Sorry for the delay,
Acked-by: Jarno Rajahalme <ja...@ovn.org>
> On Jan 19, 2016, at 10:15 PM, Simon Horman <simon.hor...@netronome.com> wrote:
>
> The motivation is to allow pushing single bytes in
> a manner to that already used for 16, 32 and 64 bit integers.
>
> This will be used by a follow-up patch to allow layer 3 packet -
> that is packets without an ethernet header - to be represented in flows.
>
> Signed-off-by: Simon Horman <simon.hor...@netronome.com>
>
> ---
> v9
> * New patch
> ---
> lib/flow.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/lib/flow.c b/lib/flow.c
> index 5668d0c5899e..f09c32523899 100644
> --- a/lib/flow.c
> +++ b/lib/flow.c
> @@ -199,6 +199,23 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract()
> will have runtime "
> } \
> }
>
> +#define miniflow_push_uint8_(MF, OFS, VALUE) \
> +{ \
> + MINIFLOW_ASSERT(MF.data < MF.end); \
> + \
> + if ((OFS) % 8 == 0) { \
> + miniflow_set_map(MF, OFS / 8); \
> + *(uint8_t *)MF.data = VALUE; \
> + } else if ((OFS) % 8 == 7) { \
> + miniflow_assert_in_map(MF, OFS / 8); \
> + *((uint8_t *)MF.data + 7) = VALUE; \
> + MF.data++; \
> + } else { \
> + miniflow_assert_in_map(MF, OFS / 8); \
> + *((uint8_t *)MF.data + ((OFS) % 8)) = VALUE; \
> + } \
> +}
> +
> #define miniflow_pad_to_64_(MF, OFS) \
> { \
> MINIFLOW_ASSERT((OFS) % 8 != 0); \
> @@ -211,6 +228,9 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract()
> will have runtime "
> #define miniflow_push_be16_(MF, OFS, VALUE) \
> miniflow_push_uint16_(MF, OFS, (OVS_FORCE uint16_t)VALUE);
>
> +#define miniflow_push_be8_(MF, OFS, VALUE) \
> + miniflow_push_uint8_(MF, OFS, (OVS_FORCE uint8_t)VALUE);
> +
> #define miniflow_set_maps(MF, OFS, N_WORDS) \
> { \
> size_t ofs = (OFS); \
> @@ -262,6 +282,9 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract()
> will have runtime "
> #define miniflow_push_be16(MF, FIELD, VALUE) \
> miniflow_push_be16_(MF, offsetof(struct flow, FIELD), VALUE)
>
> +#define miniflow_push_uint8(MF, FIELD, VALUE) \
> + miniflow_push_uint8_(MF, offsetof(struct flow, FIELD), VALUE)
> +
> #define miniflow_pad_to_64(MF, FIELD) \
> miniflow_pad_to_64_(MF, OFFSETOFEND(struct flow, FIELD))
>
> --
> 2.1.4
>
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