RE not working on 10.2-RELEASE #0 r286731M

[Yonghyeon PYUN]

On Fri, Aug 14, 2015 at 06:29:08PM -0400, Kim Culhan wrote:

[...]

> > On 08/14/15 13:34, Kim Culhan wrote:
> >> RE on 10.2-RELEASE #0 r286731M appears to pass only arp traffic.
> >>
> >> Replaced if_re.c with version from 273757, appears to work
> >> normally.
> >>
> >> The diff:
> >>
> >> 34c34 < __FBSDID("$FreeBSD: stable/10/sys/dev/re/if_re.c 273757
> >> 2014-10-28 00:43:00Z yongari $"); ---
> >>> __FBSDID("$FreeBSD: releng/10.2/sys/dev/re/if_re.c 285177
> >>> 2015-07-05
> >> 20:16:38Z marius $"); 3198,3202d3197 <        * Enable transmit and
> >> receive. <        */ <       CSR_WRITE_1(sc, RL_COMMAND,
> >> RL_CMD_TX_ENB|RL_CMD_RX_ENB); < <       /* 3227a3223,3227
> >>> /* * Enable transmit and receive. */ CSR_WRITE_1(sc, RL_COMMAND,
> >>> RL_CMD_TX_ENB | RL_CMD_RX_ENB);
> >>>
> >> 3251,3254d3250 < #ifdef notdef <       /* Enable receiver and
> >> transmitter. */ <       CSR_WRITE_1(sc, RL_COMMAND,
> >> RL_CMD_TX_ENB|RL_CMD_RX_ENB); < #endif
> >>
> >> Let me know what additional info I can provide.

[...]

> > I'm running -current with all changes in place, I'm not seeing the
> > issues noted here with my hardware.  Can you post your hardware from
> > pciconf -lv?
> >
> > re0 at pci0:3:0:0: class=0x020000 card=0x84321043 chip=0x816810ec
> > rev=0x06 hdr=0x00
> >     vendor     = 'Realtek Semiconductor Co., Ltd.'
> >     device     = 'RTL8111/8168B PCI Express Gigabit Ethernet controller'
> >     class      = network
> >     subclass   = ethernet
> > re1 at pci0:4:5:0: class=0x020000 card=0x43021186 chip=0x43021186
> > rev=0x10 hdr=0x00
> >     vendor     = 'D-Link System Inc'
> >     device     = 'DGE-530T Gigabit Ethernet Adapter (rev.C1) [Realtek
> > RTL8169]'
> >     class      = network
> >     subclass   = ethernet
> >
> >
> > sean
> 
> pciconf -lv
> 
> re0 at pci0:2:0:0: class=0x020000 card=0x83671043 chip=0x816810ec rev=0x02
> hdr=0x00
>     vendor     = 'Realtek Semiconductor Co., Ltd.'
>     device     = 'RTL8111/8168B PCI Express Gigabit Ethernet controller'
>     class      = network
>     subclass   = ethernet
> re1 at pci0:6:0:0: class=0x020000 card=0x816910ec chip=0x816910ec rev=0x10
> hdr=0x00
>     vendor     = 'Realtek Semiconductor Co., Ltd.'
>     device     = 'RTL8169 PCI Gigabit Ethernet Controller'
>     class      = network
>     subclass   = ethernet
> re2 at pci0:6:1:0: class=0x020000 card=0x4c001186 chip=0x43001186 rev=0x10
> hdr=0x00
>     vendor     = 'D-Link System Inc'
>     device     = 'DGE-528T Gigabit Ethernet Adapter'
>     class      = network
>     subclass   = ethernet
> 
> The problem was noted on re2, re0 and re1 appeared to be working normally.
> 

Hmm, it seems your PCI controller does not work.
I can't explain why Sean's re1 still works though.
Would you try attached patch?

BTW, it would be better to see the re(4) related dmesg output.
Driver will show Chip/MAC revision and that is the only way to
identify each MAC revision.
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