This flag is to make console aware that NET transfer is running or not.

Signed-off-by: Jim Lin jilin@nvidia.com --- Changes in v2: 1. Change configuration name from CONFIG_CTRLC_POLL_MS to CONFIG_CTRLC_POLL_S. 2. New code will be executed only when CONFIG_CTRLC_POLL_S is defined in configuration header file. 3. Add description in README.console. Changes in v3: 1. Move changes to common/usb_kbd.c and doc/README.usb 2. Rename config setting to CONFIG_USBKB_TESTC_PERIOD. 3. Remove slow response on USB-keyboard input when TFTP boot is not running. Changes in v4: 1. Remove changes in doc/README.usb, common/usb_kbd.c and CONFIG_USBKB_TESTC_PERIOD 2. Modify net/net.c Changes in v5: 1. Change variable name to ctrlc_t_start. 2. Use two calls of get_timer(0) to get time gap. Changes in v6: 1. In common/usb_kbd.c, check net_busy_flag to determine whether we poll USB keyboard status. 2. In include/usb.h, add external variable declaration net_busy_flag Changes in v7: 1. Add CONFIG_USB_KEYBOARD Changes in v8: 1. net/net.c, add __maybe_unused for variable net_busy_flag.

net/net.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/net/net.c b/net/net.c index df94789..65daaa0 100644 --- a/net/net.c +++ b/net/net.c @@ -207,6 +207,8 @@ static int net_check_prereq(enum proto_t protocol);

static int NetTryCount;

+int __maybe_unused net_busy_flag; + /**********************************************************************/

static int on_bootfile(const char *name, const char *value, enum env_op op, @@ -341,6 +343,9 @@ int NetLoop(enum proto_t protocol) eth_init_state_only(bd);

restart: +#ifdef CONFIG_USB_KEYBOARD + net_busy_flag = 0; +#endif net_set_state(NETLOOP_CONTINUE);

/* @@ -453,6 +458,9 @@ restart: status_led_set(STATUS_LED_RED, STATUS_LED_ON); #endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */ #endif /* CONFIG_MII, ... */ +#ifdef CONFIG_USB_KEYBOARD + net_busy_flag = 1; +#endif

/* * Main packet reception loop. Loop receiving packets until @@ -558,6 +566,9 @@ restart: }

done: +#ifdef CONFIG_USB_KEYBOARD + net_busy_flag = 0; +#endif #ifdef CONFIG_CMD_TFTPPUT /* Clear out the handlers */ net_set_udp_handler(NULL);