Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 10cbc684 authored by Amir Vadai's avatar Amir Vadai Committed by David S. Miller
Browse files

net/sched: cls_flower: Hardware offloaded filters statistics support



Introduce a new command in ndo_setup_tc() for hardware offloaded
filters, to call the NIC driver, and make it update the statistics.
This will be done before dumping the filter and its statistics.

Signed-off-by: default avatarAmir Vadai <amirva@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9fea47d9
Loading
Loading
Loading
Loading
+1 −0
Original line number Diff line number Diff line
@@ -426,6 +426,7 @@ static inline bool tc_flags_valid(u32 flags)
enum tc_fl_command {
	TC_CLSFLOWER_REPLACE,
	TC_CLSFLOWER_DESTROY,
	TC_CLSFLOWER_STATS,
};

struct tc_cls_flower_offload {
+21 −0
Original line number Diff line number Diff line
@@ -210,6 +210,25 @@ static void fl_hw_replace_filter(struct tcf_proto *tp,
	dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol, &tc);
}

static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
{
	struct net_device *dev = tp->q->dev_queue->dev;
	struct tc_cls_flower_offload offload = {0};
	struct tc_to_netdev tc;

	if (!tc_should_offload(dev, 0))
		return;

	offload.command = TC_CLSFLOWER_STATS;
	offload.cookie = (unsigned long)f;
	offload.exts = &f->exts;

	tc.type = TC_SETUP_CLSFLOWER;
	tc.cls_flower = &offload;

	dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol, &tc);
}

static bool fl_destroy(struct tcf_proto *tp, bool force)
{
	struct cls_fl_head *head = rtnl_dereference(tp->root);
@@ -662,6 +681,8 @@ static int fl_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
			goto nla_put_failure;
	}

	fl_hw_update_stats(tp, f);

	if (fl_dump_key_val(skb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
			    mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK,
			    sizeof(key->eth.dst)) ||