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Diffstat (limited to 'drivers/net/ethernet/engleder/tsnep_selftests.c')
-rw-r--r--drivers/net/ethernet/engleder/tsnep_selftests.c811
1 files changed, 811 insertions, 0 deletions
diff --git a/drivers/net/ethernet/engleder/tsnep_selftests.c b/drivers/net/ethernet/engleder/tsnep_selftests.c
new file mode 100644
index 0000000000..8a9145f931
--- /dev/null
+++ b/drivers/net/ethernet/engleder/tsnep_selftests.c
@@ -0,0 +1,811 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021 Gerhard Engleder <gerhard@engleder-embedded.com> */
+
+#include "tsnep.h"
+
+#include <net/pkt_sched.h>
+
+enum tsnep_test {
+ TSNEP_TEST_ENABLE = 0,
+ TSNEP_TEST_TAPRIO,
+ TSNEP_TEST_TAPRIO_CHANGE,
+ TSNEP_TEST_TAPRIO_EXTENSION,
+};
+
+static const char tsnep_test_strings[][ETH_GSTRING_LEN] = {
+ "Enable timeout (offline)",
+ "TAPRIO (offline)",
+ "TAPRIO change (offline)",
+ "TAPRIO extension (offline)",
+};
+
+#define TSNEP_TEST_COUNT (sizeof(tsnep_test_strings) / ETH_GSTRING_LEN)
+
+static bool enable_gc_timeout(struct tsnep_adapter *adapter)
+{
+ iowrite8(TSNEP_GC_ENABLE_TIMEOUT, adapter->addr + TSNEP_GC);
+ if (!(ioread32(adapter->addr + TSNEP_GC) & TSNEP_GC_TIMEOUT_ACTIVE))
+ return false;
+
+ return true;
+}
+
+static bool gc_timeout_signaled(struct tsnep_adapter *adapter)
+{
+ if (ioread32(adapter->addr + TSNEP_GC) & TSNEP_GC_TIMEOUT_SIGNAL)
+ return true;
+
+ return false;
+}
+
+static bool ack_gc_timeout(struct tsnep_adapter *adapter)
+{
+ iowrite8(TSNEP_GC_ENABLE_TIMEOUT, adapter->addr + TSNEP_GC);
+ if (ioread32(adapter->addr + TSNEP_GC) &
+ (TSNEP_GC_TIMEOUT_ACTIVE | TSNEP_GC_TIMEOUT_SIGNAL))
+ return false;
+ return true;
+}
+
+static bool enable_gc(struct tsnep_adapter *adapter, bool a)
+{
+ u8 enable;
+ u8 active;
+
+ if (a) {
+ enable = TSNEP_GC_ENABLE_A;
+ active = TSNEP_GC_ACTIVE_A;
+ } else {
+ enable = TSNEP_GC_ENABLE_B;
+ active = TSNEP_GC_ACTIVE_B;
+ }
+
+ iowrite8(enable, adapter->addr + TSNEP_GC);
+ if (!(ioread32(adapter->addr + TSNEP_GC) & active))
+ return false;
+
+ return true;
+}
+
+static bool disable_gc(struct tsnep_adapter *adapter)
+{
+ iowrite8(TSNEP_GC_DISABLE, adapter->addr + TSNEP_GC);
+ if (ioread32(adapter->addr + TSNEP_GC) &
+ (TSNEP_GC_ACTIVE_A | TSNEP_GC_ACTIVE_B))
+ return false;
+
+ return true;
+}
+
+static bool gc_delayed_enable(struct tsnep_adapter *adapter, bool a, int delay)
+{
+ u64 before, after;
+ u32 time;
+ bool enabled;
+
+ if (!disable_gc(adapter))
+ return false;
+
+ before = ktime_get_ns();
+
+ if (!enable_gc_timeout(adapter))
+ return false;
+
+ /* for start time after timeout, the timeout can guarantee, that enable
+ * is blocked if too late
+ */
+ time = ioread32(adapter->addr + ECM_SYSTEM_TIME_LOW);
+ time += TSNEP_GC_TIMEOUT;
+ iowrite32(time, adapter->addr + TSNEP_GC_TIME);
+
+ ndelay(delay);
+
+ enabled = enable_gc(adapter, a);
+ after = ktime_get_ns();
+
+ if (delay > TSNEP_GC_TIMEOUT) {
+ /* timeout must have blocked enable */
+ if (enabled)
+ return false;
+ } else if ((after - before) < TSNEP_GC_TIMEOUT * 14 / 16) {
+ /* timeout must not have blocked enable */
+ if (!enabled)
+ return false;
+ }
+
+ if (enabled) {
+ if (gc_timeout_signaled(adapter))
+ return false;
+ } else {
+ if (!gc_timeout_signaled(adapter))
+ return false;
+ if (!ack_gc_timeout(adapter))
+ return false;
+ }
+
+ if (!disable_gc(adapter))
+ return false;
+
+ return true;
+}
+
+static bool tsnep_test_gc_enable(struct tsnep_adapter *adapter)
+{
+ int i;
+
+ iowrite32(0x80000001, adapter->addr + TSNEP_GCL_A + 0);
+ iowrite32(100000, adapter->addr + TSNEP_GCL_A + 4);
+
+ for (i = 0; i < 200000; i += 100) {
+ if (!gc_delayed_enable(adapter, true, i))
+ return false;
+ }
+
+ iowrite32(0x80000001, adapter->addr + TSNEP_GCL_B + 0);
+ iowrite32(100000, adapter->addr + TSNEP_GCL_B + 4);
+
+ for (i = 0; i < 200000; i += 100) {
+ if (!gc_delayed_enable(adapter, false, i))
+ return false;
+ }
+
+ return true;
+}
+
+static void delay_base_time(struct tsnep_adapter *adapter,
+ struct tc_taprio_qopt_offload *qopt, s64 ms)
+{
+ u64 system_time;
+ u64 base_time = ktime_to_ns(qopt->base_time);
+ u64 n;
+
+ tsnep_get_system_time(adapter, &system_time);
+ system_time += ms * 1000000;
+ n = div64_u64(system_time - base_time, qopt->cycle_time);
+
+ qopt->base_time = ktime_add_ns(qopt->base_time,
+ (n + 1) * qopt->cycle_time);
+}
+
+static void get_gate_state(struct tsnep_adapter *adapter, u32 *gc, u32 *gc_time,
+ u64 *system_time)
+{
+ u32 time_high_before;
+ u32 time_low;
+ u32 time_high;
+ u32 gc_time_before;
+
+ time_high = ioread32(adapter->addr + ECM_SYSTEM_TIME_HIGH);
+ *gc_time = ioread32(adapter->addr + TSNEP_GC_TIME);
+ do {
+ time_low = ioread32(adapter->addr + ECM_SYSTEM_TIME_LOW);
+ *gc = ioread32(adapter->addr + TSNEP_GC);
+
+ gc_time_before = *gc_time;
+ *gc_time = ioread32(adapter->addr + TSNEP_GC_TIME);
+ time_high_before = time_high;
+ time_high = ioread32(adapter->addr + ECM_SYSTEM_TIME_HIGH);
+ } while ((time_high != time_high_before) ||
+ (*gc_time != gc_time_before));
+
+ *system_time = (((u64)time_high) << 32) | ((u64)time_low);
+}
+
+static int get_operation(struct tsnep_gcl *gcl, u64 system_time, u64 *next)
+{
+ u64 n = div64_u64(system_time - gcl->base_time, gcl->cycle_time);
+ u64 cycle_start = gcl->base_time + gcl->cycle_time * n;
+ int i;
+
+ *next = cycle_start;
+ for (i = 0; i < gcl->count; i++) {
+ *next += gcl->operation[i].interval;
+ if (*next > system_time)
+ break;
+ }
+
+ return i;
+}
+
+static bool check_gate(struct tsnep_adapter *adapter)
+{
+ u32 gc_time;
+ u32 gc;
+ u64 system_time;
+ struct tsnep_gcl *curr;
+ struct tsnep_gcl *prev;
+ u64 next_time;
+ u8 gate_open;
+ u8 next_gate_open;
+
+ get_gate_state(adapter, &gc, &gc_time, &system_time);
+
+ if (gc & TSNEP_GC_ACTIVE_A) {
+ curr = &adapter->gcl[0];
+ prev = &adapter->gcl[1];
+ } else if (gc & TSNEP_GC_ACTIVE_B) {
+ curr = &adapter->gcl[1];
+ prev = &adapter->gcl[0];
+ } else {
+ return false;
+ }
+ if (curr->start_time <= system_time) {
+ /* GCL is already active */
+ int index;
+
+ index = get_operation(curr, system_time, &next_time);
+ gate_open = curr->operation[index].properties & TSNEP_GCL_MASK;
+ if (index == curr->count - 1)
+ index = 0;
+ else
+ index++;
+ next_gate_open =
+ curr->operation[index].properties & TSNEP_GCL_MASK;
+ } else if (curr->change) {
+ /* operation of previous GCL is active */
+ int index;
+ u64 start_before;
+ u64 n;
+
+ index = get_operation(prev, system_time, &next_time);
+ next_time = curr->start_time;
+ start_before = prev->base_time;
+ n = div64_u64(curr->start_time - start_before,
+ prev->cycle_time);
+ start_before += n * prev->cycle_time;
+ if (curr->start_time == start_before)
+ start_before -= prev->cycle_time;
+ if (((start_before + prev->cycle_time_extension) >=
+ curr->start_time) &&
+ (curr->start_time - prev->cycle_time_extension <=
+ system_time)) {
+ /* extend */
+ index = prev->count - 1;
+ }
+ gate_open = prev->operation[index].properties & TSNEP_GCL_MASK;
+ next_gate_open =
+ curr->operation[0].properties & TSNEP_GCL_MASK;
+ } else {
+ /* GCL is waiting for start */
+ next_time = curr->start_time;
+ gate_open = 0xFF;
+ next_gate_open = curr->operation[0].properties & TSNEP_GCL_MASK;
+ }
+
+ if (gc_time != (next_time & 0xFFFFFFFF)) {
+ dev_err(&adapter->pdev->dev, "gate control time 0x%x!=0x%llx\n",
+ gc_time, next_time);
+ return false;
+ }
+ if (((gc & TSNEP_GC_OPEN) >> TSNEP_GC_OPEN_SHIFT) != gate_open) {
+ dev_err(&adapter->pdev->dev,
+ "gate control open 0x%02x!=0x%02x\n",
+ ((gc & TSNEP_GC_OPEN) >> TSNEP_GC_OPEN_SHIFT),
+ gate_open);
+ return false;
+ }
+ if (((gc & TSNEP_GC_NEXT_OPEN) >> TSNEP_GC_NEXT_OPEN_SHIFT) !=
+ next_gate_open) {
+ dev_err(&adapter->pdev->dev,
+ "gate control next open 0x%02x!=0x%02x\n",
+ ((gc & TSNEP_GC_NEXT_OPEN) >> TSNEP_GC_NEXT_OPEN_SHIFT),
+ next_gate_open);
+ return false;
+ }
+
+ return true;
+}
+
+static bool check_gate_duration(struct tsnep_adapter *adapter, s64 ms)
+{
+ ktime_t start = ktime_get();
+
+ do {
+ if (!check_gate(adapter))
+ return false;
+ } while (ktime_ms_delta(ktime_get(), start) < ms);
+
+ return true;
+}
+
+static bool enable_check_taprio(struct tsnep_adapter *adapter,
+ struct tc_taprio_qopt_offload *qopt, s64 ms)
+{
+ int retval;
+
+ retval = tsnep_tc_setup(adapter->netdev, TC_SETUP_QDISC_TAPRIO, qopt);
+ if (retval)
+ return false;
+
+ if (!check_gate_duration(adapter, ms))
+ return false;
+
+ return true;
+}
+
+static bool disable_taprio(struct tsnep_adapter *adapter)
+{
+ struct tc_taprio_qopt_offload qopt;
+ int retval;
+
+ memset(&qopt, 0, sizeof(qopt));
+ qopt.cmd = TAPRIO_CMD_DESTROY;
+ retval = tsnep_tc_setup(adapter->netdev, TC_SETUP_QDISC_TAPRIO, &qopt);
+ if (retval)
+ return false;
+
+ return true;
+}
+
+static bool run_taprio(struct tsnep_adapter *adapter,
+ struct tc_taprio_qopt_offload *qopt, s64 ms)
+{
+ if (!enable_check_taprio(adapter, qopt, ms))
+ return false;
+
+ if (!disable_taprio(adapter))
+ return false;
+
+ return true;
+}
+
+static bool tsnep_test_taprio(struct tsnep_adapter *adapter)
+{
+ struct tc_taprio_qopt_offload *qopt;
+ int i;
+
+ qopt = kzalloc(struct_size(qopt, entries, 255), GFP_KERNEL);
+ if (!qopt)
+ return false;
+ for (i = 0; i < 255; i++)
+ qopt->entries[i].command = TC_TAPRIO_CMD_SET_GATES;
+
+ qopt->cmd = TAPRIO_CMD_REPLACE;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 1500000;
+ qopt->cycle_time_extension = 0;
+ qopt->entries[0].gate_mask = 0x02;
+ qopt->entries[0].interval = 200000;
+ qopt->entries[1].gate_mask = 0x03;
+ qopt->entries[1].interval = 800000;
+ qopt->entries[2].gate_mask = 0x07;
+ qopt->entries[2].interval = 240000;
+ qopt->entries[3].gate_mask = 0x01;
+ qopt->entries[3].interval = 80000;
+ qopt->entries[4].gate_mask = 0x04;
+ qopt->entries[4].interval = 70000;
+ qopt->entries[5].gate_mask = 0x06;
+ qopt->entries[5].interval = 60000;
+ qopt->entries[6].gate_mask = 0x0F;
+ qopt->entries[6].interval = 50000;
+ qopt->num_entries = 7;
+ if (!run_taprio(adapter, qopt, 100))
+ goto failed;
+
+ qopt->cmd = TAPRIO_CMD_REPLACE;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 411854;
+ qopt->cycle_time_extension = 0;
+ qopt->entries[0].gate_mask = 0x17;
+ qopt->entries[0].interval = 23842;
+ qopt->entries[1].gate_mask = 0x16;
+ qopt->entries[1].interval = 13482;
+ qopt->entries[2].gate_mask = 0x15;
+ qopt->entries[2].interval = 49428;
+ qopt->entries[3].gate_mask = 0x14;
+ qopt->entries[3].interval = 38189;
+ qopt->entries[4].gate_mask = 0x13;
+ qopt->entries[4].interval = 92321;
+ qopt->entries[5].gate_mask = 0x12;
+ qopt->entries[5].interval = 71239;
+ qopt->entries[6].gate_mask = 0x11;
+ qopt->entries[6].interval = 69932;
+ qopt->entries[7].gate_mask = 0x10;
+ qopt->entries[7].interval = 53421;
+ qopt->num_entries = 8;
+ if (!run_taprio(adapter, qopt, 100))
+ goto failed;
+
+ qopt->cmd = TAPRIO_CMD_REPLACE;
+ qopt->base_time = ktime_set(0, 0);
+ delay_base_time(adapter, qopt, 12);
+ qopt->cycle_time = 125000;
+ qopt->cycle_time_extension = 0;
+ qopt->entries[0].gate_mask = 0x27;
+ qopt->entries[0].interval = 15000;
+ qopt->entries[1].gate_mask = 0x26;
+ qopt->entries[1].interval = 15000;
+ qopt->entries[2].gate_mask = 0x25;
+ qopt->entries[2].interval = 12500;
+ qopt->entries[3].gate_mask = 0x24;
+ qopt->entries[3].interval = 17500;
+ qopt->entries[4].gate_mask = 0x23;
+ qopt->entries[4].interval = 10000;
+ qopt->entries[5].gate_mask = 0x22;
+ qopt->entries[5].interval = 11000;
+ qopt->entries[6].gate_mask = 0x21;
+ qopt->entries[6].interval = 9000;
+ qopt->entries[7].gate_mask = 0x20;
+ qopt->entries[7].interval = 10000;
+ qopt->entries[8].gate_mask = 0x20;
+ qopt->entries[8].interval = 12500;
+ qopt->entries[9].gate_mask = 0x20;
+ qopt->entries[9].interval = 12500;
+ qopt->num_entries = 10;
+ if (!run_taprio(adapter, qopt, 100))
+ goto failed;
+
+ kfree(qopt);
+
+ return true;
+
+failed:
+ disable_taprio(adapter);
+ kfree(qopt);
+
+ return false;
+}
+
+static bool tsnep_test_taprio_change(struct tsnep_adapter *adapter)
+{
+ struct tc_taprio_qopt_offload *qopt;
+ int i;
+
+ qopt = kzalloc(struct_size(qopt, entries, 255), GFP_KERNEL);
+ if (!qopt)
+ return false;
+ for (i = 0; i < 255; i++)
+ qopt->entries[i].command = TC_TAPRIO_CMD_SET_GATES;
+
+ qopt->cmd = TAPRIO_CMD_REPLACE;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 100000;
+ qopt->cycle_time_extension = 0;
+ qopt->entries[0].gate_mask = 0x30;
+ qopt->entries[0].interval = 20000;
+ qopt->entries[1].gate_mask = 0x31;
+ qopt->entries[1].interval = 80000;
+ qopt->num_entries = 2;
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to identical */
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ delay_base_time(adapter, qopt, 17);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to same cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->entries[0].gate_mask = 0x42;
+ qopt->entries[1].gate_mask = 0x43;
+ delay_base_time(adapter, qopt, 2);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->entries[0].gate_mask = 0x54;
+ qopt->entries[0].interval = 33333;
+ qopt->entries[1].gate_mask = 0x55;
+ qopt->entries[1].interval = 66667;
+ delay_base_time(adapter, qopt, 23);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->entries[0].gate_mask = 0x66;
+ qopt->entries[0].interval = 50000;
+ qopt->entries[1].gate_mask = 0x67;
+ qopt->entries[1].interval = 25000;
+ qopt->entries[2].gate_mask = 0x68;
+ qopt->entries[2].interval = 25000;
+ qopt->num_entries = 3;
+ delay_base_time(adapter, qopt, 11);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to multiple of cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 200000;
+ qopt->entries[0].gate_mask = 0x79;
+ qopt->entries[0].interval = 50000;
+ qopt->entries[1].gate_mask = 0x7A;
+ qopt->entries[1].interval = 150000;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 11);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 1000000;
+ qopt->entries[0].gate_mask = 0x7B;
+ qopt->entries[0].interval = 125000;
+ qopt->entries[1].gate_mask = 0x7C;
+ qopt->entries[1].interval = 250000;
+ qopt->entries[2].gate_mask = 0x7D;
+ qopt->entries[2].interval = 375000;
+ qopt->entries[3].gate_mask = 0x7E;
+ qopt->entries[3].interval = 250000;
+ qopt->num_entries = 4;
+ delay_base_time(adapter, qopt, 3);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to shorter cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 333333;
+ qopt->entries[0].gate_mask = 0x8F;
+ qopt->entries[0].interval = 166666;
+ qopt->entries[1].gate_mask = 0x80;
+ qopt->entries[1].interval = 166667;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 11);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 62500;
+ qopt->entries[0].gate_mask = 0x81;
+ qopt->entries[0].interval = 31250;
+ qopt->entries[1].gate_mask = 0x82;
+ qopt->entries[1].interval = 15625;
+ qopt->entries[2].gate_mask = 0x83;
+ qopt->entries[2].interval = 15625;
+ qopt->num_entries = 3;
+ delay_base_time(adapter, qopt, 1);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to longer cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 400000;
+ qopt->entries[0].gate_mask = 0x84;
+ qopt->entries[0].interval = 100000;
+ qopt->entries[1].gate_mask = 0x85;
+ qopt->entries[1].interval = 100000;
+ qopt->entries[2].gate_mask = 0x86;
+ qopt->entries[2].interval = 100000;
+ qopt->entries[3].gate_mask = 0x87;
+ qopt->entries[3].interval = 100000;
+ qopt->num_entries = 4;
+ delay_base_time(adapter, qopt, 7);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 1700000;
+ qopt->entries[0].gate_mask = 0x88;
+ qopt->entries[0].interval = 200000;
+ qopt->entries[1].gate_mask = 0x89;
+ qopt->entries[1].interval = 300000;
+ qopt->entries[2].gate_mask = 0x8A;
+ qopt->entries[2].interval = 600000;
+ qopt->entries[3].gate_mask = 0x8B;
+ qopt->entries[3].interval = 100000;
+ qopt->entries[4].gate_mask = 0x8C;
+ qopt->entries[4].interval = 500000;
+ qopt->num_entries = 5;
+ delay_base_time(adapter, qopt, 6);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ if (!disable_taprio(adapter))
+ goto failed;
+
+ kfree(qopt);
+
+ return true;
+
+failed:
+ disable_taprio(adapter);
+ kfree(qopt);
+
+ return false;
+}
+
+static bool tsnep_test_taprio_extension(struct tsnep_adapter *adapter)
+{
+ struct tc_taprio_qopt_offload *qopt;
+ int i;
+
+ qopt = kzalloc(struct_size(qopt, entries, 255), GFP_KERNEL);
+ if (!qopt)
+ return false;
+ for (i = 0; i < 255; i++)
+ qopt->entries[i].command = TC_TAPRIO_CMD_SET_GATES;
+
+ qopt->cmd = TAPRIO_CMD_REPLACE;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 100000;
+ qopt->cycle_time_extension = 50000;
+ qopt->entries[0].gate_mask = 0x90;
+ qopt->entries[0].interval = 20000;
+ qopt->entries[1].gate_mask = 0x91;
+ qopt->entries[1].interval = 80000;
+ qopt->num_entries = 2;
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to different phase */
+ qopt->base_time = ktime_set(0, 50000);
+ qopt->entries[0].gate_mask = 0x92;
+ qopt->entries[0].interval = 33000;
+ qopt->entries[1].gate_mask = 0x93;
+ qopt->entries[1].interval = 67000;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 2);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to different phase and longer cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 1000000;
+ qopt->cycle_time_extension = 700000;
+ qopt->entries[0].gate_mask = 0x94;
+ qopt->entries[0].interval = 400000;
+ qopt->entries[1].gate_mask = 0x95;
+ qopt->entries[1].interval = 600000;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 7);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 700000);
+ qopt->cycle_time = 2000000;
+ qopt->cycle_time_extension = 1900000;
+ qopt->entries[0].gate_mask = 0x96;
+ qopt->entries[0].interval = 400000;
+ qopt->entries[1].gate_mask = 0x97;
+ qopt->entries[1].interval = 1600000;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 9);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to different phase and shorter cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 1500000;
+ qopt->cycle_time_extension = 700000;
+ qopt->entries[0].gate_mask = 0x98;
+ qopt->entries[0].interval = 400000;
+ qopt->entries[1].gate_mask = 0x99;
+ qopt->entries[1].interval = 600000;
+ qopt->entries[2].gate_mask = 0x9A;
+ qopt->entries[2].interval = 500000;
+ qopt->num_entries = 3;
+ delay_base_time(adapter, qopt, 3);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 100000);
+ qopt->cycle_time = 500000;
+ qopt->cycle_time_extension = 300000;
+ qopt->entries[0].gate_mask = 0x9B;
+ qopt->entries[0].interval = 150000;
+ qopt->entries[1].gate_mask = 0x9C;
+ qopt->entries[1].interval = 350000;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 9);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ /* change to different cycle time */
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 1000000;
+ qopt->cycle_time_extension = 700000;
+ qopt->entries[0].gate_mask = 0xAD;
+ qopt->entries[0].interval = 400000;
+ qopt->entries[1].gate_mask = 0xAE;
+ qopt->entries[1].interval = 300000;
+ qopt->entries[2].gate_mask = 0xAF;
+ qopt->entries[2].interval = 300000;
+ qopt->num_entries = 3;
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 400000;
+ qopt->cycle_time_extension = 100000;
+ qopt->entries[0].gate_mask = 0xA0;
+ qopt->entries[0].interval = 200000;
+ qopt->entries[1].gate_mask = 0xA1;
+ qopt->entries[1].interval = 200000;
+ qopt->num_entries = 2;
+ delay_base_time(adapter, qopt, 19);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 500000;
+ qopt->cycle_time_extension = 499999;
+ qopt->entries[0].gate_mask = 0xB2;
+ qopt->entries[0].interval = 100000;
+ qopt->entries[1].gate_mask = 0xB3;
+ qopt->entries[1].interval = 100000;
+ qopt->entries[2].gate_mask = 0xB4;
+ qopt->entries[2].interval = 100000;
+ qopt->entries[3].gate_mask = 0xB5;
+ qopt->entries[3].interval = 200000;
+ qopt->num_entries = 4;
+ delay_base_time(adapter, qopt, 19);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+ qopt->base_time = ktime_set(0, 0);
+ qopt->cycle_time = 6000000;
+ qopt->cycle_time_extension = 5999999;
+ qopt->entries[0].gate_mask = 0xC6;
+ qopt->entries[0].interval = 1000000;
+ qopt->entries[1].gate_mask = 0xC7;
+ qopt->entries[1].interval = 1000000;
+ qopt->entries[2].gate_mask = 0xC8;
+ qopt->entries[2].interval = 1000000;
+ qopt->entries[3].gate_mask = 0xC9;
+ qopt->entries[3].interval = 1500000;
+ qopt->entries[4].gate_mask = 0xCA;
+ qopt->entries[4].interval = 1500000;
+ qopt->num_entries = 5;
+ delay_base_time(adapter, qopt, 1);
+ if (!enable_check_taprio(adapter, qopt, 100))
+ goto failed;
+
+ if (!disable_taprio(adapter))
+ goto failed;
+
+ kfree(qopt);
+
+ return true;
+
+failed:
+ disable_taprio(adapter);
+ kfree(qopt);
+
+ return false;
+}
+
+int tsnep_ethtool_get_test_count(void)
+{
+ return TSNEP_TEST_COUNT;
+}
+
+void tsnep_ethtool_get_test_strings(u8 *data)
+{
+ memcpy(data, tsnep_test_strings, sizeof(tsnep_test_strings));
+}
+
+void tsnep_ethtool_self_test(struct net_device *netdev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ struct tsnep_adapter *adapter = netdev_priv(netdev);
+
+ eth_test->len = TSNEP_TEST_COUNT;
+
+ if (eth_test->flags != ETH_TEST_FL_OFFLINE) {
+ /* no tests are done online */
+ data[TSNEP_TEST_ENABLE] = 0;
+ data[TSNEP_TEST_TAPRIO] = 0;
+ data[TSNEP_TEST_TAPRIO_CHANGE] = 0;
+ data[TSNEP_TEST_TAPRIO_EXTENSION] = 0;
+
+ return;
+ }
+
+ if (tsnep_test_gc_enable(adapter)) {
+ data[TSNEP_TEST_ENABLE] = 0;
+ } else {
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ data[TSNEP_TEST_ENABLE] = 1;
+ }
+
+ if (tsnep_test_taprio(adapter)) {
+ data[TSNEP_TEST_TAPRIO] = 0;
+ } else {
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ data[TSNEP_TEST_TAPRIO] = 1;
+ }
+
+ if (tsnep_test_taprio_change(adapter)) {
+ data[TSNEP_TEST_TAPRIO_CHANGE] = 0;
+ } else {
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ data[TSNEP_TEST_TAPRIO_CHANGE] = 1;
+ }
+
+ if (tsnep_test_taprio_extension(adapter)) {
+ data[TSNEP_TEST_TAPRIO_EXTENSION] = 0;
+ } else {
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ data[TSNEP_TEST_TAPRIO_EXTENSION] = 1;
+ }
+}