diff options
| author | Jesse Brandeburg <jesse.brandeburg@intel.com> | 2008-09-11 19:58:43 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-09-24 18:54:56 -0400 |
| commit | 762f4c57105853d1cbad3b96ef18aa23beff3db2 (patch) | |
| tree | 7df0c1a8e5d0ae30e7c4138c4f182d1d1dc2bba4 /drivers/net/ixgbe/ixgbe.h | |
| parent | ff819cfb5d95c4945811f5e33aa57274885c7527 (diff) | |
| download | kernel-crypto-762f4c57105853d1cbad3b96ef18aa23beff3db2.tar.gz kernel-crypto-762f4c57105853d1cbad3b96ef18aa23beff3db2.tar.xz kernel-crypto-762f4c57105853d1cbad3b96ef18aa23beff3db2.zip | |
ixgbe: recycle pages in packet split mode
most of the time we only need 1500 bytes for a packet which means
we don't need a whole 4k page for each packet. Share the allocation
by using a reference count to the page and giving half to two
receive descriptors. This can enable us to use packet split mode
all the time due to the performance increase of allocating half
the pages.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe.h')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 064af675a94..71ddac6ac4f 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -114,6 +114,7 @@ struct ixgbe_rx_buffer { dma_addr_t dma; struct page *page; dma_addr_t page_dma; + unsigned int page_offset; }; struct ixgbe_queue_stats { |