gmm: Store received PDP Ctx Status and List of Receive N-PDU Numbers

Those IEs are aimed at upper layers (SM, SNDCP) and will be relayed in
follow-up patches.

Change-Id: I3a43b5e0417796f7dce4010cd6a6d3fd2d9c543e
---
M include/osmocom/gprs/gmm/gmm_private.h
M src/gmm/gmm.c
M src/gmm/gmm_pdu.c
3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/include/osmocom/gprs/gmm/gmm_private.h b/include/osmocom/gprs/gmm/gmm_private.h
index 66ea8d7..46795c8 100644
--- a/include/osmocom/gprs/gmm/gmm_private.h
+++ b/include/osmocom/gprs/gmm/gmm_private.h
@@ -66,6 +66,10 @@
 
 	uint8_t radio_prio;	/* TS 24.008 10.5.7.2 */
 	struct gprs_ra_id ra; /* TS 24.008  10.5.5.15 (decoded) */
+	uint8_t pdp_ctx_status[2]; /* TS 24.008 10.5.7.1 */
+	bool rx_npdu_numbers_list_present;
+	uint8_t rx_npdu_numbers_list[17]; /* TS 24.008 10.5.5.11 */
+	uint8_t rx_npdu_numbers_list_len; /* bitmask TS 24.008 10.5.5.11 */
 
 	struct {
 		/* Input params received from network: */
diff --git a/src/gmm/gmm.c b/src/gmm/gmm.c
index 8a293a3..6eaf461 100644
--- a/src/gmm/gmm.c
+++ b/src/gmm/gmm.c
@@ -1084,7 +1084,17 @@
 			/* TODO: */
 		}
 
-		/* 10.5.5.11 List of Receive N-PDU Numbers: TODO */
+		/* 10.5.5.11 List of Receive N-PDU Numbers: */
+		if (TLVP_PRES_LEN(&tp, GSM48_IE_GMM_RX_NPDU_NUM_LIST, 2)) {
+			unsigned int ie_len = TLVP_LEN(&tp, GSM48_IE_GMM_RX_NPDU_NUM_LIST);
+			if (ie_len > sizeof(gmme->rx_npdu_numbers_list))
+				ie_len = sizeof(gmme->rx_npdu_numbers_list);
+			gmme->rx_npdu_numbers_list_present = true;
+			gmme->rx_npdu_numbers_list_len = ie_len;
+			memcpy(gmme->rx_npdu_numbers_list, TLVP_VAL(&tp, GSM48_IE_GMM_RX_NPDU_NUM_LIST), ie_len);
+		} else {
+			gmme->rx_npdu_numbers_list_present = false;
+		}
 
 		/* 10.5.7.3 Negotiated READY timer value */
 		if (TLVP_PRESENT(&tp, GSM48_IE_GMM_TIMER_READY)) {
@@ -1111,6 +1121,8 @@
 
 		/* 10.5.1.13 Equivalent PLMNs: TODO */
 		/* 10.5.7.1 PDP context status: TODO */
+		if (TLVP_PRES_LEN(&tp, GSM48_IE_GMM_PDP_CTX_STATUS, 2))
+			memcpy(gmme->pdp_ctx_status, TLVP_VAL(&tp, GSM48_IE_GMM_PDP_CTX_STATUS), 2);
 
 		/* TODO: lots more Optional IEs */
 	}
diff --git a/src/gmm/gmm_pdu.c b/src/gmm/gmm_pdu.c
index 7c83ac5..27c06fd 100644
--- a/src/gmm/gmm_pdu.c
+++ b/src/gmm/gmm_pdu.c
@@ -142,6 +142,7 @@
 		[GSM48_IE_GMM_TIMER_T3302]	= { TLV_TYPE_TLV, 0 },
 		[GSM48_IE_GMM_AUTH_FAIL_PAR]	= { TLV_TYPE_TLV, 0 },
 		[GSM48_IE_GMM_IMEISV]		= { TLV_TYPE_TLV, 0 },
+		[GSM48_IE_GMM_RX_NPDU_NUM_LIST] = { TLV_TYPE_TLV, 0 },
 		[GSM48_IE_GMM_DRX_PARAM]	= { TLV_TYPE_FIXED, 2 },
 		[GSM48_IE_GMM_MS_NET_CAPA]	= { TLV_TYPE_TLV, 0 },
 		[GSM48_IE_GMM_PDP_CTX_STATUS]	= { TLV_TYPE_TLV, 0 },

