| Message ID | 20241011193252.178997-1-wudevelops@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [bpf,v1,1/2] bpf: fix link info netfilter flags to populate defrag flag | expand |
On 10/15/24 5:25 PM, Florian Westphal wrote: > Tyrone Wu <wudevelops@gmail.com> wrote: >> This patch correctly populates the `bpf_link_info.netfilter.flags` field >> when user passes the `BPF_F_NETFILTER_IP_DEFRAG` flag. > > Indeed, thanks for fixing this. > Patch and testcase look good, but one nit: > >> Fixes: 84601d6ee68a ("bpf: add bpf_link support for BPF_NETFILTER programs") > > BPF_F_NETFILTER_IP_DEFRAG flag was added in > 91721c2d02d3 ("netfilter: bpf: Support BPF_F_NETFILTER_IP_DEFRAG in netfilter link"), that was a bit later than the initial support. > > Other than that, > Acked-by: Florian Westphal <fw@strlen.de> Thanks Florian & Tyrone, fixed up Fixes tag while applying.
diff --git a/net/netfilter/nf_bpf_link.c b/net/netfilter/nf_bpf_link.c index 5257d5e7eb09..797fe8a9971e 100644 --- a/net/netfilter/nf_bpf_link.c +++ b/net/netfilter/nf_bpf_link.c @@ -150,11 +150,12 @@ static int bpf_nf_link_fill_link_info(const struct bpf_link *link, struct bpf_link_info *info) { struct bpf_nf_link *nf_link = container_of(link, struct bpf_nf_link, link); + const struct nf_defrag_hook *hook = nf_link->defrag_hook; info->netfilter.pf = nf_link->hook_ops.pf; info->netfilter.hooknum = nf_link->hook_ops.hooknum; info->netfilter.priority = nf_link->hook_ops.priority; - info->netfilter.flags = 0; + info->netfilter.flags = hook ? BPF_F_NETFILTER_IP_DEFRAG : 0; return 0; }
This patch correctly populates the `bpf_link_info.netfilter.flags` field when user passes the `BPF_F_NETFILTER_IP_DEFRAG` flag. Fixes: 84601d6ee68a ("bpf: add bpf_link support for BPF_NETFILTER programs") Signed-off-by: Tyrone Wu <wudevelops@gmail.com> --- net/netfilter/nf_bpf_link.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)