b43: Add more N-PHY stuff
This adds some minor stuff for N-PHY support. Nothing special.
Adds Analog switching and some TODOs for RSSI processing.
Just a patch I had floating around for quite some time now.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index b2a3123..19aefbf 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -513,7 +513,6 @@
u32 macstat;
u16 chanid;
u16 phytype;
- u8 jssi;
int padding;
memset(&status, 0, sizeof(status));
@@ -521,7 +520,6 @@
/* Get metadata about the frame from the header. */
phystat0 = le16_to_cpu(rxhdr->phy_status0);
phystat3 = le16_to_cpu(rxhdr->phy_status3);
- jssi = rxhdr->jssi;
macstat = le32_to_cpu(rxhdr->mac_status);
mactime = le16_to_cpu(rxhdr->mac_time);
chanstat = le16_to_cpu(rxhdr->channel);
@@ -575,13 +573,22 @@
}
}
- status.ssi = b43_rssi_postprocess(dev, jssi,
- (phystat0 & B43_RX_PHYST0_OFDM),
- (phystat0 & B43_RX_PHYST0_GAINCTL),
- (phystat3 & B43_RX_PHYST3_TRSTATE));
+ /* Link quality statistics */
status.noise = dev->stats.link_noise;
- /* the next line looks wrong, but is what mac80211 wants */
- status.signal = (jssi * 100) / B43_RX_MAX_SSI;
+ if ((chanstat & B43_RX_CHAN_PHYTYPE) == B43_PHYTYPE_N) {
+// s8 rssi = max(rxhdr->power0, rxhdr->power1);
+ //TODO: Find out what the rssi value is (dBm or percentage?)
+ // and also find out what the maximum possible value is.
+ // Fill status.ssi and status.signal fields.
+ } else {
+ status.ssi = b43_rssi_postprocess(dev, rxhdr->jssi,
+ (phystat0 & B43_RX_PHYST0_OFDM),
+ (phystat0 & B43_RX_PHYST0_GAINCTL),
+ (phystat3 & B43_RX_PHYST3_TRSTATE));
+ /* the next line looks wrong, but is what mac80211 wants */
+ status.signal = (rxhdr->jssi * 100) / B43_RX_MAX_SSI;
+ }
+
if (phystat0 & B43_RX_PHYST0_OFDM)
status.rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp,
phytype == B43_PHYTYPE_A);