Opennet Firmware
radar_silent_chirp.patch-disabled
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1Deactivate messages "not enough packets for chirp".
2
3Author: Kai-Uwe
4
5Index: on_firmware/openwrt/package/kernel/mac80211/patches/ath/495_silent_chirp.patch
6===================================================================
7--- /dev/null
8+++ on_firmware/openwrt/package/kernel/mac80211/patches/ath/495_silent_chirp.patch
9@@ -0,0 +1,75 @@
10+--- a/drivers/net/wireless/ath/ath9k/dfs.c
11++++ b/drivers/net/wireless/ath/ath9k/dfs.c
12+@@ -112,16 +112,16 @@
13+ if (num_fft_packets == 0)
14+ return false;
15+
16+- ath_dbg(common, DFS, "HT40: datalen=%d, num_fft_packets=%d\n",
17+- datalen, num_fft_packets);
18++ //ath_dbg(common, DFS, "HT40: datalen=%d, num_fft_packets=%d\n",
19++ //datalen, num_fft_packets);
20+ if (num_fft_packets < FFT_NUM_SAMPLES) {
21+- ath_dbg(common, DFS, "not enough packets for chirp\n");
22++ //ath_dbg(common, DFS, "not enough packets for chirp\n");
23+ return false;
24+ }
25+ /* HW sometimes adds 2 garbage bytes in front of FFT samples */
26+ if ((datalen % sizeof(*fft)) == 2) {
27+ fft = (struct ath9k_dfs_fft_40 *) (data + 2);
28+- ath_dbg(common, DFS, "fixing datalen by 2\n");
29++ //ath_dbg(common, DFS, "fixing datalen by 2\n");
30+ }
31+ if (IS_CHAN_HT40MINUS(ah->curchan))
32+ swap(is_ctl, is_ext);
33+@@ -134,18 +134,18 @@
34+ int num_fft_packets = datalen / sizeof(*fft);
35+ if (num_fft_packets == 0)
36+ return false;
37+- ath_dbg(common, DFS, "HT20: datalen=%d, num_fft_packets=%d\n",
38+- datalen, num_fft_packets);
39++ //ath_dbg(common, DFS, "HT20: datalen=%d, num_fft_packets=%d\n",
40++ //datalen, num_fft_packets);
41+ if (num_fft_packets < FFT_NUM_SAMPLES) {
42+- ath_dbg(common, DFS, "not enough packets for chirp\n");
43++ //ath_dbg(common, DFS, "not enough packets for chirp\n");
44+ return false;
45+ }
46+ /* in ht20, this is a 6-bit signed number => shift it to 0 */
47+ for (i = 0; i < FFT_NUM_SAMPLES; i++)
48+ max_bin[i] = fft_max_index(fft[i].lower_bins) ^ 0x20;
49+ }
50+- ath_dbg(common, DFS, "bin_max = [%d, %d, %d, %d]\n",
51+- max_bin[0], max_bin[1], max_bin[2], max_bin[3]);
52++ //ath_dbg(common, DFS, "bin_max = [%d, %d, %d, %d]\n",
53++ //max_bin[0], max_bin[1], max_bin[2], max_bin[3]);
54+
55+ /* Check for chirp attributes within specs
56+ * a) delta of adjacent max_bins is within range
57+@@ -158,21 +158,21 @@
58+
59+ /* ensure gradient is within valid range */
60+ if (abs(delta) < BIN_DELTA_MIN || abs(delta) > BIN_DELTA_MAX) {
61+- ath_dbg(common, DFS, "CHIRP: invalid delta %d "
62+- "in sample %d\n", delta, i);
63++ //ath_dbg(common, DFS, "CHIRP: invalid delta %d "
64++ //"in sample %d\n", delta, i);
65+ return false;
66+ }
67+ if (i == 0)
68+ goto done;
69+ ddelta = delta - prev_delta;
70+ if (abs(ddelta) > MAX_DIFF) {
71+- ath_dbg(common, DFS, "CHIRP: ddelta %d too high\n",
72+- ddelta);
73++ //ath_dbg(common, DFS, "CHIRP: ddelta %d too high\n",
74++ //ddelta);
75+ return false;
76+ }
77+ done:
78+- ath_dbg(common, DFS, "CHIRP - %d: delta=%d, ddelta=%d\n",
79+- i, delta, ddelta);
80++ //ath_dbg(common, DFS, "CHIRP - %d: delta=%d, ddelta=%d\n",
81++ //i, delta, ddelta);
82+ prev_delta = delta;
83+ }
84+ return true;