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bpftool: Add sock_release help info for cgroup attach/prog load command 

The help information was not added at the time when the function got added.
Fix this and add the missing information to its cli, documentation and bash
completion.

Fixes: db94cc0b48 ("bpftool: Add support for BPF_CGROUP_INET_SOCK_RELEASE")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20210525014139.323859-1-liujian56@huawei.com
This commit is contained in:
Liu Jian 2021-05-25 09:41:39 +08:00 committed by Daniel Borkmann
parent 84316ca4e1
commit a8deba8547
5 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
View File

@ -30,7 +30,8 @@ CGROUP COMMANDS
| *ATTACH_TYPE* := { **ingress** | **egress** | **sock_create** | **sock_ops** | **device** |
| **bind4** | **bind6** | **post_bind4** | **post_bind6** | **connect4** | **connect6** |
| **getpeername4** | **getpeername6** | **getsockname4** | **getsockname6** | **sendmsg4** |
| **sendmsg6** | **recvmsg4** | **recvmsg6** | **sysctl** | **getsockopt** | **setsockopt** }
| **sendmsg6** | **recvmsg4** | **recvmsg6** | **sysctl** | **getsockopt** | **setsockopt** |
| **sock_release** }
| *ATTACH_FLAGS* := { **multi** | **override** }
DESCRIPTION
@ -106,6 +107,7 @@ DESCRIPTION
**getpeername6** call to getpeername(2) for an inet6 socket (since 5.8);
**getsockname4** call to getsockname(2) for an inet4 socket (since 5.8);
**getsockname6** call to getsockname(2) for an inet6 socket (since 5.8).
**sock_release** closing an userspace inet socket (since 5.9).
**bpftool cgroup detach** *CGROUP* *ATTACH_TYPE* *PROG*
Detach *PROG* from the cgroup *CGROUP* and attach type

2
tools/bpf/bpftool/Documentation/bpftool-prog.rst
View File

@ -44,7 +44,7 @@ PROG COMMANDS
| **cgroup/connect4** | **cgroup/connect6** | **cgroup/getpeername4** | **cgroup/getpeername6** |
| **cgroup/getsockname4** | **cgroup/getsockname6** | **cgroup/sendmsg4** | **cgroup/sendmsg6** |
| **cgroup/recvmsg4** | **cgroup/recvmsg6** | **cgroup/sysctl** |
| **cgroup/getsockopt** | **cgroup/setsockopt** |
| **cgroup/getsockopt** | **cgroup/setsockopt** | **cgroup/sock_release** |
| **struct_ops** | **fentry** | **fexit** | **freplace** | **sk_lookup**
| }
| *ATTACH_TYPE* := {

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

@ -478,7 +478,7 @@ _bpftool()
cgroup/recvmsg4 cgroup/recvmsg6 \
cgroup/post_bind4 cgroup/post_bind6 \
cgroup/sysctl cgroup/getsockopt \
cgroup/setsockopt struct_ops \
cgroup/setsockopt cgroup/sock_release struct_ops \
fentry fexit freplace sk_lookup" -- \
"$cur" ) )
return 0
@ -1021,7 +1021,7 @@ _bpftool()
device bind4 bind6 post_bind4 post_bind6 connect4 connect6 \
getpeername4 getpeername6 getsockname4 getsockname6 \
sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl getsockopt \
setsockopt'
setsockopt sock_release'
local ATTACH_FLAGS='multi override'
local PROG_TYPE='id pinned tag name'
case $prev in
@ -1032,7 +1032,7 @@ _bpftool()
ingress|egress|sock_create|sock_ops|device|bind4|bind6|\
post_bind4|post_bind6|connect4|connect6|getpeername4|\
getpeername6|getsockname4|getsockname6|sendmsg4|sendmsg6|\
recvmsg4|recvmsg6|sysctl|getsockopt|setsockopt)
recvmsg4|recvmsg6|sysctl|getsockopt|setsockopt|sock_release)
COMPREPLY=( $( compgen -W "$PROG_TYPE" -- \
"$cur" ) )
return 0

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

@ -28,7 +28,8 @@
" connect6 | getpeername4 | getpeername6 |\n" \
" getsockname4 | getsockname6 | sendmsg4 |\n" \
" sendmsg6 | recvmsg4 | recvmsg6 |\n" \
" sysctl | getsockopt | setsockopt }"
" sysctl | getsockopt | setsockopt |\n" \
" sock_release }"
static unsigned int query_flags;

2
tools/bpf/bpftool/prog.c
View File

@ -2138,7 +2138,7 @@ static int do_help(int argc, char **argv)
" cgroup/getpeername4 | cgroup/getpeername6 |\n"
" cgroup/getsockname4 | cgroup/getsockname6 | cgroup/sendmsg4 |\n"
" cgroup/sendmsg6 | cgroup/recvmsg4 | cgroup/recvmsg6 |\n"
" cgroup/getsockopt | cgroup/setsockopt |\n"
" cgroup/getsockopt | cgroup/setsockopt | cgroup/sock_release |\n"
" struct_ops | fentry | fexit | freplace | sk_lookup }\n"
" ATTACH_TYPE := { msg_verdict | stream_verdict | stream_parser |\n"
" flow_dissector }\n"