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From: Kiran Kumar Kokkilagadda <kirankumark@marvell.com>
To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>, Jerin Jacob
<jerinj@marvell.com>, Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>,
"zhirun.yan@intel.com" <zhirun.yan@intel.com>, Pavan Nikhilesh Bhagavatula
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Wathsala Vithanage <wathsala.vithanage@arm.com>,
Bruce Richardson <bruce.richardson@intel.com>, Konstantin Ananyev
<konstantin.v.ananyev@yandex.ru>
CC: "dev@dpdk.org" <dev@dpdk.org>
Subject: RE: [PATCH v4 4/5] node: add error stats for ip4 lookup node
Thread-Topic: [PATCH v4 4/5] node: add error stats for ip4 lookup node
Thread-Index: AQHa7+5ennZ+T3C/0U6xTIE/7dc+lbIy29iA
Date: Thu, 22 Aug 2024 06:38:16 +0000
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References: <20240222122342.16375-1-pbhagavatula@marvell.com>
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Errors-To: dev-bounces@dpdk.org
> -----Original Message-----
> From: pbhagavatula@marvell.com <pbhagavatula@marvell.com>
> Sent: Friday, August 16, 2024 8:39 PM
> To: Jerin Jacob <jerinj@marvell.com>; Nithin Kumar Dabilpuram
> <ndabilpuram@marvell.com>; Kiran Kumar Kokkilagadda
> <kirankumark@marvell.com>; zhirun.yan@intel.com; Pavan Nikhilesh
> Bhagavatula <pbhagavatula@marvell.com>; Wathsala Vithanage
> <wathsala.vithanage@arm.com>; Bruce Richardson
> <bruce.richardson@intel.com>; Konstantin Ananyev
> <konstantin.v.ananyev@yandex.ru>
> Cc: dev@dpdk.org
> Subject: [PATCH v4 4/5] node: add error stats for ip4 lookup node
>=20
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>=20
> Add error counters for ip4 LPM lookup failures in ip4_lookup node.
>=20
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> ---
Acked-by: Kiran Kumar Kokkilagadda <kirankumark@marvell.com>
> lib/node/ip4_lookup.c | 9 +++++++++
> lib/node/ip4_lookup_neon.h | 5 +++++
> lib/node/ip4_lookup_sse.h | 6 ++++++
> lib/node/node_private.h | 8 ++++++++
> 4 files changed, 28 insertions(+)
>=20
> diff --git a/lib/node/ip4_lookup.c b/lib/node/ip4_lookup.c index
> 18955971f6..5a7921db75 100644
> --- a/lib/node/ip4_lookup.c
> +++ b/lib/node/ip4_lookup.c
> @@ -86,6 +86,7 @@ ip4_lookup_node_process_scalar(struct rte_graph *graph,
> struct rte_node *node,
> rc =3D rte_lpm_lookup(lpm, rte_be_to_cpu_32(ipv4_hdr-
> >dst_addr),
> &next_hop);
> next_hop =3D (rc =3D=3D 0) ? next_hop : drop_nh;
> + NODE_INCREMENT_ERROR_ID(node, 0, (rc !=3D 0), 1);
>=20
> node_mbuf_priv1(mbuf, dyn)->nh =3D (uint16_t)next_hop;
> next_hop =3D next_hop >> 16;
> @@ -219,11 +220,19 @@ ip4_lookup_node_init(const struct rte_graph *graph,
> struct rte_node *node)
> return 0;
> }
>=20
> +static struct rte_node_errors ip4_lookup_errors =3D {
> + .nb_errors =3D 1,
> + .err_desc =3D {
> + [0] =3D "ip4_lookup_error",
> + },
> +};
> +
> static struct rte_node_register ip4_lookup_node =3D {
> .process =3D ip4_lookup_node_process_scalar,
> .name =3D "ip4_lookup",
>=20
> .init =3D ip4_lookup_node_init,
> + .errs =3D &ip4_lookup_errors,
>=20
> .nb_edges =3D RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP + 1,
> .next_nodes =3D {
> diff --git a/lib/node/ip4_lookup_neon.h b/lib/node/ip4_lookup_neon.h inde=
x
> d5c8da3719..907c7c955a 100644
> --- a/lib/node/ip4_lookup_neon.h
> +++ b/lib/node/ip4_lookup_neon.h
> @@ -116,6 +116,10 @@ ip4_lookup_node_process_vec(struct rte_graph *graph,
> struct rte_node *node,
> priv01.u16[4] =3D result.u16[2];
> priv23.u16[0] =3D result.u16[4];
> priv23.u16[4] =3D result.u16[6];
> + NODE_INCREMENT_ERROR_ID(node, 0, result.u16[1] =3D=3D
> (drop_nh >> 16), 1);
> + NODE_INCREMENT_ERROR_ID(node, 0, result.u16[3] =3D=3D
> (drop_nh >> 16), 1);
> + NODE_INCREMENT_ERROR_ID(node, 0, result.u16[5] =3D=3D
> (drop_nh >> 16), 1);
> + NODE_INCREMENT_ERROR_ID(node, 0, result.u16[7] =3D=3D
> (drop_nh >> 16),
> +1);
>=20
> node_mbuf_priv1(mbuf0, dyn)->u =3D priv01.u64[0];
> node_mbuf_priv1(mbuf1, dyn)->u =3D priv01.u64[1]; @@ -202,6
> +206,7 @@ ip4_lookup_node_process_vec(struct rte_graph *graph, struct
> rte_node *node,
> &next_hop);
> next_hop =3D (rc =3D=3D 0) ? next_hop : drop_nh;
>=20
> + NODE_INCREMENT_ERROR_ID(node, 0, (rc !=3D 0), 1);
> node_mbuf_priv1(mbuf0, dyn)->nh =3D (uint16_t)next_hop;
> next_hop =3D next_hop >> 16;
> next0 =3D (uint16_t)next_hop;
> diff --git a/lib/node/ip4_lookup_sse.h b/lib/node/ip4_lookup_sse.h index
> 74dbf97533..a38131e629 100644
> --- a/lib/node/ip4_lookup_sse.h
> +++ b/lib/node/ip4_lookup_sse.h
> @@ -115,6 +115,11 @@ ip4_lookup_node_process_vec(struct rte_graph *graph,
> struct rte_node *node,
> /* Perform LPM lookup to get NH and next node */
> rte_lpm_lookupx4(lpm, dip, dst.u32, drop_nh);
>=20
> + NODE_INCREMENT_ERROR_ID(node, 0, dst.u16[1] =3D=3D (drop_nh
> >> 16), 1);
> + NODE_INCREMENT_ERROR_ID(node, 0, dst.u16[3] =3D=3D (drop_nh
> >> 16), 1);
> + NODE_INCREMENT_ERROR_ID(node, 0, dst.u16[5] =3D=3D (drop_nh
> >> 16), 1);
> + NODE_INCREMENT_ERROR_ID(node, 0, dst.u16[7] =3D=3D (drop_nh
> >> 16), 1);
> +
> /* Extract next node id and NH */
> node_mbuf_priv1(mbuf0, dyn)->nh =3D dst.u32[0] & 0xFFFF;
> next0 =3D (dst.u32[0] >> 16);
> @@ -206,6 +211,7 @@ ip4_lookup_node_process_vec(struct rte_graph *graph,
> struct rte_node *node,
> rc =3D rte_lpm_lookup(lpm, rte_be_to_cpu_32(ipv4_hdr-
> >dst_addr),
> &next_hop);
> next_hop =3D (rc =3D=3D 0) ? next_hop : drop_nh;
> + NODE_INCREMENT_ERROR_ID(node, 0, rc !=3D 0, 1);
>=20
> node_mbuf_priv1(mbuf0, dyn)->nh =3D next_hop & 0xFFFF;
> next0 =3D (next_hop >> 16);
> diff --git a/lib/node/node_private.h b/lib/node/node_private.h index
> 1de7306792..36b2a733db 100644
> --- a/lib/node/node_private.h
> +++ b/lib/node/node_private.h
> @@ -12,6 +12,8 @@
> #include <rte_mbuf.h>
> #include <rte_mbuf_dyn.h>
>=20
> +#include <rte_graph_worker_common.h>
> +
> extern int rte_node_logtype;
> #define RTE_LOGTYPE_NODE rte_node_logtype
>=20
> @@ -88,4 +90,10 @@ node_mbuf_priv2(struct rte_mbuf *m)
> return (struct node_mbuf_priv2 *)rte_mbuf_to_priv(m); }
>=20
> +#define NODE_INCREMENT_ERROR_ID(node, id, cond, cnt)
> \
> + { =
\
> + if (unlikely(rte_graph_has_stats_feature() && (cond)))
> \
> + ((uint64_t *)RTE_PTR_ADD(node, node->err_off))[id] +=3D
> (cnt); \
> + }
> +
> #endif /* __NODE_PRIVATE_H__ */
> --
> 2.25.1