- 20 7月, 2007 1 次提交
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由 Al Viro 提交于
It's C, not C++... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 11 7月, 2007 8 次提交
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由 Patrick McHardy 提交于
Eliminate the last global list searched for every new connection. 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
This patch brings back the per-conntrack expectation list that was removed around 2.6.10 to avoid walking all expectations on expectation eviction and conntrack destruction. As these were the last users of the global expectation list, this patch also kills that. 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
Convert from the global expectation list to the hash table. 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 conntrack currently allows to use masks for every bit of both helper and expectation tuples, we can't hash them and have to keep them on two global lists that are searched for every new connection. This patch removes the never used ability to use masks for the destination part of the expectation tuple and completely removes masks from helpers since the only reasonable choice is a full match on l3num, protonum and src.u.all. 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
Currently there is a wild mix of nf_conntrack_expect_, nf_ct_exp_, expect_, exp_, ... Consistently use nf_ct_ as prefix for exported functions. 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
Convert conntrack hash to hlists to reduce its size and cache footprint. Since the default hashsize to max. entries ratio sucks (1:16), this patch doesn't reduce the amount of memory used for the hash by default, but instead uses a better ratio of 1:8, which results in the same max. entries value. One thing worth noting is early_drop. It really should use LRU, so it now has to iterate over the entire chain to find the last unconfirmed entry. Since chains shouldn't be very long and the entire operation is very rare this shouldn't be a problem. 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
Also make them static. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yasuyuki Kozakai 提交于
Signed-off-by: NYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 08 6月, 2007 1 次提交
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由 Patrick McHarrdy 提交于
When a helper module is unloaded all conntracks refering to it have their helper pointer NULLed out, leading to lots of races. In most places this can be fixed by proper use of RCU (they do already check for != NULL, but in a racy way), additionally nf_conntrack_expect_related needs to bail out when no helper is present. Also remove two paranoid BUG_ONs in nf_conntrack_proto_gre that are racy and not worth fixing. Signed-off-by: NPatrick McHarrdy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 12月, 2006 7 次提交
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由 Patrick McHardy 提交于
- move EXPORT_SYMBOL next to exported symbol - use EXPORT_SYMBOL_GPL since this is what the original code 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
Some helpers (namely H.323) manually assign further helpers to expected connections. This is not possible with nf_conntrack anymore since we need to know whether a helper is used at allocation time. Handle the helper assignment centrally, which allows to perform the correct allocation and as a nice side effect eliminates the need for the H.323 helper to fiddle with nf_conntrack_lock. Mid term the allocation scheme really needs to be redesigned since we do both the helper and expectation lookup _twice_ for every new connection. 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
Adding the alignment to the size doesn't make any sense, what it should do is align the size of the conntrack structure to the alignment requirements of the helper structure and return an aligned pointer in nfct_help(). 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>
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由 Martin Josefsson 提交于
Rename 'struct nf_conntrack_protocol' to 'struct nf_conntrack_l4proto' in order to help distinguish it from 'struct nf_conntrack_l3proto'. It gets rather confusing with 'nf_conntrack_protocol'. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Place rarely written variables in the read-mostly section by using __read_mostly Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
This patch splits out handling of helpers into its own file nf_conntrack_helper.c Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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