suse man page for skb_seq_read

Query: skb_seq_read

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

SKB_SEQ_READ(9) 						 Linux Networking						   SKB_SEQ_READ(9)

NAME
skb_seq_read - Sequentially read skb data
SYNOPSIS
unsigned int skb_seq_read(unsigned int consumed, const u8 ** data, struct skb_seq_state * st);
ARGUMENTS
consumed number of bytes consumed by the caller so far data destination pointer for data to be returned st state variable
DESCRIPTION
Reads a block of skb data at consumed relative to the lower offset specified to skb_prepare_seq_read. Assigns the head of the data block to data and returns the length of the block or 0 if the end of the skb data or the upper offset has been reached. The caller is not required to consume all of the data returned, i.e. consumed is typically set to the number of bytes already consumed and the next call to skb_seq_read will return the remaining part of the block. NOTE 1 The size of each block of data returned can be arbitary, this limitation is the cost for zerocopy seqeuental reads of potentially non linear data. NOTE 2 Fragment lists within fragments are not implemented at the moment, state->root_skb could be replaced with a stack for this purpose.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SKB_SEQ_READ(9)
Related Man Pages
cfg80211_testmode_alloc_reply_skb(9) - centos
lwres_buffer_clear(3) - debian
lwres_buffer_init(3) - debian
lwres_buffer_invalidate(3) - debian
lwres_buffer_putmem(3) - debian
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