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| author | Jakub Sitnicki <jakub@cloudflare.com> | 2025-08-14 11:59:28 +0200 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2025-08-18 10:29:42 -0700 |
| commit | 6877cd392baecf816c2ba896a9d42874628004a5 (patch) | |
| tree | 13fa85d0eca4b82cf9cef66df15c1da5c5f28776 /tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c | |
| parent | bpf: Add dynptr type for skb metadata (diff) | |
| download | linux-6877cd392baecf816c2ba896a9d42874628004a5.tar.gz linux-6877cd392baecf816c2ba896a9d42874628004a5.zip | |
bpf: Enable read/write access to skb metadata through a dynptr
Now that we can create a dynptr to skb metadata, make reads to the metadata
area possible with bpf_dynptr_read() or through a bpf_dynptr_slice(), and
make writes to the metadata area possible with bpf_dynptr_write() or
through a bpf_dynptr_slice_rdwr().
Note that for cloned skbs which share data with the original, we limit the
skb metadata dynptr to be read-only since we don't unclone on a
bpf_dynptr_write to metadata.
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250814-skb-metadata-thru-dynptr-v7-2-8a39e636e0fb@cloudflare.com
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c')
0 files changed, 0 insertions, 0 deletions