diff options
| author | Haiyang Zhang <haiyangz@microsoft.com> | 2025-10-29 13:43:10 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-10-31 15:56:53 -0700 |
| commit | 54133f9b4b53ffa2204eb27cfc9d50072c9a52d2 (patch) | |
| tree | f7b36bd249ab8ebb0eef8dcd1f26e393a11d188b /include | |
| parent | 1a2352ad82b515035efe563f997ef8f5ca4f8080 (diff) | |
net: mana: Support HW link state events
Handle the NIC hardware link state events received from the HW
channel, then set the proper link state accordingly.
And, add a feature bit, GDMA_DRV_CAP_FLAG_1_HW_VPORT_LINK_AWARE,
to inform the NIC hardware this handler exists.
Our MANA NIC only sends out the link state down/up messages
when we need to let the VM rerun DHCP client and change IP
address. So, add netif_carrier_on() in the probe(), let the NIC
show the right initial state in /sys/class/net/ethX/operstate.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/1761770601-16920-1-git-send-email-haiyangz@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/mana/gdma.h | 4 | ||||
| -rw-r--r-- | include/net/mana/hw_channel.h | 2 | ||||
| -rw-r--r-- | include/net/mana/mana.h | 4 |
3 files changed, 9 insertions, 1 deletions
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index 57df78cfbf82..637f42485dba 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -590,6 +590,7 @@ enum { /* Driver can self reset on FPGA Reconfig EQE notification */ #define GDMA_DRV_CAP_FLAG_1_HANDLE_RECONFIG_EQE BIT(17) +#define GDMA_DRV_CAP_FLAG_1_HW_VPORT_LINK_AWARE BIT(6) #define GDMA_DRV_CAP_FLAGS1 \ (GDMA_DRV_CAP_FLAG_1_EQ_SHARING_MULTI_VPORT | \ @@ -599,7 +600,8 @@ enum { GDMA_DRV_CAP_FLAG_1_DEV_LIST_HOLES_SUP | \ GDMA_DRV_CAP_FLAG_1_DYNAMIC_IRQ_ALLOC_SUPPORT | \ GDMA_DRV_CAP_FLAG_1_SELF_RESET_ON_EQE | \ - GDMA_DRV_CAP_FLAG_1_HANDLE_RECONFIG_EQE) + GDMA_DRV_CAP_FLAG_1_HANDLE_RECONFIG_EQE | \ + GDMA_DRV_CAP_FLAG_1_HW_VPORT_LINK_AWARE) #define GDMA_DRV_CAP_FLAGS2 0 diff --git a/include/net/mana/hw_channel.h b/include/net/mana/hw_channel.h index 83cf93338eb3..16feb39616c1 100644 --- a/include/net/mana/hw_channel.h +++ b/include/net/mana/hw_channel.h @@ -24,6 +24,8 @@ #define HWC_INIT_DATA_PF_DEST_CQ_ID 11 #define HWC_DATA_CFG_HWC_TIMEOUT 1 +#define HWC_DATA_HW_LINK_CONNECT 2 +#define HWC_DATA_HW_LINK_DISCONNECT 3 #define HW_CHANNEL_WAIT_RESOURCE_TIMEOUT_MS 30000 diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h index 0921485565c0..8906901535f5 100644 --- a/include/net/mana/mana.h +++ b/include/net/mana/mana.h @@ -477,6 +477,10 @@ struct mana_context { struct dentry *mana_eqs_debugfs; struct net_device *ports[MAX_PORTS_IN_MANA_DEV]; + + /* Link state change work */ + struct work_struct link_change_work; + u32 link_event; }; struct mana_port_context { |