| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Ben Warren <ben@skyportsystems.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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./configure accepts --enable-ndebug option. Make ovs_assert() honor
it, and make sure all test programs disable it.
The order of include files in test programs is also made uniform:
1. #include <config.h>
2. #undef NDEBUG
3. Include file of the test subject (to make sure it itself has
sufficient include directives).
4. System includes in alphapetical order.
5. OVS includes in aplhapetical order.
Suggested-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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Improve link speed by linking 29 test programs into ovstest.
On my machine, running the following command against a fully
built tree:
$ touch lib/random.c; time make
Improve the overall build time from 7 seconds to 3.5 seconds.
Signed-off-by: Andy Zhou <azhou@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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This allows other libraries to use util.h that has already
defined NOT_REACHED.
Signed-off-by: Harold Lim <haroldl@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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This patch gets rid of the need for having explicit padding in struct
flow as new fields are being added. flow_wildcards_init_exact(), which
used to set bits in both compiler generated and explicit padding, is
removed. match_wc_init() is now used instead, which generates the mask
based on a given flow, setting bits only in fields which make sense.
Places where random bits were placed in struct flow have been changed to
only set random bits on fields that are significant in the given context.
This avoids setting padding bits.
- lib/flow:
- Properly initialize struct flow also in places we used to zero out
padding before.
- Add flow_random_hash_fields() used for testing.
- Remove flow_wildcards_init_exact() to avoid initializing
masks where compiler generated padding has bits set.
- lib/match.c match_wc_init(): Wildcard transport layer fields for later
fragments, remove match_init_exact(), which used
flow_wildcards_init_exact().
- tests/test-flows.c: use match_wc_init() instead of match_init_exact()
- tests/flowgen.pl: generate more accurate packets and flows when
fragmenting, mark unavailable fields as wildcarded.
Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Rather than tracking the MPLS depth as a field in the
flow, which is an entirely poor place for it, just track
the delta to the MPLS depth during translation.
This logic was developed while implementing recirculation
and intended to be used to detect when recirculation should
occur. This variant of the patch uses the logic to determine
if processing of actions should stop due to an MPLS
action which cannot be translated (without recirculation).
A side-effect of this patch is that it resolves a bug
whereby ovs-vswitchd will abort due to to an assertion
on eth_type_mpls(ctx->xin->flow.dl_type) in compose_mpls_pop_action(()
if the actions of a flow include pop_mpls twice without
a push_mpls in between.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Until now, failure to parse a flow in the ofp-parse module has caused the
program to abort immediately with a fatal error. This makes it hard to
use these functions from any long-lived program. This commit fixes the
problem.
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Dynamically determines the flow fields that were relevant in
processing flows based on the OpenFlow flow table and switch
configuration. The immediate use for this functionality is to
cache action translations for similar flows in facets. This yields
a roughly 80% improvement in flow set up rates for a complicated
flow table.
More importantly, these wildcards will be used to determine what to
wildcard for the forthcoming kernel wildcard (megaflow) patches
that will allow wildcarding in the kernel, which will provide
significant flow set up improvements.
The approach to tracking fields and caching action translations in
facets was based on an impressive prototype by Ethan Jackson.
Co-authored-by: Ethan Jackson <ethan@nicira.com>
Signed-off-by: Ethan Jackson <ethan@nicira.com>
Signed-off-by: Justin Pettit <jpettit@nicira.com>
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This patch implements use-space datapath and non-datapath code
to match and use the datapath API set out in Leo Alterman's patch
"user-space datapath: Add basic MPLS support to kernel".
The resulting MPLS implementation supports:
* Pushing a single MPLS label
* Poping a single MPLS label
* Modifying an MPLS lable using set-field or load actions
that act on the label value, tc and bos bit.
* There is no support for manipulating the TTL
this is considered future work.
The single-level push pop limitation is implemented by processing
push, pop and set-field/load actions in order and discarding information
that would require multiple levels of push/pop to be supported.
e.g.
push,push -> the first push is discarded
pop,pop -> the first pop is discarded
This patch is based heavily on work by Ravi K.
Cc: Ravi K <rkerur@gmail.com>
Reviewed-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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My previous 72e8bf28bb38e8816435c64859fb350215b6a9e6 (datapath:
add skb mark matching and set action) commit broke 32-bit builds.
This patch assures that size of struct flow is equal on both
32-bit and 64-bit architectures so that build asserts would
not fire anymore.
Acked-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Ansis Atteka <aatteka@nicira.com>
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The current code has a simple mapping between datapath and OpenFlow port
numbers (the port numbers were the same other than OFPP_LOCAL which maps
to datapath port 0). Since the translation was know at compile time,
this allowed different layers to easily translate between the two, so
the translation often occurred late.
A future commit will break this simple mapping, so this commit draws a
line between where datapath and OpenFlow port numbers are used. The
ofproto-dpif layer will be responsible for the translations. Callers
above will use OpenFlow port numbers. Providers below will use
datapath port numbers.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
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Signed-off-by: Ben Pfaff <blp@nicira.com>
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OpenFlow actions have always been somewhat awkward to handle.
Moreover, over time we've started creating actions that require more
complicated parsing. When we maintain those actions internally in
their wire format, we end up parsing them multiple times, whenever
we have to look at the set of actions.
When we add support for OpenFlow 1.1 or later protocols, the situation
will get worse, because these newer protocols support many of the same
actions but with different representations. It becomes unrealistic to
handle each protocol in its wire format.
This commit adopts a new strategy, by converting OpenFlow actions into
an internal form from the wire format when they are read, and converting
them back to the wire format when flows are dumped. I believe that this
will be more maintainable over time.
Thanks to Simon Horman and Pravin Shelar for reviews.
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Replaced all instances of Nicira Networks(, Inc) to Nicira, Inc.
Feature #10593
Signed-off-by: Raju Subramanian <rsubramanian@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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