOPCOUNT(x)
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#define PREP_IE_TTL(x) PREQ_IE_TTL(x)
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#define PREP_IE_ORIG_ADDR(x) (x + 3)
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#define PREP_IE_ORIG_DSN(x) le32_to_cpu(*((__le32 *) (x + 9)))
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#define PREP_IE_LIFETIME(x) le32_to_cpu(*((__le32 *) \
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(AE_F_SET(x) ? x + 19 : x + 13)))
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#define PREP_IE_METRIC(x) le32_to_cpu(*((__le32 *) \
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(AE_F_SET(x) ? x + 23 : x + 17)))
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#define PREP_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 27 : x + 21)
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#define PREP_IE_DST_DSN(x) le32_to_cpu(*((__le32 *) \
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(AE_F_SET(x) ? x + 33 : x + 27)))
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#define PREP_IE_FLAGS(x) PREQ_IE_FLAGS(x)
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#define PREP_IE_HOPCOUNT(x) PREQ_IE_HOPCOUNT(x)
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#define PREP_IE_TTL(x) PREQ_IE_TTL(x)
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#define PREP_IE_ORIG_ADDR(x) (x + 3)
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#define PREP_IE_ORIG_DSN(x) u32_field_get(x, 9, 0);
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#define PREP_IE_LIFETIME(x) u32_field_get(x, 13, AE_F_SET(x));
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#define PREP_IE_METRIC(x) u32_field_get(x, 17, AE_F_SET(x));
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#define PREP_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 27 : x + 21)
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#define PREP_IE_DST_DSN(x) u32_field_get(x, 27, AE_F_SET(x));
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#define PERR_IE_DST_ADDR(x) (x + 2)
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#define PERR_IE_DST_DSN(x) le32_to_cpu(*((__le32 *) (x + 8)))
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#define PERR_IE_DST_ADDR(x) (x + 2)
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#define PERR_IE_DST_DSN(x) u32_field_get(x, 8, 0);
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#define TU_TO_EXP_TIME(x) (jiffies + msecs_to_jiffies(x * 1024 / 1000))
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#define MSEC_TO_TU(x) (x*1000/1024)
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