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test; Parameters for vpp af interface creation read from config file
Signed-off-by: Laszlo Kiraly <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| --- | ||
| interfaces: | ||
| - type: AF_PACKET_V3 | ||
| mode: 1 # 1 Ethernet, 2 IP | ||
| rxFrameSize: 2048 | ||
| txFrameSize: 10240 | ||
| rxFramesPerBlock: 32 | ||
| txFramesPerBlock: 1024 | ||
| # flags: Flags | ||
| numRxQueues: 1 | ||
| numTxQueues: 1 | ||
|
|
||
| - type: AF_PACKET_V2 | ||
| rxFrameSize: 10240 | ||
| txFrameSize: 10240 | ||
| rxFramesPerBlock: 1024 | ||
| txFramesPerBlock: 1024 | ||
| # flags: Flags | ||
| numRxQueues: 1 | ||
|
|
||
| - type: AF_XDP | ||
| rxqSize: 8192 | ||
| txqSize: 8192 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| // Copyright (c) 2024 Nordix Foundation. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at: | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // Package vppcfg provides parsing factilty for configuration parameters | ||
| // file for vpp init | ||
| package vppcfg | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "github.com/pkg/errors" | ||
|
|
||
| "github.com/networkservicemesh/sdk-sriov/pkg/tools/yamlhelper" | ||
| "github.com/networkservicemesh/sdk/pkg/tools/log/logruslogger" | ||
| ) | ||
|
|
||
| // Config contains interfaces | ||
| type Config struct { | ||
| Interfaces []*Resource `yaml:"interfaces"` | ||
| } | ||
|
|
||
| func (c *Config) String() string { | ||
| sb := &strings.Builder{} | ||
| _, _ = sb.WriteString("&{") | ||
|
|
||
| _, _ = sb.WriteString("Interfaces:[") | ||
| var strs []string | ||
| for _, device := range c.Interfaces { | ||
| strs = append(strs, fmt.Sprintf("%+v", device)) | ||
| } | ||
|
|
||
| _, _ = sb.WriteString(strings.Join(strs, " ")) | ||
| _, _ = sb.WriteString("]") | ||
| _, _ = sb.WriteString("}") | ||
| return sb.String() | ||
| } | ||
|
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||
| // Resource contains configuration parameters for an available interface | ||
| type Resource struct { | ||
| Type string `yaml:"type,omitempty"` | ||
| Mode int `yaml:"mode"` | ||
| RxFrameSize uint32 `yaml:"rxFrameSize"` | ||
| TxFrameSize uint32 `yaml:"txFrameSize"` | ||
| RxFramesPerBlock uint32 `yaml:"rxFramesPerBlock"` | ||
| TxFramesPerBlock uint32 `yaml:"txFramesPerBlock"` | ||
| NumRxQueues uint16 `yaml:"numRxQueues"` | ||
| NumTxQueues uint16 `yaml:"numTxQueues"` | ||
| RxqSize uint16 `yaml:"rxqSize"` | ||
| TxqSize uint16 `yaml:"txqSize"` | ||
| } | ||
|
|
||
| func (res *Resource) String() string { | ||
| sb := &strings.Builder{} | ||
| _, _ = sb.WriteString("&{") | ||
|
|
||
| _, _ = sb.WriteString("Type:") | ||
| _, _ = sb.WriteString(res.Type) | ||
|
|
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| _, _ = sb.WriteString("Mode:") | ||
| _, _ = sb.WriteString(strconv.Itoa(res.Mode)) | ||
|
|
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| _, _ = sb.WriteString("RxFrameSize:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.RxFrameSize), 10)) | ||
|
|
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| _, _ = sb.WriteString("TxFrameSize:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.TxFrameSize), 10)) | ||
|
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||
| _, _ = sb.WriteString("RxFramesPerBlock:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.RxFramesPerBlock), 10)) | ||
|
|
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| _, _ = sb.WriteString("TxFramesPerBlock:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.TxFramesPerBlock), 10)) | ||
|
|
||
| _, _ = sb.WriteString("NumRxQueues:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.NumRxQueues), 10)) | ||
|
|
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| _, _ = sb.WriteString("NumTxQueues:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.NumTxQueues), 10)) | ||
|
|
||
| _, _ = sb.WriteString("RxqSize:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.RxqSize), 10)) | ||
|
|
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| _, _ = sb.WriteString("TxqSize:") | ||
| _, _ = sb.WriteString(strconv.FormatUint(uint64(res.TxqSize), 10)) | ||
|
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| _, _ = sb.WriteString("}") | ||
| return sb.String() | ||
| } | ||
|
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| // ReadConfig reads configuration from file | ||
| func ReadConfig(ctx context.Context, configFile string) (*Config, error) { | ||
| logger := logruslogger.New(ctx) | ||
|
|
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| cfg := &Config{} | ||
| if err := yamlhelper.UnmarshalFile(configFile, cfg); err != nil { | ||
| return nil, err | ||
| } | ||
| for _, device := range cfg.Interfaces { | ||
| err := validateResource(device) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| logger.WithField("Config", "ReadConfig").Infof("unmarshalled Config: %+v", cfg) | ||
| return cfg, nil | ||
| } | ||
|
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| func validateResource(res *Resource) error { | ||
| if res == nil { | ||
| return nil | ||
| } | ||
| if res.Type == "" { | ||
| return errors.Errorf("resource type must be set") | ||
| } | ||
| if (res.Type != "AF_PACKET_V3") && (res.Type != "AF_PACKET_V2") && (res.Type != "AF_XDP") { | ||
| return errors.Errorf("unsupported resource type") | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // Copyright (c) 2024 Nordix Foundation. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at: | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package vppcfg_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
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| "github.com/networkservicemesh/cmd-forwarder-vpp/internal/vppinit/vppcfg" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| const ( | ||
| configFileName = "config.yaml" | ||
| type1 = "AF_PACKET_V3" | ||
| type2 = "AF_PACKET_V2" | ||
| type3 = "AF_XDP" | ||
| ) | ||
|
|
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| func TestReadConfigFile(t *testing.T) { | ||
| cfg, err := vppcfg.ReadConfig(context.Background(), configFileName) | ||
| require.NoError(t, err) | ||
| require.Equal(t, &vppcfg.Config{ | ||
| Interfaces: []*vppcfg.Resource{ | ||
| { | ||
| Type: type1, | ||
| Mode: 1, | ||
| RxFrameSize: 2048, | ||
| TxFrameSize: 10240, | ||
| RxFramesPerBlock: 32, | ||
| TxFramesPerBlock: 1024, | ||
| NumRxQueues: 1, | ||
| NumTxQueues: 1, | ||
| }, | ||
| { | ||
| Type: type2, | ||
| RxFrameSize: 10240, | ||
| TxFrameSize: 10240, | ||
| RxFramesPerBlock: 1024, | ||
| TxFramesPerBlock: 1024, | ||
| NumRxQueues: 1, | ||
| }, | ||
| { | ||
| Type: type3, | ||
| Mode: 0, | ||
| RxqSize: 8192, | ||
| TxqSize: 8192, | ||
| }, | ||
| }, | ||
| }, cfg) | ||
| } |
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