2023-12-18 14:37:23

by Martin Kaistra

[permalink] [raw]
Subject: [PATCH 02/20] wifi: rtl8xxxu: prepare supporting two virtual interfaces

To prepare for concurrent mode, add an array ("vifs") to rtl8xxxu_priv
to keep track of both interfaces.

Keep the old priv->vif as long there are still users of it and let
priv->vifs[0] point to the same location.

Signed-off-by: Martin Kaistra <[email protected]>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 2 ++
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 10 +++++++---
2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 4695fb4e2d2db..b63fe084de92b 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -1897,6 +1897,8 @@ struct rtl8xxxu_priv {
* is supported and no iface_combinations are provided.
*/
struct ieee80211_vif *vif;
+
+ struct ieee80211_vif *vifs[2];
struct delayed_work ra_watchdog;
struct work_struct c2hcmd_work;
struct sk_buff_head c2hcmd_queue;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 2dbed43ef22a5..5b7c20970a973 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6569,10 +6569,12 @@ static int rtl8xxxu_add_interface(struct ieee80211_hw *hw,
int ret;
u8 val8;

- if (!priv->vif)
+ if (!priv->vif) {
priv->vif = vif;
- else
+ priv->vifs[0] = vif;
+ } else {
return -EOPNOTSUPP;
+ }

switch (vif->type) {
case NL80211_IFTYPE_STATION:
@@ -6622,8 +6624,10 @@ static void rtl8xxxu_remove_interface(struct ieee80211_hw *hw,

dev_dbg(&priv->udev->dev, "%s\n", __func__);

- if (priv->vif)
+ if (priv->vif) {
priv->vif = NULL;
+ priv->vifs[0] = NULL;
+ }
}

static int rtl8xxxu_config(struct ieee80211_hw *hw, u32 changed)
--
2.39.2