tcam: make salt a parameter to create
tcam: remove dead code
tcam: rename tcam_specific to tcam_shard
tcam: WIP
tcam: factor out hash_key
tcam: inline tcam_shard_match
tcam: inline tcam_shard_insert
tcam: factor out shard creation and destruction
tcam: use bighash for shard hashtable
tcam: replace array with linked list
tcam: rename fields
tcam: add underscores everywhere
add tcam-benchmark target
tcam: copy_masked a word at a time
tcam-benchmark: increase unique macs
tcam: grow buckets
tcam: cleanup grow