carta
skb_postpull_rcsum(9)

skb_postpull_rcsum9

Update checksum for received skb after pull

Arguments

skb

buffer to update

start

start of data before pull

len

length of data pulled

Overview

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.

History

  • Debian 9 (Stretch): the text shown here
  • Debian 8 (Jessie)
  • Debian 7 (Wheezy)
  • Debian 6.0 (Squeeze)
  • Debian 5.0 (Lenny)
  • Debian 4.0 (Etch)

From linux-manual-4.9 4.9.228-1 in Debian 9 (Stretch). Parsed by carta from the page's man source.