For this series:
Reviewed-and-tested-by: Bill Fischofer <bill.fischo...@linaro.org>
On Fri, Feb 17, 2017 at 8:20 AM, Petri Savolainen <
petri.savolai...@linaro.org> wrote:
> Packet input parsing level configuration is added. An application
> may express the maximum layer it is interested about.
> Implementations may optimize packet input performance as parsing
> can be stopped on the application required level. Implementations
> are free to parse more layers than application requests.
>
> Lazy parsing (e.g. in current odp-linux) does not work in practice.
> The implementation cannot continue parsing after the application
> has got access to packet data, since application may overwrite
> some packet headers. Parse results must reflect the format of the
> received packet.
>
> Signed-off-by: Petri Savolainen <petri.savolai...@linaro.org>
> ---
> include/odp/api/spec/packet_io.h | 36 ++++++++++++++++++++++++++++++
> ++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/include/odp/api/spec/packet_io.h
> b/include/odp/api/spec/packet_io.h
> index 85cd6d1..cec1f22 100644
> --- a/include/odp/api/spec/packet_io.h
> +++ b/include/odp/api/spec/packet_io.h
> @@ -346,6 +346,39 @@ typedef union odp_pktout_config_opt_t {
> } odp_pktout_config_opt_t;
>
> /**
> + * Parser layers
> + */
> +typedef enum odp_pktio_parser_layer_t {
> + /** No layers */
> + ODP_PKTIO_PARSER_LAYER_NONE = 0,
> +
> + /** Layer L2 protocols (Ethernet, VLAN, ARP, etc) */
> + ODP_PKTIO_PARSER_LAYER_L2,
> +
> + /** Layer L3 protocols (IPv4, IPv6, ICMP, IPsec, etc) */
> + ODP_PKTIO_PARSER_LAYER_L3,
> +
> + /** Layer L4 protocols (UDP, TCP, SCTP) */
> + ODP_PKTIO_PARSER_LAYER_L4,
> +
> + /** All layers */
> + ODP_PKTIO_PARSER_LAYER_ALL
> +
> +} odp_pktio_parser_layer_t;
> +
> +/**
> + * Parser configuration
> + */
> +typedef struct odp_pktio_parser_config_t {
> + /** Protocol parsing level in packet input
> + *
> + * Parse protocol layers in minimum up to this level during packet
> + * input. The default value is ODP_PKTIO_PARSER_LAYER_ALL. */
> + odp_pktio_parser_layer_t layer;
> +
> +} odp_pktio_parser_config_t;
> +
> +/**
> * Packet IO configuration options
> *
> * Packet IO interface level configuration options. Use
> odp_pktio_capability()
> @@ -363,6 +396,9 @@ typedef struct odp_pktio_config_t {
> * Default value for all bits is zero. */
> odp_pktout_config_opt_t pktout;
>
> + /** Packet input parser configuration */
> + odp_pktio_parser_config_t parser;
> +
> /** Interface loopback mode
> *
> * In this mode the packets sent out through the interface is
> --
> 2.8.1
>
>
