Define API and implement promisc functions for linux-generic.

Signed-off-by: Maxim Uvarov <maxim.uva...@linaro.org>
---
 platform/linux-generic/include/api/odp_packet_io.h | 24 +++++++
 platform/linux-generic/odp_packet_io.c             | 74 ++++++++++++++++++++++
 2 files changed, 98 insertions(+)

diff --git a/platform/linux-generic/include/api/odp_packet_io.h 
b/platform/linux-generic/include/api/odp_packet_io.h
index 667395c..20425be 100644
--- a/platform/linux-generic/include/api/odp_packet_io.h
+++ b/platform/linux-generic/include/api/odp_packet_io.h
@@ -149,6 +149,30 @@ int odp_pktio_set_mtu(odp_pktio_t id, int mtu);
 int odp_pktio_mtu(odp_pktio_t id);
 
 /**
+ * Enable promiscuous mode on a packet IO interface.
+ *
+ * @param[in] id       ODP packet IO handle.
+ * @param[in] enable    1 enabled, 0 disabled.
+ *
+ * @retval  0 on success.
+ * @retval -1 on a bad pktio id
+ * @retval -1 any other error
+ */
+int odp_pktio_promisc_set(odp_pktio_t id, odp_bool enable);
+
+/**
+ * Determine if promiscuous mode is enabled for a packet IO interface.
+ *
+ * @param[in] id ODP packet IO handle.
+ *
+ * @retval  1 if promiscuous mode is enabled.
+ * @retval  0 if promiscuous mode is disabled.
+ * @retval -1 on a bad pktio id
+ * @retval -1 any other error
+*/
+int odp_pktio_promisc_enabled(odp_pktio_t id);
+
+/**
  * @}
  */
 
diff --git a/platform/linux-generic/odp_packet_io.c 
b/platform/linux-generic/odp_packet_io.c
index c523350..b1dbc41 100644
--- a/platform/linux-generic/odp_packet_io.c
+++ b/platform/linux-generic/odp_packet_io.c
@@ -542,3 +542,77 @@ int odp_pktio_mtu(odp_pktio_t id)
 
        return ifr.ifr_mtu;
 }
+
+int odp_pktio_promisc_set(odp_pktio_t id, odp_bool enable)
+{
+       pktio_entry_t *entry;
+       int sockfd;
+       struct ifreq ifr;
+       int ret;
+
+       entry = get_entry(id);
+       if (entry == NULL) {
+               ODP_DBG("pktio entry %d does not exist\n", id);
+               return -1;
+       }
+
+       if (entry->s.pkt_sock_mmap.sockfd)
+               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] = 0;
+
+       ret = ioctl(sockfd, SIOCGIFFLAGS, &ifr);
+       if (ret < 0) {
+               ODP_DBG("ioctl SIOCGIFFLAGS error\n");
+               return -1;
+       }
+
+       if (enable)
+               ifr.ifr_flags |= IFF_PROMISC;
+       else
+               ifr.ifr_flags &= ~(IFF_PROMISC);
+
+       ret = ioctl(sockfd, SIOCSIFFLAGS, &ifr);
+       if (ret < 0) {
+               ODP_DBG("ioctl SIOCSIFFLAGS error\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+int odp_pktio_promisc_enabled(odp_pktio_t id)
+{
+       pktio_entry_t *entry;
+       int sockfd;
+       struct ifreq ifr;
+       int ret;
+
+       entry = get_entry(id);
+       if (entry == NULL) {
+               ODP_DBG("pktio entry %d does not exist\n", id);
+               return -1;
+       }
+
+       if (entry->s.pkt_sock_mmap.sockfd)
+               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] = 0;
+
+       ret = ioctl(sockfd, SIOCGIFFLAGS, &ifr);
+       if (ret < 0) {
+               ODP_DBG("ioctl SIOCGIFFLAGS error\n");
+               return -1;
+       }
+
+       if (ifr.ifr_flags & IFF_PROMISC)
+               return 1;
+       else
+               return 0;
+}
-- 
1.8.5.1.163.gd7aced9


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