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Date:      Wed, 22 Mar 2017 13:44:36 -0700
From:      =?UTF-8?Q?Ermal_Lu=C3=A7i?= <eri@freebsd.org>
To:        =?UTF-8?B?w5Z6a2FuIEtJUklL?= <ozkan.kirik@gmail.com>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject:   Re: if_epair altq support problem
Message-ID:  <CAPBZQG32fZ-S5Qr-RhssgxP%2BVv_v4NTGvogLgBTTw=5heKWHwg@mail.gmail.com>
In-Reply-To: <CAAcX-AHPVSDhKrPdPCG9b3qvGPG7HOH5d_rs4o6Fjt8_%2B5gw6g@mail.gmail.com>
References:  <CAAcX-AFJ4mmFQt2k3gdsG4c8g3d-ypzSFpypQLQF_3Jdw0W3ew@mail.gmail.com> <CAPBZQG0oUHamfmvZxk8_LaPG_%2BhTbPTuvX4h7Y9osrsvcH1L3g@mail.gmail.com> <CAAcX-AFcnwAMCBcaFVYBBAGJ=hV-8P8zoP%2BxPj6T9i4eX1UFEA@mail.gmail.com> <CAAcX-AHPVSDhKrPdPCG9b3qvGPG7HOH5d_rs4o6Fjt8_%2B5gw6g@mail.gmail.com>

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On Wed, Mar 22, 2017 at 10:50 AM, =C3=96zkan KIRIK <ozkan.kirik@gmail.com> =
wrote:

> Sorry, I mistested on 10.3RELENG.
> it works on 11  RELENG, But at 10.3RELENG it throws
>
> /usr/src/sys/modules/if_epair/../../net/if_epair.c:830:2: error: implicit
> declaration of function 'if_setstartfn' is invalid in C99
> [-Werror,-Wimplicit-function-declaration]
>
>
> On Wed, Mar 22, 2017 at 8:18 PM, =C3=96zkan KIRIK <ozkan.kirik@gmail.com>
> wrote:
>
>> Thank You Ermal !
>>
>> It works perfectly, can you commit this patch to 11.0 RELENG and MFC to
>> 10.3 RELENG ?
>>
>>
Thanks, for confirming that it fixes your issues.
Yeah, on 10.3 its almost the same fix i will deal with it.


> Regards
>>
>> On Wed, Mar 22, 2017 at 6:59 AM, Ermal Lu=C3=A7i <eri@freebsd.org> wrote=
:
>>
>>>
>>>
>>> On Tue, Mar 21, 2017 at 5:26 AM, =C3=96zkan KIRIK <ozkan.kirik@gmail.co=
m>
>>> wrote:
>>>
>>>> Hello,
>>>>
>>>> I sent this email also to  freebsd-pf list. But I think that the main
>>>> problem is belongs to sys/net/if_epair.c.
>>>>
>>>> I'm using FreeBSD 10.3-p17 amd64. epair pseudo device is listed as
>>>> supperted deviced at the Man page of altq(4).
>>>> From man page of altq :
>>>>
>>>> *SUPPORTED DEVICES <https://www.freebsd.org/cgi/man.cgi?query=3Daltq#e=
nd
>>>> >*
>>>>
>>>>      The driver modifications described in altq(9)
>>>> <https://www.freebsd.org/cgi/man.cgi?query=3Daltq&sektion=3D9&ap
>>>> ropos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>
>>>> are required    to use a cer-
>>>>      tain network card with *ALTQ*.  They       have been applied to
>>>> the following
>>>>      hardware drivers: ae(4)
>>>> <https://www.freebsd.org/cgi/man.cgi?query=3Dae&sektion=3D4&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> age(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dage&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> alc(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dalc&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> ale(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dale&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> an(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dan&sektion=3D4&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> ath(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dath&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> aue(4) <https://www.freebsd.org/cgi/man.cgi?query=3Daue&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>>      axe(4) <https://www.freebsd.org/cgi/m
>>>> an.cgi?query=3Daxe&sektion=3D4&apropos=3D0&manpath=3DFreeBSD+11.0-RE
>>>> LEASE+and+Ports>,
>>>> bce(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dbce&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> bfe(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dbfe&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> bge(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dbge&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> bxe(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dbxe&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> cas(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dcas&sektion=3D4&ap=
r
>>>> opos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> cxgbe(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dcxgbe&sektion=3D=
4&a
>>>> propos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> dc(4) <https://www.freebsd.org/cgi/man.cgi?query=3Ddc&sektion=3D4&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> de(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dde&sektion=3D4&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>>      ed(4) <https://www.freebsd.org/cgi/man.cgi?query=3Ded&sektion=3D4=
&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> em(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dem&sektion=3D4&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> ep(4) <https://www.freebsd.org/cgi/man.cgi?query=3Dep&sektion=3D4&apro
>>>> pos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>> epair(4) <https://www.freebsd.org/cgi/man.cgi?query=3Depair&sektion=3D=
4&a
>>>> propos=3D0&manpath=3DFreeBSD+11.0-RELEASE+and+Ports>,
>>>>
>>>> ....
>>>>
>>>> But while trying to use it the system says that it's not suppoerted. I
>>>> tried on FreeBSD 11 also. The output is below:
>>>>
>>>> pf.conf :
>>>> altq on epair0b hfsc bandwidth 1Mb queue { ftp, ssh, icmp, other }
>>>> queue ftp bandwidth 30% priority 0 hfsc (upperlimit 99%)
>>>> queue ssh bandwidth 30% priority 2 hfsc (upperlimit 99%)
>>>> queue icmp bandwidth 10% priority 2 hfsc (upperlimit 99%)
>>>> queue other bandwidth 30% priority 1 hfsc (default upperlimit 99%)
>>>>
>>>>
>>>> # ifconfig epair0 create
>>>> # ifconfig epair0a up
>>>> # ifconfig epair0b up
>>>> # pfctl -f pf.conf
>>>> pfctl: epair0b: driver does not support altq
>>>>
>>>> # sysctl -a | grep ALTQ
>>>> options ALTQ_NOPCC
>>>> options ALTQ_PRIQ
>>>> options ALTQ_CDNR
>>>> options ALTQ_HFSC
>>>> options ALTQ_RIO
>>>> options ALTQ_RED
>>>> options ALTQ_CBQ
>>>> options ALTQ
>>>>
>>>>
>>>> I have a look on /usr/src/sys/net/if_epair.c, and found the ALTQ
>>>> section:
>>>>
>>>> 514 #ifdef ALTQ
>>>>  515         /* Support ALTQ via the clasic if_start() path. */
>>>>  516         IF_LOCK(&ifp->if_snd);
>>>>  517         if (ALTQ_IS_ENABLED(&ifp->if_snd)) {
>>>>  518                 ALTQ_ENQUEUE(&ifp->if_snd, m, NULL, error);
>>>>  519                 if (error)
>>>>  520                         ifp->if_snd.ifq_drops++;
>>>>  521                 IF_UNLOCK(&ifp->if_snd);
>>>>  522                 if (!error) {
>>>>  523                         ifp->if_obytes +=3D len;
>>>>  524                         if (mflags & (M_BCAST|M_MCAST))
>>>>  525                                 ifp->if_omcasts++;
>>>>  526
>>>>  527                         if ((ifp->if_drv_flags & IFF_DRV_OACTIVE)
>>>> =3D=3D 0)
>>>>  528                                 epair_start_locked(ifp);
>>>>  529                         else
>>>>  530                                 (void)epair_add_ifp_for_drain
>>>> ing(ifp);
>>>>  531                 }
>>>>  532                 return (error);
>>>>  533         }
>>>>  534         IF_UNLOCK(&ifp->if_snd);
>>>>  535 #endif
>>>>
>>>>
>>>
>>> Just apply manually this patch to make it work.
>>>
>>> diff --git a/sys/net/if_epair.c b/sys/net/if_epair.c
>>> index 540f06c..04733a5 100644
>>> --- a/sys/net/if_epair.c
>>> +++ b/sys/net/if_epair.c
>>> @@ -827,9 +827,11 @@ epair_clone_create(struct if_clone *ifc, char
>>> *name, size_t len, caddr_t params)
>>>         ifp->if_capabilities =3D IFCAP_VLAN_MTU;
>>>         ifp->if_capenable =3D IFCAP_VLAN_MTU;
>>>         ifp->if_start =3D epair_start;
>>> +       if_setstartfn(ifp, epair_start);
>>> +       if_setsendqlen(ifp, ifqmaxlen);
>>> +       if_setsendqready(ifp);
>>>         ifp->if_ioctl =3D epair_ioctl;
>>>         ifp->if_init  =3D epair_init;
>>> -       ifp->if_snd.ifq_maxlen =3D ifqmaxlen;
>>>         /* Assign a hopefully unique, locally administered etheraddr. *=
/
>>>         eaddr[0] =3D 0x02;
>>>         eaddr[3] =3D (ifp->if_index >> 8) & 0xff;
>>> @@ -852,10 +854,11 @@ epair_clone_create(struct if_clone *ifc, char
>>> *name, size_t len, caddr_t params)
>>>         ifp->if_flags =3D IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
>>>         ifp->if_capabilities =3D IFCAP_VLAN_MTU;
>>>         ifp->if_capenable =3D IFCAP_VLAN_MTU;
>>> -       ifp->if_start =3D epair_start;
>>> +       if_setstartfn(ifp, epair_start);
>>> +       if_setsendqlen(ifp, ifqmaxlen);
>>> +       if_setsendqready(ifp);
>>>         ifp->if_ioctl =3D epair_ioctl;
>>>         ifp->if_init  =3D epair_init;
>>> -       ifp->if_snd.ifq_maxlen =3D ifqmaxlen;
>>>         /* We need to play some tricks here for the second interface. *=
/
>>>         strlcpy(name, epairname, len);
>>>         error =3D if_clone_create(name, len, (caddr_t)scb);
>>>
>>>
>>>
>>>
>>>
>>>> I have no idea that why it says that it doesn't support altq altough t=
he
>>>> source code contains ALTQ section.
>>>>
>>>>
>>>> Regards
>>>> =C3=96zkan KIRIK
>>>> _______________________________________________
>>>> freebsd-net@freebsd.org mailing list
>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-net
>>>> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>>>
>>>
>>>
>>>
>>> --
>>> Ermal
>>>
>>
>>
>


--=20
Ermal



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