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authorLorenzo Bianconi <[email protected]>2023-02-01 10:24:21 +0000
committerAlexei Starovoitov <[email protected]>2023-02-03 04:48:24 +0000
commit04d58f1b26a436c429581d286528ea3c01624462 (patch)
tree663a49c22aa511ba18825a709ad66da583fc56d1 /tools/lib/bpf/libbpf.h
parentlibbpf: add the capability to specify netlink proto in libbpf_netlink_send_recv (diff)
downloadkernel-04d58f1b26a436c429581d286528ea3c01624462.tar.gz
kernel-04d58f1b26a436c429581d286528ea3c01624462.zip
libbpf: add API to get XDP/XSK supported features
Extend bpf_xdp_query routine in order to get XDP/XSK supported features of netdev over route netlink interface. Extend libbpf netlink implementation in order to support netlink_generic protocol. Co-developed-by: Kumar Kartikeya Dwivedi <[email protected]> Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]> Co-developed-by: Marek Majtyka <[email protected]> Signed-off-by: Marek Majtyka <[email protected]> Signed-off-by: Lorenzo Bianconi <[email protected]> Link: https://lore.kernel.org/r/a72609ef4f0de7fee5376c40dbf54ad7f13bfb8d.1675245258.git.lorenzo@kernel.org Signed-off-by: Alexei Starovoitov <[email protected]>
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
-rw-r--r--tools/lib/bpf/libbpf.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 8777ff21ea1d..b18581277eb2 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -1048,9 +1048,10 @@ struct bpf_xdp_query_opts {
__u32 hw_prog_id; /* output */
__u32 skb_prog_id; /* output */
__u8 attach_mode; /* output */
+ __u64 feature_flags; /* output */
size_t :0;
};
-#define bpf_xdp_query_opts__last_field attach_mode
+#define bpf_xdp_query_opts__last_field feature_flags
LIBBPF_API int bpf_xdp_attach(int ifindex, int prog_fd, __u32 flags,
const struct bpf_xdp_attach_opts *opts);