add gsm48_pdisc_names and gsm48_pdisc_name()
I often want to log the protocol discriminator in the openbsc debug log. It's
more useful to get the name directly instead of looking it up every time.
Change-Id: I0f053e2a4360b27ffccda7cf82469fb1b1cbb3ae
diff --git a/include/osmocom/gsm/protocol/gsm_04_08.h b/include/osmocom/gsm/protocol/gsm_04_08.h
index 522015a..87debba 100644
--- a/include/osmocom/gsm/protocol/gsm_04_08.h
+++ b/include/osmocom/gsm/protocol/gsm_04_08.h
@@ -926,6 +926,10 @@
#define GSM48_PDISC_MASK 0x0f
#define GSM48_PDISC_USSD 0x11
+extern const struct value_string gsm48_pdisc_names[];
+static inline const char *gsm48_pdisc_name(uint8_t val)
+{ return get_value_string(gsm48_pdisc_names, val); }
+
bool gsm48_hdr_gmm_cipherable(const struct gsm48_hdr *hdr);
static inline uint8_t gsm48_hdr_pdisc(const struct gsm48_hdr *hdr)