efx_tx_buffer Struct Reference

#include <net_driver.h>

Data Fields
union {
struct sk_buff *   skb
void *   heap_buf
};
dma_addr_t	dma_addr
unsigned short	flags
unsigned short	len
unsigned short	unmap_len

Detailed Description

struct efx_tx_buffer - buffer state for a TX descriptor : When & EFX_TX_BUF_SKB, the associated socket buffer to be freed when descriptor completes : When & EFX_TX_BUF_HEAP, the associated heap buffer to be freed when descriptor completes. : DMA address of the fragment. : Flags for allocation and DMA mapping type : Length of this fragment. This field is zero when the queue slot is empty. : Length of this fragment to unmap

Definition at line 109 of file net_driver.h.

Field Documentation

union { ... }

dma_addr_t dma_addr

Definition at line 114 of file net_driver.h.

unsigned short flags

Definition at line 115 of file net_driver.h.

void* heap_buf

Definition at line 112 of file net_driver.h.

unsigned short len

Definition at line 116 of file net_driver.h.

struct sk_buff* skb

Definition at line 111 of file net_driver.h.

unsigned short unmap_len

Definition at line 117 of file net_driver.h.

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The documentation for this struct was generated from the following file:

• drivers/net/ethernet/sfc/net_driver.h