From: Igor Mitsyanko <[email protected]>
Use MAC address of the first active radio as a unique device ID.
Signed-off-by: Igor Mitsyanko <[email protected]>
---
drivers/net/wireless/quantenna/qtnfmac/bus.h | 1 +
drivers/net/wireless/quantenna/qtnfmac/commands.c | 5 +----
drivers/net/wireless/quantenna/qtnfmac/core.c | 20 ++++++++++++++++++++
drivers/net/wireless/quantenna/qtnfmac/core.h | 1 -
4 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/quantenna/qtnfmac/bus.h b/drivers/net/wireless/quantenna/qtnfmac/bus.h
index 49372d42e471..87d048df09d1 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/bus.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/bus.h
@@ -67,6 +67,7 @@ struct qtnf_bus {
struct mutex bus_lock; /* lock during command/event processing */
struct dentry *dbg_dir;
struct notifier_block netdev_nb;
+ u8 hw_id[ETH_ALEN];
/* bus private data */
char bus_priv[0] __aligned(sizeof(void *));
};
diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c
index cbc56464220e..1c1b377932cf 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c
@@ -1242,10 +1242,7 @@ qtnf_cmd_resp_proc_mac_info(struct qtnf_wmac *mac,
mac_info = &mac->macinfo;
mac_info->bands_cap = resp_info->bands_cap;
- memcpy(&mac_info->dev_mac, &resp_info->dev_mac,
- sizeof(mac_info->dev_mac));
-
- ether_addr_copy(mac->macaddr, mac_info->dev_mac);
+ ether_addr_copy(mac->macaddr, resp_info->dev_mac);
vif = qtnf_mac_get_base_vif(mac);
if (vif)
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index 7300ab407cd6..a709e378928d 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -204,6 +204,21 @@ static int qtnf_netdev_set_mac_address(struct net_device *ndev, void *addr)
return ret;
}
+static int qtnf_netdev_port_parent_id(struct net_device *ndev,
+ struct netdev_phys_item_id *ppid)
+{
+ const struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
+ const struct qtnf_bus *bus = vif->mac->bus;
+
+ if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE))
+ return -EOPNOTSUPP;
+
+ ppid->id_len = sizeof(bus->hw_id);
+ memcpy(&ppid->id, bus->hw_id, ppid->id_len);
+
+ return 0;
+}
+
/* Network device ops handlers */
const struct net_device_ops qtnf_netdev_ops = {
.ndo_open = qtnf_netdev_open,
@@ -212,6 +227,7 @@ const struct net_device_ops qtnf_netdev_ops = {
.ndo_tx_timeout = qtnf_netdev_tx_timeout,
.ndo_get_stats64 = qtnf_netdev_get_stats64,
.ndo_set_mac_address = qtnf_netdev_set_mac_address,
+ .ndo_get_port_parent_id = qtnf_netdev_port_parent_id,
};
static int qtnf_mac_init_single_band(struct wiphy *wiphy,
@@ -565,6 +581,10 @@ static int qtnf_core_mac_attach(struct qtnf_bus *bus, unsigned int macid)
goto error;
}
+ /* Use MAC address of the first active radio as a unique device ID */
+ if (is_zero_ether_addr(mac->bus->hw_id))
+ ether_addr_copy(mac->bus->hw_id, mac->macaddr);
+
vif = qtnf_mac_get_base_vif(mac);
if (!vif) {
pr_err("MAC%u: primary VIF is not ready\n", macid);
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.h b/drivers/net/wireless/quantenna/qtnfmac/core.h
index 75b70f0c2b8e..116ec16aa15b 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.h
@@ -74,7 +74,6 @@ struct qtnf_vif {
struct qtnf_mac_info {
u8 bands_cap;
- u8 dev_mac[ETH_ALEN];
u8 num_tx_chain;
u8 num_rx_chain;
u16 max_ap_assoc_sta;
--
2.11.0