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Mark Cave-Ayland 09340f497e sunhme: ensure that RX descriptor ring overflow is indicated to client driver 
On very busy networks connected via a tap interface, it is possible to overflow
the RX descriptor ring in the time between the client driver enabling the RX
MAC and finishing writing the final configuration to the NIC registers.

Ensure that we detect this condition and update the status register accordingly
to indicate an overflow has occurred (and the incoming packet dropped) in order
to prevent the client driver becoming confused.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
 		2019-07-02 22:49:08 +01:00
..
can Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
fsl_etsec Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
rocker Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
Kconfig hw/net/ne2000: Extract the PCI device from the chipset common code 2019-05-17 15:19:39 +02:00
Makefile.objs hw/net/ne2000: Extract the PCI device from the chipset common code 2019-05-17 15:19:39 +02:00
allwinner_emac.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
cadence_gem.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
dp8393x.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
e1000.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
e1000_regs.h e1000: Rename the SEC symbol to SEQEC 2017-09-08 08:17:37 +08:00
e1000e.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
e1000e_core.c e1000e: Prevent MSI/MSI-X storms 2018-07-20 08:30:48 +08:00
e1000e_core.h Supply missing header guards 2019-06-12 13:20:21 +02:00
e1000x_common.c hw/net: Use the IEC binary prefix definitions 2018-07-02 15:41:16 +02:00
e1000x_common.h Supply missing header guards 2019-06-12 13:20:21 +02:00
eepro100.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
etraxfs_eth.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
ftgmac100.c ftgmac100: do not link to netdev 2019-07-02 10:21:06 +08:00
imx_fec.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
lan9118.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
lance.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
mcf_fec.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
milkymist-minimac2.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
mipsnet.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
ne2000-isa.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
ne2000-pci.c hw/net/ne2000: Extract the PCI device from the chipset common code 2019-05-17 15:19:39 +02:00
ne2000.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
ne2000.h hw/net: Use the IEC binary prefix definitions 2018-07-02 15:41:16 +02:00
net_rx_pkt.c net: Transmit zero UDP checksum as 0xFFFF 2017-11-20 11:08:00 +08:00
net_rx_pkt.h net_pkt: Extend packet abstraction as required by e1000e functionality 2016-06-02 10:42:28 +08:00
net_tx_pkt.c net: fix misaligned member access 2018-03-02 18:44:00 +00:00
net_tx_pkt.h clean-includes: run it once more 2016-06-16 18:39:03 +02:00
opencores_eth.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
pcnet-pci.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
pcnet.c hw/net/pcnet: Use qemu_log_mask(GUEST_ERROR) instead of printf 2019-05-02 18:12:58 +02:00
pcnet.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
rtl8139.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
smc91c111.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
spapr_llan.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
stellaris_enet.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
sungem.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
sunhme.c sunhme: ensure that RX descriptor ring overflow is indicated to client driver 2019-07-02 22:49:08 +01:00
trace-events sunhme: ensure that RX descriptor ring overflow is indicated to client driver 2019-07-02 22:49:08 +01:00
vhost_net-stub.c vhost-net: move stubs to a separate file 2019-02-21 12:28:01 -05:00
vhost_net.c vhost_net: don't set backend for the uninitialized virtqueue 2019-05-17 17:00:12 +08:00
virtio-net.c net/announce: Add optional ID 2019-07-02 10:21:06 +08:00
vmware_utils.h hw/net/vmxnet3: Fix code to work on big endian hosts, too 2017-11-20 11:08:00 +08:00
vmxnet3.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
vmxnet3.h hw/net/vmxnet3: Fix code to work on big endian hosts, too 2017-11-20 11:08:00 +08:00
vmxnet3_defs.h Supply missing header guards 2019-06-12 13:20:21 +02:00
vmxnet_debug.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
xen_nic.c xen: Import other xen/io/*.h 2019-06-24 10:42:30 +01:00
xgmac.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
xilinx_axienet.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
xilinx_ethlite.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00