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| ZEROCOPY_SG_FROM_ITE(9) | Linux Networking | ZEROCOPY_SG_FROM_ITE(9) |
NAME¶
zerocopy_sg_from_iter - Build a zerocopy datagram from an iov_iter
SYNOPSIS¶
int zerocopy_sg_from_iter(struct sk_buff * skb, struct iov_iter * from);
ARGUMENTS¶
skb
buffer to copy
from
the source to copy from
DESCRIPTION¶
The function will first copy up to headlen, and then pin the userspace pages and build frags through them.
Returns 0, -EFAULT or -EMSGSIZE.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.9. |