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author | Mark Brown <broonie@kernel.org> | 2020-06-17 12:39:12 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2020-06-17 12:39:12 +0100 |
commit | 6870112c46c867f50cd27570860a05bd82614b5c (patch) | |
tree | bd9f13f6ab25072809564460a34bf0fb40900069 /scripts/bpf_helpers_doc.py | |
parent | 6f1cf5257acc6e6242ddf2f52bc7912aed77b79f (diff) | |
parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) |
Merge tag 'v5.8-rc1' into regulator-5.8
Linux 5.8-rc1
Diffstat (limited to 'scripts/bpf_helpers_doc.py')
-rwxr-xr-x | scripts/bpf_helpers_doc.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/scripts/bpf_helpers_doc.py b/scripts/bpf_helpers_doc.py index f43d193aff3a..91fa668fa860 100755 --- a/scripts/bpf_helpers_doc.py +++ b/scripts/bpf_helpers_doc.py @@ -318,6 +318,11 @@ may be interested in: of eBPF maps are used with a given helper function. * *kernel/bpf/* directory contains other files in which additional helpers are defined (for cgroups, sockmaps, etc.). +* The bpftool utility can be used to probe the availability of helper functions + on the system (as well as supported program and map types, and a number of + other parameters). To do so, run **bpftool feature probe** (see + **bpftool-feature**\ (8) for details). Add the **unprivileged** keyword to + list features available to unprivileged users. Compatibility between helper functions and program types can generally be found in the files where helper functions are defined. Look for the **struct @@ -338,6 +343,7 @@ SEE ALSO ======== **bpf**\ (2), +**bpftool**\ (8), **cgroups**\ (7), **ip**\ (8), **perf_event_open**\ (2), @@ -414,6 +420,7 @@ class PrinterHelpers(Printer): 'struct sk_reuseport_md', 'struct sockaddr', 'struct tcphdr', + 'struct seq_file', 'struct __sk_buff', 'struct sk_msg_md', @@ -450,6 +457,7 @@ class PrinterHelpers(Printer): 'struct sk_reuseport_md', 'struct sockaddr', 'struct tcphdr', + 'struct seq_file', } mapped_types = { 'u8': '__u8', |