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authorOr Gerlitz <ogerlitz@mellanox.com>2017-02-16 11:31:16 +0300
committerDavid S. Miller <davem@davemloft.net>2017-02-17 20:08:06 +0300
commit5cecb6cc008148b4afc51f7bacfa753e1a957483 (patch)
tree3dad0f58aa0ca2b58d7be4ef9a51ceeadac4a06b /net/sched
parent24d3dc6d27eae19f422a5e216e25d3a16628d4ff (diff)
downloadlinux-5cecb6cc008148b4afc51f7bacfa753e1a957483.tar.xz
net/sched: cls_bpf: Reflect HW offload status
BPF classifier support for the "in hw" offloading flags. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Reviewed-by: Amir Vadai <amir@vadai.me> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_bpf.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index d9c97018317d..80f688436dd7 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -148,6 +148,7 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
struct net_device *dev = tp->q->dev_queue->dev;
struct tc_cls_bpf_offload bpf_offload = {};
struct tc_to_netdev offload;
+ int err;
offload.type = TC_SETUP_CLSBPF;
offload.cls_bpf = &bpf_offload;
@@ -159,8 +160,13 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
bpf_offload.exts_integrated = prog->exts_integrated;
bpf_offload.gen_flags = prog->gen_flags;
- return dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
- tp->protocol, &offload);
+ err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
+ tp->protocol, &offload);
+
+ if (!err && (cmd == TC_CLSBPF_ADD || cmd == TC_CLSBPF_REPLACE))
+ prog->gen_flags |= TCA_CLS_FLAGS_IN_HW;
+
+ return err;
}
static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
@@ -511,6 +517,9 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
return ret;
}
+ if (!tc_in_hw(prog->gen_flags))
+ prog->gen_flags |= TCA_CLS_FLAGS_NOT_IN_HW;
+
if (oldprog) {
list_replace_rcu(&oldprog->link, &prog->link);
tcf_unbind_filter(tp, &oldprog->res);