Hi,
Yes netif->linkoutput is called and netconn_write returns ERR_OK!
Here is an output before and after tx:
before tx
LINK
xmit: 7
recv: 10
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
ETHARP
xmit: 3
recv: 3
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 1
IP
xmit: 3
recv: 7
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
ICMP
xmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
UDP
xmit: 2
recv: 4
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 1
TCP
xmit: 1
recv: 3
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
MEM HEAP
avail: 6000
used: 1204
max: 1204
err: 0
MEM UDP_PCB
avail: 5
used: 2
max: 2
err: 0
MEM TCP_PCB
avail: 15
used: 1
max: 1
err: 0
MEM TCP_PCB_LISTEN
avail: 7
used: 1
max: 1
err: 0
MEM TCP_SEG
avail: 12
used: 0
max: 1
err: 0
MEM NETBUF
avail: 4
used: 1
max: 1
err: 0
MEM NETCONN
avail: 8
used: 2
max: 2
err: 0
MEM TCPIP_MSG_API
avail: 8
used: 0
max: 1
err: 0
MEM TCPIP_MSG_INPKT
avail: 8
used: 0
max: 1
err: 0
MEM ARP_QUEUE
avail: 30
used: 0
max: 1
err: 0
MEM SYS_TIMEOUT
avail: 15
used: 9
max: 9
err: 0
MEM NETDB
avail: 1
used: 0
max: 0
err: 0
MEM PPP_PCB
avail: 1
used: 0
max: 0
err: 0
MEM PBUF_REF/ROM
avail: 20
used: 0
max: 0
err: 0
MEM PBUF_POOL
avail: 30
used: 0
max: 0
err: 0
SYS
sem.used: 9
sem.max: 9
sem.err: 0
mutex.used: 2
mutex.max: 2
mutex.err: 0
mbox.used: 6
mbox.max: 6
mbox.err: 0
err=0
err=0
Turning On GSM...
LINK
xmit: 11
recv: 13
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
ETHARP
xmit: 3
recv: 4
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 4
IP
xmit: 7
recv: 9
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
ICMP
xmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
UDP
xmit: 2
recv: 4
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 1
TCP
xmit: 3
recv: 5
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
MEM HEAP
avail: 6000
used: 1364
max: 1852
err: 0
MEM UDP_PCB
avail: 5
used: 2
max: 2
err: 0
MEM TCP_PCB
avail: 15
used: 1
max: 1
err: 0
MEM TCP_PCB_LISTEN
avail: 7
used: 1
max: 1
err: 0
MEM TCP_SEG
avail: 12
used: 2
max: 2
err: 0
MEM NETBUF
avail: 4
used: 1
max: 1
err: 0
MEM NETCONN
avail: 8
used: 2
max: 2
err: 0
MEM TCPIP_MSG_API
avail: 8
used: 0
max: 1
err: 0
MEM TCPIP_MSG_INPKT
avail: 8
used: 0
max: 1
err: 0
MEM ARP_QUEUE
avail: 30
used: 0
max: 1
err: 0
MEM SYS_TIMEOUT
avail: 15
used: 9
max: 9
err: 0
MEM NETDB
avail: 1
used: 0
max: 0
err: 0
MEM PPP_PCB
avail: 1
used: 0
max: 0
err: 0
MEM PBUF_REF/ROM
avail: 20
used: 2
max: 2
err: 0
MEM PBUF_POOL
avail: 30
used: 0
max: 0
err: 0
SYS
sem.used: 9
sem.max: 9
sem.err: 0
mutex.used: 2
mutex.max: 2
mutex.err: 0
mbox.used: 6
mbox.max: 6
mbox.err: 0
GSM Modem On
Regards,
Nick
From: Bill Auerbach
Sent: Monday, May 13, 2013 11:53 PM
To: 'Mailing list for lwIP users'
Subject: Re: [lwip-users] NETCONN_NOCOPY not sending
Hello,
So, NETCONN_COPY works but NETCONN_NOCOPY doesn’t? Is it trying to send data -
is your netif->linkoutput function being called? Did you check return codes
from lwIP functions? I suggest turning on LWIP_DEBUGs and see if any errors are
reported. Also, print the lwip stats after an attempt to send.
Bill
From: lwip-users-bounces+bauerbach=arrayonline....@nongnu.org
[mailto:lwip-users-bounces+bauerbach=arrayonline....@nongnu.org] On Behalf Of
Nikolas Karakotas
Sent: Sunday, May 12, 2013 1:45 AM
To: Mailing list for lwIP users
Subject: Re: [lwip-users] NETCONN_NOCOPY not sending
Hello,
I would like some help with this issue I'm facing. I want to use static pages
to serve over the httpd server but when I use NETCONN_NOCPY it doesn’t seem to
work.
Nothing is sent. I cant seem to track this issue Can someone direct me where to
look?
Nick
From: Nikolas Karakotas
Sent: Sunday, May 05, 2013 6:41 PM
To: Mailing list for lwIP users
Subject: [lwip-users] NETCONN_NOCOPY not sending
Hi,
Im trying to send data with NETCONN_NOCOPY but I cant get it to work only with
NETCONN_COPY.
What could be causing this problem?
Regards,
Nick
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