DPDK patches and discussions
 help / color / mirror / Atom feed
From: Yuanhan Liu <yliu@fridaylinux.org>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: Xiao Wang <xiao.w.wang@intel.com>,
	tiwei.bie@intel.com, dev@dpdk.org, stephen@networkplumber.org,
	maxime.coquelin@redhat.com
Subject: Re: [dpdk-dev] [PATCH v10 3/5] net: add a helper for making RARP packet
Date: Wed, 10 Jan 2018 21:06:52 +0800	[thread overview]
Message-ID: <20180110130652.GQ29540@yliu-mob> (raw)
In-Reply-To: <20180110012356.57456-4-xiao.w.wang@intel.com>

Thomas, look good to you?

	--yliu

On Wed, Jan 10, 2018 at 09:23:54AM +0800, Xiao Wang wrote:
> Suggested-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
>  lib/librte_net/Makefile            |  1 +
>  lib/librte_net/rte_arp.c           | 42 ++++++++++++++++++++++++++++++++++++++
>  lib/librte_net/rte_arp.h           | 17 +++++++++++++++
>  lib/librte_net/rte_net_version.map |  6 ++++++
>  4 files changed, 66 insertions(+)
>  create mode 100644 lib/librte_net/rte_arp.c
> 
> diff --git a/lib/librte_net/Makefile b/lib/librte_net/Makefile
> index 5e8a76b68..ab290c382 100644
> --- a/lib/librte_net/Makefile
> +++ b/lib/librte_net/Makefile
> @@ -13,6 +13,7 @@ LIBABIVER := 1
>  
>  SRCS-$(CONFIG_RTE_LIBRTE_NET) := rte_net.c
>  SRCS-$(CONFIG_RTE_LIBRTE_NET) += rte_net_crc.c
> +SRCS-$(CONFIG_RTE_LIBRTE_NET) += rte_arp.c
>  
>  # install includes
>  SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include := rte_ip.h rte_tcp.h rte_udp.h rte_esp.h
> diff --git a/lib/librte_net/rte_arp.c b/lib/librte_net/rte_arp.c
> new file mode 100644
> index 000000000..d7223b044
> --- /dev/null
> +++ b/lib/librte_net/rte_arp.c
> @@ -0,0 +1,42 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2018 Intel Corporation
> + */
> +
> +#include <arpa/inet.h>
> +
> +#include <rte_arp.h>
> +
> +#define RARP_PKT_SIZE	64
> +int
> +rte_net_make_rarp_packet(struct rte_mbuf *mbuf, const struct ether_addr *mac)
> +{
> +	struct ether_hdr *eth_hdr;
> +	struct arp_hdr *rarp;
> +
> +	if (mbuf->buf_len < RARP_PKT_SIZE)
> +		return -1;
> +
> +	/* Ethernet header. */
> +	eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
> +	memset(eth_hdr->d_addr.addr_bytes, 0xff, ETHER_ADDR_LEN);
> +	ether_addr_copy(mac, &eth_hdr->s_addr);
> +	eth_hdr->ether_type = htons(ETHER_TYPE_RARP);
> +
> +	/* RARP header. */
> +	rarp = (struct arp_hdr *)(eth_hdr + 1);
> +	rarp->arp_hrd = htons(ARP_HRD_ETHER);
> +	rarp->arp_pro = htons(ETHER_TYPE_IPv4);
> +	rarp->arp_hln = ETHER_ADDR_LEN;
> +	rarp->arp_pln = 4;
> +	rarp->arp_op  = htons(ARP_OP_REVREQUEST);
> +
> +	ether_addr_copy(mac, &rarp->arp_data.arp_sha);
> +	ether_addr_copy(mac, &rarp->arp_data.arp_tha);
> +	memset(&rarp->arp_data.arp_sip, 0x00, 4);
> +	memset(&rarp->arp_data.arp_tip, 0x00, 4);
> +
> +	mbuf->data_len = RARP_PKT_SIZE;
> +	mbuf->pkt_len = RARP_PKT_SIZE;
> +
> +	return 0;
> +}
> diff --git a/lib/librte_net/rte_arp.h b/lib/librte_net/rte_arp.h
> index 183641874..dad7423ad 100644
> --- a/lib/librte_net/rte_arp.h
> +++ b/lib/librte_net/rte_arp.h
> @@ -76,6 +76,23 @@ struct arp_hdr {
>  	struct arp_ipv4 arp_data;
>  } __attribute__((__packed__));
>  
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change without prior notice
> + *
> + * Make a RARP packet based on MAC addr.
> + *
> + * @param mbuf
> + *   Pointer to the rte_mbuf structure
> + * @param mac
> + *   Pointer to the MAC addr
> + *
> + * @return
> + *   - 0 on success, negative on error
> + */
> +int
> +rte_net_make_rarp_packet(struct rte_mbuf *mbuf, const struct ether_addr *mac);
> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/librte_net/rte_net_version.map b/lib/librte_net/rte_net_version.map
> index 687c40eaf..213e6fd32 100644
> --- a/lib/librte_net/rte_net_version.map
> +++ b/lib/librte_net/rte_net_version.map
> @@ -12,3 +12,9 @@ DPDK_17.05 {
>  	rte_net_crc_set_alg;
>  
>  } DPDK_16.11;
> +
> +EXPERIMENTAL {
> +	global:
> +
> +	rte_net_make_rarp_packet;
> +} DPDK_17.05;
> -- 
> 2.15.1

  reply	other threads:[~2018-01-10 13:06 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-24 11:03 [dpdk-dev] [PATCH 0/2] net/virtio: support GUEST ANNOUNCE Xiao Wang
2017-11-24 11:03 ` [dpdk-dev] [PATCH 1/2] net/virtio: make control queue thread-safe Xiao Wang
2017-11-24  5:38   ` Tiwei Bie
2017-11-30  2:10     ` Wang, Xiao W
2017-11-30  2:59   ` Stephen Hemminger
2017-12-01  1:38     ` Wang, Xiao W
2017-12-04 14:02   ` [dpdk-dev] [PATCH v2 0/2] net/virtio: support GUEST ANNOUNCE Xiao Wang
2017-12-04 14:02     ` [dpdk-dev] [PATCH v2 1/2] net/virtio: make control queue thread-safe Xiao Wang
2017-12-04 14:02     ` [dpdk-dev] [PATCH v2 2/2] net/virtio: support GUEST ANNOUNCE Xiao Wang
2017-12-04  8:46       ` Tiwei Bie
2018-01-03  1:37         ` Wang, Xiao W
2018-01-03  8:42         ` Wang, Xiao W
2017-12-06 11:23       ` Tiwei Bie
2017-12-06 14:22         ` Yuanhan Liu
2018-01-03  1:41         ` Wang, Xiao W
2018-01-04  7:41       ` [dpdk-dev] [PATCH v3 0/2] " Xiao Wang
2018-01-04  7:41         ` [dpdk-dev] [PATCH v3 1/2] net/virtio: make control queue thread-safe Xiao Wang
2018-01-04  7:41         ` [dpdk-dev] [PATCH v3 2/2] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-04  2:51           ` Tiwei Bie
2018-01-04  7:11             ` Wang, Xiao W
2018-01-04 15:59           ` [dpdk-dev] [PATCH v4 0/3] " Xiao Wang
2018-01-04 15:59             ` [dpdk-dev] [PATCH v4 1/3] net/virtio: make control queue thread-safe Xiao Wang
2018-01-04 15:59             ` [dpdk-dev] [PATCH v4 2/3] net/virtio: add packet injection method Xiao Wang
2018-01-04  7:56               ` Tiwei Bie
2018-01-05 16:46               ` [dpdk-dev] [PATCH v5 0/3] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-05 16:46                 ` [dpdk-dev] [PATCH v5 1/3] net/virtio: make control queue thread-safe Xiao Wang
2018-01-05 16:46                 ` [dpdk-dev] [PATCH v5 2/3] net/virtio: add packet injection method Xiao Wang
2018-01-05 18:00                   ` Tiwei Bie
2018-01-07  2:37                     ` Wang, Xiao W
2018-01-05 16:46                 ` [dpdk-dev] [PATCH v5 3/3] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-05 17:56                   ` Tiwei Bie
2018-01-07  2:29                     ` Wang, Xiao W
2018-01-07 12:05                   ` [dpdk-dev] [PATCH v6 0/3] " Xiao Wang
2018-01-07 12:05                     ` [dpdk-dev] [PATCH v6 1/3] net/virtio: make control queue thread-safe Xiao Wang
2018-01-08 13:06                       ` Yuanhan Liu
2018-01-08 15:25                         ` Wang, Xiao W
2018-01-07 12:05                     ` [dpdk-dev] [PATCH v6 2/3] net/virtio: add packet injection method Xiao Wang
2018-01-08 13:03                       ` Yuanhan Liu
2018-01-08 15:11                         ` Wang, Xiao W
2018-01-09  2:55                           ` Wang, Xiao W
2018-01-09 14:26                       ` [dpdk-dev] [PATCH v7 0/3] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-09 14:26                         ` [dpdk-dev] [PATCH v7 1/3] net/virtio: make control queue thread-safe Xiao Wang
2018-01-09 14:26                         ` [dpdk-dev] [PATCH v7 2/3] net/virtio: add packet injection method Xiao Wang
2018-01-09 14:26                         ` [dpdk-dev] [PATCH v7 3/3] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-09  8:49                           ` Maxime Coquelin
2018-01-09 10:58                             ` Wang, Xiao W
2018-01-09 11:03                             ` Wang, Xiao W
2018-01-09 11:41                               ` Thomas Monjalon
2018-01-09 13:36                                 ` Yuanhan Liu
2018-01-09 13:26                           ` [dpdk-dev] [PATCH v8 0/5] " Xiao Wang
2018-01-09 13:26                             ` [dpdk-dev] [PATCH v8 1/5] net/virtio: make control queue thread-safe Xiao Wang
2018-01-09 13:26                             ` [dpdk-dev] [PATCH v8 2/5] net/virtio: add packet injection method Xiao Wang
2018-01-09 13:26                             ` [dpdk-dev] [PATCH v8 3/5] net: add a helper for making RARP packet Xiao Wang
2018-01-09 13:48                               ` Thomas Monjalon
2018-01-09 15:52                                 ` Wang, Xiao W
2018-01-09 16:09                               ` [dpdk-dev] [PATCH v9 0/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-09 16:09                                 ` [dpdk-dev] [PATCH v9 1/5] net/virtio: make control queue thread-safe Xiao Wang
2018-01-09 16:09                                 ` [dpdk-dev] [PATCH v9 2/5] net/virtio: add packet injection method Xiao Wang
2018-01-09 16:09                                 ` [dpdk-dev] [PATCH v9 3/5] net: add a helper for making RARP packet Xiao Wang
2018-01-09 17:22                                   ` Thomas Monjalon
2018-01-10  1:23                                   ` [dpdk-dev] [PATCH v10 0/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-10  1:23                                     ` [dpdk-dev] [PATCH v10 1/5] net/virtio: make control queue thread-safe Xiao Wang
2018-01-10  1:23                                     ` [dpdk-dev] [PATCH v10 2/5] net/virtio: add packet injection method Xiao Wang
2018-01-10  1:23                                     ` [dpdk-dev] [PATCH v10 3/5] net: add a helper for making RARP packet Xiao Wang
2018-01-10 13:06                                       ` Yuanhan Liu [this message]
2018-01-10 14:10                                         ` Thomas Monjalon
2018-01-16  9:01                                       ` Olivier Matz
2018-01-16  9:43                                         ` Wang, Xiao W
2018-01-16 10:42                                           ` Olivier Matz
2018-01-16 11:03                                             ` Wang, Xiao W
2018-01-16 11:42                                             ` Wang, Xiao W
2018-01-16 21:40                                       ` [dpdk-dev] [PATCH v11 0/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-16 21:40                                         ` [dpdk-dev] [PATCH v11 1/5] net/virtio: make control queue thread-safe Xiao Wang
2018-01-16 21:41                                         ` [dpdk-dev] [PATCH v11 2/5] net/virtio: add packet injection method Xiao Wang
2018-01-16 21:41                                         ` [dpdk-dev] [PATCH v11 3/5] net: add a helper for making RARP packet Xiao Wang
2018-01-16 14:29                                           ` Olivier Matz
2018-01-16 21:41                                         ` [dpdk-dev] [PATCH v11 4/5] vhost: use lib API to make " Xiao Wang
2018-01-16 21:41                                         ` [dpdk-dev] [PATCH v11 5/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-19 17:33                                           ` Ferruh Yigit
2018-01-20 14:31                                             ` Ferruh Yigit
2018-01-21  1:31                                               ` Wang, Xiao W
2018-01-18  3:09                                         ` [dpdk-dev] [PATCH v11 0/5] " Yuanhan Liu
2018-01-18  3:14                                           ` [dpdk-dev] [PATCH 1/2] net: fixup RARP generation Yuanhan Liu
2018-01-18  3:14                                             ` [dpdk-dev] [PATCH 2/2] net: fix build error Yuanhan Liu
2018-01-18  7:38                                               ` Thomas Monjalon
2018-01-18  7:45                                                 ` Wang, Xiao W
2018-01-18  8:03                                                   ` Yuanhan Liu
2018-01-18  8:36                                                     ` Thomas Monjalon
2018-01-18  8:48                                                       ` Yuanhan Liu
2018-01-18  8:38                                             ` [dpdk-dev] [PATCH 1/2] net: fixup RARP generation Thomas Monjalon
2018-01-18  8:51                                               ` Yuanhan Liu
2018-01-18  8:53                                                 ` Wang, Xiao W
2018-01-19 16:04                                             ` Ferruh Yigit
2018-01-10  1:23                                     ` [dpdk-dev] [PATCH v10 4/5] vhost: use lib API to make RARP packet Xiao Wang
2018-01-10  1:23                                     ` [dpdk-dev] [PATCH v10 5/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-09 16:09                                 ` [dpdk-dev] [PATCH v9 4/5] vhost: use lib API to make RARP packet Xiao Wang
2018-01-09 16:09                                 ` [dpdk-dev] [PATCH v9 5/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-09 13:26                             ` [dpdk-dev] [PATCH v8 4/5] vhost: use lib API to make RARP packet Xiao Wang
2018-01-09 13:26                             ` [dpdk-dev] [PATCH v8 5/5] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-09 14:38                             ` [dpdk-dev] [PATCH v8 0/5] " Maxime Coquelin
2018-01-07 12:05                     ` [dpdk-dev] [PATCH v6 3/3] " Xiao Wang
2018-01-05 20:27               ` [dpdk-dev] [PATCH v4 2/3] net/virtio: add packet injection method Stephen Hemminger
2018-01-06  4:41                 ` Tiwei Bie
2018-01-04 15:59             ` [dpdk-dev] [PATCH v4 3/3] net/virtio: support GUEST ANNOUNCE Xiao Wang
2018-01-04 11:13               ` Tiwei Bie
2017-11-24 11:04 ` [dpdk-dev] [PATCH 2/2] " Xiao Wang
2017-11-24  6:04   ` Tiwei Bie
2017-11-30  2:37     ` Wang, Xiao W
2017-11-27 12:48   ` Yuanhan Liu
2017-11-30  2:41     ` Wang, Xiao W
2017-12-05 14:26       ` Yuanhan Liu
2018-01-03  1:43         ` Wang, Xiao W

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180110130652.GQ29540@yliu-mob \
    --to=yliu@fridaylinux.org \
    --cc=dev@dpdk.org \
    --cc=maxime.coquelin@redhat.com \
    --cc=stephen@networkplumber.org \
    --cc=thomas@monjalon.net \
    --cc=tiwei.bie@intel.com \
    --cc=xiao.w.wang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).