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classify: add simple mechanism for automatic flow creation (VPP-338)

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VPP-338 Support wildcards in IPFIX flow configuration

Change-Id: Ie5ab4f89d70153c3b15fc6bd8d97fa383ee842d9
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
This commit is contained in:
Juraj Sloboda
2016-08-25 06:40:29 -07:00
committed by Damjan Marion
parent 11fa895bb9
commit 7e9e6e1f1c
1 changed files with 5 additions and 23 deletions
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28
vnet/vnet/classify/flow_classify_node.c
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@@ -228,35 +228,17 @@ flow_classify_inline (vlib_main_t * vm,
hash0 = vnet_buffer(b0)->l2_classify.hash;
t0 = pool_elt_at_index (vcm->tables, table_index0);
e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
if (e0)
{
hits++;
}
else
{
while (1)
{
if (PREDICT_TRUE(t0->next_table_index != ~0))
{
t0 = pool_elt_at_index (vcm->tables,
t0->next_table_index);
}
else
{
misses++;
break;
}
hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
if (e0)
{
hits++;
chain_hits++;
break;
}
}
misses++;
vnet_classify_add_del_session (vcm, table_index0,
h0, ~0, 0, 0, 0, 0, 1);
/* increment counter */
vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
}
}
if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)