[PATCH 1/1] net: add support to parse the NIS domain for the dhcp options

There is code in the bootp parsing for NIS domain and add the same support for the dhcp options as well. This allows the same usage of the data when the dhcp command is used in the boot command.
Signed-off-by: Charles Hardin ckhardin@gmail.com --- net/bootp.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/net/bootp.c b/net/bootp.c index 6800290963..046caf3685 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -883,6 +883,14 @@ static void dhcp_process_options(uchar *popt, uchar *end) break; case 28: /* Ignore Broadcast Address Option */ break; + case 40: /* NIS Domain name */ + if (net_nis_domain[0] == 0) { + size = truncate_sz("NIS Domain Name", + sizeof(net_nis_domain), size); + memcpy(&net_nis_domain, ext + 2, size); + net_nis_domain[size] = 0; + } + break; #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) case 42: /* NTP server IP */ net_copy_ip(&net_ntp_server, (popt + 2));

On Mon, Apr 01, 2024 at 12:13:19PM -0700, Charles Hardin wrote:
There is code in the bootp parsing for NIS domain and add the same support for the dhcp options as well. This allows the same usage of the data when the dhcp command is used in the boot command.
Signed-off-by: Charles Hardin ckhardin@gmail.com
net/bootp.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/net/bootp.c b/net/bootp.c index 6800290963..046caf3685 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -883,6 +883,14 @@ static void dhcp_process_options(uchar *popt, uchar *end) break; case 28: /* Ignore Broadcast Address Option */ break;
case 40: /* NIS Domain name */
if (net_nis_domain[0] == 0) {
size = truncate_sz("NIS Domain Name",
sizeof(net_nis_domain), size);
memcpy(&net_nis_domain, ext + 2, size);
net_nis_domain[size] = 0;
}
break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) case 42: /* NTP server IP */ net_copy_ip(&net_ntp_server, (popt + 2));
This fails to build: net/bootp.c: In function 'dhcp_process_options': net/bootp.c:890:57: error: 'ext' undeclared (first use in this function) 890 | memcpy(&net_nis_domain, ext + 2, size); | ^~~ net/bootp.c:890:57: note: each undeclared identifier is reported only once for each function it appears in

There is code in the bootp parsing for NIS domain and add the same support for the dhcp options as well. This allows the same usage of the data when the dhcp command is used in the boot command.
Signed-off-by: Charles Hardin ckhardin@gmail.com --- net/bootp.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/net/bootp.c b/net/bootp.c index 6800290963..c15472f5d3 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -883,6 +883,14 @@ static void dhcp_process_options(uchar *popt, uchar *end) break; case 28: /* Ignore Broadcast Address Option */ break; + case 40: /* NIS Domain name */ + if (net_nis_domain[0] == 0) { + size = truncate_sz("NIS Domain Name", + sizeof(net_nis_domain), size); + memcpy(&net_nis_domain, popt + 2, size); + net_nis_domain[size] = 0; + } + break; #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) case 42: /* NTP server IP */ net_copy_ip(&net_ntp_server, (popt + 2));

On Fri, 12 Apr 2024 13:45:33 -0700, Charles Hardin wrote:
There is code in the bootp parsing for NIS domain and add the same support for the dhcp options as well. This allows the same usage of the data when the dhcp command is used in the boot command.
Applied to u-boot/master, thanks!

On Mon, 01 Apr 2024 12:13:19 -0700, Charles Hardin wrote:
There is code in the bootp parsing for NIS domain and add the same support for the dhcp options as well. This allows the same usage of the data when the dhcp command is used in the boot command.
Applied to u-boot/master, thanks!
participants (2)
-
Charles Hardin
-
Tom Rini