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Before this fix, the src_ip_sticky flag was passed as an argument to
the lb_node_get_hash function, which computes a hash value for a packet.
However, in per-port-vip case, the value of src_ip_sticky flag may be
different for each port number. As a result, the value is the same for
all port numbers, even though it is a per-port-vip case.
This commit fixes the src_ip_sticky evaluation by delaying it until the
packet is received, so that the correct value is obtained. Also, the
unit test case has been enhanced for this bug fix.
The steps to reproduce this bug are described below:
https://lists.fd.io/g/vpp-dev/message/23248
Type: fix
Fixes: 613e6dc0bf92 ("lb: add source ip based sticky load balancing")
Change-Id: I483492b214a1768e7a21fd86edd5151b3c46528b
Signed-off-by: Nobuhiro MIKI <nmiki@yahoo-corp.jp>
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This patch adds source ip based sticky session, which is already
implemented in many hardware LBs and software LBs. Note that sticky
sessions may be reset if the hash is recalculated as ASs are added
or deleted.
Since this feature is unrelated to the other existing options, the
lb_add_del_vip API version has been upgraded to v2 and a new option
"src_ip_sticky" has been added.
Type: feature
Signed-off-by: Nobuhiro MIKI <nmiki@yahoo-corp.jp>
Change-Id: I3eb3680a28defbc701f28c873933ec2fb54544ab
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Type: improvement
Change-Id: Ib7e2f5f314144064de7b6be0fade3db2f9c943fe
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
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Type: docs
Change-Id: I9b5e5137eb4c1e89f6e8d7a278cd11a0fd496471
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
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Spinlock performance improved when implemented with compare_and_exchange
instead of test_and_set. All instances of test_and_set locks were refactored
to use clib_spinlock_t when possible. Some locks e.g. ssvm synchronize
between processes rather than threads, so they cannot directly use
clib_spinlock_t.
Type: refactor
Change-Id: Ia16b5d4cd49209b2b57b8df6c94615c28b11bb60
Signed-off-by: Jason Zhang <jason.zhang2@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Reviewed-by: Lijian Zhang <Lijian.Zhang@arm.com>
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Change-Id: Ib0a06ab71aed42eb5bb2ab2edf4844b2167e0610
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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This patch depends on https://gerrit.fd.io/r/#/c/13260
Change-Id: If94968342935ebd24cf4ebed238e6a27d94959b7
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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Previously, a service is specified by vip.
This patch extend that a service is specified
by both vip and per-port-vip cases.
Change-Id: Icbfd1f972c6bafde7d85c6abb498576bd9ba250d
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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Fixes clang error: equality comparison with extraneous parentheses
Changing all the #defines to inlines.
Change-Id: I30a931679ac3325b23b249b1ae28c7c8cf54b012
Signed-off-by: Sirshak Das<sirshak.das@arm.com>
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Add support of NAT66
Change-Id: Ie6aa79078a3835f989829b9a597c448dfd2f9ea3
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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Change-Id: I994649761fe2e66e12ae0e49a84fb1d0a966ddfb
Signed-off-by: Neale Ranns <nranns@cisco.com>
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L3DSR is used to overcome Layer 2 limitations
of Direct Server Return Load Balancing.
It maps VIP to DSCP bits, and reuse TOS bits to transfer it
to server, and then server will get VIP from DSCP-to-VIP mapping.
Please refer to https://www.nanog.org/meetings/nanog51/presentations/Monday/NANOG51.Talk45.nanog51-Schaumann.pdf
Change-Id: I403ffeadfb04ed0265086eb2dc41f2e17f8f34cb
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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Change-Id: Ic8b193e93ce18ca82b294816aa7ee0ef31d64bc2
Signed-off-by: Pierre Pfister <ppfister@cisco.com>
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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Change-Id: I1c3b87e886603678368428ae56a6bd3327cbc90d
Signed-off-by: Damjan Marion <damarion@cisco.com>
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