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-rw-r--r--drivers/net/ethernet/freescale/dpaa2/Makefile2
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c436
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c261
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h44
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h1
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpsw.c35
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpsw.h3
7 files changed, 768 insertions, 14 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/Makefile b/drivers/net/ethernet/freescale/dpaa2/Makefile
index 644ef9ae02a3..c2ef74052ef8 100644
--- a/drivers/net/ethernet/freescale/dpaa2/Makefile
+++ b/drivers/net/ethernet/freescale/dpaa2/Makefile
@@ -11,7 +11,7 @@ fsl-dpaa2-eth-objs := dpaa2-eth.o dpaa2-ethtool.o dpni.o dpaa2-mac.o dpmac.o dpa
fsl-dpaa2-eth-${CONFIG_FSL_DPAA2_ETH_DCB} += dpaa2-eth-dcb.o
fsl-dpaa2-eth-${CONFIG_DEBUG_FS} += dpaa2-eth-debugfs.o
fsl-dpaa2-ptp-objs := dpaa2-ptp.o dprtc.o
-fsl-dpaa2-switch-objs := dpaa2-switch.o dpaa2-switch-ethtool.o dpsw.o
+fsl-dpaa2-switch-objs := dpaa2-switch.o dpaa2-switch-ethtool.o dpsw.o dpaa2-switch-flower.o
# Needed by the tracing framework
CFLAGS_dpaa2-eth.o := -I$(src)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c
new file mode 100644
index 000000000000..ee987fa02f0d
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c
@@ -0,0 +1,436 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DPAA2 Ethernet Switch flower support
+ *
+ * Copyright 2021 NXP
+ *
+ */
+
+#include "dpaa2-switch.h"
+
+static int dpaa2_switch_flower_parse_key(struct flow_cls_offload *cls,
+ struct dpsw_acl_key *acl_key)
+{
+ struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
+ struct flow_dissector *dissector = rule->match.dissector;
+ struct netlink_ext_ack *extack = cls->common.extack;
+ struct dpsw_acl_fields *acl_h, *acl_m;
+
+ if (dissector->used_keys &
+ ~(BIT(FLOW_DISSECTOR_KEY_BASIC) |
+ BIT(FLOW_DISSECTOR_KEY_CONTROL) |
+ BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
+ BIT(FLOW_DISSECTOR_KEY_VLAN) |
+ BIT(FLOW_DISSECTOR_KEY_PORTS) |
+ BIT(FLOW_DISSECTOR_KEY_IP) |
+ BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
+ BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS))) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Unsupported keys used");
+ return -EOPNOTSUPP;
+ }
+
+ acl_h = &acl_key->match;
+ acl_m = &acl_key->mask;
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
+ struct flow_match_basic match;
+
+ flow_rule_match_basic(rule, &match);
+ acl_h->l3_protocol = match.key->ip_proto;
+ acl_h->l2_ether_type = be16_to_cpu(match.key->n_proto);
+ acl_m->l3_protocol = match.mask->ip_proto;
+ acl_m->l2_ether_type = be16_to_cpu(match.mask->n_proto);
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+ struct flow_match_eth_addrs match;
+
+ flow_rule_match_eth_addrs(rule, &match);
+ ether_addr_copy(acl_h->l2_dest_mac, &match.key->dst[0]);
+ ether_addr_copy(acl_h->l2_source_mac, &match.key->src[0]);
+ ether_addr_copy(acl_m->l2_dest_mac, &match.mask->dst[0]);
+ ether_addr_copy(acl_m->l2_source_mac, &match.mask->src[0]);
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+ struct flow_match_vlan match;
+
+ flow_rule_match_vlan(rule, &match);
+ acl_h->l2_vlan_id = match.key->vlan_id;
+ acl_h->l2_tpid = be16_to_cpu(match.key->vlan_tpid);
+ acl_h->l2_pcp_dei = match.key->vlan_priority << 1 |
+ match.key->vlan_dei;
+
+ acl_m->l2_vlan_id = match.mask->vlan_id;
+ acl_m->l2_tpid = be16_to_cpu(match.mask->vlan_tpid);
+ acl_m->l2_pcp_dei = match.mask->vlan_priority << 1 |
+ match.mask->vlan_dei;
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
+ struct flow_match_ipv4_addrs match;
+
+ flow_rule_match_ipv4_addrs(rule, &match);
+ acl_h->l3_source_ip = be32_to_cpu(match.key->src);
+ acl_h->l3_dest_ip = be32_to_cpu(match.key->dst);
+ acl_m->l3_source_ip = be32_to_cpu(match.mask->src);
+ acl_m->l3_dest_ip = be32_to_cpu(match.mask->dst);
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
+ struct flow_match_ports match;
+
+ flow_rule_match_ports(rule, &match);
+ acl_h->l4_source_port = be16_to_cpu(match.key->src);
+ acl_h->l4_dest_port = be16_to_cpu(match.key->dst);
+ acl_m->l4_source_port = be16_to_cpu(match.mask->src);
+ acl_m->l4_dest_port = be16_to_cpu(match.mask->dst);
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
+ struct flow_match_ip match;
+
+ flow_rule_match_ip(rule, &match);
+ if (match.mask->ttl != 0) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Matching on TTL not supported");
+ return -EOPNOTSUPP;
+ }
+
+ if ((match.mask->tos & 0x3) != 0) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Matching on ECN not supported, only DSCP");
+ return -EOPNOTSUPP;
+ }
+
+ acl_h->l3_dscp = match.key->tos >> 2;
+ acl_m->l3_dscp = match.mask->tos >> 2;
+ }
+
+ return 0;
+}
+
+static int dpaa2_switch_acl_entry_add(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry)
+{
+ struct dpsw_acl_entry_cfg *acl_entry_cfg = &entry->cfg;
+ struct ethsw_core *ethsw = acl_tbl->ethsw;
+ struct dpsw_acl_key *acl_key = &entry->key;
+ struct device *dev = ethsw->dev;
+ u8 *cmd_buff;
+ int err;
+
+ cmd_buff = kzalloc(DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE, GFP_KERNEL);
+ if (!cmd_buff)
+ return -ENOMEM;
+
+ dpsw_acl_prepare_entry_cfg(acl_key, cmd_buff);
+
+ acl_entry_cfg->key_iova = dma_map_single(dev, cmd_buff,
+ DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE,
+ DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(dev, acl_entry_cfg->key_iova))) {
+ dev_err(dev, "DMA mapping failed\n");
+ return -EFAULT;
+ }
+
+ err = dpsw_acl_add_entry(ethsw->mc_io, 0, ethsw->dpsw_handle,
+ acl_tbl->id, acl_entry_cfg);
+
+ dma_unmap_single(dev, acl_entry_cfg->key_iova, sizeof(cmd_buff),
+ DMA_TO_DEVICE);
+ if (err) {
+ dev_err(dev, "dpsw_acl_add_entry() failed %d\n", err);
+ return err;
+ }
+
+ kfree(cmd_buff);
+
+ return 0;
+}
+
+static int dpaa2_switch_acl_entry_remove(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry)
+{
+ struct dpsw_acl_entry_cfg *acl_entry_cfg = &entry->cfg;
+ struct dpsw_acl_key *acl_key = &entry->key;
+ struct ethsw_core *ethsw = acl_tbl->ethsw;
+ struct device *dev = ethsw->dev;
+ u8 *cmd_buff;
+ int err;
+
+ cmd_buff = kzalloc(DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE, GFP_KERNEL);
+ if (!cmd_buff)
+ return -ENOMEM;
+
+ dpsw_acl_prepare_entry_cfg(acl_key, cmd_buff);
+
+ acl_entry_cfg->key_iova = dma_map_single(dev, cmd_buff,
+ DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE,
+ DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(dev, acl_entry_cfg->key_iova))) {
+ dev_err(dev, "DMA mapping failed\n");
+ return -EFAULT;
+ }
+
+ err = dpsw_acl_remove_entry(ethsw->mc_io, 0, ethsw->dpsw_handle,
+ acl_tbl->id, acl_entry_cfg);
+
+ dma_unmap_single(dev, acl_entry_cfg->key_iova, sizeof(cmd_buff),
+ DMA_TO_DEVICE);
+ if (err) {
+ dev_err(dev, "dpsw_acl_remove_entry() failed %d\n", err);
+ return err;
+ }
+
+ kfree(cmd_buff);
+
+ return 0;
+}
+
+static int
+dpaa2_switch_acl_entry_add_to_list(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry)
+{
+ struct dpaa2_switch_acl_entry *tmp;
+ struct list_head *pos, *n;
+ int index = 0;
+
+ if (list_empty(&acl_tbl->entries)) {
+ list_add(&entry->list, &acl_tbl->entries);
+ return index;
+ }
+
+ list_for_each_safe(pos, n, &acl_tbl->entries) {
+ tmp = list_entry(pos, struct dpaa2_switch_acl_entry, list);
+ if (entry->prio < tmp->prio)
+ break;
+ index++;
+ }
+ list_add(&entry->list, pos->prev);
+ return index;
+}
+
+static struct dpaa2_switch_acl_entry*
+dpaa2_switch_acl_entry_get_by_index(struct dpaa2_switch_acl_tbl *acl_tbl,
+ int index)
+{
+ struct dpaa2_switch_acl_entry *tmp;
+ int i = 0;
+
+ list_for_each_entry(tmp, &acl_tbl->entries, list) {
+ if (i == index)
+ return tmp;
+ ++i;
+ }
+
+ return NULL;
+}
+
+static int
+dpaa2_switch_acl_entry_set_precedence(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry,
+ int precedence)
+{
+ int err;
+
+ err = dpaa2_switch_acl_entry_remove(acl_tbl, entry);
+ if (err)
+ return err;
+
+ entry->cfg.precedence = precedence;
+ return dpaa2_switch_acl_entry_add(acl_tbl, entry);
+}
+
+static int dpaa2_switch_acl_tbl_add_entry(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry)
+{
+ struct dpaa2_switch_acl_entry *tmp;
+ int index, i, precedence, err;
+
+ /* Add the new ACL entry to the linked list and get its index */
+ index = dpaa2_switch_acl_entry_add_to_list(acl_tbl, entry);
+
+ /* Move up in priority the ACL entries to make space
+ * for the new filter.
+ */
+ precedence = DPAA2_ETHSW_PORT_MAX_ACL_ENTRIES - acl_tbl->num_rules - 1;
+ for (i = 0; i < index; i++) {
+ tmp = dpaa2_switch_acl_entry_get_by_index(acl_tbl, i);
+
+ err = dpaa2_switch_acl_entry_set_precedence(acl_tbl, tmp,
+ precedence);
+ if (err)
+ return err;
+
+ precedence++;
+ }
+
+ /* Add the new entry to hardware */
+ entry->cfg.precedence = precedence;
+ err = dpaa2_switch_acl_entry_add(acl_tbl, entry);
+ acl_tbl->num_rules++;
+
+ return err;
+}
+
+static struct dpaa2_switch_acl_entry *
+dpaa2_switch_acl_tbl_find_entry_by_cookie(struct dpaa2_switch_acl_tbl *acl_tbl,
+ unsigned long cookie)
+{
+ struct dpaa2_switch_acl_entry *tmp, *n;
+
+ list_for_each_entry_safe(tmp, n, &acl_tbl->entries, list) {
+ if (tmp->cookie == cookie)
+ return tmp;
+ }
+ return NULL;
+}
+
+static int
+dpaa2_switch_acl_entry_get_index(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry)
+{
+ struct dpaa2_switch_acl_entry *tmp, *n;
+ int index = 0;
+
+ list_for_each_entry_safe(tmp, n, &acl_tbl->entries, list) {
+ if (tmp->cookie == entry->cookie)
+ return index;
+ index++;
+ }
+ return -ENOENT;
+}
+
+static int
+dpaa2_switch_acl_tbl_remove_entry(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct dpaa2_switch_acl_entry *entry)
+{
+ struct dpaa2_switch_acl_entry *tmp;
+ int index, i, precedence, err;
+
+ index = dpaa2_switch_acl_entry_get_index(acl_tbl, entry);
+
+ /* Remove from hardware the ACL entry */
+ err = dpaa2_switch_acl_entry_remove(acl_tbl, entry);
+ if (err)
+ return err;
+
+ acl_tbl->num_rules--;
+
+ /* Remove it from the list also */
+ list_del(&entry->list);
+
+ /* Move down in priority the entries over the deleted one */
+ precedence = entry->cfg.precedence;
+ for (i = index - 1; i >= 0; i--) {
+ tmp = dpaa2_switch_acl_entry_get_by_index(acl_tbl, i);
+ err = dpaa2_switch_acl_entry_set_precedence(acl_tbl, tmp,
+ precedence);
+ if (err)
+ return err;
+
+ precedence--;
+ }
+
+ kfree(entry);
+
+ return 0;
+}
+
+static int dpaa2_switch_tc_parse_action(struct ethsw_core *ethsw,
+ struct flow_action_entry *cls_act,
+ struct dpsw_acl_result *dpsw_act,
+ struct netlink_ext_ack *extack)
+{
+ int err = 0;
+
+ switch (cls_act->id) {
+ case FLOW_ACTION_TRAP:
+ dpsw_act->action = DPSW_ACL_ACTION_REDIRECT_TO_CTRL_IF;
+ break;
+ case FLOW_ACTION_REDIRECT:
+ if (!dpaa2_switch_port_dev_check(cls_act->dev)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Destination not a DPAA2 switch port");
+ return -EOPNOTSUPP;
+ }
+
+ dpsw_act->if_id = dpaa2_switch_get_index(ethsw, cls_act->dev);
+ dpsw_act->action = DPSW_ACL_ACTION_REDIRECT;
+ break;
+ case FLOW_ACTION_DROP:
+ dpsw_act->action = DPSW_ACL_ACTION_DROP;
+ break;
+ default:
+ NL_SET_ERR_MSG_MOD(extack,
+ "Action not supported");
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+out:
+ return err;
+}
+
+int dpaa2_switch_cls_flower_replace(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct flow_cls_offload *cls)
+{
+ struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
+ struct netlink_ext_ack *extack = cls->common.extack;
+ struct ethsw_core *ethsw = acl_tbl->ethsw;
+ struct dpaa2_switch_acl_entry *acl_entry;
+ struct flow_action_entry *act;
+ int err;
+
+ if (!flow_offload_has_one_action(&rule->action)) {
+ NL_SET_ERR_MSG(extack, "Only singular actions are supported");
+ return -EOPNOTSUPP;
+ }
+
+ if (dpaa2_switch_acl_tbl_is_full(acl_tbl)) {
+ NL_SET_ERR_MSG(extack, "Maximum filter capacity reached");
+ return -ENOMEM;
+ }
+
+ acl_entry = kzalloc(sizeof(*acl_entry), GFP_KERNEL);
+ if (!acl_entry)
+ return -ENOMEM;
+
+ err = dpaa2_switch_flower_parse_key(cls, &acl_entry->key);
+ if (err)
+ goto free_acl_entry;
+
+ act = &rule->action.entries[0];
+ err = dpaa2_switch_tc_parse_action(ethsw, act,
+ &acl_entry->cfg.result, extack);
+ if (err)
+ goto free_acl_entry;
+
+ acl_entry->prio = cls->common.prio;
+ acl_entry->cookie = cls->cookie;
+
+ err = dpaa2_switch_acl_tbl_add_entry(acl_tbl, acl_entry);
+ if (err)
+ goto free_acl_entry;
+
+ return 0;
+
+free_acl_entry:
+ kfree(acl_entry);
+
+ return err;
+}
+
+int dpaa2_switch_cls_flower_destroy(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct flow_cls_offload *cls)
+{
+ struct dpaa2_switch_acl_entry *entry;
+
+ entry = dpaa2_switch_acl_tbl_find_entry_by_cookie(acl_tbl, cls->cookie);
+ if (!entry)
+ return 0;
+
+ return dpaa2_switch_acl_tbl_remove_entry(acl_tbl, entry);
+}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
index fc9e2eb0ad11..5080788c692b 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
@@ -14,6 +14,7 @@
#include <linux/kthread.h>
#include <linux/workqueue.h>
#include <linux/iommu.h>
+#include <net/pkt_cls.h>
#include <linux/fsl/mc.h>
@@ -1125,6 +1126,243 @@ err_exit:
return NETDEV_TX_OK;
}
+static int
+dpaa2_switch_setup_tc_cls_flower(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct flow_cls_offload *f)
+{
+ switch (f->command) {
+ case FLOW_CLS_REPLACE:
+ return dpaa2_switch_cls_flower_replace(acl_tbl, f);
+ case FLOW_CLS_DESTROY:
+ return dpaa2_switch_cls_flower_destroy(acl_tbl, f);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int dpaa2_switch_port_setup_tc_block_cb_ig(enum tc_setup_type type,
+ void *type_data,
+ void *cb_priv)
+{
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ return dpaa2_switch_setup_tc_cls_flower(cb_priv, type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static LIST_HEAD(dpaa2_switch_block_cb_list);
+
+static int dpaa2_switch_port_acl_tbl_bind(struct ethsw_port_priv *port_priv,
+ struct dpaa2_switch_acl_tbl *acl_tbl)
+{
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct net_device *netdev = port_priv->netdev;
+ struct dpsw_acl_if_cfg acl_if_cfg;
+ int err;
+
+ if (port_priv->acl_tbl)
+ return -EINVAL;
+
+ acl_if_cfg.if_id[0] = port_priv->idx;
+ acl_if_cfg.num_ifs = 1;
+ err = dpsw_acl_add_if(ethsw->mc_io, 0, ethsw->dpsw_handle,
+ acl_tbl->id, &acl_if_cfg);
+ if (err) {
+ netdev_err(netdev, "dpsw_acl_add_if err %d\n", err);
+ return err;
+ }
+
+ acl_tbl->ports |= BIT(port_priv->idx);
+ port_priv->acl_tbl = acl_tbl;
+
+ return 0;
+}
+
+static int
+dpaa2_switch_port_acl_tbl_unbind(struct ethsw_port_priv *port_priv,
+ struct dpaa2_switch_acl_tbl *acl_tbl)
+{
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct net_device *netdev = port_priv->netdev;
+ struct dpsw_acl_if_cfg acl_if_cfg;
+ int err;
+
+ if (port_priv->acl_tbl != acl_tbl)
+ return -EINVAL;
+
+ acl_if_cfg.if_id[0] = port_priv->idx;
+ acl_if_cfg.num_ifs = 1;
+ err = dpsw_acl_remove_if(ethsw->mc_io, 0, ethsw->dpsw_handle,
+ acl_tbl->id, &acl_if_cfg);
+ if (err) {
+ netdev_err(netdev, "dpsw_acl_add_if err %d\n", err);
+ return err;
+ }
+
+ acl_tbl->ports &= ~BIT(port_priv->idx);
+ port_priv->acl_tbl = NULL;
+ return 0;
+}
+
+static int dpaa2_switch_port_block_bind(struct ethsw_port_priv *port_priv,
+ struct dpaa2_switch_acl_tbl *acl_tbl)
+{
+ struct dpaa2_switch_acl_tbl *old_acl_tbl = port_priv->acl_tbl;
+ int err;
+
+ /* If the port is already bound to this ACL table then do nothing. This
+ * can happen when this port is the first one to join a tc block
+ */
+ if (port_priv->acl_tbl == acl_tbl)
+ return 0;
+
+ err = dpaa2_switch_port_acl_tbl_unbind(port_priv, old_acl_tbl);
+ if (err)
+ return err;
+
+ /* Mark the previous ACL table as being unused if this was the last
+ * port that was using it.
+ */
+ if (old_acl_tbl->ports == 0)
+ old_acl_tbl->in_use = false;
+
+ return dpaa2_switch_port_acl_tbl_bind(port_priv, acl_tbl);
+}
+
+static int dpaa2_switch_port_block_unbind(struct ethsw_port_priv *port_priv,
+ struct dpaa2_switch_acl_tbl *acl_tbl)
+{
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct dpaa2_switch_acl_tbl *new_acl_tbl;
+ int err;
+
+ /* We are the last port that leaves a block (an ACL table).
+ * We'll continue to use this table.
+ */
+ if (acl_tbl->ports == BIT(port_priv->idx))
+ return 0;
+
+ err = dpaa2_switch_port_acl_tbl_unbind(port_priv, acl_tbl);
+ if (err)
+ return err;
+
+ if (acl_tbl->ports == 0)
+ acl_tbl->in_use = false;
+
+ new_acl_tbl = dpaa2_switch_acl_tbl_get_unused(ethsw);
+ new_acl_tbl->in_use = true;
+ return dpaa2_switch_port_acl_tbl_bind(port_priv, new_acl_tbl);
+}
+
+static int dpaa2_switch_setup_tc_block_bind(struct net_device *netdev,
+ struct flow_block_offload *f)
+{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct dpaa2_switch_acl_tbl *acl_tbl;
+ struct flow_block_cb *block_cb;
+ bool register_block = false;
+ int err;
+
+ block_cb = flow_block_cb_lookup(f->block,
+ dpaa2_switch_port_setup_tc_block_cb_ig,
+ ethsw);
+
+ if (!block_cb) {
+ /* If the ACL table is not already known, then this port must
+ * be the first to join it. In this case, we can just continue
+ * to use our private table
+ */
+ acl_tbl = port_priv->acl_tbl;
+
+ block_cb = flow_block_cb_alloc(dpaa2_switch_port_setup_tc_block_cb_ig,
+ ethsw, acl_tbl, NULL);
+ if (IS_ERR(block_cb))
+ return PTR_ERR(block_cb);
+
+ register_block = true;
+ } else {
+ acl_tbl = flow_block_cb_priv(block_cb);
+ }
+
+ flow_block_cb_incref(block_cb);
+ err = dpaa2_switch_port_block_bind(port_priv, acl_tbl);
+ if (err)
+ goto err_block_bind;
+
+ if (register_block) {
+ flow_block_cb_add(block_cb, f);
+ list_add_tail(&block_cb->driver_list,
+ &dpaa2_switch_block_cb_list);
+ }
+
+ return 0;
+
+err_block_bind:
+ if (!flow_block_cb_decref(block_cb))
+ flow_block_cb_free(block_cb);
+ return err;
+}
+
+static void dpaa2_switch_setup_tc_block_unbind(struct net_device *netdev,
+ struct flow_block_offload *f)
+{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct dpaa2_switch_acl_tbl *acl_tbl;
+ struct flow_block_cb *block_cb;
+ int err;
+
+ block_cb = flow_block_cb_lookup(f->block,
+ dpaa2_switch_port_setup_tc_block_cb_ig,
+ ethsw);
+ if (!block_cb)
+ return;
+
+ acl_tbl = flow_block_cb_priv(block_cb);
+ err = dpaa2_switch_port_block_unbind(port_priv, acl_tbl);
+ if (!err && !flow_block_cb_decref(block_cb)) {
+ flow_block_cb_remove(block_cb, f);
+ list_del(&block_cb->driver_list);
+ }
+}
+
+static int dpaa2_switch_setup_tc_block(struct net_device *netdev,
+ struct flow_block_offload *f)
+{
+ if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
+ return -EOPNOTSUPP;
+
+ f->driver_block_list = &dpaa2_switch_block_cb_list;
+
+ switch (f->command) {
+ case FLOW_BLOCK_BIND:
+ return dpaa2_switch_setup_tc_block_bind(netdev, f);
+ case FLOW_BLOCK_UNBIND:
+ dpaa2_switch_setup_tc_block_unbind(netdev, f);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int dpaa2_switch_port_setup_tc(struct net_device *netdev,
+ enum tc_setup_type type,
+ void *type_data)
+{
+ switch (type) {
+ case TC_SETUP_BLOCK: {
+ return dpaa2_switch_setup_tc_block(netdev, type_data);
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
static const struct net_device_ops dpaa2_switch_port_ops = {
.ndo_open = dpaa2_switch_port_open,
.ndo_stop = dpaa2_switch_port_stop,
@@ -1141,6 +1379,7 @@ static const struct net_device_ops dpaa2_switch_port_ops = {
.ndo_start_xmit = dpaa2_switch_port_tx,
.ndo_get_port_parent_id = dpaa2_switch_port_parent_id,
.ndo_get_phys_port_name = dpaa2_switch_port_get_phys_name,
+ .ndo_setup_tc = dpaa2_switch_port_setup_tc,
};
bool dpaa2_switch_port_dev_check(const struct net_device *netdev)
@@ -2749,7 +2988,6 @@ static int dpaa2_switch_port_init(struct ethsw_port_priv *port_priv, u16 port)
struct ethsw_core *ethsw = port_priv->ethsw_data;
struct dpaa2_switch_acl_tbl *acl_tbl;
struct dpsw_fdb_cfg fdb_cfg = {0};
- struct dpsw_acl_if_cfg acl_if_cfg;
struct dpsw_if_attr dpsw_if_attr;
struct dpaa2_switch_fdb *fdb;
struct dpsw_acl_cfg acl_cfg;
@@ -2803,21 +3041,16 @@ static int dpaa2_switch_port_init(struct ethsw_port_priv *port_priv, u16 port)
return err;
}
- acl_if_cfg.if_id[0] = port_priv->idx;
- acl_if_cfg.num_ifs = 1;
- err = dpsw_acl_add_if(ethsw->mc_io, 0, ethsw->dpsw_handle,
- acl_tbl_id, &acl_if_cfg);
- if (err) {
- netdev_err(netdev, "dpsw_acl_add_if err %d\n", err);
- dpsw_acl_remove(ethsw->mc_io, 0, ethsw->dpsw_handle,
- acl_tbl_id);
- }
-
acl_tbl = dpaa2_switch_acl_tbl_get_unused(ethsw);
+ acl_tbl->ethsw = ethsw;
acl_tbl->id = acl_tbl_id;
acl_tbl->in_use = true;
acl_tbl->num_rules = 0;
- port_priv->acl_tbl = acl_tbl;
+ INIT_LIST_HEAD(&acl_tbl->entries);
+
+ err = dpaa2_switch_port_acl_tbl_bind(port_priv, acl_tbl);
+ if (err)
+ return err;
err = dpaa2_switch_port_trap_mac_addr(port_priv, stpa);
if (err)
@@ -2927,7 +3160,9 @@ static int dpaa2_switch_probe_port(struct ethsw_core *ethsw,
/* The DPAA2 switch's ingress path depends on the VLAN table,
* thus we are not able to disable VLAN filtering.
*/
- port_netdev->features = NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER;
+ port_netdev->features = NETIF_F_HW_VLAN_CTAG_FILTER |
+ NETIF_F_HW_VLAN_STAG_FILTER |
+ NETIF_F_HW_TC;
err = dpaa2_switch_port_init(port_priv, port_idx);
if (err)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
index a2c0ff23c7e9..629186208b58 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
@@ -80,6 +80,8 @@
(DPAA2_SWITCH_TX_DATA_OFFSET + DPAA2_SWITCH_TX_BUF_ALIGN)
#define DPAA2_ETHSW_PORT_MAX_ACL_ENTRIES 16
+#define DPAA2_ETHSW_PORT_DEFAULT_TRAPS 1
+
#define DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE 256
extern const struct ethtool_ops dpaa2_switch_port_ethtool_ops;
@@ -101,12 +103,34 @@ struct dpaa2_switch_fdb {
bool in_use;
};
+struct dpaa2_switch_acl_entry {
+ struct list_head list;
+ u16 prio;
+ unsigned long cookie;
+
+ struct dpsw_acl_entry_cfg cfg;
+ struct dpsw_acl_key key;
+};
+
struct dpaa2_switch_acl_tbl {
+ struct list_head entries;
+ struct ethsw_core *ethsw;
+ u64 ports;
+
u16 id;
u8 num_rules;
bool in_use;
};
+static inline bool
+dpaa2_switch_acl_tbl_is_full(struct dpaa2_switch_acl_tbl *acl_tbl)
+{
+ if ((acl_tbl->num_rules + DPAA2_ETHSW_PORT_DEFAULT_TRAPS) >=
+ DPAA2_ETHSW_PORT_MAX_ACL_ENTRIES)
+ return true;
+ return false;
+}
+
/* Per port private data */
struct ethsw_port_priv {
struct net_device *netdev;
@@ -153,6 +177,18 @@ struct ethsw_core {
struct dpaa2_switch_acl_tbl *acls;
};
+static inline int dpaa2_switch_get_index(struct ethsw_core *ethsw,
+ struct net_device *netdev)
+{
+ int i;
+
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++)
+ if (ethsw->ports[i]->netdev == netdev)
+ return ethsw->ports[i]->idx;
+
+ return -EINVAL;
+}
+
static inline bool dpaa2_switch_supports_cpu_traffic(struct ethsw_core *ethsw)
{
if (ethsw->sw_attr.options & DPSW_OPT_CTRL_IF_DIS) {
@@ -189,4 +225,12 @@ int dpaa2_switch_port_vlans_del(struct net_device *netdev,
typedef int dpaa2_switch_fdb_cb_t(struct ethsw_port_priv *port_priv,
struct fdb_dump_entry *fdb_entry,
void *data);
+
+/* TC offload */
+
+int dpaa2_switch_cls_flower_replace(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct flow_cls_offload *cls);
+
+int dpaa2_switch_cls_flower_destroy(struct dpaa2_switch_acl_tbl *acl_tbl,
+ struct flow_cls_offload *cls);
#endif /* __ETHSW_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
index 1747cee19a72..cb13e740f72b 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
@@ -77,6 +77,7 @@
#define DPSW_CMDID_ACL_ADD DPSW_CMD_ID(0x090)
#define DPSW_CMDID_ACL_REMOVE DPSW_CMD_ID(0x091)
#define DPSW_CMDID_ACL_ADD_ENTRY DPSW_CMD_ID(0x092)
+#define DPSW_CMDID_ACL_REMOVE_ENTRY DPSW_CMD_ID(0x093)
#define DPSW_CMDID_ACL_ADD_IF DPSW_CMD_ID(0x094)
#define DPSW_CMDID_ACL_REMOVE_IF DPSW_CMD_ID(0x095)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw.c b/drivers/net/ethernet/freescale/dpaa2/dpsw.c
index 6704efe89bc1..6352d6d1ecba 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw.c
@@ -1544,3 +1544,38 @@ int dpsw_acl_add_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
return mc_send_command(mc_io, &cmd);
}
+
+/**
+ * dpsw_acl_remove_entry() - Removes an entry from ACL.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @acl_id: ACL ID
+ * @cfg: Entry configuration
+ *
+ * warning: This function has to be called after dpsw_acl_set_entry_cfg()
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpsw_acl_remove_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+ u16 acl_id, const struct dpsw_acl_entry_cfg *cfg)
+{
+ struct dpsw_cmd_acl_entry *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPSW_CMDID_ACL_REMOVE_ENTRY,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpsw_cmd_acl_entry *)cmd.params;
+ cmd_params->acl_id = cpu_to_le16(acl_id);
+ cmd_params->result_if_id = cpu_to_le16(cfg->result.if_id);
+ cmd_params->precedence = cpu_to_le32(cfg->precedence);
+ cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+ dpsw_set_field(cmd_params->result_action,
+ RESULT_ACTION,
+ cfg->result.action);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw.h b/drivers/net/ethernet/freescale/dpaa2/dpsw.h
index 08e37c475ae8..5ef221a25b02 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw.h
@@ -749,4 +749,7 @@ void dpsw_acl_prepare_entry_cfg(const struct dpsw_acl_key *key,
int dpsw_acl_add_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
u16 acl_id, const struct dpsw_acl_entry_cfg *cfg);
+
+int dpsw_acl_remove_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+ u16 acl_id, const struct dpsw_acl_entry_cfg *cfg);
#endif /* __FSL_DPSW_H */
generated by cgit (git 2.34.1) at 2024-05-22 17:42:11 +0000