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Diffstat (limited to 'firmware/microblaze/apps/txrx_uhd.c')
-rw-r--r--firmware/microblaze/apps/txrx_uhd.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c
index 1dd6e80ac..b7837f207 100644
--- a/firmware/microblaze/apps/txrx_uhd.c
+++ b/firmware/microblaze/apps/txrx_uhd.c
@@ -422,6 +422,7 @@ link_changed_callback(int speed)
link_is_up = speed != 0;
hal_set_leds(link_is_up ? LED_RJ45 : 0x0, LED_RJ45);
printf("\neth link changed: speed = %d\n", speed);
+ if (link_is_up) send_gratuitous_arp();
}
static void setup_network(void){
@@ -479,15 +480,18 @@ main(void)
printf("FPGA compatibility number: %d\n", USRP2_FPGA_COMPAT_NUM);
printf("Firmware compatibility number: %d\n", USRP2_FW_COMPAT_NUM);
- ethernet_register_link_changed_callback(link_changed_callback);
- ethernet_init();
-
+ //1) register the addresses into the network stack
register_mac_addr(ethernet_mac_addr());
register_ip_addr(get_ip_addr());
+ //2) register callbacks for udp ports we service
register_udp_listener(USRP2_UDP_CTRL_PORT, handle_udp_ctrl_packet);
register_udp_listener(USRP2_UDP_DATA_PORT, handle_udp_data_packet);
+ //3) setup ethernet hardware to bring the link up
+ ethernet_register_link_changed_callback(link_changed_callback);
+ ethernet_init();
+
// initialize double buffering state machine for ethernet -> DSP Tx
dbsm_init(&dsp_tx_sm, DSP_TX_BUF_0,
@@ -536,7 +540,7 @@ main(void)
}
if (pending & PIC_OVERRUN_INT){
- dbsm_handle_rx_overrun(&dsp_rx_sm);
+ //dbsm_handle_rx_overrun(&dsp_rx_sm);
pic_regs->pending = PIC_OVERRUN_INT; // clear pending interrupt
// FIXME Figure out how to handle this robustly.