From: Chaoyong He <chaoyong...@corigine.com>

Change the coding style of some logics, to make it more
compatible with the DPDK coding style.

Signed-off-by: Chaoyong He <chaoyong...@corigine.com>
Signed-off-by: Jin Liu <jin....@corigine.com>
Signed-off-by: Niklas Söderlund <niklas.soderl...@corigine.com>
---
 drivers/net/nfp/nfp_ethdev.c    | 150 ++++++++++++++++----------------
 drivers/net/nfp/nfp_ethdev_vf.c |   5 +-
 2 files changed, 75 insertions(+), 80 deletions(-)

diff --git a/drivers/net/nfp/nfp_ethdev.c b/drivers/net/nfp/nfp_ethdev.c
index 9166f65da3..ea92ca3f68 100644
--- a/drivers/net/nfp/nfp_ethdev.c
+++ b/drivers/net/nfp/nfp_ethdev.c
@@ -340,8 +340,7 @@ nfp_net_close(struct rte_eth_dev *dev)
 
        /* unregister callback func from eal lib */
        rte_intr_callback_unregister(pci_dev->intr_handle,
-                                    nfp_net_dev_interrupt_handler,
-                                    (void *)dev);
+                       nfp_net_dev_interrupt_handler, (void *)dev);
 
        /*
         * The ixgbe PMD disables the pcie master on the
@@ -388,8 +387,8 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
        struct nfp_pf_dev *pf_dev;
        struct nfp_net_hw *hw;
        struct rte_ether_addr *tmp_ether_addr;
-
-       uint64_t tx_bar_off = 0, rx_bar_off = 0;
+       uint64_t rx_bar_off = 0;
+       uint64_t tx_bar_off = 0;
        uint32_t start_q;
        int stride = 4;
        int port = 0;
@@ -404,9 +403,8 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
 
        /* NFP can not handle DMA addresses requiring more than 40 bits */
        if (rte_mem_check_dma_mask(40)) {
-               RTE_LOG(ERR, PMD, "device %s can not be used:",
-                                  pci_dev->device.name);
-               RTE_LOG(ERR, PMD, "\trestricted dma mask to 40 bits!\n");
+               RTE_LOG(ERR, PMD, "device %s can not be used: restricted dma "
+                       "mask to 40 bits!\n", pci_dev->device.name);
                return -ENODEV;
        };
 
@@ -416,14 +414,14 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
                return -ENODEV;
        }
 
-       /* Use PF array of physical ports to get pointer to
+       /*
+        * Use PF array of physical ports to get pointer to
         * this specific port
         */
        hw = pf_dev->ports[port];
 
        PMD_INIT_LOG(DEBUG, "Working with physical port number: %d, "
-                           "NFP internal port number: %d",
-                           port, hw->nfp_idx);
+                       "NFP internal port number: %d", port, hw->nfp_idx);
 
        eth_dev->dev_ops = &nfp_net_eth_dev_ops;
        eth_dev->rx_queue_count = nfp_net_rx_queue_count;
@@ -456,13 +454,10 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
        if (port == 0) {
                hw->ctrl_bar = pf_dev->ctrl_bar;
        } else {
-               if (!pf_dev->ctrl_bar)
+               if (pf_dev->ctrl_bar == NULL)
                        return -ENODEV;
-               /* Use port offset in pf ctrl_bar for this
-                * ports control bar
-                */
-               hw->ctrl_bar = pf_dev->ctrl_bar +
-                              (port * NFP_PF_CSR_SLICE_SIZE);
+               /* Use port offset in pf ctrl_bar for this ports control bar */
+               hw->ctrl_bar = pf_dev->ctrl_bar + (port * 
NFP_PF_CSR_SLICE_SIZE);
        }
 
        PMD_INIT_LOG(DEBUG, "ctrl bar: %p", hw->ctrl_bar);
@@ -557,8 +552,7 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
 
        tmp_ether_addr = (struct rte_ether_addr *)&hw->mac_addr;
        if (!rte_is_valid_assigned_ether_addr(tmp_ether_addr)) {
-               PMD_INIT_LOG(INFO, "Using random mac address for port %d",
-                                  port);
+               PMD_INIT_LOG(INFO, "Using random mac address for port %d", 
port);
                /* Using random mac addresses for VFs */
                rte_eth_random_addr(&hw->mac_addr[0]);
                nfp_net_write_mac(hw, (uint8_t *)&hw->mac_addr);
@@ -583,8 +577,7 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
        if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
                /* Registering LSC interrupt handler */
                rte_intr_callback_register(pci_dev->intr_handle,
-                                          nfp_net_dev_interrupt_handler,
-                                          (void *)eth_dev);
+                               nfp_net_dev_interrupt_handler, (void *)eth_dev);
                /* Telling the firmware about the LSC interrupt entry */
                nn_cfg_writeb(hw, NFP_NET_CFG_LSC, NFP_NET_IRQ_LSC_IDX);
                /* Recording current stats counters values */
@@ -656,8 +649,10 @@ nfp_fw_upload(struct rte_pci_device *dev, struct nfp_nsp 
*nsp, char *card)
 }
 
 static int
-nfp_fw_setup(struct rte_pci_device *dev, struct nfp_cpp *cpp,
-            struct nfp_eth_table *nfp_eth_table, struct nfp_hwinfo *hwinfo)
+nfp_fw_setup(struct rte_pci_device *dev,
+               struct nfp_cpp *cpp,
+               struct nfp_eth_table *nfp_eth_table,
+               struct nfp_hwinfo *hwinfo)
 {
        struct nfp_nsp *nsp;
        const char *nfp_fw_model;
@@ -675,12 +670,12 @@ nfp_fw_setup(struct rte_pci_device *dev, struct nfp_cpp 
*cpp,
 
        if (nfp_eth_table->count == 0 || nfp_eth_table->count > 8) {
                PMD_DRV_LOG(ERR, "NFP ethernet table reports wrong ports: %u",
-                      nfp_eth_table->count);
+                       nfp_eth_table->count);
                return -EIO;
        }
 
        PMD_DRV_LOG(INFO, "NFP ethernet port table reports %u ports",
-                          nfp_eth_table->count);
+                       nfp_eth_table->count);
 
        PMD_DRV_LOG(INFO, "Port speed: %u", nfp_eth_table->ports[0].speed);
 
@@ -689,7 +684,7 @@ nfp_fw_setup(struct rte_pci_device *dev, struct nfp_cpp 
*cpp,
                        nfp_eth_table->ports[0].speed / 1000);
 
        nsp = nfp_nsp_open(cpp);
-       if (!nsp) {
+       if (nsp == NULL) {
                PMD_DRV_LOG(ERR, "NFP error when obtaining NSP handle");
                return -EIO;
        }
@@ -701,32 +696,32 @@ nfp_fw_setup(struct rte_pci_device *dev, struct nfp_cpp 
*cpp,
        return err;
 }
 
-static int nfp_init_phyports(struct nfp_pf_dev *pf_dev)
+static int
+nfp_init_phyports(struct nfp_pf_dev *pf_dev)
 {
+       int i;
+       int ret = 0;
        struct nfp_net_hw *hw;
        struct rte_eth_dev *eth_dev;
-       struct nfp_eth_table *nfp_eth_table = NULL;
-       int ret = 0;
-       int i;
+       struct nfp_eth_table *nfp_eth_table;
+       char port_name[RTE_ETH_NAME_MAX_LEN];
 
        nfp_eth_table = nfp_eth_read_ports(pf_dev->cpp);
-       if (!nfp_eth_table) {
+       if (nfp_eth_table == NULL) {
                PMD_INIT_LOG(ERR, "Error reading NFP ethernet table");
-               ret = -EIO;
-               goto error;
+               return -EIO;
        }
 
        /* Loop through all physical ports on PF */
        for (i = 0; i < pf_dev->total_phyports; i++) {
                const unsigned int numa_node = rte_socket_id();
-               char port_name[RTE_ETH_NAME_MAX_LEN];
 
                snprintf(port_name, sizeof(port_name), "%s_port%d",
                         pf_dev->pci_dev->device.name, i);
 
                /* Allocate a eth_dev for this phyport */
                eth_dev = rte_eth_dev_allocate(port_name);
-               if (!eth_dev) {
+               if (eth_dev == NULL) {
                        ret = -ENODEV;
                        goto port_cleanup;
                }
@@ -734,8 +729,8 @@ static int nfp_init_phyports(struct nfp_pf_dev *pf_dev)
                /* Allocate memory for this phyport */
                eth_dev->data->dev_private =
                        rte_zmalloc_socket(port_name, sizeof(struct nfp_net_hw),
-                                          RTE_CACHE_LINE_SIZE, numa_node);
-               if (!eth_dev->data->dev_private) {
+                               RTE_CACHE_LINE_SIZE, numa_node);
+               if (eth_dev->data->dev_private == NULL) {
                        ret = -ENOMEM;
                        rte_eth_dev_release_port(eth_dev);
                        goto port_cleanup;
@@ -759,7 +754,6 @@ static int nfp_init_phyports(struct nfp_pf_dev *pf_dev)
                 * nfp_net_init
                 */
                ret = nfp_net_init(eth_dev);
-
                if (ret) {
                        ret = -ENODEV;
                        goto port_cleanup;
@@ -782,24 +776,25 @@ static int nfp_init_phyports(struct nfp_pf_dev *pf_dev)
        }
 eth_table_cleanup:
        free(nfp_eth_table);
-error:
+
        return ret;
 }
 
-static int nfp_pf_init(struct rte_pci_device *pci_dev)
+static int
+nfp_pf_init(struct rte_pci_device *pci_dev)
 {
-       struct nfp_pf_dev *pf_dev = NULL;
+       int err;
+       int ret = 0;
+       int total_ports;
        struct nfp_cpp *cpp;
+       struct nfp_pf_dev *pf_dev;
        struct nfp_hwinfo *hwinfo;
-       struct nfp_rtsym_table *sym_tbl;
-       struct nfp_eth_table *nfp_eth_table = NULL;
        char name[RTE_ETH_NAME_MAX_LEN];
-       int total_ports;
-       int ret = -ENODEV;
-       int err;
+       struct nfp_rtsym_table *sym_tbl;
+       struct nfp_eth_table *nfp_eth_table;
 
-       if (!pci_dev)
-               return ret;
+       if (pci_dev == NULL)
+               return -ENODEV;
 
        /*
         * When device bound to UIO, the device could be used, by mistake,
@@ -813,21 +808,21 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
        else
                cpp = nfp_cpp_from_device_name(pci_dev, 1);
 
-       if (!cpp) {
+       if (cpp == NULL) {
                PMD_INIT_LOG(ERR, "A CPP handle can not be obtained");
                ret = -EIO;
                goto error;
        }
 
        hwinfo = nfp_hwinfo_read(cpp);
-       if (!hwinfo) {
+       if (hwinfo == NULL) {
                PMD_INIT_LOG(ERR, "Error reading hwinfo table");
                ret = -EIO;
                goto error;
        }
 
        nfp_eth_table = nfp_eth_read_ports(cpp);
-       if (!nfp_eth_table) {
+       if (nfp_eth_table == NULL) {
                PMD_INIT_LOG(ERR, "Error reading NFP ethernet table");
                ret = -EIO;
                goto hwinfo_cleanup;
@@ -841,7 +836,7 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
 
        /* Now the symbol table should be there */
        sym_tbl = nfp_rtsym_table_read(cpp);
-       if (!sym_tbl) {
+       if (sym_tbl == NULL) {
                PMD_INIT_LOG(ERR, "Something is wrong with the firmware"
                                " symbol table");
                ret = -EIO;
@@ -865,7 +860,7 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
        /* Allocate memory for the PF "device" */
        snprintf(name, sizeof(name), "nfp_pf%d", 0);
        pf_dev = rte_zmalloc(name, sizeof(*pf_dev), 0);
-       if (!pf_dev) {
+       if (pf_dev == NULL) {
                ret = -ENOMEM;
                goto sym_tbl_cleanup;
        }
@@ -883,9 +878,8 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
 
        /* Map the symbol table */
        pf_dev->ctrl_bar = nfp_rtsym_map(pf_dev->sym_tbl, "_pf0_net_bar0",
-                                    pf_dev->total_phyports * 32768,
-                                    &pf_dev->ctrl_area);
-       if (!pf_dev->ctrl_bar) {
+                       pf_dev->total_phyports * 32768, &pf_dev->ctrl_area);
+       if (pf_dev->ctrl_bar == NULL) {
                PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for _pf0_net_ctrl_bar");
                ret = -EIO;
                goto pf_cleanup;
@@ -895,10 +889,9 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
 
        /* configure access to tx/rx vNIC BARs */
        pf_dev->hw_queues = nfp_cpp_map_area(pf_dev->cpp, 0, 0,
-                                             NFP_PCIE_QUEUE(0),
-                                             NFP_QCP_QUEUE_AREA_SZ,
-                                             &pf_dev->hwqueues_area);
-       if (!pf_dev->hw_queues) {
+                       NFP_PCIE_QUEUE(0), NFP_QCP_QUEUE_AREA_SZ,
+                       &pf_dev->hwqueues_area);
+       if (pf_dev->hw_queues == NULL) {
                PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for net.qc");
                ret = -EIO;
                goto ctrl_area_cleanup;
@@ -906,7 +899,8 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
 
        PMD_INIT_LOG(DEBUG, "tx/rx bar address: 0x%p", pf_dev->hw_queues);
 
-       /* Initialize and prep physical ports now
+       /*
+        * Initialize and prep physical ports now
         * This will loop through all physical ports
         */
        ret = nfp_init_phyports(pf_dev);
@@ -941,15 +935,16 @@ static int nfp_pf_init(struct rte_pci_device *pci_dev)
  * is no need to initialise the PF again. Only minimal work is required
  * here
  */
-static int nfp_pf_secondary_init(struct rte_pci_device *pci_dev)
+static int
+nfp_pf_secondary_init(struct rte_pci_device *pci_dev)
 {
-       struct nfp_cpp *cpp;
-       struct nfp_rtsym_table *sym_tbl;
-       int total_ports;
        int i;
        int err;
+       int total_ports;
+       struct nfp_cpp *cpp;
+       struct nfp_rtsym_table *sym_tbl;
 
-       if (!pci_dev)
+       if (pci_dev == NULL)
                return -ENODEV;
 
        /*
@@ -964,7 +959,7 @@ static int nfp_pf_secondary_init(struct rte_pci_device 
*pci_dev)
        else
                cpp = nfp_cpp_from_device_name(pci_dev, 1);
 
-       if (!cpp) {
+       if (cpp == NULL) {
                PMD_INIT_LOG(ERR, "A CPP handle can not be obtained");
                return -EIO;
        }
@@ -974,7 +969,7 @@ static int nfp_pf_secondary_init(struct rte_pci_device 
*pci_dev)
         * here so we have to read the number of ports from firmware
         */
        sym_tbl = nfp_rtsym_table_read(cpp);
-       if (!sym_tbl) {
+       if (sym_tbl == NULL) {
                PMD_INIT_LOG(ERR, "Something is wrong with the firmware"
                                " symbol table");
                return -EIO;
@@ -989,13 +984,11 @@ static int nfp_pf_secondary_init(struct rte_pci_device 
*pci_dev)
                snprintf(port_name, sizeof(port_name), "%s_port%d",
                         pci_dev->device.name, i);
 
-               PMD_DRV_LOG(DEBUG, "Secondary attaching to port %s",
-                   port_name);
+               PMD_DRV_LOG(DEBUG, "Secondary attaching to port %s", port_name);
                eth_dev = rte_eth_dev_attach_secondary(port_name);
-               if (!eth_dev) {
-                       RTE_LOG(ERR, EAL,
-                       "secondary process attach failed, "
-                       "ethdev doesn't exist");
+               if (eth_dev == NULL) {
+                       RTE_LOG(ERR, EAL, "secondary process attach failed, "
+                               "ethdev doesn't exist");
                        return -ENODEV;
                }
                eth_dev->process_private = cpp;
@@ -1012,8 +1005,9 @@ static int nfp_pf_secondary_init(struct rte_pci_device 
*pci_dev)
        return 0;
 }
 
-static int nfp_pf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
-                           struct rte_pci_device *dev)
+static int
+nfp_pf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+               struct rte_pci_device *dev)
 {
        if (rte_eal_process_type() == RTE_PROC_PRIMARY)
                return nfp_pf_init(dev);
@@ -1035,7 +1029,8 @@ static const struct rte_pci_id pci_id_nfp_pf_net_map[] = {
        },
 };
 
-static int nfp_pci_uninit(struct rte_eth_dev *eth_dev)
+static int
+nfp_pci_uninit(struct rte_eth_dev *eth_dev)
 {
        struct rte_pci_device *pci_dev;
        uint16_t port_id;
@@ -1052,7 +1047,8 @@ static int nfp_pci_uninit(struct rte_eth_dev *eth_dev)
        return -ENOTSUP;
 }
 
-static int eth_nfp_pci_remove(struct rte_pci_device *pci_dev)
+static int
+eth_nfp_pci_remove(struct rte_pci_device *pci_dev)
 {
        return rte_eth_dev_pci_generic_remove(pci_dev, nfp_pci_uninit);
 }
diff --git a/drivers/net/nfp/nfp_ethdev_vf.c b/drivers/net/nfp/nfp_ethdev_vf.c
index 0034d68ea6..4aaccc91df 100644
--- a/drivers/net/nfp/nfp_ethdev_vf.c
+++ b/drivers/net/nfp/nfp_ethdev_vf.c
@@ -296,9 +296,8 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev)
 
        /* NFP can not handle DMA addresses requiring more than 40 bits */
        if (rte_mem_check_dma_mask(40)) {
-               RTE_LOG(ERR, PMD, "device %s can not be used:",
-                                  pci_dev->device.name);
-               RTE_LOG(ERR, PMD, "\trestricted dma mask to 40 bits!\n");
+               RTE_LOG(ERR, PMD, "device %s can not be used: restricted dma "
+                       "mask to 40 bits!\n", pci_dev->device.name);
                return -ENODEV;
        };
 
-- 
2.27.0

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