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nwfilter: convert DHCP address snooping code to virNWFilterBindingDefPtr

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Use the virNWFilterBindingDefPtr struct in the DHCP address snooping code
directly.

Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2018-04-26 12:45:29 +01:00
parent 5b6c02e292
commit fca9afa084
3 changed files with 62 additions and 113 deletions
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161
src/nwfilter/nwfilter_dhcpsnoop.c
View File

@ -135,13 +135,9 @@ struct _virNWFilterSnoopReq {
int refctr; int refctr;
virNWFilterTechDriverPtr techdriver; virNWFilterTechDriverPtr techdriver;
char *ifname; virNWFilterBindingDefPtr binding;
int ifindex; int ifindex;
char *linkdev;
char ifkey[VIR_IFKEY_LEN]; char ifkey[VIR_IFKEY_LEN];
virMacAddr macaddr;
char *filtername;
virHashTablePtr vars;
virNWFilterDriverStatePtr driver; virNWFilterDriverStatePtr driver;
/* start and end of lease list, ordered by lease time */ /* start and end of lease list, ordered by lease time */
virNWFilterSnoopIPLeasePtr start; virNWFilterSnoopIPLeasePtr start;
@ -484,10 +480,10 @@ virNWFilterSnoopIPLeaseInstallRule(virNWFilterSnoopIPLeasePtr ipl,
req = ipl->snoopReq; req = ipl->snoopReq;
/* protect req->ifname */ /* protect req->binding->portdevname */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
if (virNWFilterIPAddrMapAddIPAddr(req->ifname, ipaddr) < 0) if (virNWFilterIPAddrMapAddIPAddr(req->binding->portdevname, ipaddr) < 0)
goto exit_snooprequnlock; goto exit_snooprequnlock;
if (!instantiate) { if (!instantiate) {
@ -497,18 +493,9 @@ virNWFilterSnoopIPLeaseInstallRule(virNWFilterSnoopIPLeasePtr ipl,
/* instantiate the filters */ /* instantiate the filters */
if (req->ifname) { if (req->binding->portdevname) {
virNWFilterBindingDef binding = {
.portdevname = req->ifname,
.linkdevname = req->linkdev,
.mac = req->macaddr,
.filter = req->filtername,
.filterparams = req->vars,
.ownername = NULL,
.owneruuid = {0},
};
rc = virNWFilterInstantiateFilterLate(req->driver, rc = virNWFilterInstantiateFilterLate(req->driver,
&binding, req->binding,
req->ifindex); req->ifindex);
} }
@ -649,10 +636,7 @@ virNWFilterSnoopReqFree(virNWFilterSnoopReqPtr req)
virNWFilterSnoopReqLeaseDel(req, &ipl->ipAddress, false, false); virNWFilterSnoopReqLeaseDel(req, &ipl->ipAddress, false, false);
/* free all req data */ /* free all req data */
VIR_FREE(req->ifname); virNWFilterBindingDefFree(req->binding);
VIR_FREE(req->linkdev);
VIR_FREE(req->filtername);
virHashFree(req->vars);
virMutexDestroy(&req->lock); virMutexDestroy(&req->lock);
virCondDestroy(&req->threadStatusCond); virCondDestroy(&req->threadStatusCond);
@ -883,30 +867,23 @@ virNWFilterSnoopReqLeaseDel(virNWFilterSnoopReqPtr req,
if (update_leasefile) if (update_leasefile)
virNWFilterSnoopLeaseFileSave(ipl); virNWFilterSnoopLeaseFileSave(ipl);
ipAddrLeft = virNWFilterIPAddrMapDelIPAddr(req->ifname, ipstr); ipAddrLeft = virNWFilterIPAddrMapDelIPAddr(req->binding->portdevname, ipstr);
if (!req->threadkey || !instantiate) if (!req->threadkey || !instantiate)
goto skip_instantiate; goto skip_instantiate;
if (ipAddrLeft) { if (ipAddrLeft) {
virNWFilterBindingDef binding = {
.portdevname = req->ifname,
.linkdevname = req->linkdev,
.mac = req->macaddr,
.filter = req->filtername,
.filterparams = req->vars,
.ownername = NULL,
.owneruuid = {0},
};
ret = virNWFilterInstantiateFilterLate(req->driver, ret = virNWFilterInstantiateFilterLate(req->driver,
&binding, req->binding,
req->ifindex); req->ifindex);
} else { } else {
virNWFilterVarValuePtr dhcpsrvrs = virNWFilterVarValuePtr dhcpsrvrs =
virHashLookup(req->vars, NWFILTER_VARNAME_DHCPSERVER); virHashLookup(req->binding->filterparams,
NWFILTER_VARNAME_DHCPSERVER);
if (req->techdriver && if (req->techdriver &&
req->techdriver->applyDHCPOnlyRules(req->ifname, &req->macaddr, req->techdriver->applyDHCPOnlyRules(req->binding->portdevname,
&req->binding->mac,
dhcpsrvrs, false) < 0) { dhcpsrvrs, false) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("virNWFilterSnoopListDel failed")); _("virNWFilterSnoopListDel failed"));
@ -1036,7 +1013,7 @@ virNWFilterSnoopDHCPDecode(virNWFilterSnoopReqPtr req,
* inside the DHCP response * inside the DHCP response
*/ */
if (!fromVM) { if (!fromVM) {
if (virMacAddrCmpRaw(&req->macaddr, if (virMacAddrCmpRaw(&req->binding->mac,
(unsigned char *)&pd->d_chaddr) != 0) (unsigned char *)&pd->d_chaddr) != 0)
return -2; return -2;
} }
@ -1198,7 +1175,7 @@ static void virNWFilterDHCPDecodeWorker(void *jobdata, void *opaque)
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("Instantiation of rules failed on " _("Instantiation of rules failed on "
"interface '%s'"), req->ifname); "interface '%s'"), req->binding->portdevname);
} }
virAtomicIntDecAndTest(job->qCtr); virAtomicIntDecAndTest(job->qCtr);
VIR_FREE(job); VIR_FREE(job);
@ -1407,13 +1384,14 @@ virNWFilterDHCPSnoopThread(void *req0)
/* whoever started us increased the reference counter for the req for us */ /* whoever started us increased the reference counter for the req for us */
/* protect req->ifname & req->threadkey */ /* protect req->binding->portdevname & req->threadkey */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
if (req->ifname && req->threadkey) { if (req->binding->portdevname && req->threadkey) {
for (i = 0; i < ARRAY_CARDINALITY(pcapConf); i++) { for (i = 0; i < ARRAY_CARDINALITY(pcapConf); i++) {
pcapConf[i].handle = pcapConf[i].handle =
virNWFilterSnoopDHCPOpen(req->ifname, &req->macaddr, virNWFilterSnoopDHCPOpen(req->binding->portdevname,
&req->binding->mac,
pcapConf[i].filter, pcapConf[i].filter,
pcapConf[i].dir); pcapConf[i].dir);
if (!pcapConf[i].handle) { if (!pcapConf[i].handle) {
@ -1422,7 +1400,7 @@ virNWFilterDHCPSnoopThread(void *req0)
} }
fds[i].fd = pcap_fileno(pcapConf[i].handle); fds[i].fd = pcap_fileno(pcapConf[i].handle);
} }
tmp = virNetDevGetIndex(req->ifname, &ifindex); tmp = virNetDevGetIndex(req->binding->portdevname, &ifindex);
ignore_value(VIR_STRDUP(threadkey, req->threadkey)); ignore_value(VIR_STRDUP(threadkey, req->threadkey));
worker = virThreadPoolNew(1, 1, 0, worker = virThreadPoolNew(1, 1, 0,
virNWFilterDHCPDecodeWorker, virNWFilterDHCPDecodeWorker,
@ -1487,11 +1465,11 @@ virNWFilterDHCPSnoopThread(void *req0)
/* error reading from socket */ /* error reading from socket */
tmp = -1; tmp = -1;
/* protect req->ifname */ /* protect req->binding->portdevname */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
if (req->ifname) if (req->binding->portdevname)
tmp = virNetDevValidateConfig(req->ifname, NULL, ifindex); tmp = virNetDevValidateConfig(req->binding->portdevname, NULL, ifindex);
virNWFilterSnoopReqUnlock(req); virNWFilterSnoopReqUnlock(req);
@ -1504,16 +1482,17 @@ virNWFilterDHCPSnoopThread(void *req0)
pcap_close(pcapConf[i].handle); pcap_close(pcapConf[i].handle);
pcapConf[i].handle = NULL; pcapConf[i].handle = NULL;
/* protect req->ifname */ /* protect req->binding->portdevname */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("interface '%s' failing; " _("interface '%s' failing; "
"reopening"), "reopening"),
req->ifname); req->binding->portdevname);
if (req->ifname) if (req->binding->portdevname)
pcapConf[i].handle = pcapConf[i].handle =
virNWFilterSnoopDHCPOpen(req->ifname, &req->macaddr, virNWFilterSnoopDHCPOpen(req->binding->portdevname,
&req->binding->mac,
pcapConf[i].filter, pcapConf[i].filter,
pcapConf[i].dir); pcapConf[i].dir);
@ -1539,7 +1518,7 @@ virNWFilterDHCPSnoopThread(void *req0)
last_displayed_queue = time(0); last_displayed_queue = time(0);
VIR_WARN("Worker thread for interface '%s' has a " VIR_WARN("Worker thread for interface '%s' has a "
"job queue that is too long", "job queue that is too long",
req->ifname); req->binding->portdevname);
} }
continue; continue;
} }
@ -1552,7 +1531,7 @@ virNWFilterDHCPSnoopThread(void *req0)
if (time(0) - last_displayed > 10) { if (time(0) - last_displayed > 10) {
last_displayed = time(0); last_displayed = time(0);
VIR_WARN("Too many DHCP packets on interface '%s'", VIR_WARN("Too many DHCP packets on interface '%s'",
req->ifname); req->binding->portdevname);
} }
continue; continue;
} }
@ -1563,7 +1542,7 @@ virNWFilterDHCPSnoopThread(void *req0)
&pcapConf[i].qCtr) < 0) { &pcapConf[i].qCtr) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("Job submission failed on " _("Job submission failed on "
"interface '%s'"), req->ifname); "interface '%s'"), req->binding->portdevname);
error = true; error = true;
break; break;
} }
@ -1574,15 +1553,15 @@ virNWFilterDHCPSnoopThread(void *req0)
/* protect IfNameToKey */ /* protect IfNameToKey */
virNWFilterSnoopLock(); virNWFilterSnoopLock();
/* protect req->ifname & req->threadkey */ /* protect req->binding->portdevname & req->threadkey */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
virNWFilterSnoopCancel(&req->threadkey); virNWFilterSnoopCancel(&req->threadkey);
ignore_value(virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey, ignore_value(virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey,
req->ifname)); req->binding->portdevname));
VIR_FREE(req->ifname); VIR_FREE(req->binding->portdevname);
virNWFilterSnoopReqUnlock(req); virNWFilterSnoopReqUnlock(req);
virNWFilterSnoopUnlock(); virNWFilterSnoopUnlock();
@ -1615,12 +1594,7 @@ virNWFilterSnoopIFKeyFMT(char *ifkey, const unsigned char *vmuuid,
int int
virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver, virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
const char *ifname, virNWFilterBindingDefPtr binding,
const char *linkdev,
const unsigned char *vmuuid,
const virMacAddr *macaddr,
const char *filtername,
virHashTablePtr filterparams,
virNWFilterDriverStatePtr driver) virNWFilterDriverStatePtr driver)
{ {
virNWFilterSnoopReqPtr req; virNWFilterSnoopReqPtr req;
@ -1631,7 +1605,7 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
virNWFilterVarValuePtr dhcpsrvrs; virNWFilterVarValuePtr dhcpsrvrs;
bool threadPuts = false; bool threadPuts = false;
virNWFilterSnoopIFKeyFMT(ifkey, vmuuid, macaddr); virNWFilterSnoopIFKeyFMT(ifkey, binding->owneruuid, &binding->mac);
req = virNWFilterSnoopReqGetByIFKey(ifkey); req = virNWFilterSnoopReqGetByIFKey(ifkey);
isnewreq = (req == NULL); isnewreq = (req == NULL);
@ -1640,9 +1614,8 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
virNWFilterSnoopReqPut(req); virNWFilterSnoopReqPut(req);
return 0; return 0;
} }
/* a recycled req may still have filtername and vars */ virNWFilterBindingDefFree(req->binding);
VIR_FREE(req->filtername); req->binding = NULL;
virHashFree(req->vars);
} else { } else {
req = virNWFilterSnoopReqNew(ifkey); req = virNWFilterSnoopReqNew(ifkey);
if (!req) if (!req)
@ -1651,17 +1624,9 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
req->driver = driver; req->driver = driver;
req->techdriver = techdriver; req->techdriver = techdriver;
tmp = virNetDevGetIndex(ifname, &req->ifindex); if ((tmp = virNetDevGetIndex(binding->portdevname, &req->ifindex)) < 0)
virMacAddrSet(&req->macaddr, macaddr);
req->vars = virNWFilterHashTableCreate(0);
req->linkdev = NULL;
if (VIR_STRDUP(req->ifname, ifname) < 0 ||
VIR_STRDUP(req->filtername, filtername) < 0 ||
VIR_STRDUP(req->linkdev, linkdev) < 0)
goto exit_snoopreqput; goto exit_snoopreqput;
if (!(req->binding = virNWFilterBindingDefCopy(binding)))
if (!req->vars || tmp < 0)
goto exit_snoopreqput; goto exit_snoopreqput;
/* check that all tools are available for applying the filters (late) */ /* check that all tools are available for applying the filters (late) */
@ -1673,10 +1638,11 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
goto exit_snoopreqput; goto exit_snoopreqput;
} }
dhcpsrvrs = virHashLookup(filterparams, dhcpsrvrs = virHashLookup(binding->filterparams,
NWFILTER_VARNAME_DHCPSERVER); NWFILTER_VARNAME_DHCPSERVER);
if (techdriver->applyDHCPOnlyRules(req->ifname, &req->macaddr, if (techdriver->applyDHCPOnlyRules(req->binding->portdevname,
&req->binding->mac,
dhcpsrvrs, false) < 0) { dhcpsrvrs, false) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("applyDHCPOnlyRules " _("applyDHCPOnlyRules "
@ -1684,20 +1650,14 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
goto exit_snoopreqput; goto exit_snoopreqput;
} }
if (virNWFilterHashTablePutAll(filterparams, req->vars) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("virNWFilterDHCPSnoopReq: can't copy variables"
" on if %s"), ifkey);
goto exit_snoopreqput;
}
virNWFilterSnoopLock(); virNWFilterSnoopLock();
if (virHashAddEntry(virNWFilterSnoopState.ifnameToKey, ifname, if (virHashAddEntry(virNWFilterSnoopState.ifnameToKey,
req->binding->portdevname,
req->ifkey) < 0) { req->ifkey) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("virNWFilterDHCPSnoopReq ifname map failed" _("virNWFilterDHCPSnoopReq ifname map failed"
" on interface \"%s\" key \"%s\""), ifname, " on interface \"%s\" key \"%s\""), binding->portdevname,
ifkey); ifkey);
goto exit_snoopunlock; goto exit_snoopunlock;
} }
@ -1706,7 +1666,7 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
virHashAddEntry(virNWFilterSnoopState.snoopReqs, ifkey, req) < 0) { virHashAddEntry(virNWFilterSnoopState.snoopReqs, ifkey, req) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("virNWFilterDHCPSnoopReq req add failed on" _("virNWFilterDHCPSnoopReq req add failed on"
" interface \"%s\" ifkey \"%s\""), ifname, " interface \"%s\" ifkey \"%s\""), binding->portdevname,
ifkey); ifkey);
goto exit_rem_ifnametokey; goto exit_rem_ifnametokey;
} }
@ -1718,7 +1678,7 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
req) != 0) { req) != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("virNWFilterDHCPSnoopReq virThreadCreate " _("virNWFilterDHCPSnoopReq virThreadCreate "
"failed on interface '%s'"), ifname); "failed on interface '%s'"), binding->portdevname);
goto exit_snoopreq_unlock; goto exit_snoopreq_unlock;
} }
@ -1730,14 +1690,14 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
if (!req->threadkey) { if (!req->threadkey) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("Activation of snoop request failed on " _("Activation of snoop request failed on "
"interface '%s'"), req->ifname); "interface '%s'"), req->binding->portdevname);
goto exit_snoopreq_unlock; goto exit_snoopreq_unlock;
} }
if (virNWFilterSnoopReqRestore(req) < 0) { if (virNWFilterSnoopReqRestore(req) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
_("Restoring of leases failed on " _("Restoring of leases failed on "
"interface '%s'"), req->ifname); "interface '%s'"), req->binding->portdevname);
goto exit_snoop_cancel; goto exit_snoop_cancel;
} }
@ -1766,7 +1726,7 @@ virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
exit_snoopreq_unlock: exit_snoopreq_unlock:
virNWFilterSnoopReqUnlock(req); virNWFilterSnoopReqUnlock(req);
exit_rem_ifnametokey: exit_rem_ifnametokey:
virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey, ifname); virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey, binding->portdevname);
exit_snoopunlock: exit_snoopunlock:
virNWFilterSnoopUnlock(); virNWFilterSnoopUnlock();
exit_snoopreqput: exit_snoopreqput:
@ -2074,21 +2034,21 @@ virNWFilterSnoopRemAllReqIter(const void *payload,
{ {
virNWFilterSnoopReqPtr req = (virNWFilterSnoopReqPtr)payload; virNWFilterSnoopReqPtr req = (virNWFilterSnoopReqPtr)payload;
/* protect req->ifname */ /* protect req->binding->portdevname */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
if (req->ifname) { if (req->binding->portdevname) {
ignore_value(virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey, ignore_value(virHashRemoveEntry(virNWFilterSnoopState.ifnameToKey,
req->ifname)); req->binding->portdevname));
/* /*
* Remove all IP addresses known to be associated with this * Remove all IP addresses known to be associated with this
* interface so that a new thread will be started on this * interface so that a new thread will be started on this
* interface * interface
*/ */
virNWFilterIPAddrMapDelIPAddr(req->ifname, NULL); virNWFilterIPAddrMapDelIPAddr(req->binding->portdevname, NULL);
VIR_FREE(req->ifname); VIR_FREE(req->binding->portdevname);
} }
virNWFilterSnoopReqUnlock(req); virNWFilterSnoopReqUnlock(req);
@ -2191,13 +2151,13 @@ virNWFilterDHCPSnoopEnd(const char *ifname)
goto cleanup; goto cleanup;
} }
/* protect req->ifname & req->threadkey */ /* protect req->binding->portdevname & req->threadkey */
virNWFilterSnoopReqLock(req); virNWFilterSnoopReqLock(req);
/* keep valid lease req; drop interface association */ /* keep valid lease req; drop interface association */
virNWFilterSnoopCancel(&req->threadkey); virNWFilterSnoopCancel(&req->threadkey);
VIR_FREE(req->ifname); VIR_FREE(req->binding->portdevname);
virNWFilterSnoopReqUnlock(req); virNWFilterSnoopReqUnlock(req);
@ -2259,12 +2219,7 @@ virNWFilterDHCPSnoopShutdown(void)
int int
virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver ATTRIBUTE_UNUSED, virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver ATTRIBUTE_UNUSED,
const char *ifname ATTRIBUTE_UNUSED, virNWFilterBindingDefPtr binding ATTRIBUTE_UNUSED,
const char *linkdev ATTRIBUTE_UNUSED,
const unsigned char *vmuuid ATTRIBUTE_UNUSED,
const virMacAddr *macaddr ATTRIBUTE_UNUSED,
const char *filtername ATTRIBUTE_UNUSED,
virHashTablePtr filterparams ATTRIBUTE_UNUSED,
virNWFilterDriverStatePtr driver ATTRIBUTE_UNUSED) virNWFilterDriverStatePtr driver ATTRIBUTE_UNUSED)
{ {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,

7
src/nwfilter/nwfilter_dhcpsnoop.h
View File

@ -30,12 +30,7 @@
int virNWFilterDHCPSnoopInit(void); int virNWFilterDHCPSnoopInit(void);
void virNWFilterDHCPSnoopShutdown(void); void virNWFilterDHCPSnoopShutdown(void);
int virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver, int virNWFilterDHCPSnoopReq(virNWFilterTechDriverPtr techdriver,
const char *ifname, virNWFilterBindingDefPtr binding,
const char *linkdev,
const unsigned char *vmuuid,
const virMacAddr *macaddr,
const char *filtername,
virHashTablePtr filterparams,
virNWFilterDriverStatePtr driver); virNWFilterDriverStatePtr driver);
void virNWFilterDHCPSnoopEnd(const char *ifname); void virNWFilterDHCPSnoopEnd(const char *ifname);
#endif /* __NWFILTER_DHCPSNOOP_H */ #endif /* __NWFILTER_DHCPSNOOP_H */

7
src/nwfilter/nwfilter_gentech_driver.c
View File

@ -618,10 +618,9 @@ virNWFilterDoInstantiate(virNWFilterTechDriverPtr techdriver,
goto err_unresolvable_vars; goto err_unresolvable_vars;
} }
if (STRCASEEQ(learning, "dhcp")) { if (STRCASEEQ(learning, "dhcp")) {
rc = virNWFilterDHCPSnoopReq(techdriver, binding->portdevname, rc = virNWFilterDHCPSnoopReq(techdriver,
binding->linkdevname, binding,
binding->owneruuid, &binding->mac, driver);
filter->name, binding->filterparams, driver);
goto err_exit; goto err_exit;
} else if (STRCASEEQ(learning, "any")) { } else if (STRCASEEQ(learning, "any")) {
if (!virNWFilterHasLearnReq(ifindex)) { if (!virNWFilterHasLearnReq(ifindex)) {