Re: [lng-odp] [PATCHv4 03/11] API: pktio: mac addr functions

[Zoltan Kiss]

On 01/12/14 16:15, Maxim Uvarov wrote:

@@ -619,3 +620,76 @@ int odp_pktio_promisc_enabled(odp_pktio_t id)
        else
                return 0;
  }
+
+int odp_pktio_mac_addr_set(odp_pktio_t id, const unsigned char *mac_addr,
+               size_t addr_size)
+{
+       pktio_entry_t *entry;
+       int sockfd;
+       struct ifreq ifr;
+       int ret;
+
+       if (addr_size != ETH_ALEN)
+               return -ENOMEM;

What about EUI-64 MAC addresses? Do we need/want to care about them?

+
+       entry = get_entry(id);
+       if (entry == NULL) {
+               ODP_DBG("pktio entry %d does not exist\n", id);
+               return -ENOENT;
+       }
+
+       if (entry->s.pkt_sock_mmap.sockfd > -1)
+               sockfd = entry->s.pkt_sock_mmap.sockfd;
+       else
+               sockfd = entry->s.pkt_sock.sockfd;
+
+       strncpy(ifr.ifr_name, entry->s.name, IFNAMSIZ - 1);
+       ifr.ifr_name[IFNAMSIZ - 1] = 0;
+       memcpy(ifr.ifr_hwaddr.sa_data, mac_addr, addr_size);
+       ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
+
+       ret = ioctl(sockfd, SIOCSIFHWADDR, &ifr);
+       if (ret < 0) {
+               ODP_DBG("ioctl SIOCSIFHWADDR error\n");
+               return ret;
+       }
+
+       return 0;
+}
+
+ssize_t odp_pktio_mac_addr(odp_pktio_t id, unsigned char *mac_addr,
+                      size_t addr_size)
+{
+       pktio_entry_t *entry;
+       int sockfd;
+       struct ifreq ifr;
+       int ret;
+
+       if (addr_size < ETH_ALEN)
+               return -ENOMEM;
+
+       entry = get_entry(id);
+       if (entry == NULL) {
+               ODP_DBG("pktio entry %d does not exist\n", id);
+               return -ENOENT;
+       }
+
+       if (entry->s.pkt_sock_mmap.sockfd > -1)
+               sockfd = entry->s.pkt_sock_mmap.sockfd;
+       else
+               sockfd = entry->s.pkt_sock.sockfd;
+
+       strncpy(ifr.ifr_name, entry->s.name, IFNAMSIZ - 1);
+       ifr.ifr_name[IFNAMSIZ - 1] = 0;
+
+       ret = ioctl(sockfd, SIOCGIFHWADDR, &ifr);
+       if (ret < 0) {
+               ODP_DBG("ioctl SIOCGIFHWADDR error\n");
+               return ret;
+       }
+
+       memcpy(mac_addr, (unsigned char *)ifr.ifr_ifru.ifru_hwaddr.sa_data,
+              ETH_ALEN);
+
+       return ETH_ALEN;
+}

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