+static int
+eth_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct pmd_internals *internals = dev->data->dev_private;
+ struct ifreq ifr = { .ifr_mtu = mtu };
+ int ret;
+ int s;
+ unsigned int data_size = internals->req.tp_frame_size -
+ TPACKET2_HDRLEN;
+
+ if (mtu > data_size)
+ return -EINVAL;
+
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ return -EINVAL;
+
+ strlcpy(ifr.ifr_name, internals->if_name, IFNAMSIZ);
+ ret = ioctl(s, SIOCSIFMTU, &ifr);
+ close(s);
+
+ if (ret < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int
+eth_dev_macaddr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
+{
+ struct pmd_internals *internals = dev->data->dev_private;
+ struct ifreq ifr = { };
+ int sockfd = internals->rx_queue[0].sockfd;
+ int ret;
+
+ if (sockfd == -1) {
+ PMD_LOG(ERR, "receive socket not found");
+ return -EINVAL;
+ }
+
+ strlcpy(ifr.ifr_name, internals->if_name, IFNAMSIZ);
+ ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
+ memcpy(ifr.ifr_hwaddr.sa_data, addr, sizeof(*addr));
+ ret = ioctl(sockfd, SIOCSIFHWADDR, &ifr);
+
+ if (ret < 0) {
+ PMD_LOG_ERRNO(ERR, "ioctl(SIOCSIFHWADDR) failed");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+eth_dev_change_flags(char *if_name, uint32_t flags, uint32_t mask)
+{
+ struct ifreq ifr;
+ int ret = 0;
+ int s;
+
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ return -errno;
+
+ strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
+ if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) {
+ ret = -errno;
+ goto out;
+ }
+ ifr.ifr_flags &= mask;
+ ifr.ifr_flags |= flags;
+ if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) {
+ ret = -errno;
+ goto out;
+ }
+out:
+ close(s);
+ return ret;
+}
+
+static int
+eth_dev_promiscuous_enable(struct rte_eth_dev *dev)
+{
+ struct pmd_internals *internals = dev->data->dev_private;
+
+ return eth_dev_change_flags(internals->if_name, IFF_PROMISC, ~0);
+}
+
+static int
+eth_dev_promiscuous_disable(struct rte_eth_dev *dev)
+{
+ struct pmd_internals *internals = dev->data->dev_private;
+
+ return eth_dev_change_flags(internals->if_name, 0, ~IFF_PROMISC);
+}
+