Add ndos for virtual interface. Almost all ndos use netlink exec
to pass command to userspace and read response.
Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com>
---
.../linuxapp/eal/include/exec-env/unci.h | 17 +++
lib/librte_eal/linuxapp/unci/unci_net.c | 132 ++++++++++++++++++++-
2 files changed, 148 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/unci.h
b/lib/librte_eal/linuxapp/eal/include/exec-env/unci.h
index 3d88b7ef3..b39e3c062 100644
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/unci.h
+++ b/lib/librte_eal/linuxapp/eal/include/exec-env/unci.h
@@ -109,4 +109,21 @@ enum {
#define UNCI_CMD_MAX (__UNCI_CMD_MAX - 1)
+/*
+ * Request id.
+ */
+enum unci_req_id {
+ UNCI_REQ_UNKNOWN = (1 << 16),
+ UNCI_REQ_CHANGE_MTU,
+ UNCI_REQ_CFG_NETWORK_IF,
+ UNCI_REQ_GET_STATS,
+ UNCI_REQ_GET_MAC,
+ UNCI_REQ_SET_MAC,
+ UNCI_REQ_START_PORT,
+ UNCI_REQ_STOP_PORT,
+ UNCI_REQ_SET_PROMISC,
+ UNCI_REQ_SET_ALLMULTI,
+ UNCI_REQ_MAX,
+};
+
#endif /* _UAPI_LINUX_UNCI_H_ */
diff --git a/lib/librte_eal/linuxapp/unci/unci_net.c
b/lib/librte_eal/linuxapp/unci/unci_net.c
index 27b9f9f70..7a7eebc15 100644
--- a/lib/librte_eal/linuxapp/unci/unci_net.c
+++ b/lib/librte_eal/linuxapp/unci/unci_net.c
@@ -22,12 +22,142 @@
* Intel Corporation
*/
+#include <linux/etherdevice.h>
#include <linux/module.h>
+#include <linux/version.h>
#include <net/rtnetlink.h>
#include "unci_dev.h"
-static const struct net_device_ops unci_net_netdev_ops = { 0 };
+static int unci_net_init(struct net_device *dev)
+{
+ u8 mac[ETH_ALEN] = {0};
+
+ unci_nl_exec(UNCI_REQ_GET_MAC, dev, NULL, 0, mac, ETH_ALEN);
+ memcpy(dev->dev_addr, mac, dev->addr_len);
+ return 0;
+}
+
+static int unci_net_open(struct net_device *dev)
+{
+ /* DPDK port already started, stop it first */
+ unci_nl_exec(UNCI_REQ_STOP_PORT, dev, NULL, 0, NULL, 0);
+ unci_nl_exec(UNCI_REQ_START_PORT, dev, NULL, 0, NULL, 0);
+ netif_start_queue(dev);
+ return 0;
+}
+
+static int unci_net_close(struct net_device *dev)
+{
+ unci_nl_exec(UNCI_REQ_STOP_PORT, dev, NULL, 0, NULL, 0);
+ netif_stop_queue(dev);
+ return 0;
+}
+
+static int unci_net_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+}
+
+static void unci_net_change_rx_flags(struct net_device *dev, int flags)
+{
+ u32 on = 1;
+ u32 off = 0;
+
+ if (flags & IFF_PROMISC)
+ unci_nl_exec(UNCI_REQ_SET_PROMISC, dev,
+ dev->flags & IFF_PROMISC ? &on : &off,
+ sizeof(u32), NULL, 0);
+
+ if (flags & IFF_ALLMULTI)
+ unci_nl_exec(UNCI_REQ_SET_ALLMULTI, dev,
+ dev->flags & IFF_ALLMULTI ? &on : &off,
+ sizeof(u32), NULL, 0);
+}
+
+static int unci_net_set_mac(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+ int err;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ err = unci_nl_exec(UNCI_REQ_SET_MAC, dev, addr->sa_data,
+ dev->addr_len, NULL, 0);
+ if (err < 0)
+ return -EADDRNOTAVAIL;
+
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+
+ return 0;
+}
+
+static int unci_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ return -EOPNOTSUPP;
+}
+
+/*
+ * Configuration changes (passed on by ifconfig)
+ */
+static int unci_net_config(struct net_device *dev, struct ifmap *map)
+{
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+
+ return -EOPNOTSUPP;
+}
+
+static int unci_net_change_mtu(struct net_device *dev, int new_mtu)
+{
+ int err = 0;
+
+ err = unci_nl_exec(UNCI_REQ_CHANGE_MTU, dev, &new_mtu, sizeof(int),
+ NULL, 0);
+
+ if (err == 0)
+ dev->mtu = new_mtu;
+
+ return err;
+}
+
+static void unci_net_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *stats)
+{
+ int err;
+
+ err = unci_nl_exec(UNCI_REQ_GET_STATS, dev, NULL, 0,
+ stats, sizeof(struct rtnl_link_stats64));
+}
+
+#if (KERNEL_VERSION(3, 9, 0) <= LINUX_VERSION_CODE)
+static int unci_net_change_carrier(struct net_device *dev, bool new_carrier)
+{
+ if (new_carrier)
+ netif_carrier_on(dev);
+ else
+ netif_carrier_off(dev);
+ return 0;
+}
+#endif
+
+static const struct net_device_ops unci_net_netdev_ops = {
+ .ndo_init = unci_net_init,
+ .ndo_open = unci_net_open,
+ .ndo_stop = unci_net_close,
+ .ndo_start_xmit = unci_net_xmit,
+ .ndo_change_rx_flags = unci_net_change_rx_flags,
+ .ndo_set_mac_address = unci_net_set_mac,
+ .ndo_do_ioctl = unci_net_ioctl,
+ .ndo_set_config = unci_net_config,
+ .ndo_change_mtu = unci_net_change_mtu,
+ .ndo_get_stats64 = unci_net_stats64,
+#if (KERNEL_VERSION(3, 9, 0) <= LINUX_VERSION_CODE)
+ .ndo_change_carrier = unci_net_change_carrier,
+#endif
+};
static void unci_net_setup(struct net_device *dev)
{
--
2.13.0
