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Diffstat (limited to 'tools/lib/bpf/libbpf_utils.c')
-rw-r--r--tools/lib/bpf/libbpf_utils.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/tools/lib/bpf/libbpf_utils.c b/tools/lib/bpf/libbpf_utils.c
index f8290a0b3aaf..2bae8cafc077 100644
--- a/tools/lib/bpf/libbpf_utils.c
+++ b/tools/lib/bpf/libbpf_utils.c
@@ -13,7 +13,6 @@
#include <errno.h>
#include <inttypes.h>
#include <linux/kernel.h>
-#include <linux/unaligned.h>
#include "libbpf.h"
#include "libbpf_internal.h"
@@ -149,6 +148,16 @@ const char *libbpf_errstr(int err)
}
}
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpacked"
+struct __packed_u32 { __u32 __val; } __attribute__((packed));
+#pragma GCC diagnostic pop
+
+#define get_unaligned_be32(p) be32_to_cpu((((struct __packed_u32 *)(p))->__val))
+#define put_unaligned_be32(v, p) do { \
+ ((struct __packed_u32 *)(p))->__val = cpu_to_be32(v); \
+} while (0)
+
#define SHA256_BLOCK_LENGTH 64
#define Ch(x, y, z) (((x) & (y)) ^ (~(x) & (z)))
#define Maj(x, y, z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
@@ -232,7 +241,7 @@ void libbpf_sha256(const void *data, size_t len, __u8 out[SHA256_DIGEST_LENGTH])
memcpy(final_data, data + len - final_len, final_len);
final_data[final_len] = 0x80;
- final_len = round_up(final_len + 9, SHA256_BLOCK_LENGTH);
+ final_len = roundup(final_len + 9, SHA256_BLOCK_LENGTH);
memcpy(&final_data[final_len - 8], &bitcount, 8);
sha256_blocks(state, final_data, final_len / SHA256_BLOCK_LENGTH);