From: Christoph Hellwig <hch@lst.de>
To: Jonathan Corbet <corbet@lwn.net>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
linux-doc@vger.kernel.org, netdev@vger.kernel.org,
bpf@vger.kernel.org
Subject: [PATCH 6/6] bpf, docs: Fully document the JMP mode modifiers
Date: Mon, 3 Jan 2022 19:35:56 +0100 [thread overview]
Message-ID: <20220103183556.41040-7-hch@lst.de> (raw)
In-Reply-To: <20220103183556.41040-1-hch@lst.de>
Add a description for all the modifiers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
Documentation/bpf/instruction-set.rst | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/Documentation/bpf/instruction-set.rst b/Documentation/bpf/instruction-set.rst
index 88e8d6a9195cd..3704836fe6df6 100644
--- a/Documentation/bpf/instruction-set.rst
+++ b/Documentation/bpf/instruction-set.rst
@@ -173,15 +173,15 @@ The size modifier is one of:
The mode modifier is one of:
- ============= ===== =====================
+ ============= ===== ====================================
mode modifier value description
- ============= ===== =====================
+ ============= ===== ====================================
BPF_IMM 0x00 used for 64-bit mov
- BPF_ABS 0x20
- BPF_IND 0x40
- BPF_MEM 0x60
+ BPF_ABS 0x20 legacy BPF packet access
+ BPF_IND 0x40 legacy BPF packet access
+ BPF_MEM 0x60 all normal load and store operations
BPF_ATOMIC 0xc0 atomic operations
- ============= ===== =====================
+ ============= ===== ====================================
BPF_MEM | <size> | BPF_STX means::
--
2.30.2
next prev parent reply other threads:[~2022-01-03 18:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-03 18:35 more eBPF instruction set documentation improvements Christoph Hellwig
2022-01-03 18:35 ` [PATCH 1/6] bpf, docs: Add a setion to explain the basic instruction encoding Christoph Hellwig
2022-01-03 18:35 ` [PATCH 2/6] bpf, docs: Add subsections for ALU and JMP instructions Christoph Hellwig
2022-01-03 18:35 ` [PATCH 3/6] bpf, docs: Document the opcode classes Christoph Hellwig
2022-01-03 18:35 ` [PATCH 4/6] bpf, docs: Fully document the ALU opcodes Christoph Hellwig
2022-01-03 18:35 ` [PATCH 5/6] bpf, docs: Fully document the JMP opcodes Christoph Hellwig
2022-01-03 18:35 ` Christoph Hellwig [this message]
2022-01-05 21:14 ` more eBPF instruction set documentation improvements Alexei Starovoitov
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