Define new rte header for gtp PDU session container
based on RFC 38415-g30
Signed-off-by: Raslan Darawsheh <rasl...@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
