12 May, 2010
3 commits
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Since xt_action_param is writable, let's use it. The pointer to
'bool hotdrop' always worried (8 bytes (64-bit) to write 1 byte!).
Surprisingly results in a reduction in size:text data bss filename
5457066 692730 357892 vmlinux.o-prev
5456554 692730 357892 vmlinux.oSigned-off-by: Jan Engelhardt
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In future, layer-3 matches will be an xt module of their own, and
need to set the fragoff and thoff fields. Adding more pointers would
needlessy increase memory requirements (esp. so for 64-bit, where
pointers are wider).Signed-off-by: Jan Engelhardt
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Signed-off-by: Jan Engelhardt
25 Mar, 2010
3 commits
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The following semantic patch does part of the transformation:
//
@ rule1 @
struct xt_match ops;
identifier check;
@@
ops.checkentry = check;@@
identifier rule1.check;
@@
check(...) { }@@
identifier rule1.check;
@@
check(...) { }
//Signed-off-by: Jan Engelhardt
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Restore function signatures from bool to int so that we can report
memory allocation failures or similar using -ENOMEM rather than
always having to pass -EINVAL back.This semantic patch may not be too precise (checking for functions
that use xt_mtchk_param rather than functions referenced by
xt_match.checkentry), but reviewed, it produced the intended result.//
@@
type bool;
identifier check, par;
@@
-bool check
+int check
(struct xt_mtchk_param *par) { ... }
//Signed-off-by: Jan Engelhardt
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Supplement to 1159683ef48469de71dc26f0ee1a9c30d131cf89.
Downgrade the log level to INFO for most checkentry messages as they
are, IMO, just an extra information to the -EINVAL code that is
returned as part of a parameter "constraint violation". Leave errors
to real errors, such as being unable to create a LED trigger.Signed-off-by: Jan Engelhardt
18 Mar, 2010
1 commit
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Signed-off-by: Jan Engelhardt
08 Oct, 2008
3 commits
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This patch does this for match extensions' checkentry functions.
Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy -
The function signatures for Xtables extensions have grown over time.
It involves a lot of typing/replication, and also a bit of stack space
even if they are not used. Realize an NFWS2008 idea and pack them into
structs. The skb remains outside of the struct so gcc can continue to
apply its optimizations.This patch does this for match extensions' match functions.
A few ambiguities have also been addressed. The "offset" parameter for
example has been renamed to "fragoff" (there are so many different
offsets already) and "protoff" to "thoff" (there is more than just one
protocol here, so clarify).Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy -
Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
14 Apr, 2008
1 commit
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Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
29 Jan, 2008
2 commits
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Updates the MODULE_DESCRIPTION() tags for all Netfilter modules,
actually describing what the module does and not just
"netfilter XYZ target".Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller -
Give all Netfilter modules consistent and unique symbol names.
Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller
11 Jul, 2007
4 commits
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Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller -
Switch the return type of match functions to boolean
Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller -
Switch the return type of match functions to boolean
Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller -
Switch the "hotdrop" variables to boolean
Signed-off-by: Jan Engelhardt
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller
23 Sep, 2006
2 commits
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The size is verified by x_tables and isn't needed by the modules anymore.
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller -
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller
01 Apr, 2006
1 commit
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This unifies ipt_esp and ip6t_esp to xt_esp. Please note that now
a user program needs to specify IPPROTO_ESP as protocol to use esp match
with IPv6. This means that ip6tables requires '-p esp' like iptables.Signed-off-by: Yasuyuki Kozakai
Signed-off-by: Patrick McHardy
Signed-off-by: David S. Miller
