Tom Herbert 5a21232983 net: Support for csum_bad in skbuff ... This flag indicates that an invalid checksum was detected in the packet. __skb_mark_checksum_bad helper function was added to set this. Checksums can be marked bad from a driver or the GRO path (the latter is implemented in this patch). csum_bad is checked in __skb_checksum_validate_complete (i.e. calling that when ip_summed == CHECKSUM_NONE). csum_bad works in conjunction with ip_summed value. In the case that ip_summed is CHECKSUM_NONE and csum_bad is set, this implies that the first (or next) checksum encountered in the packet is bad. When ip_summed is CHECKSUM_UNNECESSARY, the first checksum after the last one validated is bad. For example, if ip_summed == CHECKSUM_UNNECESSARY, csum_level == 1, and csum_bad is set-- then the third checksum in the packet is bad. In the normal path, the packet will be dropped when processing the protocol layer of the bad checksum: __skb_decr_checksum_unnecessary called twice for the good checksums changing ip_summed to CHECKSUM_NONE so that __skb_checksum_validate_complete is called to validate the third checksum and that will fail since csum_bad is set. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2014-09-01 21:36:27 -07:00
..
datagram.c
dev_addr_lists.c
dev_ioctl.c
dev.c	net: Support for csum_bad in skbuff	2014-09-01 21:36:27 -07:00
drop_monitor.c	drop_monitor: remove unnecessary break after return	2014-07-15 16:27:00 -07:00
dst.c
ethtool.c
fib_rules.c
filter.c	net: filter: split 'struct sk_filter' into socket and bpf parts	2014-08-02 15:03:58 -07:00
flow_dissector.c	net: make skb an optional parameter for__skb_flow_dissect()	2014-08-25 17:21:26 -07:00
flow.c
gen_estimator.c
gen_stats.c
iovec.c	net: sendmsg: fix NULL pointer dereference	2014-07-29 12:20:22 -07:00
link_watch.c
Makefile
neighbour.c	neighbour : fix ndm_type type error issue	2014-07-28 17:52:17 -07:00
net_namespace.c	namespaces: Use task_lock and not rcu to protect nsproxy	2014-07-29 18:08:50 -07:00
net-procfs.c
net-sysfs.c	net: do not name the pointer to struct net_device net	2014-07-24 23:33:55 -07:00
net-sysfs.h
net-traces.c
netclassid_cgroup.c	cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes	2014-07-15 11:05:09 -04:00
netevent.c
netpoll.c	net: Pass a "more" indication down into netdev_start_xmit() code paths.	2014-09-01 17:39:55 -07:00
netprio_cgroup.c	cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes	2014-07-15 11:05:09 -04:00
pktgen.c	pktgen: add flag NO_TIMESTAMP to disable timestamping	2014-09-01 18:06:59 -07:00
ptp_classifier.c	net: filter: split 'struct sk_filter' into socket and bpf parts	2014-08-02 15:03:58 -07:00
request_sock.c
rtnetlink.c	rtnetlink: fix VF info size	2014-08-08 10:28:09 -07:00
scm.c
secure_seq.c	net: use ktime_get_ns() and ktime_get_real_ns() helpers	2014-08-22 19:57:23 -07:00
skbuff.c	net: Always untag vlan-tagged traffic on input.	2014-08-11 12:16:51 -07:00
sock_diag.c	net: filter: split 'struct sk_filter' into socket and bpf parts	2014-08-02 15:03:58 -07:00
sock.c	net: remove dead code after sk_data_ready change	2014-08-22 21:08:50 -07:00
stream.c
sysctl_net_core.c
timestamping.c
tso.c
user_dma.c
utils.c