New files fpr 802.11 items.

FossilOrigin-Name: 241c0aa5669c3f3719db4952c513f36a1d687719d689e7bf1687bed7fc0563ae

src/cw/capwap80211_items.c

@@ -0,0 +1,16 @@
+#include "item.h"
+#include "capwap80211_items.h"
+#include "capwap80211_types.h"
+
+
+
+const char CW_ITEM_80211_SUPPORTED_RATES[]="supported_rates";
+
+
+struct cw_itemdef capwap80211_itemdefs[] = {
+
+	{CW_ITEM_80211_SUPPORTED_RATES,CW_ITEM_NONE,CAPWAP80211_TYPE_RATESET},
+
+};
+
+

src/cw/capwap80211_items.h

@@ -0,0 +1,8 @@
+#ifndef __CAPWAP80211_H
+#define __CAPWAP80211_H
+
+extern const char CW_ITEM_80211_SUPPORTED_RATES[];
+
+
+#endif
+

src/cw/capwap80211_type_rateset.c

@@ -0,0 +1,100 @@
+#include <stdio.h>
+
+#include "capwap80211_types.h"
+#include "dot11.h"
+
+
+
+
+
+static int to_str(void *item,char *dst)
+{
+	mbag_item_t *it= item;
+
+	uint8_t *data = (uint8_t*)it->data;
+	int n=*data;
+	data++;
+
+	char *d=dst;
+	char *space="";
+	int i;
+	for (i=0; i<n; i++){
+		int val = data[i];
+
+
+		d+=sprintf(d,"%s",space);
+		if (val & 0x80){
+			d+=sprintf(d,"*");
+		}
+		
+		d+=sprintf(d,"%0.1f",dot11_rate2float(val & 0x7f));
+
+		space=" ";
+
+	}
+
+	return d-dst;	
+}
+
+
+
+static struct mbag_item *  from_str(const char *src)
+{
+	mbag_item_t * item = mbag_item_new(CAPWAP80211_TYPE_RATESET);
+	if (!item)
+		return NULL;
+
+	if (strlen(src)==0)
+		return 0;
+
+	uint8_t rates[64];
+	int nrates =0;
+
+	const char *s = src;
+
+	while (*s!=0){
+		while (*s==' ') 
+			s++;
+		int m=0;
+		if(*s=='*'){
+			m=0x80;
+			s++;
+		}
+		else{
+			m=0;
+		}
+	
+		float val;
+		int n=sscanf(s,"%f",&val);
+		if (n!=1)
+			break;
+		
+		int r = dot11_float2rate(val) | m;
+
+		rates[nrates++]=r;
+
+
+		while (*s!=0 && *s!=' ')
+			s++;
+
+	}
+
+	uint8_t *data = malloc(nrates+1);
+	*data=nrates;
+	memcpy(data+1,rates,nrates);
+
+	item->data=data;
+
+
+	return item;
+}
+
+
+
+
+const struct mbag_typedef capwap80211_type_rateset = {
+	.name = "802.11 Rate Set",
+	.del = free,
+	.from_str = from_str,
+	.to_str = to_str
+};

src/cw/capwap80211_types.h

@@ -0,0 +1,10 @@
+#ifndef __CAPWAP80211_TYPES_H
+#define __CAPWAP80211_TYPES_H
+
+#include "mbag.h"
+
+extern const struct mbag_typedef capwap80211_type_rateset;
+
+#define CAPWAP80211_TYPE_RATESET (&capwap80211_type_rateset)
+
+#endif