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2019-01-18buffers: remove freelist argument from vlib_buffer_add_dataDamjan Marion1-5/+3
Change-Id: Idb224b807373128b78dc46f177b2d2e0ed288349 Signed-off-by: Damjan Marion <damarion@cisco.com>
2019-01-07Handle buffer alloc failure in vlib_buffer_add_dataDave Barach1-11/+25
It's not OK to crash due to a transient buffer allocation failure. Return 1 if the requested operation failed, otherwise 0. Buffer index parameter change to a value-result, so the caller can differentiate between partial and complete allocation failure: callers which request an initial allocation (inbound bi = ~0) need to check the (out) value to decide whether or not to call vlib_buffer_free(...). Change-Id: I03029d7f2714c17dca4630dfd95a1eb578b68384 Signed-off-by: Dave Barach <dave@barachs.net>
2018-11-14Remove c-11 memcpy checks from perf-critical codeDave Barach2-6/+6
Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1 Signed-off-by: Dave Barach <dave@barachs.net>
2018-11-13vlib rename vlib_frame_args(...) to vlib_frame_scalar_args(..)Damjan Marion1-1/+1
Typically we have scalar_size == 0, so it doesn't matter but vlib_frame_args was providing pointer to scalar frame data, not vector data. To avoid future confusion function is renamed to vlib_frame_scalar_args(...) Change-Id: I48b75523b46d487feea24f3f3cb10c528dde516f Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-10-23c11 safe string handling supportDave Barach2-4/+4
Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab Signed-off-by: Dave Barach <dave@barachs.net>
2018-10-01API / CLI event-log tracingDave Barach2-153/+1
Add an "elog trace [api][cli][barrier]" debug CLI command. Removed the barrier elog test command. Remove unused reliable multicast code. Change-Id: Ib3ecde901b7c49fe92b313d0087cd7e776adcdce Signed-off-by: Dave Barach <dave@barachs.net>
2018-06-11MTU: Software interface / Per-protocol MTU supportOle Troan1-1/+1
This patch separates setting of hardware interfaec and software interface MTU. Software MTU is L2 payload MTU (i.e. not including L2 header). Per-protocol MTU for IPv4, IPv6 and MPLS can also be set. Currently only IP4, IP6 are enabled in adjacency / rewrite code. Documentation in src/vnet/MTU.md Change-Id: Iee2fd6f0bbc8210748dd8e073ab9fab87d323690 Signed-off-by: Ole Troan <ot@cisco.com>
2018-03-16Fix a long-latent bi=0 bug in vlib_buffer_add_dataDave Barach1-2/+2
Change vlib_buffer_add_data() so it interprets ~0 to mean please allocate a new buffer, instead of 0. Fixed a couple of calls to pass ~0 instead of 0. Zero has always been a valid buffer index, we never happened to actually use it until recent buffer allocator changes. The presenting symptom: ASSERT failure when running "make TEST=test_mpls test-debug" Change-Id: Ic909913c1d464b3434d6d47e0c58f978806854d5 Signed-off-by: Dave Barach <dave@barachs.net>
2017-10-24Add extern to *_main global variable declarations in header files.Dave Wallace2-1/+3
- Global variables declared in header files without the use of the 'extern' keword will result in multiple instances of the variable to be created by the compiler -- one for each different source file in which the the header file is included. This results in wasted memory allocated in the BSS segments as well as potentially introducing bugs in the application. Change-Id: I6ef1790b60a0bd9dd3994f8510723decf258b0cc Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-10-04[aarch64] Fixes CLI crashes on dpaa2 platform.Christophe Fontaine1-1/+1
- always use 'va_args' as pointer in all format_* functions - u32 for all 'indent' params as it's declaration was inconsistent Change-Id: Ic5799309a6b104c9b50fec309cba789c8da99e79 Signed-off-by: Christophe Fontaine <christophe.fontaine@enea.com>
2017-04-07MPLS McastNeale Ranns1-1/+1
1 - interface-DPO Used in the Data-plane to change a packet's input interface 2 - MPLS multicast FIB entry Same as a unicast entry but it links to a replicate not a load-balance DPO 3 - Multicast MPLS tunnel Update MPLS tunnels to use a FIB path-list to describe the endpoint[s]. Use the path-list to generate the forwarding chain (DPOs) to link to . 4 - Resolve a path via a local label (of an mLDP LSP) For IP multicast entries to use an LSP in the replication list, we need to decribe the 'resolve-via-label' where the label is that of a multicast LSP. 5 - MPLS disposition path sets RPF-ID For a interface-less LSP (i.e. mLDP not RSVP-TE) at the tail of the LSP we still need to perform an RPF check. An MPLS disposition DPO performs the MPLS pop validation checks and sets the RPF-ID in the packet. 6 - RPF check with per-entry RPF-ID An RPF-ID is used instead of a real interface SW if index in the case the IP traffic arrives from an LSP that does not have an associated interface. Change-Id: Ib92e177be919147bafeb599729abf3d1abc2f4b3 Signed-off-by: Neale Ranns <nranns@cisco.com>
2016-12-28Reorganize source tree to use single autotools instanceDamjan Marion6-0/+2120
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>