net/ice/base: add basic Tx scheduler
[dpdk.git] / drivers / net / vdev_netvsc / vdev_netvsc.c
index c321a9f..ba63fac 100644 (file)
 #include <rte_hypervisor.h>
 #include <rte_kvargs.h>
 #include <rte_log.h>
+#include <rte_string_fns.h>
 
 #define VDEV_NETVSC_DRIVER net_vdev_netvsc
 #define VDEV_NETVSC_DRIVER_NAME RTE_STR(VDEV_NETVSC_DRIVER)
+#define VDEV_NETVSC_DRIVER_NAME_LEN 15
 #define VDEV_NETVSC_ARG_IFACE "iface"
 #define VDEV_NETVSC_ARG_MAC "mac"
 #define VDEV_NETVSC_ARG_FORCE "force"
@@ -182,18 +184,15 @@ vdev_netvsc_foreach_iface(int (*func)(const struct if_nameindex *iface,
                is_netvsc_ret = vdev_netvsc_iface_is_netvsc(&iface[i]) ? 1 : 0;
                if (is_netvsc ^ is_netvsc_ret)
                        continue;
-               strncpy(req.ifr_name, iface[i].if_name, sizeof(req.ifr_name));
+               strlcpy(req.ifr_name, iface[i].if_name, sizeof(req.ifr_name));
                if (ioctl(s, SIOCGIFHWADDR, &req) == -1) {
                        DRV_LOG(WARNING, "cannot retrieve information about"
                                         " interface \"%s\": %s",
                                         req.ifr_name, rte_strerror(errno));
                        continue;
                }
-               if (req.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
-                       DRV_LOG(DEBUG, "interface %s is non-ethernet device",
-                               req.ifr_name);
+               if (req.ifr_hwaddr.sa_family != ARPHRD_ETHER)
                        continue;
-               }
                memcpy(eth_addr.addr_bytes, req.ifr_hwaddr.sa_data,
                       RTE_DIM(eth_addr.addr_bytes));
                va_start(ap, is_netvsc);
@@ -327,12 +326,15 @@ static int
 vdev_netvsc_sysfs_readlink(char *buf, size_t size, const char *if_name,
                           const char *relpath)
 {
+       struct vdev_netvsc_ctx *ctx;
+       char in[RTE_MAX(sizeof(ctx->yield), 256u)];
        int ret;
 
-       ret = snprintf(buf, size, "/sys/class/net/%s/%s", if_name, relpath);
-       if (ret == -1 || (size_t)ret >= size)
+       ret = snprintf(in, sizeof(in) - 1, "/sys/class/net/%s/%s",
+                      if_name, relpath);
+       if (ret == -1 || (size_t)ret >= sizeof(in))
                return -ENOBUFS;
-       ret = readlink(buf, buf, size);
+       ret = readlink(in, buf, size);
        if (ret == -1)
                return -errno;
        if ((size_t)ret >= size - 1)
@@ -382,7 +384,7 @@ vdev_netvsc_device_probe(const struct if_nameindex *iface,
                DRV_LOG(DEBUG,
                        "NetVSC interface \"%s\" (index %u) renamed \"%s\"",
                        ctx->if_name, ctx->if_index, iface->if_name);
-               strncpy(ctx->if_name, iface->if_name, sizeof(ctx->if_name));
+               strlcpy(ctx->if_name, iface->if_name, sizeof(ctx->if_name));
                return 0;
        }
        if (!is_same_ether_addr(eth_addr, &ctx->if_addr))
@@ -580,7 +582,7 @@ vdev_netvsc_netvsc_probe(const struct if_nameindex *iface,
                goto error;
        }
        ctx->id = vdev_netvsc_ctx_count;
-       strncpy(ctx->if_name, iface->if_name, sizeof(ctx->if_name));
+       strlcpy(ctx->if_name, iface->if_name, sizeof(ctx->if_name));
        ctx->if_index = iface->if_index;
        ctx->if_addr = *eth_addr;
        ctx->pipe[0] = -1;
@@ -784,7 +786,7 @@ RTE_PMD_REGISTER_PARAM_STRING(net_vdev_netvsc,
 /** Initialize driver log type. */
 RTE_INIT(vdev_netvsc_init_log)
 {
-       vdev_netvsc_logtype = rte_log_register("pmd.vdev_netvsc");
+       vdev_netvsc_logtype = rte_log_register("pmd.net.vdev_netvsc");
        if (vdev_netvsc_logtype >= 0)
                rte_log_set_level(vdev_netvsc_logtype, RTE_LOG_NOTICE);
 }
@@ -794,7 +796,8 @@ static int
 vdev_netvsc_cmp_rte_device(const struct rte_device *dev1,
                           __rte_unused const void *_dev2)
 {
-       return strcmp(dev1->devargs->name, VDEV_NETVSC_DRIVER_NAME);
+       return strncmp(dev1->devargs->name, VDEV_NETVSC_DRIVER_NAME,
+                      VDEV_NETVSC_DRIVER_NAME_LEN);
 }
 
 /**
@@ -810,7 +813,8 @@ vdev_netvsc_scan_callback(__rte_unused void *arg)
        struct rte_bus *vbus = rte_bus_find_by_name("vdev");
 
        RTE_EAL_DEVARGS_FOREACH("vdev", devargs)
-               if (!strcmp(devargs->name, VDEV_NETVSC_DRIVER_NAME))
+               if (!strncmp(devargs->name, VDEV_NETVSC_DRIVER_NAME,
+                            VDEV_NETVSC_DRIVER_NAME_LEN))
                        return;
        dev = (struct rte_vdev_device *)vbus->find_device(NULL,
                vdev_netvsc_cmp_rte_device, VDEV_NETVSC_DRIVER_NAME);