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Bin Meng ce8e43760e hw/net: fsl_etsec: Reverse the RCTRL.RSF logic 
Per MPC8548ERM [1] chapter 14.5.3.4.1:

When RCTRL.RSF is 1, frames less than 64 bytes are accepted upon
a DA match. But currently QEMU does the opposite. This commit
reverses the RCTRL.RSF testing logic to match the manual.

Due to the reverse of the logic, certain guests may potentially
break if they don't program eTSEC to have RCTRL.RSF bit set.
When RCTRL.RSF is 0, short frames are silently dropped, however
as of today both slirp and tap networking do not pad short frames
(e.g.: an ARP packet) to the minimum frame size of 60 bytes. So
ARP requests will be dropped, preventing the guest from becoming
visible on the network.

The same issue was reported on e1000 and vmxenet3 before, see:

commit 78aeb23ede ("e1000: Pad short frames to minimum size (60 bytes)")
commit 40a87c6c9b ("vmxnet3: Pad short frames to minimum size (60 bytes)")

[1] https://www.nxp.com/docs/en/reference-manual/MPC8548ERM.pdf

Fixes: eb1e7c3e51 ("Add Enhanced Three-Speed Ethernet Controller (eTSEC)")
Signed-off-by: Bin Meng <bin.meng@windriver.com>

Message-Id: <1612923021-19746-1-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
 		2021-02-10 14:50:11 +11:00
..
can hw/net/can: Introduce Xilinx ZynqMP CAN controller 2020-12-10 11:30:44 +00:00
fsl_etsec hw/net: fsl_etsec: Reverse the RCTRL.RSF logic 2021-02-10 14:50:11 +11:00
rocker Machine queue, 2020-12-23 2021-01-01 22:57:15 +00:00
Kconfig hw/net/can: Correct Kconfig dependencies 2020-09-30 19:11:37 +02:00
allwinner-sun8i-emac.c net: checksum: Introduce fine control over checksum type 2021-01-25 17:04:56 +08:00
allwinner_emac.c hw/net: Make NetCanReceive() return a boolean 2020-03-31 21:14:35 +08:00
cadence_gem.c net: checksum: Introduce fine control over checksum type 2021-01-25 17:04:56 +08:00
dp8393x.c hw/net/dp8393x: fix integer underflow in dp8393x_do_transmit_packets() 2020-12-01 10:34:08 +00:00
e1000.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
e1000_regs.h e1000: Rename the SEC symbol to SEQEC 2017-09-08 08:17:37 +08:00
e1000e.c e1000e: Fix Lesser GPL version number 2020-11-15 16:45:49 +01:00
e1000e_core.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
e1000e_core.h e1000e: Fix Lesser GPL version number 2020-11-15 16:45:49 +01:00
e1000x_common.c e1000e: Fix Lesser GPL version number 2020-11-15 16:45:49 +01:00
e1000x_common.h e1000e: Fix Lesser GPL version number 2020-11-15 16:45:49 +01:00
eepro100.c Drop more @errp parameters after previous commit 2020-05-15 07:08:14 +02:00
etraxfs_eth.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
ftgmac100.c net: checksum: Introduce fine control over checksum type 2021-01-25 17:04:56 +08:00
i82596.c hw/net: Make NetCanReceive() return a boolean 2020-03-31 21:14:35 +08:00
i82596.h hw/net: Make NetCanReceive() return a boolean 2020-03-31 21:14:35 +08:00
imx_fec.c net: checksum: Introduce fine control over checksum type 2021-01-25 17:04:56 +08:00
lan9118.c hw/net/lan9118: Add symbolic constants for register offsets 2021-01-12 21:19:02 +00:00
lance.c Drop more @errp parameters after previous commit 2020-05-15 07:08:14 +02:00
lasi_i82596.c sysbus: Convert to sysbus_realize() etc. with Coccinelle 2020-06-15 22:05:28 +02:00
mcf_fec.c mcf_fec: Move mcf_fec_state typedef to header 2020-08-27 14:04:54 -04:00
meson.build meson: convert hw/net 2020-08-21 06:30:29 -04:00
milkymist-minimac2.c nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
mipsnet.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
msf2-emac.c hw/net: Add Smartfusion2 emac block 2020-04-30 11:52:28 +01:00
ne2000-isa.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
ne2000-pci.c Drop more @errp parameters after previous commit 2020-05-15 07:08:14 +02:00
ne2000.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
ne2000.h Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
net_rx_pkt.c NetRxPkt: fix hash calculation of IPV6 TCP 2020-03-03 18:04:47 +08:00
net_rx_pkt.h NetRxPkt: Introduce support for additional hash types 2020-03-03 18:04:47 +08:00
net_tx_pkt.c hw/net/net_tx_pkt: fix assertion failure in net_tx_pkt_add_raw_fragment() 2020-08-04 14:14:48 +08:00
net_tx_pkt.h hw/net: Added plen fix for IPv6 2020-07-21 21:30:39 +08:00
opencores_eth.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
pcnet-pci.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
pcnet.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
pcnet.h lance: replace PROP_PTR with PROP_LINK 2020-01-07 17:24:29 +04:00
rtl8139.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
smc91c111.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
spapr_llan.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
stellaris_enet.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
sungem.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
sunhme.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
trace-events Add a phy-num property to the i.MX FEC emulator 2020-07-03 16:59:41 +01:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
tulip.c tulip: Move TulipState typedef to header 2020-08-27 14:04:54 -04:00
tulip.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
vhost_net-stub.c vhost_net: introduce set_config & get_config 2020-07-03 07:57:04 -04:00
vhost_net.c vhost-vdpa: introduce vhost-vdpa backend 2020-07-07 07:59:51 -04:00
virtio-net.c net: checksum: Introduce fine control over checksum type 2021-01-25 17:04:56 +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 Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
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 Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vmxnet_debug.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
xen_nic.c net: checksum: Introduce fine control over checksum type 2021-01-25 17:04:56 +08:00
xgmac.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
xilinx_axienet.c hw/net/xilinx_axienet: Rename StreamSlave as StreamSink 2020-12-10 12:15:04 -05:00
xilinx_ethlite.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00