linux-toradex.git/net/core/flow.c, branch v3.1

net: Handle different key sizes between address families in flow cache

2011-09-16T21:47:28+00:00

With the conversion of struct flowi to a union of AF-specific structs, some
operations on the flow cache need to account for the exact size of the key.

Signed-off-by: David Ward 
Signed-off-by: David S. Miller

net: Make flow cache namespace-aware

2011-09-15T18:49:44+00:00

flow_cache_lookup will return a cached object (or null pointer) that the
resolver (i.e. xfrm_policy_lookup) previously found for another namespace
using the same key/family/dir.  Instead, make the namespace part of what
identifies entries in the cache.

As before, flow_entry_valid will return 0 for entries where the namespace
has been deleted, and they will be removed from the cache the next time
flow_cache_gc_task is run.

Reported-by: Andrew Dickinson 
Signed-off-by: David Ward 
Signed-off-by: David S. Miller

atomic: use

2011-07-26T23:49:47+00:00

This allows us to move duplicated code in 
(atomic_inc_not_zero() for now) to 

Signed-off-by: Arun Sharma 
Reviewed-by: Eric Dumazet 
Cc: Ingo Molnar 
Cc: David Miller 
Cc: Eric Dumazet 
Acked-by: Mike Frysinger 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

net: Make flow cache paths use a const struct flowi.

2011-02-23T02:44:31+00:00

Signed-off-by: David S. Miller

net: return operator cleanup

2010-09-23T21:33:39+00:00

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

flow: better memory management

2010-09-14T03:02:50+00:00

Allocate hash tables for every online cpus, not every possible ones.

NUMA aware allocations.

Dont use a full page on arches where PAGE_SIZE > 1024*sizeof(void *)

misc:
  __percpu , __read_mostly, __cpuinit annotations
  flow_compare_t is just an "unsigned long"

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

net/core: EXPORT_SYMBOL cleanups

2010-07-12T19:57:55+00:00

CodingStyle cleanups

EXPORT_SYMBOL should immediately follow the symbol declaration.

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

net: use this_cpu_ptr()

2010-06-29T06:24:29+00:00

use this_cpu_ptr(p) instead of per_cpu_ptr(p, smp_processor_id())

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

flow: delayed deletion of flow cache entries

2010-04-07T10:43:20+00:00

Speed up lookups by freeing flow cache entries later. After
virtualizing flow cache entry operations, the flow cache may now
end up calling policy or bundle destructor which can be slowish.

As gc_list is more effective with double linked list, the flow cache
is converted to use common hlist and list macroes where appropriate.

Signed-off-by: Timo Teras 
Signed-off-by: David S. Miller

flow: virtualize flow cache entry methods

2010-04-07T10:43:18+00:00

This allows to validate the cached object before returning it.
It also allows to destruct object properly, if the last reference
was held in flow cache. This is also a prepartion for caching
bundles in the flow cache.

In return for virtualizing the methods, we save on:
- not having to regenerate the whole flow cache on policy removal:
  each flow matching a killed policy gets refreshed as the getter
  function notices it smartly.
- we do not have to call flow_cache_flush from policy gc, since the
  flow cache now properly deletes the object if it had any references

Signed-off-by: Timo Teras 
Acked-by: Herbert Xu 
Signed-off-by: David S. Miller