diff mbox series

[v5,1/1] ethdev: add new ext hdr for gtp psc

Message ID 20210429081048.16627-2-rasland@nvidia.com (mailing list archive)
State Deferred
Delegated to: Ferruh Yigit
Headers show
Series add new hdr for gtp qfi | expand

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Commit Message

Raslan Darawsheh April 29, 2021, 8:10 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 May 11, 2021, 11:46 a.m. UTC | #1
On 4/29/2021 9:10 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>

This patch has not urgent for this release, postponing it to next release.
diff mbox series

Patch

diff --git a/lib/net/rte_gtp.h b/lib/net/rte_gtp.h
index 6a6f9b238d..5a850a26e4 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 specfic 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 specfic pad bits */
+	uint8_t qmp:1; /**< Qos Monitoring Packet */
+	uint8_t type:4; /**< PDU type */
+#endif
+	uint8_t data[0]; /**< variable length data feilds */
+} __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 feilds */
+} __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 feilds */
+} __rte_packed;
+
 /** GTP header length */
 #define RTE_ETHER_GTP_HLEN \
 	(sizeof(struct rte_udp_hdr) + sizeof(struct rte_gtp_hdr))