kaffa/XDP-Firewall
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Use bpf_prog_load_xattr() function for loading BPF object file instead.

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This commit is contained in:
gamemann
2021-11-12 17:55:49 +00:00
parent 8089cfff0e
commit bee4377a80
1 changed files with 8 additions and 3 deletions
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11
src/xdpfw.c
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@@ -136,13 +136,18 @@ int findmapfd(struct bpf_object *bpf_obj, const char *mapname)
*
* @return BPF's program FD.
*/
int loadbpfobj(const char *filename)
int loadbpfobj(const char *filename, int ifidx)
{
struct bpf_prog_load_attr attrs = {0};
attrs.file = filename;
attrs.prog_type = BPF_PROG_TYPE_XDP;
attrs.ifindex = ifidx;
int firstfd = -1;
struct bpf_object *obj;
int err;
err = bpf_prog_load(filename, BPF_PROG_TYPE_XDP, &obj, &firstfd);
err = bpf_prog_load_xattr(&attrs, &obj, &firstfd);
if (err)
{
@@ -389,7 +394,7 @@ int main(int argc, char *argv[])
const char *filename = "/etc/xdpfw/xdpfw_kern.o";
// Get XDP's ID.
progfd = loadbpfobj(filename);
progfd = loadbpfobj(filename, ifidx);
if (progfd <= 0)
{