-/* This function uses Highest Random Weight hashing to choose an output slave.
- * This approach only reassigns a minimal number of flows when slaves are
- * enabled or disabled. Unfortunately, it has O(n) performance against the
- * number of slaves. There exist algorithms which are O(1), but have slightly
- * more complex implementations and require the use of memory. This may need
- * to be reimplemented if it becomes a performance bottleneck. */
-static struct bond_slave *
-choose_stb_slave(const struct bond *bond, uint32_t flow_hash)
-{
- struct bond_slave *best, *slave;
- uint32_t best_hash;
-
- best = NULL;
- best_hash = 0;
- HMAP_FOR_EACH (slave, hmap_node, &bond->slaves) {
- if (slave->enabled) {
- uint32_t hash;
-
- hash = hash_2words(flow_hash, slave->stb_id);
- if (!best || hash > best_hash) {
- best = slave;
- best_hash = hash;
- }
- }
- }
-
- return best;
-}
-