From: Fariya Fatima <fariyaf@xxxxxxxxx>
Signed-off-by: Fariya Fatima <fariyaf@xxxxxxxxx>
This patch has the remaining functions which prepare management frames internal to the device.
---
drivers/net/wireless/rsi/rsi_91x_mac80211.c | 319 +++++++++++++++
drivers/net/wireless/rsi/rsi_91x_mgmt.c | 562 +++++++++++++++++++++++++++
2 files changed, 881 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/wireless/rsi/rsi_91x_mgmt.c
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index a82fdc0..42c3719 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -687,3 +687,322 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
mutex_unlock(&common->mutex);
return status;
}
+
+/**
+ * rsi_mac80211_set_rts_threshold() - This function sets rts threshold value.
+ * @hw: Pointer to the ieee80211_hw structure.
+ * @value: Rts threshold value.
+ *
+ * Return: 0 on success.
+ */
+static int rsi_mac80211_set_rts_threshold(struct ieee80211_hw *hw,
+ u32 value)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ mutex_lock(&common->mutex);
+ common->rts_threshold = value;
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+/**
+ * rsi_mac80211_set_rate_mask() - This function sets bitrate_mask to be used.
+ * @hw: Pointer to the ieee80211_hw structure
+ * @vif: Pointer to the ieee80211_vif structure.
+ * @mask: Pointer to the cfg80211_bitrate_mask structure.
+ *
+ * Return: 0 on success.
+ */
+static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ mutex_lock(&common->mutex);
+
+ common->fixedrate_mask[IEEE80211_BAND_2GHZ] = 0;
+
+ if (mask->control[IEEE80211_BAND_2GHZ].legacy == 0xfff) {
+ common->fixedrate_mask[IEEE80211_BAND_2GHZ] =
+ (mask->control[IEEE80211_BAND_2GHZ].ht_mcs[0] << 12);
+ } else {
+ common->fixedrate_mask[IEEE80211_BAND_2GHZ] =
+ mask->control[IEEE80211_BAND_2GHZ].legacy;
+ }
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+/**
+ * rsi_fill_rx_status() - This function fills rx status in
+ * ieee80211_rx_status structure.
+ * @hw: Pointer to the ieee80211_hw structure.
+ * @skb: Pointer to the socket buffer structure.
+ * @common: Pointer to the driver private structure.
+ * @rxs: Pointer to the ieee80211_rx_status structure.
+ *
+ * Return: None.
+ */
+static void rsi_fill_rx_status(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct rsi_common *common,
+ struct ieee80211_rx_status *rxs)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct skb_info *rx_params = (struct skb_info *)info->driver_data;
+ struct ieee80211_hdr *hdr;
+ char rssi = rx_params->rssi;
+ u8 hdrlen = 0;
+ u8 channel = rx_params->channel;
+ s32 freq;
+
+ hdr = ((struct ieee80211_hdr *)(skb->data));
+ hdrlen = ieee80211_hdrlen(hdr->frame_control);
+
+ memset(info, 0, sizeof(struct ieee80211_tx_info));
+
+ rxs->signal = -(rssi);
+
+ if (channel <= 14)
+ rxs->band = IEEE80211_BAND_2GHZ;
+ else
+ rxs->band = IEEE80211_BAND_5GHZ;
+
+ freq = ieee80211_channel_to_frequency(channel, rxs->band);
+
+ if (freq)
+ rxs->freq = freq;
+
+ if (ieee80211_has_protected(hdr->frame_control)) {
+ if (rsi_is_cipher_wep(common)) {
+ memmove(skb->data + 4, skb->data, hdrlen);
+ skb_pull(skb, 4);
+ } else {
+ memmove(skb->data + 8, skb->data, hdrlen);
+ skb_pull(skb, 8);
+ rxs->flag |= RX_FLAG_MMIC_STRIPPED;
+ }
+ rxs->flag |= RX_FLAG_DECRYPTED;
+ rxs->flag |= RX_FLAG_IV_STRIPPED;
+ }
+}
+
+/**
+ * rsi_indicate_pkt_to_os() - This function sends recieved packet to mac80211.
+ * @common: Pointer to the driver private structure.
+ * @skb: Pointer to the socket buffer structure.
+ *
+ * Return: None.
+ */
+void rsi_indicate_pkt_to_os(struct rsi_common *common,
+ struct sk_buff *skb)
+{
+ struct rsi_hw *adapter = common->priv;
+ struct ieee80211_hw *hw = adapter->hw;
+ struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
+
+ if ((common->iface_down) || (!adapter->sc_nvifs)) {
+ dev_kfree_skb(skb);
+ return;
+ }
+
+ /* filling in the ieee80211_rx_status flags */
+ rsi_fill_rx_status(hw, skb, common, rx_status);
+
+ ieee80211_rx_irqsafe(hw, skb);
+}
+
+static void rsi_set_min_rate(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct rsi_common *common)
+{
+ u8 band = hw->conf.chandef.chan->band;
+ u8 ii;
+ u32 rate_bitmap;
+ bool matched = false;
+
+ common->bitrate_mask[band] = sta->supp_rates[band];
+
+ rate_bitmap = (common->fixedrate_mask[band] & sta->supp_rates[band]);
+
+ if (rate_bitmap & 0xfff) {
+ /* Find out the min rate */
+ for (ii = 0; ii < ARRAY_SIZE(rsi_rates); ii++) {
+ if (rate_bitmap & BIT(ii)) {
+ common->min_rate = rsi_rates[ii].hw_value;
+ matched = true;
+ break;
+ }
+ }
+ }
+
+ common->vif_info[0].is_ht = sta->ht_cap.ht_supported;
+
+ if ((common->vif_info[0].is_ht) && (rate_bitmap >> 12)) {
+ for (ii = 0; ii < ARRAY_SIZE(rsi_mcsrates); ii++) {
+ if ((rate_bitmap >> 12) & BIT(ii)) {
+ common->min_rate = rsi_mcsrates[ii];
+ matched = true;
+ break;
+ }
+ }
+ }
+
+ if (!matched)
+ common->min_rate = 0xffff;
+}
+
+/**
+ * rsi_mac80211_sta_add() - This function notifies driver about a peer getting
+ * connected.
+ * @hw: pointer to the ieee80211_hw structure.
+ * @vif: Pointer to the ieee80211_vif structure.
+ * @sta: Pointer to the ieee80211_sta structure.
+ *
+ * Return: 0 on success, -1 on failure.
+ */
+static int rsi_mac80211_sta_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ mutex_lock(&common->mutex);
+
+ rsi_set_min_rate(hw, sta, common);
+
+ if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ||
+ (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) {
+ common->vif_info[0].sgi = true;
+ }
+
+ if (sta->ht_cap.ht_supported)
+ ieee80211_start_tx_ba_session(sta, 0, 0);
+
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+/**
+ * rsi_mac80211_sta_remove() - This function notifies driver about a peer
+ * getting disconnected.
+ * @hw: Pointer to the ieee80211_hw structure.
+ * @vif: Pointer to the ieee80211_vif structure.
+ * @sta: Pointer to the ieee80211_sta structure.
+ *
+ * Return: 0 on success, -1 on failure.
+ */
+static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ mutex_lock(&common->mutex);
+ /* Resetting all the fields to default values */
+ common->bitrate_mask[IEEE80211_BAND_2GHZ] = 0;
+ common->bitrate_mask[IEEE80211_BAND_5GHZ] = 0;
+ common->min_rate = 0xffff;
+ common->vif_info[0].is_ht = false;
+ common->vif_info[0].sgi = false;
+ common->vif_info[0].seq_start = 0;
+ common->secinfo.ptk_cipher = 0;
+ common->secinfo.gtk_cipher = 0;
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+static struct ieee80211_ops mac80211_ops = {
+ .tx = rsi_mac80211_tx,
+ .start = rsi_mac80211_start,
+ .stop = rsi_mac80211_stop,
+ .add_interface = rsi_mac80211_add_interface,
+ .remove_interface = rsi_mac80211_remove_interface,
+ .config = rsi_mac80211_config,
+ .bss_info_changed = rsi_mac80211_bss_info_changed,
+ .conf_tx = rsi_mac80211_conf_tx,
+ .configure_filter = rsi_mac80211_conf_filter,
+ .set_key = rsi_mac80211_set_key,
+ .set_rts_threshold = rsi_mac80211_set_rts_threshold,
+ .set_bitrate_mask = rsi_mac80211_set_rate_mask,
+ .ampdu_action = rsi_mac80211_ampdu_action,
+ .sta_add = rsi_mac80211_sta_add,
+ .sta_remove = rsi_mac80211_sta_remove,
+};
+
+/**
+ * rsi_mac80211_attach() - This function is used to initialize Mac80211 stack.
+ * @common: Pointer to the driver private structure.
+ *
+ * Return: 0 on success, -1 on failure.
+ */
+int rsi_mac80211_attach(struct rsi_common *common)
+{
+ int status = 0;
+ struct ieee80211_hw *hw = NULL;
+ struct wiphy *wiphy = NULL;
+ struct rsi_hw *adapter = common->priv;
+ u8 addr_mask[ETH_ALEN] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x3};
+
+ rsi_dbg(INIT_ZONE, "%s: Performing mac80211 attach\n", __func__);
+
+ hw = ieee80211_alloc_hw(sizeof(struct rsi_hw), &mac80211_ops);
+ if (!hw) {
+ rsi_dbg(ERR_ZONE, "%s: ieee80211 hw alloc failed\n", __func__);
+ return -ENOMEM;
+ }
+
+ wiphy = hw->wiphy;
+
+ SET_IEEE80211_DEV(hw, adapter->device);
+
+ hw->priv = adapter;
+ adapter->hw = hw;
+
+ hw->flags = IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_HAS_RATE_CONTROL |
+ IEEE80211_HW_AMPDU_AGGREGATION |
+ 0;
+
+ hw->queues = MAX_HW_QUEUES;
+ hw->extra_tx_headroom = RSI_NEEDED_HEADROOM;
+
+ hw->max_rates = 1;
+ hw->max_rate_tries = MAX_RETRIES;
+
+ hw->max_tx_aggregation_subframes = 6;
+ rsi_register_rates_channels(adapter, IEEE80211_BAND_2GHZ);
+ hw->rate_control_algorithm = "AARF";
+
+ SET_IEEE80211_PERM_ADDR(hw, common->mac_addr);
+ ether_addr_copy(hw->wiphy->addr_mask, addr_mask);
+
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+ wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+ wiphy->retry_short = RETRY_SHORT;
+ wiphy->retry_long = RETRY_LONG;
+ wiphy->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+ wiphy->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
+ wiphy->flags = 0;
+
+ wiphy->available_antennas_rx = 1;
+ wiphy->available_antennas_tx = 1;
+ wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &adapter->sbands[IEEE80211_BAND_2GHZ];
+
+ status = ieee80211_register_hw(hw);
+ if (status)
+ return status;
+
+ return rsi_init_dbgfs(adapter);
+}
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
new file mode 100644
index 0000000..a9a189a
--- /dev/null
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -0,0 +1,562 @@
+/**
+ * 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 <linux/etherdevice.h>
+#include "rsi_mgmt.h"
+#include "rsi_common.h"
+
+static struct bootup_params boot_params_20 = {
+ .magic_number = cpu_to_le16(0x5aa5),
+ .crystal_good_time = 0x0,
+ .valid = cpu_to_le32(VALID_20),
+ .reserved_for_valids = 0x0,
+ .bootup_mode_info = 0x0,
+ .digital_loop_back_params = 0x0,
+ .rtls_timestamp_en = 0x0,
+ .host_spi_intr_cfg = 0x0,
+ .device_clk_info = {{
+ .pll_config_g = {
+ .tapll_info_g = {
+ .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
+ (TA_PLL_M_VAL_20)),
+ .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
+ },
+ .pll960_info_g = {
+ .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
+ (PLL960_N_VAL_20)),
+ .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20),
+ .pll_reg_3 = 0x0,
+ },
+ .afepll_info_g = {
+ .pll_reg = cpu_to_le16(0x9f0),
+ }
+ },
+ .switch_clk_g = {
+ .switch_clk_info = cpu_to_le16(BIT(3)),
+ .bbp_lmac_clk_reg_val = cpu_to_le16(0x121),
+ .umac_clock_reg_config = 0x0,
+ .qspi_uart_clock_reg_config = 0x0
+ }
+ },
+ {
+ .pll_config_g = {
+ .tapll_info_g = {
+ .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
+ (TA_PLL_M_VAL_20)),
+ .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
+ },
+ .pll960_info_g = {
+ .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
+ (PLL960_N_VAL_20)),
+ .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20),
+ .pll_reg_3 = 0x0,
+ },
+ .afepll_info_g = {
+ .pll_reg = cpu_to_le16(0x9f0),
+ }
+ },
+ .switch_clk_g = {
+ .switch_clk_info = 0x0,
+ .bbp_lmac_clk_reg_val = 0x0,
+ .umac_clock_reg_config = 0x0,
+ .qspi_uart_clock_reg_config = 0x0
+ }
+ },
+ {
+ .pll_config_g = {
+ .tapll_info_g = {
+ .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
+ (TA_PLL_M_VAL_20)),
+ .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
+ },
+ .pll960_info_g = {
+ .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
+ (PLL960_N_VAL_20)),
+ .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20),
+ .pll_reg_3 = 0x0,
+ },
+ .afepll_info_g = {
+ .pll_reg = cpu_to_le16(0x9f0),
+ }
+ },
+ .switch_clk_g = {
+ .switch_clk_info = 0x0,
+ .bbp_lmac_clk_reg_val = 0x0,
+ .umac_clock_reg_config = 0x0,
+ .qspi_uart_clock_reg_config = 0x0
+ }
+ } },
+ .buckboost_wakeup_cnt = 0x0,
+ .pmu_wakeup_wait = 0x0,
+ .shutdown_wait_time = 0x0,
+ .pmu_slp_clkout_sel = 0x0,
+ .wdt_prog_value = 0x0,
+ .wdt_soc_rst_delay = 0x0,
+ .dcdc_operation_mode = 0x0,
+ .soc_reset_wait_cnt = 0x0
+};
+
+static struct bootup_params boot_params_40 = {
+ .magic_number = cpu_to_le16(0x5aa5),
+ .crystal_good_time = 0x0,
+ .valid = cpu_to_le32(VALID_40),
+ .reserved_for_valids = 0x0,
+ .bootup_mode_info = 0x0,
+ .digital_loop_back_params = 0x0,
+ .rtls_timestamp_en = 0x0,
+ .host_spi_intr_cfg = 0x0,
+ .device_clk_info = {{
+ .pll_config_g = {
+ .tapll_info_g = {
+ .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)|
+ (TA_PLL_M_VAL_40)),
+ .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40),
+ },
+ .pll960_info_g = {
+ .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)|
+ (PLL960_N_VAL_40)),
+ .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40),
+ .pll_reg_3 = 0x0,
+ },
+ .afepll_info_g = {
+ .pll_reg = cpu_to_le16(0x9f0),
+ }
+ },
+ .switch_clk_g = {
+ .switch_clk_info = cpu_to_le16(0x09),
+ .bbp_lmac_clk_reg_val = cpu_to_le16(0x1121),
+ .umac_clock_reg_config = cpu_to_le16(0x48),
+ .qspi_uart_clock_reg_config = 0x0
+ }
+ },
+ {
+ .pll_config_g = {
+ .tapll_info_g = {
+ .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)|
+ (TA_PLL_M_VAL_40)),
+ .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40),
+ },
+ .pll960_info_g = {
+ .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)|
+ (PLL960_N_VAL_40)),
+ .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40),
+ .pll_reg_3 = 0x0,
+ },
+ .afepll_info_g = {
+ .pll_reg = cpu_to_le16(0x9f0),
+ }
+ },
+ .switch_clk_g = {
+ .switch_clk_info = 0x0,
+ .bbp_lmac_clk_reg_val = 0x0,
+ .umac_clock_reg_config = 0x0,
+ .qspi_uart_clock_reg_config = 0x0
+ }
+ },
+ {
+ .pll_config_g = {
+ .tapll_info_g = {
+ .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)|
+ (TA_PLL_M_VAL_40)),
+ .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40),
+ },
+ .pll960_info_g = {
+ .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)|
+ (PLL960_N_VAL_40)),
+ .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40),
+ .pll_reg_3 = 0x0,
+ },
+ .afepll_info_g = {
+ .pll_reg = cpu_to_le16(0x9f0),
+ }
+ },
+ .switch_clk_g = {
+ .switch_clk_info = 0x0,
+ .bbp_lmac_clk_reg_val = 0x0,
+ .umac_clock_reg_config = 0x0,
+ .qspi_uart_clock_reg_config = 0x0
+ }
+ } },
+ .buckboost_wakeup_cnt = 0x0,
+ .pmu_wakeup_wait = 0x0,
+ .shutdown_wait_time = 0x0,
+ .pmu_slp_clkout_sel = 0x0,
+ .wdt_prog_value = 0x0,
+ .wdt_soc_rst_delay = 0x0,
+ .dcdc_operation_mode = 0x0,
+ .soc_reset_wait_cnt = 0x0
+};
+
+static u16 mcs[] = {13, 26, 39, 52, 78, 104, 117, 130};
+
+/**
+ * rsi_set_default_parameters() - This function sets default parameters.
+ * @common: Pointer to the driver private structure.
+ *
+ * Return: none
+ */
+static void rsi_set_default_parameters(struct rsi_common *common)
+{
+ common->band = IEEE80211_BAND_2GHZ;
+ common->channel_width = BW_20MHZ;
+ common->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
+ common->channel = 1;
+ common->min_rate = 0xffff;
+ common->fsm_state = FSM_CARD_NOT_READY;
+ common->iface_down = true;
+}
+
+/**
+ * rsi_set_contention_vals() - This function sets the contention values for the
+ * backoff procedure.
+ * @common: Pointer to the driver private structure.
+ *
+ * Return: None.
+ */
+static void rsi_set_contention_vals(struct rsi_common *common)
+{
+ u8 ii = 0;
+
+ for (; ii < NUM_EDCA_QUEUES; ii++) {
+ common->tx_qinfo[ii].wme_params =
+ (((common->edca_params[ii].cw_min / 2) +
+ (common->edca_params[ii].aifs)) *
+ WMM_SHORT_SLOT_TIME + SIFS_DURATION);
+ common->tx_qinfo[ii].weight = common->tx_qinfo[ii].wme_params;
+ common->tx_qinfo[ii].pkt_contended = 0;
+ }
+}
+
+/**
+ * rsi_send_internal_mgmt_frame() - This function sends management frames to
+ * firmware.Also schedules packet to queue
+ * for transmission.
+ * @common: Pointer to the driver private structure.
+ * @skb: Pointer to the socket buffer structure.
+ *
+ * Return: 0 on success, -1 on failure.
+ */
+static int rsi_send_internal_mgmt_frame(struct rsi_common *common,
+ struct sk_buff *skb)
+{
+ struct skb_info *tx_params;
+
+ if (skb == NULL) {
+ rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__);
+ return -ENOMEM;
+ }
+ tx_params = (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data;
+ tx_params->flags |= INTERNAL_MGMT_PKT;
+ skb_queue_tail(&common->tx_queue[MGMT_SOFT_Q], skb);
+ rsi_set_event(&common->tx_thread.event);
+ return 0;
+}
+
+/**
+ * rsi_load_radio_caps() - This function is used to send radio capabilities
+ * values to firmware.
+ * @common: Pointer to the driver private structure.
+ *
+ * Return: 0 on success, corresponding negative error code on failure.
+ */
+static int rsi_load_radio_caps(struct rsi_common *common)
+{
+ struct rsi_radio_caps *radio_caps;
+ struct rsi_hw *adapter = common->priv;
+ struct ieee80211_hw *hw = adapter->hw;
+ u16 inx = 0;
+ u8 ii;
+ u8 radio_id = 0;
+ u16 gc[20] = {0xf0, 0xf0, 0xf0, 0xf0,
+ 0xf0, 0xf0, 0xf0, 0xf0,
+ 0xf0, 0xf0, 0xf0, 0xf0,
+ 0xf0, 0xf0, 0xf0, 0xf0,
+ 0xf0, 0xf0, 0xf0, 0xf0};
+ struct ieee80211_conf *conf = &hw->conf;
+ struct sk_buff *skb;
+
+ rsi_dbg(INFO_ZONE, "%s: Sending rate symbol req frame\n", __func__);
+
+ skb = dev_alloc_skb(sizeof(struct rsi_radio_caps));
+
+ if (!skb) {
+ rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ memset(skb->data, 0, sizeof(struct rsi_radio_caps));
+ radio_caps = (struct rsi_radio_caps *)skb->data;
+
+ radio_caps->desc_word[1] = cpu_to_le16(RADIO_CAPABILITIES);
+ radio_caps->desc_word[4] = cpu_to_le16(RSI_RF_TYPE << 8);
+
+ if (common->channel_width == BW_40MHZ) {
+ radio_caps->desc_word[7] |= cpu_to_le16(RSI_LMAC_CLOCK_80MHZ);
+ radio_caps->desc_word[7] |= cpu_to_le16(RSI_ENABLE_40MHZ);
+ if (common->channel_width) {
+ radio_caps->desc_word[5] =
+ cpu_to_le16(common->channel_width << 12);
+ radio_caps->desc_word[5] |= cpu_to_le16(FULL40M_ENABLE);
+ }
+
+ if (conf_is_ht40_minus(conf)) {
+ radio_caps->desc_word[5] = 0;
+ radio_caps->desc_word[5] |=
+ cpu_to_le16(LOWER_20_ENABLE);
+ radio_caps->desc_word[5] |=
+ cpu_to_le16(LOWER_20_ENABLE >> 12);
+ }
+
+ if (conf_is_ht40_plus(conf)) {
+ radio_caps->desc_word[5] = 0;
+ radio_caps->desc_word[5] |=
+ cpu_to_le16(UPPER_20_ENABLE);
+ radio_caps->desc_word[5] |=
+ cpu_to_le16(UPPER_20_ENABLE >> 12);
+ }
+ }
+
+ radio_caps->desc_word[7] |= cpu_to_le16(radio_id << 8);
+
+ for (ii = 0; ii < MAX_HW_QUEUES; ii++) {
+ radio_caps->qos_params[ii].cont_win_min_q = cpu_to_le16(3);
+ radio_caps->qos_params[ii].cont_win_max_q = cpu_to_le16(0x3f);
+ radio_caps->qos_params[ii].aifsn_val_q = cpu_to_le16(2);
+ radio_caps->qos_params[ii].txop_q = 0;
+ }
+
+ for (ii = 0; ii < MAX_HW_QUEUES - 4; ii++) {
+ radio_caps->qos_params[ii].cont_win_min_q =
+ cpu_to_le16(common->edca_params[ii].cw_min);
+ radio_caps->qos_params[ii].cont_win_max_q =
+ cpu_to_le16(common->edca_params[ii].cw_max);
+ radio_caps->qos_params[ii].aifsn_val_q =
+ cpu_to_le16((common->edca_params[ii].aifs) << 8);
+ radio_caps->qos_params[ii].txop_q =
+ cpu_to_le16(common->edca_params[ii].txop);
+ }
+
+ memcpy(&common->rate_pwr[0], &gc[0], 40);
+ for (ii = 0; ii < 20; ii++)
+ radio_caps->gcpd_per_rate[inx++] =
+ cpu_to_le16(common->rate_pwr[ii] & 0x00FF);
+
+ radio_caps->desc_word[0] = cpu_to_le16((sizeof(struct rsi_radio_caps) -
+ FRAME_DESC_SZ) |
+ (RSI_WIFI_MGMT_Q << 12));
+
+
+ skb_put(skb, (sizeof(struct rsi_radio_caps)));
+
+ return rsi_send_internal_mgmt_frame(common, skb);
+}
+
+/**
+ * rsi_mgmt_pkt_to_core() - This function is the entry point for Mgmt module.
+ * @common: Pointer to the driver private structure.
+ * @msg: Pointer to received packet.
+ * @msg_len: Length of the recieved packet.
+ * @type: Type of recieved packet.
+ *
+ * Return: 0 on success, -1 on failure.
+ */
+static int rsi_mgmt_pkt_to_core(struct rsi_common *common,
+ u8 *msg,
+ s32 msg_len,
+ u8 type)
+{
+ struct rsi_hw *adapter = common->priv;
+ struct ieee80211_tx_info *info;
+ struct skb_info *rx_params;
+ u8 pad_bytes = msg[4];
+ u8 pkt_recv;
+ struct sk_buff *skb;
+ char *buffer;
+
+ if (type == RX_DOT11_MGMT) {
+ if (!adapter->sc_nvifs)
+ return -ENOLINK;
+
+ msg_len -= pad_bytes;
+ if ((msg_len <= 0) || (!msg)) {
+ rsi_dbg(MGMT_RX_ZONE, "Invalid rx msg of len = %d\n",
+ __func__, msg_len);
+ return -EINVAL;
+ }
+
+ skb = dev_alloc_skb(msg_len);
+ if (!skb) {
+ rsi_dbg(ERR_ZONE, "%s: Failed to allocate skb\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ buffer = skb_put(skb, msg_len);
+
+ memcpy(buffer,
+ (u8 *)(msg + FRAME_DESC_SZ + pad_bytes),
+ msg_len);
+
+ pkt_recv = buffer[0];
+
+ info = IEEE80211_SKB_CB(skb);
+ rx_params = (struct skb_info *)info->driver_data;
+ rx_params->rssi = rsi_get_rssi(msg);
+ rx_params->channel = rsi_get_channel(msg);
+ rsi_indicate_pkt_to_os(common, skb);
+ } else {
+ rsi_dbg(MGMT_TX_ZONE, "%s: Internal Packet\n", __func__);
+ }
+
+ return 0;
+}
+
+/**
+ * rsi_hal_send_sta_notify_frame() - This function sends the station notify
+ * frame to firmware.
+ * @common: Pointer to the driver private structure.
+ * @opmode: Operating mode of device.
+ * @notify_event: Notification about station connection.
+ * @bssid: bssid.
+ * @qos_enable: Qos is enabled.
+ * @aid: Aid (unique for all STA).
+ *
+ * Return: status: 0 on success, corresponding negative error code on failure.
+ */
+static int rsi_hal_send_sta_notify_frame(struct rsi_common *common,
+ u8 opmode,
+ u8 notify_event,
+ const unsigned char *bssid,
+ u8 qos_enable,
+ u16 aid)
+{
+ struct sk_buff *skb = NULL;
+ struct rsi_peer_notify *peer_notify;
+ u16 vap_id = 0;
+ int status;
+
+ rsi_dbg(MGMT_TX_ZONE, "%s: Sending sta notify frame\n", __func__);
+
+ skb = dev_alloc_skb(sizeof(struct rsi_peer_notify));
+
+ if (!skb) {
+ rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ memset(skb->data, 0, sizeof(struct rsi_peer_notify));
+ peer_notify = (struct rsi_peer_notify *)skb->data;
+
+ peer_notify->command = cpu_to_le16(opmode << 1);
+
+ switch (notify_event) {
+ case STA_CONNECTED:
+ peer_notify->command |= cpu_to_le16(RSI_ADD_PEER);
+ break;
+ case STA_DISCONNECTED:
+ peer_notify->command |= cpu_to_le16(RSI_DELETE_PEER);
+ break;
+ default:
+ break;
+ }
+
+ peer_notify->command |= cpu_to_le16((aid & 0xfff) << 4);
+ ether_addr_copy(peer_notify->mac_addr, bssid);
+
+ peer_notify->sta_flags = cpu_to_le32((qos_enable) ? 1 : 0);
+
+ peer_notify->desc_word[0] =
+ cpu_to_le16((sizeof(struct rsi_peer_notify) - FRAME_DESC_SZ) |
+ (RSI_WIFI_MGMT_Q << 12));
+ peer_notify->desc_word[1] = cpu_to_le16(PEER_NOTIFY);
+ peer_notify->desc_word[7] |= cpu_to_le16(vap_id << 8);
+
+ skb_put(skb, sizeof(struct rsi_peer_notify));
+
+ status = rsi_send_internal_mgmt_frame(common, skb);
+
+ if (!status && qos_enable) {
+ rsi_set_contention_vals(common);
+ status = rsi_load_radio_caps(common);
+ }
+ return status;
+}
+
+/**
+ * rsi_send_aggregation_params_frame() - This function sends the ampdu
+ * indication frame to firmware.
+ * @common: Pointer to the driver private structure.
+ * @tid: traffic identifier.
+ * @ssn: ssn.
+ * @buf_size: buffer size.
+ * @event: notification about station connection.
+ *
+ * Return: 0 on success, corresponding negative error code on failure.
+ */
+int rsi_send_aggregation_params_frame(struct rsi_common *common,
+ u16 tid,
+ u16 ssn,
+ u8 buf_size,
+ u8 event)
+{
+ struct sk_buff *skb = NULL;
+ struct rsi_mac_frame *mgmt_frame;
+ u8 peer_id = 0;
+
+ skb = dev_alloc_skb(FRAME_DESC_SZ);
+
+ if (!skb) {
+ rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ memset(skb->data, 0, FRAME_DESC_SZ);
+ mgmt_frame = (struct rsi_mac_frame *)skb->data;
+
+ rsi_dbg(MGMT_TX_ZONE, "%s: Sending AMPDU indication frame\n", __func__);
+
+ mgmt_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12);
+ mgmt_frame->desc_word[1] = cpu_to_le16(AMPDU_IND);
+
+ if (event == STA_TX_ADDBA_DONE) {
+ mgmt_frame->desc_word[4] = cpu_to_le16(ssn);
+ mgmt_frame->desc_word[5] = cpu_to_le16(buf_size);
+ mgmt_frame->desc_word[7] =
+ cpu_to_le16((tid | (START_AMPDU_AGGR << 4) | (peer_id << 8)));
+ } else if (event == STA_RX_ADDBA_DONE) {
+ mgmt_frame->desc_word[4] = cpu_to_le16(ssn);
+ mgmt_frame->desc_word[7] = cpu_to_le16(tid |
+ (START_AMPDU_AGGR << 4) |
+ (RX_BA_INDICATION << 5) |
+ (peer_id << 8));
+ } else if (event == STA_TX_DELBA) {
+ mgmt_frame->desc_word[7] = cpu_to_le16(tid |
+ (STOP_AMPDU_AGGR << 4) |
+ (peer_id << 8));
+ } else if (event == STA_RX_DELBA) {
+ mgmt_frame->desc_word[7] = cpu_to_le16(tid |
+ (STOP_AMPDU_AGGR << 4) |
+ (RX_BA_INDICATION << 5) |
+ (peer_id << 8));
+ }
+
+ skb_put(skb, FRAME_DESC_SZ);
+
+ return rsi_send_internal_mgmt_frame(common, skb);
+}
--
1.7.5.4
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