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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/drivers/net/wireless/ath/wil6210/txrx.h
....@@ -1,18 +1,7 @@
1
+/* SPDX-License-Identifier: ISC */
12 /*
23  * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
3
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
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- *
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- * Permission to use, copy, modify, and/or distribute this software for any
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- * purpose with or without fee is hereby granted, provided that the above
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- * copyright notice and this permission notice appear in all copies.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
165  */
176 
187 #ifndef WIL6210_TXRX_H
....@@ -354,8 +343,10 @@
354343 	u32 d0;
355344 	u32 d1;
356345 	u16 w4;
357
-	u16 pn_15_0;
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-	u32 pn_47_16;
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+	struct_group_attr(pn, __packed,
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+		u16 pn_15_0;
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+		u32 pn_47_16;
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+	);
359350 } __packed;
360351 
361352 /* Rx descriptor - DMA part
....@@ -423,6 +414,46 @@
423414 #define RX_DMA_STATUS_PHY_INFO	BIT(6)
424415 #define RX_DMA_STATUS_FFM	BIT(7) /* EtherType Flex Filter Match */
425416 
417
+/* IEEE 802.11, 8.5.2 EAPOL-Key frames */
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+#define WIL_KEY_INFO_KEY_TYPE BIT(3) /* val of 1 = Pairwise, 0 = Group key */
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+
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+#define WIL_KEY_INFO_MIC BIT(8)
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+#define WIL_KEY_INFO_ENCR_KEY_DATA BIT(12) /* for rsn only */
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+
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+#define WIL_EAP_NONCE_LEN 32
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+#define WIL_EAP_KEY_RSC_LEN 8
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+#define WIL_EAP_REPLAY_COUNTER_LEN 8
426
+#define WIL_EAP_KEY_IV_LEN 16
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+#define WIL_EAP_KEY_ID_LEN 8
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+
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+enum {
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+	WIL_1X_TYPE_EAP_PACKET = 0,
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+	WIL_1X_TYPE_EAPOL_START = 1,
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+	WIL_1X_TYPE_EAPOL_LOGOFF = 2,
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+	WIL_1X_TYPE_EAPOL_KEY = 3,
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+};
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+
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+#define WIL_EAPOL_KEY_TYPE_RSN 2
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+#define WIL_EAPOL_KEY_TYPE_WPA 254
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+
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+struct wil_1x_hdr {
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+	u8 version;
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+	u8 type;
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+	__be16 length;
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+	/* followed by data */
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+} __packed;
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+
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+struct wil_eapol_key {
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+	u8 type;
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+	__be16 key_info;
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+	__be16 key_length;
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+	u8 replay_counter[WIL_EAP_REPLAY_COUNTER_LEN];
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+	u8 key_nonce[WIL_EAP_NONCE_LEN];
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+	u8 key_iv[WIL_EAP_KEY_IV_LEN];
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+	u8 key_rsc[WIL_EAP_KEY_RSC_LEN];
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+	u8 key_id[WIL_EAP_KEY_ID_LEN];
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+} __packed;
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+
426457 struct vring_rx_dma {
427458 	u32 d0;
428459 	struct wil_ring_dma_addr addr;
....@@ -457,6 +488,18 @@
457488 	union wil_tx_desc tx;
458489 	union wil_rx_desc rx;
459490 } __packed;
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+
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+struct packet_rx_info {
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+	u8 cid;
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+};
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+
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+/* this struct will be stored in the skb cb buffer
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+ * max length of the struct is limited to 48 bytes
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+ */
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+struct skb_rx_info {
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+	struct vring_rx_desc rx_desc;
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+	struct packet_rx_info rx_info;
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+};
460503 
461504 static inline int wil_rxdesc_tid(struct vring_rx_desc *d)
462505 {
....@@ -530,11 +573,6 @@
530573 	return WIL_GET_BITS(d->mac.d1, 13, 14);
531574 }
532575 
533
-static inline int wil_rxdesc_phy_length(struct vring_rx_desc *d)
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-{
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-	return WIL_GET_BITS(d->dma.d0, 16, 29);
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-}
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-
538576 static inline struct vring_rx_desc *wil_skb_rxdesc(struct sk_buff *skb)
539577 {
540578 	return (void *)skb->cb;
....@@ -560,11 +598,25 @@
560598 	return wil_ring_next_tail(ring) == ring->swhead;
561599 }
562600 
563
-static inline bool wil_need_txstat(struct sk_buff *skb)
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+static inline u8 *wil_skb_get_da(struct sk_buff *skb)
564602 {
565603 	struct ethhdr *eth = (void *)skb->data;
566604 
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-	return is_unicast_ether_addr(eth->h_dest) && skb->sk &&
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+	return eth->h_dest;
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+}
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+
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+static inline u8 *wil_skb_get_sa(struct sk_buff *skb)
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+{
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+	struct ethhdr *eth = (void *)skb->data;
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+
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+	return eth->h_source;
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+}
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+
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+static inline bool wil_need_txstat(struct sk_buff *skb)
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+{
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+	const u8 *da = wil_skb_get_da(skb);
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+
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+	return is_unicast_ether_addr(da) && skb->sk &&
568620 	       (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS);
569621 }
570622 
....@@ -610,7 +662,23 @@
610662 	return val >= min && val < max;
611663 }
612664 
665
+static inline u8 wil_skb_get_cid(struct sk_buff *skb)
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+{
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+	struct skb_rx_info *skb_rx_info = (void *)skb->cb;
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+
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+	return skb_rx_info->rx_info.cid;
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+}
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+
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+static inline void wil_skb_set_cid(struct sk_buff *skb, u8 cid)
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+{
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+	struct skb_rx_info *skb_rx_info = (void *)skb->cb;
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+
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+	skb_rx_info->rx_info.cid = cid;
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+}
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+
613679 void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev);
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+void wil_netif_rx(struct sk_buff *skb, struct net_device *ndev, int cid,
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+		  struct wil_net_stats *stats, bool gro);
614682 void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb);
615683 void wil_rx_bar(struct wil6210_priv *wil, struct wil6210_vif *vif,
616684 		u8 cid, u8 tid, u16 seq);