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RTLPlayground/cmd_parser.c
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/*
* A Command parser for RTL Switch configuration
*/
// #define DEBUG
// #define REGDBG 1
#include "rtl837x_common.h"
#include "rtl837x_port.h"
#include "rtl837x_flash.h"
#include "rtl837x_phy.h"
#include "rtl837x_regs.h"
#include "rtl837x_sfr.h"
#include "rtl837x_stp.h"
#include "rtl837x_igmp.h"
#include "rtl837x_bandwidth.h"
#include "dhcp.h"
#include "uip/uip.h"
#include "version.h"
#include "machine.h"
#include "phy.h"
#pragma codeseg BANK2
#pragma constseg BANK2
extern __code struct machine machine;
extern __xdata uint8_t stpEnabled;
extern __code uint8_t log_to_phys_port[9];
extern volatile __xdata uint32_t ticks;
extern volatile __xdata uint8_t sfr_data[4];
extern __code uint8_t * __code greeting;
extern __code uint8_t * __code hex;
extern __xdata uint8_t flash_buf[FLASH_BUF_SIZE];
extern __xdata struct flash_region_t flash_region;
extern __xdata char passwd[21];
extern __xdata struct dhcp_state dhcp_state;
__xdata uint8_t vlan_names[VLAN_NAMES_SIZE];
__xdata uint16_t vlan_ptr;
__xdata char port_names[9][PORT_NAME_SIZE];
extern __xdata uint16_t management_vlan;
__xdata uint8_t gpio_last_value[8] = { 0 };
// Temporatly for str to hex convertion value.
// Support up to 32_bits.
__xdata uint8_t hexvalue[4] = { 0 };
// Buffer for writing to flash 0x1fd000, copy to 0x1fe000
__xdata uint8_t cmd_buffer[CMD_BUF_SIZE];
__xdata uint8_t cmd_available;
__xdata char save_cmd;
__xdata uint8_t ip[4];
// These variables combined create a Fixed-capacity vector/bounded buffer.
// `N_WORDS`: The total number of command arguments that can be tracked.
// `cmd_words_len` stores the number of arguments found inside `cmd_buffer`
// `cmd_words_b` stores the index into `cmd_buffer`, check `cmd_words_len` is index is valid.
#define N_WORDS 15
__xdata uint8_t cmd_words_len;
__xdata uint8_t cmd_words_b[N_WORDS];
__xdata uint8_t cmd_history[CMD_HISTORY_SIZE];
__xdata uint16_t cmd_history_ptr;
// Error set by commands
__xdata uint8_t err_status;
inline uint8_t isletter(uint8_t l)
{
// return (l >= 'a' && l <= 'z') || (l >= 'A' && l <= 'Z');
// Make it lowercase
l |= 0x20;
l -= 'a';
return (l <= ('z'-'a'));
}
inline uint8_t isnumber(uint8_t l)
{
// return (l >= '0' && l <= '9');
l -= '0';
return (l <= ('9'-'0'));
}
uint8_t cmd_compare(uint8_t start, __code uint8_t * cmd)
{
if (cmd_words_len == 0 || start > (cmd_words_len - 1)) {
return 0;
}
uint8_t i = cmd_words_b[start];
uint8_t j = 0;
do {
uint8_t c = cmd[j];
uint8_t b = cmd_buffer[i];
// cmd is garanteerd to be NULL-terminated.
if (c == '\0') {
if ((b == ' ') || (b == '\0')) {
// Match
return 1;
}
break;
}
if (b != c) {
break;
}
j += 1;
i += 1;
} while (i < CMD_BUF_SIZE);
// No match
return 0;
}
/* Converts ascii-hex array into value.
returns number of hexvalue[] entries has been written.
return value = 0 means error.
*/
uint8_t atoi_hex(uint8_t idx)
{
uint8_t h_idx = 0;
uint8_t val = 0;
uint8_t c;
while(1) {
c = cmd_buffer[idx];
if (c == '\0' || c == ' ') {
break;
}
// swap hex nibbles
val = (val >> 4) | (val << 4);
if (c - '0' < 10) {
val |= c - '0';
} else {
c |= 0x20;
c -= 'a';
if (c > 5) {
h_idx = 0;
break;
}
val |= c + 10;
}
idx++;
hexvalue[h_idx >> 1] = val;
if (h_idx & 1 == 1) {
val = 0;
}
h_idx++;
}
if (h_idx & 1) {
hexvalue[h_idx >> 1] <<= 4;
hexvalue[3] = hexvalue[3] >> 4 | (hexvalue[2] << 4);
hexvalue[2] = hexvalue[2] >> 4 | (hexvalue[1] << 4);
hexvalue[1] = hexvalue[1] >> 4 | (hexvalue[0] << 4);
hexvalue[0] >>= 4;
}
return ((h_idx + 1) >> 1);
}
uint8_t atoi_byte(register uint8_t *out, register uint8_t idx)
{
__xdata uint8_t err = 1;
*out = 0;
while (isnumber(cmd_buffer[idx])) {
err = 0;
*out = (*out * 10) + cmd_buffer[idx] - '0';
idx++;
}
return err;
}
uint8_t atoi_short(register uint16_t *vlan, register uint8_t idx)
{
__xdata uint8_t err = 1;
*vlan = 0;
while (isnumber(cmd_buffer[idx])) {
err = 0;
*vlan = (*vlan * 10) + cmd_buffer[idx] - '0';
idx++;
}
return err;
}
uint8_t parse_ip(register uint8_t idx)
{
__xdata uint8_t b;
for (b = 0; b < 4; b++) {
ip[b] = 0;
while (isnumber(cmd_buffer[idx])) {
ip[b] = (ip[b] * 10) + cmd_buffer[idx] - '0';
idx++;
}
if (b < 3 && cmd_buffer[idx++] != '.') {
print_string("Error in IP format, expecting '.'\n");
return -1;
}
}
return 0;
}
void parse_lag(void)
{
__xdata uint8_t group;
__xdata uint16_t members = 0;
if (cmd_compare(1, "show")) {
print_string("LAG status:\n");
for (uint8_t i = 0; i < 4; i++) {
write_char(' '); write_char('1' + i);
reg_read_m(RTL837X_TRK_MBR_CTRL_BASE + (i << 2));
members = ((uint16_t)sfr_data[2]) << 8 | sfr_data[3];
if (!members) {
print_string(" disabled\n");
continue;
}
print_string(" member ports: ");
for (uint8_t j = 0; j < 10; j++) {
if (members & 1) {
write_char('0' + machine.log_to_phys_port[j]);
write_char(' ');
}
members >>= 1;
}
print_string(" (hash: 0x");
reg_read_m(RTL837X_TRK_HASH_CTRL_BASE + (i << 2));
print_byte(sfr_data[3]);
print_string(")\n");
}
return;
}
if (cmd_words_b[2] <= 0 || !isnumber(cmd_buffer[cmd_words_b[1]]))
goto err;
group = cmd_buffer[cmd_words_b[1]] - '0';
uint8_t w = 2;
while (cmd_words_b[w + 1] > 0) {
// write_char('|'); print_byte(w); write_char(':'); write_char(cmd_buffer[cmd_words_b[w]]); write_char('-');
uint8_t port;
if (isnumber(cmd_buffer[cmd_words_b[w]])) {
port = cmd_buffer[cmd_words_b[w]] - '1';
if (isnumber(cmd_buffer[cmd_words_b[w] + 1]))
port = (port + 1) * 10 + cmd_buffer[cmd_words_b[w] + 1] - '1';
port = machine.phys_to_log_port[port];
} else {
goto err;
}
if (port > machine.max_port)
goto err;
members |= ((uint16_t)1) << port;
w++;
}
port_lag_members_set(group, members);
return;
err:
print_string("Error: lag <lag> [port]...\n");
}
void parse_lag_hash(void)
{
__xdata uint8_t group;
__xdata uint8_t hash = 0;
group = cmd_buffer[cmd_words_b[1]] - '0';
uint8_t w = 2;
while (cmd_words_b[w + 1] > 0) {
if (cmd_compare(w, "spa"))
hash |= LAG_HASH_SOURCE_PORT_NUMBER;
else if (cmd_compare(w, "smac"))
hash |= LAG_HASH_L2_SMAC;
else if (cmd_compare(w, "dmac"))
hash |= LAG_HASH_L2_DMAC;
else if (cmd_compare(w, "sip"))
hash |= LAG_HASH_L3_SIP;
else if (cmd_compare(w, "dip"))
hash |= LAG_HASH_L3_DIP;
else if (cmd_compare(w, "sport"))
hash |= LAG_HASH_L4_SPORT;
else if (cmd_compare(w, "dport"))
hash |= LAG_HASH_L4_DPORT;
else {
print_string("Error: invalid hash type:");
print_string_x(&cmd_buffer[cmd_words_b[w]]);
write_char('\n');
}
w++;
}
port_lag_hash_set(group, hash);
}
void parse_vlan(void)
{
vlan_settings.vlan = 0;
vlan_settings.members = 0;
vlan_settings.tagged = 0;
if (!atoi_short(&vlan_settings.vlan, cmd_words_b[1])) {
if (cmd_words_len == 3 && cmd_buffer[cmd_words_b[2]] == 'd') {
vlan_delete(vlan_settings.vlan);
return;
}
if (cmd_compare(2, "mgmt")) {
management_vlan = vlan_settings.vlan;
if (!vlan_settings.vlan)
print_string("Management VLAN disabled\n");
else
print_string("Management VLAN set to "); print_short(management_vlan); write_char('\n');
return;
}
uint8_t w = 2;
if (cmd_words_len > w && isletter(cmd_buffer[cmd_words_b[w]])) {
register uint8_t i = 0;
vlan_names[vlan_ptr++] = hex[(vlan_settings.vlan >> 8) & 0xf];
vlan_names[vlan_ptr++] = hex[(vlan_settings.vlan >> 4) & 0xf] ;
vlan_names[vlan_ptr++] = hex[vlan_settings.vlan & 0xf];
while(cmd_buffer[cmd_words_b[w] + i] != ' ') {
write_char(cmd_buffer[cmd_words_b[w] + i]);
vlan_names[vlan_ptr++] = cmd_buffer[cmd_words_b[w] + i++];
}
vlan_names[vlan_ptr++] = ' '; vlan_names[vlan_ptr] = '\0';
w++;
print_string("<\n");
}
while (cmd_words_len > w) {
__xdata uint8_t port;
if (isnumber(cmd_buffer[cmd_words_b[w]])) {
port = cmd_buffer[cmd_words_b[w]] - '1';
if (isnumber(cmd_buffer[cmd_words_b[w] + 1])) {
port = (port + 1) * 10 + cmd_buffer[cmd_words_b[w] + 1] - '1';
if (cmd_buffer[cmd_words_b[w] + 2] == 't')
vlan_settings.tagged |= ((uint16_t)1) << port;
} else {
port = machine.phys_to_log_port[port];
if (cmd_buffer[cmd_words_b[w] + 1] == 't')
vlan_settings.tagged |= ((uint16_t)1) << port;
}
if (port > machine.max_port)
goto err;
vlan_settings.members |= ((uint16_t)1) << port;
}
w++;
}
vlan_create();
} else if (cmd_compare(1, "show")) {
vlan_dump();
} else {
goto err;
}
if (cmd_words_len >= 3 && isletter(cmd_buffer[cmd_words_b[2]])) {
print_string("vlan_ptr "); print_short(vlan_ptr); write_char(':');
write_char('>'); print_string_x(&vlan_names[0]); write_char('<'); write_char('\n');
}
return;
err:
print_string("Error: vlan (<vlan-id>|show) [port][t/u]...\n");
}
void parse_isolate(void)
{
__xdata uint16_t members = 0;
if (cmd_words_b[3] <= 0)
goto err;
print_string("\nISOLATE ");
__xdata int8_t port_configured = cmd_buffer[cmd_words_b[1]] - '1';
port_configured = machine.phys_to_log_port[port_configured];
if (isnumber(cmd_buffer[cmd_words_b[1] + 1])) // CPU-port, logical port 9
port_configured = (port_configured + 1) * 10 + cmd_buffer[cmd_words_b[1] + 1] - '1';
if (port_configured < 0 || port_configured > 9)
goto err;
print_byte(port_configured); write_char('\n');
if (cmd_compare(2, "show")) {
members = port_isolation_get(port_configured);
for (uint8_t i = 0; i < 10; i++) {
if (members & 1) {
if (i < 9)
write_char(machine.log_to_phys_port[i] + '0');
else
print_string("CPU");
write_char(' ');
}
members >>= 1;
}
return;
}
if (cmd_compare(2, "off")) {
for (uint8_t i = machine.min_port; i < machine.max_port; i++)
members |= ((uint16_t)1) << i;
members |= 0x200; // CPU-port
port_isolate(port_configured, members);
return;
}
uint8_t w = 2;
while (cmd_words_b[w] > 0) {
__xdata uint8_t port;
if (isnumber(cmd_buffer[cmd_words_b[w]])) {
port = cmd_buffer[cmd_words_b[w]] - '1';
if (isnumber(cmd_buffer[cmd_words_b[w] + 1])) {
port = (port + 1) * 10 + cmd_buffer[cmd_words_b[w] + 1] - '1'; // logical port
if (port != 9) // CPU port is logical port 9
goto err;
} else {
port = machine.phys_to_log_port[port];
if (port < machine.min_port || port > machine.max_port)
goto err;
}
members |= ((uint16_t)1) << port;
}
w++;
}
port_isolate(port_configured, members);
return;
err:
print_string("Error: isolate <port> [show|off] [port]...\n");
}
bool vlan_ingress_mode_parse(char c, vlan_ingress_mode_t *mode)
{
switch (c) {
case 'u':
*mode = VLAN_UNTAGGED;
return true;
case 't':
*mode = VLAN_TAGGED;
return true;
case 'a':
*mode = VLAN_ALL;
return true;
default:
*mode = VLAN_INVALID;
return false;
}
}
void parse_ingress(void)
{
if (cmd_words_b[1] <= 0) {
goto err;
}
__xdata uint8_t log_port = 0;
__xdata vlan_ingress_mode_t mode = VLAN_INVALID;
if (vlan_ingress_mode_parse(cmd_buffer[cmd_words_b[1]], &mode)) {
// Setting mode for all ports at once
for (log_port = machine.min_port; log_port <= machine.max_port; log_port++) {
if (!port_ingress_filter(log_port, mode)) {
print_string("Error setting ingress filter for port "); print_byte(machine.log_to_phys_port[log_port]); write_char('\n');
return;
}
print_string("All ports ingress filter set to: ");
print_port_ingress_filter_mode(mode); write_char('\n');
}
return;
} else {
for(uint8_t w = 1; cmd_words_b[w] > 0; w++) {
if (!isnumber(cmd_buffer[cmd_words_b[w]])) {
continue;
}
if (cmd_buffer[cmd_words_b[w]] - '1' > 9) {
print_string("Invalid physical port number: "); write_char(cmd_buffer[cmd_words_b[w]]); write_char('\n');
continue;
}
log_port = machine.phys_to_log_port[cmd_buffer[cmd_words_b[w]] - '1'];
if (!vlan_ingress_mode_parse(cmd_buffer[cmd_words_b[w] + 1], &mode)) {
print_string("Invalid ingress mode for port "); write_char(cmd_buffer[cmd_words_b[w]]); print_string(" in ingress command\n");
goto err;
}
if (!port_ingress_filter(log_port, mode)) {
print_string("Error setting ingress filter for port "); write_char(cmd_buffer[cmd_words_b[w]]); write_char('\n');
return;
}
print_string("Port "); write_char(cmd_buffer[cmd_words_b[w]]);
print_string(" ingress filter set to: ");
print_port_ingress_filter_mode(mode); write_char('\n');
}
return;
}
err:
print_string("Error: ingress [p]<u/t/a>... \n");
}
void parse_mirror(void)
{
__xdata uint8_t mirroring_port;
__xdata uint16_t rx_pmask = 0;
__xdata uint16_t tx_pmask = 0;
if (cmd_compare(1, "status")) {
reg_read_m(RTL837x_MIRROR_CTRL);
uint8_t mPort = sfr_data[3];
if (mPort & 1) {
print_string("Enabled: ");
} else {
print_string("NOT Enabled: ");
}
print_string("Mirroring port: ");
write_char('0' + machine.log_to_phys_port[mPort >> 1]);
reg_read_m(RTL837x_MIRROR_CONF);
uint16_t m = sfr_data[0];
m = (m << 8) | sfr_data[1];
print_string(", Port mask RX: ");
print_short(m);
m = sfr_data[2];
m = (m << 8) | sfr_data[3];
print_string(", Port mask TX: ");
print_short(m);
write_char('\n');
return;
} else if (cmd_compare(1, "off")) {
port_mirror_del();
return;
}
if (!isnumber(cmd_buffer[cmd_words_b[1]])) {
print_string("Port missing: mirror <mirroring port> [port][t/r]...\n");
return;
}
mirroring_port = cmd_buffer[cmd_words_b[1]] - '1';
if (isnumber(cmd_buffer[cmd_words_b[1] + 1]))
mirroring_port = (mirroring_port + 1) * 10 + cmd_buffer[cmd_words_b[1] + 1] - '1';
mirroring_port = machine.phys_to_log_port[mirroring_port];
uint8_t w = 2;
while (cmd_words_b[w] > 0) {
uint8_t port;
if (isnumber(cmd_buffer[cmd_words_b[w]])) {
port = cmd_buffer[cmd_words_b[w]] - '1';
if (isnumber(cmd_buffer[cmd_words_b[w] + 1])) {
port = (port + 1) * 10 + cmd_buffer[cmd_words_b[w] + 1] - '1';
port = machine.phys_to_log_port[port];
if (cmd_buffer[cmd_words_b[w] + 2] == 'r')
rx_pmask |= ((uint16_t)1) << port;
else if (cmd_buffer[cmd_words_b[w] + 2] == 't')
tx_pmask |= ((uint16_t)1) << port;
else {
rx_pmask |= ((uint16_t)1) << port;
tx_pmask |= ((uint16_t)1) << port;
}
} else {
port = machine.phys_to_log_port[port];
if (cmd_buffer[cmd_words_b[w] + 1] == 'r')
rx_pmask |= ((uint16_t)1) << port;
else if (cmd_buffer[cmd_words_b[w] + 1] == 't')
tx_pmask |= ((uint16_t)1) << port;
else {
rx_pmask |= ((uint16_t)1) << port;
tx_pmask |= ((uint16_t)1) << port;
}
}
}
w++;
}
port_mirror_set(mirroring_port, rx_pmask, tx_pmask);
}
void parse_port(void)
{
if (cmd_words_b[3] <= 0) {
print_string("\nUsage:");
print_string("\nport <port> [show|on|off]");
print_string("\nport <port> [10m|100m|1g|2g5|duplex] [half|full]");
print_string("\nport <port> name [custom port name]\n");
return;
}
if (cmd_buffer[cmd_words_b[1]] < '1' || cmd_buffer[cmd_words_b[1]] > '9' || cmd_buffer[cmd_words_b[1] + 1] != ' ' ) {
print_string("Illegal port number\n");
return;
}
phy_settings.port = cmd_buffer[cmd_words_b[1]] - '1';
phy_settings.port = machine.phys_to_log_port[phy_settings.port];
if (phy_settings.port > machine.max_port || phy_settings.port < machine.min_port) {
print_string("This machine has no port with the specified number\n");
return;
}
print_string("Logical Port: "); print_byte(phy_settings.port); write_char('\n');
phy_settings.duplex = PHY_DUPLEX_BOTH;
if (cmd_compare(2, "show")) {
print_string("Name: ");
print_string_x(port_names[phy_settings.port]);
if (!machine.is_sfp[phy_settings.port]) {
phy_show(phy_settings.port);
}
} else if (cmd_compare(2, "name")) {
uint8_t i = 0;
while ( (i < PORT_NAME_SIZE-1) && (cmd_buffer[cmd_words_b[3] + i] != '\0') ) {
port_names[phy_settings.port][i] = cmd_buffer[cmd_words_b[3] + i];
i++;
}
port_names[phy_settings.port][i] = '\0';
print_string("\nName set to: \"");
print_string_x(port_names[phy_settings.port]);
print_string("\"\n");
} else if (machine.is_sfp[phy_settings.port]) {
print_string(" is SFP no PHY information available.\n");
} else if (cmd_compare(2, "10m")) {
print_string(" 10M\n");
phy_settings.speed = PHY_SPEED_10M;
if (cmd_compare(3, "half"))
phy_settings.duplex = PHY_DUPLEX_HALF;
else if (cmd_compare(3, "full"))
phy_settings.duplex = PHY_DUPLEX_FULL;
phy_set_speed();
} else if (cmd_compare(2, "100m")) {
print_string(" 100M\n");
phy_settings.speed = PHY_SPEED_100M;
if (cmd_compare(3, "half"))
phy_settings.duplex = PHY_DUPLEX_HALF;
else if (cmd_compare(3, "full"))
phy_settings.duplex = PHY_DUPLEX_FULL;
phy_set_speed();
} else if (cmd_compare(2, "2g5")) {
print_string(" 2.5G\n");
phy_settings.speed = PHY_SPEED_2G5;
phy_set_speed();
} else if (cmd_compare(2, "1g")) {
print_string(" 1G\n");
phy_settings.speed = PHY_SPEED_1G;
phy_set_speed();
} else if (cmd_compare(2, "auto")) {
print_string(" AUTO\n");
phy_settings.speed = PHY_SPEED_AUTO;
phy_set_speed();
} else if (cmd_compare(2, "off")) {
print_string(" OFF\n");
phy_settings.speed = PHY_OFF;
phy_set_speed();
} else if (cmd_compare(2, "on")) {
print_string(" ON\n");
phy_settings.speed = PHY_SPEED_AUTO;
phy_set_speed();
} else if (cmd_compare(2, "duplex")) {
print_string(" DUPLEX\n");
if (cmd_compare(3, "full"))
phy_settings.speed = PHY_DUPLEX_FULL;
else
phy_settings.speed = PHY_DUPLEX_HALF;
phy_set_duplex();
} else {
print_string("Unknown port command\n");
}
}
void parse_mtu(void)
{
__xdata uint16_t mtu;
uint8_t p;
if (cmd_compare(1, "show")) {
for (p = machine.min_port; p <= machine.max_port; p++) {
reg_read_m(RTL8373_REG_MAC_L2_PORT_MAX_LEN + ((uint16_t) p << 8));
mtu = SFR_DATA_U16 & 0x3fff;
print_string("Port "); print_byte(machine.log_to_phys_port[p]);
write_char(' '); print_short(mtu); write_char('\n');
}
}
p = cmd_buffer[cmd_words_b[1]] - '1';
p = machine.phys_to_log_port[p];
print_byte(p);
if (cmd_words_b[2] <= 0) {
print_string("mtu [port] [size]\n");
return;
}
atoi_short(&mtu, cmd_words_b[2]);
if (mtu > 0x3fff) {
print_string("Maximum MTU is 16383\n");
return;
}
REG_WRITE(RTL8373_REG_MAC_L2_PORT_MAX_LEN + ((uint16_t) p << 8), (mtu >> 10) & 0xf, (mtu >> 2) & 0xff,
((mtu & 0x3) << 6) | ((mtu >> 8) & 0x3f), mtu & 0xff);
write_char('\n');
}
void sfp_print_measurements(uint8_t sfp)
{
print_string("Options: "); print_byte(sfp_read_reg(sfp, 92)); write_char('\n');
if (!(sfp_read_reg(sfp, 92) & 0x40))
return;
print_string("Temp: "); print_byte(sfp_read_reg(sfp, 224)); print_byte(sfp_read_reg(sfp, 225)); write_char('\n');
print_string("Vcc: "); print_byte(sfp_read_reg(sfp, 226)); print_byte(sfp_read_reg(sfp, 227)); write_char('\n');
print_string("TX Bias: "); print_byte(sfp_read_reg(sfp, 228)); print_byte(sfp_read_reg(sfp, 229)); write_char('\n');
print_string("TX Power: "); print_byte(sfp_read_reg(sfp, 230)); print_byte(sfp_read_reg(sfp, 231)); write_char('\n');
print_string("RX Power: "); print_byte(sfp_read_reg(sfp, 232)); print_byte(sfp_read_reg(sfp, 233)); write_char('\n');
print_string("Laser: "); print_byte(sfp_read_reg(sfp, 234)); print_byte(sfp_read_reg(sfp, 235)); write_char('\n');
print_string("State: "); print_byte(sfp_read_reg(sfp, 238)); write_char('\n');
}
void parse_regget(void)
{
uint16_t reg = 0;
if (cmd_words_len != 2) {
goto err;
}
uint8_t hex_size = atoi_hex(cmd_words_b[1]);
if (hex_size == 0 || hex_size > 2) {
goto err;
}
reg = hexvalue[0];
if (hex_size == 2) {
reg <<= 8;
reg |= hexvalue[1];
}
print_string("REGGET: ");
print_short(reg);
print_string(": VAL: ");
reg_read_m(reg);
print_sfr_data();
write_char('\n');
return;
err:
print_string("usage: regget <hexvalue>\n\tlike: regget 0BB0 or regget 0c");
return;
}
void parse_regset(void)
{
uint16_t reg = 0;
if (cmd_words_len != 2) {
goto err;
}
uint8_t hex_size = atoi_hex(cmd_words_b[1]);
if (hex_size == 0 || hex_size > 2) {
goto err;
}
reg = hexvalue[0];
if (hex_size == 2) {
reg <<= 8;
reg |= hexvalue[1];
}
hex_size = atoi_hex(cmd_words_b[2]);
if (hex_size == 0 || hex_size > 4) {
goto err;
}
// zero sfr memory data
sfr_set_zero();
// copy data over sfr memory
uint8_t offset = 4 - hex_size;
while(hex_size) {
hex_size -= 1;
sfr_data[offset + hex_size] = hexvalue[hex_size];
}
print_string("REGSET: ");
print_short(reg);
reg_write_m(reg);
print_string(": VAL: ");
print_sfr_data();
write_char('\n');
return;
err:
print_string("usage: regset <hexvalue> <hexvalue>\n\tlike regset 0b abcd1234.");
}
void parse_sdsget(void)
{
__xdata uint8_t sds_id, page, reg, hex_size;
if (cmd_words_len != 4) {
goto err;
}
if (atoi_byte(&sds_id, cmd_words_b[1])) {
goto err;
}
hex_size = atoi_hex(cmd_words_b[2]);
if (hex_size != 1) {
goto err;
}
page = hexvalue[0];
hex_size = atoi_hex(cmd_words_b[3]);
if (hex_size != 1) {
goto err;
}
reg = hexvalue[0];
print_string("SDSGET: ");
itoa(sds_id);
print_string(":0x");
print_byte(page);
print_string(":0x");
print_byte(reg);
print_string(": VAL: ");
sds_read(sds_id, page, reg);
print_phy_data();
write_char('\n');
return;
err:
print_string("usage: sdsget <sds-id> <hex:page> <hex:reg>\n");
return;
}
void parse_sdsset(void)
{
__xdata uint8_t sds_id, page, reg, hex_size;
__xdata uint16_t val;
if (cmd_words_len != 5) {
goto err;
}
if (atoi_byte(&sds_id, cmd_words_b[1])) {
goto err;
}
hex_size = atoi_hex(cmd_words_b[2]);
if (hex_size != 1) {
goto err;
}
page = hexvalue[0];
hex_size = atoi_hex(cmd_words_b[3]);
if (hex_size != 1) {
goto err;
}
reg = hexvalue[0];
hex_size = atoi_hex(cmd_words_b[4]);
if (hex_size == 0 || hex_size > 2) {
goto err;
}
val = hexvalue[0];
if (hex_size == 2) {
val <<= 8;
val |= hexvalue[1];
}
print_string("SDSSET: ");
itoa(sds_id);
print_string(":0x");
print_byte(page);
print_string(":0x");
print_byte(reg);
print_string(": VAL: ");
sds_write_v(sds_id, page, reg, val);
print_short(val);
write_char('\n');
return;
err:
print_string("usage: sdsset <sds-id> <hex:page> <hex:reg> <hex:val>\n");
return;
}
void parse_phyget(void)
{
__xdata uint8_t phy_id, dev_id, hex_size;
__xdata uint16_t reg;
if (cmd_words_len != 4) {
goto err;
}
if (atoi_byte(&phy_id, cmd_words_b[1])) {
goto err;
}
if (atoi_byte(&dev_id, cmd_words_b[2])) {
goto err;
}
hex_size = atoi_hex(cmd_words_b[3]);
if (hex_size == 0 || hex_size > 2) {
goto err;
}
reg = hexvalue[0];
if (hex_size == 2) {
reg <<= 8;
reg |= hexvalue[1];
}
print_string("PHYGET: ");
itoa(phy_id);
print_string(":");
itoa(dev_id);
print_string(".");
print_short(reg);
print_string(": VAL: ");
phy_read(phy_id, dev_id, reg);
print_phy_data();
write_char('\n');
return;
err:
print_string("usage: phyget <phy-id> <dev-id> <hex:reg>\n");
return;
}
void parse_physet(void)
{
__xdata uint8_t phy_id, dev_id, hex_size;
__xdata uint16_t reg, val;
if (cmd_words_len != 5) {
goto err;
}
if (atoi_byte(&phy_id, cmd_words_b[1])) {
goto err;
}
if (atoi_byte(&dev_id, cmd_words_b[2])) {
goto err;
}
hex_size = atoi_hex(cmd_words_b[3]);
if (hex_size == 0 || hex_size > 2) {
goto err;
}
reg = hexvalue[0];
if (hex_size == 2) {
reg <<= 8;
reg |= hexvalue[1];
}
hex_size = atoi_hex(cmd_words_b[4]);
if (hex_size == 0 || hex_size > 2) {
goto err;
}
val = hexvalue[0];
if (hex_size == 2) {
val <<= 8;
val |= hexvalue[1];
}
print_string("PHYSET: ");
itoa(phy_id);
print_string(":");
itoa(dev_id);
print_string(".");
print_short(reg);
print_string(": VAL: ");
phy_write(phy_id, dev_id, reg, val);
print_short(val);
write_char('\n');
return;
err:
print_string("usage: physet <phy-id> <dev-id> <hex:reg> <hex:val>\n");
return;
}
void parse_rnd(void)
{
// In order to get a new random numner, this bit has to be set each time!
reg_bit_set(RTL837X_RLDP_RLPP, RLDP_RND_EN);
reg_read_m(RTL837X_RAND_NUM1);
print_byte(sfr_data[2]);
print_byte(sfr_data[3]);
reg_read_m(RTL837X_RAND_NUM0);
print_byte(sfr_data[0]);
print_byte(sfr_data[1]);
print_byte(sfr_data[2]);
print_byte(sfr_data[3]);
write_char('\n');
}
void parse_passwd(void)
{
if (cmd_words_b[2] > 0) {
signed char i;
signed char j = 0;
for (i = cmd_words_b[1]; (i != cmd_words_b[2] && i - cmd_words_b[1] < 20); i++)
passwd[j++] = cmd_buffer[i];
passwd[j] = '\0';
return;
}
print_string("Missing password\n");
}
void parse_eee(void)
{
__xdata int8_t port = -1;
__xdata uint8_t speed = EEE_2G5;
__xdata uint8_t speed_word = 0;
// Check if word 2 is a speed (contains 'g' or 'm') or a port number
if (cmd_words_b[3] > 0) {
uint8_t idx = cmd_words_b[2];
// Skip digits to check if there's a letter after
while (isnumber(cmd_buffer[idx]))
idx++;
if (cmd_buffer[idx] == 'g' || cmd_buffer[idx] == 'm') {
// Word 2 is a speed (e.g., "2g5", "100m", "1g")
speed_word = 2;
} else if (cmd_buffer[idx] == ' ' || cmd_buffer[idx] == '\0') {
// Word 2 is a port number
port = cmd_buffer[cmd_words_b[2]] - '1';
port = machine.phys_to_log_port[port];
// Check if word 3 is a speed
if (cmd_words_b[4] > 0)
speed_word = 3;
}
}
// Parse speed if found
if (speed_word > 0) {
if (cmd_compare(speed_word, "100m"))
speed = EEE_100;
else if (cmd_compare(speed_word, "1g"))
speed = EEE_1000;
else if (cmd_compare(speed_word, "2g5"))
speed = EEE_2G5;
else
{
print_string("Speed word invalid, use: [100m|1g|2g5]\n");
return;
}
}
if (cmd_compare(1, "on")) {
if (port >= 0)
port_eee_enable(port, speed);
else
port_eee_enable_all(speed);
} else if (cmd_compare(1, "off")) {
if (port >= 0)
port_eee_disable(port);
else
port_eee_disable_all();
} else if (cmd_compare(1, "status")) {
if (port >= 0)
port_eee_status(port);
else
port_eee_status_all();
} else {
print_string("eee [on|off|status] [port] [100m|1g|2g5]\n");
}
}
void parse_bw(void)
{
__xdata uint8_t port;
__xdata uint32_t bw = 0;
if (cmd_words_b[3] < 0) // Check for at least 2 arguments
goto err;
port = cmd_buffer[cmd_words_b[2]] - '1';
if (port > 9)
goto err;
port = machine.phys_to_log_port[port];
if (cmd_compare(1, "status")) {
bandwidth_status(port);
return;
}
if (cmd_words_b[4] < 0) // Check for at least 3 arguments
goto err;
if (cmd_compare(3, "drop")) {
if (cmd_compare(1, "in")) {
bandwidth_ingress_drop(port);
return;
}
goto err;
}
if (cmd_compare(3, "fc")) {
if (cmd_compare(1, "in")) {
bandwidth_ingress_fc(port);
return;
}
goto err;
}
if (cmd_compare(3, "off")) {
if (cmd_compare(1, "in")) {
bandwidth_ingress_disable(port);
return;
} else if (cmd_compare(1, "out")) {
bandwidth_egress_disable(port);
return;
}
goto err;
}
uint8_t hex_size = atoi_hex(cmd_words_b[3]);
if (hex_size == 0 || hex_size > 4) {
goto err;
}
uint8_t i = 0;
while (hex_size) {
hex_size--;
*(((uint8_t *) &bw) + hex_size) = hexvalue[i++];
}
if (cmd_compare(1, "in")) {
bandwidth_ingress_set(port, bw);
} else if (cmd_compare(1, "out")) {
bandwidth_egress_set(port, bw);
} else {
goto err;
}
return;
err:
print_string("usage: bw [in|out|status] <port> [<hexvalue>|off|drop|fc]\n");
}
// Parse command into words
// cmd_words_len contains the number of words found.
// cmd_words_b[] contains only start of a word offset.
uint8_t cmd_tokenize(void) __banked
{
#ifdef DEBUG
print_string("Tokenizing command\n");
print_string_x(&cmd_buffer[0]);
write_char('<'); write_char('\n');
#endif
err_status = ERR_OK;
uint8_t line_ptr = 0;
uint8_t is_white = 1;
uint8_t word = 0;
uint8_t c = 0;
while(1) {
c = cmd_buffer[line_ptr];
if (c == '\0') {
// Store the word count
cmd_words_len = word;
break;
}
if (line_ptr == CMD_BUF_SIZE - 1) {
err_status = ERR_CMD_TOO_LONG;
return 1;
}
if (is_white && c != ' ') {
is_white = 0;
cmd_words_b[word++] = line_ptr;
if (word >= N_WORDS) {
cmd_words_len = 0;
print_string("\ntoo many arguments, truncated");
err_status = ERR_TOO_MANY_ARGUMENTS;
return 1;
}
} else if (c == ' ') {
is_white = 1;
}
line_ptr++;
}
return 0;
}
// Print GPIO status
void print_gpio_status(void) {
for (uint8_t idx = 0; idx < 2; idx++) {
reg_read(RTL837X_REG_GPIO_00_31_INPUT + (idx * 4));
print_string("GPIO ");
write_char(idx + '0');
write_char(':');
write_char(' ');
print_byte(SFR_DATA_24);
print_byte(SFR_DATA_16);
print_byte(SFR_DATA_8);
print_byte(SFR_DATA_0);
write_char(' ');
print_byte( gpio_last_value[(idx *4)] ^ SFR_DATA_24);
gpio_last_value[(idx *4)] = SFR_DATA_24;
print_byte( gpio_last_value[(idx *4) + 1] ^ SFR_DATA_16);
gpio_last_value[(idx *4) + 1] = SFR_DATA_16;
print_byte( gpio_last_value[(idx *4) + 2] ^ SFR_DATA_8);
gpio_last_value[(idx *4) + 2] = SFR_DATA_8;
print_byte( gpio_last_value[(idx *4) + 3] ^ SFR_DATA_0);
gpio_last_value[(idx *4) + 3] = SFR_DATA_0;
write_char('\n');
}
}
// Show software version
void print_sw_version(void) __banked {
print_string("Software version: " VERSION_SW);
print_string("\nBuild date: " BUILD_DATE);
print_string("\nHardware: ");
print_string(machine.machine_name);
write_char('\n');
}
// Identify command
void cmd_parser(void) __banked
{
#ifdef DEBUG
print_long(ticks);
print_string("Parsing command\n");
print_string_x(&cmd_buffer[0]);
write_char('<'); write_char('\n');
print_string("CMD-words: ");
print_byte(cmd_words_len); write_char(' ');
print_byte(cmd_words_b[0]); write_char(' ');
print_byte(cmd_words_b[1]); write_char(' ');
print_byte(cmd_words_b[2]); write_char(' ');
print_byte(cmd_words_b[3]); write_char(' ');
print_byte(cmd_words_b[4]); write_char(' ');
print_byte(cmd_words_b[5]); write_char(' ');
print_byte(cmd_words_b[6]); write_char('\n');
#endif
if (cmd_words_len >= 1) {
if (cmd_compare(0, "reset")) {
print_string("\nRESET\n\n");
reset_chip();
} else if (cmd_compare(0, "sfp")) {
print_string("\nSlot 1 - Rate: "); print_byte(sfp_read_reg(0, 12));
print_string(" Encoding: "); print_byte(sfp_read_reg(0, 11));
print_string("\n");
sfp_print_info(0);
sfp_print_measurements(0);
if (machine.n_sfp == 2) {
print_string("\nSlot 2 - Rate: "); print_byte(sfp_read_reg(1, 12));
print_string(" Encoding: "); print_byte(sfp_read_reg(1, 11));
print_string("\n");
sfp_print_info(1);
sfp_print_measurements(1);
}
} else if (cmd_compare(0, "stat")) {
port_stats_print();
} else if (cmd_compare(0, "flash") && cmd_words_len == 2) {
uint8_t c = cmd_buffer[cmd_words_b[1]];
if (c == 's') {
print_string("\nSECURITY REGISTERS\n");
// The following will only show something else than 0xff if it was programmed for a managed switch
print_string("Region 1: ");
flash_region.addr = 0x0001000;
flash_region.len = 40;
flash_read_security();
print_string("\nRegion 2: ");
flash_region.addr = 0x0002000;
flash_region.len = 40;
flash_read_security();
print_string("\nRegion 3: ");
flash_region.addr = 0x0003000;
flash_region.len = 40;
flash_read_security();
} else if (c == 'j') {
print_string("\nJEDEC ID\n");
flash_read_jedecid();
} else if (c == 'u') {
print_string("\nUNIQUE ID (note: only 4 bytes are likely correct here!)\n");
flash_read_uid();
}
} else if (cmd_compare(0, "port")) {
parse_port();
} else if (cmd_compare(0, "mtu")) {
parse_mtu();
} else if (cmd_compare(0, "ip")) {
if (cmd_compare(1, "dhcp")) {
dhcp_start();
} else if (cmd_words_len == 1) {
print_string("Current IP: ");
itoa(uip_hostaddr[0]); write_char('.'); itoa(uip_hostaddr[0] >> 8); write_char('.');
itoa(uip_hostaddr[1]); write_char('.'); itoa(uip_hostaddr[1] >> 8);
if (dhcp_state.state == DHCP_LEASING) {
print_string(" (dhcp, renewal in sec: ");
print_short(dhcp_state.dhcp_timer);
write_char(')');
} else {
print_string(" (static)");
}
write_char('\n');
} else {
if (dhcp_state.state)
dhcp_stop();
if (!parse_ip(cmd_words_b[1])) {
uip_ipaddr(&uip_hostaddr, ip[0], ip[1], ip[2], ip[3]);
print_string("Setting ip: ");
itoa(ip[0]); write_char('.'); itoa(ip[1]); write_char('.');
itoa(ip[2]); write_char('.'); itoa(ip[3]); write_char('\n');
} else {
print_string("Invalid IP address\n");
print_string("Error: ip [<ip-address>|dhcp]\n");
print_string(" The dhcp option enables the dhcp client, calling ip without options prints the current IP\n");
print_string(" Calling with a valid IP address will stop any ongoing dhcp client and set the IP address\n");
}
}
} else if (cmd_compare(0, "gw")) {
if (cmd_words_len == 1) {
print_string("Current gw: ");
itoa(uip_draddr[0]); write_char('.'); itoa(uip_draddr[0] >> 8); write_char('.');
itoa(uip_draddr[1]); write_char('.'); itoa(uip_draddr[1] >> 8);
} else {
if (!parse_ip(cmd_words_b[1]))
uip_ipaddr(&uip_draddr, ip[0], ip[1], ip[2], ip[3]);
else
print_string("Invalid IP address\n");
print_string("Setting gw: ");
itoa(ip[0]); write_char('.'); itoa(ip[1]); write_char('.');
itoa(ip[2]); write_char('.'); itoa(ip[3]);
}
write_char('\n');
} else if (cmd_compare(0, "netmask")) {
if (cmd_words_len == 1) {
print_string("Current netmask: ");
itoa(uip_netmask[0]); write_char('.'); itoa(uip_netmask[0] >> 8); write_char('.');
itoa(uip_netmask[1]); write_char('.'); itoa(uip_netmask[1] >> 8);
} else {
if (!parse_ip(cmd_words_b[1]))
uip_ipaddr(&uip_netmask, ip[0], ip[1], ip[2], ip[3]);
else
print_string("Invalid IP address\n");
print_string("Setting netmask: ");
itoa(ip[0]); write_char('.'); itoa(ip[1]); write_char('.');
itoa(ip[2]); write_char('.'); itoa(ip[3]);
}
write_char('\n');
} else if (cmd_compare(0, "l2")) {
if (cmd_compare(1, "forget"))
port_l2_forget();
else
port_l2_learned();
} else if (cmd_compare(0, "igmp")) {
if (cmd_compare(1, "on"))
igmp_enable();
else if (cmd_compare(1, "show"))
igmp_show();
else
igmp_setup(); // Reverts to default with IP-MC being flooded
} else if (cmd_compare(0, "stp")) {
if (cmd_compare(1, "on")) {
print_string("STP enabled\n");
stpEnabled = 1;
stp_setup();
} else {
print_string("STP disabled\n");
stp_off();
stpEnabled = 0;
}
} else if (cmd_compare(0, "pvid") && cmd_words_len == 3) {
__xdata uint16_t pvid;
uint8_t port;
port = cmd_buffer[cmd_words_b[1]] - '1';
port = machine.phys_to_log_port[port];
if (!atoi_short(&pvid, cmd_words_b[2]))
port_pvid_set(port, pvid);
} else if (cmd_compare(0, "vlan")) {
parse_vlan();
} else if (cmd_compare(0, "isolate")) {
parse_isolate();
} else if (cmd_compare(0, "mirror")) {
parse_mirror();
} else if (cmd_compare(0, "lag")) {
parse_lag();
} else if (cmd_compare(0, "laghash")) {
parse_lag_hash();
} else if (cmd_compare(0, "sds")) {
print_reg(RTL837X_REG_SDS_MODES);
write_char('\n');
} else if (cmd_compare(0, "gpio")) {
print_gpio_status();
} else if (cmd_compare(0, "regget")) {
parse_regget();
} else if (cmd_compare(0, "regset")) {
parse_regset();
} else if (cmd_compare(0, "sdsget")) {
parse_sdsget();
} else if (cmd_compare(0, "sdsset")) {
parse_sdsset();
} else if (cmd_compare(0, "phyget")) {
parse_phyget();
} else if (cmd_compare(0, "physet")) {
parse_physet();
} else if (cmd_compare(0, "rnd")) {
parse_rnd();
} else if (cmd_compare(0, "passwd")) {
parse_passwd();
} else if (cmd_compare(0, "eee")) {
parse_eee();
} else if (cmd_compare(0, "bw")) {
parse_bw();
} else if (cmd_compare(0, "version")) {
print_sw_version();
} else if (cmd_compare(0, "time")) {
print_string(" Tick counter: "); print_long(ticks); print_string(" Sec Counter: ");
reg_read_m(RTL837X_REG_SEC_COUNTER);
print_sfr_data();
write_char('\n');
} else if (cmd_compare(0, "history")) {
__xdata uint16_t p = (cmd_history_ptr + 1) & CMD_HISTORY_MASK;
__xdata uint8_t found_begin = 0;
// print_string("History ptr: ");
// print_short(cmd_history_ptr); write_char('\n');
while (p != cmd_history_ptr) {
// print_short(p); write_char(' ');
if (!cmd_history[p] || cmd_history[p] == '\n')
found_begin = 1;
if (found_begin && cmd_history[p])
write_char(cmd_history[p]);
p = (p + 1) & CMD_HISTORY_MASK;
}
} else if (cmd_compare(0, "ingress")) {
parse_ingress();
}
else {
print_string("Unknown command\n");
}
if (save_cmd && cmd_words_len) {
// Find end of the cmd-buffer, looking for the NULL-byte.
uint8_t i = cmd_words_b[cmd_words_len - 1];
do {
i++;
} while(cmd_buffer[i] != '\0');
// Copy last cmd-buffer to history.
cmd_history_ptr = (cmd_history_ptr + i) & CMD_HISTORY_MASK;
__xdata uint16_t p = cmd_history_ptr;
cmd_history[cmd_history_ptr++] = '\n';
do {
i--;
cmd_history[--p & CMD_HISTORY_MASK] = cmd_buffer[i];
} while (i);
}
}
}
void clear_command_history(void) __banked
{
for (cmd_history_ptr = 0; cmd_history_ptr < CMD_HISTORY_SIZE; cmd_history_ptr++)
cmd_history[cmd_history_ptr] = 0;
cmd_history_ptr = 0;
return;
}
#define FLASH_READ_BURST_SIZE 0x100
#define PASSWORD "1234"
#if CONFIG_LEN % FLASH_READ_BURST_SIZE
#error "CONFIG_LEN not a multiple of FLASH_READ_BURST_SIZE"
#endif
void execute_config(void) __banked
{
__xdata uint32_t pos = CONFIG_START;
__xdata uint8_t pages_left = CONFIG_LEN / FLASH_READ_BURST_SIZE;
// Set default password, it can be overwritten in the configuration file
strtox(passwd, PASSWORD);
save_cmd = 0;
uint8_t cmd_idx = 0;
do {
flash_region.addr = pos;
flash_region.len = FLASH_READ_BURST_SIZE;
flash_read_bulk(flash_buf);
__xdata uint8_t cfg_idx = 0;
uint8_t c = 0;
do {
if (cmd_idx >= (CMD_BUF_SIZE - 1)) {
cmd_buffer[cmd_idx] = '\0';
print_string("ERROR: Command too long: ");
print_string_x(cmd_buffer);
write_char('\n');
err_status = ERR_CMD_TOO_LONG;
goto config_done;
}
c = flash_buf[cfg_idx++];
if (c == 0 || c == '\n') {
cmd_buffer[cmd_idx] = '\0';
if (cmd_idx && !cmd_tokenize()) {
cmd_parser();
if (err_status)
goto config_done;
}
if (c == 0)
goto config_done;
cmd_idx = 0;
continue;
}
cmd_buffer[cmd_idx] = c;
cmd_idx++;
} while (cfg_idx);
pages_left--;
pos += FLASH_READ_BURST_SIZE;
} while(pages_left);
config_done:
// Start saving commands to cmd_history
clear_command_history();
save_cmd = 1;
}
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