path: root/net/ipv4/gre_offload.c
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authorTom Herbert <>2014-08-27 21:26:46 -0700
committerDavid S. Miller <>2014-08-29 20:41:11 -0700
commit77cffe23c1f88835f6bd7b47bfa0c060c2969828 (patch)
tree5ba7913e3c831eee16f1c115d83392102d024e67 /net/ipv4/gre_offload.c
parentde20fe8e2cc3c4ca13fdb529e6720d9d199333fe (diff)
net: Clarification of CHECKSUM_UNNECESSARY
This patch: - Clarifies the specific requirements of devices returning CHECKSUM_UNNECESSARY (comments in skbuff.h). - Adds csum_level field to skbuff. This is used to express how many checksums are covered by CHECKSUM_UNNECESSARY (stores n - 1). This replaces the overloading of skb->encapsulation, that field is is now only used to indicate inner headers are valid. - Change __skb_checksum_validate_needed to "consume" each checksum as indicated by csum_level as layers of the the packet are parsed. - Remove skb_pop_rcv_encapsulation, no longer needed in the new csum_level model. Signed-off-by: Tom Herbert <> Signed-off-by: David S. Miller <>
Diffstat (limited to 'net/ipv4/gre_offload.c')
0 files changed, 0 insertions, 0 deletions