diff options
| author | Viacheslav Ovsiienko <viacheslavo@nvidia.com> | 2021-01-11 20:21:48 +0200 |
|---|---|---|
| committer | Ferruh Yigit <ferruh.yigit@intel.com> | 2021-01-19 03:30:13 +0100 |
| commit | 1d94d8042a0ed7f7a937dd81929c30ba8e28f334 (patch) | |
| tree | a66c7effbbc4e0214ae8889b9553a59289798386 /lib | |
| parent | 179f97e2f157c4f3be405cb30316d4c961a1a0ff (diff) | |
ethdev: update GTP headers
This patch introduces the GTP header individual flag bit fields
and the header optional word with N-PDU number, Sequence Number
and Next Extension Header type.
Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/librte_net/rte_gtp.h | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/librte_net/rte_gtp.h b/lib/librte_net/rte_gtp.h index 104384cc53..6a6f9b238d 100644 --- a/lib/librte_net/rte_gtp.h +++ b/lib/librte_net/rte_gtp.h @@ -27,13 +27,40 @@ extern "C" { * 16-bit payload length after mandatory header, 32-bit TEID. * No optional fields and next extension header. */ +__extension__ struct rte_gtp_hdr { - uint8_t gtp_hdr_info; /**< GTP header info */ + union { + uint8_t gtp_hdr_info; /**< GTP header info */ + struct { +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + uint8_t pn:1; /**< N-PDU Number present bit */ + uint8_t s:1; /**< Sequence Number Present bit */ + uint8_t e:1; /**< Extension Present bit */ + uint8_t res1:1; /**< Reserved */ + uint8_t pt:1; /**< Protocol Type bit */ + uint8_t ver:3; /**< Version Number */ +#elif RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint8_t ver:3; /**< Version Number */ + uint8_t pt:1; /**< Protocol Type bit */ + uint8_t res1:1; /**< Reserved */ + uint8_t e:1; /**< Extension Present bit */ + uint8_t s:1; /**< Sequence Number Present bit */ + uint8_t pn:1; /**< N-PDU Number present bit */ +#endif + }; + }; uint8_t msg_type; /**< GTP message type */ - uint16_t plen; /**< Total payload length */ - uint32_t teid; /**< Tunnel endpoint ID */ + rte_be16_t plen; /**< Total payload length */ + rte_be32_t teid; /**< Tunnel endpoint ID */ } __rte_packed; +/* Optional word of GTP header, present if any of E, S, PN is set. */ +struct rte_gtp_hdr_ext_word { + rte_be16_t sqn; /**< Sequence Number. */ + uint8_t npdu; /**< N-PDU number. */ + uint8_t next_ext; /**< Next Extension Header Type. */ +} __rte_packed; + /** GTP header length */ #define RTE_ETHER_GTP_HLEN \ (sizeof(struct rte_udp_hdr) + sizeof(struct rte_gtp_hdr)) |