diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_pkt.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_pkt.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_pkt.c b/drivers/net/wireless/rsi/rsi_91x_pkt.c deleted file mode 100644 index 02920c93e82d..000000000000 --- a/drivers/net/wireless/rsi/rsi_91x_pkt.c +++ /dev/null @@ -1,215 +0,0 @@ -/** - * Copyright (c) 2014 Redpine Signals Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "rsi_mgmt.h" - -/** - * rsi_send_data_pkt() - This function sends the recieved data packet from - * driver to device. - * @common: Pointer to the driver private structure. - * @skb: Pointer to the socket buffer structure. - * - * Return: status: 0 on success, -1 on failure. - */ -int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) -{ - struct rsi_hw *adapter = common->priv; - struct ieee80211_hdr *tmp_hdr; - struct ieee80211_tx_info *info; - struct skb_info *tx_params; - struct ieee80211_bss_conf *bss; - int status; - u8 ieee80211_size = MIN_802_11_HDR_LEN; - u8 extnd_size; - __le16 *frame_desc; - u16 seq_num; - - info = IEEE80211_SKB_CB(skb); - bss = &info->control.vif->bss_conf; - tx_params = (struct skb_info *)info->driver_data; - - if (!bss->assoc) { - status = -EINVAL; - goto err; - } - - tmp_hdr = (struct ieee80211_hdr *)&skb->data[0]; - seq_num = (le16_to_cpu(tmp_hdr->seq_ctrl) >> 4); - - extnd_size = ((uintptr_t)skb->data & 0x3); - - if ((FRAME_DESC_SZ + extnd_size) > skb_headroom(skb)) { - rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__); - status = -ENOSPC; - goto err; - } - - skb_push(skb, (FRAME_DESC_SZ + extnd_size)); - frame_desc = (__le16 *)&skb->data[0]; - memset((u8 *)frame_desc, 0, FRAME_DESC_SZ); - - if (ieee80211_is_data_qos(tmp_hdr->frame_control)) { - ieee80211_size += 2; - frame_desc[6] |= cpu_to_le16(BIT(12)); - } - - if ((!(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) && - (common->secinfo.security_enable)) { - if (rsi_is_cipher_wep(common)) - ieee80211_size += 4; - else - ieee80211_size += 8; - frame_desc[6] |= cpu_to_le16(BIT(15)); - } - - frame_desc[0] = cpu_to_le16((skb->len - FRAME_DESC_SZ) | - (RSI_WIFI_DATA_Q << 12)); - frame_desc[2] = cpu_to_le16((extnd_size) | (ieee80211_size) << 8); - - if (common->min_rate != 0xffff) { - /* Send fixed rate */ - frame_desc[3] = cpu_to_le16(RATE_INFO_ENABLE); - frame_desc[4] = cpu_to_le16(common->min_rate); - - if (conf_is_ht40(&common->priv->hw->conf)) - frame_desc[5] = cpu_to_le16(FULL40M_ENABLE); - - if (common->vif_info[0].sgi) { - if (common->min_rate & 0x100) /* Only MCS rates */ - frame_desc[4] |= - cpu_to_le16(ENABLE_SHORTGI_RATE); - } - - } - - frame_desc[6] |= cpu_to_le16(seq_num & 0xfff); - frame_desc[7] = cpu_to_le16(((tx_params->tid & 0xf) << 4) | - (skb->priority & 0xf) | - (tx_params->sta_id << 8)); - - status = adapter->host_intf_write_pkt(common->priv, - skb->data, - skb->len); - if (status) - rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", - __func__); - -err: - ++common->tx_stats.total_tx_pkt_freed[skb->priority]; - rsi_indicate_tx_status(common->priv, skb, status); - return status; -} - -/** - * rsi_send_mgmt_pkt() - This functions sends the received management packet - * from driver to device. - * @common: Pointer to the driver private structure. - * @skb: Pointer to the socket buffer structure. - * - * Return: status: 0 on success, -1 on failure. - */ -int rsi_send_mgmt_pkt(struct rsi_common *common, - struct sk_buff *skb) -{ - struct rsi_hw *adapter = common->priv; - struct ieee80211_hdr *wh; - struct ieee80211_tx_info *info; - struct ieee80211_bss_conf *bss; - struct ieee80211_hw *hw = adapter->hw; - struct ieee80211_conf *conf = &hw->conf; - struct skb_info *tx_params; - int status = -E2BIG; - __le16 *msg; - u8 extnd_size; - u8 vap_id = 0; - - info = IEEE80211_SKB_CB(skb); - tx_params = (struct skb_info *)info->driver_data; - extnd_size = ((uintptr_t)skb->data & 0x3); - - if (tx_params->flags & INTERNAL_MGMT_PKT) { - if ((extnd_size) > skb_headroom(skb)) { - rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__); - dev_kfree_skb(skb); - return -ENOSPC; - } - skb_push(skb, extnd_size); - skb->data[extnd_size + 4] = extnd_size; - status = adapter->host_intf_write_pkt(common->priv, - (u8 *)skb->data, - skb->len); - if (status) { - rsi_dbg(ERR_ZONE, - "%s: Failed to write the packet\n", __func__); - } - dev_kfree_skb(skb); - return status; - } - - bss = &info->control.vif->bss_conf; - wh = (struct ieee80211_hdr *)&skb->data[0]; - - if (FRAME_DESC_SZ > skb_headroom(skb)) - goto err; - - skb_push(skb, FRAME_DESC_SZ); - memset(skb->data, 0, FRAME_DESC_SZ); - msg = (__le16 *)skb->data; - - if (skb->len > MAX_MGMT_PKT_SIZE) { - rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__); - goto err; - } - - msg[0] = cpu_to_le16((skb->len - FRAME_DESC_SZ) | - (RSI_WIFI_MGMT_Q << 12)); - msg[1] = cpu_to_le16(TX_DOT11_MGMT); - msg[2] = cpu_to_le16(MIN_802_11_HDR_LEN << 8); - msg[3] = cpu_to_le16(RATE_INFO_ENABLE); - msg[6] = cpu_to_le16(le16_to_cpu(wh->seq_ctrl) >> 4); - - if (wh->addr1[0] & BIT(0)) - msg[3] |= cpu_to_le16(RSI_BROADCAST_PKT); - - if (common->band == NL80211_BAND_2GHZ) - msg[4] = cpu_to_le16(RSI_11B_MODE); - else - msg[4] = cpu_to_le16((RSI_RATE_6 & 0x0f) | RSI_11G_MODE); - - if (conf_is_ht40(conf)) { - msg[4] = cpu_to_le16(0xB | RSI_11G_MODE); - msg[5] = cpu_to_le16(0x6); - } - - /* Indicate to firmware to give cfm */ - if ((skb->data[16] == IEEE80211_STYPE_PROBE_REQ) && (!bss->assoc)) { - msg[1] |= cpu_to_le16(BIT(10)); - msg[7] = cpu_to_le16(PROBEREQ_CONFIRM); - common->mgmt_q_block = true; - } - - msg[7] |= cpu_to_le16(vap_id << 8); - - status = adapter->host_intf_write_pkt(common->priv, - (u8 *)msg, - skb->len); - if (status) - rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); - -err: - rsi_indicate_tx_status(common->priv, skb, status); - return status; -} |