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-rw-r--r--src/osmo-bts-sysmo/femtobts.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/osmo-bts-sysmo/femtobts.h b/src/osmo-bts-sysmo/femtobts.h
index fd5142bc..a880562d 100644
--- a/src/osmo-bts-sysmo/femtobts.h
+++ b/src/osmo-bts-sysmo/femtobts.h
@@ -21,6 +21,14 @@
#define SUPERFEMTO_API_VERSION SUPERFEMTO_API(2,2,0)
#endif
+/*
+ * Depending on the firmware version either GsmL1_Prim_t or SuperFemto_Prim_t
+ * is the bigger struct. For earlier firmware versions the GsmL1_Prim_t was the
+ * bigger struct.
+ */
+#define SYSMOBTS_PRIM_SIZE \
+ (OSMO_MAX(sizeof(SuperFemto_Prim_t), sizeof(GsmL1_Prim_t)) + 128)
+
enum l1prim_type {
L1P_T_REQ,
L1P_T_CONF,