On Wed, 2008-03-26 at 10:21 +0100, Holger Schurig wrote:
> Besided the direct conversion of the CMD_802_11_RSSI command, this
> patch also changes the following things:
>
> * calls CMD_802_11_RSSI either asynchronosly (in the background)
> when main.c thinks the firmware is hosed and just want's to
> get a command through
> * calls CMD_802_11_RSSI synchronously when called to get wireless
> statistics.
> * don't do in-driver averaging anymore, this and the previous point
> eliminates the need for any "struct lbs_private" values
> * use a 100% quality in a special ADHOC case
>
> Signed-off-by: Holger Schurig <hs4233@xxxxxxxxxxxxxxxxxxxx>
Acked-by: Dan Williams <dcbw@xxxxxxxxxx>
> Index: wireless-testing/drivers/net/wireless/libertas/cmd.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/cmd.c 2008-03-26 09:18:24.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/cmd.c 2008-03-26 09:18:31.000000000 +0100
> @@ -692,6 +692,44 @@ static int lbs_cmd_802_11_rate_adapt_rat
> return 0;
> }
>
> +int lbs_get_rssi(struct lbs_private *priv, u16 *snr, u16 *nf)
> +{
> + struct cmd_ds_802_11_rssi cmd;
> + struct cmd_ds_802_11_rssi_rsp rsp;
> + int ret;
> + u16 _snr, _nf;
> +
> + lbs_deb_enter(LBS_DEB_CMD);
> +
> + cmd.hdr.size = cpu_to_le16(sizeof(cmd));
> + cmd.avg_factor = cpu_to_le16(1);
> + rsp.hdr.size = cpu_to_le16(sizeof(rsp));
> +
> + /* main.c might have called us just to un-break a hanging firmware */
> + if (!snr && !nf) {
> + lbs_cmd_async(priv, CMD_802_11_RSSI, &cmd.hdr, sizeof(cmd));
> + return 0;
> + }
> +
> + ret = lbs_cmd(priv, CMD_802_11_RSSI,
> + &cmd, lbs_cmd_copyback, (unsigned long) &rsp);
> +
> + if (!ret) {
> + _snr = le16_to_cpu(rsp.SNR);
> + _nf = le16_to_cpu(rsp.NF);
> + } else {
> + _snr = 0;
> + _nf = abs(MRVDRV_NF_DEFAULT_SCAN_VALUE);
> + }
> +
> + if (*snr) *snr = _snr;
> + if (*nf) *nf = _nf;
> +
> + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> +
> + return ret;
> +}
> +
> /**
> * @brief Get the current data rate
> *
> @@ -858,27 +896,6 @@ out:
> return ret;
> }
>
> -static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
> - struct cmd_ds_command *cmd)
> -{
> -
> - lbs_deb_enter(LBS_DEB_CMD);
> - cmd->command = cpu_to_le16(CMD_802_11_RSSI);
> - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
> - cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
> -
> - /* reset Beacon SNR/NF/RSSI values */
> - priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
> - priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
> - priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
> - priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
> - priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
> - priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
> -
> - lbs_deb_leave(LBS_DEB_CMD);
> - return 0;
> -}
> -
> static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
> u8 cmd_action, void *pdata_buf)
> {
> @@ -1383,10 +1400,6 @@ int lbs_prepare_and_send_command(struct
> ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
> break;
>
> - case CMD_802_11_RSSI:
> - ret = lbs_cmd_802_11_rssi(priv, cmdptr);
> - break;
> -
> case CMD_802_11_AD_HOC_STOP:
> ret = lbs_cmd_80211_ad_hoc_stop(cmdptr);
> break;
> Index: wireless-testing/drivers/net/wireless/libertas/cmdresp.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/cmdresp.c 2008-03-26 09:18:24.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/cmdresp.c 2008-03-26 09:18:51.000000000 +0100
> @@ -51,15 +51,6 @@ void lbs_mac_event_disconnected(struct l
> kfree_skb(priv->currenttxskb);
> priv->currenttxskb = NULL;
> priv->tx_pending_len = 0;
> -
> - /* reset SNR/NF/RSSI values */
> - memset(priv->SNR, 0x00, sizeof(priv->SNR));
> - memset(priv->NF, 0x00, sizeof(priv->NF));
> - memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
> - memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
> - memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
> - priv->nextSNRNF = 0;
> - priv->numSNRNF = 0;
> priv->connect_status = LBS_DISCONNECTED;
>
> /* Clear out associated SSID and BSSID since connection is
> @@ -219,36 +210,6 @@ static int lbs_ret_802_11_rate_adapt_rat
> return 0;
> }
>
> -static int lbs_ret_802_11_rssi(struct lbs_private *priv,
> - struct cmd_ds_command *resp)
> -{
> - struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
> -
> - lbs_deb_enter(LBS_DEB_CMD);
> -
> - /* store the non average value */
> - priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
> - priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
> -
> - priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
> - priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
> -
> - priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
> - CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
> - priv->NF[TYPE_BEACON][TYPE_NOAVG]);
> -
> - priv->RSSI[TYPE_BEACON][TYPE_AVG] =
> - CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
> - priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
> -
> - lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
> - priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
> - priv->RSSI[TYPE_BEACON][TYPE_AVG]);
> -
> - lbs_deb_leave(LBS_DEB_CMD);
> - return 0;
> -}
> -
> static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
> struct cmd_ds_command *resp)
> {
> @@ -326,10 +287,6 @@ static inline int handle_cmd_response(st
> ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
> break;
>
> - case CMD_RET(CMD_802_11_RSSI):
> - ret = lbs_ret_802_11_rssi(priv, resp);
> - break;
> -
> case CMD_RET(CMD_802_11_AD_HOC_STOP):
> ret = lbs_ret_80211_ad_hoc_stop(priv);
> break;
> Index: wireless-testing/drivers/net/wireless/libertas/hostcmd.h
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/hostcmd.h 2008-03-26 09:18:21.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/hostcmd.h 2008-03-26 09:18:31.000000000 +0100
> @@ -411,19 +411,21 @@ struct cmd_ds_802_11_rf_channel {
> };
>
> struct cmd_ds_802_11_rssi {
> - /* weighting factor */
> - __le16 N;
> + struct cmd_header hdr;
>
> + __le16 avg_factor;
> __le16 reserved_0;
> __le16 reserved_1;
> __le16 reserved_2;
> };
>
> struct cmd_ds_802_11_rssi_rsp {
> + struct cmd_header hdr;
> +
> __le16 SNR;
> - __le16 noisefloor;
> + __le16 NF;
> __le16 avgSNR;
> - __le16 avgnoisefloor;
> + __le16 avgNF;
> };
>
> struct cmd_ds_802_11_mac_address {
> @@ -708,8 +710,6 @@ struct cmd_ds_command {
> struct cmd_ds_802_11_rate_adapt_rateset rateset;
> struct cmd_ds_mac_multicast_adr madr;
> struct cmd_ds_802_11_ad_hoc_join adj;
> - struct cmd_ds_802_11_rssi rssi;
> - struct cmd_ds_802_11_rssi_rsp rssirsp;
> struct cmd_ds_802_11_disassociate dassociate;
> struct cmd_ds_mac_reg_access macreg;
> struct cmd_ds_bbp_reg_access bbpreg;
> Index: wireless-testing/drivers/net/wireless/libertas/assoc.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/assoc.c 2008-03-26 09:17:22.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/assoc.c 2008-03-26 09:18:31.000000000 +0100
> @@ -621,9 +621,6 @@ void lbs_association_worker(struct work_
> if (success) {
> lbs_deb_assoc("associated to %s\n",
> print_mac(mac, priv->curbssparams.bssid));
> - lbs_prepare_and_send_command(priv,
> - CMD_802_11_RSSI,
> - 0, CMD_OPTION_WAITFORRSP, 0, NULL);
> } else {
> ret = -1;
> }
> Index: wireless-testing/drivers/net/wireless/libertas/main.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/main.c 2008-03-26 09:18:21.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/main.c 2008-03-26 09:18:31.000000000 +0100
> @@ -487,8 +487,7 @@ static void lbs_tx_timeout(struct net_de
> firmware has crapped itself -- rather than just a very
> busy medium. So send a harmless command, and if/when
> _that_ times out, we'll kick it in the head. */
> - lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
> - 0, 0, NULL);
> + lbs_get_rssi(priv, NULL, NULL);
>
> lbs_deb_leave(LBS_DEB_TX);
> }
> @@ -901,8 +900,7 @@ int lbs_resume(struct lbs_private *priv)
>
> /* Firmware doesn't seem to give us RX packets any more
> until we send it some command. Might as well update */
> - lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
> - 0, 0, NULL);
> + lbs_get_rssi(priv, NULL, NULL);
>
> netif_device_attach(priv->dev);
> if (priv->mesh_dev)
> Index: wireless-testing/drivers/net/wireless/libertas/scan.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/scan.c 2008-03-26 09:17:22.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/scan.c 2008-03-26 09:18:31.000000000 +0100
> @@ -1194,12 +1194,6 @@ static inline char *lbs_translate_scan(s
> if (iwe.u.qual.qual > 100)
> iwe.u.qual.qual = 100;
>
> - if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
> - iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
> - } else {
> - iwe.u.qual.noise = CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
> - }
> -
> /* Locally created ad-hoc BSSs won't have beacons if this is the
> * only station in the adhoc network; so get signal strength
> * from receive statistics.
> @@ -1208,11 +1202,9 @@ static inline char *lbs_translate_scan(s
> && !lbs_ssid_cmp(priv->curbssparams.ssid,
> priv->curbssparams.ssid_len,
> bss->ssid, bss->ssid_len)) {
> - int snr, nf;
> - snr = priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
> - nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
> - iwe.u.qual.level = CAL_RSSI(snr, nf);
> + iwe.u.qual.level = 100;
> }
> + iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
> start = iwe_stream_add_event(start, stop, &iwe, IW_EV_QUAL_LEN);
>
> /* Add encryption capability */
> @@ -1369,11 +1361,6 @@ int lbs_get_scan(struct net_device *dev,
> if (priv->scan_channel)
> return -EAGAIN;
>
> - /* Update RSSI if current BSS is a locally created ad-hoc BSS */
> - if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate)
> - lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
> - CMD_OPTION_WAITFORRSP, 0, NULL);
> -
> mutex_lock(&priv->lock);
> list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
> char *next_ev;
> Index: wireless-testing/drivers/net/wireless/libertas/cmd.h
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/cmd.h 2008-03-26 09:17:22.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/cmd.h 2008-03-26 09:18:31.000000000 +0100
> @@ -34,6 +34,8 @@ int lbs_update_hw_spec(struct lbs_privat
> int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
> struct cmd_ds_mesh_access *cmd);
>
> +int lbs_get_rssi(struct lbs_private *priv, u16 *snr, u16 *nf);
> +
> int lbs_get_data_rate(struct lbs_private *priv);
> int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
>
> Index: wireless-testing/drivers/net/wireless/libertas/dev.h
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/dev.h 2008-03-26 09:18:21.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/dev.h 2008-03-26 09:18:31.000000000 +0100
> @@ -288,15 +288,6 @@ struct lbs_private {
> u8 wpa_ie[MAX_WPA_IE_LEN];
> u8 wpa_ie_len;
>
> - /** Requested Signal Strength*/
> - u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
> - u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
> - u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
> - u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
> - u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
> - u16 nextSNRNF;
> - u16 numSNRNF;
> -
> u8 radioon;
> u32 preamble;
>
> Index: wireless-testing/drivers/net/wireless/libertas/join.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/join.c 2008-03-26 09:17:22.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/join.c 2008-03-26 09:18:31.000000000 +0100
> @@ -751,14 +751,6 @@ int lbs_ret_80211_associate(struct lbs_p
> priv->curbssparams.ssid_len = bss->ssid_len;
> memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
>
> - priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
> - priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
> -
> - memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
> - memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
> - priv->nextSNRNF = 0;
> - priv->numSNRNF = 0;
> -
> netif_carrier_on(priv->dev);
> if (!priv->tx_pending_len)
> netif_wake_queue(priv->dev);
> Index: wireless-testing/drivers/net/wireless/libertas/wext.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/wext.c 2008-03-26 09:17:22.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/wext.c 2008-03-26 09:18:31.000000000 +0100
> @@ -811,6 +811,7 @@ static struct iw_statistics *lbs_get_wir
> u8 rssi;
> u32 tx_retries;
> struct cmd_ds_802_11_get_log log;
> + u16 snr, nf;
>
> lbs_deb_enter(LBS_DEB_WEXT);
>
> @@ -821,17 +822,11 @@ static struct iw_statistics *lbs_get_wir
> (priv->mesh_connect_status != LBS_CONNECTED))
> goto out;
>
> - /* Quality by RSSI */
> - priv->wstats.qual.level =
> - CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
> - priv->NF[TYPE_BEACON][TYPE_NOAVG]);
> + lbs_get_rssi(priv, &snr, &nf);
>
> - if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
> - priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
> - } else {
> - priv->wstats.qual.noise =
> - CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
> - }
> + /* Quality by RSSI */
> + priv->wstats.qual.level = CAL_RSSI(snr, nf);
> + priv->wstats.qual.noise = CAL_NF(nf);
>
> lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
> lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
> @@ -883,9 +878,6 @@ static struct iw_statistics *lbs_get_wir
> priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
> stats_valid = 1;
>
> - /* update stats asynchronously for future calls */
> - lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
> - 0, 0, NULL);
> out:
> if (!stats_valid) {
> priv->wstats.miss.beacon = 0;
> Index: wireless-testing/drivers/net/wireless/libertas/rx.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/libertas/rx.c 2008-03-26 09:18:21.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/libertas/rx.c 2008-03-26 09:18:31.000000000 +0100
> @@ -39,99 +39,6 @@ static int process_rxed_802_11_packet(st
> struct sk_buff *skb);
>
> /**
> - * @brief This function computes the avgSNR .
> - *
> - * @param priv A pointer to struct lbs_private structure
> - * @return avgSNR
> - */
> -static u8 lbs_getavgsnr(struct lbs_private *priv)
> -{
> - u8 i;
> - u16 temp = 0;
> - if (priv->numSNRNF == 0)
> - return 0;
> - for (i = 0; i < priv->numSNRNF; i++)
> - temp += priv->rawSNR[i];
> - return (u8) (temp / priv->numSNRNF);
> -
> -}
> -
> -/**
> - * @brief This function computes the AvgNF
> - *
> - * @param priv A pointer to struct lbs_private structure
> - * @return AvgNF
> - */
> -static u8 lbs_getavgnf(struct lbs_private *priv)
> -{
> - u8 i;
> - u16 temp = 0;
> - if (priv->numSNRNF == 0)
> - return 0;
> - for (i = 0; i < priv->numSNRNF; i++)
> - temp += priv->rawNF[i];
> - return (u8) (temp / priv->numSNRNF);
> -
> -}
> -
> -/**
> - * @brief This function save the raw SNR/NF to our internel buffer
> - *
> - * @param priv A pointer to struct lbs_private structure
> - * @param prxpd A pointer to rxpd structure of received packet
> - * @return n/a
> - */
> -static void lbs_save_rawSNRNF(struct lbs_private *priv, struct rxpd *p_rx_pd)
> -{
> - if (priv->numSNRNF < DEFAULT_DATA_AVG_FACTOR)
> - priv->numSNRNF++;
> - priv->rawSNR[priv->nextSNRNF] = p_rx_pd->snr;
> - priv->rawNF[priv->nextSNRNF] = p_rx_pd->nf;
> - priv->nextSNRNF++;
> - if (priv->nextSNRNF >= DEFAULT_DATA_AVG_FACTOR)
> - priv->nextSNRNF = 0;
> - return;
> -}
> -
> -/**
> - * @brief This function computes the RSSI in received packet.
> - *
> - * @param priv A pointer to struct lbs_private structure
> - * @param prxpd A pointer to rxpd structure of received packet
> - * @return n/a
> - */
> -static void lbs_compute_rssi(struct lbs_private *priv, struct rxpd *p_rx_pd)
> -{
> -
> - lbs_deb_enter(LBS_DEB_RX);
> -
> - lbs_deb_rx("rxpd: SNR %d, NF %d\n", p_rx_pd->snr, p_rx_pd->nf);
> - lbs_deb_rx("before computing SNR: SNR-avg = %d, NF-avg = %d\n",
> - priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE,
> - priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE);
> -
> - priv->SNR[TYPE_RXPD][TYPE_NOAVG] = p_rx_pd->snr;
> - priv->NF[TYPE_RXPD][TYPE_NOAVG] = p_rx_pd->nf;
> - lbs_save_rawSNRNF(priv, p_rx_pd);
> -
> - priv->SNR[TYPE_RXPD][TYPE_AVG] = lbs_getavgsnr(priv) * AVG_SCALE;
> - priv->NF[TYPE_RXPD][TYPE_AVG] = lbs_getavgnf(priv) * AVG_SCALE;
> - lbs_deb_rx("after computing SNR: SNR-avg = %d, NF-avg = %d\n",
> - priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE,
> - priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE);
> -
> - priv->RSSI[TYPE_RXPD][TYPE_NOAVG] =
> - CAL_RSSI(priv->SNR[TYPE_RXPD][TYPE_NOAVG],
> - priv->NF[TYPE_RXPD][TYPE_NOAVG]);
> -
> - priv->RSSI[TYPE_RXPD][TYPE_AVG] =
> - CAL_RSSI(priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE,
> - priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE);
> -
> - lbs_deb_leave(LBS_DEB_RX);
> -}
> -
> -/**
> * @brief This function processes received packet and forwards it
> * to kernel/upper layer
> *
> @@ -240,8 +147,6 @@ int lbs_process_rxed_packet(struct lbs_p
> if (priv->auto_rate)
> priv->cur_rate = lbs_fw_index_to_data_rate(p_rx_pd->rx_rate);
>
> - lbs_compute_rssi(priv, p_rx_pd);
> -
> lbs_deb_rx("rx data: size of actual packet %d\n", skb->len);
> priv->stats.rx_bytes += skb->len;
> priv->stats.rx_packets++;
> @@ -359,7 +264,7 @@ static int process_rxed_802_11_packet(st
> /* known values */
> radiotap_hdr.rate = convert_mv_rate_to_radiotap(prxpd->rx_rate);
> /* XXX must check no carryout */
> - radiotap_hdr.antsignal = prxpd->snr + prxpd->nf;
> + radiotap_hdr.antsignal = CAL_RSSI(prxpd->snr, prxpd->nf);
> radiotap_hdr.rx_flags = 0;
> if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK)))
> radiotap_hdr.rx_flags |= IEEE80211_RADIOTAP_F_RX_BADFCS;
> @@ -386,8 +291,6 @@ static int process_rxed_802_11_packet(st
> if (priv->auto_rate)
> priv->cur_rate = lbs_fw_index_to_data_rate(prxpd->rx_rate);
>
> - lbs_compute_rssi(priv, prxpd);
> -
> lbs_deb_rx("rx data: size of actual packet %d\n", skb->len);
> priv->stats.rx_bytes += skb->len;
> priv->stats.rx_packets++;
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