net: mscc: ocelot: move net_device related functions to ocelot_net.c

The ocelot hardware library shouldn't contain too much net_device
specific code, since it is shared with DSA which abstracts that
structure away. So much as much of this code as possible into the
mscc_ocelot driver and outside of the common library.

We're making an exception for MDB and LAG code. That is not yet exported
to DSA, but when it will, most of the code that's already in ocelot.c
will remain there. So, there's no point in moving code to ocelot_net.c
just to move it back later.

We could have moved all net_device code to ocelot_vsc7514.c directly,
but let's operate under the assumption that if a new switchdev ocelot
driver gets added, it'll define its SoC-specific stuff in a new
ocelot_vsc*.c file and it'll reuse the rest of the code.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 179 deletions

diff --git a/drivers/net/ethernet/mscc/ocelot_tc.c b/drivers/net/ethernet/mscc/ocelot_tc.c
deleted file mode 100644
index b7baf7624e18..000000000000
--- a/drivers/net/ethernet/mscc/ocelot_tc.c
+++ /dev/null
@@ -1,179 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
-/* Microsemi Ocelot Switch TC driver
- *
- * Copyright (c) 2019 Microsemi Corporation
- */
-
-#include <soc/mscc/ocelot.h>
-#include "ocelot_tc.h"
-#include "ocelot_ace.h"
-#include <net/pkt_cls.h>
-
-static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
-					struct tc_cls_matchall_offload *f,
-					bool ingress)
-{
-	struct netlink_ext_ack *extack = f->common.extack;
-	struct ocelot *ocelot = priv->port.ocelot;
-	struct ocelot_policer pol = { 0 };
-	struct flow_action_entry *action;
-	int port = priv->chip_port;
-	int err;
-
-	if (!ingress) {
-		NL_SET_ERR_MSG_MOD(extack, "Only ingress is supported");
-		return -EOPNOTSUPP;
-	}
-
-	switch (f->command) {
-	case TC_CLSMATCHALL_REPLACE:
-		if (!flow_offload_has_one_action(&f->rule->action)) {
-			NL_SET_ERR_MSG_MOD(extack,
-					   "Only one action is supported");
-			return -EOPNOTSUPP;
-		}
-
-		if (priv->tc.block_shared) {
-			NL_SET_ERR_MSG_MOD(extack,
-					   "Rate limit is not supported on shared blocks");
-			return -EOPNOTSUPP;
-		}
-
-		action = &f->rule->action.entries[0];
-
-		if (action->id != FLOW_ACTION_POLICE) {
-			NL_SET_ERR_MSG_MOD(extack, "Unsupported action");
-			return -EOPNOTSUPP;
-		}
-
-		if (priv->tc.police_id && priv->tc.police_id != f->cookie) {
-			NL_SET_ERR_MSG_MOD(extack,
-					   "Only one policer per port is supported");
-			return -EEXIST;
-		}
-
-		pol.rate = (u32)div_u64(action->police.rate_bytes_ps, 1000) * 8;
-		pol.burst = (u32)div_u64(action->police.rate_bytes_ps *
-					 PSCHED_NS2TICKS(action->police.burst),
-					 PSCHED_TICKS_PER_SEC);
-
-		err = ocelot_port_policer_add(ocelot, port, &pol);
-		if (err) {
-			NL_SET_ERR_MSG_MOD(extack, "Could not add policer");
-			return err;
-		}
-
-		priv->tc.police_id = f->cookie;
-		priv->tc.offload_cnt++;
-		return 0;
-	case TC_CLSMATCHALL_DESTROY:
-		if (priv->tc.police_id != f->cookie)
-			return -ENOENT;
-
-		err = ocelot_port_policer_del(ocelot, port);
-		if (err) {
-			NL_SET_ERR_MSG_MOD(extack,
-					   "Could not delete policer");
-			return err;
-		}
-		priv->tc.police_id = 0;
-		priv->tc.offload_cnt--;
-		return 0;
-	case TC_CLSMATCHALL_STATS: /* fall through */
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static int ocelot_setup_tc_block_cb(enum tc_setup_type type,
-				    void *type_data,
-				    void *cb_priv, bool ingress)
-{
-	struct ocelot_port_private *priv = cb_priv;
-
-	if (!tc_cls_can_offload_and_chain0(priv->dev, type_data))
-		return -EOPNOTSUPP;
-
-	switch (type) {
-	case TC_SETUP_CLSMATCHALL:
-		return ocelot_setup_tc_cls_matchall(priv, type_data, ingress);
-	case TC_SETUP_CLSFLOWER:
-		return ocelot_setup_tc_cls_flower(priv, type_data, ingress);
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static int ocelot_setup_tc_block_cb_ig(enum tc_setup_type type,
-				       void *type_data,
-				       void *cb_priv)
-{
-	return ocelot_setup_tc_block_cb(type, type_data,
-					cb_priv, true);
-}
-
-static int ocelot_setup_tc_block_cb_eg(enum tc_setup_type type,
-				       void *type_data,
-				       void *cb_priv)
-{
-	return ocelot_setup_tc_block_cb(type, type_data,
-					cb_priv, false);
-}
-
-static LIST_HEAD(ocelot_block_cb_list);
-
-static int ocelot_setup_tc_block(struct ocelot_port_private *priv,
-				 struct flow_block_offload *f)
-{
-	struct flow_block_cb *block_cb;
-	flow_setup_cb_t *cb;
-
-	if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
-		cb = ocelot_setup_tc_block_cb_ig;
-		priv->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:
-		if (flow_block_cb_is_busy(cb, priv, &ocelot_block_cb_list))
-			return -EBUSY;
-
-		block_cb = flow_block_cb_alloc(cb, priv, priv, NULL);
-		if (IS_ERR(block_cb))
-			return PTR_ERR(block_cb);
-
-		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->block, cb, priv);
-		if (!block_cb)
-			return -ENOENT;
-
-		flow_block_cb_remove(block_cb, f);
-		list_del(&block_cb->driver_list);
-		return 0;
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-int ocelot_setup_tc(struct net_device *dev, enum tc_setup_type type,
-		    void *type_data)
-{
-	struct ocelot_port_private *priv = netdev_priv(dev);
-
-	switch (type) {
-	case TC_SETUP_BLOCK:
-		return ocelot_setup_tc_block(priv, type_data);
-	default:
-		return -EOPNOTSUPP;
-	}
-	return 0;
-}