github.com/elfadel/cilium@v1.6.12/pkg/bpf/bpf_test.go (about)

     1  // Copyright 2018 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build !privileged_tests
    16  
    17  package bpf
    18  
    19  import (
    20  	. "gopkg.in/check.v1"
    21  )
    22  
    23  func (s *BPFTestSuite) TestDefaultMapFlags(c *C) {
    24  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_LPM_TRIE), Equals, uint32(BPF_F_NO_PREALLOC))
    25  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_ARRAY), Equals, uint32(0))
    26  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_LRU_HASH), Equals, uint32(0))
    27  
    28  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_HASH), Equals, uint32(BPF_F_NO_PREALLOC))
    29  	EnableMapPreAllocation()
    30  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_HASH), Equals, uint32(0))
    31  
    32  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_LPM_TRIE), Equals, uint32(BPF_F_NO_PREALLOC))
    33  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_ARRAY), Equals, uint32(0))
    34  	c.Assert(GetPreAllocateMapFlags(BPF_MAP_TYPE_LRU_HASH), Equals, uint32(0))
    35  }
    36  
    37  func (s *BPFTestSuite) TestPreallocationFlags(c *C) {
    38  	for m := MapType(0); m < MapTypeMaximum; m++ {
    39  		c.Assert(m.allowsPreallocation() || !m.requiresPreallocation(), Equals, true)
    40  	}
    41  }