Thread (7 messages) read the whole thread 7 messages, 2 authors, 2025-11-05
STALE268d REVIEWED: 3 (1M)

Revision v1 of 8 in this series; 3 review trailers.

Revisions (8)
  1. v1 [diff vs current]
  2. v1 [diff vs current]
  3. v1 [diff vs current]
  4. v1 [diff vs current]
  5. v1 [diff vs current]
  6. v1 [diff vs current]
  7. v1 [diff vs current]
  8. v1 current

[PATCH net 5/5] bnxt_en: Fix warning in bnxt_dl_reload_down()

From: Michael Chan <michael.chan@broadcom.com>
Date: 2025-11-04 00:57:59
Subsystem: broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers: Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Shantiprasad Shettar <redacted>

The existing code calls bnxt_cancel_reservations() after
bnxt_hwrm_func_drv_unrgtr() in bnxt_dl_reload_down().
bnxt_cancel_reservations() calls the FW and it will always fail since
the driver has already unregistered, triggering this warning:

bnxt_en 0000:0a:00.0 ens2np0: resc_qcaps failed

Fix it by calling bnxt_clear_reservations() which will skip the
unnecessary FW call since we have unregistered.

Fixes: 228ea8c187d8 ("bnxt_en: implement devlink dev reload driver_reinit")
Reviewed-by: Mohammad Shuab Siddique <redacted>
Reviewed-by: Somnath Kotur <redacted>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Shantiprasad Shettar <redacted>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c         | 2 +-
 drivers/net/ethernet/broadcom/bnxt/bnxt.h         | 1 +
 drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c0e9caa1df73..a625e7c311dd 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -12439,7 +12439,7 @@ static int bnxt_try_recover_fw(struct bnxt *bp)
 	return -ENODEV;
 }
 
-static void bnxt_clear_reservations(struct bnxt *bp, bool fw_reset)
+void bnxt_clear_reservations(struct bnxt *bp, bool fw_reset)
 {
 	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 7df46a21dd18..3613a172483a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -2941,6 +2941,7 @@ void bnxt_report_link(struct bnxt *bp);
 int bnxt_update_link(struct bnxt *bp, bool chng_link_state);
 int bnxt_hwrm_set_pause(struct bnxt *);
 int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
+void bnxt_clear_reservations(struct bnxt *bp, bool fw_reset);
 int bnxt_cancel_reservations(struct bnxt *bp, bool fw_reset);
 int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp);
 int bnxt_hwrm_free_wol_fltr(struct bnxt *bp);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index 02961d93ed35..67ca02d84c97 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -461,7 +461,7 @@ static int bnxt_dl_reload_down(struct devlink *dl, bool netns_change,
 			rtnl_unlock();
 			break;
 		}
-		bnxt_cancel_reservations(bp, false);
+		bnxt_clear_reservations(bp, false);
 		bnxt_free_ctx_mem(bp, false);
 		break;
 	}
-- 
2.51.0
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help