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This provides the VCAP model for the Sparx5 ES0 (Egress Stage 0) VCAP. This VCAP provides rewriting functionality in the egress path. Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
555 lines
15 KiB
C
555 lines
15 KiB
C
// SPDX-License-Identifier: BSD-3-Clause
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/* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries.
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* Microchip VCAP API kunit test suite
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*/
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#include <kunit/test.h>
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#include "vcap_api.h"
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#include "vcap_api_client.h"
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#include "vcap_api_debugfs.h"
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#include "vcap_model_kunit.h"
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/* First we have the test infrastructure that emulates the platform
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* implementation
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*/
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#define TEST_BUF_CNT 100
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#define TEST_BUF_SZ 350
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#define STREAMWSIZE 64
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static u32 test_updateaddr[STREAMWSIZE] = {};
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static int test_updateaddridx;
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static int test_cache_erase_count;
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static u32 test_init_start;
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static u32 test_init_count;
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static u32 test_hw_counter_id;
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static struct vcap_cache_data test_hw_cache;
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static struct net_device test_netdev = {};
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static int test_move_addr;
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static int test_move_offset;
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static int test_move_count;
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static char test_pr_buffer[TEST_BUF_CNT][TEST_BUF_SZ];
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static int test_pr_bufferidx;
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static int test_pr_idx;
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/* Callback used by the VCAP API */
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static enum vcap_keyfield_set test_val_keyset(struct net_device *ndev,
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struct vcap_admin *admin,
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struct vcap_rule *rule,
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struct vcap_keyset_list *kslist,
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u16 l3_proto)
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{
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int idx;
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if (kslist->cnt > 0) {
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switch (admin->vtype) {
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case VCAP_TYPE_IS0:
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for (idx = 0; idx < kslist->cnt; idx++) {
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if (kslist->keysets[idx] == VCAP_KFS_ETAG)
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return kslist->keysets[idx];
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if (kslist->keysets[idx] ==
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VCAP_KFS_PURE_5TUPLE_IP4)
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return kslist->keysets[idx];
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if (kslist->keysets[idx] ==
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VCAP_KFS_NORMAL_5TUPLE_IP4)
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return kslist->keysets[idx];
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if (kslist->keysets[idx] ==
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VCAP_KFS_NORMAL_7TUPLE)
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return kslist->keysets[idx];
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}
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break;
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case VCAP_TYPE_IS2:
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for (idx = 0; idx < kslist->cnt; idx++) {
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if (kslist->keysets[idx] == VCAP_KFS_MAC_ETYPE)
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return kslist->keysets[idx];
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if (kslist->keysets[idx] == VCAP_KFS_ARP)
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return kslist->keysets[idx];
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if (kslist->keysets[idx] == VCAP_KFS_IP_7TUPLE)
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return kslist->keysets[idx];
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}
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break;
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default:
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pr_info("%s:%d: no validation for VCAP %d\n",
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__func__, __LINE__, admin->vtype);
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break;
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}
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}
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return -EINVAL;
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}
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/* Callback used by the VCAP API */
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static void test_add_def_fields(struct net_device *ndev,
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struct vcap_admin *admin,
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struct vcap_rule *rule)
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{
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if (admin->vinst == 0 || admin->vinst == 2)
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vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS,
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VCAP_BIT_1);
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else
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vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS,
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VCAP_BIT_0);
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}
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/* Callback used by the VCAP API */
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static void test_cache_erase(struct vcap_admin *admin)
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{
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if (test_cache_erase_count) {
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memset(admin->cache.keystream, 0, test_cache_erase_count);
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memset(admin->cache.maskstream, 0, test_cache_erase_count);
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memset(admin->cache.actionstream, 0, test_cache_erase_count);
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test_cache_erase_count = 0;
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}
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}
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/* Callback used by the VCAP API */
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static void test_cache_init(struct net_device *ndev, struct vcap_admin *admin,
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u32 start, u32 count)
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{
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test_init_start = start;
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test_init_count = count;
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}
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/* Callback used by the VCAP API */
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static void test_cache_read(struct net_device *ndev, struct vcap_admin *admin,
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enum vcap_selection sel, u32 start, u32 count)
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{
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u32 *keystr, *mskstr, *actstr;
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int idx;
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pr_debug("%s:%d: %d %d\n", __func__, __LINE__, start, count);
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switch (sel) {
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case VCAP_SEL_ENTRY:
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keystr = &admin->cache.keystream[start];
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mskstr = &admin->cache.maskstream[start];
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for (idx = 0; idx < count; ++idx) {
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pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__,
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__LINE__, start + idx, keystr[idx]);
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}
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for (idx = 0; idx < count; ++idx) {
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/* Invert the mask before decoding starts */
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mskstr[idx] = ~mskstr[idx];
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pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__,
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__LINE__, start + idx, mskstr[idx]);
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}
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break;
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case VCAP_SEL_ACTION:
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actstr = &admin->cache.actionstream[start];
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for (idx = 0; idx < count; ++idx) {
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pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__,
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__LINE__, start + idx, actstr[idx]);
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}
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break;
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case VCAP_SEL_COUNTER:
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pr_debug("%s:%d\n", __func__, __LINE__);
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test_hw_counter_id = start;
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admin->cache.counter = test_hw_cache.counter;
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admin->cache.sticky = test_hw_cache.sticky;
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break;
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case VCAP_SEL_ALL:
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pr_debug("%s:%d\n", __func__, __LINE__);
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break;
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}
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}
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/* Callback used by the VCAP API */
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static void test_cache_write(struct net_device *ndev, struct vcap_admin *admin,
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enum vcap_selection sel, u32 start, u32 count)
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{
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u32 *keystr, *mskstr, *actstr;
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int idx;
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switch (sel) {
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case VCAP_SEL_ENTRY:
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keystr = &admin->cache.keystream[start];
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mskstr = &admin->cache.maskstream[start];
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for (idx = 0; idx < count; ++idx) {
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pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__,
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__LINE__, start + idx, keystr[idx]);
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}
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for (idx = 0; idx < count; ++idx) {
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/* Invert the mask before encoding starts */
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mskstr[idx] = ~mskstr[idx];
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pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__,
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__LINE__, start + idx, mskstr[idx]);
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}
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break;
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case VCAP_SEL_ACTION:
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actstr = &admin->cache.actionstream[start];
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for (idx = 0; idx < count; ++idx) {
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pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__,
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__LINE__, start + idx, actstr[idx]);
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}
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break;
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case VCAP_SEL_COUNTER:
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pr_debug("%s:%d\n", __func__, __LINE__);
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test_hw_counter_id = start;
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test_hw_cache.counter = admin->cache.counter;
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test_hw_cache.sticky = admin->cache.sticky;
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break;
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case VCAP_SEL_ALL:
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pr_err("%s:%d: cannot write all streams at once\n",
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__func__, __LINE__);
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break;
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}
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}
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/* Callback used by the VCAP API */
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static void test_cache_update(struct net_device *ndev, struct vcap_admin *admin,
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enum vcap_command cmd,
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enum vcap_selection sel, u32 addr)
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{
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if (test_updateaddridx < ARRAY_SIZE(test_updateaddr))
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test_updateaddr[test_updateaddridx] = addr;
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else
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pr_err("%s:%d: overflow: %d\n", __func__, __LINE__,
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test_updateaddridx);
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test_updateaddridx++;
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}
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static void test_cache_move(struct net_device *ndev, struct vcap_admin *admin,
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u32 addr, int offset, int count)
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{
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test_move_addr = addr;
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test_move_offset = offset;
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test_move_count = count;
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}
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/* Provide port information via a callback interface */
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static int vcap_test_port_info(struct net_device *ndev,
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struct vcap_admin *admin,
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struct vcap_output_print *out)
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{
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return 0;
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}
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static struct vcap_operations test_callbacks = {
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.validate_keyset = test_val_keyset,
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.add_default_fields = test_add_def_fields,
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.cache_erase = test_cache_erase,
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.cache_write = test_cache_write,
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.cache_read = test_cache_read,
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.init = test_cache_init,
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.update = test_cache_update,
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.move = test_cache_move,
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.port_info = vcap_test_port_info,
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};
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static struct vcap_control test_vctrl = {
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.vcaps = kunit_test_vcaps,
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.stats = &kunit_test_vcap_stats,
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.ops = &test_callbacks,
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};
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static void vcap_test_api_init(struct vcap_admin *admin)
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{
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/* Initialize the shared objects */
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INIT_LIST_HEAD(&test_vctrl.list);
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INIT_LIST_HEAD(&admin->list);
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INIT_LIST_HEAD(&admin->rules);
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INIT_LIST_HEAD(&admin->enabled);
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mutex_init(&admin->lock);
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list_add_tail(&admin->list, &test_vctrl.list);
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memset(test_updateaddr, 0, sizeof(test_updateaddr));
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test_updateaddridx = 0;
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test_pr_bufferidx = 0;
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test_pr_idx = 0;
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}
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/* callback used by the show_admin function */
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static __printf(2, 3)
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int test_prf(void *out, const char *fmt, ...)
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{
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static char test_buffer[TEST_BUF_SZ];
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va_list args;
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int idx, cnt;
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if (test_pr_bufferidx >= TEST_BUF_CNT) {
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pr_err("%s:%d: overflow: %d\n", __func__, __LINE__,
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test_pr_bufferidx);
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return 0;
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}
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va_start(args, fmt);
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cnt = vscnprintf(test_buffer, TEST_BUF_SZ, fmt, args);
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va_end(args);
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for (idx = 0; idx < cnt; ++idx) {
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test_pr_buffer[test_pr_bufferidx][test_pr_idx] =
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test_buffer[idx];
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if (test_buffer[idx] == '\n') {
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test_pr_buffer[test_pr_bufferidx][++test_pr_idx] = 0;
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test_pr_idx = 0;
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test_pr_bufferidx++;
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} else {
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++test_pr_idx;
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}
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}
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return cnt;
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}
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/* Define the test cases. */
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static void vcap_api_addr_keyset_test(struct kunit *test)
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{
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u32 keydata[12] = {
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0x40450042, 0x000feaf3, 0x00000003, 0x00050600,
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0x10203040, 0x00075880, 0x633c6864, 0x00040003,
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0x00000020, 0x00000008, 0x00000240, 0x00000000,
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};
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u32 mskdata[12] = {
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0x0030ff80, 0xfff00000, 0xfffffffc, 0xfff000ff,
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0x00000000, 0xfff00000, 0x00000000, 0xfff3fffc,
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0xffffffc0, 0xffffffff, 0xfffffc03, 0xffffffff,
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};
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u32 actdata[12] = {};
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struct vcap_admin admin = {
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.vtype = VCAP_TYPE_IS2,
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.cache = {
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.keystream = keydata,
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.maskstream = mskdata,
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.actionstream = actdata,
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},
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};
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enum vcap_keyfield_set keysets[10];
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struct vcap_keyset_list matches;
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int ret, idx, addr;
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vcap_test_api_init(&admin);
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/* Go from higher to lower addresses searching for a keyset */
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matches.keysets = keysets;
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matches.cnt = 0;
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matches.max = ARRAY_SIZE(keysets);
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for (idx = ARRAY_SIZE(keydata) - 1, addr = 799; idx > 0;
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--idx, --addr) {
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admin.cache.keystream = &keydata[idx];
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admin.cache.maskstream = &mskdata[idx];
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ret = vcap_addr_keysets(&test_vctrl, &test_netdev, &admin,
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addr, &matches);
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KUNIT_EXPECT_EQ(test, -EINVAL, ret);
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}
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/* Finally we hit the start of the rule */
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admin.cache.keystream = &keydata[idx];
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admin.cache.maskstream = &mskdata[idx];
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matches.cnt = 0;
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ret = vcap_addr_keysets(&test_vctrl, &test_netdev, &admin,
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addr, &matches);
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KUNIT_EXPECT_EQ(test, 0, ret);
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KUNIT_EXPECT_EQ(test, matches.cnt, 1);
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KUNIT_EXPECT_EQ(test, matches.keysets[0], VCAP_KFS_MAC_ETYPE);
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}
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static void vcap_api_show_admin_raw_test(struct kunit *test)
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{
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u32 keydata[4] = {
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0x40450042, 0x000feaf3, 0x00000003, 0x00050600,
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};
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u32 mskdata[4] = {
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0x0030ff80, 0xfff00000, 0xfffffffc, 0xfff000ff,
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};
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u32 actdata[12] = {};
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struct vcap_admin admin = {
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.vtype = VCAP_TYPE_IS2,
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.cache = {
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.keystream = keydata,
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.maskstream = mskdata,
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.actionstream = actdata,
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},
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.first_valid_addr = 786,
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.last_valid_addr = 788,
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};
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struct vcap_rule_internal ri = {
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.ndev = &test_netdev,
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};
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struct vcap_output_print out = {
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.prf = (void *)test_prf,
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};
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const char *test_expected =
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" addr: 786, X6 rule, keysets: VCAP_KFS_MAC_ETYPE\n";
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int ret;
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vcap_test_api_init(&admin);
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list_add_tail(&ri.list, &admin.rules);
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ret = vcap_show_admin_raw(&test_vctrl, &admin, &out);
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KUNIT_EXPECT_EQ(test, 0, ret);
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KUNIT_EXPECT_STREQ(test, test_expected, test_pr_buffer[0]);
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}
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static const char * const test_admin_info_expect[] = {
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"name: is2\n",
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"rows: 256\n",
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"sw_count: 12\n",
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"sw_width: 52\n",
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"sticky_width: 1\n",
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"act_width: 110\n",
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"default_cnt: 73\n",
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"require_cnt_dis: 0\n",
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"version: 1\n",
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"vtype: 3\n",
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"vinst: 0\n",
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"ingress: 1\n",
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"first_cid: 10000\n",
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"last_cid: 19999\n",
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"lookups: 4\n",
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"first_valid_addr: 0\n",
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"last_valid_addr: 3071\n",
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"last_used_addr: 794\n",
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};
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static void vcap_api_show_admin_test(struct kunit *test)
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{
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struct vcap_admin admin = {
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.vtype = VCAP_TYPE_IS2,
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.first_cid = 10000,
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.last_cid = 19999,
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.lookups = 4,
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.last_valid_addr = 3071,
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.first_valid_addr = 0,
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.last_used_addr = 794,
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.ingress = true,
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};
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struct vcap_output_print out = {
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.prf = (void *)test_prf,
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};
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int idx;
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vcap_test_api_init(&admin);
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vcap_show_admin_info(&test_vctrl, &admin, &out);
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for (idx = 0; idx < test_pr_bufferidx; ++idx) {
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/* pr_info("log[%02d]: %s", idx, test_pr_buffer[idx]); */
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KUNIT_EXPECT_STREQ(test, test_admin_info_expect[idx],
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test_pr_buffer[idx]);
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}
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}
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static const char * const test_admin_expect[] = {
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"name: is2\n",
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"rows: 256\n",
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"sw_count: 12\n",
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"sw_width: 52\n",
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"sticky_width: 1\n",
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"act_width: 110\n",
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"default_cnt: 73\n",
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"require_cnt_dis: 0\n",
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"version: 1\n",
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"vtype: 3\n",
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"vinst: 0\n",
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"ingress: 1\n",
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"first_cid: 8000000\n",
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"last_cid: 8199999\n",
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"lookups: 4\n",
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"first_valid_addr: 0\n",
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"last_valid_addr: 3071\n",
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"last_used_addr: 794\n",
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"\n",
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"rule: 100, addr: [794,799], X6, ctr[0]: 0, hit: 0\n",
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" chain_id: 0\n",
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" user: 0\n",
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" priority: 0\n",
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" state: permanent\n",
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" keysets: VCAP_KFS_MAC_ETYPE\n",
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" keyset_sw: 6\n",
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" keyset_sw_regs: 2\n",
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" ETYPE_LEN_IS: W1: 1/1\n",
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" IF_IGR_PORT_MASK: W32: 0xffabcd01/0xffffffff\n",
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" IF_IGR_PORT_MASK_RNG: W4: 5/15\n",
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" L2_DMAC: W48: 01:02:03:04:05:06/ff:ff:ff:ff:ff:ff\n",
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" L2_PAYLOAD_ETYPE: W64: 0x9000002000000081/0xff000000000000ff\n",
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" L2_SMAC: W48: b1:9e:34:32:75:88/ff:ff:ff:ff:ff:ff\n",
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" LOOKUP_FIRST_IS: W1: 1/1\n",
|
|
" TYPE: W4: 0/15\n",
|
|
" actionset: VCAP_AFS_BASE_TYPE\n",
|
|
" actionset_sw: 3\n",
|
|
" actionset_sw_regs: 4\n",
|
|
" CNT_ID: W12: 100\n",
|
|
" MATCH_ID: W16: 1\n",
|
|
" MATCH_ID_MASK: W16: 1\n",
|
|
" POLICE_ENA: W1: 1\n",
|
|
" PORT_MASK: W68: 0x0514670115f3324589\n",
|
|
};
|
|
|
|
static void vcap_api_show_admin_rule_test(struct kunit *test)
|
|
{
|
|
u32 keydata[] = {
|
|
0x40450042, 0x000feaf3, 0x00000003, 0x00050600,
|
|
0x10203040, 0x00075880, 0x633c6864, 0x00040003,
|
|
0x00000020, 0x00000008, 0x00000240, 0x00000000,
|
|
};
|
|
u32 mskdata[] = {
|
|
0x0030ff80, 0xfff00000, 0xfffffffc, 0xfff000ff,
|
|
0x00000000, 0xfff00000, 0x00000000, 0xfff3fffc,
|
|
0xffffffc0, 0xffffffff, 0xfffffc03, 0xffffffff,
|
|
};
|
|
u32 actdata[] = {
|
|
0x00040002, 0xf3324589, 0x14670115, 0x00000005,
|
|
0x00000000, 0x00100000, 0x06400010, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
};
|
|
struct vcap_admin admin = {
|
|
.vtype = VCAP_TYPE_IS2,
|
|
.first_cid = 8000000,
|
|
.last_cid = 8199999,
|
|
.lookups = 4,
|
|
.last_valid_addr = 3071,
|
|
.first_valid_addr = 0,
|
|
.last_used_addr = 794,
|
|
.ingress = true,
|
|
.cache = {
|
|
.keystream = keydata,
|
|
.maskstream = mskdata,
|
|
.actionstream = actdata,
|
|
},
|
|
};
|
|
struct vcap_rule_internal ri = {
|
|
.admin = &admin,
|
|
.data = {
|
|
.id = 100,
|
|
.keyset = VCAP_KFS_MAC_ETYPE,
|
|
.actionset = VCAP_AFS_BASE_TYPE,
|
|
},
|
|
.size = 6,
|
|
.keyset_sw = 6,
|
|
.keyset_sw_regs = 2,
|
|
.actionset_sw = 3,
|
|
.actionset_sw_regs = 4,
|
|
.addr = 794,
|
|
.vctrl = &test_vctrl,
|
|
};
|
|
struct vcap_output_print out = {
|
|
.prf = (void *)test_prf,
|
|
};
|
|
int ret, idx;
|
|
|
|
vcap_test_api_init(&admin);
|
|
list_add_tail(&ri.list, &admin.rules);
|
|
|
|
ret = vcap_show_admin(&test_vctrl, &admin, &out);
|
|
KUNIT_EXPECT_EQ(test, 0, ret);
|
|
for (idx = 0; idx < test_pr_bufferidx; ++idx) {
|
|
/* pr_info("log[%02d]: %s", idx, test_pr_buffer[idx]); */
|
|
KUNIT_EXPECT_STREQ(test, test_admin_expect[idx],
|
|
test_pr_buffer[idx]);
|
|
}
|
|
}
|
|
|
|
static struct kunit_case vcap_api_debugfs_test_cases[] = {
|
|
KUNIT_CASE(vcap_api_addr_keyset_test),
|
|
KUNIT_CASE(vcap_api_show_admin_raw_test),
|
|
KUNIT_CASE(vcap_api_show_admin_test),
|
|
KUNIT_CASE(vcap_api_show_admin_rule_test),
|
|
{}
|
|
};
|
|
|
|
static struct kunit_suite vcap_api_debugfs_test_suite = {
|
|
.name = "VCAP_API_DebugFS_Testsuite",
|
|
.test_cases = vcap_api_debugfs_test_cases,
|
|
};
|
|
|
|
kunit_test_suite(vcap_api_debugfs_test_suite);
|