diff mbox series

[v7,1/2] net: add new ext hdr for gtp psc

Message ID 20210823105541.308-2-rasland@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series update gtp psc to use net hdr |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Raslan Darawsheh Aug. 23, 2021, 10:55 a.m. UTC 
  Define new rte header for gtp PDU session container
based on RFC 38415-g30

Signed-off-by: Raslan Darawsheh <rasland@nvidia.com>
---
 lib/net/rte_gtp.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

Comments

Ferruh Yigit Sept. 7, 2021, 10:30 a.m. UTC | #1 
On 8/23/2021 11:55 AM, Raslan Darawsheh wrote:
> Define new rte header for gtp PDU session container
> based on RFC 38415-g30
> 
> Signed-off-by: Raslan Darawsheh <rasland@nvidia.com>

Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>

Patch title can be updated to have abbreviations uppercase, but it can be done
while merging I guess.


@Olivier,

If you OK with the patch I can proceed with it in and merge to next-net because
of the dependency of next patch.
diff mbox series

Patch

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))