target/ppc: convert vspltis[bhw] to use vector operations
[qemu/ar7.git] / include / net / net.h
blob075cc0126719790864b322067ed65740989386bd
1 #ifndef QEMU_NET_H
2 #define QEMU_NET_H
4 #include "qemu/queue.h"
5 #include "qapi/qapi-types-net.h"
6 #include "net/queue.h"
7 #include "migration/vmstate.h"
9 #define MAC_FMT "%02X:%02X:%02X:%02X:%02X:%02X"
10 #define MAC_ARG(x) ((uint8_t *)(x))[0], ((uint8_t *)(x))[1], \
11 ((uint8_t *)(x))[2], ((uint8_t *)(x))[3], \
12 ((uint8_t *)(x))[4], ((uint8_t *)(x))[5]
14 #define MAX_QUEUE_NUM 1024
16 /* Maximum GSO packet size (64k) plus plenty of room for
17 * the ethernet and virtio_net headers
19 #define NET_BUFSIZE (4096 + 65536)
21 struct MACAddr {
22 uint8_t a[6];
25 /* qdev nic properties */
27 typedef struct NICPeers {
28 NetClientState *ncs[MAX_QUEUE_NUM];
29 int32_t queues;
30 } NICPeers;
32 typedef struct NICConf {
33 MACAddr macaddr;
34 NICPeers peers;
35 int32_t bootindex;
36 } NICConf;
38 #define DEFINE_NIC_PROPERTIES(_state, _conf) \
39 DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \
40 DEFINE_PROP_NETDEV("netdev", _state, _conf.peers)
43 /* Net clients */
45 typedef void (NetPoll)(NetClientState *, bool enable);
46 typedef int (NetCanReceive)(NetClientState *);
47 typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
48 typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
49 typedef void (NetCleanup) (NetClientState *);
50 typedef void (LinkStatusChanged)(NetClientState *);
51 typedef void (NetClientDestructor)(NetClientState *);
52 typedef RxFilterInfo *(QueryRxFilter)(NetClientState *);
53 typedef bool (HasUfo)(NetClientState *);
54 typedef bool (HasVnetHdr)(NetClientState *);
55 typedef bool (HasVnetHdrLen)(NetClientState *, int);
56 typedef void (UsingVnetHdr)(NetClientState *, bool);
57 typedef void (SetOffload)(NetClientState *, int, int, int, int, int);
58 typedef void (SetVnetHdrLen)(NetClientState *, int);
59 typedef int (SetVnetLE)(NetClientState *, bool);
60 typedef int (SetVnetBE)(NetClientState *, bool);
61 typedef struct SocketReadState SocketReadState;
62 typedef void (SocketReadStateFinalize)(SocketReadState *rs);
64 typedef struct NetClientInfo {
65 NetClientDriver type;
66 size_t size;
67 NetReceive *receive;
68 NetReceive *receive_raw;
69 NetReceiveIOV *receive_iov;
70 NetCanReceive *can_receive;
71 NetCleanup *cleanup;
72 LinkStatusChanged *link_status_changed;
73 QueryRxFilter *query_rx_filter;
74 NetPoll *poll;
75 HasUfo *has_ufo;
76 HasVnetHdr *has_vnet_hdr;
77 HasVnetHdrLen *has_vnet_hdr_len;
78 UsingVnetHdr *using_vnet_hdr;
79 SetOffload *set_offload;
80 SetVnetHdrLen *set_vnet_hdr_len;
81 SetVnetLE *set_vnet_le;
82 SetVnetBE *set_vnet_be;
83 } NetClientInfo;
85 struct NetClientState {
86 NetClientInfo *info;
87 int link_down;
88 QTAILQ_ENTRY(NetClientState) next;
89 NetClientState *peer;
90 NetQueue *incoming_queue;
91 char *model;
92 char *name;
93 char info_str[256];
94 unsigned receive_disabled : 1;
95 NetClientDestructor *destructor;
96 unsigned int queue_index;
97 unsigned rxfilter_notify_enabled:1;
98 int vring_enable;
99 int vnet_hdr_len;
100 QTAILQ_HEAD(, NetFilterState) filters;
103 typedef struct NICState {
104 NetClientState *ncs;
105 NICConf *conf;
106 void *opaque;
107 bool peer_deleted;
108 } NICState;
110 struct SocketReadState {
111 /* 0 = getting length, 1 = getting vnet header length, 2 = getting data */
112 int state;
113 /* This flag decide whether to read the vnet_hdr_len field */
114 bool vnet_hdr;
115 uint32_t index;
116 uint32_t packet_len;
117 uint32_t vnet_hdr_len;
118 uint8_t buf[NET_BUFSIZE];
119 SocketReadStateFinalize *finalize;
122 int net_fill_rstate(SocketReadState *rs, const uint8_t *buf, int size);
123 char *qemu_mac_strdup_printf(const uint8_t *macaddr);
124 NetClientState *qemu_find_netdev(const char *id);
125 int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
126 NetClientDriver type, int max);
127 NetClientState *qemu_new_net_client(NetClientInfo *info,
128 NetClientState *peer,
129 const char *model,
130 const char *name);
131 NICState *qemu_new_nic(NetClientInfo *info,
132 NICConf *conf,
133 const char *model,
134 const char *name,
135 void *opaque);
136 void qemu_del_nic(NICState *nic);
137 NetClientState *qemu_get_subqueue(NICState *nic, int queue_index);
138 NetClientState *qemu_get_queue(NICState *nic);
139 NICState *qemu_get_nic(NetClientState *nc);
140 void *qemu_get_nic_opaque(NetClientState *nc);
141 void qemu_del_net_client(NetClientState *nc);
142 typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
143 void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
144 int qemu_can_send_packet(NetClientState *nc);
145 ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov,
146 int iovcnt);
147 ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov,
148 int iovcnt, NetPacketSent *sent_cb);
149 ssize_t qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size);
150 ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size);
151 ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf,
152 int size, NetPacketSent *sent_cb);
153 void qemu_purge_queued_packets(NetClientState *nc);
154 void qemu_flush_queued_packets(NetClientState *nc);
155 void qemu_flush_or_purge_queued_packets(NetClientState *nc, bool purge);
156 void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]);
157 bool qemu_has_ufo(NetClientState *nc);
158 bool qemu_has_vnet_hdr(NetClientState *nc);
159 bool qemu_has_vnet_hdr_len(NetClientState *nc, int len);
160 void qemu_using_vnet_hdr(NetClientState *nc, bool enable);
161 void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
162 int ecn, int ufo);
163 void qemu_set_vnet_hdr_len(NetClientState *nc, int len);
164 int qemu_set_vnet_le(NetClientState *nc, bool is_le);
165 int qemu_set_vnet_be(NetClientState *nc, bool is_be);
166 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
167 int qemu_show_nic_models(const char *arg, const char *const *models);
168 void qemu_check_nic_model(NICInfo *nd, const char *model);
169 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
170 const char *default_model);
172 void print_net_client(Monitor *mon, NetClientState *nc);
173 void hmp_info_network(Monitor *mon, const QDict *qdict);
174 void net_socket_rs_init(SocketReadState *rs,
175 SocketReadStateFinalize *finalize,
176 bool vnet_hdr);
178 /* NIC info */
180 #define MAX_NICS 8
182 struct NICInfo {
183 MACAddr macaddr;
184 char *model;
185 char *name;
186 char *devaddr;
187 NetClientState *netdev;
188 int used; /* is this slot in nd_table[] being used? */
189 int instantiated; /* does this NICInfo correspond to an instantiated NIC? */
190 int nvectors;
193 extern int nb_nics;
194 extern NICInfo nd_table[MAX_NICS];
195 extern const char *host_net_devices[];
197 /* from net.c */
198 int net_client_parse(QemuOptsList *opts_list, const char *str);
199 int net_init_clients(Error **errp);
200 void net_check_clients(void);
201 void net_cleanup(void);
202 void hmp_host_net_add(Monitor *mon, const QDict *qdict);
203 void hmp_host_net_remove(Monitor *mon, const QDict *qdict);
204 void netdev_add(QemuOpts *opts, Error **errp);
205 void qmp_netdev_add(QDict *qdict, QObject **ret, Error **errp);
207 int net_hub_id_for_client(NetClientState *nc, int *id);
208 NetClientState *net_hub_port_find(int hub_id);
210 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
211 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
212 #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper"
213 #define DEFAULT_BRIDGE_INTERFACE "br0"
215 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
217 #define POLYNOMIAL_BE 0x04c11db6
218 #define POLYNOMIAL_LE 0xedb88320
219 uint32_t net_crc32(const uint8_t *p, int len);
220 uint32_t net_crc32_le(const uint8_t *p, int len);
222 #define vmstate_offset_macaddr(_state, _field) \
223 vmstate_offset_array(_state, _field.a, uint8_t, \
224 sizeof(typeof_field(_state, _field)))
226 #define VMSTATE_MACADDR(_field, _state) { \
227 .name = (stringify(_field)), \
228 .size = sizeof(MACAddr), \
229 .info = &vmstate_info_buffer, \
230 .flags = VMS_BUFFER, \
231 .offset = vmstate_offset_macaddr(_state, _field), \
234 #endif