[lwip-users] LWIP 2.0.3 data frame missing

[Alex Borga]

Hi,

please get focus to the following issue:

• Application get to send message of 947 bytes
• lwip_send() sent the first frame of 536 data bytes
• no next frame for the 411 data bytes remaining is sent

Thanks for the supporting.

alex_b

+-------------------------+

| FRAME TO SEND 947 bytes |

+-------------------------+

==== LWIP log msg ====

ssend(0, data="" sizlcp_output: nothing to send (0x0) 947, flags=0x0)

tcp_output: nothing to send (0x0)

tcp_output: snd_wnd 65225, cwnd 2278, wnd 2278, seg == NULL, ack 6714

tcp_write(pcb=0x2201e7d4, data="" len=947, apiflags=1)

tcp_write: queuelen: 0

tcp_write: queueing 6714:7250

tcp_write: queueing 7250:7661

tcp_write: 2 (after enqueued)

tcp_output: snd_wnd 65225, cwnd 2278, wnd 2278, effwnd 536, seq 6714, ack 6714

tcp_output: snd_wnd 65225, cwnd 2278, wnd 2278, effwnd 536, seq 6714, ack 6714, i 0

tcp_output_segment: rtseq 6714

tcp_output_segment: 6714:7250

lwip_send(0) err=0 written=947

==== WIRESHARK logWS.json ====

"data": {

  "data.data": "03:b1:12:34:56:78:00:00:02:11:01:23:45:00:00:00:00:09:28:18:16:00:20:00:00:02:00:00:21:00:00:01:80:00:39:30:38:df:0c:82:01:00:83:a3:40:27:e8:6b:7f:c3:c2:88:ae:45:9e:e1:8d:35:54:10:78:1a:31:b8:b9:8c:46:62:d0:e1:16:84:cf:8b:2d:3c:f2:87:2a:eb:e8:cb:9d:50:a4:f0:dc:8a:a9:0a:07:56:95:88:20:52:dd:df:89:96:f2:af:4f:e7:7c:ff:e1:9c:7b:6e:e9:9f:63:8d:2f:75:11:f4:be:59:5d:1d:73:45:c2:d1:eb:de:cc:3f:77:c7:af:5e:ce:06:b6:33:40:f4:3c:6b:5f:67:da:cd:94:43:2d:b0:62:e1:1c:5b:2c:9a:72:cb:bd:4f:e5:93:50:dc:28:b4:76:e5:b7:31:47:a3:bf:8f:04:d0:15:b6:91:a7:9f:39:64:99:18:3e:83:3d:0b:53:89:dd:fe:d0:a7:4f:c5:95:5c:29:e6:9e:d1:31:e4:d7:f9:72:5c:ce:7b:2b:67:0a:d8:ad:4a:ef:7f:dd:eb:8b:4c:ce:bc:51:d4:26:dc:7a:8a:01:6f:6c:fc:98:c7:ec:37:60:4a:a5:4b:69:2e:17:62:c1:00:42:d7:6b:0d:f5:04:40:fb:ca:0f:c3:2e:79:3b:09:12:a0:53:8c:1a:91:71:ea:b4:07:f8:e9:b2:4f:21:ae:7c:f1:82:79:9f:72:93:3d:45:d6:f9:45:6d:dc:f8:e7:78:c0:df:0e:82:01:00:13:54:39:d1:2d:1c:dd:98:8f:4e:c1:66:47:2e:06:e6:8c:45:06:40:b9:bb:26:42:9f:eb:e5:ee:58:ea:d8:11:12:58:07:c4:90:8e:bf:2e:a8:93:9d:d3:eb:9b:74:4a:02:6a:e4:4e:7f:b0:4d:e1:4f:b6:ef:01:1c:33:20:ce:48:7a:60:e0:7d:a3:a8:f3:75:e2:8e:03:28:b9:db:dd:ba:4d:13:20:f5:0a:92:6e:ba:a8:12:5d:f4:6a:20:3b:ed:7a:a2:41:a4:55:52:7f:40:f2:66:c8:4f:9e:11:f6:9f:c0:4a:f5:c7:de:b5:f8:65:24:71:26:6b:69:d9:17:1a:90:68:3f:55:b5:7b:67:f7:ff:27:d7:4e:67:f3:df:d7:60:4f:60:11:ff:f2:e3:ff:65:97:56:6d:91:c8:a0:30:34:e7:94:6f:1d:54:79:62:e8:46:39:01:9b:eb:48:0c:c6:c0:5d:f4:b8:26:6d:4a:f6:7f:2e:b2:33:cc:18:32:ac:14:e7:8a:f8:d0:95:d0:ef:9e:72:87:87:97:a1:70:e6:8e:27:70:c6:d4:cb:05:40:0a:04:eb:4d:49:03:6a:c1:82:76:d5:3a:80:a3:f2",

  "data.len": "536"

}

missing frame of the 411 data bytes remaining

logWS.json
Description: logWS.json