pbuf_remove_header: old 0x3ffed832 new 0x3ffed846 (20)
TCP header:
+-------------------------------+
|    43858      |     1989      | (src port, dest port)
+-------------------------------+
|           3188347345          | (seq no)
+-------------------------------+
|           0000000000          | (ack no)
+-------------------------------+
| 10 |   |000010|     29200     | (hdrlen, flags (SYN
), win)
+-------------------------------+
|    0x6de3     |         0     | (chksum, urgp)
+-------------------------------+
inet_chksum_pseudo(): checksumming pbuf 0x3ffef1c8 (has next 0)
inet_chksum_pseudo(): pbuf chain lwip_chksum()=ffff
pbuf_remove_header: old 0x3ffed846 new 0x3ffed86e (40)
tcp_input: packed for LISTENing connection.
TCP connection request 43858 -> 1989.
sys_timeout: 0x3fff3658 msecs=250 handler=tcpip_tcp_timer arg=0
tcp_parseopt: MSS
tcp_parseopt: SACK_PERM
tcp_parseopt: TS
tcp_parseopt: NOP
tcp_parseopt: other
pbuf_alloc(length=20)
pbuf_alloc(length=20) == 0x3fff35c8
pbuf_add_header: old 0x3fff3638 new 0x3fff3624 (20)
inet_chksum_pseudo(): checksumming pbuf 0x3fff35c8 (has next 0)
inet_chksum_pseudo(): pbuf chain lwip_chksum()=17bc
pbuf_add_header: old 0x3fff3624 new 0x3fff3610 (20)
ip4_output_if: en0
IP header:
+-------------------------------+
| 4 | 5 |  0x00 |        60     | (v, hl, tos, len)
+-------------------------------+
|        5      |000|       0   | (id, flags, offset)
+-------------------------------+
|  255  |    6  |    0x37d8     | (ttl, proto, chksum)
+-------------------------------+
|  192  |  168  |    1  |  132  | (src)
+-------------------------------+
|  192  |  168  |    1  |   10  | (dest)
+-------------------------------+
ip4_output_if: call netif->output()
pbuf_add_header: old 0x3fff3610 new 0x3fff3602 (14)
pbuf_free(0x3ffef1c8)
pbuf_free: deallocating 0x3ffef1c8
sct calling h=cyclic_timer arg=0x40220304
tcpip: ip_reass_tmr()
sys_timeout: 0x3ffeee20 msecs=1000 handler=cyclic_timer arg=0x40220304
sct calling h=cyclic_timer arg=0x40220334
tcpip: igmp_tmr()
sys_timeout: 0x3ffeede0 msecs=100 handler=cyclic_timer arg=0x40220334
sct calling h=cyclic_timer arg=0x40220310
tcpip: etharp_tmr()
sys_timeout: 0x3ffeedf8 msecs=1000 handler=cyclic_timer arg=0x40220310
sct calling h=cyclic_timer arg=0x40220340
tcpip: pbuf_free(0x3fff35c8)
pbuf_free: 0x3fff35c8 has ref 1, ending here.
dns_tmr()
dns_tmr: dns_check_entries
sys_timeout: 0x3ffef1a8 msecs=1000 handler=cyclic_timer arg=0x40220340
tcpip_thread: PACKET 0x3ffef1c8
pbuf_remove_header: old 0x3ffed1e0 new 0x3ffed1ee (14)
ip_input: iphdr->dest 0x8401a8c0 netif->ip_addr 0x8401a8c0 (0x1a8c0, 0x1a8c0, 0x84000000)
ip4_input: packet accepted on interface en
ip4_input:
IP header:
+-------------------------------+
| 4 | 5 |  0x00 |        52     | (v, hl, tos, len)
+-------------------------------+
|     4224      |010|       0   | (id, flags, offset)
+-------------------------------+
|   64  |    6  |    0xa665     | (ttl, proto, chksum)
+-------------------------------+
|  192  |  168  |    1  |   10  | (src)
+-------------------------------+
|  192  |  168  |    1  |  132  | (dest)
+-------------------------------+
ip4_input: p->len 52 p->tot_len 52
pbuf_remove_header: old 0x3ffed1ee new 0x3ffed202 (20)
TCP header:
+-------------------------------+
|    43858      |     1989      | (src port, dest port)
+-------------------------------+
|           3188347346          | (seq no)
+-------------------------------+
|           0000006511          | (ack no)
+-------------------------------+
|  8 |   |010000|     29200     | (hdrlen, flags (ACK
), win)
+-------------------------------+
|    0x146b     |         0     | (chksum, urgp)
+-------------------------------+
inet_chksum_pseudo(): checksumming pbuf 0x3ffeee78 (has next 0)
inet_chksum_pseudo(): pbuf chain lwip_chksum()=ffff
pbuf_remove_header: old 0x3ffed202 new 0x3ffed222 (32)
+-+-+-+-+-+-+-+-+-+-+-+-+-+- tcp_input: flags ACK
-+-+-+-+-+-+-+-+-+-+-+-+-+-+
State: SYN_RCVD
tcp_parseopt: NOP
tcp_parseopt: NOP
tcp_parseopt: TS
TCP connection established 43858 -> 1989.
accept_function: newpcb->state: ESTABLISHED
tcp_receive: ACK for 6511, unacked->seqno 6510:6511
tcp_receive: removing 6510:6511 from pcb->unacked
pbuf_free(0x3fff35c8)
pbuf_free: deallocating 0x3fff35c8
State: ESTABLISHED
pbuf_free(0x3ffeee78)
pbuf_free: deallocating 0x3ffeee78
sct calling h=cyclic_timer arg=0x40220328
tcpip: dhcp_fine_tmr()
sys_timeout: 0x3ffeedc0 msecs=500 handler=cyclic_timer arg=0x40220328
sct calling h=cyclic_timer arg=0x40220334
tcpip: igmp_tmr()
sys_timeout: 0x3ffeede0 msecs=100 handler=cyclic_timer arg=0x40220334
sct calling h=tcpip_tcp_timer arg=0
tcp_slowtmr: processing active pcb
sys_timeout: 0x3ffeee78 msecs=250 handler=tcpip_tcp_timer arg=0
lwip_selscan: fd=3 ready for reading
lwip_select: nready=1
select()=1
--> in con loop 0
--> in con loop 1
--> in con loop 2
--> in con loop 3
--> 3 is set!
Accept connection 3 on ch 1
lwip_accept(3)...
lwip_accept(3) returning new sock=4 addr=192.168.1.10 port=43858
Socket 4, channel 1: established connection from 192.168.1.10.
lwip_close(3)
tcp_close: closing in State: LISTEN
Accepted
Raised
.lwip_select(5, 0x3fff9470, 0, 0, tvsec=1 tvusec=0)
Recv msg, evt=5
Serial recvd 5 bytes.
CmdRequest: 20
Sending 5 bytes
Fatal exception (9):