/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <linux/ip.h>
#include <linux/types.h>
#include <linux/ethtool.h>
+#include <linux/mii.h>
#include <linux/pkt_sched.h>
#include <linux/rtnetlink.h>
#include <linux/sockios.h>
/* Create rtnetlink socket. */
if (!status) {
- status = nl_sock_create(NETLINK_ROUTE, 0, 0, 0, &rtnl_sock);
+ status = nl_sock_create(NETLINK_ROUTE, &rtnl_sock);
if (status) {
VLOG_ERR_RL(&rl, "failed to create rtnetlink socket: %s",
strerror(status));
return error;
}
+static int
+netdev_linux_do_miimon(const struct netdev *netdev, int cmd,
+ const char *cmd_name, struct mii_ioctl_data *data)
+{
+ struct ifreq ifr;
+ int error;
+
+ memset(&ifr, 0, sizeof ifr);
+ memcpy(&ifr.ifr_data, data, sizeof *data);
+ error = netdev_linux_do_ioctl(netdev_get_name(netdev),
+ &ifr, cmd, cmd_name);
+ memcpy(data, &ifr.ifr_data, sizeof *data);
+
+ return error;
+}
+
+static int
+netdev_linux_get_miimon(const struct netdev *netdev, bool *miimon)
+{
+ const char *name = netdev_get_name(netdev);
+ struct mii_ioctl_data data;
+ int error;
+
+ *miimon = false;
+
+ memset(&data, 0, sizeof data);
+ error = netdev_linux_do_miimon(netdev, SIOCGMIIPHY, "SIOCGMIIPHY", &data);
+ if (!error) {
+ /* data.phy_id is filled out by previous SIOCGMIIPHY miimon call. */
+ data.reg_num = MII_BMSR;
+ error = netdev_linux_do_miimon(netdev, SIOCGMIIREG, "SIOCGMIIREG",
+ &data);
+
+ if (!error) {
+ *miimon = !!(data.val_out & BMSR_LSTATUS);
+ } else {
+ VLOG_WARN_RL(&rl, "%s: failed to query MII", name);
+ }
+ } else {
+ struct ethtool_cmd ecmd;
+
+ VLOG_DBG_RL(&rl, "%s: failed to query MII, falling back to ethtool",
+ name);
+
+ memset(&ecmd, 0, sizeof ecmd);
+ error = netdev_linux_do_ethtool(name, &ecmd, ETHTOOL_GLINK,
+ "ETHTOOL_GLINK");
+ if (!error) {
+ struct ethtool_value eval;
+
+ memcpy(&eval, &ecmd, sizeof eval);
+ *miimon = !!eval.data;
+ } else {
+ VLOG_WARN_RL(&rl, "%s: ethtool link status failed", name);
+ }
+ }
+
+ return error;
+}
+
/* Check whether we can we use RTM_GETLINK to get network device statistics.
* In pre-2.6.19 kernels, this was only available if wireless extensions were
* enabled. */
* bitmap of "enum ofp_port_features" bits, in host byte order. Returns 0 if
* successful, otherwise a positive errno value. */
static int
-netdev_linux_get_features(struct netdev *netdev,
+netdev_linux_get_features(const struct netdev *netdev,
uint32_t *current, uint32_t *advertised,
uint32_t *supported, uint32_t *peer)
{
return ENXIO;
}
+static int
+netdev_linux_get_status(const struct netdev *netdev, struct shash *sh)
+{
+ struct ethtool_drvinfo drvinfo;
+ int error;
+
+ memset(&drvinfo, 0, sizeof drvinfo);
+ error = netdev_linux_do_ethtool(netdev_get_name(netdev),
+ (struct ethtool_cmd *)&drvinfo,
+ ETHTOOL_GDRVINFO,
+ "ETHTOOL_GDRVINFO");
+ if (!error) {
+ shash_add(sh, "driver_name", xstrdup(drvinfo.driver));
+ shash_add(sh, "driver_version", xstrdup(drvinfo.version));
+ shash_add(sh, "firmware_version", xstrdup(drvinfo.fw_version));
+ }
+
+ return error;
+}
+
/* Looks up the ARP table entry for 'ip' on 'netdev'. If one exists and can be
* successfully retrieved, it stores the corresponding MAC address in 'mac' and
* returns 0. Otherwise, it returns a positive errno value; in particular,
netdev_linux_get_mtu, \
netdev_linux_get_ifindex, \
netdev_linux_get_carrier, \
+ netdev_linux_get_miimon, \
netdev_linux_get_stats, \
SET_STATS, \
\
netdev_linux_get_in6, \
netdev_linux_add_router, \
netdev_linux_get_next_hop, \
- NULL, /* get_tnl_iface */ \
+ netdev_linux_get_status, \
netdev_linux_arp_lookup, \
\
netdev_linux_update_flags, \