From 473acc61c8392dc7ae303d91568e179c4f105a76 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 Jul 2019 12:12:53 +0200 Subject: add black list --- vendor/golang.org/x/net/bpf/constants.go | 218 ------------------------------- 1 file changed, 218 deletions(-) delete mode 100644 vendor/golang.org/x/net/bpf/constants.go (limited to 'vendor/golang.org/x/net/bpf/constants.go') diff --git a/vendor/golang.org/x/net/bpf/constants.go b/vendor/golang.org/x/net/bpf/constants.go deleted file mode 100644 index b89ca35..0000000 --- a/vendor/golang.org/x/net/bpf/constants.go +++ /dev/null @@ -1,218 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package bpf - -// A Register is a register of the BPF virtual machine. -type Register uint16 - -const ( - // RegA is the accumulator register. RegA is always the - // destination register of ALU operations. - RegA Register = iota - // RegX is the indirection register, used by LoadIndirect - // operations. - RegX -) - -// An ALUOp is an arithmetic or logic operation. -type ALUOp uint16 - -// ALU binary operation types. -const ( - ALUOpAdd ALUOp = iota << 4 - ALUOpSub - ALUOpMul - ALUOpDiv - ALUOpOr - ALUOpAnd - ALUOpShiftLeft - ALUOpShiftRight - aluOpNeg // Not exported because it's the only unary ALU operation, and gets its own instruction type. - ALUOpMod - ALUOpXor -) - -// A JumpTest is a comparison operator used in conditional jumps. -type JumpTest uint16 - -// Supported operators for conditional jumps. -const ( - // K == A - JumpEqual JumpTest = iota - // K != A - JumpNotEqual - // K > A - JumpGreaterThan - // K < A - JumpLessThan - // K >= A - JumpGreaterOrEqual - // K <= A - JumpLessOrEqual - // K & A != 0 - JumpBitsSet - // K & A == 0 - JumpBitsNotSet -) - -// An Extension is a function call provided by the kernel that -// performs advanced operations that are expensive or impossible -// within the BPF virtual machine. -// -// Extensions are only implemented by the Linux kernel. -// -// TODO: should we prune this list? Some of these extensions seem -// either broken or near-impossible to use correctly, whereas other -// (len, random, ifindex) are quite useful. -type Extension int - -// Extension functions available in the Linux kernel. -const ( - // extOffset is the negative maximum number of instructions used - // to load instructions by overloading the K argument. - extOffset = -0x1000 - // ExtLen returns the length of the packet. - ExtLen Extension = 1 - // ExtProto returns the packet's L3 protocol type. - ExtProto Extension = 0 - // ExtType returns the packet's type (skb->pkt_type in the kernel) - // - // TODO: better documentation. How nice an API do we want to - // provide for these esoteric extensions? - ExtType Extension = 4 - // ExtPayloadOffset returns the offset of the packet payload, or - // the first protocol header that the kernel does not know how to - // parse. - ExtPayloadOffset Extension = 52 - // ExtInterfaceIndex returns the index of the interface on which - // the packet was received. - ExtInterfaceIndex Extension = 8 - // ExtNetlinkAttr returns the netlink attribute of type X at - // offset A. - ExtNetlinkAttr Extension = 12 - // ExtNetlinkAttrNested returns the nested netlink attribute of - // type X at offset A. - ExtNetlinkAttrNested Extension = 16 - // ExtMark returns the packet's mark value. - ExtMark Extension = 20 - // ExtQueue returns the packet's assigned hardware queue. - ExtQueue Extension = 24 - // ExtLinkLayerType returns the packet's hardware address type - // (e.g. Ethernet, Infiniband). - ExtLinkLayerType Extension = 28 - // ExtRXHash returns the packets receive hash. - // - // TODO: figure out what this rxhash actually is. - ExtRXHash Extension = 32 - // ExtCPUID returns the ID of the CPU processing the current - // packet. - ExtCPUID Extension = 36 - // ExtVLANTag returns the packet's VLAN tag. - ExtVLANTag Extension = 44 - // ExtVLANTagPresent returns non-zero if the packet has a VLAN - // tag. - // - // TODO: I think this might be a lie: it reads bit 0x1000 of the - // VLAN header, which changed meaning in recent revisions of the - // spec - this extension may now return meaningless information. - ExtVLANTagPresent Extension = 48 - // ExtVLANProto returns 0x8100 if the frame has a VLAN header, - // 0x88a8 if the frame has a "Q-in-Q" double VLAN header, or some - // other value if no VLAN information is present. - ExtVLANProto Extension = 60 - // ExtRand returns a uniformly random uint32. - ExtRand Extension = 56 -) - -// The following gives names to various bit patterns used in opcode construction. - -const ( - opMaskCls uint16 = 0x7 - // opClsLoad masks - opMaskLoadDest = 0x01 - opMaskLoadWidth = 0x18 - opMaskLoadMode = 0xe0 - // opClsALU - opMaskOperandSrc = 0x08 - opMaskOperator = 0xf0 - // opClsJump - opMaskJumpConst = 0x0f - opMaskJumpCond = 0xf0 -) - -const ( - // +---------------+-----------------+---+---+---+ - // | AddrMode (3b) | LoadWidth (2b) | 0 | 0 | 0 | - // +---------------+-----------------+---+---+---+ - opClsLoadA uint16 = iota - // +---------------+-----------------+---+---+---+ - // | AddrMode (3b) | LoadWidth (2b) | 0 | 0 | 1 | - // +---------------+-----------------+---+---+---+ - opClsLoadX - // +---+---+---+---+---+---+---+---+ - // | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | - // +---+---+---+---+---+---+---+---+ - opClsStoreA - // +---+---+---+---+---+---+---+---+ - // | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | - // +---+---+---+---+---+---+---+---+ - opClsStoreX - // +---------------+-----------------+---+---+---+ - // | Operator (4b) | OperandSrc (1b) | 1 | 0 | 0 | - // +---------------+-----------------+---+---+---+ - opClsALU - // +-----------------------------+---+---+---+---+ - // | TestOperator (4b) | 0 | 1 | 0 | 1 | - // +-----------------------------+---+---+---+---+ - opClsJump - // +---+-------------------------+---+---+---+---+ - // | 0 | 0 | 0 | RetSrc (1b) | 0 | 1 | 1 | 0 | - // +---+-------------------------+---+---+---+---+ - opClsReturn - // +---+-------------------------+---+---+---+---+ - // | 0 | 0 | 0 | TXAorTAX (1b) | 0 | 1 | 1 | 1 | - // +---+-------------------------+---+---+---+---+ - opClsMisc -) - -const ( - opAddrModeImmediate uint16 = iota << 5 - opAddrModeAbsolute - opAddrModeIndirect - opAddrModeScratch - opAddrModePacketLen // actually an extension, not an addressing mode. - opAddrModeMemShift -) - -const ( - opLoadWidth4 uint16 = iota << 3 - opLoadWidth2 - opLoadWidth1 -) - -// Operator defined by ALUOp* - -const ( - opALUSrcConstant uint16 = iota << 3 - opALUSrcX -) - -const ( - opJumpAlways = iota << 4 - opJumpEqual - opJumpGT - opJumpGE - opJumpSet -) - -const ( - opRetSrcConstant uint16 = iota << 4 - opRetSrcA -) - -const ( - opMiscTAX = 0x00 - opMiscTXA = 0x80 -) -- cgit v1.2.3