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48c643630c
This can be shared between the e1000, virtio-net, and xennet. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4971 c046a42c-6fe2-441c-8c8c-71466251a162
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
#ifndef QEMU_NET_H
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#define QEMU_NET_H
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/* VLANs support */
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typedef struct VLANClientState VLANClientState;
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struct VLANClientState {
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IOReadHandler *fd_read;
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/* Packets may still be sent if this returns zero. It's used to
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rate-limit the slirp code. */
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IOCanRWHandler *fd_can_read;
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void *opaque;
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struct VLANClientState *next;
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struct VLANState *vlan;
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char info_str[256];
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};
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struct VLANState {
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int id;
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VLANClientState *first_client;
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struct VLANState *next;
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unsigned int nb_guest_devs, nb_host_devs;
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};
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VLANState *qemu_find_vlan(int id);
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VLANClientState *qemu_new_vlan_client(VLANState *vlan,
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IOReadHandler *fd_read,
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IOCanRWHandler *fd_can_read,
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void *opaque);
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void qemu_del_vlan_client(VLANClientState *vc);
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int qemu_can_send_packet(VLANClientState *vc);
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void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
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void qemu_handler_true(void *opaque);
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void do_info_network(void);
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/* NIC info */
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#define MAX_NICS 8
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struct NICInfo {
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uint8_t macaddr[6];
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const char *model;
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VLANState *vlan;
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};
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extern int nb_nics;
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extern NICInfo nd_table[MAX_NICS];
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/* checksumming functions (net-checksum.c) */
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uint32_t net_checksum_add(int len, uint8_t *buf);
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uint16_t net_checksum_finish(uint32_t sum);
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uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
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uint8_t *addrs, uint8_t *buf);
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void net_checksum_calculate(uint8_t *data, int length);
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#endif
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