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sfc: Remove rx_alloc_method SKB

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[bwh: Remove more dead code, and make efx_ptp_rx() pull the data it
 needs into the header area.]
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Alexandre Rames 2013-01-11 12:26:21 +00:00 • committed by Ben Hutchings
parent 9230451af9
commit 97d48a10c6
5 changed files with 102 additions and 266 deletions
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23
drivers/net/ethernet/sfc/net_driver.h
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@ -206,25 +206,19 @@ struct efx_tx_queue {
/**
* struct efx_rx_buffer - An Efx RX data buffer
* @dma_addr: DMA base address of the buffer
* @skb: The associated socket buffer. Valid iff !(@flags & %EFX_RX_BUF_PAGE).
* @page: The associated page buffer.
* Will be %NULL if the buffer slot is currently free.
* @page: The associated page buffer. Valif iff @flags & %EFX_RX_BUF_PAGE.
* Will be %NULL if the buffer slot is currently free.
* @page_offset: Offset within page. Valid iff @flags & %EFX_RX_BUF_PAGE.
* @page_offset: Offset within page
* @len: Buffer length, in bytes.
* @flags: Flags for buffer and packet state.
*/
struct efx_rx_buffer {
dma_addr_t dma_addr;
union {
struct sk_buff *skb;
struct page *page;
} u;
struct page *page;
u16 page_offset;
u16 len;
u16 flags;
};
#define EFX_RX_BUF_PAGE 0x0001
#define EFX_RX_PKT_CSUMMED 0x0002
#define EFX_RX_PKT_DISCARD 0x0004
@ -266,8 +260,6 @@ struct efx_rx_page_state {
* @min_fill: RX descriptor minimum non-zero fill level.
* This records the minimum fill level observed when a ring
* refill was triggered.
* @alloc_page_count: RX allocation strategy counter.
* @alloc_skb_count: RX allocation strategy counter.
* @slow_fill: Timer used to defer efx_nic_generate_fill_event().
*/
struct efx_rx_queue {
@ -286,8 +278,6 @@ struct efx_rx_queue {
unsigned int fast_fill_trigger;
unsigned int min_fill;
unsigned int min_overfill;
unsigned int alloc_page_count;
unsigned int alloc_skb_count;
struct timer_list slow_fill;
unsigned int slow_fill_count;
};
@ -336,10 +326,6 @@ enum efx_rx_alloc_method {
* @event_test_cpu: Last CPU to handle interrupt or test event for this channel
* @irq_count: Number of IRQs since last adaptive moderation decision
* @irq_mod_score: IRQ moderation score
* @rx_alloc_level: Watermark based heuristic counter for pushing descriptors
* and diagnostic counters
* @rx_alloc_push_pages: RX allocation method currently in use for pushing
* descriptors
* @n_rx_tobe_disc: Count of RX_TOBE_DISC errors
* @n_rx_ip_hdr_chksum_err: Count of RX IP header checksum errors
* @n_rx_tcp_udp_chksum_err: Count of RX TCP and UDP checksum errors
@ -371,9 +357,6 @@ struct efx_channel {
unsigned int rfs_filters_added;
#endif
int rx_alloc_level;
int rx_alloc_push_pages;
unsigned n_rx_tobe_disc;
unsigned n_rx_ip_hdr_chksum_err;
unsigned n_rx_tcp_udp_chksum_err;