Update the ping command so that a host name is accepted in addition to
an IP address, provided DNS support is enabled.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Move each command in cmd/net-lwip.c into its own file
(cmd/lwip/${cmd}.c).
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Prepare to split the ping command from cmd/net-lwip.c by moving the
implementation from net/lwip/dns.c to cmd/lwip.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
