apps/ make changes + SLIP MTU notes
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3381 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
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@ -36,6 +36,6 @@
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define REGISTER
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@echo "Register: $1"
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@echo "{ .name = $1, .priority = $2, .stacksize = $3, .main = $4 }," >> ../exec_nuttapp_list.h
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@echo "{ .name = \"$1\", .priority = $2, .stacksize = $3, .main = $4 }," >> ../exec_nuttapp_list.h
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@echo "EXTERN int $4(int argc, char *argv[]);" >> ../exec_nuttapp_proto.h
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endef
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@ -87,7 +87,7 @@ $(BIN): $(OBJS)
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.depend: Makefile $(SRCS)
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@$(MKDEP) $(ROOTDEPPATH) \
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$(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
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$(call REGISTER, $(APPNAME), $(PRIORITY), $(STACKSIZE), $(APPNAME)_main)
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$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
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@touch $@
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# Register application
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@ -87,7 +87,7 @@ $(BIN): $(OBJS)
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.depend: Makefile $(SRCS)
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@$(MKDEP) $(ROOTDEPPATH) \
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$(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
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$(call REGISTER, $(APPNAME), $(PRIORITY), $(STACKSIZE), $(APPNAME)_main)
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$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
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@touch $@
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# Register application
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19
nuttx/TODO
19
nuttx/TODO
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@ -309,13 +309,18 @@ o Network (net/, drivers/net)
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function so that little of this incompatibilities need be exposed.
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Description: The SLIP driver (drivers/net/slip.c) has had only the most superficial
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testing. The main issue is the I haven't yet gotten a dual UART Linux
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configuration that supports SLIP (I need one UART for SLIP and one for
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the serial debug console). A second issue is that SLIP requires
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hardware handshake and that has not been implemented in the UART
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drivers on most platforms. It might be possible to use a special
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cable to bypass the handshaking (but which may also result in data
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overrun errors).
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testing. Issues/Notes:
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(1) The main issue is the I haven't yet gotten a dual UART Linux
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configuration that supports SLIP (I need one UART for SLIP and
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one for the serial debug console).
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(2) A second issue is that SLIP requires hardware handshake and
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that has not been implemented in the UART drivers on most platforms.
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It might be possible to use a special cable to bypass the handshaking.
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Tiy might also try the slattach' option -L which is supposed to
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enable "3-wire operation." Either action which may also result in
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data overrun errors).
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(3) Finally, the Linux slip driver is hard-coded to use an MTU of 296
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so setting CONFIG_NET_BUFSIZE to a 296 is also advised.
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Status: Open
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Priority: Medium
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@ -816,16 +816,15 @@ Where <subdir> is one of the following:
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This should create an interface with a name like sl0, or sl1, etc.
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Add -d to get debug output. This will show the interface name.
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NOTE: The Linux slip module hard-codes its MTU size to 296. So you
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might as well set CONFIG_NET_BUFSIZE to 296 as well.
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4. After turning over the line to the SLIP driver, you must configure
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the network interface. Again, you do this using the standard
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ifconfig and route commands. Assume that we have connected to a
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host PC with address 192.168.0.101 from your target with address
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10.0.0.2. On the Linux PC you would execute the following as root:
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$ ifconfig sl0 10.0.0.2/24 up
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Or maybe,
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$ ifconfig sl0 10.0.0.1 pointopoint 10.0.0.2 up
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$ route add 10.0.0.2 dev sl0
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@ -835,6 +834,10 @@ Where <subdir> is one of the following:
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$ tcpdump -n -nn -i sl0 -x -X -s 1500
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NOTES: Only UART1 supports the hardware handshake. If hardware
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handshake is not available, then you might try the slattach option
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-L which is supposed to enable "3-wire operation."
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thttpd:
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This builds the THTTPD web server example using the THTTPD and
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the examples/thttpd application.
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@ -552,7 +552,7 @@ CONFIG_NET_MULTIBUFFER=y
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CONFIG_NET_IPv6=n
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CONFIG_NSOCKET_DESCRIPTORS=16
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CONFIG_NET_SOCKOPTS=y
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CONFIG_NET_BUFSIZE=420
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CONFIG_NET_BUFSIZE=296
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CONFIG_NET_TCP=y
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CONFIG_NET_TCP_CONNS=16
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CONFIG_NET_NTCP_READAHEAD_BUFFERS=8
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@ -67,6 +67,11 @@
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* Pre-processor Definitions
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****************************************************************************/
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/* NOTE: Slip requires UART hardware handshake. If hardware handshake is
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* not available with your UART, then you might try the 'slattach' option
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* -L which is supposed to enable "3-wire operation."
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*/
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/* Configuration ************************************************************/
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#if UIP_LLH_LEN > 0
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@ -85,6 +90,14 @@
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# define CONFIG_SLIP_DEFPRIO 128
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#endif
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/* The Linux slip module hard-codes its MTU size to 296. So you
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might as well set CONFIG_NET_BUFSIZE to 296 as well.
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#if CONFIG_NET_BUFSIZE < 296
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# error "CONFIG_NET_BUFSIZE >= 296 is required"
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#elif CONFIG_NET_BUFSIZE > 296
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# warning "CONFIG_NET_BUFSIZE == 296 is optimal"
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#endif
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/* SLIP special character codes *******************************************/
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#define SLIP_END 0300 /* Indicates end of packet */
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