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From: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
To: johannes@sipsolutions.net
Cc: linux-wireless@vger.kernel.org,
	Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Subject: [PATCH] iw: S1G: add list command support for 802.11ah
Date: Tue, 28 Feb 2023 12:11:24 +1300	[thread overview]
Message-ID: <20230227231124.711053-1-gilad.itzkovitch@virscient.com> (raw)

From: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>

In this changeset S1G frequencies are displayed for any S1G band
with their relevant properties.

Signed-off-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
---
 info.c | 15 ++++++++++++++-
 util.c |  2 ++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/info.c b/info.c
index 5229d44..7d649b8 100644
--- a/info.c
+++ b/info.c
@@ -297,6 +297,7 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
 	struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
 	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
 		[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
+		[NL80211_FREQUENCY_ATTR_OFFSET] = { .type = NLA_U32 },
 		[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
 		[NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
 		[__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
@@ -392,12 +393,24 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
 				}
 				nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
 					uint32_t freq;
+					uint32_t offset = 0;
+
 					nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
 						  nla_len(nl_freq), freq_policy);
 					if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
 						continue;
 					freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
-					printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
+					if (tb_freq[NL80211_FREQUENCY_ATTR_OFFSET])
+						offset = nla_get_u32(
+							tb_freq[NL80211_FREQUENCY_ATTR_OFFSET]);
+
+					if (tb_freq[NL80211_FREQUENCY_ATTR_OFFSET])
+						printf("\t\t\t* %d.%d MHz", freq, offset);
+					else
+						printf("\t\t\t* %d MHz", freq);
+
+					if (ieee80211_frequency_to_channel(freq))
+						printf(" [%d]", ieee80211_frequency_to_channel(freq));
 
 					if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
 					    !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
diff --git a/util.c b/util.c
index 8a2ba10..ba7dc26 100644
--- a/util.c
+++ b/util.c
@@ -199,6 +199,8 @@ int ieee80211_channel_to_frequency(int chan, enum nl80211_band band)
 
 int ieee80211_frequency_to_channel(int freq)
 {
+	if (freq < 1000)
+		return 0;
 	/* see 802.11-2007 17.3.8.3.2 and Annex J */
 	if (freq == 2484)
 		return 14;

base-commit: d6fd2757f7aab638022ffa635e32e21594ec382d
-- 
2.25.1


                 reply	other threads:[~2023-02-27 23:11 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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