diff options
author | Johannes Berg <johannes.berg@intel.com> | 2017-06-08 14:14:40 +0200 |
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committer | Johannes Berg <johannes.berg@intel.com> | 2017-06-08 14:14:45 +0200 |
commit | a43e61842ec55baa486d60eed2a19af67ba78b9f (patch) | |
tree | 6c3c93f19e3933273b73b9edd16edc146ab18527 /tools/lib/bpf/bpf.c | |
parent | 5d473fedd17ae3a9f92fb35551e307d01459ea6a (diff) | |
parent | 50dffe7fad6c156c2928e45c19ff7b86eb951f4c (diff) |
Merge remote-tracking branch 'net-next/master' into mac80211-next
This brings in commit 7a7c0a6438b8 ("mac80211: fix TX aggregation
start/stop callback race") to allow the follow-up cleanup.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'tools/lib/bpf/bpf.c')
-rw-r--r-- | tools/lib/bpf/bpf.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 6e178987af8e..7e0405e1651d 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -257,3 +257,71 @@ int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, *duration = attr.test.duration; return ret; } + +int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id) +{ + union bpf_attr attr; + int err; + + bzero(&attr, sizeof(attr)); + attr.start_id = start_id; + + err = sys_bpf(BPF_PROG_GET_NEXT_ID, &attr, sizeof(attr)); + if (!err) + *next_id = attr.next_id; + + return err; +} + +int bpf_map_get_next_id(__u32 start_id, __u32 *next_id) +{ + union bpf_attr attr; + int err; + + bzero(&attr, sizeof(attr)); + attr.start_id = start_id; + + err = sys_bpf(BPF_MAP_GET_NEXT_ID, &attr, sizeof(attr)); + if (!err) + *next_id = attr.next_id; + + return err; +} + +int bpf_prog_get_fd_by_id(__u32 id) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.prog_id = id; + + return sys_bpf(BPF_PROG_GET_FD_BY_ID, &attr, sizeof(attr)); +} + +int bpf_map_get_fd_by_id(__u32 id) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.map_id = id; + + return sys_bpf(BPF_MAP_GET_FD_BY_ID, &attr, sizeof(attr)); +} + +int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len) +{ + union bpf_attr attr; + int err; + + bzero(&attr, sizeof(attr)); + bzero(info, *info_len); + attr.info.bpf_fd = prog_fd; + attr.info.info_len = *info_len; + attr.info.info = ptr_to_u64(info); + + err = sys_bpf(BPF_OBJ_GET_INFO_BY_FD, &attr, sizeof(attr)); + if (!err) + *info_len = attr.info.info_len; + + return err; +} |