@@ -397,7 +397,7 @@ static int prueth_emac_buffer_setup(struct prueth_emac *emac)
return 0;
}
-static void icssg_init_emac_mode(struct prueth *prueth)
+void icssg_init_emac_mode(struct prueth *prueth)
{
/* When the device is configured as a bridge and it is being brought
* back to the emac mode, the host mac address has to be set as 0.
@@ -406,9 +406,6 @@ static void icssg_init_emac_mode(struct prueth *prueth)
int i;
u8 mac[ETH_ALEN] = { 0 };
- if (prueth->emacs_initialized)
- return;
-
/* Set VLAN TABLE address base */
regmap_update_bits(prueth->miig_rt, FDB_GEN_CFG1, SMEM_VLAN_OFFSET_MASK,
addr << SMEM_VLAN_OFFSET);
@@ -423,15 +420,13 @@ static void icssg_init_emac_mode(struct prueth *prueth)
/* Clear host MAC address */
icssg_class_set_host_mac_addr(prueth->miig_rt, mac);
}
+EXPORT_SYMBOL_GPL(icssg_init_emac_mode);
-static void icssg_init_fw_offload_mode(struct prueth *prueth)
+void icssg_init_fw_offload_mode(struct prueth *prueth)
{
u32 addr = prueth->shram.pa + EMAC_ICSSG_SWITCH_DEFAULT_VLAN_TABLE_OFFSET;
int i;
- if (prueth->emacs_initialized)
- return;
-
/* Set VLAN TABLE address base */
regmap_update_bits(prueth->miig_rt, FDB_GEN_CFG1, SMEM_VLAN_OFFSET_MASK,
addr << SMEM_VLAN_OFFSET);
@@ -448,6 +443,7 @@ static void icssg_init_fw_offload_mode(struct prueth *prueth)
icssg_class_set_host_mac_addr(prueth->miig_rt, prueth->hw_bridge_dev->dev_addr);
icssg_set_pvid(prueth, prueth->default_vlan, PRUETH_PORT_HOST);
}
+EXPORT_SYMBOL_GPL(icssg_init_fw_offload_mode);
int icssg_config(struct prueth *prueth, struct prueth_emac *emac, int slice)
{
@@ -455,11 +451,6 @@ int icssg_config(struct prueth *prueth, struct prueth_emac *emac, int slice)
struct icssg_flow_cfg __iomem *flow_cfg;
int ret;
- if (prueth->is_switch_mode || prueth->is_hsr_offload_mode)
- icssg_init_fw_offload_mode(prueth);
- else
- icssg_init_emac_mode(prueth);
-
memset_io(config, 0, TAS_GATE_MASK_LIST0);
icssg_miig_queues_init(prueth, slice);
@@ -786,3 +777,31 @@ void icssg_set_pvid(struct prueth *prueth, u8 vid, u8 port)
writel(pvid, prueth->shram.va + EMAC_ICSSG_SWITCH_PORT0_DEFAULT_VLAN_OFFSET);
}
EXPORT_SYMBOL_GPL(icssg_set_pvid);
+
+int emac_fdb_flow_id_updated(struct prueth_emac *emac)
+{
+ struct mgmt_cmd_rsp fdb_cmd_rsp = { 0 };
+ int slice = prueth_emac_slice(emac);
+ struct mgmt_cmd fdb_cmd = { 0 };
+ int ret = 0;
+
+ fdb_cmd.header = ICSSG_FW_MGMT_CMD_HEADER;
+ fdb_cmd.type = ICSSG_FW_MGMT_FDB_CMD_TYPE_RX_FLOW;
+ fdb_cmd.seqnum = ++(emac->prueth->icssg_hwcmdseq);
+ fdb_cmd.param = 0;
+
+ fdb_cmd.param |= (slice << 4);
+ fdb_cmd.cmd_args[0] = 0;
+
+ ret = icssg_send_fdb_msg(emac, &fdb_cmd, &fdb_cmd_rsp);
+
+ if (ret)
+ return ret;
+
+ WARN_ON(fdb_cmd.seqnum != fdb_cmd_rsp.seqnum);
+ if (fdb_cmd_rsp.status == 1)
+ return 0;
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(emac_fdb_flow_id_updated);
@@ -55,6 +55,7 @@ struct icssg_rxq_ctx {
#define ICSSG_FW_MGMT_FDB_CMD_TYPE 0x03
#define ICSSG_FW_MGMT_CMD_TYPE 0x04
#define ICSSG_FW_MGMT_PKT 0x80000000
+#define ICSSG_FW_MGMT_FDB_CMD_TYPE_RX_FLOW 0x05
struct icssg_r30_cmd {
u32 cmd[4];
@@ -164,11 +164,11 @@ static struct icssg_firmwares icssg_emac_firmwares[] = {
}
};
-static int prueth_emac_start(struct prueth *prueth, struct prueth_emac *emac)
+static int prueth_emac_start(struct prueth *prueth, int slice)
{
struct icssg_firmwares *firmwares;
struct device *dev = prueth->dev;
- int slice, ret;
+ int ret;
if (prueth->is_switch_mode)
firmwares = icssg_switch_firmwares;
@@ -177,16 +177,6 @@ static int prueth_emac_start(struct prueth *prueth, struct prueth_emac *emac)
else
firmwares = icssg_emac_firmwares;
- slice = prueth_emac_slice(emac);
- if (slice < 0) {
- netdev_err(emac->ndev, "invalid port\n");
- return -EINVAL;
- }
-
- ret = icssg_config(prueth, emac, slice);
- if (ret)
- return ret;
-
ret = rproc_set_firmware(prueth->pru[slice], firmwares[slice].pru);
ret = rproc_boot(prueth->pru[slice]);
if (ret) {
@@ -208,7 +198,6 @@ static int prueth_emac_start(struct prueth *prueth, struct prueth_emac *emac)
goto halt_rtu;
}
- emac->fw_running = 1;
return 0;
halt_rtu:
@@ -220,6 +209,77 @@ static int prueth_emac_start(struct prueth *prueth, struct prueth_emac *emac)
return ret;
}
+static int prueth_emac_common_start(struct prueth *prueth)
+{
+ struct prueth_emac *emac;
+ int slice, ret;
+
+ if (!prueth->emac[ICSS_SLICE0] && !prueth->emac[ICSS_SLICE1])
+ return -EINVAL;
+
+ /* clear SMEM and MSMC settings for all slices */
+ memset_io(prueth->msmcram.va, 0, prueth->msmcram.size);
+ memset_io(prueth->shram.va, 0, ICSSG_CONFIG_OFFSET_SLICE1 * PRUETH_NUM_MACS);
+
+ icssg_class_default(prueth->miig_rt, ICSS_SLICE0, 0, false);
+ icssg_class_default(prueth->miig_rt, ICSS_SLICE1, 0, false);
+
+ if (prueth->is_switch_mode || prueth->is_hsr_offload_mode)
+ icssg_init_fw_offload_mode(prueth);
+ else
+ icssg_init_emac_mode(prueth);
+
+ for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+ emac = prueth->emac[slice];
+ if (emac) {
+ ret = icssg_config(prueth, emac, slice);
+ if (ret)
+ return ret;
+ }
+ ret = prueth_emac_start(prueth, slice);
+ if (!ret && emac)
+ emac->fw_running = 1;
+ }
+
+ emac = prueth->emac[ICSS_SLICE0] ? prueth->emac[ICSS_SLICE0] :
+ prueth->emac[ICSS_SLICE1];
+ ret = icss_iep_init(emac->iep, &prueth_iep_clockops,
+ emac, IEP_DEFAULT_CYCLE_TIME_NS);
+ if (ret) {
+ dev_err(prueth->dev, "Failed to initialize IEP module\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int prueth_emac_common_stop(struct prueth *prueth)
+{
+ struct prueth_emac *emac;
+ int slice;
+
+ if (!prueth->emac[ICSS_SLICE0] && !prueth->emac[ICSS_SLICE1])
+ return -EINVAL;
+
+ icssg_class_disable(prueth->miig_rt, ICSS_SLICE0);
+ icssg_class_disable(prueth->miig_rt, ICSS_SLICE1);
+
+ for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+ emac = prueth->emac[slice];
+ rproc_shutdown(prueth->txpru[slice]);
+ rproc_shutdown(prueth->rtu[slice]);
+ rproc_shutdown(prueth->pru[slice]);
+ if (emac)
+ emac->fw_running = 0;
+ }
+
+ emac = prueth->emac[ICSS_SLICE0] ? prueth->emac[ICSS_SLICE0] :
+ prueth->emac[ICSS_SLICE1];
+ icss_iep_exit(emac->iep);
+
+ return 0;
+}
+
/* called back by PHY layer if there is change in link state of hw port*/
static void emac_adjust_link(struct net_device *ndev)
{
@@ -543,23 +603,17 @@ static int emac_ndo_open(struct net_device *ndev)
{
struct prueth_emac *emac = netdev_priv(ndev);
int ret, i, num_data_chn = emac->tx_ch_num;
+ struct icssg_flow_cfg __iomem *flow_cfg;
struct prueth *prueth = emac->prueth;
int slice = prueth_emac_slice(emac);
struct device *dev = prueth->dev;
int max_rx_flows;
int rx_flow;
- /* clear SMEM and MSMC settings for all slices */
- if (!prueth->emacs_initialized) {
- memset_io(prueth->msmcram.va, 0, prueth->msmcram.size);
- memset_io(prueth->shram.va, 0, ICSSG_CONFIG_OFFSET_SLICE1 * PRUETH_NUM_MACS);
- }
-
/* set h/w MAC as user might have re-configured */
ether_addr_copy(emac->mac_addr, ndev->dev_addr);
icssg_class_set_mac_addr(prueth->miig_rt, slice, emac->mac_addr);
- icssg_class_default(prueth->miig_rt, slice, 0, false);
icssg_ft1_set_mac_addr(prueth->miig_rt, slice, emac->mac_addr);
/* Notify the stack of the actual queue counts. */
@@ -597,18 +651,23 @@ static int emac_ndo_open(struct net_device *ndev)
goto cleanup_napi;
}
- /* reset and start PRU firmware */
- ret = prueth_emac_start(prueth, emac);
- if (ret)
- goto free_rx_irq;
+ if (!prueth->emacs_initialized) {
+ ret = prueth_emac_common_start(prueth);
+ if (ret)
+ goto free_rx_irq;
+ }
- icssg_mii_update_mtu(prueth->mii_rt, slice, ndev->max_mtu);
+ flow_cfg = emac->dram.va + ICSSG_CONFIG_OFFSET + PSI_L_REGULAR_FLOW_ID_BASE_OFFSET;
+ writew(emac->rx_flow_id_base, &flow_cfg->rx_base_flow);
+ ret = emac_fdb_flow_id_updated(emac);
- if (!prueth->emacs_initialized) {
- ret = icss_iep_init(emac->iep, &prueth_iep_clockops,
- emac, IEP_DEFAULT_CYCLE_TIME_NS);
+ if (ret) {
+ netdev_err(ndev, "Failed to update Rx Flow ID %d", ret);
+ goto stop;
}
+ icssg_mii_update_mtu(prueth->mii_rt, slice, ndev->max_mtu);
+
ret = request_threaded_irq(emac->tx_ts_irq, NULL, prueth_tx_ts_irq,
IRQF_ONESHOT, dev_name(dev), emac);
if (ret)
@@ -653,7 +712,7 @@ static int emac_ndo_open(struct net_device *ndev)
free_tx_ts_irq:
free_irq(emac->tx_ts_irq, emac);
stop:
- prueth_emac_stop(emac);
+ prueth_emac_common_stop(prueth);
free_rx_irq:
free_irq(emac->rx_chns.irq[rx_flow], emac);
cleanup_napi:
@@ -689,8 +748,6 @@ static int emac_ndo_stop(struct net_device *ndev)
if (ndev->phydev)
phy_stop(ndev->phydev);
- icssg_class_disable(prueth->miig_rt, prueth_emac_slice(emac));
-
if (emac->prueth->is_hsr_offload_mode)
__dev_mc_unsync(ndev, icssg_prueth_hsr_del_mcast);
else
@@ -729,10 +786,8 @@ static int emac_ndo_stop(struct net_device *ndev)
cancel_delayed_work_sync(&emac->stats_work);
if (prueth->emacs_initialized == 1)
- icss_iep_exit(emac->iep);
-
- /* stop PRUs */
- prueth_emac_stop(emac);
+ /* stop PRUs */
+ prueth_emac_common_stop(prueth);
free_irq(emac->tx_ts_irq, emac);
@@ -1069,16 +1124,10 @@ static void prueth_emac_restart(struct prueth *prueth)
icssg_set_port_state(emac1, ICSSG_EMAC_PORT_DISABLE);
/* Stop both pru cores for both PRUeth ports*/
- prueth_emac_stop(emac0);
- prueth->emacs_initialized--;
- prueth_emac_stop(emac1);
- prueth->emacs_initialized--;
+ prueth_emac_common_stop(prueth);
/* Start both pru cores for both PRUeth ports */
- prueth_emac_start(prueth, emac0);
- prueth->emacs_initialized++;
- prueth_emac_start(prueth, emac1);
- prueth->emacs_initialized++;
+ prueth_emac_common_start(prueth);
/* Enable forwarding for both PRUeth ports */
icssg_set_port_state(emac0, ICSSG_EMAC_PORT_FORWARD);
@@ -1413,13 +1462,10 @@ static int prueth_probe(struct platform_device *pdev)
prueth->pa_stats = NULL;
}
- if (eth0_node) {
+ if (eth0_node || eth1_node) {
ret = prueth_get_cores(prueth, ICSS_SLICE0, false);
if (ret)
goto put_cores;
- }
-
- if (eth1_node) {
ret = prueth_get_cores(prueth, ICSS_SLICE1, false);
if (ret)
goto put_cores;
@@ -1618,14 +1664,12 @@ static int prueth_probe(struct platform_device *pdev)
pruss_put(prueth->pruss);
put_cores:
- if (eth1_node) {
- prueth_put_cores(prueth, ICSS_SLICE1);
- of_node_put(eth1_node);
- }
-
- if (eth0_node) {
+ if (eth0_node || eth1_node) {
prueth_put_cores(prueth, ICSS_SLICE0);
of_node_put(eth0_node);
+
+ prueth_put_cores(prueth, ICSS_SLICE1);
+ of_node_put(eth1_node);
}
return ret;
@@ -361,6 +361,8 @@ int icssg_set_port_state(struct prueth_emac *emac,
enum icssg_port_state_cmd state);
void icssg_config_set_speed(struct prueth_emac *emac);
void icssg_config_half_duplex(struct prueth_emac *emac);
+void icssg_init_emac_mode(struct prueth *prueth);
+void icssg_init_fw_offload_mode(struct prueth *prueth);
/* Buffer queue helpers */
int icssg_queue_pop(struct prueth *prueth, u8 queue);
@@ -377,6 +379,7 @@ void icssg_vtbl_modify(struct prueth_emac *emac, u8 vid, u8 port_mask,
u8 untag_mask, bool add);
u16 icssg_get_pvid(struct prueth_emac *emac);
void icssg_set_pvid(struct prueth *prueth, u8 vid, u8 port);
+int emac_fdb_flow_id_updated(struct prueth_emac *emac);
#define prueth_napi_to_tx_chn(pnapi) \
container_of(pnapi, struct prueth_tx_chn, napi_tx)