1 files changed, 13 insertions, 67 deletions

diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index a6cdb640a0d7..af6766e956ba 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 Netronome Systems, Inc.
+ * Copyright (C) 2017-2018 Netronome Systems, Inc.
  *
  * This software is dual licensed under the GNU General License Version 2,
  * June 1991 as shown in the file COPYING in the top-level directory of this
@@ -34,7 +34,6 @@
 /* Author: Jakub Kicinski <kubakici@wp.pl> */
 
 #include <assert.h>
-#include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdbool.h>
@@ -69,61 +68,6 @@ static const char * const map_type_name[] = {
         [BPF_MAP_TYPE_CPUMAP]           = "cpumap",
 };
 
-static unsigned int get_possible_cpus(void)
-{
-        static unsigned int result;
-        char buf[128];
-        long int n;
-        char *ptr;
-        int fd;
-
-        if (result)
-                return result;
-
-        fd = open("/sys/devices/system/cpu/possible", O_RDONLY);
-        if (fd < 0) {
-                p_err("can't open sysfs possible cpus");
-                exit(-1);
-        }
-
-        n = read(fd, buf, sizeof(buf));
-        if (n < 2) {
-                p_err("can't read sysfs possible cpus");
-                exit(-1);
-        }
-        close(fd);
-
-        if (n == sizeof(buf)) {
-                p_err("read sysfs possible cpus overflow");
-                exit(-1);
-        }
-
-        ptr = buf;
-        n = 0;
-        while (*ptr && *ptr != '\n') {
-                unsigned int a, b;
-
-                if (sscanf(ptr, "%u-%u", &a, &b) == 2) {
-                        n += b - a + 1;
-
-                        ptr = strchr(ptr, '-') + 1;
-                } else if (sscanf(ptr, "%u", &a) == 1) {
-                        n++;
-                } else {
-                        assert(0);
-                }
-
-                while (isdigit(*ptr))
-                        ptr++;
-                if (*ptr == ',')
-                        ptr++;
-        }
-
-        result = n;
-
-        return result;
-}
-
 static bool map_is_per_cpu(__u32 type)
 {
         return type == BPF_MAP_TYPE_PERCPU_HASH ||
@@ -186,8 +130,7 @@ static int map_parse_fd(int *argc, char ***argv)
         return -1;
 }
 
-static int
-map_parse_fd_and_info(int *argc, char ***argv, void *info, __u32 *info_len)
+int map_parse_fd_and_info(int *argc, char ***argv, void *info, __u32 *info_len)
 {
         int err;
         int fd;
@@ -873,23 +816,25 @@ static int do_help(int argc, char **argv)
 
         fprintf(stderr,
                 "Usage: %s %s { show | list }   [MAP]\n"
-                "       %s %s dump    MAP\n"
-                "       %s %s update  MAP  key [hex] BYTES value [hex] VALUE [UPDATE_FLAGS]\n"
-                "       %s %s lookup  MAP  key [hex] BYTES\n"
-                "       %s %s getnext MAP [key [hex] BYTES]\n"
-                "       %s %s delete  MAP  key [hex] BYTES\n"
-                "       %s %s pin     MAP  FILE\n"
+                "       %s %s dump       MAP\n"
+                "       %s %s update     MAP  key DATA value VALUE [UPDATE_FLAGS]\n"
+                "       %s %s lookup     MAP  key DATA\n"
+                "       %s %s getnext    MAP [key DATA]\n"
+                "       %s %s delete     MAP  key DATA\n"
+                "       %s %s pin        MAP  FILE\n"
+                "       %s %s event_pipe MAP [cpu N index M]\n"
                 "       %s %s help\n"
                 "\n"
                 "       MAP := { id MAP_ID | pinned FILE }\n"
+                "       DATA := { [hex] BYTES }\n"
                 "       " HELP_SPEC_PROGRAM "\n"
-                "       VALUE := { BYTES | MAP | PROG }\n"
+                "       VALUE := { DATA | MAP | PROG }\n"
                 "       UPDATE_FLAGS := { any | exist | noexist }\n"
                 "       " HELP_SPEC_OPTIONS "\n"
                 "",
                 bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
                 bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
-                bin_name, argv[-2], bin_name, argv[-2]);
+                bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2]);
 
         return 0;
 }
@@ -904,6 +849,7 @@ static const struct cmd cmds[] = {
         { "getnext",    do_getnext },
         { "delete",     do_delete },
         { "pin",        do_pin },
+        { "event_pipe", do_event_pipe },
         { 0 }
 };