From: Tom Herbert Date: Wed, 11 Feb 2015 00:30:28 +0000 (-0800) Subject: net: Clarify meaning of CHECKSUM_PARTIAL for receive path X-Git-Tag: fixes-v4.0-rc1~68^2~24^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6edec0e61b1e52f9144935d28c9088f5b202e61c;p=pandora-kernel.git net: Clarify meaning of CHECKSUM_PARTIAL for receive path The current meaning of CHECKSUM_PARTIAL for validating checksums is that _all_ checksums in the packet are considered valid. However, in the manner that CHECKSUM_PARTIAL is set only the checksum at csum_start+csum_offset and any preceding checksums may be considered valid. If there are checksums in the packet after csum_offset it is possible they have not been verfied. This patch changes CHECKSUM_PARTIAL logic in skb_csum_unnecessary and __skb_gro_checksum_validate_needed to only considered checksums referring to csum_start and any preceding checksums (with starting offset before csum_start) to be verified. Signed-off-by: Tom Herbert Signed-off-by: David S. Miller --- Reading git-diff-tree failed