<feed xmlns='http://www.w3.org/2005/Atom'>
<title>talos-op-linux/include/net/gro_cells.h, branch v3.7</title>
<subtitle>Talos™ II Linux sources for OpenPOWER</subtitle>
<id>https://git.raptorcs.com/git/talos-op-linux/atom?h=v3.7</id>
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<updated>2012-10-01T21:01:46+00:00</updated>
<entry>
<title>net: add gro_cells infrastructure</title>
<updated>2012-10-01T21:01:46+00:00</updated>
<author>
<name>Eric Dumazet</name>
<email>edumazet@google.com</email>
</author>
<published>2012-09-27T19:29:05+00:00</published>
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<id>urn:sha1:c9e6bc644e557338221e75c242ab12c275a67d1b</id>
<content type='text'>
This adds a new include file (include/net/gro_cells.h), to bring GRO
(Generic Receive Offload) capability to tunnels, in a modular way.

Because tunnels receive path is lockless, and GRO adds a serialization
using a napi_struct, I chose to add an array of up to
DEFAULT_MAX_NUM_RSS_QUEUES cells, so that multi queue devices wont be
slowed down because of GRO layer.

skb_get_rx_queue() is used as selector.

In the future, we might add optional fanout capabilities, using rxhash
for example.

With help from Ben Hutchings who reminded me
netif_get_num_default_rss_queues() function.

Signed-off-by: Eric Dumazet &lt;edumazet@google.com&gt;
Cc: Ben Hutchings &lt;bhutchings@solarflare.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
</entry>
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