table of contents
| __PSKB_COPY(9) | Linux Networking | __PSKB_COPY(9) |
NAME¶
__pskb_copy - create copy of an sk_buff with private head.
SYNOPSIS¶
struct sk_buff * __pskb_copy(struct sk_buff * skb, int headroom, gfp_t gfp_mask);
ARGUMENTS¶
skb
buffer to copy
headroom
headroom of new skb
gfp_mask
allocation priority
DESCRIPTION¶
Make a copy of both an sk_buff and part of its data, located in header. Fragmented data remain shared. This is used when the caller wishes to modify only header of sk_buff and needs private copy of the header to alter. Returns NULL on failure or the pointer to the buffer on success. The returned buffer has a reference count of 1.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |