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net: sched: cls_bpf: call block callbacks for offload
Use the newly introduced callbacks infrastructure and call block callbacks alongside with the existing per-netdev ndo_setup_tc. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
245dc5121a
commit
3f7889c4c7
1 changed files with 32 additions and 8 deletions
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@ -147,7 +147,10 @@ static bool cls_bpf_is_ebpf(const struct cls_bpf_prog *prog)
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static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
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enum tc_clsbpf_command cmd)
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{
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bool addorrep = cmd == TC_CLSBPF_ADD || cmd == TC_CLSBPF_REPLACE;
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struct net_device *dev = tp->q->dev_queue->dev;
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struct tcf_block *block = tp->chain->block;
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bool skip_sw = tc_skip_sw(prog->gen_flags);
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struct tc_cls_bpf_offload cls_bpf = {};
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int err;
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@ -159,17 +162,38 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
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cls_bpf.exts_integrated = prog->exts_integrated;
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cls_bpf.gen_flags = prog->gen_flags;
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err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_CLSBPF, &cls_bpf);
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if (!err && (cmd == TC_CLSBPF_ADD || cmd == TC_CLSBPF_REPLACE))
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prog->gen_flags |= TCA_CLS_FLAGS_IN_HW;
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if (tc_can_offload(dev)) {
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err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_CLSBPF,
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&cls_bpf);
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if (addorrep) {
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if (err) {
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if (skip_sw)
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return err;
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} else {
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prog->gen_flags |= TCA_CLS_FLAGS_IN_HW;
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}
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}
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}
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err = tc_setup_cb_call(block, NULL, TC_SETUP_CLSBPF, &cls_bpf, skip_sw);
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if (addorrep) {
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if (err < 0) {
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cls_bpf_offload_cmd(tp, prog, TC_CLSBPF_DESTROY);
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return err;
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} else if (err > 0) {
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prog->gen_flags |= TCA_CLS_FLAGS_IN_HW;
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}
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}
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if (addorrep && skip_sw && !(prog->gen_flags && TCA_CLS_FLAGS_IN_HW))
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return -EINVAL;
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return 0;
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}
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static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
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struct cls_bpf_prog *oldprog)
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{
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struct net_device *dev = tp->q->dev_queue->dev;
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struct cls_bpf_prog *obj = prog;
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enum tc_clsbpf_command cmd;
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bool skip_sw;
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@ -179,7 +203,7 @@ static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
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(oldprog && tc_skip_sw(oldprog->gen_flags));
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if (oldprog && oldprog->offloaded) {
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if (tc_should_offload(dev, prog->gen_flags)) {
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if (!tc_skip_hw(prog->gen_flags)) {
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cmd = TC_CLSBPF_REPLACE;
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} else if (!tc_skip_sw(prog->gen_flags)) {
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obj = oldprog;
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@ -188,14 +212,14 @@ static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
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return -EINVAL;
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}
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} else {
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if (!tc_should_offload(dev, prog->gen_flags))
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if (tc_skip_hw(prog->gen_flags))
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return skip_sw ? -EINVAL : 0;
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cmd = TC_CLSBPF_ADD;
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}
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ret = cls_bpf_offload_cmd(tp, obj, cmd);
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if (ret)
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return skip_sw ? ret : 0;
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return ret;
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obj->offloaded = true;
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if (oldprog)
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