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-rw-r--r--usrp2/firmware/apps/app_common_v2.c3
-rw-r--r--usrp2/firmware/apps/app_passthru_v2.c1
-rw-r--r--usrp2/firmware/apps/factory_test.c1
-rw-r--r--usrp2/firmware/apps/gen_eth_packets.c14
-rw-r--r--usrp2/firmware/apps/gen_pause_frames.c4
-rw-r--r--usrp2/firmware/apps/mimo_app_common_v2.c1
-rw-r--r--usrp2/firmware/apps/mimo_tx.c1
-rw-r--r--usrp2/firmware/apps/mimo_tx_slave.c1
-rw-r--r--usrp2/firmware/apps/rcv_eth_packets.c2
-rw-r--r--usrp2/firmware/apps/serdes_txrx.c1
-rw-r--r--usrp2/firmware/apps/tx_standalone.c1
-rw-r--r--usrp2/firmware/apps/txrx.c4
-rw-r--r--usrp2/firmware/lib/.gitignore1
-rw-r--r--usrp2/firmware/lib/dbsm.c3
-rw-r--r--usrp2/firmware/lib/eth_mac.c55
-rw-r--r--usrp2/firmware/lib/eth_mac_regs.h82
-rw-r--r--usrp2/firmware/lib/ethernet.c24
17 files changed, 89 insertions, 110 deletions
diff --git a/usrp2/firmware/apps/app_common_v2.c b/usrp2/firmware/apps/app_common_v2.c
index 6d9606d45..67cccd53b 100644
--- a/usrp2/firmware/apps/app_common_v2.c
+++ b/usrp2/firmware/apps/app_common_v2.c
@@ -70,6 +70,7 @@ void
set_reply_hdr(u2_eth_packet_t *reply_pkt, u2_eth_packet_t const *cmd_pkt)
{
reply_pkt->ehdr.dst = cmd_pkt->ehdr.src;
+ reply_pkt->ehdr.src = *ethernet_mac_addr();
reply_pkt->ehdr.ethertype = U2_ETHERTYPE;
reply_pkt->thdr.flags = 0;
reply_pkt->thdr.fifo_status = 0; // written by protocol engine
@@ -599,7 +600,7 @@ bool
eth_pkt_inspector(dbsm_t *sm, int bufno)
{
u2_eth_packet_t *pkt = (u2_eth_packet_t *) buffer_ram(bufno);
- size_t byte_len = (buffer_pool_status->last_line[bufno] - 3) * 4;
+ size_t byte_len = (buffer_pool_status->last_line[bufno] - 1) * 4;
//static size_t last_len = 0;
diff --git a/usrp2/firmware/apps/app_passthru_v2.c b/usrp2/firmware/apps/app_passthru_v2.c
index 660bcd774..406c56b3b 100644
--- a/usrp2/firmware/apps/app_passthru_v2.c
+++ b/usrp2/firmware/apps/app_passthru_v2.c
@@ -42,6 +42,7 @@ void
set_reply_hdr(u2_eth_packet_t *reply_pkt, u2_eth_packet_t const *cmd_pkt)
{
reply_pkt->ehdr.dst = cmd_pkt->ehdr.src;
+ reply_pkt->ehdr.src = *ethernet_mac_addr();
reply_pkt->ehdr.ethertype = U2_ETHERTYPE;
reply_pkt->thdr.flags = 0;
reply_pkt->thdr.fifo_status = 0; // written by protocol engine
diff --git a/usrp2/firmware/apps/factory_test.c b/usrp2/firmware/apps/factory_test.c
index b4b44dbdb..a4bc06d58 100644
--- a/usrp2/firmware/apps/factory_test.c
+++ b/usrp2/firmware/apps/factory_test.c
@@ -170,6 +170,7 @@ start_rx_streaming_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p)
u2_eth_packet_t pkt;
memset(&pkt, 0, sizeof(pkt));
pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
u2p_set_word0(&pkt.fixed, 0, 0);
// DSP RX will fill in timestamp
diff --git a/usrp2/firmware/apps/gen_eth_packets.c b/usrp2/firmware/apps/gen_eth_packets.c
index ce1e8160b..5cda5bb8e 100644
--- a/usrp2/firmware/apps/gen_eth_packets.c
+++ b/usrp2/firmware/apps/gen_eth_packets.c
@@ -104,8 +104,7 @@ init_packets(void)
memset(&pkt, 0, sizeof(pkt));
pkt.ehdr.dst = dst_mac_addr;
- // src address filled in by mac
-
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
pkt.fixed.word0 = 0x01234567;
pkt.fixed.timestamp = 0xffffffff;
@@ -141,10 +140,12 @@ main(void)
ethernet_register_link_changed_callback(link_changed_callback);
ethernet_init();
+ /*
if (hwconfig_simulation_p()){
eth_mac->speed = 4; // hardcode mac speed to 1000
link_is_up = true;
}
+ */
// fire off a receive from the ethernet
bp_receive_to_buf(CPU_RX_BUF, PORT_ETH, 1, 0, BP_LAST_LINE);
@@ -159,10 +160,15 @@ main(void)
}
if (status & (BPS_DONE(CPU_TX_BUF) | BPS_ERROR(CPU_TX_BUF))){
+ if (status & BPS_ERROR(CPU_TX_BUF)){
+ putchar('E');
+ }
bp_clear_buf(CPU_TX_BUF);
npackets_sent++;
- if ((npackets_sent & 0xF) == 0) // print after every 16 packets
- print_rmon_regs();
+ if ((npackets_sent & 0xF) == 0){ // print after every 16 packets
+ //print_rmon_regs();
+ putchar('.');
+ }
}
if (link_is_up && send_packet_now && (status & BPS_IDLE(CPU_TX_BUF))){
diff --git a/usrp2/firmware/apps/gen_pause_frames.c b/usrp2/firmware/apps/gen_pause_frames.c
index 4eaebcc4a..8f2b2df03 100644
--- a/usrp2/firmware/apps/gen_pause_frames.c
+++ b/usrp2/firmware/apps/gen_pause_frames.c
@@ -132,9 +132,9 @@ init_packets(void)
u2_eth_packet_t pkt __attribute__((aligned (4)));
for (i = 0; i < 6; i++){
- pkt.ehdr.dst_addr[i] = dst_mac_addr[i];
- pkt.ehdr.src_addr[i] = 0; // filled in by mac
+ pkt.ehdr.dst.addr[i] = dst_mac_addr[i];
}
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
// fill ALL buffers for debugging
diff --git a/usrp2/firmware/apps/mimo_app_common_v2.c b/usrp2/firmware/apps/mimo_app_common_v2.c
index e5ab55fac..5dbecb0d0 100644
--- a/usrp2/firmware/apps/mimo_app_common_v2.c
+++ b/usrp2/firmware/apps/mimo_app_common_v2.c
@@ -67,6 +67,7 @@ void
set_reply_hdr(u2_eth_packet_t *reply_pkt, u2_eth_packet_t const *cmd_pkt)
{
reply_pkt->ehdr.dst = cmd_pkt->ehdr.src;
+ reply_pkt->ehdr.src = *ethernet_mac_addr();
reply_pkt->ehdr.ethertype = U2_ETHERTYPE;
reply_pkt->thdr.flags = 0;
reply_pkt->thdr.fifo_status = 0; // written by protocol engine
diff --git a/usrp2/firmware/apps/mimo_tx.c b/usrp2/firmware/apps/mimo_tx.c
index 730433bf4..7fc7b486f 100644
--- a/usrp2/firmware/apps/mimo_tx.c
+++ b/usrp2/firmware/apps/mimo_tx.c
@@ -179,6 +179,7 @@ start_rx_streaming_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p)
u2_eth_packet_t pkt;
memset(&pkt, 0, sizeof(pkt));
pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
u2p_set_word0(&pkt.fixed, 0, 0);
// DSP RX will fill in timestamp
diff --git a/usrp2/firmware/apps/mimo_tx_slave.c b/usrp2/firmware/apps/mimo_tx_slave.c
index df7ddf9c4..e7da984c5 100644
--- a/usrp2/firmware/apps/mimo_tx_slave.c
+++ b/usrp2/firmware/apps/mimo_tx_slave.c
@@ -176,6 +176,7 @@ start_rx_streaming_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p)
u2_eth_packet_t pkt;
memset(&pkt, 0, sizeof(pkt));
pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
u2p_set_word0(&pkt.fixed, 0, 0);
// DSP RX will fill in timestamp
diff --git a/usrp2/firmware/apps/rcv_eth_packets.c b/usrp2/firmware/apps/rcv_eth_packets.c
index 92e41d92b..ec772ca75 100644
--- a/usrp2/firmware/apps/rcv_eth_packets.c
+++ b/usrp2/firmware/apps/rcv_eth_packets.c
@@ -135,7 +135,7 @@ init_packets(void)
u2_eth_packet_t pkt __attribute__((aligned (4)));
pkt.ehdr.dst = dst_mac_addr;
- // src filled in by mac
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
// fill ALL buffers for debugging
diff --git a/usrp2/firmware/apps/serdes_txrx.c b/usrp2/firmware/apps/serdes_txrx.c
index 1becc205e..7816f7a65 100644
--- a/usrp2/firmware/apps/serdes_txrx.c
+++ b/usrp2/firmware/apps/serdes_txrx.c
@@ -168,6 +168,7 @@ start_rx_streaming_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p)
u2_eth_packet_t pkt;
memset(&pkt, 0, sizeof(pkt));
pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
u2p_set_word0(&pkt.fixed, 0, 0);
// DSP RX will fill in timestamp
diff --git a/usrp2/firmware/apps/tx_standalone.c b/usrp2/firmware/apps/tx_standalone.c
index 25ba8fd40..6350a6956 100644
--- a/usrp2/firmware/apps/tx_standalone.c
+++ b/usrp2/firmware/apps/tx_standalone.c
@@ -195,6 +195,7 @@ start_tx_transfers(void)
u2_eth_packet_t pkt;
memset(&pkt, 0, sizeof(pkt));
//pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
u2p_set_word0(&pkt.fixed,
U2P_TX_IMMEDIATE | U2P_TX_START_OF_BURST, 0);
diff --git a/usrp2/firmware/apps/txrx.c b/usrp2/firmware/apps/txrx.c
index 730ee66c5..b2487ed89 100644
--- a/usrp2/firmware/apps/txrx.c
+++ b/usrp2/firmware/apps/txrx.c
@@ -168,6 +168,7 @@ start_rx_streaming_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p)
u2_eth_packet_t pkt;
memset(&pkt, 0, sizeof(pkt));
pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
pkt.ehdr.ethertype = U2_ETHERTYPE;
u2p_set_word0(&pkt.fixed, 0, 0);
// DSP RX will fill in timestamp
@@ -257,14 +258,13 @@ main(void)
{
u2_init();
- putstr("\nTxRx\n");
+ putstr("\nTxRx-NEWETH\n");
print_mac_addr(ethernet_mac_addr()->addr);
newline();
ethernet_register_link_changed_callback(link_changed_callback);
ethernet_init();
-
#if 0
// make bit 15 of Tx gpio's be a s/w output
hal_gpio_set_sel(GPIO_TX_BANK, 15, 's');
diff --git a/usrp2/firmware/lib/.gitignore b/usrp2/firmware/lib/.gitignore
index f1cc2bf73..5d838bf6c 100644
--- a/usrp2/firmware/lib/.gitignore
+++ b/usrp2/firmware/lib/.gitignore
@@ -1,3 +1,4 @@
+*~
/*-stamp
/*.a
/*.bin
diff --git a/usrp2/firmware/lib/dbsm.c b/usrp2/firmware/lib/dbsm.c
index 8f774d916..96484d577 100644
--- a/usrp2/firmware/lib/dbsm.c
+++ b/usrp2/firmware/lib/dbsm.c
@@ -62,7 +62,8 @@ dbsm_init(dbsm_t *sm, int buf0,
// How much to adjust the last_line register.
// It's 1 for everything but the ethernet.
- sm->last_line_adj = recv->port == PORT_ETH ? 3 : 1;
+ //sm->last_line_adj = recv->port == PORT_ETH ? 3 : 1;
+ sm->last_line_adj = 1;
buffer_state[sm->buf0] = BS_EMPTY;
buffer_state[sm->buf0 ^ 1] = BS_EMPTY;
diff --git a/usrp2/firmware/lib/eth_mac.c b/usrp2/firmware/lib/eth_mac.c
index 5fadaf40b..88051dca0 100644
--- a/usrp2/firmware/lib/eth_mac.c
+++ b/usrp2/firmware/lib/eth_mac.c
@@ -21,38 +21,21 @@
#include "bool.h"
#include "eth_phy.h" // for simulation constants
#include "mdelay.h"
-
+#include "stdio.h"
#define PHY_ADDR 1
void
eth_mac_set_addr(const u2_mac_addr_t *src)
{
- int i;
-
- // tell mac our source address and enable automatic insertion on Tx.
- eth_mac->mac_tx_add_prom_wr = 0; // just in case
- for (i = 0; i < 6; i++){
- eth_mac->mac_tx_add_prom_add = i;
- eth_mac->mac_tx_add_prom_data = src->addr[i];
- eth_mac->mac_tx_add_prom_wr = 1;
- mdelay(1);
- eth_mac->mac_tx_add_prom_wr = 0;
- mdelay(1);
- }
- eth_mac->mac_tx_add_en = 1; // overwrite pkt src addr field with this stuff
-
- // set up receive destination address filter
- eth_mac->mac_rx_add_prom_wr = 0; // just in case
- for (i = 0; i < 6; i++){
- eth_mac->mac_rx_add_prom_add = i;
- eth_mac->mac_rx_add_prom_data = src->addr[i];
- eth_mac->mac_rx_add_prom_wr = 1;
- mdelay(1);
- eth_mac->mac_rx_add_prom_wr = 0;
- mdelay(1);
- }
- // eth_mac->mac_rx_add_chk_en = 1; // FIXME enable when everything's working
+ eth_mac->ucast_hi =
+ (((unsigned int)src->addr[0])<<8) +
+ ((unsigned int)src->addr[1]);
+ eth_mac->ucast_lo =
+ (((unsigned int)src->addr[2])<<24) +
+ (((unsigned int)src->addr[3])<<16) +
+ (((unsigned int)src->addr[4])<<8) +
+ (((unsigned int)src->addr[5]));
}
@@ -62,14 +45,18 @@ eth_mac_init(const u2_mac_addr_t *src)
eth_mac->miimoder = 25; // divider from CPU clock (50MHz/25 = 2MHz)
eth_mac_set_addr(src);
+ eth_mac->settings = MAC_SET_PAUSE_EN | MAC_SET_PASS_BCAST | MAC_SET_PASS_UCAST | MAC_SET_PAUSE_SEND_EN;
+
+ eth_mac->pause_time = 38;
+ eth_mac->pause_thresh = 1200;
// set rx flow control high and low water marks
// unsigned int lwmark = (2*2048 + 64)/4; // 2 * 2048-byte frames + 1 * 64-byte pause frame
// eth_mac->fc_hwmark = lwmark + 2048/4; // plus a 2048-byte frame
- eth_mac->fc_lwmark = 600; // there are currently 2047 lines in the fifo
- eth_mac->fc_hwmark = 1200;
- eth_mac->fc_padtime = 1700; // how long before flow control runs out do we
+ // eth_mac->fc_lwmark = 600; // there are currently 2047 lines in the fifo
+ // eth_mac->fc_hwmark = 1200;
+ //eth_mac->fc_padtime = 1700; // how long before flow control runs out do we
// request a re-pause. Units of 8ns (bytes)
//eth_mac->tx_pause_en = 0; // pay attn to pause frames sent to us
@@ -80,8 +67,8 @@ eth_mac_init(const u2_mac_addr_t *src)
int
eth_mac_read_rmon(int addr)
{
- int t;
-
+ int t = 0;
+ /*
eth_mac->rmon_rd_addr = addr;
eth_mac->rmon_rd_apply = 1;
while(eth_mac->rmon_rd_grant == 0)
@@ -89,6 +76,7 @@ eth_mac_read_rmon(int addr)
t = eth_mac->rmon_rd_dout;
eth_mac->rmon_rd_apply = 0;
+ */
return t;
}
@@ -111,7 +99,9 @@ eth_mac_miim_read(int addr)
while((eth_mac->miistatus & MIIS_BUSY) != 0)
;
- return eth_mac->miirx_data;
+ int r = eth_mac->miirx_data;
+ //printf("MIIM-READ ADDR 0x%x DATA 0x%x\n",addr, r);
+ return r;
}
void
@@ -122,6 +112,7 @@ eth_mac_miim_write(int addr, int value)
eth_mac->miitx_data = value;
eth_mac->miicommand = MIIC_WCTRLDATA;
+ //printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value);
while((eth_mac->miistatus & MIIS_BUSY) != 0)
;
}
diff --git a/usrp2/firmware/lib/eth_mac_regs.h b/usrp2/firmware/lib/eth_mac_regs.h
index 8daab937d..d680f8de0 100644
--- a/usrp2/firmware/lib/eth_mac_regs.h
+++ b/usrp2/firmware/lib/eth_mac_regs.h
@@ -20,70 +20,34 @@
#define INCLUDED_ETH_MAC_REGS_H
/*
- * See opencores.org 10_100_1000 Mbps Tri-mode Ethernet MAC Specification
+ * Simple GEMAC
*
- * In reality, these are 16-bit regs, but are assigned
- * on 32-bit boundaries. Because we're little endian,
- * declaring them "int" works.
*/
typedef struct {
- volatile int tx_hwmark;
- volatile int tx_lwmark;
-
- //! if set, send pause frames automatically
- volatile int pause_frame_send_en;
-
- //! quanta value for pause frame in units of 512 bit times.
- volatile int pause_quanta_set;
-
- volatile int ifg_set;
- volatile int full_duplex;
- volatile int max_retry;
- volatile int mac_tx_add_en;
- volatile int mac_tx_add_prom_data;
- volatile int mac_tx_add_prom_add;
- volatile int mac_tx_add_prom_wr;
-
- //! if set, other end can pause us (i.e., we pay attention to pause frames)
- volatile int tx_pause_en;
-
- // Flow Control high and low water marks
- //! when space available (in 32-bit lines) > hwmark, send un-pause frame
- volatile int fc_hwmark;
-
- //! when space avail (in 32-bit lines) < lwmark, send pause frame
- volatile int fc_lwmark;
-
- volatile int mac_rx_add_chk_en;
- volatile int mac_rx_add_prom_data;
- volatile int mac_rx_add_prom_add;
- volatile int mac_rx_add_prom_wr;
- volatile int broadcast_filter_en;
- volatile int broadcast_bucket_depth;
- volatile int broadcast_bucket_interval;
- volatile int rx_append_crc;
- volatile int rx_hwmark;
- volatile int rx_lwmark;
- volatile int crc_chk_en;
- volatile int rx_ifg_set;
- volatile int rx_max_length;
- volatile int rx_min_length;
- volatile int rmon_rd_addr; // performance counter access
- volatile int rmon_rd_apply;
- volatile int rmon_rd_grant; // READONLY
- volatile int rmon_rd_dout; // READONLY
- volatile int dummy; // READONLY
- volatile int line_loop_en;
- volatile int speed;
- volatile int miimoder;
- volatile int miicommand;
- volatile int miiaddress;
- volatile int miitx_data;
- volatile int miirx_data;
- volatile int miistatus;
- volatile int fc_padtime;
+ volatile int settings;
+ volatile int ucast_hi;
+ volatile int ucast_lo;
+ volatile int mcast_hi;
+ volatile int mcast_lo;
+ volatile int miimoder;
+ volatile int miiaddress;
+ volatile int miitx_data;
+ volatile int miicommand;
+ volatile int miistatus;
+ volatile int miirx_data;
+ volatile int pause_time;
+ volatile int pause_thresh;
} eth_mac_regs_t;
+// settings register
+#define MAC_SET_PAUSE_EN (1 << 0) // Makes us respect received pause frames (normally on)
+#define MAC_SET_PASS_ALL (1 << 1) // Enables promiscuous mode, currently broken
+#define MAC_SET_PASS_PAUSE (1 << 2) // Sends pause frames through (normally off)
+#define MAC_SET_PASS_BCAST (1 << 3) // Sends broadcast frames through (normally on)
+#define MAC_SET_PASS_MCAST (1 << 4) // Sends multicast frames that match mcast addr (normally off)
+#define MAC_SET_PASS_UCAST (1 << 5) // Sends unicast (normal) frames through if they hit in address filter (normally on)
+#define MAC_SET_PAUSE_SEND_EN (1 << 6) // Enables sending pause frames
+
// miicommand register
#define MIIC_SCANSSTAT (1 << 0) // Scan status
#define MIIC_RSTAT (1 << 1) // Read status
diff --git a/usrp2/firmware/lib/ethernet.c b/usrp2/firmware/lib/ethernet.c
index d19287044..f554e0179 100644
--- a/usrp2/firmware/lib/ethernet.c
+++ b/usrp2/firmware/lib/ethernet.c
@@ -43,6 +43,8 @@ ethernet_register_link_changed_callback(ethernet_link_changed_callback_t new_cal
static void
ed_set_mac_speed(int speed)
{
+ printf("Speed set to %d\n",speed);
+ /*
switch(speed){
case 10:
eth_mac->speed = 1;
@@ -56,6 +58,7 @@ ed_set_mac_speed(int speed)
default:
break;
}
+ */
}
static void
@@ -196,17 +199,17 @@ ethernet_init(void)
ed_state.link_speed = S_UNKNOWN;
// initialize MAC registers
- eth_mac->tx_hwmark = 0x1e;
- eth_mac->tx_lwmark = 0x19;
+ // eth_mac->tx_hwmark = 0x1e;
+ //eth_mac->tx_lwmark = 0x19;
- eth_mac->crc_chk_en = 1;
- eth_mac->rx_max_length = 2048;
+ //eth_mac->crc_chk_en = 1;
+ //eth_mac->rx_max_length = 2048;
// configure PAUSE frame stuff
- eth_mac->tx_pause_en = 1; // pay attn to pause frames sent to us
+ //eth_mac->tx_pause_en = 1; // pay attn to pause frames sent to us
- eth_mac->pause_quanta_set = 38; // a bit more than 1 max frame 16kb/512 + fudge
- eth_mac->pause_frame_send_en = 1; // enable sending pause frames
+ //eth_mac->pause_quanta_set = 38; // a bit more than 1 max frame 16kb/512 + fudge
+ //eth_mac->pause_frame_send_en = 1; // enable sending pause frames
// setup PHY to interrupt on changes
@@ -256,6 +259,10 @@ ethernet_init(void)
t &= ~(NWAY_AR_10T_HD_CAPS | NWAY_AR_10T_FD_CAPS | NWAY_AR_100TX_HD_CAPS | NWAY_AR_100TX_FD_CAPS);
eth_mac_miim_write(PHY_AUTONEG_ADV, t);
+ int r = eth_mac_miim_read(PHY_AUTONEG_ADV); // DEBUG, read back
+ if (t != r){
+ printf("PHY_AUTONEG_ADV: wrote 0x%x, got 0x%x\n", t, r);
+ }
// Restart autonegotation.
// We want to ensure that we're advertising our PAUSE capabilities.
@@ -322,6 +329,7 @@ ethernet_check_errors(void)
// these registers are reset when read
int r = 0;
+ /*
if (eth_mac_read_rmon(0x05) != 0)
r |= RME_RX_CRC;
if (eth_mac_read_rmon(0x06) != 0)
@@ -335,6 +343,6 @@ ethernet_check_errors(void)
r |= RME_TX_FIFO_UNDER;
if (eth_mac_read_rmon(0x27) != 0)
r |= RME_TX_FIFO_OVER;
-
+ */
return r;
}
generated by cgit (git 2.34.1) at 2024-12-21 06:46:37 +0000