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Revision 35cbef9863640f06107144687bd13151bc2e8ce3 authored by Justin Chen on 17 July 2019, 21:58:53 UTC, committed by David S. Miller on 18 July 2019, 18:45:57 UTC 
net: bcmgenet: use promisc for unsupported filters
 
Currently we silently ignore filters if we cannot meet the filter
requirements. This will lead to the MAC dropping packets that are
expected to pass. A better solution would be to set the NIC to promisc
mode when the required filters cannot be met.

Also correct the number of MDF filters supported. It should be 17,
not 16.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 49d05fe
Raw File
br_private_stp.h 
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *	Linux ethernet bridge
 *
 *	Authors:
 *	Lennert Buytenhek		<buytenh@gnu.org>
 */

#ifndef _BR_PRIVATE_STP_H
#define _BR_PRIVATE_STP_H

#define BPDU_TYPE_CONFIG 0
#define BPDU_TYPE_TCN 0x80

/* IEEE 802.1D-1998 timer values */
#define BR_MIN_HELLO_TIME	(1*HZ)
#define BR_MAX_HELLO_TIME	(10*HZ)

#define BR_MIN_FORWARD_DELAY	(2*HZ)
#define BR_MAX_FORWARD_DELAY	(30*HZ)

#define BR_MIN_MAX_AGE		(6*HZ)
#define BR_MAX_MAX_AGE		(40*HZ)

#define BR_MIN_PATH_COST	1
#define BR_MAX_PATH_COST	65535

struct br_config_bpdu {
	unsigned int	topology_change:1;
	unsigned int	topology_change_ack:1;
	bridge_id	root;
	int		root_path_cost;
	bridge_id	bridge_id;
	port_id		port_id;
	int		message_age;
	int		max_age;
	int		hello_time;
	int		forward_delay;
};

/* called under bridge lock */
static inline int br_is_designated_port(const struct net_bridge_port *p)
{
	return !memcmp(&p->designated_bridge, &p->br->bridge_id, 8) &&
		(p->designated_port == p->port_id);
}


/* br_stp.c */
void br_become_root_bridge(struct net_bridge *br);
void br_config_bpdu_generation(struct net_bridge *);
void br_configuration_update(struct net_bridge *);
void br_port_state_selection(struct net_bridge *);
void br_received_config_bpdu(struct net_bridge_port *p,
			     const struct br_config_bpdu *bpdu);
void br_received_tcn_bpdu(struct net_bridge_port *p);
void br_transmit_config(struct net_bridge_port *p);
void br_transmit_tcn(struct net_bridge *br);
void br_topology_change_detection(struct net_bridge *br);
void __br_set_topology_change(struct net_bridge *br, unsigned char val);

/* br_stp_bpdu.c */
void br_send_config_bpdu(struct net_bridge_port *, struct br_config_bpdu *);
void br_send_tcn_bpdu(struct net_bridge_port *);

#endif
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