[ECOS] build_bootp_record() support dns server address

[Jonathan Larmour]

Motoya Kurotsu wrote:
> Hi, all;
> 
> I would like to hear your advice about my idea regarding 
> init_all_network_interfaces().
> 
> When ip address is staticaly set (i.e. CYGHWR_NET_DRIVER_ETHX_BOOTP is 
> undefined), init_net() doesn't call cyg_dns_res_init(). So I think it is 
> better to modify build_bootp_record() to have the dns server address 
> like in the following:
> 
>     build_bootp_record(struct bootp *bp,
> 		       const char *if_name,
> 		       const char *addrs_ip,
> 		       const char *addrs_netmask,
> 		       const char *addrs_broadcast,
> 		       const char *addrs_gateway,
> 		       const char *addrs_server,
> 		       const char *addrs_dns_server);	<---
> 
> Also the dns server address might be added in cdl script like other addresses.
> The attachment is my patch for network_support.c for reference.

Looks pretty reasonable to me. All that remains is to add the CDL option 
for CYGHWR_NET_DRIVER_ETH1_ADDRS_DNS_SERVER, write a ChangeLog entry and 
submit it to <ecos-patches@sources.redhat.com> and I'll commit it for you.

Jifl
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