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VF stats struct and deserialization method added. VfStats now reported in the VfInfo struct

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Co-authored-by: PatrickKutch <patrick.kutch@gmail.com>
This commit is contained in:
root 2020-07-29 12:25:00 +01:00 committed by Vish (Ishaya) Abrams
parent abd6d09710
commit e30b76407c
3 changed files with 86 additions and 1 deletions
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11
link.go
View File

@ -65,6 +65,17 @@ type VfInfo struct {
LinkState uint32
MaxTxRate uint32 // IFLA_VF_RATE Max TxRate
MinTxRate uint32 // IFLA_VF_RATE Min TxRate
RxPackets uint64
TxPackets uint64
RxBytes uint64
TxBytes uint64
Multicast uint64
Broadcast uint64
RxDropped uint64
TxDropped uint64
RssQuery uint32
Trust uint32
}
// LinkOperState represents the values of the IFLA_OPERSTATE link

17
link_linux.go
View File

@ -2996,6 +2996,23 @@ func parseVfInfo(data []syscall.NetlinkRouteAttr, id int) VfInfo {
vfr := nl.DeserializeVfRate(element.Value[:])
vf.MaxTxRate = vfr.MaxTxRate
vf.MinTxRate = vfr.MinTxRate
case nl.IFLA_VF_STATS:
vfstats := nl.DeserializeVfStats(element.Value[:])
vf.RxPackets = vfstats.RxPackets
vf.TxPackets = vfstats.TxPackets
vf.RxBytes = vfstats.RxBytes
vf.Multicast = vfstats.Multicast
vf.Broadcast = vfstats.Broadcast
vf.RxDropped = vfstats.RxDropped
vf.TxDropped = vfstats.TxDropped
case nl.IFLA_VF_RSS_QUERY_EN:
result := nl.DeserializeVfRssQueryEn(element.Value)
vf.RssQuery = result.Setting
case nl.IFLA_VF_TRUST:
result := nl.DeserializeVfTrust(element.Value)
vf.Trust = result.Setting
}
}
return vf

59
nl/link_linux.go
View File

@ -1,6 +1,8 @@
package nl
import (
"bytes"
"encoding/binary"
"unsafe"
)
@ -243,7 +245,9 @@ const (
IFLA_VF_STATS_TX_BYTES
IFLA_VF_STATS_BROADCAST
IFLA_VF_STATS_MULTICAST
IFLA_VF_STATS_MAX = IFLA_VF_STATS_MULTICAST
IFLA_VF_STATS_RX_DROPPED
IFLA_VF_STATS_TX_DROPPED
IFLA_VF_STATS_MAX = IFLA_VF_STATS_TX_DROPPED
)
const (
@ -326,6 +330,59 @@ func (msg *VfTxRate) Serialize() []byte {
return (*(*[SizeofVfTxRate]byte)(unsafe.Pointer(msg)))[:]
}
//struct ifla_vf_stats {
// __u64 rx_packets;
// __u64 tx_packets;
// __u64 rx_bytes;
// __u64 tx_bytes;
// __u64 broadcast;
// __u64 multicast;
//};
type VfStats struct {
RxPackets uint64
TxPackets uint64
RxBytes uint64
TxBytes uint64
Multicast uint64
Broadcast uint64
RxDropped uint64
TxDropped uint64
}
func DeserializeVfStats(b []byte) VfStats {
var vfstat VfStats
stats, err := ParseRouteAttr(b)
if err != nil {
return vfstat
}
var valueVar uint64
for _, stat := range stats {
if err := binary.Read(bytes.NewBuffer(stat.Value), NativeEndian(), &valueVar); err != nil {
break
}
switch stat.Attr.Type {
case IFLA_VF_STATS_RX_PACKETS:
vfstat.RxPackets = valueVar
case IFLA_VF_STATS_TX_PACKETS:
vfstat.TxPackets = valueVar
case IFLA_VF_STATS_RX_BYTES:
vfstat.RxBytes = valueVar
case IFLA_VF_STATS_TX_BYTES:
vfstat.TxBytes = valueVar
case IFLA_VF_STATS_MULTICAST:
vfstat.Multicast = valueVar
case IFLA_VF_STATS_BROADCAST:
vfstat.Broadcast = valueVar
case IFLA_VF_STATS_RX_DROPPED:
vfstat.RxDropped = valueVar
case IFLA_VF_STATS_TX_DROPPED:
vfstat.TxDropped = valueVar
}
}
return vfstat
}
// struct ifla_vf_rate {
// __u32 vf;
// __u32 min_tx_rate; /* Min Bandwidth in Mbps */