[RPCD RFC PATCH 2/2] iwinfo: add ht and vht operation info to wifi scan
Ansuel Smith
ansuelsmth at gmail.com
Sun Nov 15 17:53:20 EST 2020
Iwinfo exports ht and vht operation info useful to get channel info of
nearby stations. Add these new info to ubus output.
Signed-off-by: Ansuel Smith <ansuelsmth at gmail.com>
---
iwinfo.c | 35 ++++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/iwinfo.c b/iwinfo.c
index 7780e69..182db2d 100644
--- a/iwinfo.c
+++ b/iwinfo.c
@@ -403,11 +403,30 @@ rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
struct blob_attr *msg)
{
int i, rv, len;
- void *c, *d;
+ void *c, *d, *t;
char mac[18];
char res[IWINFO_BUFSIZE];
struct iwinfo_scanlist_entry *e;
+ const char *ht_secondary_offset[4] = {
+ "no secondary",
+ "above",
+ "[reserved!]",
+ "below",
+ };
+
+ const char *ht_chan_width[2] = {
+ "20 MHz",
+ "any",
+ };
+
+ const char *vht_chan_width[] = {
+ [0] = "20 or 40 MHz",
+ [1] = "80 MHz",
+ [3] = "80+80 MHz",
+ [2] = "160 MHz",
+ };
+
rv = rpc_iwinfo_open(msg);
if (rv)
@@ -441,6 +460,20 @@ rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
blobmsg_add_u32(&buf, "quality", e->quality);
blobmsg_add_u32(&buf, "quality_max", e->quality_max);
+ t = blobmsg_open_table(&buf, "ht_operation");
+ blobmsg_add_u32(&buf, "primary_channel", e->ht_chan_info.primary_chan);
+ blobmsg_add_string(&buf, "secondary_channel_offset", ht_secondary_offset[e->ht_chan_info.secondary_chan_off]);
+ blobmsg_add_string(&buf, "channel_width", ht_chan_width[e->ht_chan_info.chan_width]);
+ blobmsg_close_table(&buf, t);
+
+ if (e->vht_chan_info.center_chan_1) {
+ t = blobmsg_open_table(&buf, "vht_operation");
+ blobmsg_add_string(&buf, "channel_width", vht_chan_width[e->vht_chan_info.chan_width]);
+ blobmsg_add_u32(&buf, "center_freq_1", e->vht_chan_info.center_chan_1);
+ blobmsg_add_u32(&buf, "center_freq_2", e->vht_chan_info.center_chan_2);
+ blobmsg_close_table(&buf, t);
+ }
+
rpc_iwinfo_add_encryption("encryption", &e->crypto);
blobmsg_close_table(&buf, d);
--
2.28.0
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