[dpdk-dev] [PATCH v8 1/7] mbuf: support GTP in software packet type parser

[Sean Harte]

On 5 October 2017 at 09:14, Beilei Xing <beilei.xing at intel.com> wrote:
> Add support of GTP-C and GTP-U tunnels in rte_net_get_ptype().
>
> Signed-off-by: Beilei Xing <beilei.xing at intel.com>
> Acked-by: Olivier Matz <olivier.matz at 6wind.com>
> ---
>  lib/librte_mbuf/rte_mbuf_ptype.c |  2 ++
>  lib/librte_mbuf/rte_mbuf_ptype.h | 32 ++++++++++++++++++++++++++++++++
>  2 files changed, 34 insertions(+)
>
> diff --git a/lib/librte_mbuf/rte_mbuf_ptype.c b/lib/librte_mbuf/rte_mbuf_ptype.c
> index e5c4fae..a450814 100644
> --- a/lib/librte_mbuf/rte_mbuf_ptype.c
> +++ b/lib/librte_mbuf/rte_mbuf_ptype.c
> @@ -89,6 +89,8 @@ const char *rte_get_ptype_tunnel_name(uint32_t ptype)
>         case RTE_PTYPE_TUNNEL_NVGRE: return "TUNNEL_NVGRE";
>         case RTE_PTYPE_TUNNEL_GENEVE: return "TUNNEL_GENEVE";
>         case RTE_PTYPE_TUNNEL_GRENAT: return "TUNNEL_GRENAT";
> +       case RTE_PTYPE_TUNNEL_GTPC: return "TUNNEL_GTPC";
> +       case RTE_PTYPE_TUNNEL_GTPU: return "TUNNEL_GTPU";
>         default: return "TUNNEL_UNKNOWN";
>         }
>  }
> diff --git a/lib/librte_mbuf/rte_mbuf_ptype.h b/lib/librte_mbuf/rte_mbuf_ptype.h
> index acd70bb..978c4a2 100644
> --- a/lib/librte_mbuf/rte_mbuf_ptype.h
> +++ b/lib/librte_mbuf/rte_mbuf_ptype.h
> @@ -383,6 +383,38 @@ extern "C" {
>   */
>  #define RTE_PTYPE_TUNNEL_GRENAT             0x00006000
>  /**
> + * GTP-C (GPRS Tunnelling Protocol) control tunneling packet type.
> + * Packet format:
> + * <'ether type'=0x0800
> + * | 'version'=4, 'protocol'=17
> + * | 'destination port'=2123>
> + * or,
> + * <'ether type'=0x86DD
> + * | 'version'=6, 'next header'=17
> + * | 'destination port'=2123>
> + * or,
> + * <'ether type'=0x0800
> + * | 'version'=4, 'protocol'=17
> + * | 'source port'=2123>
> + * or,
> + * <'ether type'=0x86DD
> + * | 'version'=6, 'next header'=17
> + * | 'source port'=2123>
> + */
> +#define RTE_PTYPE_TUNNEL_GTPC               0x00007000
> +/**
> + * GTP-U (GPRS Tunnelling Protocol) user data tunneling packet type.
> + * Packet format:
> + * <'ether type'=0x0800
> + * | 'version'=4, 'protocol'=17
> + * | 'destination port'=2152>
> + * or,
> + * <'ether type'=0x86DD
> + * | 'version'=6, 'next header'=17
> + * | 'destination port'=2152>
> + */
> +#define RTE_PTYPE_TUNNEL_GTPU               0x00008000
> +/**
>   * Mask of tunneling packet types.
>   */
>  #define RTE_PTYPE_TUNNEL_MASK               0x0000f000
> --
> 2.5.5
>

Reviewed-by: Seán Harte <seanbh at gmail.com>