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From: Nipun Gupta <nipun.gupta@nxp.com>
To: Nipun Gupta <nipun.gupta@nxp.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "xiaoyun.li@intel.com" <xiaoyun.li@intel.com>, "orika@nvidia.com"
<orika@nvidia.com>, "thomas@monjalon.net" <thomas@monjalon.net>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>, Hemant Agrawal
<hemant.agrawal@nxp.com>
Thread-Topic: [PATCH] app/testpmd: update raw flow to take hex input
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Date: Tue, 28 Sep 2021 11:51:19 +0000
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References: <20210928110850.21184-1-nipun.gupta@nxp.com>
<20210928110850.21184-2-nipun.gupta@nxp.com>
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Subject: Re: [dpdk-dev] [PATCH] app/testpmd: update raw flow to take hex
input
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Please ignore this patch for now.
Regards,
Nipun
> -----Original Message-----
> From: nipun.gupta@nxp.com <nipun.gupta@nxp.com>
> Sent: Tuesday, September 28, 2021 4:39 PM
> To: dev@dpdk.org
> Cc: xiaoyun.li@intel.com; orika@nvidia.com; thomas@monjalon.net;
> ferruh.yigit@intel.com; Hemant Agrawal <hemant.agrawal@nxp.com>; Nipun
> Gupta <nipun.gupta@nxp.com>
> Subject: [PATCH] app/testpmd: update raw flow to take hex input
>=20
> From: Nipun Gupta <nipun.gupta@nxp.com>
>=20
> This patch enables method to provide key and mask for raw rules
> to be provided as hexadecimal values. There is new parameter
> pattern_mask added to support this.
>=20
> Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
> ---
> app/test-pmd/cmdline_flow.c | 15 +++++++++++++++
> doc/guides/testpmd_app_ug/testpmd_funcs.rst | 13 +++++++++++++
> 2 files changed, 28 insertions(+)
>=20
> diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> index 6cd99bf37f..a95b147d92 100644
> --- a/app/test-pmd/cmdline_flow.c
> +++ b/app/test-pmd/cmdline_flow.c
> @@ -158,6 +158,7 @@ enum index {
> ITEM_RAW_OFFSET,
> ITEM_RAW_LIMIT,
> ITEM_RAW_PATTERN,
> + ITEM_RAW_PATTERN_HEX,
> ITEM_ETH,
> ITEM_ETH_DST,
> ITEM_ETH_SRC,
> @@ -1046,6 +1047,7 @@ static const enum index item_raw[] =3D {
> ITEM_RAW_OFFSET,
> ITEM_RAW_LIMIT,
> ITEM_RAW_PATTERN,
> + ITEM_RAW_PATTERN_HEX,
> ITEM_NEXT,
> ZERO,
> };
> @@ -2487,6 +2489,19 @@ static const struct token token_list[] =3D {
> ARGS_ENTRY_ARB(sizeof(struct rte_flow_item_raw),
> ITEM_RAW_PATTERN_SIZE)),
> },
> + [ITEM_RAW_PATTERN_HEX] =3D {
> + .name =3D "pattern_hex",
> + .help =3D "hex string to look for",
> + .next =3D NEXT(item_raw,
> + NEXT_ENTRY(HEX),
> + NEXT_ENTRY(ITEM_PARAM_IS,
> + ITEM_PARAM_SPEC,
> + ITEM_PARAM_MASK)),
> + .args =3D ARGS(ARGS_ENTRY(struct rte_flow_item_raw, pattern),
> + ARGS_ENTRY(struct rte_flow_item_raw, length),
> + ARGS_ENTRY_ARB(sizeof(struct rte_flow_item_raw),
> + ITEM_RAW_PATTERN_SIZE)),
> + },
> [ITEM_ETH] =3D {
> .name =3D "eth",
> .help =3D "match Ethernet header",
> diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> index 4f8751be1c..3a69d37037 100644
> --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> @@ -3637,6 +3637,7 @@ This section lists supported pattern items and thei=
r
> attributes, if any.
> - ``offset {integer}``: absolute or relative offset for pattern.
> - ``limit {unsigned}``: search area limit for start of pattern.
> - ``pattern {string}``: byte string to look for.
> + - ``pattern_hex {string}``: byte string (provided in hexadecimal) to l=
ook for.
>=20
> - ``eth``: match Ethernet header.
>=20
> @@ -5036,6 +5037,18 @@ The meter policy action list: ``green -> green, ye=
llow
> -> yellow, red -> red``.
> testpmd> create port meter 0 1 13 1 yes 0xffff 0 0
> testpmd> flow create 0 priority 0 ingress group 1 pattern eth / end a=
ctions
> meter mtr_id 1 / end
>=20
> +Sample RAW rule
> +~~~~~~~~~~~~~~~
> +
> +A RAW rule can be creted as following using ``pattern_hex`` key and mask=
.
> +
> +::
> +
> + testpmd> flow create 0 group 0 priority 1 ingress pattern raw relati=
ve is 0
> search is 0 offset
> + is 0 limit is 0 pattern_hex spec
> 00000000000000000000000000000000000000000000000000000a0a0a0a
> + pattern_hex mask
> 0000000000000000000000000000000000000000000000000000ffffffff / end
> actions
> + queue index 4 / end
> +
> BPF Functions
> --------------
>=20
> --
> 2.17.1