+// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * IS-IS Rout(e)ing protocol - isis_constants.h
+ * IS-IS Rout(e)ing protocol - isis_constants.h
*
* Copyright (C) 2001,2002 Sampo Saaristo
- * Tampere University of Technology
+ * Tampere University of Technology
* Institute of Communications Engineering
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public Licenseas published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ISIS_CONSTANTS_H
#define MAX_MIN_LSP_GEN_INTERVAL 120 /* RFC 4444 says 65535 */
#define DEFAULT_MIN_LSP_GEN_INTERVAL 30
-#define MIN_LSP_TRANS_INTERVAL 5
+#define MIN_LSP_RETRANS_INTERVAL 5 /* Seconds */
+
+#define TRIGGERED_IIH_DELAY 50 /* msec */
#define MIN_CSNP_INTERVAL 1
#define MAX_CSNP_INTERVAL 600
* LSP bit masks
*/
#define LSPBIT_P 0x80
-#define LSPBIT_ATT 0x78
+#define LSPBIT_ATT 0x08 /* only use the Default ATT bit */
#define LSPBIT_OL 0x04
#define LSPBIT_IST 0x03
#define ISIS_MASK_LSP_ATT_ERROR_BIT(x) ((x)&0x40)
#define ISIS_MASK_LSP_ATT_EXPENSE_BIT(x) ((x)&0x20)
#define ISIS_MASK_LSP_ATT_DELAY_BIT(x) ((x)&0x10)
-#define ISIS_MASK_LSP_ATT_DEFAULT_BIT(x) ((x)&0x8)
#define LLC_LEN 3
/* we need to be aware of the fact we are using ISO sized
* packets, using isomtu = mtu - LLC_LEN
*/
-#define ISO_MTU(C) \
- ((if_is_broadcast ((C)->interface)) ? \
- (C->interface->mtu - LLC_LEN) : (C->interface->mtu))
-
-#ifndef ETH_ALEN
-#define ETH_ALEN 6
-#endif
+#define ISO_MTU(C) \
+ ((if_is_broadcast((C)->interface)) ? (C->interface->mtu - LLC_LEN) \
+ : (C->interface->mtu))
#define MAX_LLC_LEN 0x5ff
#define ETHERTYPE_EXT_LLC 0x8870
static inline uint16_t isis_ethertype(size_t len)
{
- if (len > MAX_LLC_LEN)
- return ETHERTYPE_EXT_LLC;
- return len;
+ if (len > MAX_LLC_LEN)
+ return ETHERTYPE_EXT_LLC;
+ return len;
}
#endif /* ISIS_CONSTANTS_H */