diff options
| author | Thomas Pedersen <thomas@adapt-ip.com> | 2020-04-02 03:18:03 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-04-24 12:33:43 +0200 |
| commit | 934f4c7dd3a544bb8000f7436f1f0e12e04ebc37 (patch) | |
| tree | 3a852cedb96aa510836d1f1fe5810297fbeac29e /net/wireless/trace.h | |
| parent | ieee80211: share 802.11 unit conversion helpers (diff) | |
| download | linux-934f4c7dd3a544bb8000f7436f1f0e12e04ebc37.tar.xz linux-934f4c7dd3a544bb8000f7436f1f0e12e04ebc37.zip | |
cfg80211: express channels with a KHz component
Some bands (S1G) define channels centered on a non-integer
MHz. Give ieee80211_channel and cfg80211_chan_def a
freq_offset component where the final frequency can be
expressed as:
MHZ_TO_KHZ(chan->center_freq) + chan->freq_offset;
Also provide some helper functions to do the frequency
conversion and test for equality.
Retain the existing interface to frequency and channel
conversion helpers, and expose new ones which handle
frequencies in units of KHz.
Some internal functions (net/wireless/chan.c) pass around
a frequency value. Convert these to units of KHz.
mesh, ibss, wext, etc. are currently ignored.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200402011810.22947-3-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/trace.h')
| -rw-r--r-- | net/wireless/trace.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/net/wireless/trace.h b/net/wireless/trace.h index ee736620f1e3..53c887ea67c7 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -112,24 +112,29 @@ } while (0) #define CHAN_ENTRY __field(enum nl80211_band, band) \ - __field(u32, center_freq) + __field(u32, center_freq) \ + __field(u16, freq_offset) #define CHAN_ASSIGN(chan) \ do { \ if (chan) { \ __entry->band = chan->band; \ __entry->center_freq = chan->center_freq; \ + __entry->freq_offset = chan->freq_offset; \ } else { \ __entry->band = 0; \ __entry->center_freq = 0; \ + __entry->freq_offset = 0; \ } \ } while (0) -#define CHAN_PR_FMT "band: %d, freq: %u" -#define CHAN_PR_ARG __entry->band, __entry->center_freq +#define CHAN_PR_FMT "band: %d, freq: %u.%03u" +#define CHAN_PR_ARG __entry->band, __entry->center_freq, __entry->freq_offset #define CHAN_DEF_ENTRY __field(enum nl80211_band, band) \ __field(u32, control_freq) \ + __field(u32, freq_offset) \ __field(u32, width) \ __field(u32, center_freq1) \ + __field(u32, freq1_offset) \ __field(u32, center_freq2) #define CHAN_DEF_ASSIGN(chandef) \ do { \ @@ -137,21 +142,27 @@ __entry->band = (chandef)->chan->band; \ __entry->control_freq = \ (chandef)->chan->center_freq; \ + __entry->freq_offset = \ + (chandef)->chan->freq_offset; \ __entry->width = (chandef)->width; \ __entry->center_freq1 = (chandef)->center_freq1;\ + __entry->freq1_offset = (chandef)->freq1_offset;\ __entry->center_freq2 = (chandef)->center_freq2;\ } else { \ __entry->band = 0; \ __entry->control_freq = 0; \ + __entry->freq_offset = 0; \ __entry->width = 0; \ __entry->center_freq1 = 0; \ + __entry->freq1_offset = 0; \ __entry->center_freq2 = 0; \ } \ } while (0) #define CHAN_DEF_PR_FMT \ - "band: %d, control freq: %u, width: %d, cf1: %u, cf2: %u" + "band: %d, control freq: %u.%03u, width: %d, cf1: %u.%03u, cf2: %u" #define CHAN_DEF_PR_ARG __entry->band, __entry->control_freq, \ - __entry->width, __entry->center_freq1, \ + __entry->freq_offset, __entry->width, \ + __entry->center_freq1, __entry->freq1_offset, \ __entry->center_freq2 #define SINFO_ENTRY __field(int, generation) \ |