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Diffstat (limited to 'tools/lib/bpf/netlink.c')
-rw-r--r--tools/lib/bpf/netlink.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c
index 84dd5fa14905..090bcf6e3b3d 100644
--- a/tools/lib/bpf/netlink.c
+++ b/tools/lib/bpf/netlink.c
@@ -45,6 +45,7 @@ struct xdp_id_md {
struct xdp_features_md {
int ifindex;
+ __u32 xdp_zc_max_segs;
__u64 flags;
};
@@ -421,6 +422,9 @@ static int parse_xdp_features(struct nlmsghdr *nh, libbpf_dump_nlmsg_t fn,
return NL_CONT;
md->flags = libbpf_nla_getattr_u64(tb[NETDEV_A_DEV_XDP_FEATURES]);
+ if (tb[NETDEV_A_DEV_XDP_ZC_MAX_SEGS])
+ md->xdp_zc_max_segs =
+ libbpf_nla_getattr_u32(tb[NETDEV_A_DEV_XDP_ZC_MAX_SEGS]);
return NL_DONE;
}
@@ -493,6 +497,7 @@ int bpf_xdp_query(int ifindex, int xdp_flags, struct bpf_xdp_query_opts *opts)
return libbpf_err(err);
opts->feature_flags = md.flags;
+ opts->xdp_zc_max_segs = md.xdp_zc_max_segs;
skip_feature_flags:
return 0;