centos man page for skb_cow

Query: skb_cow

OS: centos

Section: 9

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

SKB_COW(9)							 Linux Networking							SKB_COW(9)

NAME
skb_cow - copy header of skb when it is required
SYNOPSIS
int skb_cow(struct sk_buff * skb, unsigned int headroom);
ARGUMENTS
skb buffer to cow headroom needed headroom
DESCRIPTION
If the skb passed lacks sufficient headroom or its data part is shared, data is reallocated. If reallocation fails, an error is returned and original skb is not changed. The result is skb with writable area skb->head...skb->tail and at least headroom of space at head.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SKB_COW(9)
Related Man Pages
wimax_msg_alloc(9) - suse
cfg80211_testmode_alloc_reply_skb(9) - centos
tau_set_interrupt_interval(3) - debian
struct_sk_buff(9) - suse
tc-ife(8) - mojave
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