cls_bpf.c (5bbcc0f595fadb4cac0eddc4401035ec0bd95b09) cls_bpf.c (288b3de55aace830f13280985ec9e6bcbff33b1b)
1/*
2 * Berkeley Packet Filter based traffic classifier
3 *
4 * Might be used to classify traffic through flexible, user-defined and
5 * possibly JIT-ed BPF filters for traffic control as an alternative to
6 * ematches.
7 *
8 * (C) 2013 Daniel Borkmann <dborkman@redhat.com>

--- 368 unchanged lines hidden (view full) ---

377 return 0;
378}
379
380static int cls_bpf_prog_from_efd(struct nlattr **tb, struct cls_bpf_prog *prog,
381 u32 gen_flags, const struct tcf_proto *tp)
382{
383 struct bpf_prog *fp;
384 char *name = NULL;
1/*
2 * Berkeley Packet Filter based traffic classifier
3 *
4 * Might be used to classify traffic through flexible, user-defined and
5 * possibly JIT-ed BPF filters for traffic control as an alternative to
6 * ematches.
7 *
8 * (C) 2013 Daniel Borkmann <dborkman@redhat.com>

--- 368 unchanged lines hidden (view full) ---

377 return 0;
378}
379
380static int cls_bpf_prog_from_efd(struct nlattr **tb, struct cls_bpf_prog *prog,
381 u32 gen_flags, const struct tcf_proto *tp)
382{
383 struct bpf_prog *fp;
384 char *name = NULL;
385 bool skip_sw;
385 u32 bpf_fd;
386
387 bpf_fd = nla_get_u32(tb[TCA_BPF_FD]);
386 u32 bpf_fd;
387
388 bpf_fd = nla_get_u32(tb[TCA_BPF_FD]);
389 skip_sw = gen_flags & TCA_CLS_FLAGS_SKIP_SW;
388
390
389 if (gen_flags & TCA_CLS_FLAGS_SKIP_SW)
390 fp = bpf_prog_get_type_dev(bpf_fd, BPF_PROG_TYPE_SCHED_CLS,
391 qdisc_dev(tp->q));
392 else
393 fp = bpf_prog_get_type(bpf_fd, BPF_PROG_TYPE_SCHED_CLS);
391 fp = bpf_prog_get_type_dev(bpf_fd, BPF_PROG_TYPE_SCHED_CLS, skip_sw);
394 if (IS_ERR(fp))
395 return PTR_ERR(fp);
396
397 if (tb[TCA_BPF_NAME]) {
398 name = nla_memdup(tb[TCA_BPF_NAME], GFP_KERNEL);
399 if (!name) {
400 bpf_prog_put(fp);
401 return -ENOMEM;

--- 292 unchanged lines hidden --- 		392 if (IS_ERR(fp))
393 return PTR_ERR(fp);
394
395 if (tb[TCA_BPF_NAME]) {
396 name = nla_memdup(tb[TCA_BPF_NAME], GFP_KERNEL);
397 if (!name) {
398 bpf_prog_put(fp);
399 return -ENOMEM;

--- 292 unchanged lines hidden ---