* [PATCH net-next v6 0/2] add framework for selftests in devlink
@ 2022-07-23 4:22 Vikas Gupta
2022-07-23 4:22 ` [PATCH net-next v6 1/2] devlink: introduce framework for selftests Vikas Gupta
2022-07-23 4:22 ` [PATCH net-next v6 2/2] bnxt_en: implement callbacks for devlink selftests Vikas Gupta
0 siblings, 2 replies; 10+ messages in thread
From: Vikas Gupta @ 2022-07-23 4:22 UTC (permalink / raw)
To: jiri, kuba
Cc: netdev, linux-kernel, davem, dsahern, stephen, edumazet, pabeni,
ast, leon, linux-doc, corbet, michael.chan, andrew.gospodarek,
Vikas Gupta
[-- Attachment #1: Type: text/plain, Size: 2311 bytes --]
Hi,
This patchset adds support for selftests in the devlink framework.
It adds a callback .selftests_check and .selftests_run in devlink_ops.
User can add test(s) suite which is subsequently passed to the driver
and driver can opt for running particular tests based on its capabilities.
Patchset adds a flash based test for the bnxt_en driver.
Suggested commands at user level would be as below:
changes from:
v5->v6:
Addressed change in .rst file only suggested by jiri@nvidia.com in patch v5.
v4->v5:
Addressed the changes requested by jiri@nvidia.com in patch v4.
v3->v4:
Addressed the changes requested by kuba@kernel.org in patch v3.
v2->v3:
1)
After discussions with jiri@nvidia.com, passing a testmask from
user to kernel is removed and a flag based arguments are adopted.
This way we can have more than 32/64 selftests defined in the
kernel.
Below is the format from user to kernel and vice-versa.
Kernel to user for show command . Users can know what all tests are
supported by the driver. A return from kernel to user if driver
supports TEST1, TEST4, and TEST7.
______
|NEST |
|_____ |TEST1|TEST4|TEST7|...
User to kernel to execute test: If user wants to execute test4, test8,
test1...
______
|NEST |
|_____ |TEST4|TEST8|TEST1|...
After executing the tests kernel return to user.
|NEST |
|_____ | NEST| |NEST| |NEST|
TEST4,RES4 TEST8,RES8 TEST1, RES1
2) Added dumpit in devlink for list/show command.
v1->v2:
Addressed the changes requested by kuba@kernel.org in patch v1.
Fixed the style issues.
Thanks,
Vikas
Vikas Gupta (2):
devlink: introduce framework for selftests
bnxt_en: implement callbacks for devlink selftests
.../networking/devlink/devlink-selftests.rst | 38 +++
.../net/ethernet/broadcom/bnxt/bnxt_devlink.c | 61 +++++
.../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 24 +-
.../net/ethernet/broadcom/bnxt/bnxt_ethtool.h | 12 +
include/net/devlink.h | 21 ++
include/uapi/linux/devlink.h | 32 +++
net/core/devlink.c | 223 ++++++++++++++++++
7 files changed, 399 insertions(+), 12 deletions(-)
create mode 100644 Documentation/networking/devlink/devlink-selftests.rst
--
2.31.1
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^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-23 4:22 [PATCH net-next v6 0/2] add framework for selftests in devlink Vikas Gupta
@ 2022-07-23 4:22 ` Vikas Gupta
2022-07-23 15:43 ` Jiri Pirko
2022-07-23 16:16 ` Jakub Kicinski
2022-07-23 4:22 ` [PATCH net-next v6 2/2] bnxt_en: implement callbacks for devlink selftests Vikas Gupta
1 sibling, 2 replies; 10+ messages in thread
From: Vikas Gupta @ 2022-07-23 4:22 UTC (permalink / raw)
To: jiri, kuba
Cc: netdev, linux-kernel, davem, dsahern, stephen, edumazet, pabeni,
ast, leon, linux-doc, corbet, michael.chan, andrew.gospodarek,
Vikas Gupta
[-- Attachment #1: Type: text/plain, Size: 12218 bytes --]
Add a framework for running selftests.
Framework exposes devlink commands and test suite(s) to the user
to execute and query the supported tests by the driver.
Below are new entries in devlink_nl_ops
devlink_nl_cmd_selftests_show_doit/dumpit: To query the supported
selftests by the drivers.
devlink_nl_cmd_selftests_run: To execute selftests. Users can
provide a test mask for executing group tests or standalone tests.
Documentation/networking/devlink/ path is already part of MAINTAINERS &
the new files come under this path. Hence no update needed to the
MAINTAINERS
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
---
.../networking/devlink/devlink-selftests.rst | 38 +++
include/net/devlink.h | 21 ++
include/uapi/linux/devlink.h | 32 +++
net/core/devlink.c | 223 ++++++++++++++++++
4 files changed, 314 insertions(+)
create mode 100644 Documentation/networking/devlink/devlink-selftests.rst
diff --git a/Documentation/networking/devlink/devlink-selftests.rst b/Documentation/networking/devlink/devlink-selftests.rst
new file mode 100644
index 000000000000..c6e6c6013991
--- /dev/null
+++ b/Documentation/networking/devlink/devlink-selftests.rst
@@ -0,0 +1,38 @@
+.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+=================
+Devlink Selftests
+=================
+
+The ``devlink-selftests`` API allows executing selftests on the device.
+
+Tests Mask
+==========
+The ``devlink-selftests`` command should be run with a mask indicating
+the tests to be executed.
+
+Tests Description
+=================
+The following is a list of tests that drivers may execute.
+
+.. list-table:: List of tests
+ :widths: 5 90
+
+ * - Name
+ - Description
+ * - ``DEVLINK_SELFTEST_FLASH``
+ - Devices may have the firmware on non-volatile memory on the board, e.g.
+ flash. This particular test helps to run a flash selftest on the device.
+ Implementation of the test is left to the driver/firmware.
+
+example usage
+-------------
+
+.. code:: shell
+
+ # Query selftests supported on the devlink device
+ $ devlink dev selftests show DEV
+ # Query selftests supported on all devlink devices
+ $ devlink dev selftests show
+ # Executes selftests on the device
+ $ devlink dev selftests run DEV test_id flash
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 88c701b375a2..e5d999217c8d 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -1509,6 +1509,27 @@ struct devlink_ops {
struct devlink_rate *parent,
void *priv_child, void *priv_parent,
struct netlink_ext_ack *extack);
+ /**
+ * selftests_check() - queries if selftest is supported
+ * @devlink: devlink instance
+ * @test_id: test index
+ * @extack: extack for reporting error messages
+ *
+ * Return: true if test is supported by the driver
+ */
+ bool (*selftest_check)(struct devlink *devlink, unsigned int test_id,
+ struct netlink_ext_ack *extack);
+ /**
+ * selftest_run() - Runs a selftest
+ * @devlink: devlink instance
+ * @test_id: test index
+ * @extack: extack for reporting error messages
+ *
+ * Return: status of the test
+ */
+ enum devlink_selftest_test_status
+ (*selftest_run)(struct devlink *devlink, unsigned int test_id,
+ struct netlink_ext_ack *extack);
};
void *devlink_priv(struct devlink *devlink);
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index b3d40a5d72ff..fcf5389e8305 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -136,6 +136,9 @@ enum devlink_command {
DEVLINK_CMD_LINECARD_NEW,
DEVLINK_CMD_LINECARD_DEL,
+ DEVLINK_CMD_SELFTESTS_GET, /* can dump */
+ DEVLINK_CMD_SELFTESTS_RUN,
+
/* add new commands above here */
__DEVLINK_CMD_MAX,
DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
@@ -276,6 +279,34 @@ enum {
#define DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS \
(_BITUL(__DEVLINK_FLASH_OVERWRITE_MAX_BIT) - 1)
+enum devlink_attr_selftest_test_id {
+ DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC,
+ DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH, /* flag */
+
+ __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX,
+ DEVLINK_ATTR_SELFTEST_TEST_ID_MAX = __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX - 1
+};
+
+enum devlink_selftest_test_status {
+ DEVLINK_SELFTEST_TEST_STATUS_SKIP,
+ DEVLINK_SELFTEST_TEST_STATUS_PASS,
+ DEVLINK_SELFTEST_TEST_STATUS_FAIL
+};
+
+enum devlink_attr_selftest_result {
+ DEVLINK_ATTR_SELFTEST_RESULT_UNSPEC,
+ DEVLINK_ATTR_SELFTEST_RESULT, /* nested */
+ DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID, /* u32,
+ * enum devlink_attr_selftest_test_id
+ */
+ DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS, /* u8,
+ * enum devlink_selftest_test_status
+ */
+
+ __DEVLINK_ATTR_SELFTEST_RESULT_MAX,
+ DEVLINK_ATTR_SELFTEST_RESULT_MAX = __DEVLINK_ATTR_SELFTEST_RESULT_MAX - 1
+};
+
/**
* enum devlink_trap_action - Packet trap action.
* @DEVLINK_TRAP_ACTION_DROP: Packet is dropped by the device and a copy is not
@@ -576,6 +607,7 @@ enum devlink_attr {
DEVLINK_ATTR_LINECARD_TYPE, /* string */
DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES, /* nested */
+ DEVLINK_ATTR_SELFTESTS_INFO, /* nested */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,
diff --git a/net/core/devlink.c b/net/core/devlink.c
index a9776ea923ae..3745d67b017e 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -198,6 +198,10 @@ static const struct nla_policy devlink_function_nl_policy[DEVLINK_PORT_FUNCTION_
DEVLINK_PORT_FN_STATE_ACTIVE),
};
+static const struct nla_policy devlink_selftest_nl_policy[DEVLINK_ATTR_SELFTEST_TEST_ID_MAX + 1] = {
+ [DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH] = { .type = NLA_FLAG },
+};
+
static DEFINE_XARRAY_FLAGS(devlinks, XA_FLAGS_ALLOC);
#define DEVLINK_REGISTERED XA_MARK_1
@@ -4791,6 +4795,213 @@ static int devlink_nl_cmd_flash_update(struct sk_buff *skb,
return ret;
}
+static int
+devlink_nl_selftests_fill(struct sk_buff *msg, struct devlink *devlink,
+ u32 portid, u32 seq, int flags,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *selftests_list;
+ void *hdr;
+ int err;
+ int i;
+
+ hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags,
+ DEVLINK_CMD_SELFTESTS_GET);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ err = -EMSGSIZE;
+ if (devlink_nl_put_handle(msg, devlink))
+ goto err_cancel_msg;
+
+ selftests_list = nla_nest_start(msg, DEVLINK_ATTR_SELFTESTS_INFO);
+ if (!selftests_list)
+ goto err_cancel_msg;
+
+ for (i = DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC + 1;
+ i <= DEVLINK_ATTR_SELFTEST_TEST_ID_MAX; i++) {
+ if (devlink->ops->selftest_check(devlink, i, extack)) {
+ err = nla_put_flag(msg, i);
+ if (err)
+ goto err_cancel_msg;
+ }
+ }
+
+ nla_nest_end(msg, selftests_list);
+ genlmsg_end(msg, hdr);
+ return 0;
+
+err_cancel_msg:
+ genlmsg_cancel(msg, hdr);
+ return err;
+}
+
+static int devlink_nl_cmd_selftests_get_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct sk_buff *msg;
+ int err;
+
+ if (!devlink->ops->selftest_check)
+ return -EOPNOTSUPP;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ err = devlink_nl_selftests_fill(msg, devlink, info->snd_portid,
+ info->snd_seq, 0, info->extack);
+ if (err) {
+ nlmsg_free(msg);
+ return err;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+static int devlink_nl_cmd_selftests_get_dumpit(struct sk_buff *msg,
+ struct netlink_callback *cb)
+{
+ struct devlink *devlink;
+ int start = cb->args[0];
+ unsigned long index;
+ int idx = 0;
+ int err = 0;
+
+ mutex_lock(&devlink_mutex);
+ xa_for_each_marked(&devlinks, index, devlink, DEVLINK_REGISTERED) {
+ if (!devlink_try_get(devlink))
+ continue;
+
+ if (!net_eq(devlink_net(devlink), sock_net(msg->sk)))
+ goto retry;
+
+ if (idx < start || !devlink->ops->selftest_check)
+ goto inc;
+
+ mutex_lock(&devlink->lock);
+ err = devlink_nl_selftests_fill(msg, devlink,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ cb->extack);
+ mutex_unlock(&devlink->lock);
+ if (err) {
+ devlink_put(devlink);
+ break;
+ }
+inc:
+ idx++;
+retry:
+ devlink_put(devlink);
+ }
+ mutex_unlock(&devlink_mutex);
+
+ if (err != -EMSGSIZE)
+ return err;
+
+ cb->args[0] = idx;
+ return msg->len;
+}
+
+static int devlink_selftest_result_put(struct sk_buff *skb, unsigned int test_id,
+ enum devlink_selftest_test_status test_status)
+{
+ struct nlattr *result_attr;
+
+ result_attr = nla_nest_start(skb, DEVLINK_ATTR_SELFTEST_RESULT);
+ if (!result_attr)
+ return -EMSGSIZE;
+
+ if (nla_put_u32(skb, DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID, test_id) ||
+ nla_put_u8(skb, DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS,
+ test_status))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, result_attr);
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, result_attr);
+ return -EMSGSIZE;
+}
+
+static int devlink_nl_cmd_selftests_run(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct nlattr *tb[DEVLINK_ATTR_SELFTEST_TEST_ID_MAX + 1];
+ struct devlink *devlink = info->user_ptr[0];
+ struct nlattr *attrs, *tests_info;
+ struct sk_buff *msg;
+ void *hdr;
+ int err;
+ int i;
+
+ if (!devlink->ops->selftest_run || !devlink->ops->selftest_check)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[DEVLINK_ATTR_SELFTESTS_INFO]) {
+ NL_SET_ERR_MSG_MOD(info->extack, "selftest information required");
+ return -EINVAL;
+ }
+
+ attrs = info->attrs[DEVLINK_ATTR_SELFTESTS_INFO];
+
+ err = nla_parse_nested(tb, DEVLINK_ATTR_SELFTEST_TEST_ID_MAX, attrs,
+ devlink_selftest_nl_policy, info->extack);
+ if (err < 0)
+ return err;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ err = -EMSGSIZE;
+ hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq,
+ &devlink_nl_family, 0, DEVLINK_CMD_SELFTESTS_RUN);
+ if (!hdr)
+ goto free_msg;
+
+ if (devlink_nl_put_handle(msg, devlink))
+ goto genlmsg_cancel;
+
+ tests_info = nla_nest_start(msg, DEVLINK_ATTR_SELFTESTS_INFO);
+ if (!tests_info)
+ goto genlmsg_cancel;
+
+ for (i = DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC + 1;
+ i <= DEVLINK_ATTR_SELFTEST_TEST_ID_MAX; i++) {
+ enum devlink_selftest_test_status test_status;
+
+ if (nla_get_flag(tb[i])) {
+ if (!devlink->ops->selftest_check(devlink, i,
+ info->extack)) {
+ if (devlink_selftest_result_put(msg, i,
+ DEVLINK_SELFTEST_TEST_STATUS_SKIP))
+ goto selftests_info_nest_cancel;
+ continue;
+ }
+
+ test_status = devlink->ops->selftest_run(devlink, i,
+ info->extack);
+ if (devlink_selftest_result_put(msg, i, test_status))
+ goto selftests_info_nest_cancel;
+ }
+ }
+
+ nla_nest_end(msg, tests_info);
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+selftests_info_nest_cancel:
+ nla_nest_cancel(msg, tests_info);
+genlmsg_cancel:
+ genlmsg_cancel(msg, hdr);
+free_msg:
+ nlmsg_free(msg);
+ return err;
+}
+
static const struct devlink_param devlink_param_generic[] = {
{
.id = DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
@@ -8997,6 +9208,7 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
[DEVLINK_ATTR_RATE_PARENT_NODE_NAME] = { .type = NLA_NUL_STRING },
[DEVLINK_ATTR_LINECARD_INDEX] = { .type = NLA_U32 },
[DEVLINK_ATTR_LINECARD_TYPE] = { .type = NLA_NUL_STRING },
+ [DEVLINK_ATTR_SELFTESTS_INFO] = { .type = NLA_NESTED },
};
static const struct genl_small_ops devlink_nl_ops[] = {
@@ -9356,6 +9568,17 @@ static const struct genl_small_ops devlink_nl_ops[] = {
.doit = devlink_nl_cmd_trap_policer_set_doit,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = DEVLINK_CMD_SELFTESTS_GET,
+ .doit = devlink_nl_cmd_selftests_get_doit,
+ .dumpit = devlink_nl_cmd_selftests_get_dumpit
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_SELFTESTS_RUN,
+ .doit = devlink_nl_cmd_selftests_run,
+ .flags = GENL_ADMIN_PERM,
+ },
};
static struct genl_family devlink_nl_family __ro_after_init = {
--
2.31.1
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^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH net-next v6 2/2] bnxt_en: implement callbacks for devlink selftests
2022-07-23 4:22 [PATCH net-next v6 0/2] add framework for selftests in devlink Vikas Gupta
2022-07-23 4:22 ` [PATCH net-next v6 1/2] devlink: introduce framework for selftests Vikas Gupta
@ 2022-07-23 4:22 ` Vikas Gupta
2022-07-23 15:44 ` Jiri Pirko
1 sibling, 1 reply; 10+ messages in thread
From: Vikas Gupta @ 2022-07-23 4:22 UTC (permalink / raw)
To: jiri, kuba
Cc: netdev, linux-kernel, davem, dsahern, stephen, edumazet, pabeni,
ast, leon, linux-doc, corbet, michael.chan, andrew.gospodarek,
Vikas Gupta
[-- Attachment #1: Type: text/plain, Size: 6334 bytes --]
Add callbacks
=============
.selftest_check: returns true for flash selftest.
.selftest_run: runs a flash selftest.
Also, refactor NVM APIs so that they can be
used with devlink and ethtool both.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
---
.../net/ethernet/broadcom/bnxt/bnxt_devlink.c | 61 +++++++++++++++++++
.../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 24 ++++----
.../net/ethernet/broadcom/bnxt/bnxt_ethtool.h | 12 ++++
3 files changed, 85 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index 6b3d4f4c2a75..27214fd1ee94 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -20,6 +20,8 @@
#include "bnxt_ulp.h"
#include "bnxt_ptp.h"
#include "bnxt_coredump.h"
+#include "bnxt_nvm_defs.h"
+#include "bnxt_ethtool.h"
static void __bnxt_fw_recover(struct bnxt *bp)
{
@@ -610,6 +612,63 @@ static int bnxt_dl_reload_up(struct devlink *dl, enum devlink_reload_action acti
return rc;
}
+static bool bnxt_nvm_test(struct bnxt *bp, struct netlink_ext_ack *extack)
+{
+ u32 datalen;
+ u16 index;
+ u8 *buf;
+
+ if (bnxt_find_nvram_item(bp->dev, BNX_DIR_TYPE_VPD,
+ BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
+ &index, NULL, &datalen) || !datalen) {
+ NL_SET_ERR_MSG_MOD(extack, "nvm test vpd entry error");
+ return false;
+ }
+
+ buf = kzalloc(datalen, GFP_KERNEL);
+ if (!buf) {
+ NL_SET_ERR_MSG_MOD(extack, "insufficient memory for nvm test");
+ return false;
+ }
+
+ if (bnxt_get_nvram_item(bp->dev, index, 0, datalen, buf)) {
+ NL_SET_ERR_MSG_MOD(extack, "nvm test vpd read error");
+ goto err;
+ }
+
+ if (bnxt_flash_nvram(bp->dev, BNX_DIR_TYPE_VPD, BNX_DIR_ORDINAL_FIRST,
+ BNX_DIR_EXT_NONE, 0, 0, buf, datalen)) {
+ NL_SET_ERR_MSG_MOD(extack, "nvm test vpd write error");
+ goto err;
+ }
+
+ return true;
+
+err:
+ kfree(buf);
+ return false;
+}
+
+static bool bnxt_dl_selftest_check(struct devlink *dl, unsigned int test_id,
+ struct netlink_ext_ack *extack)
+{
+ return test_id == DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH;
+}
+
+static enum devlink_selftest_test_status bnxt_dl_selftest_run(struct devlink *dl,
+ unsigned int test_id,
+ struct netlink_ext_ack *extack)
+{
+ struct bnxt *bp = bnxt_get_bp_from_dl(dl);
+
+ if (test_id == DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH)
+ return bnxt_nvm_test(bp, extack) ?
+ DEVLINK_SELFTEST_TEST_STATUS_PASS :
+ DEVLINK_SELFTEST_TEST_STATUS_FAIL;
+
+ return DEVLINK_SELFTEST_TEST_STATUS_SKIP;
+}
+
static const struct devlink_ops bnxt_dl_ops = {
#ifdef CONFIG_BNXT_SRIOV
.eswitch_mode_set = bnxt_dl_eswitch_mode_set,
@@ -622,6 +681,8 @@ static const struct devlink_ops bnxt_dl_ops = {
.reload_limits = BIT(DEVLINK_RELOAD_LIMIT_NO_RESET),
.reload_down = bnxt_dl_reload_down,
.reload_up = bnxt_dl_reload_up,
+ .selftest_check = bnxt_dl_selftest_check,
+ .selftest_run = bnxt_dl_selftest_run,
};
static const struct devlink_ops bnxt_vf_dl_ops;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 7191e5d74208..87eb5362ad70 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2176,14 +2176,14 @@ static void bnxt_print_admin_err(struct bnxt *bp)
netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
}
-static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
- u16 ext, u16 *index, u32 *item_length,
- u32 *data_length);
+int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
+ u16 ext, u16 *index, u32 *item_length,
+ u32 *data_length);
-static int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
- u16 dir_ordinal, u16 dir_ext, u16 dir_attr,
- u32 dir_item_len, const u8 *data,
- size_t data_len)
+int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
+ u16 dir_ordinal, u16 dir_ext, u16 dir_attr,
+ u32 dir_item_len, const u8 *data,
+ size_t data_len)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_nvm_write_input *req;
@@ -2836,8 +2836,8 @@ static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
return rc;
}
-static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
- u32 length, u8 *data)
+int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
+ u32 length, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
@@ -2871,9 +2871,9 @@ static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
return rc;
}
-static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
- u16 ext, u16 *index, u32 *item_length,
- u32 *data_length)
+int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
+ u16 ext, u16 *index, u32 *item_length,
+ u32 *data_length)
{
struct hwrm_nvm_find_dir_entry_output *output;
struct hwrm_nvm_find_dir_entry_input *req;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
index a59284215e78..a8ecef8ab82c 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
@@ -58,5 +58,17 @@ int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware
int bnxt_get_pkginfo(struct net_device *dev, char *ver, int size);
void bnxt_ethtool_init(struct bnxt *bp);
void bnxt_ethtool_free(struct bnxt *bp);
+int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
+ u16 ext, u16 *index, u32 *item_length,
+ u32 *data_length);
+int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
+ u16 ext, u16 *index, u32 *item_length,
+ u32 *data_length);
+int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
+ u16 dir_ordinal, u16 dir_ext, u16 dir_attr,
+ u32 dir_item_len, const u8 *data,
+ size_t data_len);
+int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
+ u32 length, u8 *data);
#endif
--
2.31.1
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^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-23 4:22 ` [PATCH net-next v6 1/2] devlink: introduce framework for selftests Vikas Gupta
@ 2022-07-23 15:43 ` Jiri Pirko
2022-07-23 16:16 ` Jakub Kicinski
1 sibling, 0 replies; 10+ messages in thread
From: Jiri Pirko @ 2022-07-23 15:43 UTC (permalink / raw)
To: Vikas Gupta
Cc: jiri, kuba, netdev, linux-kernel, davem, dsahern, stephen,
edumazet, pabeni, ast, leon, linux-doc, corbet, michael.chan,
andrew.gospodarek
Sat, Jul 23, 2022 at 06:22:05AM CEST, vikas.gupta@broadcom.com wrote:
>Add a framework for running selftests.
>Framework exposes devlink commands and test suite(s) to the user
>to execute and query the supported tests by the driver.
>
>Below are new entries in devlink_nl_ops
>devlink_nl_cmd_selftests_show_doit/dumpit: To query the supported
>selftests by the drivers.
>devlink_nl_cmd_selftests_run: To execute selftests. Users can
>provide a test mask for executing group tests or standalone tests.
>
>Documentation/networking/devlink/ path is already part of MAINTAINERS &
>the new files come under this path. Hence no update needed to the
>MAINTAINERS
>
>Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
>Reviewed-by: Michael Chan <michael.chan@broadcom.com>
>Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 2/2] bnxt_en: implement callbacks for devlink selftests
2022-07-23 4:22 ` [PATCH net-next v6 2/2] bnxt_en: implement callbacks for devlink selftests Vikas Gupta
@ 2022-07-23 15:44 ` Jiri Pirko
0 siblings, 0 replies; 10+ messages in thread
From: Jiri Pirko @ 2022-07-23 15:44 UTC (permalink / raw)
To: Vikas Gupta
Cc: jiri, kuba, netdev, linux-kernel, davem, dsahern, stephen,
edumazet, pabeni, ast, leon, linux-doc, corbet, michael.chan,
andrew.gospodarek
Sat, Jul 23, 2022 at 06:22:06AM CEST, vikas.gupta@broadcom.com wrote:
>Add callbacks
>=============
>.selftest_check: returns true for flash selftest.
>.selftest_run: runs a flash selftest.
>
>Also, refactor NVM APIs so that they can be
>used with devlink and ethtool both.
>
>Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
>Reviewed-by: Michael Chan <michael.chan@broadcom.com>
>Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-23 4:22 ` [PATCH net-next v6 1/2] devlink: introduce framework for selftests Vikas Gupta
2022-07-23 15:43 ` Jiri Pirko
@ 2022-07-23 16:16 ` Jakub Kicinski
2022-07-23 17:03 ` David Ahern
2022-07-25 7:53 ` Jiri Pirko
1 sibling, 2 replies; 10+ messages in thread
From: Jakub Kicinski @ 2022-07-23 16:16 UTC (permalink / raw)
To: Vikas Gupta
Cc: jiri, netdev, linux-kernel, davem, dsahern, stephen, edumazet,
pabeni, ast, leon, linux-doc, corbet, michael.chan,
andrew.gospodarek
On Sat, 23 Jul 2022 09:52:05 +0530 Vikas Gupta wrote:
> +enum devlink_attr_selftest_test_id {
> + DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC,
> + DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH, /* flag */
> +
> + __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX,
> + DEVLINK_ATTR_SELFTEST_TEST_ID_MAX = __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX - 1
> +};
> +
> +enum devlink_selftest_test_status {
> + DEVLINK_SELFTEST_TEST_STATUS_SKIP,
> + DEVLINK_SELFTEST_TEST_STATUS_PASS,
> + DEVLINK_SELFTEST_TEST_STATUS_FAIL
> +};
> +
> +enum devlink_attr_selftest_result {
> + DEVLINK_ATTR_SELFTEST_RESULT_UNSPEC,
> + DEVLINK_ATTR_SELFTEST_RESULT, /* nested */
> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID, /* u32,
> + * enum devlink_attr_selftest_test_id
> + */
> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS, /* u8,
> + * enum devlink_selftest_test_status
> + */
> +
> + __DEVLINK_ATTR_SELFTEST_RESULT_MAX,
> + DEVLINK_ATTR_SELFTEST_RESULT_MAX = __DEVLINK_ATTR_SELFTEST_RESULT_MAX - 1
Any thoughts on running:
sed -i '/_SELFTEST/ {s/_TEST_/_/g}' $patch
on this patch? For example DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS
is 40 characters long, ain't nobody typing that, and _TEST is repeated..
Otherwise LGTM!
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-23 16:16 ` Jakub Kicinski
@ 2022-07-23 17:03 ` David Ahern
2022-07-25 7:53 ` Jiri Pirko
1 sibling, 0 replies; 10+ messages in thread
From: David Ahern @ 2022-07-23 17:03 UTC (permalink / raw)
To: Jakub Kicinski, Vikas Gupta
Cc: jiri, netdev, linux-kernel, davem, stephen, edumazet, pabeni,
ast, leon, linux-doc, corbet, michael.chan, andrew.gospodarek
On 7/23/22 10:16 AM, Jakub Kicinski wrote:
> Any thoughts on running:
>
> sed -i '/_SELFTEST/ {s/_TEST_/_/g}' $patch
>
> on this patch? For example DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS
> is 40 characters long, ain't nobody typing that, and _TEST is repeated..
>
+1
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-23 16:16 ` Jakub Kicinski
2022-07-23 17:03 ` David Ahern
@ 2022-07-25 7:53 ` Jiri Pirko
2022-07-25 8:48 ` Vikas Gupta
1 sibling, 1 reply; 10+ messages in thread
From: Jiri Pirko @ 2022-07-25 7:53 UTC (permalink / raw)
To: Jakub Kicinski
Cc: Vikas Gupta, jiri, netdev, linux-kernel, davem, dsahern, stephen,
edumazet, pabeni, ast, leon, linux-doc, corbet, michael.chan,
andrew.gospodarek
Sat, Jul 23, 2022 at 06:16:00PM CEST, kuba@kernel.org wrote:
>On Sat, 23 Jul 2022 09:52:05 +0530 Vikas Gupta wrote:
>> +enum devlink_attr_selftest_test_id {
>> + DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC,
>> + DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH, /* flag */
>> +
>> + __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX,
>> + DEVLINK_ATTR_SELFTEST_TEST_ID_MAX = __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX - 1
>> +};
>> +
>> +enum devlink_selftest_test_status {
>> + DEVLINK_SELFTEST_TEST_STATUS_SKIP,
>> + DEVLINK_SELFTEST_TEST_STATUS_PASS,
>> + DEVLINK_SELFTEST_TEST_STATUS_FAIL
>> +};
>> +
>> +enum devlink_attr_selftest_result {
>> + DEVLINK_ATTR_SELFTEST_RESULT_UNSPEC,
>> + DEVLINK_ATTR_SELFTEST_RESULT, /* nested */
>> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID, /* u32,
>> + * enum devlink_attr_selftest_test_id
>> + */
>> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS, /* u8,
>> + * enum devlink_selftest_test_status
>> + */
>> +
>> + __DEVLINK_ATTR_SELFTEST_RESULT_MAX,
>> + DEVLINK_ATTR_SELFTEST_RESULT_MAX = __DEVLINK_ATTR_SELFTEST_RESULT_MAX - 1
>
>Any thoughts on running:
>
> sed -i '/_SELFTEST/ {s/_TEST_/_/g}' $patch
Sure, why not. But please make sure you keep all other related things
(variables, cmdline opts) consistent.
Thanks!
>
>on this patch? For example DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS
>is 40 characters long, ain't nobody typing that, and _TEST is repeated..
>
>Otherwise LGTM!
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-25 7:53 ` Jiri Pirko
@ 2022-07-25 8:48 ` Vikas Gupta
2022-07-25 11:07 ` Jiri Pirko
0 siblings, 1 reply; 10+ messages in thread
From: Vikas Gupta @ 2022-07-25 8:48 UTC (permalink / raw)
To: Jiri Pirko
Cc: Jakub Kicinski, Jiri Pirko, netdev, linux-kernel,
David S. Miller, dsahern, stephen, Eric Dumazet, pabeni, ast,
leon, linux-doc, corbet, Michael Chan, Andrew Gospodarek
[-- Attachment #1: Type: text/plain, Size: 2110 bytes --]
Hi Jiri,
On Mon, Jul 25, 2022 at 1:23 PM Jiri Pirko <jiri@resnulli.us> wrote:
>
> Sat, Jul 23, 2022 at 06:16:00PM CEST, kuba@kernel.org wrote:
> >On Sat, 23 Jul 2022 09:52:05 +0530 Vikas Gupta wrote:
> >> +enum devlink_attr_selftest_test_id {
> >> + DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC,
> >> + DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH, /* flag */
> >> +
> >> + __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX,
> >> + DEVLINK_ATTR_SELFTEST_TEST_ID_MAX = __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX - 1
> >> +};
> >> +
> >> +enum devlink_selftest_test_status {
> >> + DEVLINK_SELFTEST_TEST_STATUS_SKIP,
> >> + DEVLINK_SELFTEST_TEST_STATUS_PASS,
> >> + DEVLINK_SELFTEST_TEST_STATUS_FAIL
> >> +};
> >> +
> >> +enum devlink_attr_selftest_result {
> >> + DEVLINK_ATTR_SELFTEST_RESULT_UNSPEC,
> >> + DEVLINK_ATTR_SELFTEST_RESULT, /* nested */
> >> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID, /* u32,
> >> + * enum devlink_attr_selftest_test_id
> >> + */
> >> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS, /* u8,
> >> + * enum devlink_selftest_test_status
> >> + */
> >> +
> >> + __DEVLINK_ATTR_SELFTEST_RESULT_MAX,
> >> + DEVLINK_ATTR_SELFTEST_RESULT_MAX = __DEVLINK_ATTR_SELFTEST_RESULT_MAX - 1
> >
> >Any thoughts on running:
> >
> > sed -i '/_SELFTEST/ {s/_TEST_/_/g}' $patch
>
> Sure, why not. But please make sure you keep all other related things
> (variables, cmdline opts) consistent.
>
> Thanks!
Does the 'test_id' in command line
'devlink dev selftests run DEV test_id flash'
will still hold good if DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID changes
to DEVLINK_ATTR_SELFTEST_RESULT_ID ?
or it should be
'devlink dev selftests run DEV selftest_id flash' ?
Thanks,
Vikas
>
>
> >
> >on this patch? For example DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS
> >is 40 characters long, ain't nobody typing that, and _TEST is repeated..
> >
> >Otherwise LGTM!
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^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH net-next v6 1/2] devlink: introduce framework for selftests
2022-07-25 8:48 ` Vikas Gupta
@ 2022-07-25 11:07 ` Jiri Pirko
0 siblings, 0 replies; 10+ messages in thread
From: Jiri Pirko @ 2022-07-25 11:07 UTC (permalink / raw)
To: Vikas Gupta
Cc: Jakub Kicinski, Jiri Pirko, netdev, linux-kernel,
David S. Miller, dsahern, stephen, Eric Dumazet, pabeni, ast,
leon, linux-doc, corbet, Michael Chan, Andrew Gospodarek
Mon, Jul 25, 2022 at 10:48:39AM CEST, vikas.gupta@broadcom.com wrote:
>Hi Jiri,
>
>On Mon, Jul 25, 2022 at 1:23 PM Jiri Pirko <jiri@resnulli.us> wrote:
>>
>> Sat, Jul 23, 2022 at 06:16:00PM CEST, kuba@kernel.org wrote:
>> >On Sat, 23 Jul 2022 09:52:05 +0530 Vikas Gupta wrote:
>> >> +enum devlink_attr_selftest_test_id {
>> >> + DEVLINK_ATTR_SELFTEST_TEST_ID_UNSPEC,
>> >> + DEVLINK_ATTR_SELFTEST_TEST_ID_FLASH, /* flag */
>> >> +
>> >> + __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX,
>> >> + DEVLINK_ATTR_SELFTEST_TEST_ID_MAX = __DEVLINK_ATTR_SELFTEST_TEST_ID_MAX - 1
>> >> +};
>> >> +
>> >> +enum devlink_selftest_test_status {
>> >> + DEVLINK_SELFTEST_TEST_STATUS_SKIP,
>> >> + DEVLINK_SELFTEST_TEST_STATUS_PASS,
>> >> + DEVLINK_SELFTEST_TEST_STATUS_FAIL
>> >> +};
>> >> +
>> >> +enum devlink_attr_selftest_result {
>> >> + DEVLINK_ATTR_SELFTEST_RESULT_UNSPEC,
>> >> + DEVLINK_ATTR_SELFTEST_RESULT, /* nested */
>> >> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID, /* u32,
>> >> + * enum devlink_attr_selftest_test_id
>> >> + */
>> >> + DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS, /* u8,
>> >> + * enum devlink_selftest_test_status
>> >> + */
>> >> +
>> >> + __DEVLINK_ATTR_SELFTEST_RESULT_MAX,
>> >> + DEVLINK_ATTR_SELFTEST_RESULT_MAX = __DEVLINK_ATTR_SELFTEST_RESULT_MAX - 1
>> >
>> >Any thoughts on running:
>> >
>> > sed -i '/_SELFTEST/ {s/_TEST_/_/g}' $patch
>>
>> Sure, why not. But please make sure you keep all other related things
>> (variables, cmdline opts) consistent.
>>
>> Thanks!
>Does the 'test_id' in command line
> 'devlink dev selftests run DEV test_id flash'
>will still hold good if DEVLINK_ATTR_SELFTEST_RESULT_TEST_ID changes
>to DEVLINK_ATTR_SELFTEST_RESULT_ID ?
>or it should be
>'devlink dev selftests run DEV selftest_id flash' ?
Just "id". Thanks!
>
>Thanks,
>Vikas
>
>
>>
>>
>> >
>> >on this patch? For example DEVLINK_ATTR_SELFTEST_RESULT_TEST_STATUS
>> >is 40 characters long, ain't nobody typing that, and _TEST is repeated..
>> >
>> >Otherwise LGTM!
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2022-07-25 11:07 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-07-23 4:22 [PATCH net-next v6 0/2] add framework for selftests in devlink Vikas Gupta
2022-07-23 4:22 ` [PATCH net-next v6 1/2] devlink: introduce framework for selftests Vikas Gupta
2022-07-23 15:43 ` Jiri Pirko
2022-07-23 16:16 ` Jakub Kicinski
2022-07-23 17:03 ` David Ahern
2022-07-25 7:53 ` Jiri Pirko
2022-07-25 8:48 ` Vikas Gupta
2022-07-25 11:07 ` Jiri Pirko
2022-07-23 4:22 ` [PATCH net-next v6 2/2] bnxt_en: implement callbacks for devlink selftests Vikas Gupta
2022-07-23 15:44 ` Jiri Pirko
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