[LLC] remove unsupported flowcontrol prim bits

include/net/llc_if.h

@@ -20,7 +20,7 @@
 #define LLC_DATA_PRIM		2
 #define LLC_DISC_PRIM		3
 #define LLC_RESET_PRIM		4
-#define LLC_FLOWCONTROL_PRIM	5
+#define LLC_FLOWCONTROL_PRIM	5 /* Not supported at this time */
 #define LLC_DISABLE_PRIM	6
 #define LLC_XID_PRIM		7
 #define LLC_TEST_PRIM		8
@@ -71,12 +71,6 @@ struct llc_prim_reset {
 	u8	     reason;		/* used only by indicate */
 };
 
-struct llc_prim_flow_ctrl {
-	struct sock *sk;
-	u16	     link;
-	u32	     amount;
-};
-
  /* Sending data in conection-less mode */
 struct llc_prim_unit_data {
 	struct llc_addr	saddr;
@@ -102,7 +96,6 @@ struct llc_prim_test {
 
 union llc_u_prim_data {
 	struct llc_prim_reset	  res;
-	struct llc_prim_flow_ctrl fc;
 	struct llc_prim_unit_data udata;	/* unit data */
 	struct llc_prim_xid	  xid;
 	struct llc_prim_test	  test;

net/llc/llc_if.c

@@ -33,7 +33,6 @@ static int llc_unitdata_req_handler(struct llc_prim_if_block *prim);
 static int llc_test_req_handler(struct llc_prim_if_block *prim);
 static int llc_xid_req_handler(struct llc_prim_if_block *prim);
 static int llc_rst_req_handler(struct llc_prim_if_block *prim);
-static int llc_flowcontrol_req_handler(struct llc_prim_if_block *prim);
 
 /* table of request handler functions */
 static llc_prim_call_t llc_req_prim[LLC_NBR_PRIMITIVES] = {
@@ -42,7 +41,7 @@ static llc_prim_call_t llc_req_prim[LLC_NBR_PRIMITIVES] = {
 	[LLC_DATA_PRIM]		= NULL, /* replaced by llc_build_and_send_pkt */
 	[LLC_DISC_PRIM]		= NULL, /* replaced by llc_send_disc */
 	[LLC_RESET_PRIM]	= llc_rst_req_handler,
-	[LLC_FLOWCONTROL_PRIM]	= llc_flowcontrol_req_handler,
+	[LLC_FLOWCONTROL_PRIM]	= NULL, /* Not supported at this time */
 	[LLC_XID_PRIM]		= llc_xid_req_handler,
 	[LLC_TEST_PRIM]		= llc_test_req_handler,
 };
@@ -372,13 +371,5 @@ static int llc_rst_req_handler(struct llc_prim_if_block *prim)
 	return rc;
 }
 
-/* We don't support flow control. The original code from procom has
- * some bits, but for now I'm cleaning this
- */
-static int llc_flowcontrol_req_handler(struct llc_prim_if_block *prim)
-{
-	return 1;
-}
-
 EXPORT_SYMBOL(llc_sap_open);
 EXPORT_SYMBOL(llc_sap_close);

net/llc/llc_sock.c

@@ -1348,7 +1348,6 @@ static int llc_ui_indicate(struct llc_prim_if_block *prim)
 				"is gone for ->ind()...\n", __FUNCTION__);
 			break;
 		case LLC_RESET_PRIM:
-		case LLC_FLOWCONTROL_PRIM:
 		default:				break;
 	}
 	return 0;