diff mbox series

[bpf-next,v2,4/7] tools: bpftool: update and synchronise option list in doc and help msg

Message ID 20210730215435.7095-5-quentin@isovalent.com (mailing list archive)
State Accepted
Commit c07ba629df97b796ca7bbdfbf4748266ead27745
Delegated to: BPF
Headers show
Series tools: bpftool: update, synchronise and validate types and options | expand

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Commit Message

Quentin Monnet July 30, 2021, 9:54 p.m. UTC 
All bpftool commands support the options for JSON output and debug from
libbpf. In addition, some commands support additional options
corresponding to specific use cases.

The list of options described in the man pages for the different
commands are not always accurate. The messages for interactive help are
mostly limited to HELP_SPEC_OPTIONS, and are even less representative of
the actual set of options supported for the commands.

Let's update the lists:

- HELP_SPEC_OPTIONS is modified to contain the "default" options (JSON
  and debug), and to be extensible (no ending curly bracket).
- All commands use HELP_SPEC_OPTIONS in their help message, and then
  complete the list with their specific options.
- The lists of options in the man pages are updated.
- The formatting of the list for bpftool.rst is adjusted to match
  formatting for the other man pages. This is for consistency, and also
  because it will be helpful in a future patch to automatically check
  that the files are synchronised.

Signed-off-by: Quentin Monnet <quentin@isovalent.com>
---
 tools/bpf/bpftool/Documentation/bpftool-btf.rst      |  2 +-
 tools/bpf/bpftool/Documentation/bpftool-cgroup.rst   |  3 ++-
 tools/bpf/bpftool/Documentation/bpftool-feature.rst  |  2 +-
 tools/bpf/bpftool/Documentation/bpftool-gen.rst      |  2 +-
 tools/bpf/bpftool/Documentation/bpftool-iter.rst     |  2 ++
 tools/bpf/bpftool/Documentation/bpftool-link.rst     |  3 ++-
 tools/bpf/bpftool/Documentation/bpftool-map.rst      |  3 ++-
 tools/bpf/bpftool/Documentation/bpftool-net.rst      |  2 +-
 tools/bpf/bpftool/Documentation/bpftool-perf.rst     |  2 +-
 tools/bpf/bpftool/Documentation/bpftool-prog.rst     |  3 ++-
 .../bpf/bpftool/Documentation/bpftool-struct_ops.rst |  2 +-
 tools/bpf/bpftool/Documentation/bpftool.rst          | 12 ++++++------
 tools/bpf/bpftool/btf.c                              |  2 +-
 tools/bpf/bpftool/cgroup.c                           |  3 ++-
 tools/bpf/bpftool/feature.c                          |  1 +
 tools/bpf/bpftool/gen.c                              |  2 +-
 tools/bpf/bpftool/iter.c                             |  2 ++
 tools/bpf/bpftool/link.c                             |  3 ++-
 tools/bpf/bpftool/main.c                             |  3 ++-
 tools/bpf/bpftool/main.h                             |  3 +--
 tools/bpf/bpftool/map.c                              |  5 +++--
 tools/bpf/bpftool/net.c                              |  1 +
 tools/bpf/bpftool/perf.c                             |  5 ++++-
 tools/bpf/bpftool/prog.c                             |  3 ++-
 tools/bpf/bpftool/struct_ops.c                       |  2 +-
 25 files changed, 45 insertions(+), 28 deletions(-)
diff mbox series

Patch

diff --git a/tools/bpf/bpftool/Documentation/bpftool-btf.rst b/tools/bpf/bpftool/Documentation/bpftool-btf.rst
index ff4d327a582e..1d37f3809842 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-btf.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-btf.rst
@@ -12,7 +12,7 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **btf** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | {**-d** | **--debug** } }
 
 	*COMMANDS* := { **dump** | **help** }
 
diff --git a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
index baee8591ac76..3e4395eede4f 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
@@ -12,7 +12,8 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **cgroup** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } |
+		{ **-f** | **--bpffs** } }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **tree** | **attach** | **detach** | **help** }
diff --git a/tools/bpf/bpftool/Documentation/bpftool-feature.rst b/tools/bpf/bpftool/Documentation/bpftool-feature.rst
index dd3771bdbc57..ab9f57ee4c3a 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-feature.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-feature.rst
@@ -12,7 +12,7 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **feature** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
 
 	*COMMANDS* := { **probe** | **help** }
 
diff --git a/tools/bpf/bpftool/Documentation/bpftool-gen.rst b/tools/bpf/bpftool/Documentation/bpftool-gen.rst
index 7cd6681137f3..709b93fe1da3 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-gen.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-gen.rst
@@ -12,7 +12,7 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **gen** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
 
 	*COMMAND* := { **object** | **skeleton** | **help** }
 
diff --git a/tools/bpf/bpftool/Documentation/bpftool-iter.rst b/tools/bpf/bpftool/Documentation/bpftool-iter.rst
index 51f49bead619..471f363a725a 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-iter.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-iter.rst
@@ -12,6 +12,8 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **iter** *COMMAND*
 
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
+
 	*COMMANDS* := { **pin** | **help** }
 
 ITER COMMANDS
diff --git a/tools/bpf/bpftool/Documentation/bpftool-link.rst b/tools/bpf/bpftool/Documentation/bpftool-link.rst
index 5f7db2a837cc..0de90f086238 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-link.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-link.rst
@@ -12,7 +12,8 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **link** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } |
+		{ **-f** | **--bpffs** } | { **-n** | **--nomount** } }
 
 	*COMMANDS* := { **show** | **list** | **pin** | **help** }
 
diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst
index 3d52256ba75f..d0c4abe08aba 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-map.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst
@@ -12,7 +12,8 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **map** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } |
+		{ **-f** | **--bpffs** } | { **-n** | **--nomount** } }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **create** | **dump** | **update** | **lookup** | **getnext**
diff --git a/tools/bpf/bpftool/Documentation/bpftool-net.rst b/tools/bpf/bpftool/Documentation/bpftool-net.rst
index d8165d530937..1ae0375e8fea 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-net.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-net.rst
@@ -12,7 +12,7 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **net** *COMMAND*
 
-	*OPTIONS* := { [{ **-j** | **--json** }] [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **attach** | **detach** | **help** }
diff --git a/tools/bpf/bpftool/Documentation/bpftool-perf.rst b/tools/bpf/bpftool/Documentation/bpftool-perf.rst
index e958ce91de72..ce52798a917d 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-perf.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-perf.rst
@@ -12,7 +12,7 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **perf** *COMMAND*
 
-	*OPTIONS* := { [{ **-j** | **--json** }] [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **help** }
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index abf5f4cd7d3e..4b8412fe2c60 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -12,7 +12,8 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **prog** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } |
+		{ **-f** | **--bpffs** } | { **-m** | **--mapcompat** } | { **-n** | **--nomount** } }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **dump xlated** | **dump jited** | **pin** | **load**
diff --git a/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst b/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst
index 506e70ee78e9..02afc0fc14cb 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst
@@ -12,7 +12,7 @@  SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **struct_ops** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **dump** | **register** | **unregister** | **help** }
diff --git a/tools/bpf/bpftool/Documentation/bpftool.rst b/tools/bpf/bpftool/Documentation/bpftool.rst
index e7d949334961..bb23f55bb05a 100644
--- a/tools/bpf/bpftool/Documentation/bpftool.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool.rst
@@ -18,15 +18,15 @@  SYNOPSIS
 
 	*OBJECT* := { **map** | **program** | **cgroup** | **perf** | **net** | **feature** }
 
-	*OPTIONS* := { { **-V** | **--version** } | { **-h** | **--help** }
-	| { **-j** | **--json** } [{ **-p** | **--pretty** }] }
+	*OPTIONS* := { { **-V** | **--version** } |
+		{ **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } }
 
 	*MAP-COMMANDS* :=
-	{ **show** | **list** | **create** | **dump** | **update** | **lookup** | **getnext**
-	| **delete** | **pin** | **event_pipe** | **help** }
+	{ **show** | **list** | **create** | **dump** | **update** | **lookup** | **getnext** |
+		**delete** | **pin** | **event_pipe** | **help** }
 
-	*PROG-COMMANDS* := { **show** | **list** | **dump jited** | **dump xlated** | **pin**
-	| **load** | **attach** | **detach** | **help** }
+	*PROG-COMMANDS* := { **show** | **list** | **dump jited** | **dump xlated** | **pin** |
+		**load** | **attach** | **detach** | **help** }
 
 	*CGROUP-COMMANDS* := { **show** | **list** | **attach** | **detach** | **help** }
 
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 0ce3643278d4..3c5fc9b25c30 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -981,7 +981,7 @@  static int do_help(int argc, char **argv)
 		"       FORMAT  := { raw | c }\n"
 		"       " HELP_SPEC_MAP "\n"
 		"       " HELP_SPEC_PROGRAM "\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"",
 		bin_name, "btf");
 
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index 6e53b1d393f4..c42f437a1015 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -501,7 +501,8 @@  static int do_help(int argc, char **argv)
 		HELP_SPEC_ATTACH_TYPES "\n"
 		"       " HELP_SPEC_ATTACH_FLAGS "\n"
 		"       " HELP_SPEC_PROGRAM "\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"       " HELP_SPEC_OPTIONS " |\n"
+		"                    {-f|--bpffs} }
 		"",
 		bin_name, argv[-2]);
 
diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
index 40a88df275f9..7f36385aa9e2 100644
--- a/tools/bpf/bpftool/feature.c
+++ b/tools/bpf/bpftool/feature.c
@@ -1005,6 +1005,7 @@  static int do_help(int argc, char **argv)
 		"       %1$s %2$s help\n"
 		"\n"
 		"       COMPONENT := { kernel | dev NAME }\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"",
 		bin_name, argv[-2]);
 
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 1d71ff8c52fa..d4225f7fbcee 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -1026,7 +1026,7 @@  static int do_help(int argc, char **argv)
 		"       %1$s %2$s skeleton FILE [name OBJECT_NAME]\n"
 		"       %1$s %2$s help\n"
 		"\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"",
 		bin_name, "gen");
 
diff --git a/tools/bpf/bpftool/iter.c b/tools/bpf/bpftool/iter.c
index 3b1aad7535dd..84a9b01d956d 100644
--- a/tools/bpf/bpftool/iter.c
+++ b/tools/bpf/bpftool/iter.c
@@ -97,7 +97,9 @@  static int do_help(int argc, char **argv)
 	fprintf(stderr,
 		"Usage: %1$s %2$s pin OBJ PATH [map MAP]\n"
 		"       %1$s %2$s help\n"
+		"\n"
 		"       " HELP_SPEC_MAP "\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"",
 		bin_name, "iter");
 
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index e77e1525d20a..8cc3e36f8cc6 100644
--- a/tools/bpf/bpftool/link.c
+++ b/tools/bpf/bpftool/link.c
@@ -401,7 +401,8 @@  static int do_help(int argc, char **argv)
 		"       %1$s %2$s help\n"
 		"\n"
 		"       " HELP_SPEC_LINK "\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"       " HELP_SPEC_OPTIONS " |\n"
+		"                    {-f|--bpffs} | {-n|--nomount} }\n"
 		"",
 		bin_name, argv[-2]);
 
diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 3ddfd4843738..02eaaf065f65 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -64,7 +64,8 @@  static int do_help(int argc, char **argv)
 		"       %s version\n"
 		"\n"
 		"       OBJECT := { prog | map | link | cgroup | perf | net | feature | btf | gen | struct_ops | iter }\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"       " HELP_SPEC_OPTIONS " |\n"
+		"                    {-V|--version} }\n"
 		"",
 		bin_name, bin_name, bin_name);
 
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index c1cf29798b99..90caa42aac4c 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -57,8 +57,7 @@  static inline void *u64_to_ptr(__u64 ptr)
 #define HELP_SPEC_PROGRAM						\
 	"PROG := { id PROG_ID | pinned FILE | tag PROG_TAG | name PROG_NAME }"
 #define HELP_SPEC_OPTIONS						\
-	"OPTIONS := { {-j|--json} [{-p|--pretty}] | {-f|--bpffs} |\n"	\
-	"\t            {-m|--mapcompat} | {-n|--nomount} }"
+	"OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug}"
 #define HELP_SPEC_MAP							\
 	"MAP := { id MAP_ID | pinned FILE | name MAP_NAME }"
 #define HELP_SPEC_LINK							\
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 7e7f748bb0be..407071d54ab1 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -1466,8 +1466,9 @@  static int do_help(int argc, char **argv)
 		"                 devmap | devmap_hash | sockmap | cpumap | xskmap | sockhash |\n"
 		"                 cgroup_storage | reuseport_sockarray | percpu_cgroup_storage |\n"
 		"                 queue | stack | sk_storage | struct_ops | ringbuf | inode_storage |\n"
-		"		  task_storage }\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"                 task_storage }\n"
+		"       " HELP_SPEC_OPTIONS " |\n"
+		"                    {-f|--bpffs} | {-n|--nomount} }\n"
 		"",
 		bin_name, argv[-2]);
 
diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c
index f836d115d7d6..649053704bd7 100644
--- a/tools/bpf/bpftool/net.c
+++ b/tools/bpf/bpftool/net.c
@@ -729,6 +729,7 @@  static int do_help(int argc, char **argv)
 		"\n"
 		"       " HELP_SPEC_PROGRAM "\n"
 		"       ATTACH_TYPE := { xdp | xdpgeneric | xdpdrv | xdpoffload }\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"\n"
 		"Note: Only xdp and tc attachments are supported now.\n"
 		"      For progs attached to cgroups, use \"bpftool cgroup\"\n"
diff --git a/tools/bpf/bpftool/perf.c b/tools/bpf/bpftool/perf.c
index ad23934819c7..50de087b0db7 100644
--- a/tools/bpf/bpftool/perf.c
+++ b/tools/bpf/bpftool/perf.c
@@ -231,7 +231,10 @@  static int do_show(int argc, char **argv)
 static int do_help(int argc, char **argv)
 {
 	fprintf(stderr,
-		"Usage: %1$s %2$s { show | list | help }\n"
+		"Usage: %1$s %2$s { show | list }\n"
+		"       %1$s %2$s help }\n"
+		"\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"",
 		bin_name, argv[-2]);
 
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index d98cfc973a1d..a205f7124b38 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -2259,7 +2259,8 @@  static int do_help(int argc, char **argv)
 		"       ATTACH_TYPE := { msg_verdict | skb_verdict | stream_verdict |\n"
 		"                        stream_parser | flow_dissector }\n"
 		"       METRIC := { cycles | instructions | l1d_loads | llc_misses | itlb_misses | dtlb_misses }\n"
-		"       " HELP_SPEC_OPTIONS "\n"
+		"       " HELP_SPEC_OPTIONS " |\n"
+		"                    {-f|--bpffs} | {-m|--mapcompat} | {-n|--nomount} }\n"
 		"",
 		bin_name, argv[-2]);
 
diff --git a/tools/bpf/bpftool/struct_ops.c b/tools/bpf/bpftool/struct_ops.c
index b58b91f62ffb..ab2d2290569a 100644
--- a/tools/bpf/bpftool/struct_ops.c
+++ b/tools/bpf/bpftool/struct_ops.c
@@ -572,8 +572,8 @@  static int do_help(int argc, char **argv)
 		"       %1$s %2$s unregister STRUCT_OPS_MAP\n"
 		"       %1$s %2$s help\n"
 		"\n"
-		"       OPTIONS := { {-j|--json} [{-p|--pretty}] }\n"
 		"       STRUCT_OPS_MAP := [ id STRUCT_OPS_MAP_ID | name STRUCT_OPS_MAP_NAME ]\n"
+		"       " HELP_SPEC_OPTIONS " }\n"
 		"",
 		bin_name, argv[-2]);