Enable Chelsio T5 support

Change-Id: I4bb6ac36a8bc585677448f4b22bd1299630f95de
Signed-off-by: Damjan Marion <damarion@cisco.com>

3 files changed, 50 insertions, 2 deletions

diff --git a/vnet/vnet/devices/dpdk/device.c b/vnet/vnet/devices/dpdk/device.c
index 781fff46782..72df02a4455 100644
--- a/vnet/vnet/devices/dpdk/device.c
+++ b/vnet/vnet/devices/dpdk/device.c
@@ -753,6 +753,7 @@ static u8 * format_dpdk_device_name (u8 * s, va_list * args)
   char *device_name;
   u32 i = va_arg (*args, u32);
   struct rte_eth_dev_info dev_info;
+  u8 * ret;
 
   if (dm->interface_name_format_decimal)
     devname_format = "%s%d/%d/%d";
@@ -799,9 +800,27 @@ static u8 * format_dpdk_device_name (u8 * s, va_list * args)
     }
 
   rte_eth_dev_info_get(i, &dev_info);
-  return format (s, devname_format, device_name, dev_info.pci_dev->addr.bus,
+  ret = format (s, devname_format, device_name, dev_info.pci_dev->addr.bus,
 		 dev_info.pci_dev->addr.devid,
 		 dev_info.pci_dev->addr.function);
+
+  /* address Chelsio cards which share PCI address */
+	if (dm->devices[i].pmd ==  VNET_DPDK_PMD_CXGBE) {
+    struct rte_eth_dev_info di;
+
+    di.pci_dev = 0;
+    rte_eth_dev_info_get(i+1, &di);
+    if (di.pci_dev && memcmp(&dev_info.pci_dev->addr, &di.pci_dev->addr,
+        sizeof(struct rte_pci_addr)) == 0)
+	    return format(ret, "/0");	
+
+    di.pci_dev = 0;
+    rte_eth_dev_info_get(i-1, &di);
+    if (di.pci_dev && memcmp(&dev_info.pci_dev->addr, &di.pci_dev->addr,
+        sizeof(struct rte_pci_addr)) == 0)
+	    return format(ret, "/1");	
+	}
+  return ret;
 }
 
 static u8 * format_dpdk_device_type (u8 * s, va_list * args)
@@ -859,6 +878,10 @@ static u8 * format_dpdk_device_type (u8 * s, va_list * args)
 	dev_type = "Cisco VIC";
 	break;
 
+    case VNET_DPDK_PMD_CXGBE:
+	dev_type = "Chelsio T4/T5";
+	break;
+
     case VNET_DPDK_PMD_VMXNET3:
 	dev_type = "VMware VMXNET3";
 	break;
diff --git a/vnet/vnet/devices/dpdk/dpdk.h b/vnet/vnet/devices/dpdk/dpdk.h
index bb3ef4ffba8..82456a0661c 100644
--- a/vnet/vnet/devices/dpdk/dpdk.h
+++ b/vnet/vnet/devices/dpdk/dpdk.h
@@ -88,7 +88,8 @@ typedef enum {
   _ ("rte_enic_pmd", ENIC)        \
   _ ("rte_vmxnet3_pmd", VMXNET3)  \
   _ ("AF_PACKET PMD", AF_PACKET)  \
-  _ ("rte_pmd_fm10k", FM10K)
+  _ ("rte_pmd_fm10k", FM10K)      \
+  _ ("rte_cxgbe_pmd", CXGBE)
 
 typedef enum {
   VNET_DPDK_PMD_NONE,
diff --git a/vnet/vnet/devices/dpdk/init.c b/vnet/vnet/devices/dpdk/init.c
index a8e84949a52..f2ba79d4dba 100644
--- a/vnet/vnet/devices/dpdk/init.c
+++ b/vnet/vnet/devices/dpdk/init.c
@@ -317,6 +317,12 @@ dpdk_lib_init (dpdk_main_t * dm)
         xd->rx_q_used = 1;
 
       xd->dev_type = VNET_DPDK_DEV_ETH;
+
+      /* workaround for drivers not setting driver_name */
+      if (!dev_info.driver_name)
+        dev_info.driver_name = dev_info.pci_dev->driver->name;
+      ASSERT(dev_info.driver_name);
+
       if (!xd->pmd) {
 
 
@@ -392,6 +398,20 @@ dpdk_lib_init (dpdk_main_t * dm)
             }
             break;
 
+          case VNET_DPDK_PMD_CXGBE:
+            switch (dev_info.pci_dev->id.device_id) {
+              case 0x5410: /* T580-LP-cr */
+                xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
+                xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
+                xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
+                break;
+              default:
+                xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
+                xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
+                xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
+            }
+            break;
+
           /* Intel Red Rock Canyon */
           case VNET_DPDK_PMD_FM10K:
             xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
@@ -1685,6 +1705,10 @@ do {                                                  \
   _(pmd_af_packet_drv)
 #endif
 
+#ifdef RTE_LIBRTE_CXGBE_PMD
+  _(rte_cxgbe_driver)
+#endif
+
 #undef _
 
 /*