diff options
| author | Steve Hodgson <shodgson@solarflare.com> | 2011-02-25 02:36:01 +0300 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2011-03-01 02:57:23 +0300 |
| commit | 8ba5366adacef220b6ce16dca777600433a22a42 (patch) | |
| tree | 5eaa58616988d2e08e65ab4175671d74782d2548 /drivers/net/sfc/net_driver.h | |
| parent | 5b2c4dd2ec12cf0e53b2bd2926f0fe2d1fbb4eda (diff) | |
| download | linux-8ba5366adacef220b6ce16dca777600433a22a42.tar.xz | |
sfc: Reduce size of efx_rx_buffer by unionising skb and page
[bwh: Forward-ported to net-next-2.6.]
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/sfc/net_driver.h')
| -rw-r--r-- | drivers/net/sfc/net_driver.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index 15b9068e5b87..59ff32ac7ec6 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -216,13 +216,17 @@ struct efx_tx_queue { * If both this and skb are %NULL, the buffer slot is currently free. * @data: Pointer to ethernet header * @len: Buffer length, in bytes. + * @is_page: Indicates if @page is valid. If false, @skb is valid. */ struct efx_rx_buffer { dma_addr_t dma_addr; - struct sk_buff *skb; - struct page *page; + union { + struct sk_buff *skb; + struct page *page; + } u; char *data; unsigned int len; + bool is_page; }; /** |