r8152: add help function to change mtu
authorHayes Wang <hayeswang@realtek.com>
Fri, 16 Apr 2021 08:04:34 +0000 (16:04 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 16 Apr 2021 22:28:31 +0000 (15:28 -0700)
commit67ce1a806f164e59a074fea8809725d3411eaa20
treefaf889a28917ada5bc62c3343161ab0d00e373c9
parenta8a7be178e81a3d4b6972cbeb0ccd091ca2f9f89
r8152: add help function to change mtu

The different chips may have different requests when changing mtu.
Therefore, add a new help function of rtl_ops to change mtu. Besides,
reset the tx/rx after changing mtu.

Additionally, add mtu_to_size() and size_to_mtu() macros to simplify
the code.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/r8152.c