CVS commit: [netbsd-10] src/sys/dev/pci

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Fri Feb 23 18:54:36 UTC 2024

Modified Files:
        src/sys/dev/pci [netbsd-10]: if_wm.c if_wmreg.h

Log Message:
Pull up following revision(s) (requested by msaitoh in ticket #607):

        sys/dev/pci/if_wm.c: revision 1.795
        sys/dev/pci/if_wm.c: revision 1.796
        sys/dev/pci/if_wm.c: revision 1.797
        sys/dev/pci/if_wmreg.h: revision 1.131

wm(4): Add RQDPC(Receive Queue Drop Packet Count) to iqdrops.

 The iqdrops counter should include not only MPC(Missed Packet Count)
but also RQDPC(Receive Queue Drop Packet Count). Same as ixgbe(4) and igc(4).

 Note that the RQDPC is not currently counted because SRRCTL_DROP_EN
is not set.

wm(4): Drop frames if the RX descriptor ring has no room on multiqueue system.

 Drop frames if the RX descriptor ring has no room. This is enabled only on
multiqueue system to avoid bad influence to other queues. The drop count
can be seen by the RQDPC counter (wmN rxqXXdrop evcnt).

wm(4): Fix compile error without WM_EVENT_COUNTERS.


To generate a diff of this commit:
cvs rdiff -u -r1.767.2.7 -r1.767.2.8 src/sys/dev/pci/if_wm.c
cvs rdiff -u -r1.128.2.1 -r1.128.2.2 src/sys/dev/pci/if_wmreg.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.