- 28 Jan, 2008 40 commits
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Pavel Emelyanov authored
The same thing for token-ring - use ctl paths and get rid of external references on the tr_table. Unfortunately, I couldn't split this patch into cleanup and use-the-paths parts. As a lame excuse I can say, that the cleanup is just moving the tr_table from one file to another - closet to a single variable, that this ctl table tunes. Since the source file becomes empty after the move, I remove it. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pavel Emelyanov authored
This is the same as I did for the net/core/ table in the second patch in his series: use the paths and isolate the whole table in the .c file. Signed-off-by:
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Pavel Emelyanov authored
This includes several cleanups: * tune Makefile to compile out this file when SYSCTL=n. Now it looks like net/core/sysctl_net_core.c one; * move the ipv4_config to af_inet.c to exist all the time; * remove additional sysctl_ip_nonlocal_bind declaration (it is already declared in net/ip.h); * remove no nonger needed ifdefs from this file. This is a preparation for using ctl paths for net/ipv4/ sysctl table. Signed-off-by:
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Pavel Emelyanov authored
Using ctl paths we can put all the stuff, related to net/core/ sysctl table, into one file and remove all the references on it. As a good side effect this hides the "core_table" name from the global scope :) Signed-off-by:
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Pavel Emelyanov authored
This file is already compiled out when the SYSCTL=n, so these ifdefs, that enclose the whole file, can be removed. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy <kaber@trash.net> Signed-off-by:
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Patrick McHardy authored
Remove the NF_CONNTRACK_ENABLED option. It was meant for a smoother upgrade to nf_conntrack, people having reconfigured their kernel at least once since ip_conntrack was removed will have the NF_CONNTRACK option already set. People upgrading from older kernels have to reconfigure a lot anyway. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
The queueing core doesn't care about the exact return value from the queue handler, so there's no need to go through the trouble of returning a meaningful value as long as we indicate an error. Signed-off-by:
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Patrick McHardy authored
We don't need a default case in nfqnl_build_packet_message(), the copy_mode is validated when it is set. Tell the compiler about the possible types and remove the default case. Saves 80b of text on x86_64. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
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Patrick McHardy authored
Originally I wanted to just remove the QDEBUG macro and use pr_debug, but none of the messages seems worth keeping. Signed-off-by:
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Patrick McHardy authored
nfqnl_set_mode takes the queue lock and calls __nfqnl_set_mode. Just move the code from __nfqnl_set_mode to nfqnl_set_mode since there is no other user. Signed-off-by:
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Patrick McHardy authored
Use RCU for queue instances hash. Avoids multiple atomic operations for each packet. Signed-off-by:
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Patrick McHardy authored
The peer_pid must be checked in all cases when a queue exists, currently it is not checked if for NFQA_CFG_QUEUE_MAXLEN when a NFQA_CFG_CMD attribute exists in some cases. Same for the queue existance check, which can cause a NULL pointer dereference. Also consistently return -ENODEV for "queue not found". -ENOENT would be better, but that is already used to indicate a queued skb id doesn't exist. Signed-off-by:
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Patrick McHardy authored
The sequence counter doesn't need to be an atomic_t, just move the increment inside the locked section. Signed-off-by:
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Patrick McHardy authored
Don't log "nf_hook: Verdict = QUEUE." message with NETFILTER_DEBUG=y. Signed-off-by:
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Patrick McHardy authored
Move duplicated error handling to end of function and add a helper function to release the device and module references from the queue entry. Signed-off-by:
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Patrick McHardy authored
Now that issue_verdict doesn't need to free the queue entries anymore, all it does is disable local BHs and call nf_reinject. Move the BH disabling to the okfn invocation in nf_reinject and kill the issue_verdict functions. Signed-off-by:
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Patrick McHardy authored
Move common fields for queue management to struct nf_info and rename it to struct nf_queue_entry. The avoids one allocation/free per packet and simplifies the code a bit. Alternatively we could add some private room at the tail, but since all current users use identical structs this seems easier. Signed-off-by:
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Patrick McHardy authored
Resync dev_cmp to take bridge devices into account. Signed-off-by:
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Patrick McHardy authored
A queue entry lookup currently looks like this: ipq_find_dequeue_entry -> __ipq_find_dequeue_entry -> __ipq_find_entry -> cmpfn -> id_cmp Use simple open-coded list walking and kill the cmpfn for ipq_find_dequeue_entry. Instead add it to ipq_flush (after similar cleanups) and use ipq_flush for both complete flushes and flushing entries related to a device. Signed-off-by:
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Patrick McHardy authored
A queue entry lookup currently looks like this: ipq_find_dequeue_entry -> __ipq_find_dequeue_entry -> __ipq_find_entry -> cmpfn -> id_cmp Use simple open-coded list walking and kill the cmpfn for ipq_find_dequeue_entry. Instead add it to ipq_flush (after similar cleanups) and use ipq_flush for both complete flushes and flushing entries related to a device. Signed-off-by:
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Patrick McHardy authored
A queue entry lookup currently looks like this: find_dequeue_entry -> __find_dequeue_entry -> __find_entry -> cmpfn -> id_cmp Use simple open-coded list walking and kill the cmpfn for find_dequeue_entry. Instead add it to nfqnl_flush (after similar cleanups) and use nfqnl_flush for both complete flushes and flushing entries related to a device. Signed-off-by:
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Patrick McHardy authored
Use list_add_tail/list_for_each_entry instead of list_add and list_for_each_prev as a preparation for switching to RCU. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
Remove the data pointer from struct nf_queue_handler. It has never been used and is useless for the only handler that really matters, nfnetlink_queue, since the handler is shared between all instances. Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
We hold a module reference for each queued packet, so the hook that queued the packet can't disappear. Also remove an obsolete comment stating the opposite. Signed-off-by:
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Patrick McHardy authored
Clean up if (x) y; constructs. We've got nothing to hide :) 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
nf_conntrack_h323 needs ip6_route_output for the call forwarding filter. Add a ->route function to nf_afinfo and use that to avoid pulling in the ipv6 module. Fix the #ifdef for the IPv6 code while I'm at it - the IPv6 support is only needed when IPv6 conntrack is enabled. Signed-off-by:
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Patrick McHardy authored
Switch from ipv6_find_hdr to ipv6_skip_exthdr to avoid pulling in ip6_tables and ipv6 when only using it for IPv4. Signed-off-by:
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Maciej Soltysiak authored
Log GID in addition to UID Signed-off-by:
Maciej Soltysiak <maciej.soltysiak@ae.poznan.pl> Signed-off-by:
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Patrick McHardy authored
Add rate estimator match. The rate estimator match can match on estimated rates by the RATEEST target. It supports matching on absolute bps/pps values, comparing two rate estimators and matching on the difference between two rate estimators. This is what I use to route outgoing data connections from a FTP server over two lines based on the available bandwidth: # estimate outgoing rates iptables -t mangle -A POSTROUTING -o eth0 -j RATEEST --rateest-name eth0 \ --rateest-interval 250ms \ --rateest-ewma 0.5s iptables -t mangle -A POSTROUTING -o ppp0 -j RATEEST --rateest-name ppp0 \ --rateest-interval 250ms \ --rateest-ewma 0.5s # mark based on available bandwidth iptables -t mangle -A BALANCE -m state --state NEW \ -m helper --helper ftp \ -m rateest --rateest-delta \ --rateest1 eth0 \ --rateest-bps1 2.5mbit \ --rateest-gt \ --rateest2 ppp0 \ --rateest-bps2 2mbit \ -j CONNMARK --set-mark 0x1 iptables -t mangle -A BALANCE -m state --state NEW \ -m helper --helper ftp \ -m rateest --rateest-delta \ --rateest1 ppp0 \ --rateest-bps1 2mbit \ --rateest-gt \ --rateest2 eth0 \ --rateest-bps2 2.5mbit \ -j CONNMARK --set-mark 0x2 iptables -t mangle -A BALANCE -j CONNMARK --restore-mark Signed-off-by: -
Patrick McHardy authored
Add new rate estimator target (using gen_estimator). In combination with the rateest match (next patch) this can be used for load-based multipath routing. Signed-off-by:
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Patrick McHardy authored
Remove the ipt_SAME target as scheduled in feature-removal-schedule. Signed-off-by:
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