From: David Miller <davem@davemloft.net>
To: 0xeffeff@gmail.com
Cc: netdev@vger.kernel.org, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org
Subject: Re: [PATCH net v7] net/ipv6: Add anycast addresses to a global hashtable
Date: Fri, 02 Nov 2018 23:55:07 -0700 (PDT) [thread overview]
Message-ID: <20181102.235507.1090700871024663396.davem@davemloft.net> (raw)
In-Reply-To: <20181102202357.23526-1-0xeffeff@gmail.com>
From: Jeff Barnhill <0xeffeff@gmail.com>
Date: Fri, 2 Nov 2018 20:23:57 +0000
> icmp6_send() function is expensive on systems with a large number of
> interfaces. Every time it’s called, it has to verify that the source
> address does not correspond to an existing anycast address by looping
> through every device and every anycast address on the device. This can
> result in significant delays for a CPU when there are a large number of
> neighbors and ND timers are frequently timing out and calling
> neigh_invalidate().
>
> Add anycast addresses to a global hashtable to allow quick searching for
> matching anycast addresses. This is based on inet6_addr_lst in addrconf.c.
>
> Signed-off-by: Jeff Barnhill <0xeffeff@gmail.com>
Applied, thank you.
next prev parent reply other threads:[~2018-11-03 16:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-23 2:12 [PATCH net] net/ipv6: Add anycast addresses to a global hashtable Jeff Barnhill
2018-10-23 2:26 ` Eric Dumazet
2018-10-23 18:21 ` Jeff Barnhill
2018-10-24 1:58 ` [PATCH net v2] " Jeff Barnhill
2018-10-24 3:12 ` Eric Dumazet
2018-10-24 5:06 ` Jeff Barnhill
2018-10-26 21:22 ` [PATCH net v3] " Jeff Barnhill
2018-10-26 21:44 ` David Ahern
2018-10-27 18:02 ` [PATCH net v4] " Jeff Barnhill
2018-10-27 23:39 ` David Ahern
2018-10-28 1:27 ` Jeff Barnhill
2018-10-28 1:51 ` [PATCH net v5] " Jeff Barnhill
2018-10-30 3:32 ` David Miller
2018-10-30 11:10 ` Jeff Barnhill
2018-10-30 18:31 ` David Miller
2018-10-30 22:06 ` David Ahern
2018-10-30 23:19 ` David Miller
2018-11-01 0:02 ` Jeff Barnhill
2018-11-01 0:14 ` [PATCH net v6] " Jeff Barnhill
2018-11-01 5:34 ` Stephen Hemminger
2018-11-02 20:23 ` [PATCH net v7] " Jeff Barnhill
2018-11-03 6:55 ` David Miller [this message]
2018-11-01 2:53 ` [PATCH net v5] " David Ahern
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