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PPP support (TCP broken)

This commit is contained in:
Sebastien Bourdeauducq 2015-06-27 23:02:43 +02:00 committed by Robert Jordens
parent 063e88d75a
commit dc709a77b8
6 changed files with 85 additions and 121 deletions

View File

@ -1,42 +0,0 @@
import logging
import serial
import struct
from artiq.coredevice.comm_generic import CommGeneric
logger = logging.getLogger(__name__)
class Comm(CommGeneric):
def __init__(self, dmgr, serial_dev, baud_rate=115200):
super().__init__()
self.serial_dev = serial_dev
self.baud_rate = baud_rate
def open(self):
if hasattr(self, "port"):
return
self.port = serial.serial_for_url(self.serial_dev,
baudrate=self.baud_rate)
self.reset_session()
def close(self):
if not hasattr(self, "port"):
return
self.port.close()
del self.port
def read(self, length):
result = bytes()
while len(result) < length:
result += self.port.read(length - len(result))
return result
def write(self, data):
remaining = len(data)
pos = 0
while remaining:
written = self.port.write(data[pos:])
remaining -= written
pos += written

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@ -32,8 +32,33 @@ CORE4FILES=core/ipv4/icmp.c \
# NETIFFILES: Files implementing various generic network interface functions.
NETIFFILES=netif/etharp.c
PPPFILES=netif/ppp/auth.c \
netif/ppp/ccp.c \
netif/ppp/chap-md5.c \
netif/ppp/chap_ms.c \
netif/ppp/chap-new.c \
netif/ppp/demand.c \
netif/ppp/eap.c \
netif/ppp/ecp.c \
netif/ppp/eui64.c \
netif/ppp/fsm.c \
netif/ppp/ipcp.c \
netif/ppp/ipv6cp.c \
netif/ppp/lcp.c \
netif/ppp/magic.c \
netif/ppp/mppe.c \
netif/ppp/multilink.c \
netif/ppp/ppp.c \
netif/ppp/pppcrypt.c \
netif/ppp/pppoe.c \
netif/ppp/pppol2tp.c \
netif/ppp/pppos.c \
netif/ppp/upap.c \
netif/ppp/utils.c \
netif/ppp/vj.c
# LWIPFILES: All the above.
LWIPFILES=$(COREFILES) $(CORE4FILES) $(NETIFFILES)
LWIPFILES=$(COREFILES) $(CORE4FILES) $(NETIFFILES) $(PPPFILES)
LWIPOBJS:=$(LWIPFILES:.c=.o) liteethif.o
@ -46,6 +71,7 @@ prepare:
ln -s $(LIBLWIP_DIRECTORY)/arch arch
mkdir -p core/ipv4
mkdir -p netif
mkdir -p netif/ppp
core/%.o: $(LWIPDIR)/core/%.c
$(compile)
@ -56,6 +82,9 @@ core/ipv4/%.o: $(LWIPDIR)/core/ipv4/%.c
netif/%.o: $(LWIPDIR)/netif/%.c
$(compile)
netif/ppp/%.o: $(LWIPDIR)/netif/ppp/%.c
$(compile)
%.o: $(LIBLWIP_DIRECTORY)/%.c
$(compile)

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@ -181,4 +181,10 @@ a lot of data that needs to be copied, this should be set high. */
#define SYS_STATS
#endif /* STATS */
/* ---------- PPP ---------- */
#define PPP_SUPPORT 1
#define PPPOS_SUPPORT 1
#define PPP_IPV4_SUPPORT 1
#endif /* __LWIPOPTS_H__ */

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@ -8,7 +8,6 @@
#include <generated/csr.h>
#include <hw/flags.h>
#ifdef CSR_ETHMAC_BASE
#include <lwip/init.h>
#include <lwip/memp.h>
#include <lwip/ip4_addr.h>
@ -17,8 +16,13 @@
#include <lwip/sys.h>
#include <lwip/tcp.h>
#include <lwip/timers.h>
#ifdef CSR_ETHMAC_BASE
#include <netif/etharp.h>
#include <liteethif.h>
#else
#include <netif/ppp/ppp.h>
#include <netif/ppp/pppos.h>
#include <lwip/sio.h>
#endif
#include "bridge_ctl.h"
@ -32,24 +36,40 @@
#include "analyzer.h"
#include "moninj.h"
#ifdef CSR_ETHMAC_BASE
u32_t sys_now(void)
{
return clock_get_ms();
}
u32_t sys_jiffies(void)
{
return clock_get_ms();
}
static struct netif netif;
#ifndef CSR_ETHMAC_BASE
static ppp_pcb *ppp;
#endif
static void lwip_service(void)
{
sys_check_timeouts();
#ifdef CSR_ETHMAC_BASE
if(ethmac_sram_writer_ev_pending_read() & ETHMAC_EV_SRAM_WRITER) {
liteeth_input(&netif);
ethmac_sram_writer_ev_pending_write(ETHMAC_EV_SRAM_WRITER);
}
#else
if(uart_read_nonblock()) {
u8_t c;
c = uart_read();
pppos_input(ppp, &c, 1);
}
#endif
}
#ifdef CSR_ETHMAC_BASE
unsigned char macadr[6];
static int hex2nib(int c)
@ -128,6 +148,31 @@ static void network_init(void)
netif_set_up(&netif);
netif_set_link_up(&netif);
}
#else /* CSR_ETHMAC_BASE */
static void ppp_status_cb(ppp_pcb *pcb, int err_code, void *ctx)
{
}
u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
{
int i;
for(i=0;i<len;i++)
uart_write(data[i]);
return len;
}
static void network_init(void)
{
ppp = pppos_create(&netif, NULL, ppp_status_cb, NULL);
ppp_set_auth(ppp, PPPAUTHTYPE_NONE, "", "");
ppp_set_default(ppp);
ppp_connect(ppp, 0);
}
#endif /* CSR_ETHMAC_BASE */
static struct net_server_instance session_inst = {
.port = 1381,
@ -153,7 +198,7 @@ static struct net_server_instance analyzer_inst = {
static void regular_main(void)
{
puts("Accepting sessions on Ethernet.");
puts("Accepting sessions on Network.");
network_init();
net_server_init(&session_inst);
#ifdef CSR_RTIO_ANALYZER_BASE
@ -170,69 +215,6 @@ static void regular_main(void)
}
}
#else /* CSR_ETHMAC_BASE */
static void reset_serial_session(int signal)
{
int i;
session_end();
if(signal) {
/* Signal end-of-session inband with zero length packet. */
for(i=0;i<4;i++)
uart_write(0x5a);
for(i=0;i<4;i++)
uart_write(0x00);
}
session_start();
}
static void serial_service(void)
{
char *txdata;
int txlen;
static char rxdata;
static int rxpending;
int r, i;
if(!rxpending && uart_read_nonblock()) {
rxdata = uart_read();
rxpending = 1;
}
if(rxpending) {
r = session_input(&rxdata, 1);
if(r > 0)
rxpending = 0;
if(r < 0)
/* do not signal if reset was requested by host */
reset_serial_session(r != -2);
}
session_poll((void **)&txdata, &txlen);
if(txlen > 0) {
for(i = 0; i < txlen; i++)
uart_write(txdata[i]);
session_ack_consumed(txlen);
session_ack_sent(txlen);
} else if(txlen < 0) {
reset_serial_session(1);
}
}
static void regular_main(void)
{
puts("Accepting sessions on serial link.");
/* Open the session for the serial control. */
session_start();
while(1) {
kloader_service_essential_kmsg();
serial_service();
}
}
#endif
static void blink_led(void)
{
int i;

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@ -1,8 +1,5 @@
#include <generated/csr.h>
#ifdef CSR_ETHMAC_BASE
#include <netif/etharp.h>
#include <lwip/init.h>
#include <lwip/memp.h>
#include <lwip/ip4_addr.h>
@ -152,5 +149,3 @@ void moninj_init(void)
udp_bind(listen_pcb, IP_ADDR_ANY, 3250);
udp_recv(listen_pcb, moninj_recv, NULL);
}
#endif /* CSR_ETHMAC_BASE */

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@ -1,7 +1,5 @@
#include <generated/csr.h>
#ifdef CSR_ETHMAC_BASE
#include <lwip/init.h>
#include <lwip/memp.h>
#include <lwip/ip4_addr.h>
@ -10,8 +8,6 @@
#include <lwip/sys.h>
#include <lwip/tcp.h>
#include <lwip/timers.h>
#include <netif/etharp.h>
#include <liteethif.h>
#include "net_server.h"
@ -227,5 +223,3 @@ void net_server_service(void)
pcb = pcb->next;
}
}
#endif /* CSR_ETHMAC_BASE */