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| author |   Dave Barach <dave@barachs.net> | 2017-10-18 18:48:11 -0400 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2017-10-19 04:35:54 +0000 |
| commit | 7bee773e71b81a1e13a656030b0f7edae99c5e92 (patch) | |
| tree | 86f615367c1b3bf29ecd2957c7dbea2d9e6ed0a6 /src/vnet/buffer.h | |
| parent | 9c4b5b28b1c1df0c100b377a2f5bfc07bd9a0b2e (diff) | |
VPP-1024: rewrite buffer trajectory tracer
Use a proper u16 * vector to capture node indices, since vpp w/
plugins now exceeds 255 graph nodes
Change-Id: Ic48cad676fa3a6116413ddf08c083dd9660783f1
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/buffer.h')
| -rw-r--r-- | src/vnet/buffer.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h index 7567b875248..045328816cd 100644 --- a/src/vnet/buffer.h +++ b/src/vnet/buffer.h @@ -317,9 +317,26 @@ typedef struct { union { +#if VLIB_BUFFER_TRACE_TRAJECTORY > 0 + /* buffer trajectory tracing */ + struct + { + u16 *trajectory_trace; + }; +#endif + u32 unused[12]; }; } vnet_buffer_opaque2_t; +#define vnet_buffer2(b) ((vnet_buffer_opaque2_t *) (b)->opaque2) + +/* + * The opaque2 field of the vlib_buffer_t is intepreted as a + * vnet_buffer_opaque2_t. Hence it should be big enough to accommodate one. + */ +STATIC_ASSERT (sizeof (vnet_buffer_opaque2_t) <= + STRUCT_SIZE_OF (vlib_buffer_t, opaque2), + "VNET buffer opaque2 meta-data too large for vlib_buffer"); #endif /* included_vnet_buffer_h */ |