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cxgb3 - Add page support to jumbo frame Rx queue

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Add page support to Jumbo frame Rx queues.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Divy Le Ray
2008-05-21 18:56:21 -07:00
committed by Jeff Garzik
parent b1fb1f280d
commit 7385ecf339
2 changed files with 84 additions and 35 deletions
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4
drivers/net/cxgb3/adapter.h
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@@ -92,6 +92,7 @@ struct sge_fl { /* SGE per free-buffer list state */
unsigned int gen; /* free list generation */
struct fl_pg_chunk pg_chunk;/* page chunk cache */
unsigned int use_pages; /* whether FL uses pages or sk_buffs */
unsigned int order; /* order of page allocations */
struct rx_desc *desc; /* address of HW Rx descriptor ring */
struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
dma_addr_t phys_addr; /* physical address of HW ring start */
@@ -116,12 +117,15 @@ struct sge_rspq { /* state for an SGE response queue */
unsigned int polling; /* is the queue serviced through NAPI? */
unsigned int holdoff_tmr; /* interrupt holdoff timer in 100ns */
unsigned int next_holdoff; /* holdoff time for next interrupt */
unsigned int rx_recycle_buf; /* whether recycling occurred
within current sop-eop */
struct rsp_desc *desc; /* address of HW response ring */
dma_addr_t phys_addr; /* physical address of the ring */
unsigned int cntxt_id; /* SGE context id for the response q */
spinlock_t lock; /* guards response processing */
struct sk_buff *rx_head; /* offload packet receive queue head */
struct sk_buff *rx_tail; /* offload packet receive queue tail */
struct sk_buff *pg_skb; /* used to build frag list in napi handler */
unsigned long offload_pkts;
unsigned long offload_bundles;