IONIC_RX_FILTER_HASH_BITS
key = hash_32(key, IONIC_RX_FILTER_HASH_BITS);
key = hash_32(vid, IONIC_RX_FILTER_HASH_BITS);
key = hash_32(*(u32 *)addr, IONIC_RX_FILTER_HASH_BITS);
key = hash_32(0, IONIC_RX_FILTER_HASH_BITS);
#define IONIC_RX_FILTER_HLISTS BIT(IONIC_RX_FILTER_HASH_BITS)