Vincenzo Maffione f92bb8c19a bhyve: enable virtio-net mergeable rx buffers for tap(4) ... This patch adds a new netbe_peek_recvlen() function to the net backend API. The new function allows the virtio-net receive code to know in advance how many virtio descriptors chains will be needed to receive the next packet. As a result, the implementation of the virtio-net mergeable rx buffers feature becomes efficient, so that we can enable it also with the tap(4) backend. For the tap(4) backend, a bounce buffer is introduced to implement the peeck_recvlen() callback, which implies an additional packet copy on the receive datapath. In the future, it should be possible to remove the bounce buffer (and so the additional copy), by obtaining the length of the next packet from kevent data. Reviewed by: grehan, aleksandr.fedorov@itglobal.com MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D23472		2020-02-20 21:07:23 +00:00
..
acpi.c
acpi.h
ahci.h
atkbdc.c
atkbdc.h
audio.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
audio.h
bhyve.8	Support software breakpoints in the debug server on Intel CPUs.	2019-12-13 19:21:58 +00:00
bhyvegc.c
bhyvegc.h
bhyverun.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
bhyverun.h
block_if.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
block_if.h
bootrom.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
bootrom.h
console.c
console.h
consport.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
dbgport.c
dbgport.h
debug.h	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
fwctl.c
fwctl.h
gdb.c	Support software breakpoints in the debug server on Intel CPUs.	2019-12-13 19:21:58 +00:00
gdb.h	Support software breakpoints in the debug server on Intel CPUs.	2019-12-13 19:21:58 +00:00
hda_codec.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
hda_reg.h
hdac_reg.h
inout.c
inout.h
ioapic.c
ioapic.h
iov.c	bhyve: enable virtio-net mergeable rx buffers for tap(4)	2020-02-20 21:07:23 +00:00
iov.h	bhyve: enable virtio-net mergeable rx buffers for tap(4)	2020-02-20 21:07:23 +00:00
Makefile
Makefile.depend	Update Makefile.depend files	2019-12-11 17:37:53 +00:00
Makefile.depend.options	Add Makefile.depend.options	2019-12-11 17:37:37 +00:00
mem.c
mem.h
mevent_test.c
mevent.c	bhyve: rework mevent processing to fix a race condition	2019-11-12 21:07:51 +00:00
mevent.h	bhyve: add backend rx backpressure to virtio-net	2019-11-03 19:02:32 +00:00
mptbl.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
mptbl.h
net_backends.c	bhyve: enable virtio-net mergeable rx buffers for tap(4)	2020-02-20 21:07:23 +00:00
net_backends.h	bhyve: enable virtio-net mergeable rx buffers for tap(4)	2020-02-20 21:07:23 +00:00
net_utils.c	bhyve: move virtio-net header processing to pci_virtio_net	2020-02-12 22:44:18 +00:00
net_utils.h
pci_ahci.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_e82545.c	bhyve: move virtio-net header processing to pci_virtio_net	2020-02-12 22:44:18 +00:00
pci_emul.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_emul.h
pci_fbuf.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_hda.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_hda.h	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_hostbridge.c
pci_irq.c
pci_irq.h
pci_lpc.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_lpc.h
pci_nvme.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_passthru.c	Emulate reads of the PCI command register for passthrough devices.	2019-12-11 23:41:39 +00:00
pci_uart.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_virtio_block.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_virtio_console.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_virtio_net.c	bhyve: enable virtio-net mergeable rx buffers for tap(4)	2020-02-20 21:07:23 +00:00
pci_virtio_rnd.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_virtio_scsi.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_xhci.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
pci_xhci.h
pm.c
post.c
ps2kbd.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
ps2kbd.h
ps2mouse.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
ps2mouse.h
rfb.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
rfb.h
rtc.c
rtc.h
smbiostbl.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
smbiostbl.h
sockstream.c
sockstream.h
spinup_ap.c
spinup_ap.h
task_switch.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
uart_emul.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
uart_emul.h
usb_emul.c
usb_emul.h
usb_mouse.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
vga.c
vga.h
virtio.c	bhyve: add wrapper for debug printf statements	2020-01-08 22:55:22 +00:00
virtio.h	bhyve: add support for virtio-net mergeable rx buffers	2019-11-08 17:57:03 +00:00
xmsr.c	bhyve, bhyvectl: Add Hygon Dhyana support.	2020-02-13 19:05:14 +00:00
xmsr.h