diff options
| author | Dipayaan Roy <dipayanroy@linux.microsoft.com> | 2026-01-12 05:05:52 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-01-13 19:14:36 -0800 |
| commit | 3b194343c25084a8d2fa0c0f2c9e80f3080fd732 (patch) | |
| tree | 38ed25c220b2226e9c86a962d2e9e87d323a8c1a /include | |
| parent | 969994f03237aa99c1add0606fa4343245d9a2cc (diff) | |
net: mana: Implement ndo_tx_timeout and serialize queue resets per port.
Implement .ndo_tx_timeout for MANA so any stalled TX queue can be detected
and a device-controlled port reset for all queues can be scheduled to a
ordered workqueue. The reset for all queues on stall detection is
recomended by hardware team.
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Dipayaan Roy <dipayanroy@linux.microsoft.com>
Link: https://patch.msgid.link/20260112130552.GA11785@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/mana/gdma.h | 7 | ||||
| -rw-r--r-- | include/net/mana/mana.h | 3 |
2 files changed, 8 insertions, 2 deletions
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index eaa27483f99b..a59bd4035a99 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -598,6 +598,10 @@ enum { /* Driver can self reset on FPGA Reconfig EQE notification */ #define GDMA_DRV_CAP_FLAG_1_HANDLE_RECONFIG_EQE BIT(17) + +/* Driver detects stalled send queues and recovers them */ +#define GDMA_DRV_CAP_FLAG_1_HANDLE_STALL_SQ_RECOVERY BIT(18) + #define GDMA_DRV_CAP_FLAG_1_HW_VPORT_LINK_AWARE BIT(6) /* Driver supports linearizing the skb when num_sge exceeds hardware limit */ @@ -621,7 +625,8 @@ enum { GDMA_DRV_CAP_FLAG_1_HW_VPORT_LINK_AWARE | \ GDMA_DRV_CAP_FLAG_1_PERIODIC_STATS_QUERY | \ GDMA_DRV_CAP_FLAG_1_SKB_LINEARIZE | \ - GDMA_DRV_CAP_FLAG_1_PROBE_RECOVERY) + GDMA_DRV_CAP_FLAG_1_PROBE_RECOVERY | \ + GDMA_DRV_CAP_FLAG_1_HANDLE_STALL_SQ_RECOVERY) #define GDMA_DRV_CAP_FLAGS2 0 diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h index d7e089c6b694..a078af283bdd 100644 --- a/include/net/mana/mana.h +++ b/include/net/mana/mana.h @@ -480,7 +480,7 @@ struct mana_context { struct mana_ethtool_hc_stats hc_stats; struct mana_eq *eqs; struct dentry *mana_eqs_debugfs; - + struct workqueue_struct *per_port_queue_reset_wq; /* Workqueue for querying hardware stats */ struct delayed_work gf_stats_work; bool hwc_timeout_occurred; @@ -495,6 +495,7 @@ struct mana_context { struct mana_port_context { struct mana_context *ac; struct net_device *ndev; + struct work_struct queue_reset_work; u8 mac_addr[ETH_ALEN]; |