From: Akhil Goyal <akhil.goyal@nxp.com>
To: Marcin Smoczynski <marcinx.smoczynski@intel.com>,
"marko.kovacevic@intel.com" <marko.kovacevic@intel.com>,
"orika@mellanox.com" <orika@mellanox.com>,
"bruce.richardson@intel.com" <bruce.richardson@intel.com>,
"pablo.de.lara.guarch@intel.com" <pablo.de.lara.guarch@intel.com>,
"radu.nicolau@intel.com" <radu.nicolau@intel.com>,
"tomasz.kantecki@intel.com" <tomasz.kantecki@intel.com>,
"konstantin.ananyev@intel.com" <konstantin.ananyev@intel.com>,
"bernard.iremonger@intel.com" <bernard.iremonger@intel.com>,
"olivier.matz@6wind.com" <olivier.matz@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 1/3] net: new ipv6 header extension parsing function
Date: Thu, 20 Jun 2019 11:40:00 +0000 [thread overview]
Message-ID: <VE1PR04MB6639DD8D7110A56C09ED2F2FE6E40@VE1PR04MB6639.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20190508104717.13448-1-marcinx.smoczynski@intel.com>
Hi Marcin,
>
> Introduce new function for IPv6 header extension parsing able to
> determine extension length and next protocol number.
>
> This function is helpful when implementing IPv6 header traversing.
>
> Signed-off-by: Marcin Smoczynski <marcinx.smoczynski@intel.com>
> ---
> lib/librte_net/rte_ip.h | 49 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
>
> diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
> index f9b909090..be64da662 100644
> --- a/lib/librte_net/rte_ip.h
> +++ b/lib/librte_net/rte_ip.h
> @@ -425,6 +425,55 @@ rte_ipv6_udptcp_cksum(const struct ipv6_hdr
> *ipv6_hdr, const void *l4_hdr)
> return (uint16_t)cksum;
> }
>
> +/* IPv6 fragmentation header size */
> +#define RTE_IPV6_FRAG_HDR_SIZE 8
> +
> +/**
> + * Parse next IPv6 header extension
> + *
> + * This function checks if proto number is an IPv6 extensions and parses its
> + * data if so, providing information on next header and extension length.
> + *
> + * @param p
> + * Pointer to an extension raw data.
> + * @param proto
> + * Protocol number extracted from the "next header" field from
> + * the IPv6 header or the previous extension.
> + * @param ext_len
> + * Extension data length.
> + * @return
> + * next protocol number if proto is an IPv6 extension, -EINVAL otherwise
> + */
> +static inline int __rte_experimental
Rte_experimental may not be required for inline functions.
> +rte_ipv6_get_next_ext(uint8_t *p, int proto, size_t *ext_len)
> +{
> + int next_proto;
> +
> + switch (proto) {
> + case IPPROTO_AH:
> + next_proto = *p++;
> + *ext_len = (*p + 2) * sizeof(uint32_t);
> + break;
> +
> + case IPPROTO_HOPOPTS:
> + case IPPROTO_ROUTING:
> + case IPPROTO_DSTOPTS:
> + next_proto = *p++;
> + *ext_len = (*p + 1) * sizeof(uint64_t);
> + break;
> +
> + case IPPROTO_FRAGMENT:
I see that there is some compilation issues with respect to IPPROTO_xxx fields. These are reported in patchworks if you need details.
Could you please fix these and send next rev.
Thanks,
Akhil
next prev parent reply other threads:[~2019-06-20 11:40 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-08 10:47 [dpdk-dev] [PATCH 1/3] net: new ipv6 header extension parsing function Marcin Smoczynski
2019-05-08 10:47 ` [dpdk-dev] [PATCH 2/3] ipsec: fix transport mode for ipv6 with extensions Marcin Smoczynski
2019-05-14 12:42 ` Ananyev, Konstantin
2019-06-20 12:07 ` Akhil Goyal
2019-05-08 10:47 ` [dpdk-dev] [PATCH 3/3] examples/ipsec-secgw: add support for ipv6 options Marcin Smoczynski
2019-05-14 12:51 ` Ananyev, Konstantin
2019-05-14 12:48 ` [dpdk-dev] [PATCH 1/3] net: new ipv6 header extension parsing function Ananyev, Konstantin
2019-06-20 11:40 ` Akhil Goyal [this message]
2019-06-20 17:40 ` Ananyev, Konstantin
2019-06-21 8:01 ` Akhil Goyal
2019-06-24 11:45 ` Smoczynski, MarcinX
2019-06-25 12:57 ` Akhil Goyal
2019-06-24 13:39 ` [dpdk-dev] [PATCH v2 0/4] IPv6 with options support for IPsec transport Marcin Smoczynski
2019-06-24 13:39 ` [dpdk-dev] [PATCH v2 1/4] net: new ipv6 header extension parsing function Marcin Smoczynski
2019-06-24 18:54 ` Ananyev, Konstantin
2019-07-02 9:06 ` Olivier Matz
2019-06-24 13:39 ` [dpdk-dev] [PATCH v2 2/4] ipsec: fix transport mode for ipv6 with extensions Marcin Smoczynski
2019-06-24 18:55 ` Ananyev, Konstantin
2019-06-24 13:39 ` [dpdk-dev] [PATCH v2 3/4] examples/ipsec-secgw: add support for ipv6 options Marcin Smoczynski
2019-06-24 18:55 ` Ananyev, Konstantin
2019-06-24 13:40 ` [dpdk-dev] [PATCH v2 4/4] examples/ipsec-secgw: add scapy based unittests Marcin Smoczynski
2019-06-24 18:56 ` Ananyev, Konstantin
2019-06-25 12:59 ` [dpdk-dev] [PATCH v2 0/4] IPv6 with options support for IPsec transport Akhil Goyal
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=VE1PR04MB6639DD8D7110A56C09ED2F2FE6E40@VE1PR04MB6639.eurprd04.prod.outlook.com \
--to=akhil.goyal@nxp.com \
--cc=bernard.iremonger@intel.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=konstantin.ananyev@intel.com \
--cc=marcinx.smoczynski@intel.com \
--cc=marko.kovacevic@intel.com \
--cc=olivier.matz@6wind.com \
--cc=orika@mellanox.com \
--cc=pablo.de.lara.guarch@intel.com \
--cc=radu.nicolau@intel.com \
--cc=tomasz.kantecki@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).