VALID_POLICING = 1 << 5,
VALID_VPORT_STAT_ERROR = 1 << 6,
VALID_DRVINFO = 1 << 7,
+ VALID_FEATURES = 1 << 8,
};
struct tap_state {
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;
/* 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->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);
}
return netdev_dev->vport_stats_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)
+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 |= NETDEV_F_10MB_HD;
+ netdev_dev->supported |= NETDEV_F_10MB_HD;
}
if (ecmd.supported & SUPPORTED_10baseT_Full) {
- *supported |= NETDEV_F_10MB_FD;
+ netdev_dev->supported |= NETDEV_F_10MB_FD;
}
if (ecmd.supported & SUPPORTED_100baseT_Half) {
- *supported |= NETDEV_F_100MB_HD;
+ netdev_dev->supported |= NETDEV_F_100MB_HD;
}
if (ecmd.supported & SUPPORTED_100baseT_Full) {
- *supported |= NETDEV_F_100MB_FD;
+ netdev_dev->supported |= NETDEV_F_100MB_FD;
}
if (ecmd.supported & SUPPORTED_1000baseT_Half) {
- *supported |= NETDEV_F_1GB_HD;
+ netdev_dev->supported |= NETDEV_F_1GB_HD;
}
if (ecmd.supported & SUPPORTED_1000baseT_Full) {
- *supported |= NETDEV_F_1GB_FD;
+ netdev_dev->supported |= NETDEV_F_1GB_FD;
}
if (ecmd.supported & SUPPORTED_10000baseT_Full) {
- *supported |= NETDEV_F_10GB_FD;
+ netdev_dev->supported |= NETDEV_F_10GB_FD;
}
if (ecmd.supported & SUPPORTED_TP) {
- *supported |= NETDEV_F_COPPER;
+ netdev_dev->supported |= NETDEV_F_COPPER;
}
if (ecmd.supported & SUPPORTED_FIBRE) {
- *supported |= NETDEV_F_FIBER;
+ netdev_dev->supported |= NETDEV_F_FIBER;
}
if (ecmd.supported & SUPPORTED_Autoneg) {
- *supported |= NETDEV_F_AUTONEG;
+ netdev_dev->supported |= NETDEV_F_AUTONEG;
}
if (ecmd.supported & SUPPORTED_Pause) {
- *supported |= NETDEV_F_PAUSE;
+ netdev_dev->supported |= NETDEV_F_PAUSE;
}
if (ecmd.supported & SUPPORTED_Asym_Pause) {
- *supported |= NETDEV_F_PAUSE_ASYM;
+ netdev_dev->supported |= NETDEV_F_PAUSE_ASYM;
}
/* Advertised features. */
- *advertised = 0;
+ netdev_dev->advertised = 0;
if (ecmd.advertising & ADVERTISED_10baseT_Half) {
- *advertised |= NETDEV_F_10MB_HD;
+ netdev_dev->advertised |= NETDEV_F_10MB_HD;
}
if (ecmd.advertising & ADVERTISED_10baseT_Full) {
- *advertised |= NETDEV_F_10MB_FD;
+ netdev_dev->advertised |= NETDEV_F_10MB_FD;
}
if (ecmd.advertising & ADVERTISED_100baseT_Half) {
- *advertised |= NETDEV_F_100MB_HD;
+ netdev_dev->advertised |= NETDEV_F_100MB_HD;
}
if (ecmd.advertising & ADVERTISED_100baseT_Full) {
- *advertised |= NETDEV_F_100MB_FD;
+ netdev_dev->advertised |= NETDEV_F_100MB_FD;
}
if (ecmd.advertising & ADVERTISED_1000baseT_Half) {
- *advertised |= NETDEV_F_1GB_HD;
+ netdev_dev->advertised |= NETDEV_F_1GB_HD;
}
if (ecmd.advertising & ADVERTISED_1000baseT_Full) {
- *advertised |= NETDEV_F_1GB_FD;
+ netdev_dev->advertised |= NETDEV_F_1GB_FD;
}
if (ecmd.advertising & ADVERTISED_10000baseT_Full) {
- *advertised |= NETDEV_F_10GB_FD;
+ netdev_dev->advertised |= NETDEV_F_10GB_FD;
}
if (ecmd.advertising & ADVERTISED_TP) {
- *advertised |= NETDEV_F_COPPER;
+ netdev_dev->advertised |= NETDEV_F_COPPER;
}
if (ecmd.advertising & ADVERTISED_FIBRE) {
- *advertised |= NETDEV_F_FIBER;
+ netdev_dev->advertised |= NETDEV_F_FIBER;
}
if (ecmd.advertising & ADVERTISED_Autoneg) {
- *advertised |= NETDEV_F_AUTONEG;
+ netdev_dev->advertised |= NETDEV_F_AUTONEG;
}
if (ecmd.advertising & ADVERTISED_Pause) {
- *advertised |= NETDEV_F_PAUSE;
+ netdev_dev->advertised |= NETDEV_F_PAUSE;
}
if (ecmd.advertising & ADVERTISED_Asym_Pause) {
- *advertised |= NETDEV_F_PAUSE_ASYM;
+ netdev_dev->advertised |= NETDEV_F_PAUSE_ASYM;
}
/* Current settings. */
speed = ecmd.speed;
if (speed == SPEED_10) {
- *current = ecmd.duplex ? NETDEV_F_10MB_FD : NETDEV_F_10MB_HD;
+ netdev_dev->current = ecmd.duplex ? NETDEV_F_10MB_FD : NETDEV_F_10MB_HD;
} else if (speed == SPEED_100) {
- *current = ecmd.duplex ? NETDEV_F_100MB_FD : NETDEV_F_100MB_HD;
+ netdev_dev->current = ecmd.duplex ? NETDEV_F_100MB_FD : NETDEV_F_100MB_HD;
} else if (speed == SPEED_1000) {
- *current = ecmd.duplex ? NETDEV_F_1GB_FD : NETDEV_F_1GB_HD;
+ netdev_dev->current = ecmd.duplex ? NETDEV_F_1GB_FD : NETDEV_F_1GB_HD;
} else if (speed == SPEED_10000) {
- *current = NETDEV_F_10GB_FD;
+ netdev_dev->current = NETDEV_F_10GB_FD;
} else if (speed == 40000) {
- *current = NETDEV_F_40GB_FD;
+ netdev_dev->current = NETDEV_F_40GB_FD;
} else if (speed == 100000) {
- *current = NETDEV_F_100GB_FD;
+ netdev_dev->current = NETDEV_F_100GB_FD;
} else if (speed == 1000000) {
- *current = NETDEV_F_1TB_FD;
+ netdev_dev->current = NETDEV_F_1TB_FD;
} else {
- *current = 0;
+ netdev_dev->current = 0;
}
if (ecmd.port == PORT_TP) {
- *current |= NETDEV_F_COPPER;
+ netdev_dev->current |= NETDEV_F_COPPER;
} else if (ecmd.port == PORT_FIBRE) {
- *current |= NETDEV_F_FIBER;
+ netdev_dev->current |= NETDEV_F_FIBER;
}
if (ecmd.autoneg) {
- *current |= NETDEV_F_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'. */
: !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);
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);
}
#define NETDEV_LINUX_CLASS(NAME, CREATE, GET_STATS, SET_STATS, \
- GET_STATUS) \
+ 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_create,
netdev_linux_get_stats,
NULL, /* set_stats */
+ netdev_linux_get_features,
netdev_linux_get_status);
const struct netdev_class netdev_tap_class =
netdev_linux_create_tap,
netdev_tap_get_stats,
NULL, /* set_stats */
+ netdev_linux_get_features,
netdev_linux_get_status);
const struct netdev_class netdev_internal_class =
netdev_linux_create,
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;
{
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
git://git.onelab.eu / sliver-openvswitch.git / blobdiff