* [PATCH v11] net-next/bnx2x: refactor common code to bnx2x_stop_nic()
@ 2024-03-15 21:26 Thinh Tran
2024-03-18 11:50 ` Jiri Pirko
0 siblings, 1 reply; 2+ messages in thread
From: Thinh Tran @ 2024-03-15 21:26 UTC (permalink / raw)
To: jacob.e.keller, kuba
Cc: netdev, VENKATA.SAI.DUGGI, abdhalee, aelior, davem, drc,
edumazet, manishc, pabeni, simon.horman, skalluru, Thinh Tran
Refactor common code which disables and releases HW interrupts, deletes
NAPI objects, into a new bnx2x_stop_nic() function.
Fixes: bf23ffc8a9a7 ("bnx2x: new flag for track HW resource allocation")
v11: updated with coding style per Jacob's suggestion
this patch targets net-next
Signed-off-by: Thinh Tran <thinhtr@linux.ibm.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
---
.../net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 29 ++++++++++++-------
.../net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 1 +
.../net/ethernet/broadcom/bnx2x/bnx2x_main.c | 25 +++-------------
.../net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c | 12 ++------
4 files changed, 25 insertions(+), 42 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index c9b6acd8c892..a413b555059e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3098,17 +3098,8 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
if (!CHIP_IS_E1x(bp))
bnx2x_pf_disable(bp);
- if (!bp->nic_stopped) {
- /* Disable HW interrupts, NAPI */
- bnx2x_netif_stop(bp, 1);
- /* Delete all NAPI objects */
- bnx2x_del_all_napi(bp);
- if (CNIC_LOADED(bp))
- bnx2x_del_all_napi_cnic(bp);
- /* Release IRQs */
- bnx2x_free_irq(bp);
- bp->nic_stopped = true;
- }
+ /* Disable HW interrupts, delete NAPIs, Release IRQs */
+ bnx2x_stop_nic(bp, 1);
/* Report UNLOAD_DONE to MCP */
bnx2x_send_unload_done(bp, false);
@@ -5138,3 +5129,19 @@ void bnx2x_schedule_sp_rtnl(struct bnx2x *bp, enum sp_rtnl_flag flag,
flag);
schedule_delayed_work(&bp->sp_rtnl_task, 0);
}
+
+void bnx2x_stop_nic(struct bnx2x *bp, int disable_hw)
+{
+ if (bp->nic_stopped)
+ return;
+
+ /* Disable HW interrupts, NAPI */
+ bnx2x_netif_stop(bp, disable_hw);
+ /* Delete all NAPI objects */
+ bnx2x_del_all_napi(bp);
+ if (CNIC_LOADED(bp))
+ bnx2x_del_all_napi_cnic(bp);
+ /* Release IRQs */
+ bnx2x_free_irq(bp);
+ bp->nic_stopped = true;
+}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 0bc1367fd649..a35a02299b33 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -553,6 +553,7 @@ void bnx2x_free_skbs(struct bnx2x *bp);
void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
void bnx2x_netif_start(struct bnx2x *bp);
int bnx2x_load_cnic(struct bnx2x *bp);
+void bnx2x_stop_nic(struct bnx2x *bp, int disable_hw);
/**
* bnx2x_enable_msix - set msix configuration.
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 0d8e61c63c7c..ff75c883cffe 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9474,18 +9474,8 @@ void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
}
}
- if (!bp->nic_stopped) {
- /* Disable HW interrupts, NAPI */
- bnx2x_netif_stop(bp, 1);
- /* Delete all NAPI objects */
- bnx2x_del_all_napi(bp);
- if (CNIC_LOADED(bp))
- bnx2x_del_all_napi_cnic(bp);
-
- /* Release IRQs */
- bnx2x_free_irq(bp);
- bp->nic_stopped = true;
- }
+ /* Disable HW interrupts, delete NAPIs, Release IRQs */
+ bnx2x_stop_nic(bp, 1);
/* Reset the chip, unless PCI function is offline. If we reach this
* point following a PCI error handling, it means device is really
@@ -14241,16 +14231,9 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
}
bnx2x_drain_tx_queues(bp);
bnx2x_send_unload_req(bp, UNLOAD_RECOVERY);
- if (!bp->nic_stopped) {
- bnx2x_netif_stop(bp, 1);
- bnx2x_del_all_napi(bp);
- if (CNIC_LOADED(bp))
- bnx2x_del_all_napi_cnic(bp);
-
- bnx2x_free_irq(bp);
- bp->nic_stopped = true;
- }
+ /* Disable HW interrupts, delete NAPIs, Release IRQs */
+ bnx2x_stop_nic(bp, 1);
/* Report UNLOAD_DONE to MCP */
bnx2x_send_unload_done(bp, true);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index 8946a931e87e..e92e82423096 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -529,16 +529,8 @@ void bnx2x_vfpf_close_vf(struct bnx2x *bp)
bnx2x_vfpf_finalize(bp, &req->first_tlv);
free_irq:
- if (!bp->nic_stopped) {
- /* Disable HW interrupts, NAPI */
- bnx2x_netif_stop(bp, 0);
- /* Delete all NAPI objects */
- bnx2x_del_all_napi(bp);
-
- /* Release IRQs */
- bnx2x_free_irq(bp);
- bp->nic_stopped = true;
- }
+ /* Disable HW interrupts, delete NAPIs, Release IRQs */
+ bnx2x_stop_nic(bp, 0);
}
static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v11] net-next/bnx2x: refactor common code to bnx2x_stop_nic()
2024-03-15 21:26 [PATCH v11] net-next/bnx2x: refactor common code to bnx2x_stop_nic() Thinh Tran
@ 2024-03-18 11:50 ` Jiri Pirko
0 siblings, 0 replies; 2+ messages in thread
From: Jiri Pirko @ 2024-03-18 11:50 UTC (permalink / raw)
To: Thinh Tran
Cc: jacob.e.keller, kuba, netdev, VENKATA.SAI.DUGGI, abdhalee,
aelior, davem, drc, edumazet, manishc, pabeni, simon.horman,
skalluru
Fri, Mar 15, 2024 at 10:26:25PM CET, thinhtr@linux.ibm.com wrote:
>Refactor common code which disables and releases HW interrupts, deletes
>NAPI objects, into a new bnx2x_stop_nic() function.
>
>Fixes: bf23ffc8a9a7 ("bnx2x: new flag for track HW resource allocation")
>v11: updated with coding style per Jacob's suggestion
> this patch targets net-next
>
>Signed-off-by: Thinh Tran <thinhtr@linux.ibm.com>
>Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
net-next is closed. Resubmit next week please.
^ permalink raw reply [flat|nested] 2+ messages in thread
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