mwifiex: move under marvell vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 0 insertions, 318 deletions

diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
deleted file mode 100644
index aa498e0d2204..000000000000
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/*
- * Marvell Wireless LAN device driver: 802.11n Aggregation
- *
- * Copyright (C) 2011-2014, Marvell International Ltd.
- *
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
- * (the "License").  You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available by writing to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
- * this warranty disclaimer.
- */
-
-#include "decl.h"
-#include "ioctl.h"
-#include "util.h"
-#include "fw.h"
-#include "main.h"
-#include "wmm.h"
-#include "11n.h"
-#include "11n_aggr.h"
-
-/*
- * Creates an AMSDU subframe for aggregation into one AMSDU packet.
- *
- * The resultant AMSDU subframe format is -
- *
- * +---- ~ -----+---- ~ ------+---- ~ -----+----- ~ -----+---- ~ -----+
- * |     DA     |     SA      |   Length   | SNAP header |   MSDU     |
- * | data[0..5] | data[6..11] |            |             | data[14..] |
- * +---- ~ -----+---- ~ ------+---- ~ -----+----- ~ -----+---- ~ -----+
- * <--6-bytes--> <--6-bytes--> <--2-bytes--><--8-bytes--> <--n-bytes-->
- *
- * This function also computes the amount of padding required to make the
- * buffer length multiple of 4 bytes.
- *
- * Data => |DA|SA|SNAP-TYPE|........    .|
- * MSDU => |DA|SA|Length|SNAP|......   ..|
- */
-static int
-mwifiex_11n_form_amsdu_pkt(struct sk_buff *skb_aggr,
-			   struct sk_buff *skb_src, int *pad)
-
-{
-	int dt_offset;
-	struct rfc_1042_hdr snap = {
-		0xaa,		/* LLC DSAP */
-		0xaa,		/* LLC SSAP */
-		0x03,		/* LLC CTRL */
-		{0x00, 0x00, 0x00},	/* SNAP OUI */
-		0x0000		/* SNAP type */
-			/*
-			 * This field will be overwritten
-			 * later with ethertype
-			 */
-	};
-	struct tx_packet_hdr *tx_header;
-
-	tx_header = (void *)skb_put(skb_aggr, sizeof(*tx_header));
-
-	/* Copy DA and SA */
-	dt_offset = 2 * ETH_ALEN;
-	memcpy(&tx_header->eth803_hdr, skb_src->data, dt_offset);
-
-	/* Copy SNAP header */
-	snap.snap_type = ((struct ethhdr *)skb_src->data)->h_proto;
-
-	dt_offset += sizeof(__be16);
-
-	memcpy(&tx_header->rfc1042_hdr, &snap, sizeof(struct rfc_1042_hdr));
-
-	skb_pull(skb_src, dt_offset);
-
-	/* Update Length field */
-	tx_header->eth803_hdr.h_proto = htons(skb_src->len + LLC_SNAP_LEN);
-
-	/* Add payload */
-	memcpy(skb_put(skb_aggr, skb_src->len), skb_src->data, skb_src->len);
-
-	/* Add padding for new MSDU to start from 4 byte boundary */
-	*pad = (4 - ((unsigned long)skb_aggr->tail & 0x3)) % 4;
-
-	return skb_aggr->len + *pad;
-}
-
-/*
- * Adds TxPD to AMSDU header.
- *
- * Each AMSDU packet will contain one TxPD at the beginning,
- * followed by multiple AMSDU subframes.
- */
-static void
-mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
-			    struct sk_buff *skb)
-{
-	struct txpd *local_tx_pd;
-	struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb);
-	unsigned int pad;
-	int headroom = (priv->adapter->iface_type ==
-			MWIFIEX_USB) ? 0 : INTF_HEADER_LEN;
-
-	pad = ((void *)skb->data - sizeof(*local_tx_pd) -
-		headroom - NULL) & (MWIFIEX_DMA_ALIGN_SZ - 1);
-	skb_push(skb, pad);
-
-	skb_push(skb, sizeof(*local_tx_pd));
-
-	local_tx_pd = (struct txpd *) skb->data;
-	memset(local_tx_pd, 0, sizeof(struct txpd));
-
-	/* Original priority has been overwritten */
-	local_tx_pd->priority = (u8) skb->priority;
-	local_tx_pd->pkt_delay_2ms =
-		mwifiex_wmm_compute_drv_pkt_delay(priv, skb);
-	local_tx_pd->bss_num = priv->bss_num;
-	local_tx_pd->bss_type = priv->bss_type;
-	/* Always zero as the data is followed by struct txpd */
-	local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd) +
-						 pad);
-	local_tx_pd->tx_pkt_type = cpu_to_le16(PKT_TYPE_AMSDU);
-	local_tx_pd->tx_pkt_length = cpu_to_le16(skb->len -
-						 sizeof(*local_tx_pd) -
-						 pad);
-
-	if (tx_info->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
-		local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_TDLS_PACKET;
-
-	if (local_tx_pd->tx_control == 0)
-		/* TxCtrl set by user or default */
-		local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl);
-
-	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA &&
-	    priv->adapter->pps_uapsd_mode) {
-		if (true == mwifiex_check_last_packet_indication(priv)) {
-			priv->adapter->tx_lock_flag = true;
-			local_tx_pd->flags =
-				MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET;
-		}
-	}
-}
-
-/*
- * Create aggregated packet.
- *
- * This function creates an aggregated MSDU packet, by combining buffers
- * from the RA list. Each individual buffer is encapsulated as an AMSDU
- * subframe and all such subframes are concatenated together to form the
- * AMSDU packet.
- *
- * A TxPD is also added to the front of the resultant AMSDU packets for
- * transmission. The resultant packets format is -
- *
- * +---- ~ ----+------ ~ ------+------ ~ ------+-..-+------ ~ ------+
- * |    TxPD   |AMSDU sub-frame|AMSDU sub-frame| .. |AMSDU sub-frame|
- * |           |       1       |       2       | .. |       n       |
- * +---- ~ ----+------ ~ ------+------ ~ ------+ .. +------ ~ ------+
- */
-int
-mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
-			  struct mwifiex_ra_list_tbl *pra_list,
-			  int ptrindex, unsigned long ra_list_flags)
-			  __releases(&priv->wmm.ra_list_spinlock)
-{
-	struct mwifiex_adapter *adapter = priv->adapter;
-	struct sk_buff *skb_aggr, *skb_src;
-	struct mwifiex_txinfo *tx_info_aggr, *tx_info_src;
-	int pad = 0, aggr_num = 0, ret;
-	struct mwifiex_tx_param tx_param;
-	struct txpd *ptx_pd = NULL;
-	int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN;
-
-	skb_src = skb_peek(&pra_list->skb_head);
-	if (!skb_src) {
-		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
-				       ra_list_flags);
-		return 0;
-	}
-
-	tx_info_src = MWIFIEX_SKB_TXCB(skb_src);
-	skb_aggr = mwifiex_alloc_dma_align_buf(adapter->tx_buf_size,
-					       GFP_ATOMIC | GFP_DMA);
-	if (!skb_aggr) {
-		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
-				       ra_list_flags);
-		return -1;
-	}
-	skb_reserve(skb_aggr, MWIFIEX_MIN_DATA_HEADER_LEN);
-	tx_info_aggr =  MWIFIEX_SKB_TXCB(skb_aggr);
-
-	memset(tx_info_aggr, 0, sizeof(*tx_info_aggr));
-	tx_info_aggr->bss_type = tx_info_src->bss_type;
-	tx_info_aggr->bss_num = tx_info_src->bss_num;
-
-	if (tx_info_src->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
-		tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
-	tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_AGGR_PKT;
-	skb_aggr->priority = skb_src->priority;
-	skb_aggr->tstamp = skb_src->tstamp;
-
-	skb_aggr->tstamp = ktime_get_real();
-
-	do {
-		/* Check if AMSDU can accommodate this MSDU */
-		if (skb_tailroom(skb_aggr) < (skb_src->len + LLC_SNAP_LEN))
-			break;
-
-		skb_src = skb_dequeue(&pra_list->skb_head);
-		pra_list->total_pkt_count--;
-		atomic_dec(&priv->wmm.tx_pkts_queued);
-		aggr_num++;
-		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
-				       ra_list_flags);
-		mwifiex_11n_form_amsdu_pkt(skb_aggr, skb_src, &pad);
-
-		mwifiex_write_data_complete(adapter, skb_src, 0, 0);
-
-		spin_lock_irqsave(&priv->wmm.ra_list_spinlock, ra_list_flags);
-
-		if (!mwifiex_is_ralist_valid(priv, pra_list, ptrindex)) {
-			spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
-					       ra_list_flags);
-			return -1;
-		}
-
-		if (skb_tailroom(skb_aggr) < pad) {
-			pad = 0;
-			break;
-		}
-		skb_put(skb_aggr, pad);
-
-		skb_src = skb_peek(&pra_list->skb_head);
-
-	} while (skb_src);
-
-	spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags);
-
-	/* Last AMSDU packet does not need padding */
-	skb_trim(skb_aggr, skb_aggr->len - pad);
-
-	/* Form AMSDU */
-	mwifiex_11n_form_amsdu_txpd(priv, skb_aggr);
-	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA)
-		ptx_pd = (struct txpd *)skb_aggr->data;
-
-	skb_push(skb_aggr, headroom);
-	tx_info_aggr->aggr_num = aggr_num * 2;
-	if (adapter->data_sent || adapter->tx_lock_flag) {
-		atomic_add(aggr_num * 2, &adapter->tx_queued);
-		skb_queue_tail(&adapter->tx_data_q, skb_aggr);
-		return 0;
-	}
-
-	if (adapter->iface_type == MWIFIEX_USB) {
-		ret = adapter->if_ops.host_to_card(adapter, priv->usb_port,
-						   skb_aggr, NULL);
-	} else {
-		if (skb_src)
-			tx_param.next_pkt_len =
-					skb_src->len + sizeof(struct txpd);
-		else
-			tx_param.next_pkt_len = 0;
-
-		ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA,
-						   skb_aggr, &tx_param);
-	}
-	switch (ret) {
-	case -EBUSY:
-		spin_lock_irqsave(&priv->wmm.ra_list_spinlock, ra_list_flags);
-		if (!mwifiex_is_ralist_valid(priv, pra_list, ptrindex)) {
-			spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
-					       ra_list_flags);
-			mwifiex_write_data_complete(adapter, skb_aggr, 1, -1);
-			return -1;
-		}
-		if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA &&
-		    adapter->pps_uapsd_mode && adapter->tx_lock_flag) {
-				priv->adapter->tx_lock_flag = false;
-				if (ptx_pd)
-					ptx_pd->flags = 0;
-		}
-
-		skb_queue_tail(&pra_list->skb_head, skb_aggr);
-
-		pra_list->total_pkt_count++;
-
-		atomic_inc(&priv->wmm.tx_pkts_queued);
-
-		tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT;
-		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
-				       ra_list_flags);
-		mwifiex_dbg(adapter, ERROR, "data: -EBUSY is returned\n");
-		break;
-	case -1:
-		mwifiex_dbg(adapter, ERROR, "%s: host_to_card failed: %#x\n",
-			    __func__, ret);
-		adapter->dbg.num_tx_host_to_card_failure++;
-		mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
-		return 0;
-	case -EINPROGRESS:
-		break;
-	case 0:
-		mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
-		break;
-	default:
-		break;
-	}
-	if (ret != -EBUSY) {
-		mwifiex_rotate_priolists(priv, pra_list, ptrindex);
-	}
-
-	return 0;
-}