Re: [Qemu-devel] [PATCH] net/net: Add ReadState for reuse codes

[Li Zhijian <lizhijian@cn.fujitsu.com>]

On 05/06/2016 06:56 PM, Zhang Chen wrote:
> Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
> ---
>   include/net/net.h   |  8 ++++++
>   net/filter-mirror.c | 60 ++++++++------------------------------------
>   net/net.c           | 56 ++++++++++++++++++++++++++++++++++++++++++
>   net/socket.c        | 71 +++++++++++++----------------------------------------
>   4 files changed, 91 insertions(+), 104 deletions(-)
>
> diff --git a/include/net/net.h b/include/net/net.h
> index 73e4c46..1439cf9 100644
> --- a/include/net/net.h
> +++ b/include/net/net.h
> @@ -102,6 +102,14 @@ typedef struct NICState {
>       bool peer_deleted;
>   } NICState;
>
> +typedef struct ReadState {
> +    int state; /* 0 = getting length, 1 = getting data */
> +    uint32_t index;
> +    uint32_t packet_len;
> +    uint8_t buf[NET_BUFSIZE];
> +} ReadState;
> +
> +int net_fill_rstate(ReadState *rs, const uint8_t *buf, int size);
>   char *qemu_mac_strdup_printf(const uint8_t *macaddr);
>   NetClientState *qemu_find_netdev(const char *id);
>   int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
> diff --git a/net/filter-mirror.c b/net/filter-mirror.c
> index c0c4dc6..bcec509 100644
> --- a/net/filter-mirror.c
> +++ b/net/filter-mirror.c
> @@ -40,10 +40,7 @@ typedef struct MirrorState {
>       char *outdev;
>       CharDriverState *chr_in;
>       CharDriverState *chr_out;
> -    int state; /* 0 = getting length, 1 = getting data */
> -    unsigned int index;
> -    unsigned int packet_len;
> -    uint8_t buf[REDIRECTOR_MAX_LEN];
you may need to remove 'REDIRECTOR_MAX_LEN' defination too.

Thanks
Li Zhijian