i40e: split i40e_get_strings() into smaller functions

Split the statistic strings and private flags strings into their own
separate functions to aid code readability.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_ethtool.c

@@ -1787,8 +1787,7 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
 		data[i++] = pf->stats.priority_xon_2_xoff[j];
 }
 
-static void i40e_get_strings(struct net_device *netdev, u32 stringset,
-			     u8 *data)
+static void i40e_get_stat_strings(struct net_device *netdev, u8 *data)
 {
 	struct i40e_netdev_priv *np = netdev_priv(netdev);
 	struct i40e_vsi *vsi = np->vsi;
@@ -1796,12 +1795,6 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
 	char *p = (char *)data;
 	unsigned int i;
 
-	switch (stringset) {
-	case ETH_SS_TEST:
-		memcpy(data, i40e_gstrings_test,
-		       I40E_TEST_LEN * ETH_GSTRING_LEN);
-		break;
-	case ETH_SS_STATS:
 	for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
 		snprintf(p, ETH_GSTRING_LEN, "%s",
 			 i40e_gstrings_net_stats[i].stat_string);
@@ -1813,13 +1806,13 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
 		p += ETH_GSTRING_LEN;
 	}
 	for (i = 0; i < I40E_MAX_NUM_QUEUES(netdev); i++) {
-			snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
+		snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
 		p += ETH_GSTRING_LEN;
-			snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
+		snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
 		p += ETH_GSTRING_LEN;
-			snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
+		snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
 		p += ETH_GSTRING_LEN;
-			snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
+		snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
 		p += ETH_GSTRING_LEN;
 	}
 	if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
@@ -1844,6 +1837,7 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
 			 "veb.tc_%u_rx_bytes", i);
 		p += ETH_GSTRING_LEN;
 	}
+
 	for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
 		snprintf(p, ETH_GSTRING_LEN, "port.%s",
 			 i40e_gstrings_stats[i].stat_string);
@@ -1851,40 +1845,63 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
 	}
 	for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
 		snprintf(p, ETH_GSTRING_LEN,
-				 "port.tx_priority_%d_xon", i);
+			 "port.tx_priority_%u_xon", i);
 		p += ETH_GSTRING_LEN;
 		snprintf(p, ETH_GSTRING_LEN,
-				 "port.tx_priority_%d_xoff", i);
+			 "port.tx_priority_%u_xoff", i);
 		p += ETH_GSTRING_LEN;
 	}
 	for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
 		snprintf(p, ETH_GSTRING_LEN,
-				 "port.rx_priority_%d_xon", i);
+			 "port.rx_priority_%u_xon", i);
 		p += ETH_GSTRING_LEN;
 		snprintf(p, ETH_GSTRING_LEN,
-				 "port.rx_priority_%d_xoff", i);
+			 "port.rx_priority_%u_xoff", i);
 		p += ETH_GSTRING_LEN;
 	}
 	for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
 		snprintf(p, ETH_GSTRING_LEN,
-				 "port.rx_priority_%d_xon_2_xoff", i);
+			 "port.rx_priority_%u_xon_2_xoff", i);
 		p += ETH_GSTRING_LEN;
 	}
 	/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
-		break;
-	case ETH_SS_PRIV_FLAGS:
+}
+
+static void i40e_get_priv_flag_strings(struct net_device *netdev, u8 *data)
+{
+	struct i40e_netdev_priv *np = netdev_priv(netdev);
+	struct i40e_vsi *vsi = np->vsi;
+	struct i40e_pf *pf = vsi->back;
+	char *p = (char *)data;
+	unsigned int i;
+
 	for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
 		snprintf(p, ETH_GSTRING_LEN, "%s",
 			 i40e_gstrings_priv_flags[i].flag_string);
 		p += ETH_GSTRING_LEN;
 	}
 	if (pf->hw.pf_id != 0)
-			break;
+		return;
 	for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) {
 		snprintf(p, ETH_GSTRING_LEN, "%s",
 			 i40e_gl_gstrings_priv_flags[i].flag_string);
 		p += ETH_GSTRING_LEN;
 	}
+}
+
+static void i40e_get_strings(struct net_device *netdev, u32 stringset,
+			     u8 *data)
+{
+	switch (stringset) {
+	case ETH_SS_TEST:
+		memcpy(data, i40e_gstrings_test,
+		       I40E_TEST_LEN * ETH_GSTRING_LEN);
+		break;
+	case ETH_SS_STATS:
+		i40e_get_stat_strings(netdev, data);
+		break;
+	case ETH_SS_PRIV_FLAGS:
+		i40e_get_priv_flag_strings(netdev, data);
 		break;
 	default:
 		break;