913ba15120b4dfa58fb90e859161ccf976015321
This patch is used to update ifconfig -r implementation to sync with UEFI Shell 2.2. option -r means to reconfigure all or specified interface, and set DHCP policy. If specified interface is already set to DHCP, then refresh the IPv4 configuration. If the interface name is specified with '-r', DHCP DORA process will be triggered by the policy transition (static -> dhcp). Cc: Ye Ting <ting.ye@intel.com> Cc: Fu Siyuan <siyuan.fu@intel.com> Cc: Carsey Jaben <jaben.carsey@intel.com> Cc: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com> Cc: Subramanian Sriram <sriram-s@hpe.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Sriram Subramanian <sriram-s@hpe.com> Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
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