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Code Issues Releases Activity

If we are in hostap mode, do not go into promisc mode. This causes

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problems with the firmware and will result in a) poor performance and
b) the inability to associate certain types of cards (most notibly
cisco).

Idea obtained from OpenBSD, but I implemented it by clearing the
IFF_PROMISC flag rather than the refusing to honor it downstream.
This commit is contained in:
Warner Losh 2002-07-29 15:36:22 +00:00
parent 482711cfa6
commit 08c0f3d917
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=100876
1 changed files with 33 additions and 11 deletions
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44
sys/dev/wi/if_wi.c
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@ -1654,6 +1654,11 @@ wi_ioctl(ifp, command, data)
error = ether_ioctl(ifp, command, data);
break;
case SIOCSIFFLAGS:
/*
* Can't do promisc and hostap at the same time.
*/
if (sc->wi_ptype == WI_PORTTYPE_AP)
ifp->if_flags &= ~IFF_PROMISC;
if (ifp->if_flags & IFF_UP) {
if (ifp->if_flags & IFF_RUNNING &&
ifp->if_flags & IFF_PROMISC &&
@ -1663,8 +1668,9 @@ wi_ioctl(ifp, command, data)
!(ifp->if_flags & IFF_PROMISC) &&
sc->wi_if_flags & IFF_PROMISC) {
WI_SETVAL(WI_RID_PROMISC, 0);
} else
} else {
wi_init(sc);
}
} else {
if (ifp->if_flags & IFF_RUNNING) {
wi_stop(sc);
@ -2077,6 +2083,24 @@ wi_init(xsc)
(char *)&mac.wi_mac_addr, ETHER_ADDR_LEN);
wi_write_record(sc, (struct wi_ltv_gen *)&mac);
/*
* Initialize promisc mode.
* Being in the Host-AP mode causes
* great deal of pain if promisc mode is set.
* Therefore we avoid confusing the firmware
* and always reset promisc mode in Host-AP regime,
* it shows us all the packets anyway.
*/
/*
* Can't do promisc and hostap at the same time.
*/
if (sc->wi_ptype == WI_PORTTYPE_AP)
ifp->if_flags &= ~IFF_PROMISC;
if (ifp->if_flags & IFF_PROMISC)
WI_SETVAL(WI_RID_PROMISC, 1);
else
WI_SETVAL(WI_RID_PROMISC, 0);
/* Configure WEP. */
if (sc->wi_has_wep) {
WI_SETVAL(WI_RID_ENCRYPTION, sc->wi_use_wep);
@ -2089,12 +2113,17 @@ wi_init(xsc)
* ONLY HWB3163 EVAL-CARD Firmware version
* less than 0.8 variant2
*
* If promiscuous mode disable, Prism2 chip
* does not work with WEP .
* If promiscuous mode disable, Prism2 chip
* does not work with WEP.
* It is under investigation for details.
* (ichiro@netbsd.org)
*
* And make sure that we don't need to do it
* in hostap mode, since it interferes with
* the above hostap workaround.
*/
if (sc->sc_firmware_type == WI_INTERSIL &&
if (sc->wi_ptype != WI_PORTTYPE_AP &&
sc->sc_firmware_type == WI_INTERSIL &&
sc->sc_sta_firmware_ver < 802 ) {
/* firm ver < 0.8 variant 2 */
WI_SETVAL(WI_RID_PROMISC, 1);
@ -2103,13 +2132,6 @@ wi_init(xsc)
}
}
/* Initialize promisc mode. */
if (ifp->if_flags & IFF_PROMISC) {
WI_SETVAL(WI_RID_PROMISC, 1);
} else {
WI_SETVAL(WI_RID_PROMISC, 0);
}
/* Set multicast filter. */
wi_setmulti(sc);