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* [dpdk-dev] [PATCH v6] ethdev: add new ext hdr for gtp psc
@ 2021-06-17  9:17 Raslan Darawsheh
  2021-06-22  7:27 ` Singh, Aman Deep
                   ` (2 more replies)
  0 siblings, 3 replies; 16+ messages in thread
From: Raslan Darawsheh @ 2021-06-17  9:17 UTC (permalink / raw)
  To: dev
  Cc: ferruh.yigit, orika, andrew.rybchenko, ivan.malov, ying.a.wang,
	olivier.matz, viacheslavo, shirik

Define new rte header for gtp PDU session container
based on RFC 38415-g30

Signed-off-by: Raslan Darawsheh <rasland@nvidia.com>
---
v6 : fixed typos
     fixed indentation of comments for fields
---
 lib/net/rte_gtp.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/lib/net/rte_gtp.h b/lib/net/rte_gtp.h
index 6a6f9b238d..9f6deb9c7e 100644
--- a/lib/net/rte_gtp.h
+++ b/lib/net/rte_gtp.h
@@ -61,6 +61,84 @@ struct rte_gtp_hdr_ext_word {
 	uint8_t next_ext;     /**< Next Extension Header Type. */
 }  __rte_packed;
 
+/**
+ * Optional extension for GTP with next_ext set to 0x85
+ * defined based on RFC 38415-g30.
+ */
+__extension__
+struct rte_gtp_psc_generic_hdr {
+	uint8_t ext_hdr_len;	/**< PDU ext hdr len in multiples of 4 bytes */
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+	uint8_t type:4;		/**< PDU type */
+	uint8_t qmp:1;		/**< Qos Monitoring Packet */
+	uint8_t pad:3;		/**< type specific pad bits */
+	uint8_t spare:2;	/**< type specific spare bits */
+	uint8_t qfi:6;		/**< Qos Flow Identifier */
+#else
+	uint8_t qfi:6;		/**< Qos Flow Identifier */
+	uint8_t spare:2;	/**< type specific spare bits */
+	uint8_t pad:3;		/**< type specific pad bits */
+	uint8_t qmp:1;		/**< Qos Monitoring Packet */
+	uint8_t type:4;		/**< PDU type */
+#endif
+	uint8_t data[0];	/**< variable length data fields */
+} __rte_packed;
+
+/**
+ * Optional extension for GTP with next_ext set to 0x85
+ * type0 defined based on RFC 38415-g30
+ */
+__extension__
+struct rte_gtp_psc_type0_hdr {
+	uint8_t ext_hdr_len;	/**< PDU ext hdr len in multiples of 4 bytes */
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+	uint8_t type:4;		/**< PDU type */
+	uint8_t qmp:1;		/**< Qos Monitoring Packet */
+	uint8_t snp:1;		/**< Sequence number presence */
+	uint8_t spare_dl1:2;	/**< spare down link bits */
+	uint8_t ppp:1;		/**< Paging policy presence */
+	uint8_t rqi:1;		/**< Reflective Qos Indicator */
+	uint8_t qfi:6;		/**< Qos Flow Identifier */
+#else
+	uint8_t qfi:6;		/**< Qos Flow Identifier */
+	uint8_t rqi:1;		/**< Reflective Qos Indicator */
+	uint8_t ppp:1;		/**< Paging policy presence */
+	uint8_t spare_dl1:2;	/**< spare down link bits */
+	uint8_t snp:1;		/**< Sequence number presence */
+	uint8_t type:4;		/**< PDU type */
+#endif
+	uint8_t data[0];	/**< variable length data fields */
+} __rte_packed;
+
+/**
+ * Optional extension for GTP with next_ext set to 0x85
+ * type1 defined based on RFC 38415-g30
+ */
+__extension__
+struct rte_gtp_psc_type1_hdr {
+	uint8_t ext_hdr_len;	/**< PDU ext hdr len in multiples of 4 bytes */
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+	uint8_t type:4;		/**< PDU type */
+	uint8_t qmp:1;		/**< Qos Monitoring Packet */
+	uint8_t dl_delay_ind:1;	/**< dl delay result presence */
+	uint8_t ul_delay_ind:1;	/**< ul delay result presence */
+	uint8_t snp:1;		/**< Sequence number presence ul */
+	uint8_t n_delay_ind:1;	/**< N3/N9 delay result presence */
+	uint8_t spare_ul2:1;	/**< spare up link bits */
+	uint8_t qfi:6;		/**< Qos Flow Identifier */
+#else
+	uint8_t qfi:6;		/**< Qos Flow Identifier */
+	uint8_t spare_ul2:1;	/**< spare up link bits */
+	uint8_t n_delay_ind:1;	/**< N3/N9 delay result presence */
+	uint8_t snp:1;		/**< Sequence number presence ul */
+	uint8_t ul_delay_ind:1;	/**< ul delay result presence */
+	uint8_t dl_delay_ind:1;	/**< dl delay result presence */
+	uint8_t qmp:1;		/**< Qos Monitoring Packet */
+	uint8_t type:4;		/**< PDU type */
+#endif
+	uint8_t data[0];	/**< variable length data fields */
+} __rte_packed;
+
 /** GTP header length */
 #define RTE_ETHER_GTP_HLEN \
 	(sizeof(struct rte_udp_hdr) + sizeof(struct rte_gtp_hdr))
-- 
2.25.1


^ permalink raw reply	[flat|nested] 16+ messages in thread
end of thread, other threads:[~2021-09-28 10:37 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-17  9:17 [dpdk-dev] [PATCH v6] ethdev: add new ext hdr for gtp psc Raslan Darawsheh
2021-06-22  7:27 ` Singh, Aman Deep
2021-07-01 14:06   ` Andrew Rybchenko
2021-07-06 14:24     ` Raslan Darawsheh
2021-07-08  9:23       ` Andrew Rybchenko
2021-07-08  9:27         ` Raslan Darawsheh
2021-07-08  9:39           ` Andrew Rybchenko
2021-07-08 10:29             ` Thomas Monjalon
2021-07-08  9:52       ` Singh, Aman Deep
2021-07-08  9:26 ` Andrew Rybchenko
2021-08-23 10:55 ` [dpdk-dev] [PATCH v7 0/2] update gtp psc to use net hdr Raslan Darawsheh
2021-08-23 10:55   ` [dpdk-dev] [PATCH v7 1/2] net: add new ext hdr for gtp psc Raslan Darawsheh
2021-09-07 10:30     ` Ferruh Yigit
2021-08-23 10:55   ` [dpdk-dev] [PATCH v7 2/2] ethdev: use ext hdr for gtp psc item Raslan Darawsheh
2021-09-07 10:30     ` Ferruh Yigit
2021-09-28 10:37   ` [dpdk-dev] [PATCH v7 0/2] update gtp psc to use net hdr Ferruh Yigit

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