+#define FILTER_ID_MAX (~0U)
+
+struct tid_info;
+struct adapter;
+
+/**
+ * Find first clear bit in the bitmap.
+ */
+static inline unsigned int cxgbe_find_first_zero_bit(struct rte_bitmap *bmap,
+ unsigned int size)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < size; idx++)
+ if (!rte_bitmap_get(bmap, idx))
+ break;
+
+ return idx;
+}
+
+/**
+ * Find a free region of 'num' consecutive entries.
+ */
+static inline unsigned int
+cxgbe_bitmap_find_free_region(struct rte_bitmap *bmap, unsigned int size,
+ unsigned int num)
+{
+ unsigned int idx, j, free = 0;
+
+ if (num > size)
+ return size;
+
+ for (idx = 0; idx < size; idx += num) {
+ for (j = 0; j < num; j++) {
+ if (!rte_bitmap_get(bmap, idx + j)) {
+ free++;
+ } else {
+ free = 0;
+ break;
+ }
+ }
+
+ /* Found the Region */
+ if (free == num)
+ break;
+
+ /* Reached the end and still no region found */
+ if ((idx + num) > size) {
+ idx = size;
+ break;
+ }
+ }
+
+ return idx;
+}
+
+bool is_filter_set(struct tid_info *, int fidx, int family);
+void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl);
+void clear_filter(struct filter_entry *f);
+int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx);
+int writable_filter(struct filter_entry *f);
+int cxgbe_set_filter(struct rte_eth_dev *dev, unsigned int filter_id,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx);
+int cxgbe_del_filter(struct rte_eth_dev *dev, unsigned int filter_id,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx);
+int cxgbe_alloc_ftid(struct adapter *adap, unsigned int family);
+int init_hash_filter(struct adapter *adap);
+void hash_filter_rpl(struct adapter *adap, const struct cpl_act_open_rpl *rpl);
+void hash_del_filter_rpl(struct adapter *adap,
+ const struct cpl_abort_rpl_rss *rpl);
+int validate_filter(struct adapter *adap, struct ch_filter_specification *fs);
+int cxgbe_get_filter_count(struct adapter *adapter, unsigned int fidx,
+ u64 *c, int hash, bool get_byte);
+int cxgbe_clear_filter_count(struct adapter *adapter, unsigned int fidx,
+ int hash, bool clear_byte);