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  1. 11 7月, 2007 1 次提交
  3. 25 5月, 2007 1 次提交
    • D
      [XFRM]: Allow packet drops during larval state resolution. · 14e50e57
      由 David S. Miller 提交于 
      The current IPSEC rule resolution behavior we have does not work for a
lot of people, even though technically it's an improvement from the
-EAGAIN buisness we had before.

Right now we'll block until the key manager resolves the route.  That
works for simple cases, but many folks would rather packets get
silently dropped until the key manager resolves the IPSEC rules.

We can't tell these folks to "set the socket non-blocking" because
they don't have control over the non-block setting of things like the
sockets used to resolve DNS deep inside of the resolver libraries in
libc.

With that in mind I coded up the patch below with some help from
Herbert Xu which provides packet-drop behavior during larval state
resolution, controllable via sysctl and off by default.

This lays the framework to either:

1) Make this default at some point or...

2) Move this logic into xfrm{4,6}_policy.c and implement the
   ARP-like resolution queue we've all been dreaming of.
   The idea would be to queue packets to the policy, then
   once the larval state is resolved by the key manager we
   re-resolve the route and push the packets out.  The
   packets would timeout if the rule didn't get resolved
   in a certain amount of time.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      14e50e57
  5. 04 5月, 2007 1 次提交
    • E
      [IPV6]: Some cleanups in include/net/ipv6.h · db3459d1
      由 Eric Dumazet 提交于 
      1) struct ip6_flowlabel : moves 'users' field to avoid two 32bits
   holes for 64bit arches. Shrinks by 8 bytes sizeof(struct
   ip6_flowlabel)

2) ipv6_addr_cmp() and ipv6_addr_copy() dont need (void *) casts :
   Compiler might take into account natural alignement of in6_addr
   structs to emit better code for memcpy()/memcmp() Casts to (void *)
   force byte accesses.

3) ipv6_addr_prefix() optimization :

Better to clear whole struct, as compiler can emit better code for
memset(addr, 0, 16) (2 stores on x86_64), and avoid some conditional
branches.

# size vmlinux.after vmlinux.before
   text    data     bss     dec     hex filename
5262262  647612  557432 6467306  62aeea vmlinux.after
5262550  647612  557432 6467594  62b00a vmlinux.before

thats 288 bytes saved.
Signed-off-by: NEric Dumazet <dada1@cosmosbay.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      db3459d1
  7. 03 5月, 2007 1 次提交
  9. 26 4月, 2007 4 次提交
  11. 03 12月, 2006 6 次提交
  13. 29 9月, 2006 1 次提交
  15. 23 9月, 2006 3 次提交
  17. 03 8月, 2006 1 次提交
    • H
      [IPV6]: Audit all ip6_dst_lookup/ip6_dst_store calls · 497c615a
      由 Herbert Xu 提交于 
      The current users of ip6_dst_lookup can be divided into two classes:

1) The caller holds no locks and is in user-context (UDP).
2) The caller does not want to lookup the dst cache at all.

The second class covers everyone except UDP because most people do
the cache lookup directly before calling ip6_dst_lookup.  This patch
adds ip6_sk_dst_lookup for the first class.

Similarly ip6_dst_store users can be divded into those that need to
take the socket dst lock and those that don't.  This patch adds
__ip6_dst_store for those (everyone except UDP/datagram) that don't
need an extra lock.
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      497c615a
  19. 26 4月, 2006 1 次提交
  21. 19 4月, 2006 1 次提交
  23. 21 3月, 2006 2 次提交
  25. 08 1月, 2006 1 次提交
  27. 04 1月, 2006 4 次提交
  29. 20 11月, 2005 1 次提交
  31. 09 11月, 2005 2 次提交
  33. 08 9月, 2005 2 次提交
  35. 30 8月, 2005 3 次提交
  37. 29 6月, 2005 1 次提交
  39. 25 4月, 2005 1 次提交
    • H
      [SELINUX]: Fix ipv6_skip_exthdr() invocation causing OOPS. · 0d3d077c
      由 Herbert Xu 提交于 
      The SELinux hooks invoke ipv6_skip_exthdr() with an incorrect
length final argument.  However, the length argument turns out
to be superfluous.

I was just reading ipv6_skip_exthdr and it occured to me that we can
get rid of len altogether.  The only place where len is used is to
check whether the skb has two bytes for ipv6_opt_hdr.  This check
is done by skb_header_pointer/skb_copy_bits anyway.

Now it might appear that we've made the code slower by deferring
the check to skb_copy_bits.  However, this check should not trigger
in the common case so this is OK.
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      0d3d077c
  41. 17 4月, 2005 1 次提交
    • L
      Linux-2.6.12-rc2 · 1da177e4
      由 Linus Torvalds 提交于 
      Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
      1da177e4