diff options
| author | Rasesh Mody | 2012-12-11 13:24:53 +0100 |
|---|---|---|
| committer | David S. Miller | 2012-12-12 00:25:49 +0100 |
| commit | 30f9fc947938d483c48011530973903797e8739f (patch) | |
| tree | 5164f7ad8d4885f52abc56a4d9f87239bd3de628 /drivers/net/ethernet/brocade/bna/bnad.h | |
| parent | bna: TX Intr Coalescing Fix (diff) | |
| download | kernel-qcow2-linux-30f9fc947938d483c48011530973903797e8739f.tar.gz kernel-qcow2-linux-30f9fc947938d483c48011530973903797e8739f.tar.xz kernel-qcow2-linux-30f9fc947938d483c48011530973903797e8739f.zip | |
bna: Rx Page Based Allocation
Change Details:
Enhanced support for GRO. Page-base allocation method for Rx buffers is
used in GRO. Skb allocation has been removed in Rx path to use always warm-cache
skbs provided by napi_get_frags.
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad.h')
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h index 670a0790a183..2e758e18b533 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.h +++ b/drivers/net/ethernet/brocade/bna/bnad.h @@ -233,10 +233,29 @@ struct bnad_rx_vector { }; struct bnad_rx_unmap { + struct page *page; + u32 page_offset; struct sk_buff *skb; struct bnad_rx_vector vector; }; +enum bnad_rxbuf_type { + BNAD_RXBUF_NONE = 0, + BNAD_RXBUF_SKB = 1, + BNAD_RXBUF_PAGE = 2, + BNAD_RXBUF_MULTI = 3 +}; + +#define BNAD_RXBUF_IS_PAGE(_type) ((_type) == BNAD_RXBUF_PAGE) + +struct bnad_rx_unmap_q { + int reuse_pi; + int alloc_order; + u32 map_size; + enum bnad_rxbuf_type type; + struct bnad_rx_unmap unmap[0]; +}; + /* Bit mask values for bnad->cfg_flags */ #define BNAD_CF_DIM_ENABLED 0x01 /* DIM */ #define BNAD_CF_PROMISC 0x02 |