From: Jerin Jacob <jerinjacobk@gmail.com>
To: Vamsi Attunuru <vattunuru@marvell.com>
Cc: dev@dpdk.org, jerinj@marvell.com, ndabilpuram@marvell.com
Subject: Re: [PATCH 2/4] node: add a node to receive pkts from kernel
Date: Mon, 29 May 2023 23:09:32 +0530 [thread overview]
Message-ID: <CALBAE1NYOQ_6pa6naYqzDFvuosUAJA7kaQbA9OVHdgVmy6quvA@mail.gmail.com> (raw)
In-Reply-To: <20230421060245.3136217-3-vattunuru@marvell.com>
On Fri, Apr 21, 2023 at 11:33 AM Vamsi Attunuru <vattunuru@marvell.com> wrote:
>
> Patch adds a node to receive packets from kernel
> over a raw socket.
Subjection suggestion: node/kernel_rx: support receving packet from kernel
>
> Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
> ---
> doc/guides/prog_guide/graph_lib.rst | 7 +
> lib/node/kernel_recv.c | 277 ++++++++++++++++++++++++++++
> lib/node/kernel_recv_priv.h | 74 ++++++++
> lib/node/meson.build | 1 +
> 4 files changed, 359 insertions(+)
>
> diff --git a/doc/guides/prog_guide/graph_lib.rst b/doc/guides/prog_guide/graph_lib.rst
> index b3b5b14827..1057f16de8 100644
> --- a/doc/guides/prog_guide/graph_lib.rst
> +++ b/doc/guides/prog_guide/graph_lib.rst
> @@ -402,3 +402,10 @@ on the raw socket.
>
> Aftering sending the burst of packets to kernel, this node redirects the same
> objects to pkt_drop node to free up the packet buffers.
> +
> +kernel_recv
Better to change node name to kernel_rx
> +~~~~~~~~~~~
> +This node receives packets from kernel over a raw socket interface. Uses ``poll``
> +function to poll on the socket fd for ``POLLIN`` events to read the packets from
> +raw socket to stream buffer and does ``rte_node_next_stream_move()`` when there
> +are received packets.
You can tell typical use case for punt and kernel_tx node. i.e
expection path handling.
Also, may consider chnage to kernel_tx for punt node.
> diff --git a/lib/node/kernel_recv.c b/lib/node/kernel_recv.c
> new file mode 100644
> index 0000000000..361dcc3b5f
> --- /dev/null
> +++ b/lib/node/kernel_recv.c
> @@ -0,0 +1,277 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(C) 2023 Marvell International Ltd.
> + */
> +
> +#include <fcntl.h>
> +#include <poll.h>
> +#include <stdlib.h>
> +#include <sys/ioctl.h>
> +#include <sys/socket.h>
> +#include <unistd.h>
> +
> +#include <rte_debug.h>
> +#include <rte_ethdev.h>
> +#include <rte_graph.h>
> +#include <rte_graph_worker.h>
> +#include <rte_ip.h>
> +#include <rte_malloc.h>
> +#include <rte_mbuf.h>
> +#include <rte_mempool.h>
> +#include <rte_net.h>
> +
> +#include "ethdev_rx_priv.h"
> +#include "kernel_recv_priv.h"
> +#include "node_private.h"
> +
> +static struct kernel_recv_node_main kernel_recv_main;
Try to remove global varible.
> +#ifndef __INCLUDE_KERNEL_RECV_PRIV_H__
No need to add INCLUDE
> +#define __INCLUDE_KERNEL_RECV_PRIV_H__
> +
> +#define KERN_RECV_CACHE_COUNT 64
> +
> +typedef struct kernel_recv_info {
> + struct rte_mbuf *rx_bufs[KERN_RECV_CACHE_COUNT];
> + uint16_t cls_next;
> + uint16_t idx;
> + uint16_t cnt;
> + int sock;
> +} kernel_recv_info_t;
> +
> +/**
> + * @internal
> + *
> + * Kernel Recv node context structure.
Across the patch series, no need for Doxgen comments for internal functions.
next prev parent reply other threads:[~2023-05-29 17:39 UTC|newest]
Thread overview: 182+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-21 6:02 [PATCH 0/4] app: introduce testgraph application Vamsi Attunuru
2023-04-21 6:02 ` [PATCH 1/4] node: add pkt punt to kernel node Vamsi Attunuru
2023-05-29 17:29 ` Jerin Jacob
2023-05-31 12:36 ` [EXT] " Vamsi Krishna Attunuru
2023-04-21 6:02 ` [PATCH 2/4] node: add a node to receive pkts from kernel Vamsi Attunuru
2023-05-29 17:39 ` Jerin Jacob [this message]
2023-06-01 2:40 ` [EXT] " Vamsi Krishna Attunuru
2023-04-21 6:02 ` [PATCH 3/4] node: remove hardcoded node next details Vamsi Attunuru
2023-04-21 6:02 ` [PATCH 4/4] app: add testgraph application Vamsi Attunuru
2023-05-09 6:09 ` Jerin Jacob
2023-04-25 13:15 ` [PATCH v2 0/4] app: introduce " Vamsi Attunuru
2023-04-25 13:15 ` [PATCH v2 1/4] node: add pkt punt to kernel node Vamsi Attunuru
2023-05-30 8:16 ` Nithin Dabilpuram
2023-05-31 12:35 ` [EXT] " Vamsi Krishna Attunuru
2023-04-25 13:15 ` [PATCH v2 2/4] node: add a node to receive pkts from kernel Vamsi Attunuru
2023-04-25 13:15 ` [PATCH v2 3/4] node: remove hardcoded node next details Vamsi Attunuru
2023-04-25 13:15 ` [PATCH v2 4/4] app: add testgraph application Vamsi Attunuru
2023-05-09 2:34 ` [EXT] " Sunil Kumar Kori
2023-05-09 3:39 ` Vamsi Krishna Attunuru
2023-05-09 8:53 ` Sunil Kumar Kori
2023-05-09 12:24 ` Vamsi Krishna Attunuru
2023-05-12 11:08 ` Yan, Zhirun
2023-05-22 7:07 ` Vamsi Krishna Attunuru
2023-05-30 7:34 ` Jerin Jacob
2023-06-01 2:44 ` [EXT] " Vamsi Krishna Attunuru
2023-07-20 15:52 ` Rakesh Kudurumalla
2023-07-21 6:48 ` Jerin Jacob
2023-07-21 7:01 ` Sunil Kumar Kori
2023-07-21 7:39 ` Rakesh Kudurumalla
2023-09-08 11:00 ` Sunil Kumar Kori
2023-09-08 10:49 ` [PATCH v3 1/1] app/graph: add example for different usecases skori
2023-09-09 1:18 ` [EXT] " Nithin Kumar Dabilpuram
2023-09-19 16:04 ` [PATCH v4 01/14] app/graph: add application framework to read CLI skori
2023-09-19 16:04 ` [PATCH v4 02/14] app/graph: add telnet connectivity framework skori
2023-09-20 4:34 ` Jerin Jacob
2023-09-20 8:14 ` Bruce Richardson
2023-09-19 16:04 ` [PATCH v4 03/14] app/graph: add parser utility APIs skori
2023-09-19 16:04 ` [PATCH v4 04/14] app/graph: add mempool command line interfaces skori
2023-09-19 16:04 ` [PATCH v4 05/14] app/graph: add ethdev " skori
2023-09-19 16:04 ` [PATCH v4 06/14] app/graph: add ipv4_lookup " skori
2023-09-19 16:04 ` [PATCH v4 07/14] app/graph: add ipv6_lookup " skori
2023-09-19 16:04 ` [PATCH v4 08/14] app/graph: add neigh " skori
2023-09-19 16:04 ` [PATCH v4 09/14] app/graph: add ethdev_rx " skori
2023-09-19 16:04 ` [PATCH v4 10/14] app/graph: add graph " skori
2023-09-19 16:04 ` [PATCH v4 11/14] app/graph: add CLI option to enable graph stats skori
2023-09-19 16:04 ` [PATCH v4 12/14] app/graph: add l3fwd usecase skori
2023-09-19 16:04 ` [PATCH v4 13/14] doc: add graph application user guide skori
2023-09-20 4:28 ` Jerin Jacob
2023-09-19 16:04 ` [PATCH v4 14/14] maintainers: add maintainers for graph app skori
2023-09-20 4:40 ` [PATCH v4 01/14] app/graph: add application framework to read CLI Jerin Jacob
2023-09-21 10:08 ` [PATCH v5 00/12] add CLI based graph application skori
2023-09-21 10:08 ` [PATCH v5 01/12] app/graph: add application framework to read CLI skori
2023-09-21 10:08 ` [PATCH v5 02/12] app/graph: add telnet connectivity framework skori
2023-09-21 10:08 ` [PATCH v5 03/12] app/graph: add parser utility APIs skori
2023-09-21 10:08 ` [PATCH v5 04/12] app/graph: add mempool command line interfaces skori
2023-09-21 10:08 ` [PATCH v5 05/12] app/graph: add ethdev " skori
2023-09-21 10:08 ` [PATCH v5 06/12] app/graph: add ipv4_lookup " skori
2023-09-21 10:08 ` [PATCH v5 07/12] app/graph: add ipv6_lookup " skori
2023-09-21 10:08 ` [PATCH v5 08/12] app/graph: add neigh " skori
2023-09-21 10:08 ` [PATCH v5 09/12] app/graph: add ethdev_rx " skori
2023-09-21 10:08 ` [PATCH v5 10/12] app/graph: add graph " skori
2023-09-21 10:08 ` [PATCH v5 11/12] app/graph: add CLI option to enable graph stats skori
2023-09-21 10:08 ` [PATCH v5 12/12] app/graph: add l3fwd usecase skori
2023-09-26 10:57 ` [PATCH v6 00/12] add CLI based graph application skori
2023-09-26 10:57 ` [PATCH v6 01/12] app/graph: add application framework to read CLI skori
2023-09-26 10:57 ` [PATCH v6 02/12] app/graph: add telnet connectivity framework skori
2023-09-26 10:57 ` [PATCH v6 03/12] app/graph: add parser utility APIs skori
2023-09-26 10:57 ` [PATCH v6 04/12] app/graph: add mempool command line interfaces skori
2023-09-26 10:57 ` [PATCH v6 05/12] app/graph: add ethdev " skori
2023-09-26 10:57 ` [PATCH v6 06/12] app/graph: add ipv4_lookup " skori
2023-09-26 10:57 ` [PATCH v6 07/12] app/graph: add ipv6_lookup " skori
2023-09-26 10:57 ` [PATCH v6 08/12] app/graph: add neigh " skori
2023-09-26 10:57 ` [PATCH v6 09/12] app/graph: add ethdev_rx " skori
2023-09-26 10:57 ` [PATCH v6 10/12] app/graph: add graph " skori
2023-09-26 10:57 ` [PATCH v6 11/12] app/graph: add CLI option to enable graph stats skori
2023-09-26 10:57 ` [PATCH v6 12/12] app/graph: add l3fwd use case skori
2023-09-27 11:54 ` [PATCH v7 00/12] add CLI based graph application skori
2023-09-27 11:54 ` [PATCH v7 01/12] app/graph: add application framework to read CLI skori
2023-09-27 11:54 ` [PATCH v7 02/12] app/graph: add telnet connectivity framework skori
2023-09-27 11:54 ` [PATCH v7 03/12] app/graph: add parser utility APIs skori
2023-09-27 11:54 ` [PATCH v7 04/12] app/graph: add mempool command line interfaces skori
2023-09-27 11:54 ` [PATCH v7 05/12] app/graph: add ethdev " skori
2023-09-27 11:54 ` [PATCH v7 06/12] app/graph: add ipv4_lookup " skori
2023-09-27 11:54 ` [PATCH v7 07/12] app/graph: add ipv6_lookup " skori
2023-09-27 11:54 ` [PATCH v7 08/12] app/graph: add neigh " skori
2023-09-27 11:54 ` [PATCH v7 09/12] app/graph: add ethdev_rx " skori
2023-09-27 11:54 ` [PATCH v7 10/12] app/graph: add graph " skori
2023-09-27 11:54 ` [PATCH v7 11/12] app/graph: add CLI option to enable graph stats skori
2023-09-27 11:54 ` [PATCH v7 12/12] app/graph: add l3fwd use case skori
2023-09-29 9:58 ` [PATCH v8 00/12] add CLI based graph application skori
2023-09-29 9:58 ` [PATCH v8 01/12] app/graph: add application framework to read CLI skori
2023-10-16 9:00 ` Jerin Jacob
2023-10-17 6:19 ` [EXT] " Sunil Kumar Kori
2023-10-18 6:33 ` [PATCH v9 00/12] add CLI based graph application skori
2023-10-18 6:33 ` [PATCH v9 01/12] app/graph: support application CLI framework skori
2023-10-18 6:33 ` [PATCH v9 02/12] app/graph: support telnet connectivity framework skori
2023-10-18 6:33 ` [PATCH v9 03/12] app/graph: support parser utility APIs skori
2023-10-18 6:33 ` [PATCH v9 04/12] app/graph: support mempool command line interfaces skori
2023-10-18 6:33 ` [PATCH v9 05/12] app/graph: support ethdev " skori
2023-10-18 6:33 ` [PATCH v9 06/12] app/graph: support IPv4 lookup " skori
2023-10-18 6:33 ` [PATCH v9 07/12] app/graph: support IPv6 " skori
2023-10-18 6:33 ` [PATCH v9 08/12] app/graph: support neigh " skori
2023-10-18 6:33 ` [PATCH v9 09/12] app/graph: support ethdev Rx " skori
2023-10-18 6:33 ` [PATCH v9 10/12] app/graph: support graph " skori
2023-10-18 6:33 ` [PATCH v9 11/12] app/graph: support CLI option to enable graph stats skori
2023-10-18 6:33 ` [PATCH v9 12/12] app/graph: support l3fwd use case skori
2023-10-18 10:38 ` Jerin Jacob
2023-10-19 10:49 ` [PATCH v10 00/12] add CLI based graph application skori
2023-10-19 10:49 ` [PATCH v10 01/12] app/graph: support application CLI framework skori
2023-10-19 10:49 ` [PATCH v10 02/12] app/graph: support telnet connectivity framework skori
2023-10-19 10:49 ` [PATCH v10 03/12] app/graph: support parser utility APIs skori
2023-10-19 10:49 ` [PATCH v10 04/12] app/graph: support mempool command line interfaces skori
2023-10-19 10:49 ` [PATCH v10 05/12] app/graph: support ethdev " skori
2023-10-19 10:49 ` [PATCH v10 06/12] app/graph: support IPv4 lookup " skori
2023-10-19 10:49 ` [PATCH v10 07/12] app/graph: support IPv6 " skori
2023-10-19 10:49 ` [PATCH v10 08/12] app/graph: support neigh " skori
2023-10-19 10:49 ` [PATCH v10 09/12] app/graph: support ethdev Rx " skori
2023-10-19 10:49 ` [PATCH v10 10/12] app/graph: support graph " skori
2023-10-19 10:49 ` [PATCH v10 11/12] app/graph: support CLI option to enable graph stats skori
2023-10-19 10:50 ` [PATCH v10 12/12] app/graph: support l3fwd use case skori
2023-10-19 12:28 ` [EXT] " Jerin Jacob Kollanukkaran
2023-10-23 7:06 ` Nithin Dabilpuram
2023-10-19 17:29 ` [PATCH v11 00/12] add CLI based graph application skori
2023-10-19 17:30 ` [PATCH v11 01/12] app/graph: support application CLI framework skori
2023-10-23 7:03 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 02/12] app/graph: support telnet connectivity framework skori
2023-10-23 7:03 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 03/12] app/graph: support parser utility APIs skori
2023-10-23 7:03 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 04/12] app/graph: support mempool command line interfaces skori
2023-10-23 7:04 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 05/12] app/graph: support ethdev " skori
2023-10-23 7:04 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 06/12] app/graph: support IPv4 lookup " skori
2023-10-23 7:04 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 07/12] app/graph: support IPv6 " skori
2023-10-23 7:04 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 08/12] app/graph: support neigh " skori
2023-10-23 7:05 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 09/12] app/graph: support ethdev Rx " skori
2023-10-23 7:05 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 10/12] app/graph: support graph " skori
2023-10-23 7:06 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 11/12] app/graph: support CLI option to enable graph stats skori
2023-10-23 7:06 ` Nithin Dabilpuram
2023-10-19 17:30 ` [PATCH v11 12/12] app/graph: support l3fwd use case skori
2023-10-23 13:03 ` [PATCH v11 00/12] add CLI based graph application Sunil Kumar Kori
2023-11-03 16:44 ` Thomas Monjalon
2023-09-29 9:58 ` [PATCH v8 02/12] app/graph: add telnet connectivity framework skori
2023-10-16 9:04 ` Jerin Jacob
2023-10-17 6:21 ` [EXT] " Sunil Kumar Kori
2023-09-29 9:58 ` [PATCH v8 03/12] app/graph: add parser utility APIs skori
2023-10-16 9:05 ` Jerin Jacob
2023-09-29 9:58 ` [PATCH v8 04/12] app/graph: add mempool command line interfaces skori
2023-10-16 9:09 ` Jerin Jacob
2023-10-17 6:22 ` [EXT] " Sunil Kumar Kori
2023-09-29 9:58 ` [PATCH v8 05/12] app/graph: add ethdev " skori
2023-10-16 13:20 ` Jerin Jacob
2023-10-16 14:10 ` Bruce Richardson
2023-10-17 6:26 ` [EXT] " Sunil Kumar Kori
2023-09-29 9:58 ` [PATCH v8 06/12] app/graph: add ipv4_lookup " skori
2023-10-16 15:47 ` Jerin Jacob
2023-10-17 6:30 ` [EXT] " Sunil Kumar Kori
2023-09-29 9:58 ` [PATCH v8 07/12] app/graph: add ipv6_lookup " skori
2023-09-29 9:58 ` [PATCH v8 08/12] app/graph: add neigh " skori
2023-09-29 9:58 ` [PATCH v8 09/12] app/graph: add ethdev_rx " skori
2023-09-29 9:58 ` [PATCH v8 10/12] app/graph: add graph " skori
2023-09-29 9:58 ` [PATCH v8 11/12] app/graph: add CLI option to enable graph stats skori
2023-10-16 15:55 ` Jerin Jacob
2023-09-29 9:58 ` [PATCH v8 12/12] app/graph: add l3fwd use case skori
2023-10-16 16:01 ` [PATCH v8 00/12] add CLI based graph application Jerin Jacob
2023-10-16 16:27 ` Stephen Hemminger
2023-06-02 16:22 ` [PATCH v3 0/3] node: Introduce kernel_rx & kernel_tx nodes Vamsi Attunuru
2023-06-02 16:22 ` [PATCH v3 1/3] node/kernel_tx: support packet transmit to kernel Vamsi Attunuru
2023-06-05 12:47 ` Nithin Dabilpuram
2023-06-12 19:32 ` Thomas Monjalon
2023-06-02 16:22 ` [PATCH v3 2/3] node/kernel_rx: support receiving packets from kernel Vamsi Attunuru
2023-06-05 12:50 ` Nithin Dabilpuram
2023-06-02 16:22 ` [PATCH v3 3/3] node/ethdev_rx: remove hardcoded node next details Vamsi Attunuru
2023-06-05 12:51 ` Nithin Dabilpuram
2023-06-12 16:12 ` [PATCH v3 0/3] node: Introduce kernel_rx & kernel_tx nodes Vamsi Krishna Attunuru
2023-06-12 19:31 ` Thomas Monjalon
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