Hi Florent!
Yes it is possible... here's an example:
tshark -qz plen,tree -r mm1_mm1.cap
===================================================================
Packet Lengths value rate percent
-------------------------------------------------------------------
Packet Lengths 2039 0.011131
0-19 0 0.000000 0.00%
20-39 0 0.000000 0.00%
40-79 990 0.005404 48.55%
80-159 21 0.000115 1.03%
160-319 57 0.000311 2.80%
320-639 73 0.000398 3.58%
640-1279 22 0.000120 1.08%
1280-2559 876 0.004782 42.96%
2560-5119 0 0.000000 0.00%
5120- 0 0.000000 0.00%
===================================================================
Regards,
Abhik.