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* ip_tunnel: Fix dst ref-count.Pravin B Shelar2014-03-261-0/+8
| | | | | | | | | | | | | | Commit 10ddceb22ba (ip_tunnel:multicast process cause panic due to skb->_skb_refdst NULL pointer) removed dst-drop call from ip-tunnel-recv. Following commit reintroduce dst-drop and fix the original bug by checking loopback packet before releasing dst. Original bug: https://bugzilla.kernel.org/show_bug.cgi?id=70681 CC: Xin Long <lucien.xin@gmail.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* gre_offload: statically build GRE offloading supportEric Dumazet2014-01-061-9/+0
| | | | | | | | | | | | GRO/GSO layers can be enabled on a node, even if said node is only forwarding packets. This patch permits GSO (and upcoming GRO) support for GRE encapsulated packets, even if the host has no GRE tunnel setup. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: H.K. Jerry Chu <hkchu@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: generalize gre_handle_offloadsEric Dumazet2013-10-191-29/+0
| | | | | | | | | | This patch makes gre_handle_offloads() more generic and rename it to iptunnel_handle_offloads() This will be used to add GSO/TSO support to IPIP tunnels. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: gre: move GSO functions to gre_offloadDaniel Borkmann2013-07-031-0/+414
Similarly to TCP/UDP offloading, move all related GRE functions to gre_offload.c to make things more explicit and similar to the rest of the code. Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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