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[PATCHv3,02/10] API: promisc mode manipulation functions

Message ID 1417442928-20680-3-git-send-email-maxim.uvarov@linaro.org
State New
Headers show

Commit Message

Maxim Uvarov Dec. 1, 2014, 2:08 p.m. UTC 
Define API and implement promisc functions for linux-generic.

Signed-off-by: Maxim Uvarov <maxim.uvarov@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(+)
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Patch

diff --git a/platform/linux-generic/include/api/odp_packet_io.h b/platform/linux-generic/include/api/odp_packet_io.h
index 667395c..c7d1e40 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_t 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 acc03bb..ce02965 100644
--- a/platform/linux-generic/odp_packet_io.c
+++ b/platform/linux-generic/odp_packet_io.c
@@ -545,3 +545,77 @@  int odp_pktio_mtu(odp_pktio_t id)
 
 	return ifr.ifr_mtu;
 }
+
+int odp_pktio_promisc_set(odp_pktio_t id, odp_bool_t 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 > -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] = 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 > -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] = 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;
+}