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net/net.c: Add vnet_hdr support in SocketReadState

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We add a flag to decide whether net_fill_rstate() need read
the vnet_hdr_len or not.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Suggested-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Zhang Chen 2017-07-04 14:53:46 +08:00 • committed by Jason Wang
parent d6b732e953
commit 3cde5ea211
5 changed files with 46 additions and 13 deletions
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9
include/net/net.h
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@ -112,9 +112,13 @@ typedef struct NICState {
} NICState;
struct SocketReadState {
int state; /* 0 = getting length, 1 = getting data */
/* 0 = getting length, 1 = getting vnet header length, 2 = getting data */
int state;
/* This flag decide whether to read the vnet_hdr_len field */
bool vnet_hdr;
uint32_t index;
uint32_t packet_len;
uint32_t vnet_hdr_len;
uint8_t buf[NET_BUFSIZE];
SocketReadStateFinalize *finalize;
};
@ -177,7 +181,8 @@ ssize_t qemu_deliver_packet_iov(NetClientState *sender,
void print_net_client(Monitor *mon, NetClientState *nc);
void hmp_info_network(Monitor *mon, const QDict *qdict);
void net_socket_rs_init(SocketReadState *rs,
SocketReadStateFinalize *finalize);
SocketReadStateFinalize *finalize,
bool vnet_hdr);
/* NIC info */