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-rw-r--r--lib/packets.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/packets.h b/lib/packets.h
index 5747c42cc..26c6ff1b4 100644
--- a/lib/packets.h
+++ b/lib/packets.h
@@ -282,6 +282,11 @@ struct llc_header {
});
BUILD_ASSERT_DECL(LLC_HEADER_LEN == sizeof(struct llc_header));
+/* LLC field values used for STP frames. */
+#define STP_LLC_SSAP 0x42
+#define STP_LLC_DSAP 0x42
+#define STP_LLC_CNTL 0x03
+
#define SNAP_ORG_ETHERNET "\0\0" /* The compiler adds a null byte, so
sizeof(SNAP_ORG_ETHERNET) == 3. */
#define SNAP_HEADER_LEN 5