drivers/net: do not use ethdev driver
[dpdk.git] / drivers / net / fm10k / fm10k_ethdev.c
index d8353e9..94b4d40 100644 (file)
@@ -32,6 +32,7 @@
  */
 
 #include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
 #include <rte_malloc.h>
 #include <rte_memzone.h>
 #include <rte_string_fns.h>
@@ -197,9 +198,9 @@ fm10k_tx_vec_condition_check(__rte_unused struct fm10k_tx_queue *txq)
 }
 
 uint16_t __attribute__((weak))
-fm10k_xmit_pkts_vec(__rte_unused void *tx_queue,
-               __rte_unused struct rte_mbuf **tx_pkts,
-               __rte_unused uint16_t nb_pkts)
+fm10k_xmit_fixed_burst_vec(__rte_unused void *tx_queue,
+                          __rte_unused struct rte_mbuf **tx_pkts,
+                          __rte_unused uint16_t nb_pkts)
 {
        return 0;
 }
@@ -1803,7 +1804,8 @@ fm10k_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
        const struct rte_eth_rxconf *conf, struct rte_mempool *mp)
 {
        struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-       struct fm10k_dev_info *dev_info = FM10K_DEV_PRIVATE_TO_INFO(dev);
+       struct fm10k_dev_info *dev_info =
+               FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
        struct fm10k_rx_queue *q;
        const struct rte_memzone *mz;
 
@@ -2541,9 +2543,7 @@ error:
  *  void
  */
 static void
-fm10k_dev_interrupt_handler_pf(
-                       struct rte_intr_handle *handle,
-                       void *param)
+fm10k_dev_interrupt_handler_pf(void *param)
 {
        struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
        struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -2593,7 +2593,7 @@ fm10k_dev_interrupt_handler_pf(
        FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_AUTOMASK |
                                        FM10K_ITR_MASK_CLEAR);
        /* Re-enable interrupt from host side */
-       rte_intr_enable(handle);
+       rte_intr_enable(dev->intr_handle);
 }
 
 /**
@@ -2608,9 +2608,7 @@ fm10k_dev_interrupt_handler_pf(
  *  void
  */
 static void
-fm10k_dev_interrupt_handler_vf(
-                       struct rte_intr_handle *handle,
-                       void *param)
+fm10k_dev_interrupt_handler_vf(void *param)
 {
        struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
        struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -2627,7 +2625,7 @@ fm10k_dev_interrupt_handler_vf(
        FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_AUTOMASK |
                                        FM10K_ITR_MASK_CLEAR);
        /* Re-enable interrupt from host side */
-       rte_intr_enable(handle);
+       rte_intr_enable(dev->intr_handle);
 }
 
 /* Mailbox message handler in VF */
@@ -2741,6 +2739,28 @@ fm10k_check_ftag(struct rte_devargs *devargs)
        return 1;
 }
 
+static uint16_t
+fm10k_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+                   uint16_t nb_pkts)
+{
+       uint16_t nb_tx = 0;
+       struct fm10k_tx_queue *txq = (struct fm10k_tx_queue *)tx_queue;
+
+       while (nb_pkts) {
+               uint16_t ret, num;
+
+               num = (uint16_t)RTE_MIN(nb_pkts, txq->rs_thresh);
+               ret = fm10k_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx],
+                                                num);
+               nb_tx += ret;
+               nb_pkts -= ret;
+               if (ret < num)
+                       break;
+       }
+
+       return nb_tx;
+}
+
 static void __attribute__((cold))
 fm10k_set_tx_function(struct rte_eth_dev *dev)
 {
@@ -2749,6 +2769,21 @@ fm10k_set_tx_function(struct rte_eth_dev *dev)
        int use_sse = 1;
        uint16_t tx_ftag_en = 0;
 
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               /* primary process has set the ftag flag and txq_flags */
+               txq = dev->data->tx_queues[0];
+               if (fm10k_tx_vec_condition_check(txq)) {
+                       dev->tx_pkt_burst = fm10k_xmit_pkts;
+                       dev->tx_pkt_prepare = fm10k_prep_pkts;
+                       PMD_INIT_LOG(DEBUG, "Use regular Tx func");
+               } else {
+                       PMD_INIT_LOG(DEBUG, "Use vector Tx func");
+                       dev->tx_pkt_burst = fm10k_xmit_pkts_vec;
+                       dev->tx_pkt_prepare = NULL;
+               }
+               return;
+       }
+
        if (fm10k_check_ftag(dev->device->devargs))
                tx_ftag_en = 1;
 
@@ -2778,7 +2813,8 @@ fm10k_set_tx_function(struct rte_eth_dev *dev)
 static void __attribute__((cold))
 fm10k_set_rx_function(struct rte_eth_dev *dev)
 {
-       struct fm10k_dev_info *dev_info = FM10K_DEV_PRIVATE_TO_INFO(dev);
+       struct fm10k_dev_info *dev_info =
+               FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
        uint16_t i, rx_using_sse;
        uint16_t rx_ftag_en = 0;
 
@@ -2808,6 +2844,9 @@ fm10k_set_rx_function(struct rte_eth_dev *dev)
        else
                PMD_INIT_LOG(DEBUG, "Use regular Rx func");
 
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return;
+
        for (i = 0; i < dev->data->nb_rx_queues; i++) {
                struct fm10k_rx_queue *rxq = dev->data->rx_queues[i];
 
@@ -2820,7 +2859,8 @@ static void
 fm10k_params_init(struct rte_eth_dev *dev)
 {
        struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-       struct fm10k_dev_info *info = FM10K_DEV_PRIVATE_TO_INFO(dev);
+       struct fm10k_dev_info *info =
+               FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
 
        /* Inialize bus info. Normally we would call fm10k_get_bus_info(), but
         * there is no way to get link status without reading BAR4.  Until this
@@ -2853,11 +2893,18 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
        dev->tx_pkt_burst = &fm10k_xmit_pkts;
        dev->tx_pkt_prepare = &fm10k_prep_pkts;
 
-       /* only initialize in the primary process */
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+       /*
+        * Primary process does the whole initialization, for secondary
+        * processes, we just select the same Rx and Tx function as primary.
+        */
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               fm10k_set_rx_function(dev);
+               fm10k_set_tx_function(dev);
                return 0;
+       }
 
        rte_eth_copy_pci_info(dev, pdev);
+       dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
        memset(macvlan, 0, sizeof(*macvlan));
@@ -3066,6 +3113,18 @@ eth_fm10k_dev_uninit(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int eth_fm10k_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+       struct rte_pci_device *pci_dev)
+{
+       return rte_eth_dev_pci_generic_probe(pci_dev,
+               sizeof(struct fm10k_adapter), eth_fm10k_dev_init);
+}
+
+static int eth_fm10k_pci_remove(struct rte_pci_device *pci_dev)
+{
+       return rte_eth_dev_pci_generic_remove(pci_dev, eth_fm10k_dev_uninit);
+}
+
 /*
  * The set of PCI devices this driver supports. This driver will enable both PF
  * and SRIOV-VF devices.
@@ -3077,19 +3136,13 @@ static const struct rte_pci_id pci_id_fm10k_map[] = {
        { .vendor_id = 0, /* sentinel */ },
 };
 
-static struct eth_driver rte_pmd_fm10k = {
-       .pci_drv = {
-               .id_table = pci_id_fm10k_map,
-               .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-                       RTE_PCI_DRV_DETACHABLE,
-               .probe = rte_eth_dev_pci_probe,
-               .remove = rte_eth_dev_pci_remove,
-       },
-       .eth_dev_init = eth_fm10k_dev_init,
-       .eth_dev_uninit = eth_fm10k_dev_uninit,
-       .dev_private_size = sizeof(struct fm10k_adapter),
+static struct rte_pci_driver rte_pmd_fm10k = {
+       .id_table = pci_id_fm10k_map,
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+       .probe = eth_fm10k_pci_probe,
+       .remove = eth_fm10k_pci_remove,
 };
 
-RTE_PMD_REGISTER_PCI(net_fm10k, rte_pmd_fm10k.pci_drv);
+RTE_PMD_REGISTER_PCI(net_fm10k, rte_pmd_fm10k);
 RTE_PMD_REGISTER_PCI_TABLE(net_fm10k, pci_id_fm10k_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_fm10k, "* igb_uio | uio_pci_generic | vfio");