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Date:   Fri, 22 Sep 2023 15:29:41 +0200
From:   Philipp Hortmann <philipp.g.hortmann@gmail.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH 4/7] staging: rtl8192e: Remove mode IW_MODE_ADHOC from
 rtl_cam.c
Message-ID: <143345585dfcc0e920b2ba5fa614f626ab3ad8ee.1695387832.git.philipp.g.hortmann@gmail.com>
References: <cover.1695387832.git.philipp.g.hortmann@gmail.com>
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In-Reply-To: <cover.1695387832.git.philipp.g.hortmann@gmail.com>
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Remove unsupported mode IW_MODE_ADHOC from rtl_cam.c.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_cam.c | 61 +++------------------
 1 file changed, 7 insertions(+), 54 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
index 944cc73fb2b6..14b48cacfbbd 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
@@ -33,11 +33,6 @@ void rtl92e_enable_hw_security_config(struct net_device *dev)
 	     (priv->rtllib->auth_mode != 2)) {
 		SECR_value |= SCR_RxUseDK;
 		SECR_value |= SCR_TxUseDK;
-	} else if ((ieee->iw_mode == IW_MODE_ADHOC) &&
-		   (ieee->pairwise_key_type & (KEY_TYPE_CCMP |
-		   KEY_TYPE_TKIP))) {
-		SECR_value |= SCR_RxUseDK;
-		SECR_value |= SCR_TxUseDK;
 	}
 
 	ieee->hwsec_active = 1;
@@ -157,29 +152,14 @@ void rtl92e_cam_restore(struct net_device *dev)
 		}
 
 	} else if (priv->rtllib->pairwise_key_type == KEY_TYPE_TKIP) {
-		if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
-			rtl92e_set_key(dev, 4, 0,
-				       priv->rtllib->pairwise_key_type,
-				       (const u8 *)dev->dev_addr, 0,
-				       (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
-		} else {
-			rtl92e_set_key(dev, 4, 0,
-				       priv->rtllib->pairwise_key_type,
-				       MacAddr, 0,
-				       (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
-		}
-
+		rtl92e_set_key(dev, 4, 0,
+			       priv->rtllib->pairwise_key_type,
+			       MacAddr, 0,
+			       (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
 	} else if (priv->rtllib->pairwise_key_type == KEY_TYPE_CCMP) {
-		if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
-			rtl92e_set_key(dev, 4, 0,
-				       priv->rtllib->pairwise_key_type,
-				       (const u8 *)dev->dev_addr, 0,
-				       (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
-		} else {
-			rtl92e_set_key(dev, 4, 0,
-				       priv->rtllib->pairwise_key_type, MacAddr,
-				       0, (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
-			}
+		rtl92e_set_key(dev, 4, 0,
+			       priv->rtllib->pairwise_key_type, MacAddr,
+			       0, (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
 	}
 
 	if (priv->rtllib->group_key_type == KEY_TYPE_TKIP) {
@@ -192,19 +172,6 @@ void rtl92e_cam_restore(struct net_device *dev)
 					       (u32 *)(&priv->rtllib->swcamtable[EntryId].key_buf[0]));
 			}
 		}
-		if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
-			if (priv->rtllib->swcamtable[0].bused) {
-				rtl92e_set_key(dev, 0, 0,
-					       priv->rtllib->group_key_type,
-					       CAM_CONST_ADDR[0], 0,
-					       (u32 *)(&priv->rtllib->swcamtable[0].key_buf[0]));
-			} else {
-				netdev_warn(dev,
-					    "%s(): ADHOC TKIP: missing key entry.\n",
-					    __func__);
-				return;
-			}
-		}
 	} else if (priv->rtllib->group_key_type == KEY_TYPE_CCMP) {
 		MacAddr = CAM_CONST_BROAD;
 		for (EntryId = 1; EntryId < 4; EntryId++) {
@@ -215,19 +182,5 @@ void rtl92e_cam_restore(struct net_device *dev)
 					       (u32 *)(&priv->rtllib->swcamtable[EntryId].key_buf[0]));
 			}
 		}
-
-		if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
-			if (priv->rtllib->swcamtable[0].bused) {
-				rtl92e_set_key(dev, 0, 0,
-					       priv->rtllib->group_key_type,
-					       CAM_CONST_ADDR[0], 0,
-					       (u32 *)(&priv->rtllib->swcamtable[0].key_buf[0]));
-			} else {
-				netdev_warn(dev,
-					    "%s(): ADHOC CCMP: missing key entry.\n",
-					    __func__);
-				return;
-			}
-		}
 	}
 }
-- 
2.42.0