- 01 2月, 2008 20 次提交
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Use RCU for expectation hash. This doesn't buy much for conntrack runtime performance, but allows to reduce the use of nf_conntrack_lock for /proc and nf_netlink_conntrack. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
The conntrack is unconfirmed, so we have an exclusive reference, which means that the write_lock is definitely unneeded. A read_lock used to be needed for the helper lookup, but since we're using RCU for helpers now rcu_read_lock is enough. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Don't skip accounting for conntracks with the FIXED_TIMEOUT bit. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Properly drop nf_conntrack_lock on tuple parsing error. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
CHECK net/ipv4/netfilter/ip_tables.c net/ipv4/netfilter/ip_tables.c:1453:8: warning: incorrect type in argument 3 (different signedness) net/ipv4/netfilter/ip_tables.c:1453:8: expected int *size net/ipv4/netfilter/ip_tables.c:1453:8: got unsigned int [usertype] *size net/ipv4/netfilter/ip_tables.c:1458:44: warning: incorrect type in argument 3 (different signedness) net/ipv4/netfilter/ip_tables.c:1458:44: expected int *size net/ipv4/netfilter/ip_tables.c:1458:44: got unsigned int [usertype] *size net/ipv4/netfilter/ip_tables.c:1603:2: warning: incorrect type in argument 2 (different signedness) net/ipv4/netfilter/ip_tables.c:1603:2: expected unsigned int *i net/ipv4/netfilter/ip_tables.c:1603:2: got int *<noident> net/ipv4/netfilter/ip_tables.c:1627:8: warning: incorrect type in argument 3 (different signedness) net/ipv4/netfilter/ip_tables.c:1627:8: expected int *size net/ipv4/netfilter/ip_tables.c:1627:8: got unsigned int *size net/ipv4/netfilter/ip_tables.c:1634:40: warning: incorrect type in argument 3 (different signedness) net/ipv4/netfilter/ip_tables.c:1634:40: expected int *size net/ipv4/netfilter/ip_tables.c:1634:40: got unsigned int *size net/ipv4/netfilter/ip_tables.c:1653:8: warning: incorrect type in argument 5 (different signedness) net/ipv4/netfilter/ip_tables.c:1653:8: expected unsigned int *i net/ipv4/netfilter/ip_tables.c:1653:8: got int *<noident> net/ipv4/netfilter/ip_tables.c:1666:2: warning: incorrect type in argument 2 (different signedness) net/ipv4/netfilter/ip_tables.c:1666:2: expected unsigned int *i net/ipv4/netfilter/ip_tables.c:1666:2: got int *<noident> CHECK net/ipv4/netfilter/arp_tables.c net/ipv4/netfilter/arp_tables.c:1285:40: warning: incorrect type in argument 3 (different signedness) net/ipv4/netfilter/arp_tables.c:1285:40: expected int *size net/ipv4/netfilter/arp_tables.c:1285:40: got unsigned int *size net/ipv4/netfilter/arp_tables.c:1543:44: warning: incorrect type in argument 3 (different signedness) net/ipv4/netfilter/arp_tables.c:1543:44: expected int *size net/ipv4/netfilter/arp_tables.c:1543:44: got unsigned int [usertype] *size CHECK net/ipv6/netfilter/ip6_tables.c net/ipv6/netfilter/ip6_tables.c:1481:8: warning: incorrect type in argument 3 (different signedness) net/ipv6/netfilter/ip6_tables.c:1481:8: expected int *size net/ipv6/netfilter/ip6_tables.c:1481:8: got unsigned int [usertype] *size net/ipv6/netfilter/ip6_tables.c:1486:44: warning: incorrect type in argument 3 (different signedness) net/ipv6/netfilter/ip6_tables.c:1486:44: expected int *size net/ipv6/netfilter/ip6_tables.c:1486:44: got unsigned int [usertype] *size net/ipv6/netfilter/ip6_tables.c:1631:2: warning: incorrect type in argument 2 (different signedness) net/ipv6/netfilter/ip6_tables.c:1631:2: expected unsigned int *i net/ipv6/netfilter/ip6_tables.c:1631:2: got int *<noident> net/ipv6/netfilter/ip6_tables.c:1655:8: warning: incorrect type in argument 3 (different signedness) net/ipv6/netfilter/ip6_tables.c:1655:8: expected int *size net/ipv6/netfilter/ip6_tables.c:1655:8: got unsigned int *size net/ipv6/netfilter/ip6_tables.c:1662:40: warning: incorrect type in argument 3 (different signedness) net/ipv6/netfilter/ip6_tables.c:1662:40: expected int *size net/ipv6/netfilter/ip6_tables.c:1662:40: got unsigned int *size net/ipv6/netfilter/ip6_tables.c:1680:8: warning: incorrect type in argument 5 (different signedness) net/ipv6/netfilter/ip6_tables.c:1680:8: expected unsigned int *i net/ipv6/netfilter/ip6_tables.c:1680:8: got int *<noident> net/ipv6/netfilter/ip6_tables.c:1693:2: warning: incorrect type in argument 2 (different signedness) net/ipv6/netfilter/ip6_tables.c:1693:2: expected unsigned int *i net/ipv6/netfilter/ip6_tables.c:1693:2: got int *<noident> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
Sparse complains when a function is not really static. Putting static on the function prototype is not enough. Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
Some lock annotations, and make initializers static. Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
Teach sparse about locking here, and fix signed/unsigned warnings. Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
The hashtable size is really unsigned so sparse complains when you pass a signed integer. Change all uses to make it consistent. Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jan Engelhardt 提交于
Add support for ranges to the new revision. This doesn't affect compatibility since the new revision was not released yet. Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jan Engelhardt 提交于
The TCPMSS target in Xtables should consider the MTU of the reverse route on forwarded packets as part of the path MTU. Point in case: IN=ppp0, OUT=eth0. MSS set to 1460 in spite of MTU of ppp0 being 1392. Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexey Dobriyan 提交于
Typical table module registers xt_table structure (i.e. packet_filter) and link it to list during it. We can't use one template for it because corresponding list_head will become corrupted. We also can't unregister with template because it wasn't changed at all and thus doesn't know in which list it is. So, we duplicate template at the very first step of table registration. Table modules will save it for use during unregistration time and actual filtering. Do it at once to not screw bisection. P.S.: renaming i.e. packet_filter => __packet_filter is temporary until full netnsization of table modules is done. Signed-off-by: NAlexey Dobriyan <adobriyan@sw.ru> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexey Dobriyan 提交于
In fact all we want is per-netns set of rules, however doing that will unnecessary complicate routines such as ipt_hook()/ipt_do_table, so make full xt_table array per-netns. Every user stubbed with init_net for a while. Signed-off-by: NAlexey Dobriyan <adobriyan@sw.ru> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexey Dobriyan 提交于
Switch from 0/-E to ptr/PTR_ERR convention. Signed-off-by: NAlexey Dobriyan <adobriyan@sw.ru> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jan Engelhardt 提交于
Extend the xt_conntrack match revision 1 by port matching (all four {orig,repl}{src,dst}) and by packet direction matching. Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
It should use htonl for the GID, not htons. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
CHECK net/netfilter/nf_conntrack_expect.c net/netfilter/nf_conntrack_expect.c:429:13: warning: context imbalance in 'exp_seq_start' - wrong count at exit net/netfilter/nf_conntrack_expect.c:441:13: warning: context imbalance in 'exp_seq_stop' - unexpected unlock CHECK net/netfilter/nf_log.c net/netfilter/nf_log.c:105:13: warning: context imbalance in 'seq_start' - wrong count at exit net/netfilter/nf_log.c:125:13: warning: context imbalance in 'seq_stop' - unexpected unlock CHECK net/netfilter/nfnetlink_queue.c net/netfilter/nfnetlink_queue.c:363:7: warning: symbol 'size' shadows an earlier one net/netfilter/nfnetlink_queue.c:217:9: originally declared here net/netfilter/nfnetlink_queue.c:847:13: warning: context imbalance in 'seq_start' - wrong count at exit net/netfilter/nfnetlink_queue.c:859:13: warning: context imbalance in 'seq_stop' - unexpected unlock Signed-off-by: NEric Dumazet <dada1@cosmosbay.com> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 1月, 2008 1 次提交
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由 Paul Moore 提交于
This patch introduces a mechanism for checking when labeled IPsec or SECMARK are in use by keeping introducing a configuration reference counter for each subsystem. In the case of labeled IPsec, whenever a labeled SA or SPD entry is created the labeled IPsec/XFRM reference count is increased and when the entry is removed it is decreased. In the case of SECMARK, when a SECMARK target is created the reference count is increased and later decreased when the target is removed. These reference counters allow SELinux to quickly determine if either of these subsystems are enabled. NetLabel already has a similar mechanism which provides the netlbl_enabled() function. This patch also renames the selinux_relabel_packet_permission() function to selinux_secmark_relabel_packet_permission() as the original name and description were misleading in that they referenced a single packet label which is not the case. Signed-off-by: NPaul Moore <paul.moore@hp.com> Signed-off-by: NJames Morris <jmorris@namei.org>
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- 29 1月, 2008 19 次提交
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由 Patrick McHardy 提交于
Convert packet schedulers to use the netlink API. Unfortunately a gradual conversion is not possible without breaking compilation in the middle or adding lots of casts, so this patch converts them all in one step. The patch has been mostly generated automatically with some minor edits to at least allow seperate conversion of classifiers and actions. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Denis V. Lunev 提交于
Create a specific helper for netlink kernel socket disposal. This just let the code look better and provides a ground for proper disposal inside a namespace. Signed-off-by: NDenis V. Lunev <den@openvz.org> Tested-by: NAlexey Dobriyan <adobriyan@openvz.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Allows to remove five empty implementations. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Its unused and unlikely to ever be used. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
- Remove declarations of non-existing variables and functions - Move helper init/cleanup function declarations to nf_conntrack_helper.h - Remove unneeded __nf_conntrack_attach declaration and make it static Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Since there now is generic support for shared sysctl paths, the only remains are the net/netfilter and net/ipv4/netfilter paths. Move them to net/netfilter/core.c and net/ipv4/netfilter.c and kill nf_sysctl.c. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Instead of keeping pointers to the timeout values in a table, simply put the timeout values in the table directly. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Use SCTP_CHUNK_FLAG_T instead of 0x1. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Don't take and release the lock once per SCTP chunk, simply hold it the entire time while iterating through the chunks. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
The name is misleading, it holds the new connection state, so rename it to "newstate". Also rename "oldsctpstate" to "oldstate" for consistency. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Consolidate error paths and use proper symbolic return value instead of magic values. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Eliminate a few lines over 80 characters by using a local variable to hold the conntrack direction instead of using CTINFO2DIR everywhere. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Reduce the length of some overly long lines by renaming all "conntrack" variables to "ct". Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Use unsigned long instead of char for the bitmap and removed lots of casts. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Reindent switch cases properly, get rid of weird constructs like "!(x == y)", put logical operations on the end of the line instead of the next line, get rid of superfluous braces. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Instead of keeping pointers to the timeout values in a table, simply put the timeout values in the table directly. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
The TCP and SCTP conntrack state transition tables only holds small numbers, but gcc uses 4 byte per entry for the enum. Switching to an u8 reduces the size from 480 to 120 bytes for TCP and from 576 to 144 bytes for SCTP. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jan Engelhardt 提交于
Adds IPv6 support to xt_iprange, making it possible to match on IPv6 address ranges with ip6tables. Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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