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Date: Tue, 17 Oct 2023 12:53:35 +0200
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Shannon Nelson <shannon.nelson@....com>,
Michael Chan <michael.chan@...adcom.com>,
Cai Huoqing <cai.huoqing@...ux.dev>,
George Cherian <george.cherian@...vell.com>,
Danielle Ratson <danieller@...dia.com>,
Moshe Shemesh <moshe@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>,
Ariel Elior <aelior@...vell.com>,
Manish Chopra <manishc@...vell.com>,
Igor Russkikh <irusskikh@...vell.com>,
Coiby Xu <coiby.xu@...il.com>
Cc: Brett Creeley <brett.creeley@....com>,
Sunil Goutham <sgoutham@...vell.com>,
Linu Cherian <lcherian@...vell.com>,
Geetha sowjanya <gakula@...vell.com>,
Jerin Jacob <jerinj@...vell.com>,
hariprasad <hkelam@...vell.com>,
Subbaraya Sundeep <sbhatta@...vell.com>,
Ido Schimmel <idosch@...dia.com>,
Petr Machata <petrm@...dia.com>,
Eran Ben Elisha <eranbe@...dia.com>,
Aya Levin <ayal@...lanox.com>,
Leon Romanovsky <leon@...nel.org>,
linux-kernel@...r.kernel.org,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>
Subject: [PATCH net-next v2 05/11] hinic: devlink health: use retained error fmsg API
Drop unneeded error checking.
devlink_fmsg_*() family of functions is now retaining errors,
so there is no need to check for them after each call.
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
---
add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-317 (-317)
---
.../net/ethernet/huawei/hinic/hinic_devlink.c | 217 +++++-------------
1 file changed, 56 insertions(+), 161 deletions(-)
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c
index 1749d26f4bef..03e42512a2d5 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c
@@ -315,220 +315,115 @@ void hinic_devlink_unregister(struct hinic_devlink_priv *priv)
devlink_unregister(devlink);
}
-static int chip_fault_show(struct devlink_fmsg *fmsg,
- struct hinic_fault_event *event)
+static void chip_fault_show(struct devlink_fmsg *fmsg,
+ struct hinic_fault_event *event)
{
const char * const level_str[FAULT_LEVEL_MAX + 1] = {
"fatal", "reset", "flr", "general", "suggestion", "Unknown"};
u8 fault_level;
- int err;
fault_level = (event->event.chip.err_level < FAULT_LEVEL_MAX) ?
event->event.chip.err_level : FAULT_LEVEL_MAX;
- if (fault_level == FAULT_LEVEL_SERIOUS_FLR) {
- err = devlink_fmsg_u32_pair_put(fmsg, "Function level err func_id",
- (u32)event->event.chip.func_id);
- if (err)
- return err;
- }
-
- err = devlink_fmsg_u8_pair_put(fmsg, "module_id", event->event.chip.node_id);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "err_type", (u32)event->event.chip.err_type);
- if (err)
- return err;
-
- err = devlink_fmsg_string_pair_put(fmsg, "err_level", level_str[fault_level]);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_addr",
- event->event.chip.err_csr_addr);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_value",
- event->event.chip.err_csr_value);
- if (err)
- return err;
-
- return 0;
+ if (fault_level == FAULT_LEVEL_SERIOUS_FLR)
+ devlink_fmsg_u32_pair_put(fmsg, "Function level err func_id",
+ (u32)event->event.chip.func_id);
+ devlink_fmsg_u8_pair_put(fmsg, "module_id", event->event.chip.node_id);
+ devlink_fmsg_u32_pair_put(fmsg, "err_type", (u32)event->event.chip.err_type);
+ devlink_fmsg_string_pair_put(fmsg, "err_level", level_str[fault_level]);
+ devlink_fmsg_u32_pair_put(fmsg, "err_csr_addr",
+ event->event.chip.err_csr_addr);
+ devlink_fmsg_u32_pair_put(fmsg, "err_csr_value",
+ event->event.chip.err_csr_value);
}
-static int fault_report_show(struct devlink_fmsg *fmsg,
- struct hinic_fault_event *event)
+static void fault_report_show(struct devlink_fmsg *fmsg,
+ struct hinic_fault_event *event)
{
const char * const type_str[FAULT_TYPE_MAX + 1] = {
"chip", "ucode", "mem rd timeout", "mem wr timeout",
"reg rd timeout", "reg wr timeout", "phy fault", "Unknown"};
u8 fault_type;
- int err;
fault_type = (event->type < FAULT_TYPE_MAX) ? event->type : FAULT_TYPE_MAX;
- err = devlink_fmsg_string_pair_put(fmsg, "Fault type", type_str[fault_type]);
- if (err)
- return err;
-
- err = devlink_fmsg_binary_pair_put(fmsg, "Fault raw data",
- event->event.val, sizeof(event->event.val));
- if (err)
- return err;
+ devlink_fmsg_string_pair_put(fmsg, "Fault type", type_str[fault_type]);
+ devlink_fmsg_binary_pair_put(fmsg, "Fault raw data", event->event.val,
+ sizeof(event->event.val));
switch (event->type) {
case FAULT_TYPE_CHIP:
- err = chip_fault_show(fmsg, event);
- if (err)
- return err;
+ chip_fault_show(fmsg, event);
break;
case FAULT_TYPE_UCODE:
- err = devlink_fmsg_u8_pair_put(fmsg, "Cause_id", event->event.ucode.cause_id);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "core_id", event->event.ucode.core_id);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "c_id", event->event.ucode.c_id);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "epc", event->event.ucode.epc);
- if (err)
- return err;
+ devlink_fmsg_u8_pair_put(fmsg, "Cause_id", event->event.ucode.cause_id);
+ devlink_fmsg_u8_pair_put(fmsg, "core_id", event->event.ucode.core_id);
+ devlink_fmsg_u8_pair_put(fmsg, "c_id", event->event.ucode.c_id);
+ devlink_fmsg_u8_pair_put(fmsg, "epc", event->event.ucode.epc);
break;
case FAULT_TYPE_MEM_RD_TIMEOUT:
case FAULT_TYPE_MEM_WR_TIMEOUT:
- err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr_ctrl",
- event->event.mem_timeout.err_csr_ctrl);
- if (err)
- return err;
- err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_data",
- event->event.mem_timeout.err_csr_data);
- if (err)
- return err;
- err = devlink_fmsg_u32_pair_put(fmsg, "ctrl_tab",
- event->event.mem_timeout.ctrl_tab);
- if (err)
- return err;
- err = devlink_fmsg_u32_pair_put(fmsg, "mem_index",
- event->event.mem_timeout.mem_index);
- if (err)
- return err;
+ devlink_fmsg_u32_pair_put(fmsg, "Err_csr_ctrl",
+ event->event.mem_timeout.err_csr_ctrl);
+ devlink_fmsg_u32_pair_put(fmsg, "err_csr_data",
+ event->event.mem_timeout.err_csr_data);
+ devlink_fmsg_u32_pair_put(fmsg, "ctrl_tab",
+ event->event.mem_timeout.ctrl_tab);
+ devlink_fmsg_u32_pair_put(fmsg, "mem_index",
+ event->event.mem_timeout.mem_index);
break;
case FAULT_TYPE_REG_RD_TIMEOUT:
case FAULT_TYPE_REG_WR_TIMEOUT:
- err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr", event->event.reg_timeout.err_csr);
- if (err)
- return err;
+ devlink_fmsg_u32_pair_put(fmsg, "Err_csr", event->event.reg_timeout.err_csr);
break;
case FAULT_TYPE_PHY_FAULT:
- err = devlink_fmsg_u8_pair_put(fmsg, "Op_type", event->event.phy_fault.op_type);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "port_id", event->event.phy_fault.port_id);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "dev_ad", event->event.phy_fault.dev_ad);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "csr_addr", event->event.phy_fault.csr_addr);
- if (err)
- return err;
- err = devlink_fmsg_u32_pair_put(fmsg, "op_data", event->event.phy_fault.op_data);
- if (err)
- return err;
+ devlink_fmsg_u8_pair_put(fmsg, "Op_type", event->event.phy_fault.op_type);
+ devlink_fmsg_u8_pair_put(fmsg, "port_id", event->event.phy_fault.port_id);
+ devlink_fmsg_u8_pair_put(fmsg, "dev_ad", event->event.phy_fault.dev_ad);
+ devlink_fmsg_u32_pair_put(fmsg, "csr_addr", event->event.phy_fault.csr_addr);
+ devlink_fmsg_u32_pair_put(fmsg, "op_data", event->event.phy_fault.op_data);
break;
default:
break;
}
-
- return 0;
}
static int hinic_hw_reporter_dump(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg, void *priv_ctx,
struct netlink_ext_ack *extack)
{
if (priv_ctx)
- return fault_report_show(fmsg, priv_ctx);
+ fault_report_show(fmsg, priv_ctx);
return 0;
}
-static int mgmt_watchdog_report_show(struct devlink_fmsg *fmsg,
- struct hinic_mgmt_watchdog_info *watchdog_info)
+static void mgmt_watchdog_report_show(struct devlink_fmsg *fmsg,
+ struct hinic_mgmt_watchdog_info *winfo)
{
- int err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "Mgmt deadloop time_h", watchdog_info->curr_time_h);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "time_l", watchdog_info->curr_time_l);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "task_id", watchdog_info->task_id);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "sp", watchdog_info->sp);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "stack_current_used", watchdog_info->curr_used);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "peak_used", watchdog_info->peak_used);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "\n Overflow_flag", watchdog_info->is_overflow);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "stack_top", watchdog_info->stack_top);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "stack_bottom", watchdog_info->stack_bottom);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "mgmt_pc", watchdog_info->pc);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "lr", watchdog_info->lr);
- if (err)
- return err;
-
- err = devlink_fmsg_u32_pair_put(fmsg, "cpsr", watchdog_info->cpsr);
- if (err)
- return err;
-
- err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt register info",
- watchdog_info->reg, sizeof(watchdog_info->reg));
- if (err)
- return err;
-
- err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt dump stack(start from sp)",
- watchdog_info->data, sizeof(watchdog_info->data));
- if (err)
- return err;
-
- return 0;
+ devlink_fmsg_u32_pair_put(fmsg, "Mgmt deadloop time_h", winfo->curr_time_h);
+ devlink_fmsg_u32_pair_put(fmsg, "time_l", winfo->curr_time_l);
+ devlink_fmsg_u32_pair_put(fmsg, "task_id", winfo->task_id);
+ devlink_fmsg_u32_pair_put(fmsg, "sp", winfo->sp);
+ devlink_fmsg_u32_pair_put(fmsg, "stack_current_used", winfo->curr_used);
+ devlink_fmsg_u32_pair_put(fmsg, "peak_used", winfo->peak_used);
+ devlink_fmsg_u32_pair_put(fmsg, "\n Overflow_flag", winfo->is_overflow);
+ devlink_fmsg_u32_pair_put(fmsg, "stack_top", winfo->stack_top);
+ devlink_fmsg_u32_pair_put(fmsg, "stack_bottom", winfo->stack_bottom);
+ devlink_fmsg_u32_pair_put(fmsg, "mgmt_pc", winfo->pc);
+ devlink_fmsg_u32_pair_put(fmsg, "lr", winfo->lr);
+ devlink_fmsg_u32_pair_put(fmsg, "cpsr", winfo->cpsr);
+ devlink_fmsg_binary_pair_put(fmsg, "Mgmt register info", winfo->reg,
+ sizeof(winfo->reg));
+ devlink_fmsg_binary_pair_put(fmsg, "Mgmt dump stack(start from sp)",
+ winfo->data, sizeof(winfo->data));
}
static int hinic_fw_reporter_dump(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg, void *priv_ctx,
struct netlink_ext_ack *extack)
{
if (priv_ctx)
- return mgmt_watchdog_report_show(fmsg, priv_ctx);
+ mgmt_watchdog_report_show(fmsg, priv_ctx);
return 0;
}
--
2.40.1
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