doc: environment: NET_LWIP dhcp sets ipaddrN, netmaskN and gatewayipN

Document environment variables set by the dhcp command when the network
stack is lwIP.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
This commit is contained in:
Jerome Forissier
2024-12-03 14:50:51 +01:00
committed by Heinrich Schuchardt
parent c7360f17fb
commit d8b0020dde

View File

@@ -499,12 +499,12 @@ Automatically updated variables
------------------------------- -------------------------------
The following environment variables may be used and automatically The following environment variables may be used and automatically
updated by the network boot commands ("bootp" and "rarpboot"), updated by the network boot commands ("bootp", "dhcp" and "rarpboot"),
depending the information provided by your boot server: depending the information provided by your boot server:
========= =================================================== ========== ===================================================================
Variable Notes Variable Notes
========= =================================================== ========== ===================================================================
bootfile see above bootfile see above
dnsip IP address of your Domain Name Server dnsip IP address of your Domain Name Server
dnsip2 IP address of your secondary Domain Name Server dnsip2 IP address of your secondary Domain Name Server
@@ -514,7 +514,10 @@ ipaddr See above
netmask Subnet Mask netmask Subnet Mask
rootpath Pathname of the root filesystem on the NFS server rootpath Pathname of the root filesystem on the NFS server
serverip see above serverip see above
========= =================================================== ipaddrN IP address for interface N (>0) (NET_LWIP dhcp only)
netmaskN Subnet mask for interface N (>0) (NET_LWIP dhcp only)
gatewayipN IP address of the Gateway for interface N (>0) (NET_LWIP dhcp only)
========== ===================================================================
Special environment variables Special environment variables