diff options
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-prog.rst | 15 | ||||
| -rw-r--r-- | tools/bpf/bpftool/bash-completion/bpftool | 6 | ||||
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 44 |
3 files changed, 60 insertions, 5 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst index 41723c6acaa6..e53e1ad2caf0 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst @@ -24,10 +24,19 @@ MAP COMMANDS | **bpftool** **prog dump xlated** *PROG* [{**file** *FILE* | **opcodes** | **visual**}] | **bpftool** **prog dump jited** *PROG* [{**file** *FILE* | **opcodes**}] | **bpftool** **prog pin** *PROG* *FILE* -| **bpftool** **prog load** *OBJ* *FILE* [**dev** *NAME*] +| **bpftool** **prog load** *OBJ* *FILE* [**type** *TYPE*] [**dev** *NAME*] | **bpftool** **prog help** | | *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* } +| *TYPE* := { +| **socket** | **kprobe** | **kretprobe** | **classifier** | **action** | +| **tracepoint** | **raw_tracepoint** | **xdp** | **perf_event** | **cgroup/skb** | +| **cgroup/sock** | **cgroup/dev** | **lwt_in** | **lwt_out** | **lwt_xmit** | +| **lwt_seg6local** | **sockops** | **sk_skb** | **sk_msg** | **lirc_mode2** | +| **cgroup/bind4** | **cgroup/bind6** | **cgroup/post_bind4** | **cgroup/post_bind6** | +| **cgroup/connect4** | **cgroup/connect6** | **cgroup/sendmsg4** | **cgroup/sendmsg6** +| } + DESCRIPTION =========== @@ -64,8 +73,10 @@ DESCRIPTION Note: *FILE* must be located in *bpffs* mount. - **bpftool prog load** *OBJ* *FILE* [**dev** *NAME*] + **bpftool prog load** *OBJ* *FILE* [**type** *TYPE*] [**dev** *NAME*] Load bpf program from binary *OBJ* and pin as *FILE*. + **type** is optional, if not specified program type will be + inferred from section names. If **dev** *NAME* is specified program will be loaded onto given networking device (offload). diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool index 238c2f80092a..caf8711993be 100644 --- a/tools/bpf/bpftool/bash-completion/bpftool +++ b/tools/bpf/bpftool/bash-completion/bpftool @@ -274,11 +274,17 @@ _bpftool() fi case $prev in + type) + COMPREPLY=( $( compgen -W "socket kprobe kretprobe classifier action tracepoint raw_tracepoint xdp perf_event cgroup/skb cgroup/sock cgroup/dev lwt_in lwt_out lwt_xmit lwt_seg6local sockops sk_skb sk_msg lirc_mode2 cgroup/bind4 cgroup/bind6 cgroup/connect4 cgroup/connect6 cgroup/sendmsg4 cgroup/sendmsg6 cgroup/post_bind4 cgroup/post_bind6" -- \ + "$cur" ) ) + return 0 + ;; dev) _sysfs_get_netdevs return 0 ;; *) + _bpftool_once_attr 'type' _bpftool_once_attr 'dev' return 0 ;; diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 21c74de7156f..98695585bbb6 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -688,6 +688,7 @@ static int do_load(int argc, char **argv) const char *objfile, *pinfile; struct bpf_object *obj; int prog_fd; + int err; if (!REQ_ARGS(2)) return -1; @@ -695,7 +696,37 @@ static int do_load(int argc, char **argv) pinfile = GET_ARG(); while (argc) { - if (is_prefix(*argv, "dev")) { + if (is_prefix(*argv, "type")) { + char *type; + + NEXT_ARG(); + + if (attr.prog_type != BPF_PROG_TYPE_UNSPEC) { + p_err("program type already specified"); + return -1; + } + if (!REQ_ARGS(1)) + return -1; + + /* Put a '/' at the end of type to appease libbpf */ + type = malloc(strlen(*argv) + 2); + if (!type) { + p_err("mem alloc failed"); + return -1; + } + *type = 0; + strcat(type, *argv); + strcat(type, "/"); + + err = libbpf_prog_type_by_name(type, &attr.prog_type, + &attr.expected_attach_type); + free(type); + if (err < 0) { + p_err("unknown program type '%s'", *argv); + return err; + } + NEXT_ARG(); + } else if (is_prefix(*argv, "dev")) { NEXT_ARG(); if (attr.ifindex) { @@ -713,7 +744,7 @@ static int do_load(int argc, char **argv) } NEXT_ARG(); } else { - p_err("expected no more arguments or 'dev', got: '%s'?", + p_err("expected no more arguments, 'type' or 'dev', got: '%s'?", *argv); return -1; } @@ -753,10 +784,17 @@ static int do_help(int argc, char **argv) " %s %s dump xlated PROG [{ file FILE | opcodes | visual }]\n" " %s %s dump jited PROG [{ file FILE | opcodes }]\n" " %s %s pin PROG FILE\n" - " %s %s load OBJ FILE [dev NAME]\n" + " %s %s load OBJ FILE [type TYPE] [dev NAME]\n" " %s %s help\n" "\n" " " HELP_SPEC_PROGRAM "\n" + " TYPE := { socket | kprobe | kretprobe | classifier | action |\n" + " tracepoint | raw_tracepoint | xdp | perf_event | cgroup/skb |\n" + " cgroup/sock | cgroup/dev | lwt_in | lwt_out | lwt_xmit |\n" + " lwt_seg6local | sockops | sk_skb | sk_msg | lirc_mode2 |\n" + " cgroup/bind4 | cgroup/bind6 | cgroup/post_bind4 |\n" + " cgroup/post_bind6 | cgroup/connect4 | cgroup/connect6 |\n" + " cgroup/sendmsg4 | cgroup/sendmsg6 }\n" " " HELP_SPEC_OPTIONS "\n" "", bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2], |