Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-11 08:18:47 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

bpftool: Support new prog types and attach types

Browse Source 
Add recently added prog types to `bpftool prog` and attach types to
`bpftool cgroup`.

Update bpftool documentation and bash completion appropriately.

Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrey Ignatov 2018-04-17 10:28:44 -07:00 committed by Daniel Borkmann
parent a2d481b326
commit 393de512e7
4 changed files with 28 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
View File

@ -26,7 +26,8 @@ MAP COMMANDS
| **bpftool** **cgroup help**
|
| *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* }
| *ATTACH_TYPE* := { **ingress** | **egress** | **sock_create** | **sock_ops** | **device** }
| *ATTACH_TYPE* := { **ingress** | **egress** | **sock_create** | **sock_ops** | **device** |
| **bind4** | **bind6** | **post_bind4** | **post_bind6** | **connect4** | **connect6** }
| *ATTACH_FLAGS* := { **multi** | **override** }
DESCRIPTION
@ -63,7 +64,13 @@ DESCRIPTION
**egress** egress path of the inet socket (since 4.10);
**sock_create** opening of an inet socket (since 4.10);
**sock_ops** various socket operations (since 4.12);
**device** device access (since 4.15).
**device** device access (since 4.15);
**bind4** call to bind(2) for an inet4 socket (since 4.17);
**bind6** call to bind(2) for an inet6 socket (since 4.17);
**post_bind4** return from bind(2) for an inet4 socket (since 4.17);
**post_bind6** return from bind(2) for an inet6 socket (since 4.17);
**connect4** call to connect(2) for an inet4 socket (since 4.17);
**connect6** call to connect(2) for an inet6 socket (since 4.17).
**bpftool cgroup detach** *CGROUP* *ATTACH_TYPE* *PROG*
Detach *PROG* from the cgroup *CGROUP* and attach type

6
tools/bpf/bpftool/bash-completion/bpftool
View File

@ -372,7 +372,8 @@ _bpftool()
;;
attach|detach)
local ATTACH_TYPES='ingress egress sock_create sock_ops \
device'
device bind4 bind6 post_bind4 post_bind6 connect4 \
connect6'
local ATTACH_FLAGS='multi override'
local PROG_TYPE='id pinned tag'
case $prev in
@ -380,7 +381,8 @@ _bpftool()
_filedir
return 0
;;
ingress|egress|sock_create|sock_ops|device)
ingress|egress|sock_create|sock_ops|device|bind4|bind6|\
post_bind4|post_bind6|connect4|connect6)
COMPREPLY=( $( compgen -W "$PROG_TYPE" -- \
"$cur" ) )
return 0

15
tools/bpf/bpftool/cgroup.c
View File

@ -16,8 +16,11 @@
#define HELP_SPEC_ATTACH_FLAGS \
"ATTACH_FLAGS := { multi | override }"
#define HELP_SPEC_ATTACH_TYPES \
"ATTACH_TYPE := { ingress | egress | sock_create | sock_ops | device }"
#define HELP_SPEC_ATTACH_TYPES \
" ATTACH_TYPE := { ingress | egress | sock_create |\n" \
" sock_ops | device | bind4 | bind6 |\n" \
" post_bind4 | post_bind6 | connect4 |\n" \
" connect6 }"
static const char * const attach_type_strings[] = {
[BPF_CGROUP_INET_INGRESS] = "ingress",
@ -25,6 +28,12 @@ static const char * const attach_type_strings[] = {
[BPF_CGROUP_INET_SOCK_CREATE] = "sock_create",
[BPF_CGROUP_SOCK_OPS] = "sock_ops",
[BPF_CGROUP_DEVICE] = "device",
[BPF_CGROUP_INET4_BIND] = "bind4",
[BPF_CGROUP_INET6_BIND] = "bind6",
[BPF_CGROUP_INET4_CONNECT] = "connect4",
[BPF_CGROUP_INET6_CONNECT] = "connect6",
[BPF_CGROUP_INET4_POST_BIND] = "post_bind4",
[BPF_CGROUP_INET6_POST_BIND] = "post_bind6",
[__MAX_BPF_ATTACH_TYPE] = NULL,
};
@ -282,7 +291,7 @@ static int do_help(int argc, char **argv)
" %s %s detach CGROUP ATTACH_TYPE PROG\n"
" %s %s help\n"
"\n"
" " HELP_SPEC_ATTACH_TYPES "\n"
HELP_SPEC_ATTACH_TYPES "\n"
" " HELP_SPEC_ATTACH_FLAGS "\n"
" " HELP_SPEC_PROGRAM "\n"
" " HELP_SPEC_OPTIONS "\n"

3
tools/bpf/bpftool/prog.c
View File

@ -68,6 +68,9 @@ static const char * const prog_type_name[] = {
[BPF_PROG_TYPE_SOCK_OPS] = "sock_ops",
[BPF_PROG_TYPE_SK_SKB] = "sk_skb",
[BPF_PROG_TYPE_CGROUP_DEVICE] = "cgroup_device",
[BPF_PROG_TYPE_SK_MSG] = "sk_msg",
[BPF_PROG_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
[BPF_PROG_TYPE_CGROUP_SOCK_ADDR] = "cgroup_sock_addr",
};
static void print_boot_time(__u64 nsecs, char *buf, unsigned int size)