table of contents
| SKB_POSTPULL_RCSUM(9) | Linux Networking | SKB_POSTPULL_RCSUM(9) |
NAME¶
skb_postpull_rcsum - update checksum for received skb after pull
SYNOPSIS¶
void skb_postpull_rcsum(struct sk_buff * skb, const void * start, unsigned int len);
ARGUMENTS¶
skb
buffer to update
start
start of data before pull
len
length of data pulled
DESCRIPTION¶
After doing a pull on a received packet, you need to call this to update the CHECKSUM_COMPLETE checksum, or set ip_summed to CHECKSUM_NONE so that it can be recomputed from scratch.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |