[eap] Add progress debug messages

Add debug messages for each EAP Request and Response, and to show the
list of methods offered when sending a Nak.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/net/eap.c b/src/net/eap.c
index 79b060aa6bdc32ab4631e1c7149e1cc14e353973..696b7fe991336297f0a3ecc0f9082b664e8d6852 100644 (file)
--- a/src/net/eap.c
+++ b/src/net/eap.c
@@ -65,6 +65,8 @@ static int eap_tx_response ( struct eap_supplicant *supplicant,
        msg->hdr.len = htons ( len );
        msg->type = supplicant->type;
        memcpy ( msg->data, rsp, rsp_len );
+       DBGC ( netdev, "EAP %s Response id %#02x type %d\n",
+              netdev->name, msg->hdr.id, msg->type );
 
        /* Transmit response */
        if ( ( rc = supplicant->tx ( supplicant, msg, len ) ) != 0 ) {
@@ -86,18 +88,24 @@ static int eap_tx_response ( struct eap_supplicant *supplicant,
  * @ret rc             Return status code
  */
 static int eap_tx_nak ( struct eap_supplicant *supplicant ) {
+       struct net_device *netdev = supplicant->netdev;
        unsigned int max = table_num_entries ( EAP_METHODS );
        uint8_t methods[ max + 1 /* potential EAP_TYPE_NONE */ ];
        unsigned int count = 0;
        struct eap_method *method;
 
        /* Populate methods list */
+       DBGC ( netdev, "EAP %s Nak offering types {", netdev->name );
        for_each_table_entry ( method, EAP_METHODS ) {
-               if ( method->type > EAP_TYPE_NAK )
+               if ( method->type > EAP_TYPE_NAK ) {
+                       DBGC ( netdev, "%s%d",
+                              ( count ? ", " : "" ), method->type );
                        methods[count++] = method->type;
+               }
        }
        if ( ! count )
                methods[count++] = EAP_TYPE_NONE;
+       DBGC ( netdev, "}\n" );
        assert ( count <= max );
 
        /* Transmit response */
@@ -269,6 +277,8 @@ static int eap_rx_request ( struct eap_supplicant *supplicant,
        /* Record request details */
        supplicant->id = msg->hdr.id;
        supplicant->type = msg->type;
+       DBGC ( netdev, "EAP %s Request id %#02x type %d\n",
+              netdev->name, msg->hdr.id, msg->type );
 
        /* Handle according to type */
        for_each_table_entry ( method, EAP_METHODS ) {