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author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-17 21:14:51 +0200 |
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committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 14:28:30 +0200 |
commit | 277b024e5e3d4af4c219c0b9bd541ca4398e0b69 (patch) | |
tree | 55a9a1f68cc9361620acd3f51a454c98a4fc6c95 /drivers/net/wireless/mwifiex/sta_tx.c | |
parent | dd3f92dea849d96272642579003754df9367c160 (diff) | |
download | linux-next-277b024e5e3d4af4c219c0b9bd541ca4398e0b69.tar.gz |
mwifiex: move under marvell vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_tx.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/sta_tx.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c deleted file mode 100644 index f6683ea6bd5d..000000000000 --- a/drivers/net/wireless/mwifiex/sta_tx.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Marvell Wireless LAN device driver: station TX data handling - * - * 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" - -/* - * This function fills the TxPD for tx packets. - * - * The Tx buffer received by this function should already have the - * header space allocated for TxPD. - * - * This function inserts the TxPD in between interface header and actual - * data and adjusts the buffer pointers accordingly. - * - * The following TxPD fields are set by this function, as required - - * - BSS number - * - Tx packet length and offset - * - Priority - * - Packet delay - * - Priority specific Tx control - * - Flags - */ -void *mwifiex_process_sta_txpd(struct mwifiex_private *priv, - struct sk_buff *skb) -{ - struct mwifiex_adapter *adapter = priv->adapter; - struct txpd *local_tx_pd; - struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb); - unsigned int pad; - u16 pkt_type, pkt_offset; - int hroom = (priv->adapter->iface_type == MWIFIEX_USB) ? 0 : - INTF_HEADER_LEN; - - if (!skb->len) { - mwifiex_dbg(adapter, ERROR, - "Tx: bad packet length: %d\n", skb->len); - tx_info->status_code = -1; - return skb->data; - } - - BUG_ON(skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN); - - pkt_type = mwifiex_is_skb_mgmt_frame(skb) ? PKT_TYPE_MGMT : 0; - - pad = ((void *)skb->data - (sizeof(*local_tx_pd) + hroom)- - NULL) & (MWIFIEX_DMA_ALIGN_SZ - 1); - skb_push(skb, sizeof(*local_tx_pd) + pad); - - local_tx_pd = (struct txpd *) skb->data; - memset(local_tx_pd, 0, sizeof(struct txpd)); - local_tx_pd->bss_num = priv->bss_num; - local_tx_pd->bss_type = priv->bss_type; - local_tx_pd->tx_pkt_length = cpu_to_le16((u16)(skb->len - - (sizeof(struct txpd) + - pad))); - - local_tx_pd->priority = (u8) skb->priority; - local_tx_pd->pkt_delay_2ms = - mwifiex_wmm_compute_drv_pkt_delay(priv, skb); - - if (tx_info->flags & MWIFIEX_BUF_FLAG_EAPOL_TX_STATUS || - tx_info->flags & MWIFIEX_BUF_FLAG_ACTION_TX_STATUS) { - local_tx_pd->tx_token_id = tx_info->ack_frame_id; - local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_REQ_TX_STATUS; - } - - if (local_tx_pd->priority < - ARRAY_SIZE(priv->wmm.user_pri_pkt_tx_ctrl)) - /* - * Set the priority specific tx_control field, setting of 0 will - * cause the default value to be used later in this function - */ - local_tx_pd->tx_control = - cpu_to_le32(priv->wmm.user_pri_pkt_tx_ctrl[local_tx_pd-> - priority]); - - if (adapter->pps_uapsd_mode) { - if (mwifiex_check_last_packet_indication(priv)) { - adapter->tx_lock_flag = true; - local_tx_pd->flags = - MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET; - } - } - - if (tx_info->flags & MWIFIEX_BUF_FLAG_TDLS_PKT) - local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_TDLS_PACKET; - - /* Offset of actual data */ - pkt_offset = sizeof(struct txpd) + pad; - if (pkt_type == PKT_TYPE_MGMT) { - /* Set the packet type and add header for management frame */ - local_tx_pd->tx_pkt_type = cpu_to_le16(pkt_type); - pkt_offset += MWIFIEX_MGMT_FRAME_HEADER_SIZE; - } - - local_tx_pd->tx_pkt_offset = cpu_to_le16(pkt_offset); - - /* make space for INTF_HEADER_LEN */ - skb_push(skb, hroom); - - if (!local_tx_pd->tx_control) - /* TxCtrl set by user or default */ - local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); - - return skb->data; -} - -/* - * This function tells firmware to send a NULL data packet. - * - * The function creates a NULL data packet with TxPD and sends to the - * firmware for transmission, with highest priority setting. - */ -int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) -{ - struct mwifiex_adapter *adapter = priv->adapter; - struct txpd *local_tx_pd; - struct mwifiex_tx_param tx_param; -/* sizeof(struct txpd) + Interface specific header */ -#define NULL_PACKET_HDR 64 - u32 data_len = NULL_PACKET_HDR; - struct sk_buff *skb; - int ret; - struct mwifiex_txinfo *tx_info = NULL; - - if (adapter->surprise_removed) - return -1; - - if (!priv->media_connected) - return -1; - - if (adapter->data_sent) - return -1; - - if (adapter->if_ops.is_port_ready && - !adapter->if_ops.is_port_ready(priv)) - return -1; - - skb = dev_alloc_skb(data_len); - if (!skb) - return -1; - - tx_info = MWIFIEX_SKB_TXCB(skb); - memset(tx_info, 0, sizeof(*tx_info)); - tx_info->bss_num = priv->bss_num; - tx_info->bss_type = priv->bss_type; - tx_info->pkt_len = data_len - (sizeof(struct txpd) + INTF_HEADER_LEN); - skb_reserve(skb, sizeof(struct txpd) + INTF_HEADER_LEN); - skb_push(skb, sizeof(struct txpd)); - - local_tx_pd = (struct txpd *) skb->data; - local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); - local_tx_pd->flags = flags; - local_tx_pd->priority = WMM_HIGHEST_PRIORITY; - local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd)); - local_tx_pd->bss_num = priv->bss_num; - local_tx_pd->bss_type = priv->bss_type; - - if (adapter->iface_type == MWIFIEX_USB) { - ret = adapter->if_ops.host_to_card(adapter, priv->usb_port, - skb, NULL); - } else { - skb_push(skb, INTF_HEADER_LEN); - tx_param.next_pkt_len = 0; - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, - skb, &tx_param); - } - switch (ret) { - case -EBUSY: - dev_kfree_skb_any(skb); - mwifiex_dbg(adapter, ERROR, - "%s: host_to_card failed: ret=%d\n", - __func__, ret); - adapter->dbg.num_tx_host_to_card_failure++; - break; - case -1: - dev_kfree_skb_any(skb); - mwifiex_dbg(adapter, ERROR, - "%s: host_to_card failed: ret=%d\n", - __func__, ret); - adapter->dbg.num_tx_host_to_card_failure++; - break; - case 0: - dev_kfree_skb_any(skb); - mwifiex_dbg(adapter, DATA, - "data: %s: host_to_card succeeded\n", - __func__); - adapter->tx_lock_flag = true; - break; - case -EINPROGRESS: - adapter->tx_lock_flag = true; - break; - default: - break; - } - - return ret; -} - -/* - * This function checks if we need to send last packet indication. - */ -u8 -mwifiex_check_last_packet_indication(struct mwifiex_private *priv) -{ - struct mwifiex_adapter *adapter = priv->adapter; - u8 ret = false; - - if (!adapter->sleep_period.period) - return ret; - if (mwifiex_wmm_lists_empty(adapter)) - ret = true; - - if (ret && !adapter->cmd_sent && !adapter->curr_cmd && - !is_command_pending(adapter)) { - adapter->delay_null_pkt = false; - ret = true; - } else { - ret = false; - adapter->delay_null_pkt = true; - } - return ret; -} |