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[net-next] net: airoha: Reset BQL stopping the netdevice

Message ID 20241017-airoha-en7581-reset-bql-v1-1-08c0c9888de5@kernel.org (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series [net-next] net: airoha: Reset BQL stopping the netdevice | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 12 of 12 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
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: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 22 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-10-17--18-00 (tests: 776)

Commit Message

Lorenzo Bianconi Oct. 17, 2024, 2:01 p.m. UTC 
Run airoha_qdma_cleanup_tx_queue() in ndo_stop callback in order to
unmap pending skbs. Moreover, reset BQL txq state stopping the netdevice,

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/ethernet/mediatek/airoha_eth.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)


---
base-commit: e60fa8ebc2af54c2f62cc4ed63b85894dabf9101
change-id: 20241017-airoha-en7581-reset-bql-45e4bd5c20d1

Best regards,
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mediatek/airoha_eth.c b/drivers/net/ethernet/mediatek/airoha_eth.c
index 836a957aad77bec972c536567a4ee7d304ac7b52..23905f54f991fc8062542b890fbf002154676612 100644
--- a/drivers/net/ethernet/mediatek/airoha_eth.c
+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
@@ -2341,7 +2341,7 @@  static int airoha_dev_stop(struct net_device *dev)
 {
 	struct airoha_gdm_port *port = netdev_priv(dev);
 	struct airoha_qdma *qdma = port->qdma;
-	int err;
+	int i, err;
 
 	netif_tx_disable(dev);
 	err = airoha_set_gdm_ports(qdma->eth, false);
@@ -2352,6 +2352,14 @@  static int airoha_dev_stop(struct net_device *dev)
 			  GLOBAL_CFG_TX_DMA_EN_MASK |
 			  GLOBAL_CFG_RX_DMA_EN_MASK);
 
+	for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
+		if (!qdma->q_tx[i].ndesc)
+			continue;
+
+		airoha_qdma_cleanup_tx_queue(&qdma->q_tx[i]);
+		netdev_tx_reset_subqueue(dev, i);
+	}
+
 	return 0;
 }