/*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
COVERAGE_DEFINE(netdev_get_hwaddr);
COVERAGE_DEFINE(netdev_set_hwaddr);
COVERAGE_DEFINE(netdev_ethtool);
+
\f
/* These were introduced in Linux 2.6.14, so they might be missing if we have
* old headers. */
VALID_IN6 = 1 << 3,
VALID_MTU = 1 << 4,
VALID_POLICING = 1 << 5,
- VALID_HAVE_VPORT_STATS = 1 << 6
+ VALID_VPORT_STAT_ERROR = 1 << 6,
+ VALID_DRVINFO = 1 << 7,
+ VALID_FEATURES = 1 << 8,
};
struct tap_state {
struct in_addr address, netmask;
struct in6_addr in6;
int mtu;
- bool carrier;
+ unsigned int ifi_flags;
long long int carrier_resets;
uint32_t kbits_rate; /* Policing data. */
uint32_t kbits_burst;
- bool have_vport_stats;
+ int vport_stats_error; /* Cached error code from vport_get_stats().
+ 0 or an errno value. */
+ int netdev_mtu_error; /* Cached error code from SIOCGIFMTU or SIOCSIFMTU. */
+ int ether_addr_error; /* Cached error code from set/get etheraddr. */
+ int netdev_policing_error; /* Cached error code from set policing. */
+ int get_features_error; /* Cached error code from ETHTOOL_GSET. */
+ int get_ifindex_error; /* Cached error code from SIOCGIFINDEX. */
+
+ enum netdev_features current; /* Cached from ETHTOOL_GSET. */
+ enum netdev_features advertised; /* Cached from ETHTOOL_GSET. */
+ enum netdev_features supported; /* Cached from ETHTOOL_GSET. */
+ enum netdev_features peer; /* Cached from ETHTOOL_GSET. */
+
+ struct ethtool_drvinfo drvinfo; /* Cached from ETHTOOL_GDRVINFO. */
struct tc *tc;
union {
const char *cmd_name);
static int netdev_linux_get_ipv4(const struct netdev *, struct in_addr *,
int cmd, const char *cmd_name);
-static int get_flags(const struct netdev *, int *flagsp);
-static int set_flags(struct netdev *, int flags);
+static int get_flags(const struct netdev_dev *, unsigned int *flags);
+static int set_flags(struct netdev *, unsigned int flags);
static int do_get_ifindex(const char *netdev_name);
static int get_ifindex(const struct netdev *, int *ifindexp);
static int do_set_addr(struct netdev *netdev,
int ioctl_nr, const char *ioctl_name,
struct in_addr addr);
static int get_etheraddr(const char *netdev_name, uint8_t ea[ETH_ADDR_LEN]);
-static int set_etheraddr(const char *netdev_name, int hwaddr_family,
- const uint8_t[ETH_ADDR_LEN]);
+static int set_etheraddr(const char *netdev_name, const uint8_t[ETH_ADDR_LEN]);
static int get_stats_via_netlink(int ifindex, struct netdev_stats *stats);
static int get_stats_via_proc(const char *netdev_name, struct netdev_stats *stats);
-static int get_carrier_via_sysfs(const char *name, bool *carrier);
static int af_packet_sock(void);
static void netdev_linux_miimon_run(void);
static void netdev_linux_miimon_wait(void);
netdev_linux_miimon_wait();
}
+static int
+netdev_linux_get_drvinfo(struct netdev_dev_linux *netdev_dev)
+{
+
+ int error;
+
+ if (netdev_dev->cache_valid & VALID_DRVINFO) {
+ return 0;
+ }
+
+ memset(&netdev_dev->drvinfo, 0, sizeof netdev_dev->drvinfo);
+ error = netdev_linux_do_ethtool(netdev_dev->netdev_dev.name,
+ (struct ethtool_cmd *)&netdev_dev->drvinfo,
+ ETHTOOL_GDRVINFO,
+ "ETHTOOL_GDRVINFO");
+ if (!error) {
+ netdev_dev->cache_valid |= VALID_DRVINFO;
+ }
+ return error;
+}
+
static void
-netdev_dev_linux_changed(struct netdev_dev_linux *dev)
+netdev_dev_linux_changed(struct netdev_dev_linux *dev,
+ unsigned int ifi_flags,
+ unsigned int mask)
{
dev->change_seq++;
if (!dev->change_seq) {
dev->change_seq++;
}
- dev->cache_valid = 0;
+
+ if ((dev->ifi_flags ^ ifi_flags) & IFF_RUNNING) {
+ dev->carrier_resets++;
+ }
+ dev->ifi_flags = ifi_flags;
+
+ dev->cache_valid &= mask;
+}
+
+static void
+netdev_dev_linux_update(struct netdev_dev_linux *dev,
+ const struct rtnetlink_link_change *change)
+{
+ if (change->nlmsg_type == RTM_NEWLINK) {
+ /* Keep drv-info */
+ netdev_dev_linux_changed(dev, change->ifi_flags, VALID_DRVINFO);
+
+ /* Update netdev from rtnl-change msg. */
+ if (change->mtu) {
+ dev->mtu = change->mtu;
+ dev->cache_valid |= VALID_MTU;
+ dev->netdev_mtu_error = 0;
+ }
+
+ if (!eth_addr_is_zero(change->addr)) {
+ memcpy(dev->etheraddr, change->addr, ETH_ADDR_LEN);
+ dev->cache_valid |= VALID_ETHERADDR;
+ dev->ether_addr_error = 0;
+ }
+
+ dev->ifindex = change->ifi_index;
+ dev->cache_valid |= VALID_IFINDEX;
+ dev->get_ifindex_error = 0;
+
+ } else {
+ netdev_dev_linux_changed(dev, change->ifi_flags, 0);
+ }
}
static void
if (is_netdev_linux_class(netdev_class)) {
dev = netdev_dev_linux_cast(base_dev);
-
- if (dev->carrier != change->running) {
- dev->carrier = change->running;
- dev->carrier_resets++;
- }
-
- netdev_dev_linux_changed(dev);
+ netdev_dev_linux_update(dev, change);
}
}
} else {
shash_init(&device_shash);
netdev_dev_get_devices(&netdev_linux_class, &device_shash);
SHASH_FOR_EACH (node, &device_shash) {
- bool carrier;
+ unsigned int flags;
dev = node->data;
- get_carrier_via_sysfs(node->name, &carrier);
- if (dev->carrier != carrier) {
- dev->carrier = carrier;
- dev->carrier_resets++;
- }
-
- netdev_dev_linux_changed(dev);
+ get_flags(&dev->netdev_dev, &flags);
+ netdev_dev_linux_changed(dev, flags, 0);
}
shash_destroy(&device_shash);
}
netdev_dev = xzalloc(sizeof *netdev_dev);
netdev_dev->change_seq = 1;
netdev_dev_init(&netdev_dev->netdev_dev, name, class);
- get_carrier_via_sysfs(name, &netdev_dev->carrier);
+ get_flags(&netdev_dev->netdev_dev, &netdev_dev->ifi_flags);
*netdev_devp = &netdev_dev->netdev_dev;
return 0;
}
for (;;) {
- ssize_t retval = recv(netdev->fd, data, size, MSG_TRUNC);
+ ssize_t retval;
+
+ retval = (netdev_->netdev_dev->netdev_class == &netdev_tap_class
+ ? read(netdev->fd, data, size)
+ : recv(netdev->fd, data, size, MSG_TRUNC));
if (retval >= 0) {
return retval <= size ? retval : -EMSGSIZE;
} else if (errno != EINTR) {
netdev_dev_linux_cast(netdev_get_dev(netdev_));
int error;
- if (!(netdev_dev->cache_valid & VALID_ETHERADDR)
- || !eth_addr_equals(netdev_dev->etheraddr, mac)) {
- error = set_etheraddr(netdev_get_name(netdev_), ARPHRD_ETHER, mac);
+ if (netdev_dev->cache_valid & VALID_ETHERADDR) {
+ if (netdev_dev->ether_addr_error) {
+ return netdev_dev->ether_addr_error;
+ }
+ if (eth_addr_equals(netdev_dev->etheraddr, mac)) {
+ return 0;
+ }
+ netdev_dev->cache_valid &= ~VALID_ETHERADDR;
+ }
+
+ error = set_etheraddr(netdev_get_name(netdev_), mac);
+ if (!error || error == ENODEV) {
+ netdev_dev->ether_addr_error = error;
+ netdev_dev->cache_valid |= VALID_ETHERADDR;
if (!error) {
- netdev_dev->cache_valid |= VALID_ETHERADDR;
memcpy(netdev_dev->etheraddr, mac, ETH_ADDR_LEN);
}
- } else {
- error = 0;
}
+
return error;
}
-/* Returns a pointer to 'netdev''s MAC address. The caller must not modify or
- * free the returned buffer. */
+/* Copies 'netdev''s MAC address to 'mac' which is passed as param. */
static int
netdev_linux_get_etheraddr(const struct netdev *netdev_,
uint8_t mac[ETH_ADDR_LEN])
{
struct netdev_dev_linux *netdev_dev =
netdev_dev_linux_cast(netdev_get_dev(netdev_));
+
if (!(netdev_dev->cache_valid & VALID_ETHERADDR)) {
int error = get_etheraddr(netdev_get_name(netdev_),
netdev_dev->etheraddr);
- if (error) {
- return error;
- }
+
+ netdev_dev->ether_addr_error = error;
netdev_dev->cache_valid |= VALID_ETHERADDR;
}
- memcpy(mac, netdev_dev->etheraddr, ETH_ADDR_LEN);
- return 0;
+
+ if (!netdev_dev->ether_addr_error) {
+ memcpy(mac, netdev_dev->etheraddr, ETH_ADDR_LEN);
+ }
+
+ return netdev_dev->ether_addr_error;
}
/* Returns the maximum size of transmitted (and received) packets on 'netdev',
error = netdev_linux_do_ioctl(netdev_get_name(netdev_), &ifr,
SIOCGIFMTU, "SIOCGIFMTU");
- if (error) {
- return error;
- }
+
+ netdev_dev->netdev_mtu_error = error;
netdev_dev->mtu = ifr.ifr_mtu;
netdev_dev->cache_valid |= VALID_MTU;
}
- *mtup = netdev_dev->mtu;
- return 0;
+
+ if (!netdev_dev->netdev_mtu_error) {
+ *mtup = netdev_dev->mtu;
+ }
+ return netdev_dev->netdev_mtu_error;
}
/* Sets the maximum size of transmitted (MTU) for given device using linux
struct ifreq ifr;
int error;
- if (netdev_dev->cache_valid & VALID_MTU &&
- netdev_dev->mtu == mtu) {
- return 0;
+ if (netdev_dev->cache_valid & VALID_MTU) {
+ if (netdev_dev->netdev_mtu_error) {
+ return netdev_dev->netdev_mtu_error;
+ }
+ if (netdev_dev->mtu == mtu) {
+ return 0;
+ }
+ netdev_dev->cache_valid &= ~VALID_MTU;
}
ifr.ifr_mtu = mtu;
error = netdev_linux_do_ioctl(netdev_get_name(netdev_), &ifr,
SIOCSIFMTU, "SIOCSIFMTU");
- if (error) {
- return error;
+ if (!error || error == ENODEV) {
+ netdev_dev->netdev_mtu_error = error;
+ netdev_dev->mtu = ifr.ifr_mtu;
+ netdev_dev->cache_valid |= VALID_MTU;
}
-
- netdev_dev->mtu = ifr.ifr_mtu;
- netdev_dev->cache_valid |= VALID_MTU;
- return 0;
+ return error;
}
/* Returns the ifindex of 'netdev', if successful, as a positive number.
if (netdev_dev->miimon_interval > 0) {
*carrier = netdev_dev->miimon;
} else {
- *carrier = netdev_dev->carrier;
+ *carrier = (netdev_dev->ifi_flags & IFF_RUNNING) != 0;
}
return 0;
netdev_linux_get_miimon(dev->netdev_dev.name, &miimon);
if (miimon != dev->miimon) {
dev->miimon = miimon;
- netdev_dev_linux_changed(dev);
+ netdev_dev_linux_changed(dev, dev->ifi_flags, 0);
}
timer_set_duration(&dev->miimon_timer, dev->miimon_interval);
struct netdev_dev_linux *netdev_dev =
netdev_dev_linux_cast(netdev_get_dev(netdev_));
- if (netdev_dev->have_vport_stats ||
- !(netdev_dev->cache_valid & VALID_HAVE_VPORT_STATS)) {
+ if (!netdev_dev->vport_stats_error ||
+ !(netdev_dev->cache_valid & VALID_VPORT_STAT_ERROR)) {
int error;
error = netdev_vport_get_stats(netdev_, stats);
VLOG_WARN_RL(&rl, "%s: obtaining netdev stats via vport failed "
"(%s)", netdev_get_name(netdev_), strerror(error));
}
- netdev_dev->have_vport_stats = !error;
- netdev_dev->cache_valid |= VALID_HAVE_VPORT_STATS;
+ netdev_dev->vport_stats_error = error;
+ netdev_dev->cache_valid |= VALID_VPORT_STAT_ERROR;
}
}
error = netdev_linux_sys_get_stats(netdev_, &dev_stats);
if (error) {
- if (!netdev_dev->have_vport_stats) {
+ if (netdev_dev->vport_stats_error) {
return error;
} else {
return 0;
}
}
- if (!netdev_dev->have_vport_stats) {
+ if (netdev_dev->vport_stats_error) {
/* stats not available from OVS then use ioctl stats. */
*stats = dev_stats;
} else {
/* Retrieves current device stats for 'netdev-tap' netdev or
* netdev-internal. */
static int
-netdev_pseudo_get_stats(const struct netdev *netdev_,
+netdev_tap_get_stats(const struct netdev *netdev_,
struct netdev_stats *stats)
{
struct netdev_dev_linux *netdev_dev =
error = netdev_linux_sys_get_stats(netdev_, &dev_stats);
if (error) {
- if (!netdev_dev->have_vport_stats) {
+ if (netdev_dev->vport_stats_error) {
return error;
} else {
return 0;
* them back here. This does not apply if we are getting stats from the
* vport layer because it always tracks stats from the perspective of the
* switch. */
- if (!netdev_dev->have_vport_stats) {
+ if (netdev_dev->vport_stats_error) {
*stats = dev_stats;
swap_uint64(&stats->rx_packets, &stats->tx_packets);
swap_uint64(&stats->rx_bytes, &stats->tx_bytes);
return 0;
}
-/* Stores the features supported by 'netdev' into each of '*current',
- * '*advertised', '*supported', and '*peer' that are non-null. Each value is a
- * 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(const struct netdev *netdev,
- uint32_t *current, uint32_t *advertised,
- uint32_t *supported, uint32_t *peer)
+netdev_internal_get_stats(const struct netdev *netdev_,
+ struct netdev_stats *stats)
+{
+ struct netdev_dev_linux *netdev_dev =
+ netdev_dev_linux_cast(netdev_get_dev(netdev_));
+
+ get_stats_via_vport(netdev_, stats);
+ return netdev_dev->vport_stats_error;
+}
+
+static void
+netdev_linux_read_features(struct netdev_dev_linux *netdev_dev)
{
struct ethtool_cmd ecmd;
+ uint32_t speed;
int error;
+ if (netdev_dev->cache_valid & VALID_FEATURES) {
+ return;
+ }
+
memset(&ecmd, 0, sizeof ecmd);
- error = netdev_linux_do_ethtool(netdev_get_name(netdev), &ecmd,
+ error = netdev_linux_do_ethtool(netdev_dev->netdev_dev.name, &ecmd,
ETHTOOL_GSET, "ETHTOOL_GSET");
if (error) {
- return error;
+ goto out;
}
/* Supported features. */
- *supported = 0;
+ netdev_dev->supported = 0;
if (ecmd.supported & SUPPORTED_10baseT_Half) {
- *supported |= OFPPF_10MB_HD;
+ netdev_dev->supported |= NETDEV_F_10MB_HD;
}
if (ecmd.supported & SUPPORTED_10baseT_Full) {
- *supported |= OFPPF_10MB_FD;
+ netdev_dev->supported |= NETDEV_F_10MB_FD;
}
if (ecmd.supported & SUPPORTED_100baseT_Half) {
- *supported |= OFPPF_100MB_HD;
+ netdev_dev->supported |= NETDEV_F_100MB_HD;
}
if (ecmd.supported & SUPPORTED_100baseT_Full) {
- *supported |= OFPPF_100MB_FD;
+ netdev_dev->supported |= NETDEV_F_100MB_FD;
}
if (ecmd.supported & SUPPORTED_1000baseT_Half) {
- *supported |= OFPPF_1GB_HD;
+ netdev_dev->supported |= NETDEV_F_1GB_HD;
}
if (ecmd.supported & SUPPORTED_1000baseT_Full) {
- *supported |= OFPPF_1GB_FD;
+ netdev_dev->supported |= NETDEV_F_1GB_FD;
}
if (ecmd.supported & SUPPORTED_10000baseT_Full) {
- *supported |= OFPPF_10GB_FD;
+ netdev_dev->supported |= NETDEV_F_10GB_FD;
}
if (ecmd.supported & SUPPORTED_TP) {
- *supported |= OFPPF_COPPER;
+ netdev_dev->supported |= NETDEV_F_COPPER;
}
if (ecmd.supported & SUPPORTED_FIBRE) {
- *supported |= OFPPF_FIBER;
+ netdev_dev->supported |= NETDEV_F_FIBER;
}
if (ecmd.supported & SUPPORTED_Autoneg) {
- *supported |= OFPPF_AUTONEG;
+ netdev_dev->supported |= NETDEV_F_AUTONEG;
}
if (ecmd.supported & SUPPORTED_Pause) {
- *supported |= OFPPF_PAUSE;
+ netdev_dev->supported |= NETDEV_F_PAUSE;
}
if (ecmd.supported & SUPPORTED_Asym_Pause) {
- *supported |= OFPPF_PAUSE_ASYM;
+ netdev_dev->supported |= NETDEV_F_PAUSE_ASYM;
}
/* Advertised features. */
- *advertised = 0;
+ netdev_dev->advertised = 0;
if (ecmd.advertising & ADVERTISED_10baseT_Half) {
- *advertised |= OFPPF_10MB_HD;
+ netdev_dev->advertised |= NETDEV_F_10MB_HD;
}
if (ecmd.advertising & ADVERTISED_10baseT_Full) {
- *advertised |= OFPPF_10MB_FD;
+ netdev_dev->advertised |= NETDEV_F_10MB_FD;
}
if (ecmd.advertising & ADVERTISED_100baseT_Half) {
- *advertised |= OFPPF_100MB_HD;
+ netdev_dev->advertised |= NETDEV_F_100MB_HD;
}
if (ecmd.advertising & ADVERTISED_100baseT_Full) {
- *advertised |= OFPPF_100MB_FD;
+ netdev_dev->advertised |= NETDEV_F_100MB_FD;
}
if (ecmd.advertising & ADVERTISED_1000baseT_Half) {
- *advertised |= OFPPF_1GB_HD;
+ netdev_dev->advertised |= NETDEV_F_1GB_HD;
}
if (ecmd.advertising & ADVERTISED_1000baseT_Full) {
- *advertised |= OFPPF_1GB_FD;
+ netdev_dev->advertised |= NETDEV_F_1GB_FD;
}
if (ecmd.advertising & ADVERTISED_10000baseT_Full) {
- *advertised |= OFPPF_10GB_FD;
+ netdev_dev->advertised |= NETDEV_F_10GB_FD;
}
if (ecmd.advertising & ADVERTISED_TP) {
- *advertised |= OFPPF_COPPER;
+ netdev_dev->advertised |= NETDEV_F_COPPER;
}
if (ecmd.advertising & ADVERTISED_FIBRE) {
- *advertised |= OFPPF_FIBER;
+ netdev_dev->advertised |= NETDEV_F_FIBER;
}
if (ecmd.advertising & ADVERTISED_Autoneg) {
- *advertised |= OFPPF_AUTONEG;
+ netdev_dev->advertised |= NETDEV_F_AUTONEG;
}
if (ecmd.advertising & ADVERTISED_Pause) {
- *advertised |= OFPPF_PAUSE;
+ netdev_dev->advertised |= NETDEV_F_PAUSE;
}
if (ecmd.advertising & ADVERTISED_Asym_Pause) {
- *advertised |= OFPPF_PAUSE_ASYM;
+ netdev_dev->advertised |= NETDEV_F_PAUSE_ASYM;
}
/* Current settings. */
- if (ecmd.speed == SPEED_10) {
- *current = ecmd.duplex ? OFPPF_10MB_FD : OFPPF_10MB_HD;
- } else if (ecmd.speed == SPEED_100) {
- *current = ecmd.duplex ? OFPPF_100MB_FD : OFPPF_100MB_HD;
- } else if (ecmd.speed == SPEED_1000) {
- *current = ecmd.duplex ? OFPPF_1GB_FD : OFPPF_1GB_HD;
- } else if (ecmd.speed == SPEED_10000) {
- *current = OFPPF_10GB_FD;
+ speed = ecmd.speed;
+ if (speed == SPEED_10) {
+ netdev_dev->current = ecmd.duplex ? NETDEV_F_10MB_FD : NETDEV_F_10MB_HD;
+ } else if (speed == SPEED_100) {
+ netdev_dev->current = ecmd.duplex ? NETDEV_F_100MB_FD : NETDEV_F_100MB_HD;
+ } else if (speed == SPEED_1000) {
+ netdev_dev->current = ecmd.duplex ? NETDEV_F_1GB_FD : NETDEV_F_1GB_HD;
+ } else if (speed == SPEED_10000) {
+ netdev_dev->current = NETDEV_F_10GB_FD;
+ } else if (speed == 40000) {
+ netdev_dev->current = NETDEV_F_40GB_FD;
+ } else if (speed == 100000) {
+ netdev_dev->current = NETDEV_F_100GB_FD;
+ } else if (speed == 1000000) {
+ netdev_dev->current = NETDEV_F_1TB_FD;
} else {
- *current = 0;
+ netdev_dev->current = 0;
}
if (ecmd.port == PORT_TP) {
- *current |= OFPPF_COPPER;
+ netdev_dev->current |= NETDEV_F_COPPER;
} else if (ecmd.port == PORT_FIBRE) {
- *current |= OFPPF_FIBER;
+ netdev_dev->current |= NETDEV_F_FIBER;
}
if (ecmd.autoneg) {
- *current |= OFPPF_AUTONEG;
+ netdev_dev->current |= NETDEV_F_AUTONEG;
}
/* Peer advertisements. */
- *peer = 0; /* XXX */
+ netdev_dev->peer = 0; /* XXX */
- return 0;
+out:
+ netdev_dev->cache_valid |= VALID_FEATURES;
+ netdev_dev->get_features_error = error;
+}
+
+/* Stores the features supported by 'netdev' into each of '*current',
+ * '*advertised', '*supported', and '*peer' that are non-null. Each value is a
+ * bitmap of NETDEV_* bits. Returns 0 if successful, otherwise a positive
+ * errno value. */
+static int
+netdev_linux_get_features(const struct netdev *netdev_,
+ enum netdev_features *current,
+ enum netdev_features *advertised,
+ enum netdev_features *supported,
+ enum netdev_features *peer)
+{
+ struct netdev_dev_linux *netdev_dev =
+ netdev_dev_linux_cast(netdev_get_dev(netdev_));
+
+ netdev_linux_read_features(netdev_dev);
+
+ if (!netdev_dev->get_features_error) {
+ *current = netdev_dev->current;
+ *advertised = netdev_dev->advertised;
+ *supported = netdev_dev->supported;
+ *peer = netdev_dev->peer;
+ }
+ return netdev_dev->get_features_error;
}
/* Set the features advertised by 'netdev' to 'advertise'. */
static int
-netdev_linux_set_advertisements(struct netdev *netdev, uint32_t advertise)
+netdev_linux_set_advertisements(struct netdev *netdev,
+ enum netdev_features advertise)
{
struct ethtool_cmd ecmd;
int error;
}
ecmd.advertising = 0;
- if (advertise & OFPPF_10MB_HD) {
+ if (advertise & NETDEV_F_10MB_HD) {
ecmd.advertising |= ADVERTISED_10baseT_Half;
}
- if (advertise & OFPPF_10MB_FD) {
+ if (advertise & NETDEV_F_10MB_FD) {
ecmd.advertising |= ADVERTISED_10baseT_Full;
}
- if (advertise & OFPPF_100MB_HD) {
+ if (advertise & NETDEV_F_100MB_HD) {
ecmd.advertising |= ADVERTISED_100baseT_Half;
}
- if (advertise & OFPPF_100MB_FD) {
+ if (advertise & NETDEV_F_100MB_FD) {
ecmd.advertising |= ADVERTISED_100baseT_Full;
}
- if (advertise & OFPPF_1GB_HD) {
+ if (advertise & NETDEV_F_1GB_HD) {
ecmd.advertising |= ADVERTISED_1000baseT_Half;
}
- if (advertise & OFPPF_1GB_FD) {
+ if (advertise & NETDEV_F_1GB_FD) {
ecmd.advertising |= ADVERTISED_1000baseT_Full;
}
- if (advertise & OFPPF_10GB_FD) {
+ if (advertise & NETDEV_F_10GB_FD) {
ecmd.advertising |= ADVERTISED_10000baseT_Full;
}
- if (advertise & OFPPF_COPPER) {
+ if (advertise & NETDEV_F_COPPER) {
ecmd.advertising |= ADVERTISED_TP;
}
- if (advertise & OFPPF_FIBER) {
+ if (advertise & NETDEV_F_FIBER) {
ecmd.advertising |= ADVERTISED_FIBRE;
}
- if (advertise & OFPPF_AUTONEG) {
+ if (advertise & NETDEV_F_AUTONEG) {
ecmd.advertising |= ADVERTISED_Autoneg;
}
- if (advertise & OFPPF_PAUSE) {
+ if (advertise & NETDEV_F_PAUSE) {
ecmd.advertising |= ADVERTISED_Pause;
}
- if (advertise & OFPPF_PAUSE_ASYM) {
+ if (advertise & NETDEV_F_PAUSE_ASYM) {
ecmd.advertising |= ADVERTISED_Asym_Pause;
}
return netdev_linux_do_ethtool(netdev_get_name(netdev), &ecmd,
const char *netdev_name = netdev_get_name(netdev);
int error;
- COVERAGE_INC(netdev_set_policing);
kbits_burst = (!kbits_rate ? 0 /* Force to 0 if no rate specified. */
: !kbits_burst ? 1000 /* Default to 1000 kbits if 0. */
: kbits_burst); /* Stick with user-specified value. */
- if (netdev_dev->cache_valid & VALID_POLICING
- && netdev_dev->kbits_rate == kbits_rate
- && netdev_dev->kbits_burst == kbits_burst) {
- /* Assume that settings haven't changed since we last set them. */
- return 0;
+ if (netdev_dev->cache_valid & VALID_POLICING) {
+ if (netdev_dev->netdev_policing_error) {
+ return netdev_dev->netdev_policing_error;
+ }
+
+ if (netdev_dev->kbits_rate == kbits_rate &&
+ netdev_dev->kbits_burst == kbits_burst) {
+ /* Assume that settings haven't changed since we last set them. */
+ return 0;
+ }
+ netdev_dev->cache_valid &= ~VALID_POLICING;
}
+ COVERAGE_INC(netdev_set_policing);
/* Remove any existing ingress qdisc. */
error = tc_add_del_ingress_qdisc(netdev, false);
if (error) {
VLOG_WARN_RL(&rl, "%s: removing policing failed: %s",
netdev_name, strerror(error));
- return error;
+ goto out;
}
if (kbits_rate) {
if (error) {
VLOG_WARN_RL(&rl, "%s: adding policing qdisc failed: %s",
netdev_name, strerror(error));
- return error;
+ goto out;
}
error = tc_add_policer(netdev, kbits_rate, kbits_burst);
if (error){
VLOG_WARN_RL(&rl, "%s: adding policing action failed: %s",
netdev_name, strerror(error));
- return error;
+ goto out;
}
}
netdev_dev->kbits_rate = kbits_rate;
netdev_dev->kbits_burst = kbits_burst;
- netdev_dev->cache_valid |= VALID_POLICING;
- return 0;
+out:
+ if (!error || error == ENODEV) {
+ netdev_dev->netdev_policing_error = error;
+ netdev_dev->cache_valid |= VALID_POLICING;
+ }
+ return error;
}
static int
{
struct netdev_dev_linux *netdev_dev =
netdev_dev_linux_cast(netdev_get_dev(netdev));
- struct tc_queue *queue;
+ struct tc_queue *queue, *next_queue;
struct shash details;
int last_error;
int error;
last_error = 0;
shash_init(&details);
- HMAP_FOR_EACH (queue, hmap_node, &netdev_dev->tc->queues) {
+ HMAP_FOR_EACH_SAFE (queue, next_queue, hmap_node,
+ &netdev_dev->tc->queues) {
shash_clear(&details);
error = netdev_dev->tc->ops->class_get(netdev, queue, &details);
static int
netdev_linux_get_status(const struct netdev *netdev, struct shash *sh)
{
- struct ethtool_drvinfo drvinfo;
int error;
+ struct netdev_dev_linux *netdev_dev =
+ netdev_dev_linux_cast(netdev_get_dev(netdev));
- memset(&drvinfo, 0, sizeof drvinfo);
- error = netdev_linux_do_ethtool(netdev_get_name(netdev),
- (struct ethtool_cmd *)&drvinfo,
- ETHTOOL_GDRVINFO,
- "ETHTOOL_GDRVINFO");
+ error = netdev_linux_get_drvinfo(netdev_dev);
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));
+ shash_add(sh, "driver_name", xstrdup(netdev_dev->drvinfo.driver));
+ shash_add(sh, "driver_version", xstrdup(netdev_dev->drvinfo.version));
+ shash_add(sh, "firmware_version", xstrdup(netdev_dev->drvinfo.fw_version));
}
-
return error;
}
+static int
+netdev_internal_get_status(const struct netdev *netdev OVS_UNUSED, struct shash *sh)
+{
+ shash_add(sh, "driver_name", xstrdup("openvswitch"));
+ return 0;
+}
+
/* 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_update_flags(struct netdev *netdev, enum netdev_flags off,
enum netdev_flags on, enum netdev_flags *old_flagsp)
{
+ struct netdev_dev_linux *netdev_dev;
int old_flags, new_flags;
- int error;
+ int error = 0;
- error = get_flags(netdev, &old_flags);
- if (!error) {
- *old_flagsp = iff_to_nd_flags(old_flags);
- new_flags = (old_flags & ~nd_to_iff_flags(off)) | nd_to_iff_flags(on);
- if (new_flags != old_flags) {
- error = set_flags(netdev, new_flags);
- }
+ netdev_dev = netdev_dev_linux_cast(netdev_get_dev(netdev));
+ old_flags = netdev_dev->ifi_flags;
+ *old_flagsp = iff_to_nd_flags(old_flags);
+ new_flags = (old_flags & ~nd_to_iff_flags(off)) | nd_to_iff_flags(on);
+ if (new_flags != old_flags) {
+ error = set_flags(netdev, new_flags);
+ get_flags(&netdev_dev->netdev_dev, &netdev_dev->ifi_flags);
}
return error;
}
return netdev_dev_linux_cast(netdev_get_dev(netdev))->change_seq;
}
-#define NETDEV_LINUX_CLASS(NAME, CREATE, GET_STATS, SET_STATS) \
+#define NETDEV_LINUX_CLASS(NAME, CREATE, GET_STATS, SET_STATS, \
+ GET_FEATURES, GET_STATUS) \
{ \
NAME, \
\
GET_STATS, \
SET_STATS, \
\
- netdev_linux_get_features, \
+ GET_FEATURES, \
netdev_linux_set_advertisements, \
\
netdev_linux_set_policing, \
netdev_linux_get_in6, \
netdev_linux_add_router, \
netdev_linux_get_next_hop, \
- netdev_linux_get_status, \
+ GET_STATUS, \
netdev_linux_arp_lookup, \
\
netdev_linux_update_flags, \
"system",
netdev_linux_create,
netdev_linux_get_stats,
- NULL); /* set_stats */
+ NULL, /* set_stats */
+ netdev_linux_get_features,
+ netdev_linux_get_status);
const struct netdev_class netdev_tap_class =
NETDEV_LINUX_CLASS(
"tap",
netdev_linux_create_tap,
- netdev_pseudo_get_stats,
- NULL); /* set_stats */
+ netdev_tap_get_stats,
+ NULL, /* set_stats */
+ netdev_linux_get_features,
+ netdev_linux_get_status);
const struct netdev_class netdev_internal_class =
NETDEV_LINUX_CLASS(
"internal",
netdev_linux_create,
- netdev_pseudo_get_stats,
- netdev_vport_set_stats);
+ netdev_internal_get_stats,
+ netdev_vport_set_stats,
+ NULL, /* get_features */
+ netdev_internal_get_status);
\f
/* HTB traffic control class. */
max_rate_s = shash_find_data(details, "max-rate");
hc->max_rate = max_rate_s ? strtoull(max_rate_s, NULL, 10) / 8 : 0;
if (!hc->max_rate) {
- uint32_t current;
+ enum netdev_features current;
netdev_get_features(netdev, ¤t, NULL, NULL, NULL);
hc->max_rate = netdev_features_to_bps(current) / 8;
max_rate = max_rate_s ? strtoull(max_rate_s, NULL, 10) / 8 : 0;
if (!max_rate) {
- uint32_t current;
+ enum netdev_features current;
netdev_get_features(netdev, ¤t, NULL, NULL, NULL);
max_rate = netdev_features_to_bps(current) / 8;
}
static int
-get_carrier_via_sysfs(const char *name, bool *carrier)
-{
- char line[8];
- int retval;
-
- int error = 0;
- char *fn = NULL;
- int fd = -1;
-
- *carrier = false;
-
- fn = xasprintf("/sys/class/net/%s/carrier", name);
- fd = open(fn, O_RDONLY);
- if (fd < 0) {
- error = errno;
- VLOG_WARN_RL(&rl, "%s: open failed: %s", fn, strerror(error));
- goto exit;
- }
-
- retval = read(fd, line, sizeof line);
- if (retval < 0) {
- error = errno;
- if (error == EINVAL) {
- /* This is the normal return value when we try to check carrier if
- * the network device is not up. */
- } else {
- VLOG_WARN_RL(&rl, "%s: read failed: %s", fn, strerror(error));
- }
- goto exit;
- } else if (retval == 0) {
- error = EPROTO;
- VLOG_WARN_RL(&rl, "%s: unexpected end of file", fn);
- goto exit;
- }
-
- if (line[0] != '0' && line[0] != '1') {
- error = EPROTO;
- VLOG_WARN_RL(&rl, "%s: value is %c (expected 0 or 1)", fn, line[0]);
- goto exit;
- }
- *carrier = line[0] != '0';
- error = 0;
-
-exit:
- if (fd >= 0) {
- close(fd);
- }
- free(fn);
- return error;
-}
-
-static int
-get_flags(const struct netdev *netdev, int *flags)
+get_flags(const struct netdev_dev *dev, unsigned int *flags)
{
struct ifreq ifr;
int error;
- error = netdev_linux_do_ioctl(netdev_get_name(netdev), &ifr, SIOCGIFFLAGS,
+ *flags = 0;
+ error = netdev_linux_do_ioctl(dev->name, &ifr, SIOCGIFFLAGS,
"SIOCGIFFLAGS");
- *flags = ifr.ifr_flags;
+ if (!error) {
+ *flags = ifr.ifr_flags;
+ }
return error;
}
static int
-set_flags(struct netdev *netdev, int flags)
+set_flags(struct netdev *netdev, unsigned int flags)
{
struct ifreq ifr;
{
struct netdev_dev_linux *netdev_dev =
netdev_dev_linux_cast(netdev_get_dev(netdev_));
- *ifindexp = 0;
+
if (!(netdev_dev->cache_valid & VALID_IFINDEX)) {
int ifindex = do_get_ifindex(netdev_get_name(netdev_));
+
if (ifindex < 0) {
- return -ifindex;
+ netdev_dev->get_ifindex_error = -ifindex;
+ netdev_dev->ifindex = 0;
+ } else {
+ netdev_dev->get_ifindex_error = 0;
+ netdev_dev->ifindex = ifindex;
}
netdev_dev->cache_valid |= VALID_IFINDEX;
- netdev_dev->ifindex = ifindex;
}
+
*ifindexp = netdev_dev->ifindex;
- return 0;
+ return netdev_dev->get_ifindex_error;
}
static int
}
static int
-set_etheraddr(const char *netdev_name, int hwaddr_family,
+set_etheraddr(const char *netdev_name,
const uint8_t mac[ETH_ADDR_LEN])
{
struct ifreq ifr;
memset(&ifr, 0, sizeof ifr);
ovs_strzcpy(ifr.ifr_name, netdev_name, sizeof ifr.ifr_name);
- ifr.ifr_hwaddr.sa_family = hwaddr_family;
+ ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
memcpy(ifr.ifr_hwaddr.sa_data, mac, ETH_ADDR_LEN);
COVERAGE_INC(netdev_set_hwaddr);
if (ioctl(af_inet_sock, SIOCSIFHWADDR, &ifr) < 0) {