i40e: split i40e_get_strings() into smaller functions
authorJacob Keller <jacob.e.keller@intel.com>
Thu, 17 May 2018 08:08:35 +0000 (01:08 -0700)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 22 May 2018 15:37:06 +0000 (08:37 -0700)
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

index bacb01b..c50ed2d 100644 (file)
@@ -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;
@@ -1796,95 +1795,113 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
        char *p = (char *)data;
        unsigned int i;
 
+       for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
+               snprintf(p, ETH_GSTRING_LEN, "%s",
+                        i40e_gstrings_net_stats[i].stat_string);
+               p += ETH_GSTRING_LEN;
+       }
+       for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
+               snprintf(p, ETH_GSTRING_LEN, "%s",
+                        i40e_gstrings_misc_stats[i].stat_string);
+               p += ETH_GSTRING_LEN;
+       }
+       for (i = 0; i < I40E_MAX_NUM_QUEUES(netdev); i++) {
+               snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
+               p += ETH_GSTRING_LEN;
+               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)
+               return;
+
+       for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
+               snprintf(p, ETH_GSTRING_LEN, "veb.%s",
+                        i40e_gstrings_veb_stats[i].stat_string);
+               p += ETH_GSTRING_LEN;
+       }
+       for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
+               snprintf(p, ETH_GSTRING_LEN,
+                        "veb.tc_%u_tx_packets", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN,
+                        "veb.tc_%u_tx_bytes", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN,
+                        "veb.tc_%u_rx_packets", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN,
+                        "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);
+               p += ETH_GSTRING_LEN;
+       }
+       for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+               snprintf(p, ETH_GSTRING_LEN,
+                        "port.tx_priority_%u_xon", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN,
+                        "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_%u_xon", i);
+               p += ETH_GSTRING_LEN;
+               snprintf(p, ETH_GSTRING_LEN,
+                        "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_%u_xon_2_xoff", i);
+               p += ETH_GSTRING_LEN;
+       }
+       /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
+}
+
+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)
+               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:
-               for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
-                       snprintf(p, ETH_GSTRING_LEN, "%s",
-                                i40e_gstrings_net_stats[i].stat_string);
-                       p += ETH_GSTRING_LEN;
-               }
-               for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
-                       snprintf(p, ETH_GSTRING_LEN, "%s",
-                                i40e_gstrings_misc_stats[i].stat_string);
-                       p += ETH_GSTRING_LEN;
-               }
-               for (i = 0; i < I40E_MAX_NUM_QUEUES(netdev); i++) {
-                       snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
-                       p += ETH_GSTRING_LEN;
-               }
-               if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
-                       return;
-
-               for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
-                       snprintf(p, ETH_GSTRING_LEN, "veb.%s",
-                                i40e_gstrings_veb_stats[i].stat_string);
-                       p += ETH_GSTRING_LEN;
-               }
-               for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "veb.tc_%u_tx_packets", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "veb.tc_%u_tx_bytes", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "veb.tc_%u_rx_packets", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "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);
-                       p += ETH_GSTRING_LEN;
-               }
-               for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "port.tx_priority_%d_xon", i);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "port.tx_priority_%d_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);
-                       p += ETH_GSTRING_LEN;
-                       snprintf(p, ETH_GSTRING_LEN,
-                                "port.rx_priority_%d_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);
-                       p += ETH_GSTRING_LEN;
-               }
-               /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
+               i40e_get_stat_strings(netdev, data);
                break;
        case ETH_SS_PRIV_FLAGS:
-               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;
-               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;
-               }
+               i40e_get_priv_flag_strings(netdev, data);
                break;
        default:
                break;