gve: Add rx buffer pagecnt bias

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Add a pagecnt bias field to rx buffer info struct to eliminate
needing to increment the atomic page ref count on every pass in the
rx hotpath.

Also prefetch two packet pages ahead.

Fixes: ede3fcf5ec ("gve: Add support for raw addressing to the rx path")
Signed-off-by: Yanchun Fu <yangchun@google.com>
Signed-off-by: Nathan Lewis <npl@google.com>
Signed-off-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David Awogbemila <awogbemila@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Catherine Sullivan 2021-10-11 08:36:45 -07:00 • committed by David S. Miller

parent 2cb67ab153

commit 58401b2a46

1 changed files with 37 additions and 15 deletions

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drivers/net/ethernet/google/gve/gve_rx.c

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