DHCP option 224 to 254 are for private use, so use one.
Export it via env dhcp_oftree_file.
E.g. the ISC dhcp server can be configured with
| option oftree-path code 224 = string
| class "at91sam9x5ek" {
| match if substring (option vendor-class-identifier,0,20) = "barebox-at91sam9x5ek";
|
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage";
| option tftp-server-name "192.168.200.98";
| option root-path "192.168.200.98:/opt/work/buildroot/build/sam9x5/target";
| option oftree-path "/tftpboot/atmel/at91sam9x5/sam9x5ek/sam9g25ek/dtb";
| }
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
net/dhcp.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/net/dhcp.c b/net/dhcp.c
index ad32b53..0116ba4 100644
--- a/net/dhcp.c
+++ b/net/dhcp.c
@@ -201,6 +201,10 @@ struct dhcp_opt dhcp_options[] = {
.option = 67,
.handle = bootfile_vendorex_handle,
.barebox_var_name = "bootfile",
+ }, {
+ .option = 224,
+ .handle = env_str_handle,
+ .barebox_var_name = "dhcp_oftree_file",
},
};
@@ -702,3 +706,4 @@ BAREBOX_MAGICVAR(dhcp_client_uuid, "cliend uuid to send to the DHCP server");
BAREBOX_MAGICVAR(dhcp_client_id, "cliend id to send to the DHCP server");
BAREBOX_MAGICVAR(dhcp_user_class, "user class to send to the DHCP server");
BAREBOX_MAGICVAR(dhcp_tftp_server_name, "TFTP server Name returned from DHCP request");
+BAREBOX_MAGICVAR(dhcp_oftree_file, "OF tree returned from DHCP request (option 224)");
--
1.7.9.1
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