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In one's complement, there are two representations of zero: the all
zero and the all one bit values, often referred to as +0 and -0. See
RFC 1624 section 3 for more details.
This used to be taken care of in ip4_header_checksum(), but it is no
longer the case. The check ip->checksum == ip4_header_checksum (ip) is
no longer correct in the -0 case.
Always use ip4_header_checksum_is_valid() instead (which behaves
correctly since 9a79a1ab931c3b5a7ae07d6f0fcfef7c4368a2c4).
Type: fix
Fixes: e5f0050c7a5d411f96af6401797529d58825e2af
Change-Id: Iacc6b60645a834287b085aecb9e3fdb4554cf0cf
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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Type: refactor
Change-Id: I0bb203102a0e13dd7448e2125925ab356bbd7937
Signed-off-by: Filip Varga <fivarga@cisco.com>
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Change in snat_ipfix_header_create() to use thread-specific
vlib_main_t *vm pointer to avoid problems with different threads
accessing the same vlib_main_t data structure. This avoids
assertion failure when vlib_time_now() is called with a vm
corresponding to a different thread.
Type: fix
Signed-off-by: Elias Rudberg <elias.rudberg@bahnhof.net>
Change-Id: I2096c1debb5688d3b97e5ed9a0ea78d94053d8b7
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Identified and removed executable bit from source files in the tree.
find . -perm 755 -name *.[ch] -exec chmod a-x {} \;
Type: improvement
Signed-off-by: Ray Kinsella <mdr@ashroe.eu>
Change-Id: I00710d59fcc46ce5be5233109af4c8077daff74b
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Use a lookup table instead.
Type: improvement
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: Ia8461099828bb8824bf016201f135e6b69c444d1
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Use thread-specific vlib_main_t *vm pointers to avoid problems
with different threads accessing the same vlib_main_t data
structure. This avoids crashing when ipfix logging is enabled
and several threads are used.
Type: fix
Signed-off-by: Elias Rudberg <elias.rudberg@bahnhof.net>
Change-Id: Ic1d3d335919d7666ead14be1153eb8c8c07b7356
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Type: improvement
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: If5c00faa309cf3e1ea8bdf8b23250041f6a499c4
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Type: fix
Change-Id: I04f136a04bc022d223e4bcb5c59920bd1f1fd560
Signed-off-by: Filip Varga <filipvarga89@gmail.com>
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Change-Id: I4dbeed0b94003a698e9218648d4b352db6fbb70e
Signed-off-by: dongjuan <dong.juan1@zte.com.cn>
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Change-Id: I428bd25a513eb9fe65bea56572fea8cab7c51681
Signed-off-by: Filip Varga <fivarga@cisco.com>
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Change-Id: Ia083050389853c25b069f0f8286d50d3f4aef527
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: Ie999ab852cc3775ec90820624d97be746d2590a4
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
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NAT44 (vanilla/simple and endpoint-dependent mode) now lazily delete expired
sessions. When inserting to session lookup hash and bucket is full, expired
session is overwritten.
Change-Id: Ib1b34959f60f0ca4f5b13525b1d41dd2f992288d
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I088163f10ae5515d7a9115781cc13ef563fafed5
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Instead of repeatedly cutting, pasting, and hacking to create a new
callback, use vnet_flow_rewrite_generic_callback(). Add three
arguments to the flow rewrite callback:
(in) pointer to an array of report elements,
(in) length of array,
(out) pointer to the stream index
Change existing code prototypes. Code owners encouraged to evaluate
whether they can use the generic callback or not, at leisure.
/* ipfix field definitions for a particular report */
typedef struct
{
u32 info_element;
u32 size;
} ipfix_report_element_t;
Best generated like so:
_(sourceIPv4Address, 4) \
_(destinationIPv4Address, 4) \
_(sourceTransportPort, 2) \
_(destinationTransportPort, 2) \
_(protocolIdentifier, 1) \
_(flowStartMicroseconds, 8) \
_(flowEndMicroseconds, 8)
static ipfix_report_element_t simple_report_elements[] = {
foreach_simple_report_ipfix_element
};
...
/* Set up the ipfix report */
memset (&a, 0, sizeof (a));
a.is_add = 1 /* to enable the report */ ;
a.domain_id = 1 /* pick a domain ID */ ;
a.src_port = UDP_DST_PORT_ipfix /* src port for reports */ ;
a.rewrite_callback = vnet_flow_rewrite_generic_callback;
a.report_elements = simple_report_elements;
a.n_report_elements = ARRAY_LEN (simple_report_elements);
a.stream_indexp = &jim->stream_index;
a.flow_data_callback = simple_flow_data_callback;
/* Create the report */
rv = vnet_flow_report_add_del (frm, &a, &template_id);
if (rv)
return rv;
...
Change-Id: If6131e6821d3a37a29269c0d58040cdf18ff05e4
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: I9363cf54b73f7cfd8622af6f1cb250438ea0d3b6
Signed-off-by: Ole Troan <ot@cisco.com>
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Change-Id: I853386aebfe488ebb10328435b81b6e3403c5dd0
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ib90dc5613c9fdac0344b3bd7f163e2f7163c64d8
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Id98b523f7b20f82291a34e73762978fa65e24140
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I30a7e3da7a4efc6038a91e27b48045d4b07e2764
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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