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Use bpf_prog_load_xattr() function for loading BPF object file instead.

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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. * @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; int firstfd = -1;
struct bpf_object *obj; struct bpf_object *obj;
int err; int err;
err = bpf_prog_load(filename, BPF_PROG_TYPE_XDP, &obj, &firstfd); err = bpf_prog_load_xattr(&attrs, &obj, &firstfd);
if (err) if (err)
{ {
@@ -389,7 +394,7 @@ int main(int argc, char *argv[])
const char *filename = "/etc/xdpfw/xdpfw_kern.o"; const char *filename = "/etc/xdpfw/xdpfw_kern.o";
// Get XDP's ID. // Get XDP's ID.
progfd = loadbpfobj(filename); progfd = loadbpfobj(filename, ifidx);
if (progfd <= 0) if (progfd <= 0)
{ {