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drivers: net: use flow block API

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This patch updates flow_block_cb_setup_simple() to use the flow block API.
Several drivers are also adjusted to use it.

This patch introduces the per-driver list of flow blocks to account for
blocks that are already in use.

Remove tc_block_offload alias.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso
2019-07-09 22:55:46 +02:00
committed by David S. Miller
parent 59094b1e50
commit 955bcb6ea0
25 changed files with 286 additions and 130 deletions
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34
drivers/net/ethernet/mscc/ocelot_tc.c
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@@ -128,35 +128,51 @@ static int ocelot_setup_tc_block_cb_eg(enum tc_setup_type type,
cb_priv, false);
}
static LIST_HEAD(ocelot_block_cb_list);
static int ocelot_setup_tc_block(struct ocelot_port *port,
struct tc_block_offload *f)
struct flow_block_offload *f)
{
struct flow_block_cb *block_cb;
tc_setup_cb_t *cb;
int ret;
int err;
netdev_dbg(port->dev, "tc_block command %d, binder_type %d\n",
f->command, f->binder_type);
if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
cb = ocelot_setup_tc_block_cb_ig;
port->tc.block_shared = tcf_block_shared(f->block);
port->tc.block_shared = f->block_shared;
} else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
cb = ocelot_setup_tc_block_cb_eg;
} else {
return -EOPNOTSUPP;
}
f->driver_block_list = &ocelot_block_cb_list;
switch (f->command) {
case FLOW_BLOCK_BIND:
ret = tcf_block_cb_register(f->block, cb, port,
port, f->extack);
if (ret)
return ret;
block_cb = flow_block_cb_alloc(f->net, cb, port, port, NULL);
if (IS_ERR(block_cb))
return PTR_ERR(block_cb);
return ocelot_setup_tc_block_flower_bind(port, f);
err = ocelot_setup_tc_block_flower_bind(port, f);
if (err < 0) {
flow_block_cb_free(block_cb);
return err;
}
flow_block_cb_add(block_cb, f);
list_add_tail(&block_cb->driver_list, f->driver_block_list);
return 0;
case FLOW_BLOCK_UNBIND:
block_cb = flow_block_cb_lookup(f, cb, port);
if (!block_cb)
return -ENOENT;
ocelot_setup_tc_block_flower_unbind(port, f);
tcf_block_cb_unregister(f->block, cb, port);
flow_block_cb_remove(block_cb, f);
list_del(&block_cb->driver_list);
return 0;
default:
return -EOPNOTSUPP;