summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/iwl-3945.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c79
1 files changed, 15 insertions, 64 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 7ac6cec006d0..bde3b4cbab9d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -192,12 +192,12 @@ static int iwl3945_hwrate_to_plcp_idx(u8 plcp)
}
#ifdef CONFIG_IWLWIFI_DEBUG
-#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
+#define TX_STATUS_ENTRY(x) case TX_3945_STATUS_FAIL_ ## x: return #x
static const char *iwl3945_get_tx_fail_reason(u32 status)
{
switch (status & TX_STATUS_MSK) {
- case TX_STATUS_SUCCESS:
+ case TX_3945_STATUS_SUCCESS:
return "SUCCESS";
TX_STATUS_ENTRY(SHORT_LIMIT);
TX_STATUS_ENTRY(LONG_LIMIT);
@@ -487,7 +487,7 @@ static void _iwl3945_dbg_report_frame(struct iwl_priv *priv,
* but you can hack it to show more, if you'd like to. */
if (dataframe)
IWL_DEBUG_RX(priv, "%s: mhd=0x%04x, dst=0x%02x, "
- "len=%u, rssi=%d, chnl=%d, rate=%d, \n",
+ "len=%u, rssi=%d, chnl=%d, rate=%d,\n",
title, le16_to_cpu(fc), header->addr1[5],
length, rssi, channel, rate);
else {
@@ -549,7 +549,6 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
u16 len = le16_to_cpu(rx_hdr->len);
struct sk_buff *skb;
- int ret;
__le16 fc = hdr->frame_control;
/* We received data from the HW, so stop the watchdog */
@@ -566,9 +565,9 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
return;
}
- skb = alloc_skb(IWL_LINK_HDR_MAX * 2, GFP_ATOMIC);
+ skb = dev_alloc_skb(128);
if (!skb) {
- IWL_ERR(priv, "alloc_skb failed\n");
+ IWL_ERR(priv, "dev_alloc_skb failed\n");
return;
}
@@ -577,37 +576,13 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
(struct ieee80211_hdr *)rxb_addr(rxb),
le32_to_cpu(rx_end->status), stats);
- skb_reserve(skb, IWL_LINK_HDR_MAX);
skb_add_rx_frag(skb, 0, rxb->page,
(void *)rx_hdr->payload - (void *)pkt, len);
- /* mac80211 currently doesn't support paged SKB. Convert it to
- * linear SKB for management frame and data frame requires
- * software decryption or software defragementation. */
- if (ieee80211_is_mgmt(fc) ||
- ieee80211_has_protected(fc) ||
- ieee80211_has_morefrags(fc) ||
- le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)
- ret = skb_linearize(skb);
- else
- ret = __pskb_pull_tail(skb, min_t(u16, IWL_LINK_HDR_MAX, len)) ?
- 0 : -ENOMEM;
-
- if (ret) {
- kfree_skb(skb);
- goto out;
- }
-
- /*
- * XXX: We cannot touch the page and its virtual memory (pkt) after
- * here. It might have already been freed by the above skb change.
- */
-
iwl_update_stats(priv, false, fc, len);
memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
ieee80211_rx(priv->hw, skb);
- out:
priv->alloc_rxb_page--;
rxb->page = NULL;
}
@@ -623,9 +598,8 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
- int snr;
- u16 rx_stats_sig_avg = le16_to_cpu(rx_stats->sig_avg);
- u16 rx_stats_noise_diff = le16_to_cpu(rx_stats->noise_diff);
+ u16 rx_stats_sig_avg __maybe_unused = le16_to_cpu(rx_stats->sig_avg);
+ u16 rx_stats_noise_diff __maybe_unused = le16_to_cpu(rx_stats->noise_diff);
u8 network_packet;
rx_status.flag = 0;
@@ -663,43 +637,19 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
/* Convert 3945's rssi indicator to dBm */
rx_status.signal = rx_stats->rssi - IWL39_RSSI_OFFSET;
- /* Set default noise value to -127 */
- if (priv->last_rx_noise == 0)
- priv->last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
-
- /* 3945 provides noise info for OFDM frames only.
- * sig_avg and noise_diff are measured by the 3945's digital signal
- * processor (DSP), and indicate linear levels of signal level and
- * distortion/noise within the packet preamble after
- * automatic gain control (AGC). sig_avg should stay fairly
- * constant if the radio's AGC is working well.
- * Since these values are linear (not dB or dBm), linear
- * signal-to-noise ratio (SNR) is (sig_avg / noise_diff).
- * Convert linear SNR to dB SNR, then subtract that from rssi dBm
- * to obtain noise level in dBm.
- * Calculate rx_status.signal (quality indicator in %) based on SNR. */
- if (rx_stats_noise_diff) {
- snr = rx_stats_sig_avg / rx_stats_noise_diff;
- rx_status.noise = rx_status.signal -
- iwl3945_calc_db_from_ratio(snr);
- } else {
- rx_status.noise = priv->last_rx_noise;
- }
-
-
- IWL_DEBUG_STATS(priv, "Rssi %d noise %d sig_avg %d noise_diff %d\n",
- rx_status.signal, rx_status.noise,
- rx_stats_sig_avg, rx_stats_noise_diff);
+ IWL_DEBUG_STATS(priv, "Rssi %d sig_avg %d noise_diff %d\n",
+ rx_status.signal, rx_stats_sig_avg,
+ rx_stats_noise_diff);
header = (struct ieee80211_hdr *)IWL_RX_DATA(pkt);
network_packet = iwl3945_is_network_packet(priv, header);
- IWL_DEBUG_STATS_LIMIT(priv, "[%c] %d RSSI:%d Signal:%u, Noise:%u, Rate:%u\n",
+ IWL_DEBUG_STATS_LIMIT(priv, "[%c] %d RSSI:%d Signal:%u, Rate:%u\n",
network_packet ? '*' : ' ',
le16_to_cpu(rx_hdr->channel),
rx_status.signal, rx_status.signal,
- rx_status.noise, rx_status.rate_idx);
+ rx_status.rate_idx);
/* Set "1" to report good data frames in groups of 100 */
iwl3945_dbg_report_frame(priv, pkt, header, 1);
@@ -710,7 +660,6 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
le32_to_cpu(rx_end->beacon_timestamp);
priv->_3945.last_tsf = le64_to_cpu(rx_end->timestamp);
priv->_3945.last_rx_rssi = rx_status.signal;
- priv->last_rx_noise = rx_status.noise;
}
iwl3945_pass_packet_to_mac80211(priv, rxb, &rx_status);
@@ -1050,7 +999,7 @@ static void iwl3945_nic_config(struct iwl_priv *priv)
IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
if (rev_id & PCI_CFG_REV_ID_BIT_RTP)
- IWL_DEBUG_INFO(priv, "RTP type \n");
+ IWL_DEBUG_INFO(priv, "RTP type\n");
else if (rev_id & PCI_CFG_REV_ID_BIT_BASIC_SKU) {
IWL_DEBUG_INFO(priv, "3945 RADIO-MB type\n");
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
@@ -2822,6 +2771,7 @@ static struct iwl_cfg iwl3945_bg_cfg = {
.broken_powersave = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.monitor_recover_period = IWL_MONITORING_PERIOD,
+ .max_event_log_size = 512,
};
static struct iwl_cfg iwl3945_abg_cfg = {
@@ -2841,6 +2791,7 @@ static struct iwl_cfg iwl3945_abg_cfg = {
.broken_powersave = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.monitor_recover_period = IWL_MONITORING_PERIOD,
+ .max_event_log_size = 512,
};
DEFINE_PCI_DEVICE_TABLE(iwl3945_hw_card_ids) = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 22:23:41 +0100