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In current code, the odp_execute_actions() function does not check
the value of "userspace" function pointer before invoking it. This
patch adds a check for it.
Signed-off-by: Alex Wang <alexw@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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This support is added through the userspace slow path, because we don't
judge that this is important enough to require permanent support in the
Linux kernel ABI.
Bug #19259.
CC: Teemu Koponen <koponen@nicira.com>
CC: Pankaj Thakkar <thakkar@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Signed-off-by: Ben Pfaff <blp@nicira.com>
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Signed-off-by: Romain Lenglet <rlenglet@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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The skb_mark field is currently only available with the Linux datapath
and is only used internally. However, it is desirable to expose this
through OpenFlow and when it is exposed ideally it would not be system-
specific. In preparation for this, skb_mark is rename to pkt_mark in
internal data structures for consistency.
This does not rename the Linux interfaces because doing so would break
the API. It would not necessarily be desirable to do anyways since in
Linux-specific code it is clearer to use the actual name rather than a
generic one. This can lead to confusion in some places, however, because
we do not always strictly separate generic and platform dependent code
(one example is actions). This seems inevitable though at this point if
the lower and upper layers have different names (as they must given the
above requirements).
Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
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Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Now that execute_actions() is available it can be used as a generic
replacement for special-case action execution in
execute_controller_action().
As suggested by Jesse Gross.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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The motivation for this is to allow such actions to be honoured
if they are encountered; by the user-space datapath before recirculation;
or by internal processing of actions by ovs-vswitchd before recirculation.
Recirculation will be added by a subsequent patch.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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This moves generic action execution code out of lib/dpif-netedev.c
and into a new file, lib/odp-execute.c.
This is in preparation for using odp_execute_actions()
in lib/odp-util.c to handle recirculation/
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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