net: lib: shell: Print vendor value as hex blob

Along with key-value pairs, print only the value as hex blob for easier
parsing to a C struct.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

subsys/net/lib/shell/stats.c

@@ -110,16 +110,33 @@ static void print_eth_stats(struct net_if *iface, struct net_stats_eth *data,
 
 #if defined(CONFIG_NET_STATISTICS_ETHERNET_VENDOR)
 	if (data->vendor) {
-		PR("Vendor specific statistics for Ethernet "
-		   "interface %p [%d]:\n",
-			iface, net_if_get_by_iface(iface));
 		size_t i = 0;
 
+		PR("Vendor specific statistics for Ethernet interface %p [%d]:\n",
+		   iface, net_if_get_by_iface(iface));
+
+		PR("Key-Value Pairs:\n");
 		do {
-			PR("%s : %u\n", data->vendor[i].key,
-			   data->vendor[i].value);
+			PR("%s : %u\n", data->vendor[i].key, data->vendor[i].value);
 			i++;
 		} while (data->vendor[i].key);
+
+		/*
+		 * Print vendor stats as a contiguous hex blob, little-endian, no delimiters.
+		 * This format is suitable for direct typecasting to a C struct for offline parsing.
+		 * Each value is output as 4 bytes, least significant byte first.
+		 */
+		PR("Vendor stats hex blob: ");
+		for (i = 0; data->vendor[i].key; i++) {
+			uint32_t v = data->vendor[i].value;
+
+			PR("%02x%02x%02x%02x",
+			   (uint8_t)(v & 0xFF),
+			   (uint8_t)((v >> 8) & 0xFF),
+			   (uint8_t)((v >> 16) & 0xFF),
+			   (uint8_t)((v >> 24) & 0xFF));
+		}
+		PR("\n");
 	}
 #endif /* CONFIG_NET_STATISTICS_ETHERNET_VENDOR */
 }