net: enetc: move up enetc_reuse_page and enetc_page_reusable

For XDP_TX, we need to call enetc_reuse_page from enetc_clean_tx_ring,
so we need to avoid a forward declaration.

Signed-off-by: Vladimir Oltean <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: vladimiroltean

drivers/net/ethernet/freescale/enetc/enetc.c

@@ -275,6 +275,25 @@ static int enetc_bd_ready_count(struct enetc_bdr *tx_ring, int ci)
 	return pi >= ci ? pi - ci : tx_ring->bd_count - ci + pi;
 }
 
+static bool enetc_page_reusable(struct page *page)
+{
+	return (!page_is_pfmemalloc(page) && page_ref_count(page) == 1);
+}
+
+static void enetc_reuse_page(struct enetc_bdr *rx_ring,
+			     struct enetc_rx_swbd *old)
+{
+	struct enetc_rx_swbd *new;
+
+	new = &rx_ring->rx_swbd[rx_ring->next_to_alloc];
+
+	/* next buf that may reuse a page */
+	enetc_bdr_idx_inc(rx_ring, &rx_ring->next_to_alloc);
+
+	/* copy page reference */
+	*new = *old;
+}
+
 static void enetc_get_tx_tstamp(struct enetc_hw *hw, union enetc_tx_bd *txbd,
 				u64 *tstamp)
 {
@@ -516,25 +535,6 @@ static void enetc_get_offloads(struct enetc_bdr *rx_ring,
 #endif
 }
 
-static bool enetc_page_reusable(struct page *page)
-{
-	return (!page_is_pfmemalloc(page) && page_ref_count(page) == 1);
-}
-
-static void enetc_reuse_page(struct enetc_bdr *rx_ring,
-			     struct enetc_rx_swbd *old)
-{
-	struct enetc_rx_swbd *new;
-
-	new = &rx_ring->rx_swbd[rx_ring->next_to_alloc];
-
-	/* next buf that may reuse a page */
-	enetc_bdr_idx_inc(rx_ring, &rx_ring->next_to_alloc);
-
-	/* copy page reference */
-	*new = *old;
-}
-
 static struct enetc_rx_swbd *enetc_get_rx_buff(struct enetc_bdr *rx_ring,
 					       int i, u16 size)
 {