diff options
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/microblaze/apps/txrx_uhd.c | 10 | ||||
| -rw-r--r-- | firmware/microblaze/lib/Makefile.inc | 1 | ||||
| -rw-r--r-- | firmware/microblaze/lib/eth_addrs.c | 119 | ||||
| -rw-r--r-- | firmware/microblaze/lib/net_common.c | 16 | ||||
| -rw-r--r-- | firmware/microblaze/lib/net_common.h | 2 | ||||
| -rw-r--r-- | firmware/microblaze/usrp2/Makefile.am | 3 | ||||
| -rw-r--r-- | firmware/microblaze/usrp2/ethernet.c | 99 |
7 files changed, 147 insertions, 103 deletions
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c index dd43059a3..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, diff --git a/firmware/microblaze/lib/Makefile.inc b/firmware/microblaze/lib/Makefile.inc index a576d1ccb..2b5685d3f 100644 --- a/firmware/microblaze/lib/Makefile.inc +++ b/firmware/microblaze/lib/Makefile.inc @@ -26,6 +26,7 @@ COMMON_SRCS = \ $(top_srcdir)/lib/clocks.c \ $(top_srcdir)/lib/dbsm.c \ $(top_srcdir)/lib/eeprom.c \ + $(top_srcdir)/lib/eth_addrs.c \ $(top_srcdir)/lib/eth_mac.c \ $(top_srcdir)/lib/_exit.c \ $(top_srcdir)/lib/exit.c \ diff --git a/firmware/microblaze/lib/eth_addrs.c b/firmware/microblaze/lib/eth_addrs.c new file mode 100644 index 000000000..d7c1e0394 --- /dev/null +++ b/firmware/microblaze/lib/eth_addrs.c @@ -0,0 +1,119 @@ +/* + * Copyright 2010 Ettus Research LLC + * Copyright 2007 Free Software Foundation, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "ethernet.h" +#include "memory_map.h" +#include "nonstdio.h" +#include <stdbool.h> +#include "i2c.h" +#include "usrp2/fw_common.h" + +static bool +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 < len; i++){ + all_zeros &= p[i] == 0x00; + all_ones &= p[i] == 0xff; + } + return all_ones | all_zeros; +} + +//////////////////// 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_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_mac_addr; + + eth_mac_addr_t tmp; + bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, &tmp, sizeof(tmp)); + if (!ok || unprogrammed(&tmp, sizeof(tmp))){ + // use the default + } + else + src_mac_addr = tmp; + } + + return &src_mac_addr; +} + +bool +ethernet_set_mac_addr(const eth_mac_addr_t *t) +{ + bool ok = eeprom_write(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, t, sizeof(eth_mac_addr_t)); + if (ok){ + src_mac_addr = *t; + src_mac_addr_initialized = true; + //eth_mac_set_addr(t); //this breaks the link + } + + 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(USRP2_I2C_ADDR_MBOARD, USRP2_EE_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(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, t, sizeof(struct ip_addr)); + if (ok){ + src_ip_addr = *t; + src_ip_addr_initialized = true; + } + + return ok; +} diff --git a/firmware/microblaze/lib/net_common.c b/firmware/microblaze/lib/net_common.c index 6c9509c92..beaaa5948 100644 --- a/firmware/microblaze/lib/net_common.c +++ b/firmware/microblaze/lib/net_common.c @@ -351,6 +351,22 @@ send_arp_reply(struct arp_eth_ipv4 *req, eth_mac_addr_t our_mac) send_pkt(t, ETHERTYPE_ARP, &reply, sizeof(reply), 0, 0, 0, 0); } +void send_gratuitous_arp(void){ + struct arp_eth_ipv4 req _AL4; + req.ar_hrd = ARPHRD_ETHER; + req.ar_pro = ETHERTYPE_IPV4; + req.ar_hln = sizeof(eth_mac_addr_t); + req.ar_pln = sizeof(struct ip_addr); + req.ar_op = ARPOP_REQUEST; + memcpy(req.ar_sha, ethernet_mac_addr(), sizeof(eth_mac_addr_t)); + memcpy(req.ar_sip, get_ip_addr(), sizeof(struct ip_addr)); + memset(req.ar_tha, 0x00, sizeof(eth_mac_addr_t)); + memcpy(req.ar_tip, get_ip_addr(), sizeof(struct ip_addr)); + + //send the request with a broadcast ethernet mac address + eth_mac_addr_t t; memset(&t, 0xff, sizeof(t)); + send_pkt(t, ETHERTYPE_ARP, &req, sizeof(req), 0, 0, 0, 0); +} static void handle_arp_packet(struct arp_eth_ipv4 *p, size_t size) diff --git a/firmware/microblaze/lib/net_common.h b/firmware/microblaze/lib/net_common.h index 112669b46..3040e5ef3 100644 --- a/firmware/microblaze/lib/net_common.h +++ b/firmware/microblaze/lib/net_common.h @@ -47,4 +47,6 @@ void send_udp_pkt(int src_port, struct socket_address dst, void handle_eth_packet(uint32_t *p, size_t nlines); +void send_gratuitous_arp(void); + #endif /* INCLUDED_NET_COMMON_H */ diff --git a/firmware/microblaze/usrp2/Makefile.am b/firmware/microblaze/usrp2/Makefile.am index 8da013980..ba426b75c 100644 --- a/firmware/microblaze/usrp2/Makefile.am +++ b/firmware/microblaze/usrp2/Makefile.am @@ -22,10 +22,11 @@ AM_CFLAGS = \ AM_LDFLAGS = \ $(COMMON_LFLAGS) \ - libusrp2.a \ -Wl,-defsym -Wl,_TEXT_START_ADDR=0x0050 \ -Wl,-defsym -Wl,_STACK_SIZE=3072 +LDADD = libusrp2.a + ######################################################################## # USRP2 specific library and programs ######################################################################## diff --git a/firmware/microblaze/usrp2/ethernet.c b/firmware/microblaze/usrp2/ethernet.c index d60d7dc4c..5d4654bda 100644 --- a/firmware/microblaze/usrp2/ethernet.c +++ b/firmware/microblaze/usrp2/ethernet.c @@ -16,16 +16,12 @@ */ #include "ethernet.h" -#include "memory_map.h" #include "eth_phy.h" #include "eth_mac.h" #include "eth_mac_regs.h" #include "pic.h" #include "hal_io.h" #include "nonstdio.h" -#include <stdbool.h> -#include "i2c.h" -#include "usrp2/fw_common.h" #define VERBOSE 1 @@ -269,101 +265,6 @@ ethernet_init(void) eth_mac_miim_write(PHY_CTRL, t | MII_CR_RESTART_AUTO_NEG); } -static bool -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 < len; i++){ - all_zeros &= p[i] == 0x00; - all_ones &= p[i] == 0xff; - } - return all_ones | all_zeros; -} - -//////////////////// 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_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_mac_addr; - - eth_mac_addr_t tmp; - bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, &tmp, sizeof(tmp)); - if (!ok || unprogrammed(&tmp, sizeof(tmp))){ - // use the default - } - else - src_mac_addr = tmp; - } - - return &src_mac_addr; -} - -bool -ethernet_set_mac_addr(const eth_mac_addr_t *t) -{ - bool ok = eeprom_write(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, t, sizeof(eth_mac_addr_t)); - if (ok){ - src_mac_addr = *t; - src_mac_addr_initialized = true; - //eth_mac_set_addr(t); //this breaks the link - } - - 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(USRP2_I2C_ADDR_MBOARD, USRP2_EE_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(USRP2_I2C_ADDR_MBOARD, USRP2_EE_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) { |