/*
- *
* Lan Emulation client header file
*
- * Marko Kiiskila mkiiskila@yahoo.com
- *
+ * Marko Kiiskila <mkiiskila@yahoo.com>
*/
#ifndef _LEC_H_
#define _LEC_H_
-#include <linux/config.h>
#include <linux/atmdev.h>
#include <linux/netdevice.h>
#include <linux/atmlec.h>
#define LEC_HEADER_LEN 16
struct lecdatahdr_8023 {
- unsigned short le_header;
- unsigned char h_dest[ETH_ALEN];
- unsigned char h_source[ETH_ALEN];
- unsigned short h_type;
+ __be16 le_header;
+ unsigned char h_dest[ETH_ALEN];
+ unsigned char h_source[ETH_ALEN];
+ __be16 h_type;
};
struct lecdatahdr_8025 {
- unsigned short le_header;
- unsigned char ac_pad;
- unsigned char fc;
- unsigned char h_dest[ETH_ALEN];
- unsigned char h_source[ETH_ALEN];
+ __be16 le_header;
+ unsigned char ac_pad;
+ unsigned char fc;
+ unsigned char h_dest[ETH_ALEN];
+ unsigned char h_source[ETH_ALEN];
};
#define LEC_MINIMUM_8023_SIZE 62
*
*/
struct lane2_ops {
- int (*resolve)(struct net_device *dev, u8 *dst_mac, int force,
- u8 **tlvs, u32 *sizeoftlvs);
- int (*associate_req)(struct net_device *dev, u8 *lan_dst,
- u8 *tlvs, u32 sizeoftlvs);
- void (*associate_indicator)(struct net_device *dev, u8 *mac_addr,
- u8 *tlvs, u32 sizeoftlvs);
+ int (*resolve) (struct net_device *dev, u8 *dst_mac, int force,
+ u8 **tlvs, u32 *sizeoftlvs);
+ int (*associate_req) (struct net_device *dev, u8 *lan_dst,
+ u8 *tlvs, u32 sizeoftlvs);
+ void (*associate_indicator) (struct net_device *dev, u8 *mac_addr,
+ u8 *tlvs, u32 sizeoftlvs);
};
/*
* ATM LAN Emulation supports both LLC & Dix Ethernet EtherType
* frames.
+ *
* 1. Dix Ethernet EtherType frames encoded by placing EtherType
* field in h_type field. Data follows immediatelly after header.
* 2. LLC Data frames whose total length, including LLC field and data,
#define LEC_ARP_TABLE_SIZE 16
struct lec_priv {
- struct net_device_stats stats;
- unsigned short lecid; /* Lecid of this client */
- struct lec_arp_table *lec_arp_empty_ones;
- /* Used for storing VCC's that don't have a MAC address attached yet */
- struct lec_arp_table *lec_arp_tables[LEC_ARP_TABLE_SIZE];
- /* Actual LE ARP table */
- struct lec_arp_table *lec_no_forward;
- /* Used for storing VCC's (and forward packets from) which are to
- age out by not using them to forward packets.
- This is because to some LE clients there will be 2 VCCs. Only
- one of them gets used. */
- struct lec_arp_table *mcast_fwds;
- /* With LANEv2 it is possible that BUS (or a special multicast server)
- establishes multiple Multicast Forward VCCs to us. This list
- collects all those VCCs. LANEv1 client has only one item in this
- list. These entries are not aged out. */
- spinlock_t lec_arp_lock;
- struct atm_vcc *mcast_vcc; /* Default Multicast Send VCC */
- struct atm_vcc *lecd;
- struct timer_list lec_arp_timer;
- /* C10 */
- unsigned int maximum_unknown_frame_count;
-/* Within the period of time defined by this variable, the client will send
- no more than C10 frames to BUS for a given unicast destination. (C11) */
- unsigned long max_unknown_frame_time;
-/* If no traffic has been sent in this vcc for this period of time,
- vcc will be torn down (C12)*/
- unsigned long vcc_timeout_period;
-/* An LE Client MUST not retry an LE_ARP_REQUEST for a
- given frame's LAN Destination more than maximum retry count times,
- after the first LEC_ARP_REQUEST (C13)*/
- unsigned short max_retry_count;
-/* Max time the client will maintain an entry in its arp cache in
- absence of a verification of that relationship (C17)*/
- unsigned long aging_time;
-/* Max time the client will maintain an entry in cache when
- topology change flag is true (C18) */
- unsigned long forward_delay_time;
-/* Topology change flag (C19)*/
- int topology_change;
-/* Max time the client expects an LE_ARP_REQUEST/LE_ARP_RESPONSE
- cycle to take (C20)*/
- unsigned long arp_response_time;
-/* Time limit ot wait to receive an LE_FLUSH_RESPONSE after the
- LE_FLUSH_REQUEST has been sent before taking recover action. (C21)*/
- unsigned long flush_timeout;
-/* The time since sending a frame to the bus after which the
- LE Client may assume that the frame has been either discarded or
- delivered to the recipient (C22) */
- unsigned long path_switching_delay;
+ struct net_device_stats stats;
+ unsigned short lecid; /* Lecid of this client */
+ struct hlist_head lec_arp_empty_ones;
+ /* Used for storing VCC's that don't have a MAC address attached yet */
+ struct hlist_head lec_arp_tables[LEC_ARP_TABLE_SIZE];
+ /* Actual LE ARP table */
+ struct hlist_head lec_no_forward;
+ /*
+ * Used for storing VCC's (and forward packets from) which are to
+ * age out by not using them to forward packets.
+ * This is because to some LE clients there will be 2 VCCs. Only
+ * one of them gets used.
+ */
+ struct hlist_head mcast_fwds;
+ /*
+ * With LANEv2 it is possible that BUS (or a special multicast server)
+ * establishes multiple Multicast Forward VCCs to us. This list
+ * collects all those VCCs. LANEv1 client has only one item in this
+ * list. These entries are not aged out.
+ */
+ spinlock_t lec_arp_lock;
+ struct atm_vcc *mcast_vcc; /* Default Multicast Send VCC */
+ struct atm_vcc *lecd;
+ struct delayed_work lec_arp_work; /* C10 */
+ unsigned int maximum_unknown_frame_count;
+ /*
+ * Within the period of time defined by this variable, the client will send
+ * no more than C10 frames to BUS for a given unicast destination. (C11)
+ */
+ unsigned long max_unknown_frame_time;
+ /*
+ * If no traffic has been sent in this vcc for this period of time,
+ * vcc will be torn down (C12)
+ */
+ unsigned long vcc_timeout_period;
+ /*
+ * An LE Client MUST not retry an LE_ARP_REQUEST for a
+ * given frame's LAN Destination more than maximum retry count times,
+ * after the first LEC_ARP_REQUEST (C13)
+ */
+ unsigned short max_retry_count;
+ /*
+ * Max time the client will maintain an entry in its arp cache in
+ * absence of a verification of that relationship (C17)
+ */
+ unsigned long aging_time;
+ /*
+ * Max time the client will maintain an entry in cache when
+ * topology change flag is true (C18)
+ */
+ unsigned long forward_delay_time; /* Topology change flag (C19) */
+ int topology_change;
+ /*
+ * Max time the client expects an LE_ARP_REQUEST/LE_ARP_RESPONSE
+ * cycle to take (C20)
+ */
+ unsigned long arp_response_time;
+ /*
+ * Time limit ot wait to receive an LE_FLUSH_RESPONSE after the
+ * LE_FLUSH_REQUEST has been sent before taking recover action. (C21)
+ */
+ unsigned long flush_timeout;
+ /* The time since sending a frame to the bus after which the
+ * LE Client may assume that the frame has been either discarded or
+ * delivered to the recipient (C22)
+ */
+ unsigned long path_switching_delay;
- u8 *tlvs; /* LANE2: TLVs are new */
- u32 sizeoftlvs; /* The size of the tlv array in bytes */
- int lane_version; /* LANE2 */
- int itfnum; /* e.g. 2 for lec2, 5 for lec5 */
- struct lane2_ops *lane2_ops; /* can be NULL for LANE v1 */
- int is_proxy; /* bridge between ATM and Ethernet */
- int is_trdev; /* Device type, 0 = Ethernet, 1 = TokenRing */
+ u8 *tlvs; /* LANE2: TLVs are new */
+ u32 sizeoftlvs; /* The size of the tlv array in bytes */
+ int lane_version; /* LANE2 */
+ int itfnum; /* e.g. 2 for lec2, 5 for lec5 */
+ struct lane2_ops *lane2_ops; /* can be NULL for LANE v1 */
+ int is_proxy; /* bridge between ATM and Ethernet */
+ int is_trdev; /* Device type, 0 = Ethernet, 1 = TokenRing */
};
struct lec_vcc_priv {
- void (*old_pop)(struct atm_vcc *vcc, struct sk_buff *skb);
+ void (*old_pop) (struct atm_vcc *vcc, struct sk_buff *skb);
int xoff;
};
#define LEC_VCC_PRIV(vcc) ((struct lec_vcc_priv *)((vcc)->user_back))
-#endif /* _LEC_H_ */
-
+#endif /* _LEC_H_ */
git://git.onelab.eu / linux-2.6.git / blobdiff