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- jessie 3.16.56-1+deb8u1
SKB_COPY_UBUFS(9) | Linux Networking | SKB_COPY_UBUFS(9) |
NAME¶
skb_copy_ubufs - copy userspace skb frags buffers to kernelSYNOPSIS¶
int
skb_copy_ubufs(struct sk_buff * skb,
gfp_t gfp_mask);
ARGUMENTS¶
skbthe skb to modify
gfp_mask
allocation priority
DESCRIPTION¶
This must be called on SKBTX_DEV_ZEROCOPY skb. It will copy all frags into kernel and drop the reference to userspace pages. If this function is called from an interrupt gfp_mask must be GFP_ATOMIC. Returns 0 on success or a negative error code on failure to allocate kernel memory to copy to.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |