Files
linux/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
Yang Yingliang e8572f038a net: microchip: sparx5: kunit test: change test_callbacks and test_vctrl to static
test_callbacks and test_vctrl are only used in vcap_api_kunit.c now,
change them to static.

Fixes: 67d637516f ("net: microchip: sparx5: Adding KUNIT test for the VCAP API")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-31 10:48:32 +00:00

934 lines
27 KiB
C

// SPDX-License-Identifier: BSD-3-Clause
/* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries.
* Microchip VCAP API kunit test suite
*/
#include <kunit/test.h>
#include "vcap_api.h"
#include "vcap_api_client.h"
#include "vcap_model_kunit.h"
/* First we have the test infrastructure that emulates the platform
* implementation
*/
#define TEST_BUF_CNT 100
#define TEST_BUF_SZ 350
#define STREAMWSIZE 64
static u32 test_updateaddr[STREAMWSIZE] = {};
static int test_updateaddridx;
static int test_cache_erase_count;
static u32 test_init_start;
static u32 test_init_count;
static u32 test_hw_counter_id;
static struct vcap_cache_data test_hw_cache;
/* Callback used by the VCAP API */
static enum vcap_keyfield_set test_val_keyset(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule,
struct vcap_keyset_list *kslist,
u16 l3_proto)
{
int idx;
if (kslist->cnt > 0) {
switch (admin->vtype) {
case VCAP_TYPE_IS0:
for (idx = 0; idx < kslist->cnt; idx++) {
if (kslist->keysets[idx] == VCAP_KFS_ETAG)
return kslist->keysets[idx];
if (kslist->keysets[idx] == VCAP_KFS_PURE_5TUPLE_IP4)
return kslist->keysets[idx];
if (kslist->keysets[idx] == VCAP_KFS_NORMAL_5TUPLE_IP4)
return kslist->keysets[idx];
if (kslist->keysets[idx] == VCAP_KFS_NORMAL_7TUPLE)
return kslist->keysets[idx];
}
break;
case VCAP_TYPE_IS2:
for (idx = 0; idx < kslist->cnt; idx++) {
if (kslist->keysets[idx] == VCAP_KFS_MAC_ETYPE)
return kslist->keysets[idx];
if (kslist->keysets[idx] == VCAP_KFS_ARP)
return kslist->keysets[idx];
if (kslist->keysets[idx] == VCAP_KFS_IP_7TUPLE)
return kslist->keysets[idx];
}
break;
default:
pr_info("%s:%d: no validation for VCAP %d\n",
__func__, __LINE__, admin->vtype);
break;
}
}
return -EINVAL;
}
/* Callback used by the VCAP API */
static void test_add_def_fields(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule)
{
if (admin->vinst == 0 || admin->vinst == 2)
vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_1);
else
vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_0);
}
/* Callback used by the VCAP API */
static void test_cache_erase(struct vcap_admin *admin)
{
if (test_cache_erase_count) {
memset(admin->cache.keystream, 0, test_cache_erase_count);
memset(admin->cache.maskstream, 0, test_cache_erase_count);
memset(admin->cache.actionstream, 0, test_cache_erase_count);
test_cache_erase_count = 0;
}
}
/* Callback used by the VCAP API */
static void test_cache_init(struct net_device *ndev, struct vcap_admin *admin,
u32 start, u32 count)
{
test_init_start = start;
test_init_count = count;
}
/* Callback used by the VCAP API */
static void test_cache_read(struct net_device *ndev, struct vcap_admin *admin,
enum vcap_selection sel, u32 start, u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
pr_debug("%s:%d: %d %d\n", __func__, __LINE__, start, count);
switch (sel) {
case VCAP_SEL_ENTRY:
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
for (idx = 0; idx < count; ++idx) {
pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__,
__LINE__, start + idx, keystr[idx]);
}
for (idx = 0; idx < count; ++idx) {
/* Invert the mask before decoding starts */
mskstr[idx] = ~mskstr[idx];
pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__,
__LINE__, start + idx, mskstr[idx]);
}
break;
case VCAP_SEL_ACTION:
actstr = &admin->cache.actionstream[start];
for (idx = 0; idx < count; ++idx) {
pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__,
__LINE__, start + idx, actstr[idx]);
}
break;
case VCAP_SEL_COUNTER:
pr_debug("%s:%d\n", __func__, __LINE__);
test_hw_counter_id = start;
admin->cache.counter = test_hw_cache.counter;
admin->cache.sticky = test_hw_cache.sticky;
break;
case VCAP_SEL_ALL:
pr_debug("%s:%d\n", __func__, __LINE__);
break;
}
}
/* Callback used by the VCAP API */
static void test_cache_write(struct net_device *ndev, struct vcap_admin *admin,
enum vcap_selection sel, u32 start, u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
switch (sel) {
case VCAP_SEL_ENTRY:
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
for (idx = 0; idx < count; ++idx) {
pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__,
__LINE__, start + idx, keystr[idx]);
}
for (idx = 0; idx < count; ++idx) {
/* Invert the mask before encoding starts */
mskstr[idx] = ~mskstr[idx];
pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__,
__LINE__, start + idx, mskstr[idx]);
}
break;
case VCAP_SEL_ACTION:
actstr = &admin->cache.actionstream[start];
for (idx = 0; idx < count; ++idx) {
pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__,
__LINE__, start + idx, actstr[idx]);
}
break;
case VCAP_SEL_COUNTER:
pr_debug("%s:%d\n", __func__, __LINE__);
test_hw_counter_id = start;
test_hw_cache.counter = admin->cache.counter;
test_hw_cache.sticky = admin->cache.sticky;
break;
case VCAP_SEL_ALL:
pr_err("%s:%d: cannot write all streams at once\n",
__func__, __LINE__);
break;
}
}
/* Callback used by the VCAP API */
static void test_cache_update(struct net_device *ndev, struct vcap_admin *admin,
enum vcap_command cmd,
enum vcap_selection sel, u32 addr)
{
if (test_updateaddridx < ARRAY_SIZE(test_updateaddr))
test_updateaddr[test_updateaddridx] = addr;
else
pr_err("%s:%d: overflow: %d\n", __func__, __LINE__, test_updateaddridx);
test_updateaddridx++;
}
static void test_cache_move(struct net_device *ndev, struct vcap_admin *admin,
u32 addr, int offset, int count)
{
}
/* Provide port information via a callback interface */
static int vcap_test_port_info(struct net_device *ndev, enum vcap_type vtype,
int (*pf)(void *out, int arg, const char *fmt, ...),
void *out, int arg)
{
return 0;
}
static struct vcap_operations test_callbacks = {
.validate_keyset = test_val_keyset,
.add_default_fields = test_add_def_fields,
.cache_erase = test_cache_erase,
.cache_write = test_cache_write,
.cache_read = test_cache_read,
.init = test_cache_init,
.update = test_cache_update,
.move = test_cache_move,
.port_info = vcap_test_port_info,
};
static struct vcap_control test_vctrl = {
.vcaps = kunit_test_vcaps,
.stats = &kunit_test_vcap_stats,
.ops = &test_callbacks,
};
static void vcap_test_api_init(struct vcap_admin *admin)
{
/* Initialize the shared objects */
INIT_LIST_HEAD(&test_vctrl.list);
INIT_LIST_HEAD(&admin->list);
INIT_LIST_HEAD(&admin->rules);
list_add_tail(&admin->list, &test_vctrl.list);
memset(test_updateaddr, 0, sizeof(test_updateaddr));
test_updateaddridx = 0;
}
/* Define the test cases. */
static void vcap_api_set_bit_1_test(struct kunit *test)
{
struct vcap_stream_iter iter = {
.offset = 35,
.sw_width = 52,
.reg_idx = 1,
.reg_bitpos = 20,
.tg = 0
};
u32 stream[2] = {0};
vcap_set_bit(stream, &iter, 1);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)BIT(20), stream[1]);
}
static void vcap_api_set_bit_0_test(struct kunit *test)
{
struct vcap_stream_iter iter = {
.offset = 35,
.sw_width = 52,
.reg_idx = 2,
.reg_bitpos = 11,
.tg = 0
};
u32 stream[3] = {~0, ~0, ~0};
vcap_set_bit(stream, &iter, 0);
KUNIT_EXPECT_EQ(test, (u32)~0, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)~0, stream[1]);
KUNIT_EXPECT_EQ(test, (u32)~BIT(11), stream[2]);
}
static void vcap_api_iterator_init_test(struct kunit *test)
{
struct vcap_stream_iter iter;
struct vcap_typegroup typegroups[] = {
{ .offset = 0, .width = 2, .value = 2, },
{ .offset = 156, .width = 1, .value = 0, },
{ .offset = 0, .width = 0, .value = 0, },
};
struct vcap_typegroup typegroups2[] = {
{ .offset = 0, .width = 3, .value = 4, },
{ .offset = 49, .width = 2, .value = 0, },
{ .offset = 98, .width = 2, .value = 0, },
};
vcap_iter_init(&iter, 52, typegroups, 86);
KUNIT_EXPECT_EQ(test, 52, iter.sw_width);
KUNIT_EXPECT_EQ(test, 86 + 2, iter.offset);
KUNIT_EXPECT_EQ(test, 3, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 4, iter.reg_bitpos);
vcap_iter_init(&iter, 49, typegroups2, 134);
KUNIT_EXPECT_EQ(test, 49, iter.sw_width);
KUNIT_EXPECT_EQ(test, 134 + 7, iter.offset);
KUNIT_EXPECT_EQ(test, 5, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 11, iter.reg_bitpos);
}
static void vcap_api_iterator_next_test(struct kunit *test)
{
struct vcap_stream_iter iter;
struct vcap_typegroup typegroups[] = {
{ .offset = 0, .width = 4, .value = 8, },
{ .offset = 49, .width = 1, .value = 0, },
{ .offset = 98, .width = 2, .value = 0, },
{ .offset = 147, .width = 3, .value = 0, },
{ .offset = 196, .width = 2, .value = 0, },
{ .offset = 245, .width = 1, .value = 0, },
};
int idx;
vcap_iter_init(&iter, 49, typegroups, 86);
KUNIT_EXPECT_EQ(test, 49, iter.sw_width);
KUNIT_EXPECT_EQ(test, 86 + 5, iter.offset);
KUNIT_EXPECT_EQ(test, 3, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 10, iter.reg_bitpos);
vcap_iter_next(&iter);
KUNIT_EXPECT_EQ(test, 91 + 1, iter.offset);
KUNIT_EXPECT_EQ(test, 3, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 11, iter.reg_bitpos);
for (idx = 0; idx < 6; idx++)
vcap_iter_next(&iter);
KUNIT_EXPECT_EQ(test, 92 + 6 + 2, iter.offset);
KUNIT_EXPECT_EQ(test, 4, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 2, iter.reg_bitpos);
}
static void vcap_api_encode_typegroups_test(struct kunit *test)
{
u32 stream[12] = {0};
struct vcap_typegroup typegroups[] = {
{ .offset = 0, .width = 4, .value = 8, },
{ .offset = 49, .width = 1, .value = 1, },
{ .offset = 98, .width = 2, .value = 3, },
{ .offset = 147, .width = 3, .value = 5, },
{ .offset = 196, .width = 2, .value = 2, },
{ .offset = 245, .width = 5, .value = 27, },
{ .offset = 0, .width = 0, .value = 0, },
};
vcap_encode_typegroups(stream, 49, typegroups, false);
KUNIT_EXPECT_EQ(test, (u32)0x8, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]);
KUNIT_EXPECT_EQ(test, (u32)0x1, stream[2]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[3]);
KUNIT_EXPECT_EQ(test, (u32)0x3, stream[4]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]);
KUNIT_EXPECT_EQ(test, (u32)0x5, stream[6]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[7]);
KUNIT_EXPECT_EQ(test, (u32)0x2, stream[8]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[9]);
KUNIT_EXPECT_EQ(test, (u32)27, stream[10]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[11]);
}
static void vcap_api_encode_bit_test(struct kunit *test)
{
struct vcap_stream_iter iter;
u32 stream[4] = {0};
struct vcap_typegroup typegroups[] = {
{ .offset = 0, .width = 4, .value = 8, },
{ .offset = 49, .width = 1, .value = 1, },
{ .offset = 98, .width = 2, .value = 3, },
{ .offset = 147, .width = 3, .value = 5, },
{ .offset = 196, .width = 2, .value = 2, },
{ .offset = 245, .width = 1, .value = 0, },
};
vcap_iter_init(&iter, 49, typegroups, 44);
KUNIT_EXPECT_EQ(test, 48, iter.offset);
KUNIT_EXPECT_EQ(test, 1, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 16, iter.reg_bitpos);
vcap_encode_bit(stream, &iter, 1);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)BIT(16), stream[1]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]);
}
static void vcap_api_encode_field_test(struct kunit *test)
{
struct vcap_stream_iter iter;
u32 stream[16] = {0};
struct vcap_typegroup typegroups[] = {
{ .offset = 0, .width = 4, .value = 8, },
{ .offset = 49, .width = 1, .value = 1, },
{ .offset = 98, .width = 2, .value = 3, },
{ .offset = 147, .width = 3, .value = 5, },
{ .offset = 196, .width = 2, .value = 2, },
{ .offset = 245, .width = 5, .value = 27, },
{ .offset = 0, .width = 0, .value = 0, },
};
struct vcap_field rf = {
.type = VCAP_FIELD_U32,
.offset = 86,
.width = 4,
};
u8 value[] = {0x5};
vcap_iter_init(&iter, 49, typegroups, rf.offset);
KUNIT_EXPECT_EQ(test, 91, iter.offset);
KUNIT_EXPECT_EQ(test, 3, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 10, iter.reg_bitpos);
vcap_encode_field(stream, &iter, rf.width, value);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]);
KUNIT_EXPECT_EQ(test, (u32)(0x5 << 10), stream[3]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[4]);
vcap_encode_typegroups(stream, 49, typegroups, false);
KUNIT_EXPECT_EQ(test, (u32)0x8, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]);
KUNIT_EXPECT_EQ(test, (u32)0x1, stream[2]);
KUNIT_EXPECT_EQ(test, (u32)(0x5 << 10), stream[3]);
KUNIT_EXPECT_EQ(test, (u32)0x3, stream[4]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]);
KUNIT_EXPECT_EQ(test, (u32)0x5, stream[6]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[7]);
KUNIT_EXPECT_EQ(test, (u32)0x2, stream[8]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[9]);
KUNIT_EXPECT_EQ(test, (u32)27, stream[10]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[11]);
}
/* In this testcase the subword is smaller than a register */
static void vcap_api_encode_short_field_test(struct kunit *test)
{
struct vcap_stream_iter iter;
int sw_width = 21;
u32 stream[6] = {0};
struct vcap_typegroup tgt[] = {
{ .offset = 0, .width = 3, .value = 7, },
{ .offset = 21, .width = 2, .value = 3, },
{ .offset = 42, .width = 1, .value = 1, },
{ .offset = 0, .width = 0, .value = 0, },
};
struct vcap_field rf = {
.type = VCAP_FIELD_U32,
.offset = 25,
.width = 4,
};
u8 value[] = {0x5};
vcap_iter_init(&iter, sw_width, tgt, rf.offset);
KUNIT_EXPECT_EQ(test, 1, iter.regs_per_sw);
KUNIT_EXPECT_EQ(test, 21, iter.sw_width);
KUNIT_EXPECT_EQ(test, 25 + 3 + 2, iter.offset);
KUNIT_EXPECT_EQ(test, 1, iter.reg_idx);
KUNIT_EXPECT_EQ(test, 25 + 3 + 2 - sw_width, iter.reg_bitpos);
vcap_encode_field(stream, &iter, rf.width, value);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)(0x5 << (25 + 3 + 2 - sw_width)), stream[1]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[3]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[4]);
KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]);
vcap_encode_typegroups(stream, sw_width, tgt, false);
KUNIT_EXPECT_EQ(test, (u32)7, stream[0]);
KUNIT_EXPECT_EQ(test, (u32)((0x5 << (25 + 3 + 2 - sw_width)) + 3), stream[1]);
KUNIT_EXPECT_EQ(test, (u32)1, stream[2]);
KUNIT_EXPECT_EQ(test, (u32)0, stream[3]);
KUNIT_EXPECT_EQ(test, (u32)0, stream[4]);
KUNIT_EXPECT_EQ(test, (u32)0, stream[5]);
}
static void vcap_api_encode_keyfield_test(struct kunit *test)
{
u32 keywords[16] = {0};
u32 maskwords[16] = {0};
struct vcap_admin admin = {
.vtype = VCAP_TYPE_IS2,
.cache = {
.keystream = keywords,
.maskstream = maskwords,
.actionstream = keywords,
},
};
struct vcap_rule_internal rule = {
.admin = &admin,
.data = {
.keyset = VCAP_KFS_MAC_ETYPE,
},
.vctrl = &test_vctrl,
};
struct vcap_client_keyfield ckf = {
.ctrl.list = {},
.ctrl.key = VCAP_KF_ISDX_CLS,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0xeef014a1,
.data.u32.mask = 0xfff,
};
struct vcap_field rf = {
.type = VCAP_FIELD_U32,
.offset = 56,
.width = 12,
};
struct vcap_typegroup tgt[] = {
{ .offset = 0, .width = 2, .value = 2, },
{ .offset = 156, .width = 1, .value = 1, },
{ .offset = 0, .width = 0, .value = 0, },
};
vcap_test_api_init(&admin);
vcap_encode_keyfield(&rule, &ckf, &rf, tgt);
/* Key */
KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[0]);
KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[1]);
KUNIT_EXPECT_EQ(test, (u32)(0x04a1 << 6), keywords[2]);
KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[3]);
KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[4]);
KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[5]);
KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[6]);
/* Mask */
KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[0]);
KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[1]);
KUNIT_EXPECT_EQ(test, (u32)(0x0fff << 6), maskwords[2]);
KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[3]);
KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[4]);
KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[5]);
KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[6]);
}
static void vcap_api_encode_max_keyfield_test(struct kunit *test)
{
int idx;
u32 keywords[6] = {0};
u32 maskwords[6] = {0};
struct vcap_admin admin = {
.vtype = VCAP_TYPE_IS2,
/* IS2 sw_width = 52 bit */
.cache = {
.keystream = keywords,
.maskstream = maskwords,
.actionstream = keywords,
},
};
struct vcap_rule_internal rule = {
.admin = &admin,
.data = {
.keyset = VCAP_KFS_IP_7TUPLE,
},
.vctrl = &test_vctrl,
};
struct vcap_client_keyfield ckf = {
.ctrl.list = {},
.ctrl.key = VCAP_KF_L3_IP6_DIP,
.ctrl.type = VCAP_FIELD_U128,
.data.u128.value = { 0xa1, 0xa2, 0xa3, 0xa4, 0, 0, 0x43, 0,
0, 0, 0, 0, 0, 0, 0x78, 0x8e, },
.data.u128.mask = { 0xff, 0xff, 0xff, 0xff, 0, 0, 0xff, 0,
0, 0, 0, 0, 0, 0, 0xff, 0xff },
};
struct vcap_field rf = {
.type = VCAP_FIELD_U128,
.offset = 0,
.width = 128,
};
struct vcap_typegroup tgt[] = {
{ .offset = 0, .width = 2, .value = 2, },
{ .offset = 156, .width = 1, .value = 1, },
{ .offset = 0, .width = 0, .value = 0, },
};
u32 keyres[] = {
0x928e8a84,
0x000c0002,
0x00000010,
0x00000000,
0x0239e000,
0x00000000,
};
u32 mskres[] = {
0xfffffffc,
0x000c0003,
0x0000003f,
0x00000000,
0x03fffc00,
0x00000000,
};
vcap_encode_keyfield(&rule, &ckf, &rf, tgt);
/* Key */
for (idx = 0; idx < ARRAY_SIZE(keyres); ++idx)
KUNIT_EXPECT_EQ(test, keyres[idx], keywords[idx]);
/* Mask */
for (idx = 0; idx < ARRAY_SIZE(mskres); ++idx)
KUNIT_EXPECT_EQ(test, mskres[idx], maskwords[idx]);
}
static void vcap_api_encode_actionfield_test(struct kunit *test)
{
u32 actwords[16] = {0};
int sw_width = 21;
struct vcap_admin admin = {
.vtype = VCAP_TYPE_ES2, /* act_width = 21 */
.cache = {
.actionstream = actwords,
},
};
struct vcap_rule_internal rule = {
.admin = &admin,
.data = {
.actionset = VCAP_AFS_BASE_TYPE,
},
.vctrl = &test_vctrl,
};
struct vcap_client_actionfield caf = {
.ctrl.list = {},
.ctrl.action = VCAP_AF_POLICE_IDX,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0x67908032,
};
struct vcap_field rf = {
.type = VCAP_FIELD_U32,
.offset = 35,
.width = 6,
};
struct vcap_typegroup tgt[] = {
{ .offset = 0, .width = 2, .value = 2, },
{ .offset = 21, .width = 1, .value = 1, },
{ .offset = 42, .width = 1, .value = 0, },
{ .offset = 0, .width = 0, .value = 0, },
};
vcap_encode_actionfield(&rule, &caf, &rf, tgt);
/* Action */
KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[0]);
KUNIT_EXPECT_EQ(test, (u32)((0x32 << (35 + 2 + 1 - sw_width)) & 0x1fffff), actwords[1]);
KUNIT_EXPECT_EQ(test, (u32)((0x32 >> ((2 * sw_width) - 38 - 1))), actwords[2]);
KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[3]);
KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[4]);
KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[5]);
KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[6]);
}
static void vcap_api_keyfield_typegroup_test(struct kunit *test)
{
const struct vcap_typegroup *tg;
tg = vcap_keyfield_typegroup(&test_vctrl, VCAP_TYPE_IS2, VCAP_KFS_MAC_ETYPE);
KUNIT_EXPECT_PTR_NE(test, NULL, tg);
KUNIT_EXPECT_EQ(test, 0, tg[0].offset);
KUNIT_EXPECT_EQ(test, 2, tg[0].width);
KUNIT_EXPECT_EQ(test, 2, tg[0].value);
KUNIT_EXPECT_EQ(test, 156, tg[1].offset);
KUNIT_EXPECT_EQ(test, 1, tg[1].width);
KUNIT_EXPECT_EQ(test, 0, tg[1].value);
KUNIT_EXPECT_EQ(test, 0, tg[2].offset);
KUNIT_EXPECT_EQ(test, 0, tg[2].width);
KUNIT_EXPECT_EQ(test, 0, tg[2].value);
tg = vcap_keyfield_typegroup(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_LL_FULL);
KUNIT_EXPECT_PTR_EQ(test, NULL, tg);
}
static void vcap_api_actionfield_typegroup_test(struct kunit *test)
{
const struct vcap_typegroup *tg;
tg = vcap_actionfield_typegroup(&test_vctrl, VCAP_TYPE_IS0, VCAP_AFS_FULL);
KUNIT_EXPECT_PTR_NE(test, NULL, tg);
KUNIT_EXPECT_EQ(test, 0, tg[0].offset);
KUNIT_EXPECT_EQ(test, 3, tg[0].width);
KUNIT_EXPECT_EQ(test, 4, tg[0].value);
KUNIT_EXPECT_EQ(test, 110, tg[1].offset);
KUNIT_EXPECT_EQ(test, 2, tg[1].width);
KUNIT_EXPECT_EQ(test, 0, tg[1].value);
KUNIT_EXPECT_EQ(test, 220, tg[2].offset);
KUNIT_EXPECT_EQ(test, 2, tg[2].width);
KUNIT_EXPECT_EQ(test, 0, tg[2].value);
KUNIT_EXPECT_EQ(test, 0, tg[3].offset);
KUNIT_EXPECT_EQ(test, 0, tg[3].width);
KUNIT_EXPECT_EQ(test, 0, tg[3].value);
tg = vcap_actionfield_typegroup(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_CLASSIFICATION);
KUNIT_EXPECT_PTR_EQ(test, NULL, tg);
}
static void vcap_api_vcap_keyfields_test(struct kunit *test)
{
const struct vcap_field *ft;
ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_KFS_MAC_ETYPE);
KUNIT_EXPECT_PTR_NE(test, NULL, ft);
/* Keyset that is not available and within the maximum keyset enum value */
ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_PURE_5TUPLE_IP4);
KUNIT_EXPECT_PTR_EQ(test, NULL, ft);
/* Keyset that is not available and beyond the maximum keyset enum value */
ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_LL_FULL);
KUNIT_EXPECT_PTR_EQ(test, NULL, ft);
}
static void vcap_api_vcap_actionfields_test(struct kunit *test)
{
const struct vcap_field *ft;
ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS0, VCAP_AFS_FULL);
KUNIT_EXPECT_PTR_NE(test, NULL, ft);
ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_FULL);
KUNIT_EXPECT_PTR_EQ(test, NULL, ft);
ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_CLASSIFICATION);
KUNIT_EXPECT_PTR_EQ(test, NULL, ft);
}
static void vcap_api_encode_rule_keyset_test(struct kunit *test)
{
u32 keywords[16] = {0};
u32 maskwords[16] = {0};
struct vcap_admin admin = {
.vtype = VCAP_TYPE_IS2,
.cache = {
.keystream = keywords,
.maskstream = maskwords,
},
};
struct vcap_rule_internal rule = {
.admin = &admin,
.data = {
.keyset = VCAP_KFS_MAC_ETYPE,
},
.vctrl = &test_vctrl,
};
struct vcap_client_keyfield ckf[] = {
{
.ctrl.key = VCAP_KF_TYPE,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0x00,
.data.u32.mask = 0x0f,
},
{
.ctrl.key = VCAP_KF_LOOKUP_FIRST_IS,
.ctrl.type = VCAP_FIELD_BIT,
.data.u1.value = 0x01,
.data.u1.mask = 0x01,
},
{
.ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_L3,
.ctrl.type = VCAP_FIELD_BIT,
.data.u1.value = 0x00,
.data.u1.mask = 0x01,
},
{
.ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_RNG,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0x00,
.data.u32.mask = 0x0f,
},
{
.ctrl.key = VCAP_KF_IF_IGR_PORT_MASK,
.ctrl.type = VCAP_FIELD_U72,
.data.u72.value = {0x0, 0x00, 0x00, 0x00},
.data.u72.mask = {0xfd, 0xff, 0xff, 0xff},
},
{
.ctrl.key = VCAP_KF_L2_DMAC,
.ctrl.type = VCAP_FIELD_U48,
/* Opposite endianness */
.data.u48.value = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06},
.data.u48.mask = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
},
{
.ctrl.key = VCAP_KF_ETYPE_LEN_IS,
.ctrl.type = VCAP_FIELD_BIT,
.data.u1.value = 0x01,
.data.u1.mask = 0x01,
},
{
.ctrl.key = VCAP_KF_ETYPE,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0xaabb,
.data.u32.mask = 0xffff,
},
};
int idx;
int ret;
/* Empty entry list */
INIT_LIST_HEAD(&rule.data.keyfields);
ret = vcap_encode_rule_keyset(&rule);
KUNIT_EXPECT_EQ(test, -EINVAL, ret);
for (idx = 0; idx < ARRAY_SIZE(ckf); idx++)
list_add_tail(&ckf[idx].ctrl.list, &rule.data.keyfields);
ret = vcap_encode_rule_keyset(&rule);
KUNIT_EXPECT_EQ(test, 0, ret);
/* The key and mask values below are from an actual Sparx5 rule config */
/* Key */
KUNIT_EXPECT_EQ(test, (u32)0x00000042, keywords[0]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[1]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[2]);
KUNIT_EXPECT_EQ(test, (u32)0x00020100, keywords[3]);
KUNIT_EXPECT_EQ(test, (u32)0x60504030, keywords[4]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[5]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[6]);
KUNIT_EXPECT_EQ(test, (u32)0x0002aaee, keywords[7]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[8]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[9]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[10]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[11]);
/* Mask: they will be inverted when applied to the register */
KUNIT_EXPECT_EQ(test, (u32)~0x00b07f80, maskwords[0]);
KUNIT_EXPECT_EQ(test, (u32)~0xfff00000, maskwords[1]);
KUNIT_EXPECT_EQ(test, (u32)~0xfffffffc, maskwords[2]);
KUNIT_EXPECT_EQ(test, (u32)~0xfff000ff, maskwords[3]);
KUNIT_EXPECT_EQ(test, (u32)~0x00000000, maskwords[4]);
KUNIT_EXPECT_EQ(test, (u32)~0xfffffff0, maskwords[5]);
KUNIT_EXPECT_EQ(test, (u32)~0xfffffffe, maskwords[6]);
KUNIT_EXPECT_EQ(test, (u32)~0xfffc0001, maskwords[7]);
KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[8]);
KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[9]);
KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[10]);
KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[11]);
}
static void vcap_api_encode_rule_actionset_test(struct kunit *test)
{
u32 actwords[16] = {0};
struct vcap_admin admin = {
.vtype = VCAP_TYPE_IS2,
.cache = {
.actionstream = actwords,
},
};
struct vcap_rule_internal rule = {
.admin = &admin,
.data = {
.actionset = VCAP_AFS_BASE_TYPE,
},
.vctrl = &test_vctrl,
};
struct vcap_client_actionfield caf[] = {
{
.ctrl.action = VCAP_AF_MATCH_ID,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0x01,
},
{
.ctrl.action = VCAP_AF_MATCH_ID_MASK,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0x01,
},
{
.ctrl.action = VCAP_AF_CNT_ID,
.ctrl.type = VCAP_FIELD_U32,
.data.u32.value = 0x64,
},
};
int idx;
int ret;
/* Empty entry list */
INIT_LIST_HEAD(&rule.data.actionfields);
ret = vcap_encode_rule_actionset(&rule);
/* We allow rules with no actions */
KUNIT_EXPECT_EQ(test, 0, ret);
for (idx = 0; idx < ARRAY_SIZE(caf); idx++)
list_add_tail(&caf[idx].ctrl.list, &rule.data.actionfields);
ret = vcap_encode_rule_actionset(&rule);
KUNIT_EXPECT_EQ(test, 0, ret);
/* The action values below are from an actual Sparx5 rule config */
KUNIT_EXPECT_EQ(test, (u32)0x00000002, actwords[0]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[1]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[2]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[3]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[4]);
KUNIT_EXPECT_EQ(test, (u32)0x00100000, actwords[5]);
KUNIT_EXPECT_EQ(test, (u32)0x06400010, actwords[6]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[7]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[8]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[9]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[10]);
KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[11]);
}
static struct kunit_case vcap_api_encoding_test_cases[] = {
KUNIT_CASE(vcap_api_set_bit_1_test),
KUNIT_CASE(vcap_api_set_bit_0_test),
KUNIT_CASE(vcap_api_iterator_init_test),
KUNIT_CASE(vcap_api_iterator_next_test),
KUNIT_CASE(vcap_api_encode_typegroups_test),
KUNIT_CASE(vcap_api_encode_bit_test),
KUNIT_CASE(vcap_api_encode_field_test),
KUNIT_CASE(vcap_api_encode_short_field_test),
KUNIT_CASE(vcap_api_encode_keyfield_test),
KUNIT_CASE(vcap_api_encode_max_keyfield_test),
KUNIT_CASE(vcap_api_encode_actionfield_test),
KUNIT_CASE(vcap_api_keyfield_typegroup_test),
KUNIT_CASE(vcap_api_actionfield_typegroup_test),
KUNIT_CASE(vcap_api_vcap_keyfields_test),
KUNIT_CASE(vcap_api_vcap_actionfields_test),
KUNIT_CASE(vcap_api_encode_rule_keyset_test),
KUNIT_CASE(vcap_api_encode_rule_actionset_test),
{}
};
static struct kunit_suite vcap_api_encoding_test_suite = {
.name = "VCAP_API_Encoding_Testsuite",
.test_cases = vcap_api_encoding_test_cases,
};
kunit_test_suite(vcap_api_encoding_test_suite);