if_epair altq support problem

Ermal Luçi eri at freebsd.org
Thu Mar 23 18:46:55 UTC 2017


On Thu, Mar 23, 2017 at 11:06 AM, Özkan KIRIK <ozkan.kirik at gmail.com> wrote:

> Thank you, I'm waiting for 10.3 fix :)
> have a nice day
>


This should work for 10.3++

 diff --git a/sys/net/if_epair.c b/sys/net/if_epair.c
index 540f06c..d028a95 100644
--- a/sys/net/if_epair.c
+++ b/sys/net/if_epair.c
@@ -829,7 +829,8 @@ epair_clone_create(struct if_clone *ifc, char *name,
size_t len, caddr_t params)
        ifp->if_start = epair_start;
        ifp->if_ioctl = epair_ioctl;
        ifp->if_init  = epair_init;
-       ifp->if_snd.ifq_maxlen = ifqmaxlen;
+       IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
+       IFQ_SET_READY(&ifp->if_snd);
        /* Assign a hopefully unique, locally administered etheraddr. */
        eaddr[0] = 0x02;
        eaddr[3] = (ifp->if_index >> 8) & 0xff;
@@ -855,7 +856,8 @@ epair_clone_create(struct if_clone *ifc, char *name,
size_t len, caddr_t params)
        ifp->if_start = epair_start;
        ifp->if_ioctl = epair_ioctl;
        ifp->if_init  = epair_init;
-       ifp->if_snd.ifq_maxlen = ifqmaxlen;
+       IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
+       IFQ_SET_READY(&ifp->if_snd);
        /* We need to play some tricks here for the second interface. */
        strlcpy(name, epairname, len);
        error = if_clone_create(name, len, (caddr_t)scb);



On Wed, Mar 22, 2017 at 11:44 PM, Ermal Luçi <eri at freebsd.org> wrote:
>
>>
>> On Wed, Mar 22, 2017 at 10:50 AM, Özkan KIRIK <ozkan.kirik at 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, Özkan KIRIK <ozkan.kirik at 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 Luçi <eri at freebsd.org> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Tue, Mar 21, 2017 at 5:26 AM, Özkan KIRIK <ozkan.kirik at gmail.com>
>>>>> 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/m
>>>>>> an.cgi?query=altq#end>*
>>>>>>
>>>>>>      The driver modifications described in altq(9)
>>>>>> <https://www.freebsd.org/cgi/man.cgi?query=altq&sektion=9&ap
>>>>>> ropos=0&manpath=FreeBSD+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=ae&sektion=4&apro
>>>>>> pos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> age(4) <https://www.freebsd.org/cgi/man.cgi?query=age&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> alc(4) <https://www.freebsd.org/cgi/man.cgi?query=alc&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> ale(4) <https://www.freebsd.org/cgi/man.cgi?query=ale&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> an(4) <https://www.freebsd.org/cgi/man.cgi?query=an&sektion=4&apro
>>>>>> pos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> ath(4) <https://www.freebsd.org/cgi/man.cgi?query=ath&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> aue(4) <https://www.freebsd.org/cgi/man.cgi?query=aue&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>>      axe(4) <https://www.freebsd.org/cgi/m
>>>>>> an.cgi?query=axe&sektion=4&apropos=0&manpath=FreeBSD+11.0-RE
>>>>>> LEASE+and+Ports>,
>>>>>> bce(4) <https://www.freebsd.org/cgi/man.cgi?query=bce&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> bfe(4) <https://www.freebsd.org/cgi/man.cgi?query=bfe&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> bge(4) <https://www.freebsd.org/cgi/man.cgi?query=bge&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> bxe(4) <https://www.freebsd.org/cgi/man.cgi?query=bxe&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> cas(4) <https://www.freebsd.org/cgi/man.cgi?query=cas&sektion=4&apr
>>>>>> opos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> cxgbe(4) <https://www.freebsd.org/cgi/man.cgi?query=cxgbe&sektion=4&a
>>>>>> propos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> dc(4) <https://www.freebsd.org/cgi/man.cgi?query=dc&sektion=4&apro
>>>>>> pos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> de(4) <https://www.freebsd.org/cgi/man.cgi?query=de&sektion=4&apro
>>>>>> pos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>>      ed(4) <https://www.freebsd.org/cgi/m
>>>>>> an.cgi?query=ed&sektion=4&apropos=0&manpath=FreeBSD+11.0-REL
>>>>>> EASE+and+Ports>,
>>>>>> em(4) <https://www.freebsd.org/cgi/man.cgi?query=em&sektion=4&apro
>>>>>> pos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> ep(4) <https://www.freebsd.org/cgi/man.cgi?query=ep&sektion=4&apro
>>>>>> pos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports>,
>>>>>> epair(4) <https://www.freebsd.org/cgi/man.cgi?query=epair&sektion=4&a
>>>>>> propos=0&manpath=FreeBSD+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 += len;
>>>>>>  524                         if (mflags & (M_BCAST|M_MCAST))
>>>>>>  525                                 ifp->if_omcasts++;
>>>>>>  526
>>>>>>  527                         if ((ifp->if_drv_flags &
>>>>>> IFF_DRV_OACTIVE) == 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 = IFCAP_VLAN_MTU;
>>>>>         ifp->if_capenable = IFCAP_VLAN_MTU;
>>>>>         ifp->if_start = epair_start;
>>>>> +       if_setstartfn(ifp, epair_start);
>>>>> +       if_setsendqlen(ifp, ifqmaxlen);
>>>>> +       if_setsendqready(ifp);
>>>>>         ifp->if_ioctl = epair_ioctl;
>>>>>         ifp->if_init  = epair_init;
>>>>> -       ifp->if_snd.ifq_maxlen = ifqmaxlen;
>>>>>         /* Assign a hopefully unique, locally administered etheraddr.
>>>>> */
>>>>>         eaddr[0] = 0x02;
>>>>>         eaddr[3] = (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 = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
>>>>>         ifp->if_capabilities = IFCAP_VLAN_MTU;
>>>>>         ifp->if_capenable = IFCAP_VLAN_MTU;
>>>>> -       ifp->if_start = epair_start;
>>>>> +       if_setstartfn(ifp, epair_start);
>>>>> +       if_setsendqlen(ifp, ifqmaxlen);
>>>>> +       if_setsendqready(ifp);
>>>>>         ifp->if_ioctl = epair_ioctl;
>>>>>         ifp->if_init  = epair_init;
>>>>> -       ifp->if_snd.ifq_maxlen = ifqmaxlen;
>>>>>         /* We need to play some tricks here for the second interface.
>>>>> */
>>>>>         strlcpy(name, epairname, len);
>>>>>         error = if_clone_create(name, len, (caddr_t)scb);
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> I have no idea that why it says that it doesn't support altq altough
>>>>>> the
>>>>>> source code contains ALTQ section.
>>>>>>
>>>>>>
>>>>>> Regards
>>>>>> Özkan KIRIK
>>>>>> _______________________________________________
>>>>>> freebsd-net at freebsd.org mailing list
>>>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-net
>>>>>> To unsubscribe, send any mail to "freebsd-net-unsubscribe at freebsd.org
>>>>>> "
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Ermal
>>>>>
>>>>
>>>>
>>>
>>
>>
>> --
>> Ermal
>>
>
>


-- 
Ermal


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