tools/bpftool: Add name mappings for SK_LOOKUP prog and attach type

Make bpftool show human-friendly identifiers for newly introduced program
and attach type, BPF_PROG_TYPE_SK_LOOKUP and BPF_SK_LOOKUP, respectively.

Also, add the new prog type bash-completion, man page and help message.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200717103536.397595-14-jakub@cloudflare.com

diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index 412ea3d..82e356b 100644 (file)
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -45,7 +45,7 @@ PROG COMMANDS
 |               **cgroup/getsockname4** | **cgroup/getsockname6** | **cgroup/sendmsg4** | **cgroup/sendmsg6** |
 |              **cgroup/recvmsg4** | **cgroup/recvmsg6** | **cgroup/sysctl** |
 |              **cgroup/getsockopt** | **cgroup/setsockopt** |
-|              **struct_ops** | **fentry** | **fexit** | **freplace**
+|              **struct_ops** | **fentry** | **fexit** | **freplace** | **sk_lookup**
 |      }
 |       *ATTACH_TYPE* := {
 |              **msg_verdict** | **stream_verdict** | **stream_parser** | **flow_dissector**

diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index 25b25ac..7b13726 100644 (file)
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -479,7 +479,7 @@ _bpftool()
                                 cgroup/post_bind4 cgroup/post_bind6 \
                                 cgroup/sysctl cgroup/getsockopt \
                                 cgroup/setsockopt struct_ops \
-                                fentry fexit freplace" -- \
+                                fentry fexit freplace sk_lookup" -- \
                                                    "$cur" ) )
                             return 0
                             ;;

diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 29f4e76..9b28c69 100644 (file)
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -64,6 +64,7 @@ const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE] = {
        [BPF_TRACE_FEXIT]               = "fexit",
        [BPF_MODIFY_RETURN]             = "mod_ret",
        [BPF_LSM_MAC]                   = "lsm_mac",
+       [BPF_SK_LOOKUP]                 = "sk_lookup",
 };
 
 void p_err(const char *fmt, ...)

diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 6863c57..3e6ecc6 100644 (file)
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -59,6 +59,7 @@ const char * const prog_type_name[] = {
        [BPF_PROG_TYPE_TRACING]                 = "tracing",
        [BPF_PROG_TYPE_STRUCT_OPS]              = "struct_ops",
        [BPF_PROG_TYPE_EXT]                     = "ext",
+       [BPF_PROG_TYPE_SK_LOOKUP]               = "sk_lookup",
 };
 
 const size_t prog_type_name_size = ARRAY_SIZE(prog_type_name);
@@ -1905,7 +1906,7 @@ static int do_help(int argc, char **argv)
                "                 cgroup/getsockname4 | cgroup/getsockname6 | cgroup/sendmsg4 |\n"
                "                 cgroup/sendmsg6 | cgroup/recvmsg4 | cgroup/recvmsg6 |\n"
                "                 cgroup/getsockopt | cgroup/setsockopt |\n"
-               "                 struct_ops | fentry | fexit | freplace }\n"
+               "                 struct_ops | fentry | fexit | freplace | sk_lookup }\n"
                "       ATTACH_TYPE := { msg_verdict | stream_verdict | stream_parser |\n"
                "                        flow_dissector }\n"
                "       METRIC := { cycles | instructions | l1d_loads | llc_misses }\n"