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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Morten Brørup <mb@smartsharesystems.com>,
	"Lance Richardson" <lance.richardson@broadcom.com>
Cc: <dev@dpdk.org>, <stable@dpdk.org>,
	Olivier Matz <olivier.matz@6wind.com>,
	 Konstantin Ananyev <konstantin.ananyev@intel.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Subject: Re: [dpdk-stable] [PATCH] net: fix checksum API documentation
Date: Tue, 21 Sep 2021 10:28:23 +0100
Message-ID: <38a087e1-67dc-f313-6dd6-4ce63a51be50@intel.com> (raw)
In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35C61A92@smartserver.smartshare.dk>

On 9/17/2021 11:57 AM, Morten Brørup wrote:
>> From: Lance Richardson [mailto:lance.richardson@broadcom.com]
>> Sent: Thursday, 16 September 2021 18.11
>>
>> Minor corrections and improvements to documentation
>> for checksum APIs.
>>
>> Fixes: 6006818cfb26 ("net: new checksum functions")
>> Fixes: 45a08ef55e44 ("net: introduce functions to verify L4 checksums")
>> Cc: stable@dpdk.org
>> Signed-off-by: Lance Richardson <lance.richardson@broadcom.com>
>> ---
>>  lib/net/rte_ip.h | 8 ++++----
>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/lib/net/rte_ip.h b/lib/net/rte_ip.h
>> index 05948b69b7..fd08ea31b2 100644
>> --- a/lib/net/rte_ip.h
>> +++ b/lib/net/rte_ip.h
>> @@ -488,7 +488,7 @@ rte_ipv6_phdr_cksum(const struct rte_ipv6_hdr
>> *ipv6_hdr, uint64_t ol_flags)
>>  }
>>
>>  /**
>> - * @internal Calculate the non-complemented IPv4 L4 checksum
>> + * @internal Calculate the non-complemented IPv6 L4 checksum
>>   */
>>  static inline uint16_t
>>  __rte_ipv6_udptcp_cksum(const struct rte_ipv6_hdr *ipv6_hdr, const
>> void *l4_hdr)
>> @@ -509,15 +509,15 @@ __rte_ipv6_udptcp_cksum(const struct rte_ipv6_hdr
>> *ipv6_hdr, const void *l4_hdr)
>>  /**
>>   * Process the IPv6 UDP or TCP checksum.
>>   *
>> - * The IPv4 header should not contains options. The layer 4 checksum
>> - * must be set to 0 in the packet by the caller.
>> + * The IPv6 header must not be followed by extension headers. The
>> layer 4
>> + * checksum must be set to 0 in the L4 header by the caller.
>>   *
>>   * @param ipv6_hdr
>>   *   The pointer to the contiguous IPv6 header.
>>   * @param l4_hdr
>>   *   The pointer to the beginning of the L4 header.
>>   * @return
>> - *   The complemented checksum to set in the IP packet.
>> + *   The complemented checksum to set in the L4 header.

Isn't this wrong for 'rte_ipv4_udptcp_cksum()' too? Since you are touching this,
can you fix that one too?

>>   */
>>  static inline uint16_t
>>  rte_ipv6_udptcp_cksum(const struct rte_ipv6_hdr *ipv6_hdr, const void
>> *l4_hdr)
>> --
>> 2.25.1
> 
> Reviewed-by: Morten Brørup <mb@smartsharesystems.com>
> 


  reply	other threads:[~2021-09-21  9:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16 16:10 Lance Richardson
2021-09-17 10:57 ` Morten Brørup
2021-09-21  9:28   ` Ferruh Yigit [this message]
2021-09-21 10:11     ` [dpdk-stable] [dpdk-dev] " Morten Brørup
2021-09-21 14:50       ` Lance Richardson
2021-09-21 14:59 ` [dpdk-stable] [PATCH v2] " Lance Richardson
2021-09-22  9:16   ` Ferruh Yigit
2021-09-27 16:14     ` Olivier Matz
2021-10-07 12:43       ` Ferruh Yigit

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