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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-07-04 21:06:17 +0000 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-07-05 06:15:46 +0000 |
| commit | 74371554461a5f8cc42e4828d6123febc88c1dec (patch) | |
| tree | 5f983d40f854164c5e27aefb7f54c5e5455193db /wintun.c | |
| parent | Do not use _RESOURCES but rather allocate our own copy (diff) | |
| download | wintun-74371554461a5f8cc42e4828d6123febc88c1dec.tar.xz wintun-74371554461a5f8cc42e4828d6123febc88c1dec.zip | |
Decrease alignment requirements to 4
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'wintun.c')
| -rw-r--r-- | wintun.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -32,7 +32,7 @@ #define TUN_EXCH_MAX_PACKETS 256 /* Maximum exchange packet size - empirically determined by net buffer list (pool) limitations */ #define TUN_EXCH_MAX_PACKET_SIZE 0xF000 -#define TUN_EXCH_ALIGNMENT 16 /* Memory alignment in exchange buffers */ +#define TUN_EXCH_ALIGNMENT sizeof(ULONG) /* Memory alignment in exchange buffers */ /* Maximum IP packet size (headers + payload) */ #define TUN_EXCH_MAX_IP_PACKET_SIZE (TUN_EXCH_MAX_PACKET_SIZE - sizeof(TUN_PACKET)) /* Maximum size of read/write exchange buffer */ @@ -60,7 +60,8 @@ typedef struct _TUN_PACKET { ULONG Size; /* Size of packet data (TUN_EXCH_MAX_IP_PACKET_SIZE max) */ - _Field_size_bytes_(Size) __declspec(align(TUN_EXCH_ALIGNMENT)) UCHAR Data[]; /* Packet data */ + _Field_size_bytes_(Size) + UCHAR Data[]; /* Packet data */ } TUN_PACKET; typedef enum _TUN_FLAGS |