- 28 Jan, 2008 40 commits
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Ron Rindjunsky authored
This patch fixes should_drop_frame function to pass in ps poll control frames required for power save functioanlity. Interface types that do not have interest for PS POLL frames now drop it in handler. Signed-off-by:
Ron Rindjunsky <ron.rindjunsky@intel.com> Acked-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Herbert Xu authored
The SNMP macros use raw_smp_processor_id() in process context which is illegal because the process may be preempted and then migrated to another CPU. This patch makes it use get_cpu/put_cpu to disable preemption. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Joe Perches authored
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Joe Perches <joe@perches.com> Signed-off-by:
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Joe Perches authored
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Joe Perches authored
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Herbert Xu authored
While merging the IPsec output path I moved the encapsulation output operation to the top of the loop so that it sits outside of the locked section. Unfortunately in doing so it now sits in front of the space check as well which could be a fatal error. This patch rearranges the calls so that the space check happens as the thing on the output path. This patch also fixes an incorrect goto should the encapsulation output fail. Thanks to Kazunori MIYAZAWA for finding this bug. Signed-off-by:
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Patrick McHardy authored
The NETFILTER_ADVANCED option hides lots of the rather obscure netfilter options when disabled and provides defaults (M) that should allow to run a distribution firewall without further thinking. Defaults to 'y' to avoid breaking current configurations. Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
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Patrick McHardy authored
Apply Eric Dumazet's jhash optimizations where applicable. Quoting Eric: Thanks to jhash, hash value uses full 32 bits. Instead of returning hash % size (implying a divide) we return the high 32 bits of the (hash * size) that will give results between [0 and size-1] and same hash distribution. On most cpus, a multiply is less expensive than a divide, by an order of magnitude. Signed-off-by:
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Eric Dumazet authored
This patch generalizes the (CONFIG_IP6_NF_IPTABLES || CONFIG_IP6_NF_IPTABLES_MODULE) test done in hashlimit_init_dst() to all the xt_hashlimit module. This permits a size reduction of "struct dsthash_dst". This saves memory and cpu for IPV4 only hosts. Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Signed-off-by:
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Eric Dumazet authored
1) Using jhash2() instead of jhash() is a litle bit faster if applicable. 2) Thanks to jhash, hash value uses full 32 bits. Instead of returning hash % size (implying a divide) we return the high 32 bits of the (hash * size) that will give results between [0 and size-1] and same hash distribution. On most cpus, a multiply is less expensive than a divide, by an order of magnitude. Signed-off-by:
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Jan Engelhardt authored
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Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by:
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Jan Engelhardt authored
Parenthesize macro parameters. Signed-off-by:
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Jan Engelhardt authored
A few netfilter modules provide their own union of IPv4 and IPv6 address storage. Will unify that in this patch series. (1/4): Rename union nf_conntrack_address to union nf_inet_addr and move it to x_tables.h. Signed-off-by:
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Jan Engelhardt authored
Use %u format specifiers as ->family is unsigned. Signed-off-by:
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Patrick McHardy authored
We need to use rcu_assign_pointer/rcu_dereference to avoid races. Also remove an obsolete CONFIG_IP_NAT_NEEDED ifdef. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
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Patrick McHardy authored
Similar to Maciej Soltysiak's ipt_LOG patch, include GID in addition to UID in netlink message. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
Currently we return EINVAL for "instance exists", "allocation failed" and "module unloaded below us", which is completely inapproriate. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
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Patrick McHardy authored
Similar to the nfnetlink_queue fixes: The peer_pid must be checked in all cases when a logging instance exists, additionally we must check whether an instance exists before attempting to configure it to avoid NULL ptr dereferences. Signed-off-by:
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Patrick McHardy authored
Whatever that comment tries to say, I don't get it and it looks like a leftover from the time when RCU wasn't used properly. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
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Patrick McHardy authored
nf_nat_setup_info gets the hook number and translates that to the manip type to perform. This is a relict from the time when one manip per hook could exist, the exact hook number doesn't matter anymore, its converted to the manip type. Most callers already know what kind of NAT they want to perform, so pass the maniptype in directly. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
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Patrick McHardy authored
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Patrick McHardy authored
When the timer is late its timeout might be before the current time, in which case a very large value is dumped. Signed-off-by:
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Patrick McHardy authored
Use NLA_PUT_BE32, nla_get_be32() etc. Signed-off-by:
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Patrick McHardy authored
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Pablo Neira Ayuso authored
This patch adds support for SCTP to ctnetlink. Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
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Pablo Neira Ayuso authored
This patch adds support for James Morris' connsecmark. Signed-off-by:
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Pablo Neira Ayuso authored
This patch adds support for master tuple event notification and dumping. Conntrackd needs this information to recover related connections appropriately. Signed-off-by:
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Pablo Neira Ayuso authored
The combination of NAT and helpers may produce TCP sequence adjustments. In failover setups, this information needs to be replicated in order to achieve a successful recovery of mangled, related connections. This patch is particularly useful for conntrackd, see: http://people.netfilter.org/pablo/conntrack-tools/Signed-off-by:
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Benjamin LaHaise authored
When terminating DSL connections for an assortment of random customers, I've found it necessary to use iptables to clamp the MSS used for connections to work around the various ICMP blackholes in the greater net. Unfortunately, the current behaviour in Linux is imperfect and actually make things worse, so I'm proposing the following: increasing the MSS in a packet can never be a good thing, so make --set-mss only lower the MSS in a packet. Yes, I am aware of --clamp-mss-to-pmtu, but it doesn't work for outgoing connections from clients (ie web traffic), as it only looks at the PMTU on the destination route, not the source of the packet (the DSL interfaces in question have a 1442 byte MTU while the destination ethernet interface is 1500 -- there are problematic hosts which use a 1300 byte MTU). Reworking that is probably a good idea at some point, but it's more work than this is. Signed-off-by:
Benjamin LaHaise <bcrl@kvack.org> Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
Resync get_entries() with ip_tables.c by moving the checks from the setsockopt handler to the function itself. Signed-off-by:
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