net/i40e: fix crash in AVX512
[dpdk.git] / drivers / net / vmxnet3 / vmxnet3_ethdev.c
index 828043a..d1a313b 100644 (file)
@@ -26,8 +26,8 @@
 #include <rte_eal.h>
 #include <rte_alarm.h>
 #include <rte_ether.h>
-#include <rte_ethdev_driver.h>
-#include <rte_ethdev_pci.h>
+#include <ethdev_driver.h>
+#include <ethdev_pci.h>
 #include <rte_string_fns.h>
 #include <rte_malloc.h>
 #include <rte_dev.h>
         DEV_RX_OFFLOAD_JUMBO_FRAME |   \
         DEV_RX_OFFLOAD_RSS_HASH)
 
+int vmxnet3_segs_dynfield_offset = -1;
+
 static int eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev);
 static int eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev);
 static int vmxnet3_dev_configure(struct rte_eth_dev *dev);
 static int vmxnet3_dev_start(struct rte_eth_dev *dev);
-static void vmxnet3_dev_stop(struct rte_eth_dev *dev);
+static int vmxnet3_dev_stop(struct rte_eth_dev *dev);
 static int vmxnet3_dev_close(struct rte_eth_dev *dev);
+static int vmxnet3_dev_reset(struct rte_eth_dev *dev);
 static void vmxnet3_dev_set_rxmode(struct vmxnet3_hw *hw, uint32_t feature, int set);
 static int vmxnet3_dev_promiscuous_enable(struct rte_eth_dev *dev);
 static int vmxnet3_dev_promiscuous_disable(struct rte_eth_dev *dev);
@@ -110,6 +113,7 @@ static const struct eth_dev_ops vmxnet3_eth_dev_ops = {
        .dev_start            = vmxnet3_dev_start,
        .dev_stop             = vmxnet3_dev_stop,
        .dev_close            = vmxnet3_dev_close,
+       .dev_reset            = vmxnet3_dev_reset,
        .promiscuous_enable   = vmxnet3_dev_promiscuous_enable,
        .promiscuous_disable  = vmxnet3_dev_promiscuous_disable,
        .allmulticast_enable  = vmxnet3_dev_allmulticast_enable,
@@ -233,6 +237,11 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
        struct vmxnet3_hw *hw = eth_dev->data->dev_private;
        uint32_t mac_hi, mac_lo, ver;
        struct rte_eth_link link;
+       static const struct rte_mbuf_dynfield vmxnet3_segs_dynfield_desc = {
+               .name = VMXNET3_SEGS_DYNFIELD_NAME,
+               .size = sizeof(vmxnet3_segs_dynfield_t),
+               .align = __alignof__(vmxnet3_segs_dynfield_t),
+       };
 
        PMD_INIT_FUNC_TRACE();
 
@@ -242,6 +251,14 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
        eth_dev->tx_pkt_prepare = vmxnet3_prep_pkts;
        pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 
+       /* extra mbuf field is required to guess MSS */
+       vmxnet3_segs_dynfield_offset =
+               rte_mbuf_dynfield_register(&vmxnet3_segs_dynfield_desc);
+       if (vmxnet3_segs_dynfield_offset < 0) {
+               PMD_INIT_LOG(ERR, "Cannot register mbuf field.");
+               return -rte_errno;
+       }
+
        /*
         * for secondary processes, we don't initialize any further as primary
         * has already done this work.
@@ -250,6 +267,7 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
                return 0;
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
+       eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
 
        /* Vendor and Device ID need to be set before init of shared code */
        hw->device_id = pci_dev->id.device_id;
@@ -368,11 +386,6 @@ eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev)
                return -EBUSY;
        }
 
-       eth_dev->dev_ops = NULL;
-       eth_dev->rx_pkt_burst = NULL;
-       eth_dev->tx_pkt_burst = NULL;
-       eth_dev->tx_pkt_prepare = NULL;
-
        return 0;
 }
 
@@ -814,7 +827,7 @@ vmxnet3_dev_start(struct rte_eth_dev *dev)
 /*
  * Stop device: disable rx and tx functions to allow for reconfiguring.
  */
-static void
+static int
 vmxnet3_dev_stop(struct rte_eth_dev *dev)
 {
        struct rte_eth_link link;
@@ -824,7 +837,7 @@ vmxnet3_dev_stop(struct rte_eth_dev *dev)
 
        if (hw->adapter_stopped == 1) {
                PMD_INIT_LOG(DEBUG, "Device already stopped.");
-               return;
+               return 0;
        }
 
        /* disable interrupts */
@@ -859,6 +872,8 @@ vmxnet3_dev_stop(struct rte_eth_dev *dev)
 
        hw->adapter_stopped = 1;
        dev->data->dev_started = 0;
+
+       return 0;
 }
 
 static void
@@ -889,14 +904,27 @@ vmxnet3_free_queues(struct rte_eth_dev *dev)
 static int
 vmxnet3_dev_close(struct rte_eth_dev *dev)
 {
+       int ret;
        PMD_INIT_FUNC_TRACE();
        if (rte_eal_process_type() != RTE_PROC_PRIMARY)
                return 0;
 
-       vmxnet3_dev_stop(dev);
+       ret = vmxnet3_dev_stop(dev);
        vmxnet3_free_queues(dev);
 
-       return 0;
+       return ret;
+}
+
+static int
+vmxnet3_dev_reset(struct rte_eth_dev *dev)
+{
+       int ret;
+
+       ret = eth_vmxnet3_dev_uninit(dev);
+       if (ret)
+               return ret;
+       ret = eth_vmxnet3_dev_init(dev);
+       return ret;
 }
 
 static void