pktgen: Remove fill_imix_distribution() CONFIG_XFRM dependency

Currently, the declaration of fill_imix_distribution() is dependent
on CONFIG_XFRM. This is incorrect.

Move fill_imix_distribution() declaration out of #ifndef CONFIG_XFRM
block.
Signed-off-by: NNick Richardson <richardsonnick@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/pktgen.c

@@ -2601,6 +2601,32 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
 	pkt_dev->flows[flow].count++;
 }
 
+static void fill_imix_distribution(struct pktgen_dev *pkt_dev)
+{
+	int cumulative_probabilites[MAX_IMIX_ENTRIES];
+	int j = 0;
+	__u64 cumulative_prob = 0;
+	__u64 total_weight = 0;
+	int i = 0;
+
+	for (i = 0; i < pkt_dev->n_imix_entries; i++)
+		total_weight += pkt_dev->imix_entries[i].weight;
+
+	/* Fill cumulative_probabilites with sum of normalized probabilities */
+	for (i = 0; i < pkt_dev->n_imix_entries - 1; i++) {
+		cumulative_prob += div64_u64(pkt_dev->imix_entries[i].weight *
+						     IMIX_PRECISION,
+					     total_weight);
+		cumulative_probabilites[i] = cumulative_prob;
+	}
+	cumulative_probabilites[pkt_dev->n_imix_entries - 1] = 100;
+
+	for (i = 0; i < IMIX_PRECISION; i++) {
+		if (i == cumulative_probabilites[j])
+			j++;
+		pkt_dev->imix_distribution[i] = j;
+	}
+}
 
 #ifdef CONFIG_XFRM
 static u32 pktgen_dst_metrics[RTAX_MAX + 1] = {
@@ -2662,33 +2688,6 @@ static void free_SAs(struct pktgen_dev *pkt_dev)
 	}
 }
 
-static void fill_imix_distribution(struct pktgen_dev *pkt_dev)
-{
-	int cumulative_probabilites[MAX_IMIX_ENTRIES];
-	int j = 0;
-	__u64 cumulative_prob = 0;
-	__u64 total_weight = 0;
-	int i = 0;
-
-	for (i = 0; i < pkt_dev->n_imix_entries; i++)
-		total_weight += pkt_dev->imix_entries[i].weight;
-
-	/* Fill cumulative_probabilites with sum of normalized probabilities */
-	for (i = 0; i < pkt_dev->n_imix_entries - 1; i++) {
-		cumulative_prob += div64_u64(pkt_dev->imix_entries[i].weight *
-						     IMIX_PRECISION,
-					     total_weight);
-		cumulative_probabilites[i] = cumulative_prob;
-	}
-	cumulative_probabilites[pkt_dev->n_imix_entries - 1] = 100;
-
-	for (i = 0; i < IMIX_PRECISION; i++) {
-		if (i == cumulative_probabilites[j])
-			j++;
-		pkt_dev->imix_distribution[i] = j;
-	}
-}
-
 static int process_ipsec(struct pktgen_dev *pkt_dev,
 			      struct sk_buff *skb, __be16 protocol)
 {