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From: Or Gerlitz <ogerlitz@mellanox.com>
To: David Laight <David.Laight@ACULAB.COM>
Cc: "David S. Miller" <davem@davemloft.net>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Matan Barak <matanb@mellanox.com>,
	Amir Vadai <amirv@mellanox.com>,
	Saeed Mahameed <saeedm@mellanox.com>,
	Shani Michaeli <shanim@mellanox.com>
Subject: Re: [PATCH net-next 7/8] net: Add calaulation of non folded IPV6 pseudo header checksum
Date: Thu, 30 Oct 2014 18:32:43 +0200	[thread overview]
Message-ID: <5452682B.2030802@mellanox.com> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D1C9E2415@AcuExch.aculab.com>

On 10/30/2014 6:25 PM, David Laight wrote:
>> >+static inline __wsum csum_ipv6_magic_nofold(const struct in6_addr *saddr,
>> >+					    const struct in6_addr *daddr,
>> >+					    __u32 len, unsigned short proto,
>> >+					    __wsum sum)
>> >+{
>> >+	__wsum res = sum;
>> >+
>> >+	res = csum_add(res, (__force __wsum)saddr->in6_u.u6_addr32[0]);
>> >+	res = csum_add(res, (__force __wsum)saddr->in6_u.u6_addr32[1]);
>> >+	res = csum_add(res, (__force __wsum)saddr->in6_u.u6_addr32[2]);
>> >+	res = csum_add(res, (__force __wsum)saddr->in6_u.u6_addr32[3]);
>> >+	res = csum_add(res, (__force __wsum)daddr->in6_u.u6_addr32[0]);
>> >+	res = csum_add(res, (__force __wsum)daddr->in6_u.u6_addr32[1]);
>> >+	res = csum_add(res, (__force __wsum)daddr->in6_u.u6_addr32[2]);
>> >+	res = csum_add(res, (__force __wsum)daddr->in6_u.u6_addr32[3]);
> That probably generates a very long dependency chain.
>

Could you clarify this comment a bit?

Or.

  reply	other threads:[~2014-10-30 16:33 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-30 16:06 [PATCH net-next 0/8] Mellanox ethernet driver update Oct-30-2014 Or Gerlitz
2014-10-30 16:06 ` [PATCH net-next 1/8] net/mlx4_core: Prevent VF from changing port configuration Or Gerlitz
2014-10-30 16:06 ` [PATCH net-next 2/8] net/mlx4_core: Protect port type setting by mutex Or Gerlitz
2014-10-30 16:06 ` [PATCH net-next 3/8] net/mlx4_en: Remove RX buffers alignment to IP_ALIGN Or Gerlitz
2014-10-30 16:06 ` [PATCH net-next 4/8] net/mlx4_en: Add __GFP_COLD gfp flags in alloc_pages Or Gerlitz
2014-10-30 17:15   ` Eric Dumazet
2014-10-30 22:49     ` Or Gerlitz
2014-10-30 16:06 ` [PATCH net-next 5/8] net/mlx4_en: Remove redundant code from RX/GRO path Or Gerlitz
2014-10-30 19:00   ` Eric Dumazet
2014-10-30 23:25     ` Or Gerlitz
2014-10-31  3:19       ` Eric Dumazet
2014-10-31 14:00         ` Or Gerlitz
2014-10-31 15:46           ` Eric Dumazet
2014-11-02 14:09             ` Or Gerlitz
2014-11-02 14:28               ` Eric Dumazet
2014-10-30 16:06 ` [PATCH net-next 6/8] net/mlx4_core: Add retrieval of CONFIG_DEV parameters Or Gerlitz
2014-10-30 16:06 ` [PATCH net-next 7/8] net: Add calaulation of non folded IPV6 pseudo header checksum Or Gerlitz
2014-10-30 16:25   ` David Laight
2014-10-30 16:32     ` Or Gerlitz [this message]
2014-10-30 16:39       ` David Laight
2014-10-30 16:54         ` Or Gerlitz
2014-10-30 16:55           ` Or Gerlitz
2014-10-30 17:09           ` David Laight
2014-10-30 16:06 ` [PATCH net-next 8/8] net/mlx4_en: Extend checksum offloading by CHECKSUM COMPLETE Or Gerlitz
2014-10-30 18:22   ` Eric Dumazet
2014-10-30 21:20   ` Jerry Chu
2014-10-30 23:28     ` Or Gerlitz
2014-10-30 23:53       ` Jerry Chu
2014-10-30 23:59   ` Tom Herbert
2014-10-31 13:57     ` Or Gerlitz
2014-10-31  0:38   ` Yann Ylavic
2014-10-31 13:52     ` Or Gerlitz

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