amd-xgbe: Add hardware features debug output

Use the dynamic debug support to output information about the hardware
features reported by the device.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index d6d29d8c58a769bc7c0b01ae8d08ae8edf734a64..7498bb81f9184b781b243c3234a8aefd4613c8b0 100644 (file)
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -732,8 +732,6 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
        unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
        struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
 
-       DBGPR("-->xgbe_get_all_hw_features\n");
-
        mac_hfr0 = XGMAC_IOREAD(pdata, MAC_HWF0R);
        mac_hfr1 = XGMAC_IOREAD(pdata, MAC_HWF1R);
        mac_hfr2 = XGMAC_IOREAD(pdata, MAC_HWF2R);
@@ -828,7 +826,81 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
        hw_feat->rx_fifo_size = 1 << (hw_feat->rx_fifo_size + 7);
        hw_feat->tx_fifo_size = 1 << (hw_feat->tx_fifo_size + 7);
 
-       DBGPR("<--xgbe_get_all_hw_features\n");
+       if (netif_msg_probe(pdata)) {
+               dev_dbg(pdata->dev, "Hardware features:\n");
+
+               /* Hardware feature register 0 */
+               dev_dbg(pdata->dev, "  1GbE support              : %s\n",
+                       hw_feat->gmii ? "yes" : "no");
+               dev_dbg(pdata->dev, "  VLAN hash filter          : %s\n",
+                       hw_feat->vlhash ? "yes" : "no");
+               dev_dbg(pdata->dev, "  MDIO interface            : %s\n",
+                       hw_feat->sma ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Wake-up packet support    : %s\n",
+                       hw_feat->rwk ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Magic packet support      : %s\n",
+                       hw_feat->mgk ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Management counters       : %s\n",
+                       hw_feat->mmc ? "yes" : "no");
+               dev_dbg(pdata->dev, "  ARP offload               : %s\n",
+                       hw_feat->aoe ? "yes" : "no");
+               dev_dbg(pdata->dev, "  IEEE 1588-2008 Timestamp  : %s\n",
+                       hw_feat->ts ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Energy Efficient Ethernet : %s\n",
+                       hw_feat->eee ? "yes" : "no");
+               dev_dbg(pdata->dev, "  TX checksum offload       : %s\n",
+                       hw_feat->tx_coe ? "yes" : "no");
+               dev_dbg(pdata->dev, "  RX checksum offload       : %s\n",
+                       hw_feat->rx_coe ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Additional MAC addresses  : %u\n",
+                       hw_feat->addn_mac);
+               dev_dbg(pdata->dev, "  Timestamp source          : %s\n",
+                       (hw_feat->ts_src == 1) ? "internal" :
+                       (hw_feat->ts_src == 2) ? "external" :
+                       (hw_feat->ts_src == 3) ? "internal/external" : "n/a");
+               dev_dbg(pdata->dev, "  SA/VLAN insertion         : %s\n",
+                       hw_feat->sa_vlan_ins ? "yes" : "no");
+
+               /* Hardware feature register 1 */
+               dev_dbg(pdata->dev, "  RX fifo size              : %u\n",
+                       hw_feat->rx_fifo_size);
+               dev_dbg(pdata->dev, "  TX fifo size              : %u\n",
+                       hw_feat->tx_fifo_size);
+               dev_dbg(pdata->dev, "  IEEE 1588 high word       : %s\n",
+                       hw_feat->adv_ts_hi ? "yes" : "no");
+               dev_dbg(pdata->dev, "  DMA width                 : %u\n",
+                       hw_feat->dma_width);
+               dev_dbg(pdata->dev, "  Data Center Bridging      : %s\n",
+                       hw_feat->dcb ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Split header              : %s\n",
+                       hw_feat->sph ? "yes" : "no");
+               dev_dbg(pdata->dev, "  TCP Segmentation Offload  : %s\n",
+                       hw_feat->tso ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Debug memory interface    : %s\n",
+                       hw_feat->dma_debug ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Receive Side Scaling      : %s\n",
+                       hw_feat->rss ? "yes" : "no");
+               dev_dbg(pdata->dev, "  Traffic Class count       : %u\n",
+                       hw_feat->tc_cnt);
+               dev_dbg(pdata->dev, "  Hash table size           : %u\n",
+                       hw_feat->hash_table_size);
+               dev_dbg(pdata->dev, "  L3/L4 Filters             : %u\n",
+                       hw_feat->l3l4_filter_num);
+
+               /* Hardware feature register 2 */
+               dev_dbg(pdata->dev, "  RX queue count            : %u\n",
+                       hw_feat->rx_q_cnt);
+               dev_dbg(pdata->dev, "  TX queue count            : %u\n",
+                       hw_feat->tx_q_cnt);
+               dev_dbg(pdata->dev, "  RX DMA channel count      : %u\n",
+                       hw_feat->rx_ch_cnt);
+               dev_dbg(pdata->dev, "  TX DMA channel count      : %u\n",
+                       hw_feat->rx_ch_cnt);
+               dev_dbg(pdata->dev, "  PPS outputs               : %u\n",
+                       hw_feat->pps_out_num);
+               dev_dbg(pdata->dev, "  Auxiliary snapshot inputs : %u\n",
+                       hw_feat->aux_snap_num);
+       }
 }
 
 static void xgbe_napi_enable(struct xgbe_prv_data *pdata, unsigned int add)