Re: [Qemu-devel] [PATCH 09/16] convert net_init_nic() to NetClientOptions

[Paolo Bonzini <pbonzini@redhat.com>]

Il 22/05/2012 12:45, Laszlo Ersek ha scritto:
> Signed-off-by: Laszlo Ersek <lersek@redhat.com>
> ---
>  net.c |   39 ++++++++++++++++++++++-----------------
>  1 files changed, 22 insertions(+), 17 deletions(-)
> 
> diff --git a/net.c b/net.c
> index 5ac5cf0..bd2fd23 100644
> --- a/net.c
> +++ b/net.c
> @@ -748,12 +748,15 @@ int net_handle_fd_param(Monitor *mon, const char *param)
>      return fd;
>  }
>  
> -static int net_init_nic(QemuOpts *opts, const NetClientOptions *new_opts,
> +static int net_init_nic(QemuOpts *old_opts, const NetClientOptions *opts,
>                          const char *name, VLANState *vlan)
>  {
>      int idx;
>      NICInfo *nd;
> -    const char *netdev;
> +    const NetLegacyNicOptions *nic;
> +
> +    assert(opts->kind == NET_CLIENT_OPTIONS_KIND_NIC);
> +    nic = opts->nic;
>  
>      idx = nic_get_free_idx();
>      if (idx == -1 || nb_nics >= MAX_NICS) {
> @@ -765,10 +768,10 @@ static int net_init_nic(QemuOpts *opts, const NetClientOptions *new_opts,
>  
>      memset(nd, 0, sizeof(*nd));
>  
> -    if ((netdev = qemu_opt_get(opts, "netdev"))) {
> -        nd->netdev = qemu_find_netdev(netdev);
> +    if (nic->has_netdev) {
> +        nd->netdev = qemu_find_netdev(nic->netdev);
>          if (!nd->netdev) {
> -            error_report("netdev '%s' not found", netdev);
> +            error_report("netdev '%s' not found", nic->netdev);
>              return -1;
>          }
>      } else {
> @@ -778,26 +781,28 @@ static int net_init_nic(QemuOpts *opts, const NetClientOptions *new_opts,
>      if (name) {
>          nd->name = g_strdup(name);
>      }
> -    if (qemu_opt_get(opts, "model")) {
> -        nd->model = g_strdup(qemu_opt_get(opts, "model"));
> +    if (nic->has_model) {
> +        nd->model = g_strdup(nic->model);
>      }
> -    if (qemu_opt_get(opts, "addr")) {
> -        nd->devaddr = g_strdup(qemu_opt_get(opts, "addr"));
> +    if (nic->has_addr) {
> +        nd->devaddr = g_strdup(nic->addr);
>      }
>  
> -    if (qemu_opt_get(opts, "macaddr") &&
> -        net_parse_macaddr(nd->macaddr.a, qemu_opt_get(opts, "macaddr")) < 0) {
> +    if (nic->has_macaddr &&
> +        net_parse_macaddr(nd->macaddr.a, nic->macaddr) < 0) {
>          error_report("invalid syntax for ethernet address");
>          return -1;
>      }
>      qemu_macaddr_default_if_unset(&nd->macaddr);
>  
> -    nd->nvectors = qemu_opt_get_number(opts, "vectors",
> -                                       DEV_NVECTORS_UNSPECIFIED);
> -    if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
> -        (nd->nvectors < 0 || nd->nvectors > 0x7ffffff)) {
> -        error_report("invalid # of vectors: %d", nd->nvectors);
> -        return -1;
> +    if (nic->has_vectors) {
> +        if (nic->vectors > 0x7ffffff) {

Why drop the < 0 test?

Paolo

> +            error_report("invalid # of vectors: %"PRId64, nic->vectors);
> +            return -1;
> +        }
> +        nd->nvectors = nic->vectors;
> +    } else {
> +        nd->nvectors = DEV_NVECTORS_UNSPECIFIED;
>      }
>  
>      nd->used = 1;