iCE40/yosys - clone of https://github.com/YosysHQ/yosys

	Commit message (Expand)	Author	Age	Files	Lines
*	Fixing issues in CycloneV cell sim	Diego	2019-04-11	1	-3/+9
*	Fix typographical and grammatical errors and inconsistencies.	whitequark	2019-01-02	1	-1/+1
*	Clean whitespace and permissions in techlibs/intel	Larry Doolittle	2017-10-05	1	-10/+10
*	Adding Cyclone IV (E, GX), Arria 10, Cyclone V and LPM functions (ALTPLL and ...	dh73	2017-10-01	1	-0/+144

/****************************************************************************** * network.h * * ring data structures for buffering messages between hypervisor and * guestos's. As it stands this is only used for network buffer exchange. * * This file also contains structures and interfaces for the per-domain * routing/filtering tables in the hypervisor. * */ #ifndef __RING_H__ #define __RING_H__ #include <linux/types.h> typedef struct tx_entry_st { unsigned long addr; /* virtual address */ unsigned long size; /* in bytes */ } tx_entry_t; typedef struct rx_entry_st { unsigned long addr; /* virtual address */ unsigned long size; /* in bytes */ } rx_entry_t; #define TX_RING_SIZE 1024 #define RX_RING_SIZE 1024 typedef struct net_ring_st { /* * Guest OS places packets into ring at tx_prod. * Hypervisor removes at tx_cons. * Ring is empty when tx_prod == tx_cons. * Guest OS receives a DOMAIN_EVENT_NET_TX when tx_cons passes tx_event. * Hypervisor may be prodded whenever tx_prod is updated, but this is * only necessary when tx_cons == old_tx_prod (ie. transmitter stalled). */ tx_entry_t *tx_ring; unsigned int tx_prod, tx_cons, tx_event; unsigned int tx_ring_size; /* * Guest OS places empty buffers into ring at rx_prod. * Hypervisor fills buffers as rx_cons. * Ring is empty when rx_prod == rx_cons. * Guest OS receives a DOMAIN_EVENT_NET_RX when rx_cons passes rx_event. * Hypervisor may be prodded whenever rx_prod is updated, but this is * only necessary when rx_cons == old_rx_prod (ie. receiver stalled). */ rx_entry_t *rx_ring; unsigned int rx_prod, rx_cons, rx_event; unsigned int rx_ring_size; } net_ring_t; /* Specify base of per-domain array. Get returned free slot in the array. */ //net_ring_t *create_net_vif(int domain); /* Packet routing/filtering code follows: */ #define NETWORK_ACTION_ACCEPT 0 #define NETWORK_ACTION_COUNT 1 #define NETWORK_PROTO_ANY 0 #define NETWORK_PROTO_IP 1 #define NETWORK_PROTO_TCP 2 #define NETWORK_PROTO_UDP 3 #define NETWORK_PROTO_ARP 4 typedef struct net_rule_st { u32 src_addr; u32 dst_addr; u16 src_port; u16 dst_port; u32 src_addr_mask; u32 dst_addr_mask; u16 src_port_mask; u16 dst_port_mask; u16 proto; int src_interface; int dst_interface; u16 action; } net_rule_t; /* Network trap operations and associated structure. * This presently just handles rule insertion and deletion, but will * evenually have code to add and remove interfaces. */ #define NETWORK_OP_ADDRULE 0 #define NETWORK_OP_DELETERULE 1 #define NETWORK_OP_GETRULELIST 2 typedef struct network_op_st { unsigned long cmd; union { net_rule_t net_rule; } u; } network_op_t; typedef struct net_rule_ent_st { net_rule_t r; struct net_rule_ent_st *next; } net_rule_ent_t; /* Drop a new rule down to the network tables. */ int add_net_rule(net_rule_t *rule); #endif