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08b4b8ea79
linux/net
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WANG Cong 08b4b8ea79 net: clear skb->priority when forwarding to another netns 
skb->priority can be set for two purposes:

1) With respect to IP TOS field, which is computed by a mask.
Ususally used for priority qdisc's (pfifo, prio etc.), on TX
side (we only have ingress qdisc on RX side).

2) Used as a classid or flowid, works in the same way with tc
classid. What's more, this can even override the classid
of tc filters.

For case 1), it has been respected within its netns, I don't
see any point of keeping it for another netns, especially
when packets will be forwarded to Rx path (no matter from TX
path or RX path).

For case 2) we care, our applications run inside a netns,
and we classify the packets by our own filters outside,
If some application sets this priority, it could bypass
our filters, therefore clear it when moving out of a netns,
it makes no sense to bypass tc filters out of its netns.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:43:08 -04:00
..
6lowpan 6lowpan: nhc: add other known rfc6282 compressions 2015-02-14 23:08:44 +01:00
9p Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
802 net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
8021q net: Fix high overhead of vlan sub-device teardown. 2015-03-18 22:52:56 -04:00
appletalk appletalk: Use eth_<foo>_addr instead of memset 2015-03-03 17:01:37 -05:00
atm atm: Use eth_<foo>_addr instead of memset 2015-03-03 17:01:37 -05:00
ax25 ax25: Fix the build when CONFIG_INET is disabled 2015-03-05 13:17:39 -05:00
batman-adv batman-adv: Fix use of seq_has_overflowed() 2015-02-22 17:00:08 -05:00
bluetooth Bluetooth: Fix potential NULL dereference in SMP channel setup 2015-03-18 08:30:03 +02:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
caif Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-09 23:38:02 -04:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2015-02-19 14:14:42 -08:00
core net: clear skb->priority when forwarding to another netns 2015-03-23 16:43:08 -04:00
dcb net/dcb: Add IEEE QCN attribute 2015-03-06 21:50:02 -05:00
dccp inet: get rid of central tcp/dccp listener timer 2015-03-20 12:40:25 -04:00
decnet net: Remove protocol from struct dst_ops 2015-03-09 16:06:10 -04:00
dns_resolver Merge commit 'v3.16' into next 2014-10-01 00:44:04 +10:00
dsa net: dsa: make NET_DSA manually selectable from the config 2015-03-20 21:37:58 -04:00
ethernet ethernet: Use eth_<foo>_addr instead of memset 2015-03-03 17:01:38 -05:00
hsr net/hsr: Fix NULL pointer dereference and refcnt bugs when deleting a HSR interface. 2015-03-01 13:40:23 -05:00
ieee802154 ieee802154: don't export static symbol 2015-03-14 17:11:31 +01:00
ipv4 Revert "selinux: add a skb_owned_by() hook" 2015-03-20 21:36:53 -04:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
ipx net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
irda Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-09 23:38:02 -04:00
iucv net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
key net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
l2tp l2tp: Use eth_<foo>_addr instead of memset 2015-03-03 17:01:38 -05:00
lapb lapb: move EXPORT_SYMBOL after functions. 2014-10-24 15:51:42 -04:00
llc net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
mac802154 mac802154: fix typo in header guard 2015-03-19 15:32:22 +01:00
mpls mpls: In mpls_egress verify the packet length. 2015-03-12 23:05:04 -04:00
netfilter netfilter: Convert nft_hash to inlined rhashtable 2015-03-20 16:16:24 -04:00
netlabel Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2015-02-11 20:25:11 -08:00
netlink netlink: Remove netlink_compare_arg.trailer 2015-03-21 00:16:39 -04:00
netrom net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
nfc net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
openvswitch net: Introduce possible_net_t 2015-03-12 14:39:40 -04:00
packet net: Introduce possible_net_t 2015-03-12 14:39:40 -04:00
phonet net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
rfkill Last round of updates for net-next: 2015-02-04 14:57:45 -08:00
rose net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
sched act_bpf: add initial eBPF support for actions 2015-03-20 19:10:44 -04:00
sctp net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
sunrpc sunrpc: fix braino in ->poll() 2015-03-08 12:53:46 -07:00
switchdev switchdev: use new swdev ops 2015-03-16 00:14:43 -04:00
tipc tipc: Use inlined rhashtable interface 2015-03-20 16:16:24 -04:00
unix net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
vmw_vsock net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
wimax wimax: convert printk to pr_foo() 2014-10-07 20:28:44 -04:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
x25 net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2015-03-16 16:16:49 -04:00
compat.c net: socket: add support for async operations 2015-03-23 16:41:36 -04:00
Kconfig kconfig: use bool instead of boolean for type definition attributes 2015-01-07 13:08:04 +01:00
Makefile mpls: Refactor how the mpls module is built 2015-03-04 00:26:06 -05:00
socket.c net: socket: add support for async operations 2015-03-23 16:41:36 -04:00
sysctl_net.c