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-rw-r--r--firmware/microblaze/apps/txrx.c44
-rw-r--r--firmware/microblaze/include/usrp2_i2c_addr.h1
-rw-r--r--firmware/microblaze/lib/ethernet.c76
-rw-r--r--firmware/microblaze/lib/ethernet.h11
4 files changed, 96 insertions, 36 deletions
diff --git a/firmware/microblaze/apps/txrx.c b/firmware/microblaze/apps/txrx.c
index 18bbdd23d..97376ffbd 100644
--- a/firmware/microblaze/apps/txrx.c
+++ b/firmware/microblaze/apps/txrx.c
@@ -153,9 +153,12 @@ static eth_mac_addr_t get_my_eth_mac_addr(void){
}
static struct ip_addr get_my_ip_addr(void){
- struct ip_addr addr;
- addr.addr = 192 << 24 | 168 << 16 | 10 << 8 | 2 << 0;
- return addr;
+ return *get_ip_addr();
+}
+
+static void print_ip_addr(const void *t){
+ uint8_t *p = (uint8_t *)t;
+ printf("%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
}
void handle_udp_data_packet(
@@ -170,21 +173,13 @@ void handle_udp_data_packet(
printf("Storing for fast path:\n");
printf(" source mac addr: ");
print_mac_addr(fp_mac_addr_src.addr); newline();
- printf(" source ip addr: %d.%d.%d.%d\n",
- ((const unsigned char*)&fp_socket_src.addr.addr)[0],
- ((const unsigned char*)&fp_socket_src.addr.addr)[1],
- ((const unsigned char*)&fp_socket_src.addr.addr)[2],
- ((const unsigned char*)&fp_socket_src.addr.addr)[3]
- );
+ printf(" source ip addr: ");
+ print_ip_addr(&fp_socket_src.addr); newline();
printf(" source udp port: %d\n", fp_socket_src.port);
printf(" destination mac addr: ");
print_mac_addr(fp_mac_addr_dst.addr); newline();
- printf(" destination ip addr: %d.%d.%d.%d\n",
- ((const unsigned char*)&fp_socket_dst.addr.addr)[0],
- ((const unsigned char*)&fp_socket_dst.addr.addr)[1],
- ((const unsigned char*)&fp_socket_dst.addr.addr)[2],
- ((const unsigned char*)&fp_socket_dst.addr.addr)[3]
- );
+ printf(" destination ip addr: ");
+ print_ip_addr(&fp_socket_dst.addr); newline();
printf(" destination udp port: %d\n", fp_socket_dst.port);
newline();
}
@@ -217,14 +212,24 @@ void handle_udp_ctrl_packet(
******************************************************************/
case USRP2_CTRL_ID_GIVE_ME_YOUR_IP_ADDR_BRO:
ctrl_data_out.id = USRP2_CTRL_ID_THIS_IS_MY_IP_ADDR_DUDE;
- struct ip_addr ip_addr = get_my_ip_addr();
- memcpy(&ctrl_data_out.data.ip_addr, &ip_addr, sizeof(ip_addr));
+ memcpy(&ctrl_data_out.data.ip_addr, get_ip_addr(), sizeof(struct ip_addr));
+ break;
+
+ case USRP2_CTRL_ID_HERE_IS_A_NEW_IP_ADDR_BRO:
+ ctrl_data_out.id = USRP2_CTRL_ID_THIS_IS_MY_IP_ADDR_DUDE;
+ set_ip_addr((struct ip_addr *)&ctrl_data_in->data.ip_addr);
+ memcpy(&ctrl_data_out.data.ip_addr, get_ip_addr(), sizeof(struct ip_addr));
break;
case USRP2_CTRL_ID_GIVE_ME_YOUR_MAC_ADDR_BRO:
ctrl_data_out.id = USRP2_CTRL_ID_THIS_IS_MY_MAC_ADDR_DUDE;
- eth_mac_addr_t mac_addr = get_my_eth_mac_addr();
- memcpy(&ctrl_data_out.data.mac_addr, &mac_addr, sizeof(mac_addr));
+ memcpy(&ctrl_data_out.data.mac_addr, ethernet_mac_addr(), sizeof(eth_mac_addr_t));
+ break;
+
+ case USRP2_CTRL_ID_HERE_IS_A_NEW_MAC_ADDR_BRO:
+ ctrl_data_out.id = USRP2_CTRL_ID_THIS_IS_MY_MAC_ADDR_DUDE;
+ ethernet_set_mac_addr((eth_mac_addr_t *)&ctrl_data_in->data.mac_addr);
+ memcpy(&ctrl_data_out.data.mac_addr, ethernet_mac_addr(), sizeof(eth_mac_addr_t));
break;
case USRP2_CTRL_ID_GIVE_ME_YOUR_DBOARD_IDS_BRO:
@@ -720,6 +725,7 @@ main(void)
putstr("\nTxRx-NEWETH\n");
print_mac_addr(ethernet_mac_addr()->addr);
newline();
+ print_ip_addr(get_ip_addr()); newline();
ethernet_register_link_changed_callback(link_changed_callback);
ethernet_init();
diff --git a/firmware/microblaze/include/usrp2_i2c_addr.h b/firmware/microblaze/include/usrp2_i2c_addr.h
index 4111cdd55..46f5a7556 100644
--- a/firmware/microblaze/include/usrp2_i2c_addr.h
+++ b/firmware/microblaze/include/usrp2_i2c_addr.h
@@ -41,6 +41,7 @@
#define MBOARD_REV_LSB 0x00
#define MBOARD_REV_MSB 0x01
#define MBOARD_MAC_ADDR 0x02
+#define MBOARD_IP_ADDR 0x0C
// format of daughterboard EEPROM
diff --git a/firmware/microblaze/lib/ethernet.c b/firmware/microblaze/lib/ethernet.c
index 5402a6c9f..757a36ce4 100644
--- a/firmware/microblaze/lib/ethernet.c
+++ b/firmware/microblaze/lib/ethernet.c
@@ -271,58 +271,100 @@ ethernet_init(void)
}
static bool
-unprogrammed(const eth_mac_addr_t *t)
+unprogrammed(const void *t, size_t len)
{
int i;
+ uint8_t *p = (uint8_t *)t;
bool all_zeros = true;
bool all_ones = true;
- for (i = 0; i < 6; i++){
- all_zeros &= t->addr[i] == 0x00;
- all_ones &= t->addr[i] == 0xff;
+ for (i = 0; i < len; i++){
+ all_zeros &= p[i] == 0x00;
+ all_ones &= p[i] == 0xff;
}
return all_ones | all_zeros;
}
-static int8_t src_addr_initialized = false;
-static eth_mac_addr_t src_addr = {{
+//////////////////// MAC Addr Stuff ///////////////////////
+
+static int8_t src_mac_addr_initialized = false;
+static eth_mac_addr_t src_mac_addr = {{
0x00, 0x50, 0xC2, 0x85, 0x3f, 0xff
}};
const eth_mac_addr_t *
ethernet_mac_addr(void)
{
- if (!src_addr_initialized){ // fetch from eeprom
- src_addr_initialized = true;
+ if (!src_mac_addr_initialized){ // fetch from eeprom
+ src_mac_addr_initialized = true;
// if we're simulating, don't read the EEPROM model, it's REALLY slow
- if (hwconfig_simulation_p())
- return &src_addr;
+ if (hwconfig_simulation_p())
+ return &src_mac_addr;
eth_mac_addr_t tmp;
- bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, &tmp.addr[0], 6);
- if (!ok || unprogrammed(&tmp)){
+ bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, &tmp, sizeof(tmp));
+ if (!ok || unprogrammed(&tmp, sizeof(tmp))){
// use the default
}
else
- src_addr = tmp;
+ src_mac_addr = tmp;
}
- return &src_addr;
+ return &src_mac_addr;
}
bool
ethernet_set_mac_addr(const eth_mac_addr_t *t)
{
- bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, &t->addr[0], 6);
+ bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, &t, sizeof(eth_mac_addr_t));
if (ok){
- src_addr = *t;
- src_addr_initialized = true;
+ src_mac_addr = *t;
+ src_mac_addr_initialized = true;
eth_mac_set_addr(t);
}
return ok;
}
+//////////////////// IP Addr Stuff ///////////////////////
+
+static int8_t src_ip_addr_initialized = false;
+static struct ip_addr src_ip_addr = {
+ (192 << 24 | 168 << 16 | 10 << 8 | 2 << 0)
+};
+
+
+const struct ip_addr *get_ip_addr(void)
+{
+ if (!src_ip_addr_initialized){ // fetch from eeprom
+ src_ip_addr_initialized = true;
+
+ // if we're simulating, don't read the EEPROM model, it's REALLY slow
+ if (hwconfig_simulation_p())
+ return &src_ip_addr;
+
+ struct ip_addr tmp;
+ bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_IP_ADDR, &tmp, sizeof(tmp));
+ if (!ok || unprogrammed(&tmp, sizeof(tmp))){
+ // use the default
+ }
+ else
+ src_ip_addr = tmp;
+ }
+
+ return &src_ip_addr;
+}
+
+bool set_ip_addr(const struct ip_addr *t){
+ bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_IP_ADDR, &t, sizeof(struct ip_addr));
+ if (ok){
+ src_ip_addr = *t;
+ src_ip_addr_initialized = true;
+ }
+
+ return ok;
+}
+
int
ethernet_check_errors(void)
{
diff --git a/firmware/microblaze/lib/ethernet.h b/firmware/microblaze/lib/ethernet.h
index 70b7077c6..8c6d8b567 100644
--- a/firmware/microblaze/lib/ethernet.h
+++ b/firmware/microblaze/lib/ethernet.h
@@ -20,6 +20,7 @@
#define INCLUDED_ETHERNET_H
#include <net/eth_mac_addr.h>
+#include <lwip/ip_addr.h>
#include <stdbool.h>
typedef void (*ethernet_link_changed_callback_t)(int speed);
@@ -48,6 +49,16 @@ const eth_mac_addr_t *ethernet_mac_addr(void);
*/
bool ethernet_set_mac_addr(const eth_mac_addr_t *t);
+/*!
+ * \returns IP address
+ */
+const struct ip_addr *get_ip_addr(void);
+
+/*!
+ * \brief write ip address to eeprom and begin using it
+ */
+bool set_ip_addr(const struct ip_addr *t);
+
/*
* \brief read RMON regs and return error mask
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 15:21:15 +0000