diff mbox series

[net-next,v3,3/3] bnxt_en: implement callbacks for devlink selftests

Message ID 20220718062032.22426-4-vikas.gupta@broadcom.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series add framework for selftests in devlink | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 78 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Vikas Gupta July 18, 2022, 6:20 a.m. UTC
Add callbacks
=============
.selftest_check: returns true for flash selftest.
.selftest_run: runs a flash selftest.

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 | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index 6b3d4f4c2a75..927cf368d856 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 +612,62 @@  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, int test_id,
+				   struct netlink_ext_ack *extack)
+{
+	return (test_id == DEVLINK_SELFTEST_ATTR_FLASH);
+}
+
+static u8 bnxt_dl_selftest_run(struct devlink *dl, int test_id,
+			       struct netlink_ext_ack *extack)
+{
+	struct bnxt *bp = bnxt_get_bp_from_dl(dl);
+
+	if (test_id == DEVLINK_SELFTEST_ATTR_FLASH) {
+		return (bnxt_nvm_test(bp, extack) ? DEVLINK_SELFTEST_PASS :
+						    DEVLINK_SELFTEST_FAIL);
+	}
+
+	return DEVLINK_SELFTEST_SKIP;
+}
+
 static const struct devlink_ops bnxt_dl_ops = {
 #ifdef CONFIG_BNXT_SRIOV
 	.eswitch_mode_set = bnxt_dl_eswitch_mode_set,
@@ -622,6 +680,8 @@  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;