board/mv_feroceon/mv_hal/neta/nfp/mvNfpBridge.c - uboot/prism - Git at Google

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 /*******************************************************************************
 * mvNfpBridge.c - Marvell Fast Network Processing
 *
 * DESCRIPTION:
 *
 *       Supported Features:
 *       - OS independent.
 *
 *******************************************************************************/

 #include "mvOs.h"
 #include "mvDebug.h"
 #include "mvList.h"
 #include "gbe/mvNeta.h"
 #include "mvNfpDefs.h"
 #include "mvNfp.h"

 NFP_RULE_BRIDGE **nfp_bridge_hash = NULL;
 #ifdef NFP_CLASSIFY
 MV_LIST_ELEMENT *bridge_inv_list = NULL;
 #endif /* NFP_CLASSIFY */

 MV_STATUS _INIT mvNfpBridgeInit(void)
 {
 	MV_U32 bytes = sizeof(NFP_RULE_BRIDGE *) * NFP_BRIDGE_HASH_SIZE;

 	nfp_bridge_hash = (NFP_RULE_BRIDGE **)mvOsMalloc(bytes);
 	if (nfp_bridge_hash == NULL) {
 		mvOsPrintf("NFP (bridge hash): not enough memory\n");
 		return MV_NO_RESOURCE;
 	}
 	mvOsMemset(nfp_bridge_hash, 0, bytes);
 #ifdef NFP_CLASSIFY
 	bridge_inv_list = mvListCreate();
 	if (bridge_inv_list == NULL) {
 		mvOsPrintf("NFP (bridge): not enough memory\n");
 		mvOsFree(nfp_bridge_hash);
 		return MV_NO_RESOURCE;
 	}
 #endif /* NFP_CLASSIFY */
 	mvOsPrintf("NFP (bridge) init %d entries, %d bytes\n", NFP_BRIDGE_HASH_SIZE, bytes);

 	return MV_OK;
 }

 /* Clear Bridge Rule Database */
 MV_STATUS mvNfpBridgeClear(void)
 {
 	int	i;
 	NFP_RULE_BRIDGE	*rule, *tmp;
 #ifdef NFP_CLASSIFY
 	MV_LIST_ELEMENT	*curr, *tmp_list;
 #endif /* NFP_CLASSIFY */

 	if (nfp_bridge_hash == NULL)
 		return MV_NOT_INITIALIZED;

 	for (i = 0; i < NFP_BRIDGE_HASH_SIZE; i++) {

 		rule = nfp_bridge_hash[i];
 		while (rule) {
 			tmp = rule;
 			rule = rule->next;
 			mvOsFree(tmp);
 		}
 		nfp_bridge_hash[i] = NULL;
 	}
 #ifdef NFP_CLASSIFY
 	/* Clean bridge invalid rules list */
 	if (bridge_inv_list) {
 		curr = bridge_inv_list->next;
 		while (curr) {
 			tmp_list = curr->next;
 			rule = (NFP_RULE_BRIDGE *)curr->data;
 			mvOsFree(rule);
 			mvListDel(curr);
 			curr = tmp_list;
 		}
 	}
 #endif /* NFP_CLASSIFY */
 	return MV_OK;
 }

 void mvNfpBridgeDestroy(void)
 {
 	if (nfp_bridge_hash != NULL)
 		mvOsFree(nfp_bridge_hash);
 #ifdef NFP_CLASSIFY
 	mvListDestroy(bridge_inv_list);
 #endif /* NFP_CLASSIFY */
 }

 #ifdef NFP_CLASSIFY
 static NFP_RULE_BRIDGE *mvNfpBridgeRuleInvalidLookup(NFP_RULE_BRIDGE *rule2)
 {
 	MV_LIST_ELEMENT	*curr;
 	NFP_RULE_BRIDGE *rule;

 	if (!bridge_inv_list)
 		return NULL;

 	curr = bridge_inv_list->next;
 	while (curr) {
 		rule = (NFP_RULE_BRIDGE *)curr->data;
 		if (mvNfpBridgeRuleCmp(rule2->da, rule2->sa, rule2->iif, rule))
 			return rule;
 		curr = curr->next;
 	}
 	return NULL;
 }

 NFP_RULE_BRIDGE *mvNfpBridgeClassifyRuleCreate(NFP_RULE_BRIDGE *rule2)
 {
 	/* rule not exist - create rule and mark it as "not exist" */
 	NFP_RULE_BRIDGE *rule = (NFP_RULE_BRIDGE *)mvOsMalloc(sizeof(NFP_RULE_BRIDGE));
 	if (!rule) {
 		mvOsPrintf("%s: OOM\n", __func__);
 		return NULL;
 	}

 	mvOsMemcpy(rule, rule2, sizeof(NFP_RULE_BRIDGE));

 	rule->flags |= NFP_F_BR_NOT_EXIST;
 	/* this rule is invalid until mvNfpBridgeRuleAdd will be called */
 	mvListAddHead(bridge_inv_list, (MV_ULONG)rule);
 	return rule;
 }
 #endif /* NFP_CLASSIFY */

 void mvNfpBridgeFibUpdate(NFP_RULE_BRIDGE *rule, int prev_oif)
 {
 	MV_LIST_ELEMENT	*curr, *tmp;
 	int i;
 	NFP_RULE_FIB	*fib;
 	NFP_IF_MAP      *outIfMap;

 	outIfMap = mvNfpIfMapGet(rule->oif);
 	/* Update relevant FIB rules */
 	for (i = 0; i < NFP_FIB_HASH_SIZE; i++) {
 		fib = fib_hash[i];
 		while (fib) {
 			if ((prev_oif == fib->oif) &&
 			    (!memcmp(rule->da, fib->da, MV_MAC_ADDR_SIZE)) &&
 			    (!memcmp(rule->sa, fib->sa, MV_MAC_ADDR_SIZE))) {
 				fib->oif = outIfMap->ifIdx;
 				fib->mh = outIfMap->txMh;
 			}
 			fib = fib->next;
 		}
 	}

 	curr = fib_inv_list->next;
 	while (curr) {
 		fib = (NFP_RULE_FIB *)curr->data;
 		tmp = curr->next;
 		if ((prev_oif == fib->oif) &&
 		    (!memcmp(rule->da, fib->da, MV_MAC_ADDR_SIZE)) &&
 		    (!memcmp(rule->sa, fib->sa, MV_MAC_ADDR_SIZE))) {
 			fib->oif = outIfMap->ifIdx;
 			fib->mh = outIfMap->txMh;
 			fib->flags &= ~NFP_F_FIB_BRIDGE_INV;

 			mvNfpFibRuleValid(fib, curr);
 		}
 		curr = tmp;
 	}
 }

 MV_STATUS mvNfpBridgeRuleAdd(NFP_RULE_BRIDGE *rule2)
 {
 	MV_U32          hash;
 	NFP_RULE_BRIDGE *rule;
 	NFP_RULE_FIB    *fib;
 	MV_LIST_ELEMENT	*curr, *tmp;
 	NFP_IF_MAP      *inIfMap, *outIfMap;

 	hash = mvNfpBridgeRuleHash(rule2->da, rule2->sa, rule2->iif);
 	rule = nfp_bridge_hash[hash];
 	while (rule) {
 		if (mvNfpBridgeRuleCmp(rule2->da, rule2->sa, rule2->iif, rule)) {
 			MV_U32 age = rule->age;

 			/* Update rule, but save age */
 			mvNfpBridgeFibUpdate(rule2, mvNfpIfMapGet(rule->oif)->ifIdx);
 			mvOsMemcpy(rule, rule2, sizeof(NFP_RULE_BRIDGE));
 			rule->age = age;
 			goto out;
 		}
 		rule = rule->next;
 	}

 	/* New rule - check that iif and oif connected to the same bridgeIf */
 	inIfMap = mvNfpIfMapGet(rule2->iif);
 	outIfMap = mvNfpIfMapGet(rule2->oif);

 	if (mvNfpIfOnSameBridge(inIfMap, outIfMap) == MV_FALSE) {
 		mvOsPrintf("%s: iif=%d and oif=%d are not connected to the same bridge\n",
 					__func__, rule2->iif, rule2->oif);
 		return MV_FAIL;
 	}
 #ifdef NFP_CLASSIFY
 	/* check if there is an invalid rule */
 	rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (rule && (rule->flags & NFP_F_BR_NOT_EXIST)) {
 		rule->flags &= ~NFP_F_BR_NOT_EXIST;
 		rule->oif = rule2->oif;
 		/* remove from invalid list */
 		curr = mvListFind(bridge_inv_list, (MV_ULONG)rule);
 		mvListDel(curr);
 	} else {
 #endif /* NFP_CLASSIFY */
 	rule = (NFP_RULE_BRIDGE *)mvOsMalloc(sizeof(NFP_RULE_BRIDGE));
 	if (rule == NULL) {
 		mvOsPrintf("%s: NFP (bridge rule) - OOM\n", __func__);
 		return MV_FAIL;
 	}

 	mvOsMemcpy(rule, rule2, sizeof(NFP_RULE_BRIDGE));
 #ifdef NFP_CLASSIFY
 	}
 #endif /* NFP_CLASSIFY */

 	rule->next = nfp_bridge_hash[hash];
 	nfp_bridge_hash[hash] = rule;

 	/* Update incomplete FIB entries */
 	curr = fib_inv_list->next;
 	while (curr) {
 		fib = (NFP_RULE_FIB *)curr->data;
 		tmp = curr->next;
 		if ((rule->iif == fib->oif) &&
 		    (!memcmp(rule->da, fib->da, MV_MAC_ADDR_SIZE)) &&
 		    (!memcmp(rule->sa, fib->sa, MV_MAC_ADDR_SIZE))) {

 			/* Found incomplete FIB entry */
 			fib->oif = outIfMap->ifIdx;
 			fib->mh = outIfMap->txMh;
 			fib->flags &= ~NFP_F_FIB_BRIDGE_INV;

 			mvNfpFibRuleValid(fib, curr);
 		}
 		curr = tmp;
 	}

 out:
 	NFP_DBG("NFP (bridge) add %p\n", rule);
 	return MV_OK;
 }

 MV_STATUS mvNfpBridgeRuleDel(NFP_RULE_BRIDGE *rule2)
 {
 	MV_U32 hash;
 	NFP_RULE_BRIDGE *rule, *prev;
 	NFP_RULE_FIB	*fib, *fib_prev;
 	NFP_IF_MAP      *ifMap;
 	int i;
 #ifdef NFP_CLASSIFY
 	MV_LIST_ELEMENT	*element;
 #endif /* NFP_CLASSIFY */

 	hash = mvNfpBridgeRuleHash(rule2->da, rule2->sa, rule2->iif);

 	rule = nfp_bridge_hash[hash];
 	prev = NULL;

 	while (rule) {
 		if (mvNfpBridgeRuleCmp(rule2->da, rule2->sa, rule2->iif, rule)) {
 			/* Found: delete rule */
 			if (prev)
 				prev->next = rule->next;
 			else
 				nfp_bridge_hash[hash] = rule->next;

 			NFP_DBG("NFP (bridge) del %p\n", rule);
 			rule2->oif = rule->oif;
 			mvOsFree(rule);
 			break;
 		}
 		prev = rule;
 		rule = rule->next;
 	}
 #ifdef NFP_CLASSIFY
 	if (!rule) {
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 		if (rule) {
 			element = mvListFind(bridge_inv_list, (MV_ULONG)rule);
 			mvListDel(element);
 			mvOsFree(rule);
 			/* invalid bridge rules doesn't affect fib rules */
 			return MV_OK;
 		}
 	}
 #endif /* NFP_CLASSIFY */
 	if (!rule)
 		return MV_NOT_FOUND;

 	/* Invalidate relevant FIB rules */
 	ifMap = mvNfpIfMapGet(rule2->oif);

 	for (i = 0; i < NFP_FIB_HASH_SIZE; i++) {
 		fib = fib_hash[i];
 		fib_prev = NULL;
 		while (fib) {
 			if ((rule2->oif == fib->oif) &&
 				(!memcmp(rule2->da, fib->da, MV_MAC_ADDR_SIZE))) {
 				/* Invalidate FIB route. FIXME - update HWF rule */
 				fib->flags |= NFP_F_FIB_BRIDGE_INV;
 				fib->oif = ifMap->bridgeIf;

 				/* Remove FIB rule from hash table */
 				if (fib_prev)
 					fib_prev->next = fib->next;
 				else
 					fib_hash[i] = fib->next;

 				/* Add FIB rule to incomplete list */
 				mvListAddHead(fib_inv_list, (MV_ULONG)fib);
 #ifdef NFP_CT
 				/* Invalidate relevant CT rules */
 				mvNfpCtRuleFibInvalidate(fib);
 #endif /* NFP_CT */
 			}
 			fib_prev = fib;
 			fib = fib->next;
 		}
 	}
 	return MV_OK;
 }

 MV_STATUS mvNfpBridgeRuleAge(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 #ifdef NFP_CLASSIFY
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 #endif /* NFP_CLASSIFY */
 	if (rule) {
 		rule2->age = rule->age;
 		rule->age = 0;
 		return MV_OK;
 	}
 	rule2->age = 0;
 	return MV_NOT_FOUND;
 }

 #ifdef NFP_CLASSIFY
 MV_STATUS mvNfpBridgeTxqRuleAdd(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	/* sanity: chack txq parameter */
 	if ((rule2->txq < 0) || (rule2->txq >= CONFIG_MV_ETH_TXQ)) {
 		mvOsPrintf("%s Error: txq (%d) is out of range\n", __func__, rule2->txq);
 		return MV_BAD_PARAM;
 	}
 	if (!(rule2->flags & NFP_F_BR_SET_TXQ)) {
 		mvOsPrintf("%s: NFP_F_BR_SET_TXQ flag is not set\n", __func__);
 		return MV_BAD_PARAM;
 	}

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (!rule) {
 		rule = mvNfpBridgeClassifyRuleCreate(rule2);
 		if (!rule)
 			return MV_FAIL;
 	}

 	/* Update rule Txq table */
 	rule->txq = rule2->txq;
 	rule->flags |= NFP_F_BR_SET_TXQ;

 	NFP_DBG("NFP (bridge txq) set %p\n", rule);

 	return MV_OK;
 }

 MV_STATUS mvNfpBridgeTxqRuleDel(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (rule) {
 		rule->txq = 0;
 		rule->flags &= ~NFP_F_BR_SET_TXQ;
 		return MV_OK;
 	}

 	return MV_NOT_FOUND;
 }

 MV_STATUS mvNfpBridgeTxpRuleAdd(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	/* sanity: chack txp parameter */
 	if (rule2->txp < 0) {
 		mvOsPrintf("%s Error: txp (%d) is out of range\n", __func__, rule2->txp);
 		return MV_BAD_PARAM;
 	}
 	if (!(rule2->flags & NFP_F_BR_SET_TXP)) {
 		mvOsPrintf("%s: NFP_F_BR_SET_TXP flag is not set\n", __func__);
 		return MV_BAD_PARAM;
 	}

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (!rule) {
 		rule = mvNfpBridgeClassifyRuleCreate(rule2);
 		if (!rule)
 			return MV_FAIL;
 	}

 	/* Update rule Txp table */
 	rule->txp = rule2->txp;
 	rule->flags |= NFP_F_BR_SET_TXP;

 	NFP_DBG("NFP (bridge txp) set %p\n", rule);

 	return MV_OK;
 }

 MV_STATUS mvNfpBridgeTxpRuleDel(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (rule) {
 		rule->txp = 0;
 		rule->flags &= ~NFP_F_BR_SET_TXP;
 		return MV_OK;
 	}

 	return MV_NOT_FOUND;
 }

 MV_STATUS mvNfpBridgeMhRuleAdd(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	/* sanity: chack MH parameter */
 	if ((rule2->mh < 0) || (rule2->mh >= 0xFFFF)) {
 		mvOsPrintf("%s Error: mh (%d) is out of range\n", __func__, rule2->mh);
 		return MV_BAD_PARAM;
 	}
 	if (!(rule2->flags & NFP_F_BR_SET_MH)) {
 		mvOsPrintf("%s: NFP_F_BR_SET_MH flag is not set\n", __func__);
 		return MV_BAD_PARAM;
 	}

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (!rule) {
 		rule = mvNfpBridgeClassifyRuleCreate(rule2);
 		if (!rule)
 			return MV_FAIL;
 	}

 	/* Update rule Txq table */
 	rule->mh = rule2->mh;
 	rule->flags |= NFP_F_BR_SET_MH;

 	NFP_DBG("NFP (bridge mh) set %p\n", rule);

 	return MV_OK;
 }

 MV_STATUS mvNfpBridgeMhRuleDel(NFP_RULE_BRIDGE *rule2)
 {
 	NFP_RULE_BRIDGE *rule;

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (rule) {
 		rule->mh = 0;
 		rule->flags &= ~NFP_F_BR_SET_MH;
 		return MV_OK;
 	}

 	return MV_NOT_FOUND;
 }

 MV_STATUS mvNfpBridgeVlanPrioRuleAdd(NFP_RULE_BRIDGE *rule2, int eth_type, int new_prio)
 {
 	NFP_RULE_BRIDGE *rule;
 	int i, first;

 	/* sanity: chack new_prio parameter */
 	if ((new_prio < NFP_VPRI_MIN) || (new_prio > NFP_VPRI_MAX)) {
 		mvOsPrintf("%s Error: new_prio value (%d) is out of range\n", __func__, new_prio);
 		return MV_BAD_PARAM;
 	}

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (!rule) {
 		rule = mvNfpBridgeClassifyRuleCreate(rule2);
 		if (!rule)
 			return MV_FAIL;
 	}

 	if (eth_type == MV_ETH_NFP_GLOBAL_MAP) {
 		rule->vpri_map[NFP_VPRI_MAP_GLOBAL].eth_type = eth_type;
 		rule->vpri_map[NFP_VPRI_MAP_GLOBAL].new_prio = new_prio;
 		rule->vpri_map[NFP_VPRI_MAP_GLOBAL].valid = MV_TRUE;
 	} else {
 		for (first = -1, i = 0; i < NFP_VPRI_MAP_GLOBAL; i++) {
 			if (rule->vpri_map[i].eth_type == eth_type) {
 				rule->vpri_map[i].new_prio = new_prio;	/* just update */
 				return MV_OK;
 			}
 			if ((first == -1) && (rule->vpri_map[i].valid == MV_FALSE))
 				first = i;
 		}
 		if (first != -1) {
 			rule->vpri_map[first].eth_type = eth_type;
 			rule->vpri_map[first].new_prio = new_prio;
 			rule->vpri_map[first].valid = MV_TRUE;
 		} else {
 			mvOsPrintf("%s Error: No available space for additional VPRIO mapping\n", __func__);
 		}
 	}
 	rule->flags |= NFP_F_BR_SET_VLAN_PRIO;

 	return MV_OK;
 }

 static INLINE MV_STATUS mvNfpIsVpriSet(NFP_RULE_BRIDGE *rule)
 {
 	int i;

 	for (i = 0; i <= NFP_VPRI_MAP_GLOBAL; i++)
 		if (rule->vpri_map[i].valid)
 			return MV_TRUE;

 	return MV_FALSE;
 }

 MV_STATUS mvNfpBridgeVlanPrioRuleDel(NFP_RULE_BRIDGE *rule2, int eth_type)
 {
 	NFP_RULE_BRIDGE *rule;
 	int i;

 	/* sanity: check eth_type parameter */
 	if ((eth_type < MV_ETH_NFP_GLOBAL_MAP) || (eth_type > 0xFFFF)) {
 		mvOsPrintf("%s Error: eth_type value (%d) is out of range\n", __func__, eth_type);
 		return MV_BAD_PARAM;
 	}

 	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
 	if (!rule)
 		rule = mvNfpBridgeRuleInvalidLookup(rule2);
 	if (rule) {
 		if (eth_type == MV_ETH_NFP_GLOBAL_MAP) {
 			rule->vpri_map[NFP_VPRI_MAP_GLOBAL].eth_type = 0;
 			rule->vpri_map[NFP_VPRI_MAP_GLOBAL].new_prio = 0;
 			rule->vpri_map[NFP_VPRI_MAP_GLOBAL].valid = MV_FALSE;
 		} else {
 			for (i = 0; i <= NFP_VPRI_MAP_GLOBAL; i++) {
 				if (rule->vpri_map[i].eth_type == eth_type) {
 					rule->vpri_map[i].eth_type = 0;
 					rule->vpri_map[i].new_prio = 0;
 					rule->vpri_map[i].valid = MV_FALSE;
 				}
 			}
 		}
 		if (!mvNfpIsVpriSet(rule))
 			rule->flags &= ~NFP_F_BR_SET_VLAN_PRIO;

 		return MV_OK;
 	}

 	return MV_NOT_FOUND;
 }
 #endif /* NFP_CLASSIFY */


 static void mvNfpBridgeRulePrint(NFP_RULE_BRIDGE *rule)
 {
 #ifdef NFP_CLASSIFY
 	int i;
 #endif /* NFP_CLASSIFY */

 	mvOsPrintf("Bridge: ");

 	mvOsPrintf(" DA=" MV_MACQUAD_FMT ", SA=" MV_MACQUAD_FMT ", iif=%u, oif=%u, flags=0x%04x, age=%u\n",
 		MV_MACQUAD(rule->da), MV_MACQUAD(rule->sa), rule->iif, rule->oif, rule->flags, rule->age);

 #ifdef NFP_CLASSIFY
 	if (rule->flags & NFP_F_BR_SET_VLAN_PRIO) {
 		mvOsPrintf(" VLAN Prio Map: ");
 		mvOsPrintf("eth_type\t\tVPrio\n");
 		for (i = 0; i <= NFP_VPRI_MAP_GLOBAL; i++) {
 			if (rule->vpri_map[i].valid) {
 				if (i == NFP_VPRI_MAP_GLOBAL)
 					mvOsPrintf("Global:\t\t%d\n", rule->vpri_map[i].new_prio);
 				else
 					mvOsPrintf("0x%X\t\t%d\n", rule->vpri_map[i].eth_type, rule->vpri_map[i].new_prio);
 			}
 		}
 	}
 	if (rule->flags & NFP_F_BR_NOT_EXIST)
 		mvOsPrintf("This rule is in classification context - use mvNfpBridgeRuleAdd() to make it valid\n");
 #endif /* NFP_CLASSIFY */
 }

 void mvNfpBridgeDump(void)
 {
 	int             i;
 	NFP_RULE_BRIDGE *rule;
 #ifdef NFP_CLASSIFY
 	MV_LIST_ELEMENT	*curr;
 #endif /* NFP_CLASSIFY */

 	mvOsPrintf("\n(bridge)\n");
 	for (i = 0; i < NFP_BRIDGE_HASH_SIZE; i++) {
 		rule = nfp_bridge_hash[i];

 		while (rule) {
 			mvOsPrintf(" [%5d] ", i);
 			mvNfpBridgeRulePrint(rule);
 			rule = rule->next;
 		}
 	}
 #ifdef NFP_CLASSIFY
 	if (!bridge_inv_list)
 		return;
 	mvOsPrintf("(bridge_inv_list)\n");
 	curr = bridge_inv_list->next;
 	while (curr) {
 		rule = (NFP_RULE_BRIDGE *)curr->data;
 		mvNfpBridgeRulePrint(rule);
 		curr = curr->next;
 	}
 #endif /* NFP_CLASSIFY */
 }

 void mvNfpFlushBridge(int ifindex)
 {
 	int i;

 	NFP_RULE_BRIDGE *rule;

 	for (i = 0; i < NFP_BRIDGE_HASH_SIZE; i++) {
 		rule = nfp_bridge_hash[i];

 		while (rule) {
 			if ((rule->iif == ifindex) || (rule->oif == ifindex) || (ifindex == -1))
 				mvNfpBridgeRuleDel(rule);
 			rule = rule->next;
 		}
 	}
 }
	/*******************************************************************************
	Copyright (C) Marvell Interfdbional Ltd. and its affiliates

	This software file (the "File") is owned and distributed by Marvell
	Interfdbional Ltd. and/or its affiliates ("Marvell") under the following
	alterfdbive licensing terms. Once you have made an election to distribute the
	File under one of the following license alterfdbives, please (i) delete this
	introductory statement regarding license alterfdbives, (ii) delete the two
	license alterfdbives that you have not elected to use and (iii) preserve the
	Marvell copyright notice above.

	********************************************************************************
	Marvell Commercial License Option

	If you received this File from Marvell and you have entered into a commercial
	license agreement (a "Commercial License") with Marvell, the File is licensed
	to you under the terms of the applicable Commercial License.

	********************************************************************************
	Marvell GPL License Option

	If you received this File from Marvell, you may opt to use, redistribute and/or
	modify this File in accordance with the terms and conditions of the General
	Public License Version 2, June 1991 (the "GPL License"), a copy of which is
	available along with the File in the license.txt file or by writing to the Free
	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
	on the worldwide web at http://www.gnu.org/licenses/gpl.txt.

	THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
	WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
	DISCLAIMED. The GPL License provides additional details about this warranty
	disclaimer.
	********************************************************************************
	Marvell BSD License Option

	If you received this File from Marvell, you may opt to use, redistribute and/or
	modify this File under the following licensing terms.
	Redistribution and use in source and binary forms, with or without modification,
	are permitted provided that the following conditions are met:

	* Redistributions of source code must retain the above copyright notice,
	this list of conditions and the following disclaimer.

	* Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.

	* Neither the name of Marvell nor the names of its contributors may be
	used to endorse or promote products derived from this software without
	specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
	ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	*******************************************************************************/

	/*******************************************************************************
	* mvNfpBridge.c - Marvell Fast Network Processing
	*
	* DESCRIPTION:
	*
	* Supported Features:
	* - OS independent.
	*
	*******************************************************************************/

	#include "mvOs.h"
	#include "mvDebug.h"
	#include "mvList.h"
	#include "gbe/mvNeta.h"
	#include "mvNfpDefs.h"
	#include "mvNfp.h"

	NFP_RULE_BRIDGE **nfp_bridge_hash = NULL;
	#ifdef NFP_CLASSIFY
	MV_LIST_ELEMENT *bridge_inv_list = NULL;
	#endif /* NFP_CLASSIFY */

	MV_STATUS _INIT mvNfpBridgeInit(void)
	{
	MV_U32 bytes = sizeof(NFP_RULE_BRIDGE ) NFP_BRIDGE_HASH_SIZE;

	nfp_bridge_hash = (NFP_RULE_BRIDGE **)mvOsMalloc(bytes);
	if (nfp_bridge_hash == NULL) {
	mvOsPrintf("NFP (bridge hash): not enough memory\n");
	return MV_NO_RESOURCE;
	}
	mvOsMemset(nfp_bridge_hash, 0, bytes);
	#ifdef NFP_CLASSIFY
	bridge_inv_list = mvListCreate();
	if (bridge_inv_list == NULL) {
	mvOsPrintf("NFP (bridge): not enough memory\n");
	mvOsFree(nfp_bridge_hash);
	return MV_NO_RESOURCE;
	}
	#endif /* NFP_CLASSIFY */
	mvOsPrintf("NFP (bridge) init %d entries, %d bytes\n", NFP_BRIDGE_HASH_SIZE, bytes);

	return MV_OK;
	}

	/* Clear Bridge Rule Database */
	MV_STATUS mvNfpBridgeClear(void)
	{
	int i;
	NFP_RULE_BRIDGE rule, tmp;
	#ifdef NFP_CLASSIFY
	MV_LIST_ELEMENT curr, tmp_list;
	#endif /* NFP_CLASSIFY */

	if (nfp_bridge_hash == NULL)
	return MV_NOT_INITIALIZED;

	for (i = 0; i < NFP_BRIDGE_HASH_SIZE; i++) {

	rule = nfp_bridge_hash[i];
	while (rule) {
	tmp = rule;
	rule = rule->next;
	mvOsFree(tmp);
	}
	nfp_bridge_hash[i] = NULL;
	}
	#ifdef NFP_CLASSIFY
	/* Clean bridge invalid rules list */
	if (bridge_inv_list) {
	curr = bridge_inv_list->next;
	while (curr) {
	tmp_list = curr->next;
	rule = (NFP_RULE_BRIDGE *)curr->data;
	mvOsFree(rule);
	mvListDel(curr);
	curr = tmp_list;
	}
	}
	#endif /* NFP_CLASSIFY */
	return MV_OK;
	}

	void mvNfpBridgeDestroy(void)
	{
	if (nfp_bridge_hash != NULL)
	mvOsFree(nfp_bridge_hash);
	#ifdef NFP_CLASSIFY
	mvListDestroy(bridge_inv_list);
	#endif /* NFP_CLASSIFY */
	}

	#ifdef NFP_CLASSIFY
	static NFP_RULE_BRIDGE mvNfpBridgeRuleInvalidLookup(NFP_RULE_BRIDGE rule2)
	{
	MV_LIST_ELEMENT *curr;
	NFP_RULE_BRIDGE *rule;

	if (!bridge_inv_list)
	return NULL;

	curr = bridge_inv_list->next;
	while (curr) {
	rule = (NFP_RULE_BRIDGE *)curr->data;
	if (mvNfpBridgeRuleCmp(rule2->da, rule2->sa, rule2->iif, rule))
	return rule;
	curr = curr->next;
	}
	return NULL;
	}

	NFP_RULE_BRIDGE mvNfpBridgeClassifyRuleCreate(NFP_RULE_BRIDGE rule2)
	{
	/* rule not exist - create rule and mark it as "not exist" */
	NFP_RULE_BRIDGE rule = (NFP_RULE_BRIDGE )mvOsMalloc(sizeof(NFP_RULE_BRIDGE));
	if (!rule) {
	mvOsPrintf("%s: OOM\n", __func__);
	return NULL;
	}

	mvOsMemcpy(rule, rule2, sizeof(NFP_RULE_BRIDGE));

	rule->flags \|= NFP_F_BR_NOT_EXIST;
	/* this rule is invalid until mvNfpBridgeRuleAdd will be called */
	mvListAddHead(bridge_inv_list, (MV_ULONG)rule);
	return rule;
	}
	#endif /* NFP_CLASSIFY */

	void mvNfpBridgeFibUpdate(NFP_RULE_BRIDGE *rule, int prev_oif)
	{
	MV_LIST_ELEMENT curr, tmp;
	int i;
	NFP_RULE_FIB *fib;
	NFP_IF_MAP *outIfMap;

	outIfMap = mvNfpIfMapGet(rule->oif);
	/* Update relevant FIB rules */
	for (i = 0; i < NFP_FIB_HASH_SIZE; i++) {
	fib = fib_hash[i];
	while (fib) {
	if ((prev_oif == fib->oif) &&
	(!memcmp(rule->da, fib->da, MV_MAC_ADDR_SIZE)) &&
	(!memcmp(rule->sa, fib->sa, MV_MAC_ADDR_SIZE))) {
	fib->oif = outIfMap->ifIdx;
	fib->mh = outIfMap->txMh;
	}
	fib = fib->next;
	}
	}

	curr = fib_inv_list->next;
	while (curr) {
	fib = (NFP_RULE_FIB *)curr->data;
	tmp = curr->next;
	if ((prev_oif == fib->oif) &&
	(!memcmp(rule->da, fib->da, MV_MAC_ADDR_SIZE)) &&
	(!memcmp(rule->sa, fib->sa, MV_MAC_ADDR_SIZE))) {
	fib->oif = outIfMap->ifIdx;
	fib->mh = outIfMap->txMh;
	fib->flags &= ~NFP_F_FIB_BRIDGE_INV;

	mvNfpFibRuleValid(fib, curr);
	}
	curr = tmp;
	}
	}

	MV_STATUS mvNfpBridgeRuleAdd(NFP_RULE_BRIDGE *rule2)
	{
	MV_U32 hash;
	NFP_RULE_BRIDGE *rule;
	NFP_RULE_FIB *fib;
	MV_LIST_ELEMENT curr, tmp;
	NFP_IF_MAP inIfMap, outIfMap;

	hash = mvNfpBridgeRuleHash(rule2->da, rule2->sa, rule2->iif);
	rule = nfp_bridge_hash[hash];
	while (rule) {
	if (mvNfpBridgeRuleCmp(rule2->da, rule2->sa, rule2->iif, rule)) {
	MV_U32 age = rule->age;

	/* Update rule, but save age */
	mvNfpBridgeFibUpdate(rule2, mvNfpIfMapGet(rule->oif)->ifIdx);
	mvOsMemcpy(rule, rule2, sizeof(NFP_RULE_BRIDGE));
	rule->age = age;
	goto out;
	}
	rule = rule->next;
	}

	/* New rule - check that iif and oif connected to the same bridgeIf */
	inIfMap = mvNfpIfMapGet(rule2->iif);
	outIfMap = mvNfpIfMapGet(rule2->oif);

	if (mvNfpIfOnSameBridge(inIfMap, outIfMap) == MV_FALSE) {
	mvOsPrintf("%s: iif=%d and oif=%d are not connected to the same bridge\n",
	__func__, rule2->iif, rule2->oif);
	return MV_FAIL;
	}
	#ifdef NFP_CLASSIFY
	/* check if there is an invalid rule */
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (rule && (rule->flags & NFP_F_BR_NOT_EXIST)) {
	rule->flags &= ~NFP_F_BR_NOT_EXIST;
	rule->oif = rule2->oif;
	/* remove from invalid list */
	curr = mvListFind(bridge_inv_list, (MV_ULONG)rule);
	mvListDel(curr);
	} else {
	#endif /* NFP_CLASSIFY */
	rule = (NFP_RULE_BRIDGE *)mvOsMalloc(sizeof(NFP_RULE_BRIDGE));
	if (rule == NULL) {
	mvOsPrintf("%s: NFP (bridge rule) - OOM\n", __func__);
	return MV_FAIL;
	}

	mvOsMemcpy(rule, rule2, sizeof(NFP_RULE_BRIDGE));
	#ifdef NFP_CLASSIFY
	}
	#endif /* NFP_CLASSIFY */

	rule->next = nfp_bridge_hash[hash];
	nfp_bridge_hash[hash] = rule;

	/* Update incomplete FIB entries */
	curr = fib_inv_list->next;
	while (curr) {
	fib = (NFP_RULE_FIB *)curr->data;
	tmp = curr->next;
	if ((rule->iif == fib->oif) &&
	(!memcmp(rule->da, fib->da, MV_MAC_ADDR_SIZE)) &&
	(!memcmp(rule->sa, fib->sa, MV_MAC_ADDR_SIZE))) {

	/* Found incomplete FIB entry */
	fib->oif = outIfMap->ifIdx;
	fib->mh = outIfMap->txMh;
	fib->flags &= ~NFP_F_FIB_BRIDGE_INV;

	mvNfpFibRuleValid(fib, curr);
	}
	curr = tmp;
	}

	out:
	NFP_DBG("NFP (bridge) add %p\n", rule);
	return MV_OK;
	}

	MV_STATUS mvNfpBridgeRuleDel(NFP_RULE_BRIDGE *rule2)
	{
	MV_U32 hash;
	NFP_RULE_BRIDGE rule, prev;
	NFP_RULE_FIB fib, fib_prev;
	NFP_IF_MAP *ifMap;
	int i;
	#ifdef NFP_CLASSIFY
	MV_LIST_ELEMENT *element;
	#endif /* NFP_CLASSIFY */

	hash = mvNfpBridgeRuleHash(rule2->da, rule2->sa, rule2->iif);

	rule = nfp_bridge_hash[hash];
	prev = NULL;

	while (rule) {
	if (mvNfpBridgeRuleCmp(rule2->da, rule2->sa, rule2->iif, rule)) {
	/* Found: delete rule */
	if (prev)
	prev->next = rule->next;
	else
	nfp_bridge_hash[hash] = rule->next;

	NFP_DBG("NFP (bridge) del %p\n", rule);
	rule2->oif = rule->oif;
	mvOsFree(rule);
	break;
	}
	prev = rule;
	rule = rule->next;
	}
	#ifdef NFP_CLASSIFY
	if (!rule) {
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (rule) {
	element = mvListFind(bridge_inv_list, (MV_ULONG)rule);
	mvListDel(element);
	mvOsFree(rule);
	/* invalid bridge rules doesn't affect fib rules */
	return MV_OK;
	}
	}
	#endif /* NFP_CLASSIFY */
	if (!rule)
	return MV_NOT_FOUND;

	/* Invalidate relevant FIB rules */
	ifMap = mvNfpIfMapGet(rule2->oif);

	for (i = 0; i < NFP_FIB_HASH_SIZE; i++) {
	fib = fib_hash[i];
	fib_prev = NULL;
	while (fib) {
	if ((rule2->oif == fib->oif) &&
	(!memcmp(rule2->da, fib->da, MV_MAC_ADDR_SIZE))) {
	/* Invalidate FIB route. FIXME - update HWF rule */
	fib->flags \|= NFP_F_FIB_BRIDGE_INV;
	fib->oif = ifMap->bridgeIf;

	/* Remove FIB rule from hash table */
	if (fib_prev)
	fib_prev->next = fib->next;
	else
	fib_hash[i] = fib->next;

	/* Add FIB rule to incomplete list */
	mvListAddHead(fib_inv_list, (MV_ULONG)fib);
	#ifdef NFP_CT
	/* Invalidate relevant CT rules */
	mvNfpCtRuleFibInvalidate(fib);
	#endif /* NFP_CT */
	}
	fib_prev = fib;
	fib = fib->next;
	}
	}
	return MV_OK;
	}

	MV_STATUS mvNfpBridgeRuleAge(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	#ifdef NFP_CLASSIFY
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	#endif /* NFP_CLASSIFY */
	if (rule) {
	rule2->age = rule->age;
	rule->age = 0;
	return MV_OK;
	}
	rule2->age = 0;
	return MV_NOT_FOUND;
	}

	#ifdef NFP_CLASSIFY
	MV_STATUS mvNfpBridgeTxqRuleAdd(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	/* sanity: chack txq parameter */
	if ((rule2->txq < 0) \|\| (rule2->txq >= CONFIG_MV_ETH_TXQ)) {
	mvOsPrintf("%s Error: txq (%d) is out of range\n", __func__, rule2->txq);
	return MV_BAD_PARAM;
	}
	if (!(rule2->flags & NFP_F_BR_SET_TXQ)) {
	mvOsPrintf("%s: NFP_F_BR_SET_TXQ flag is not set\n", __func__);
	return MV_BAD_PARAM;
	}

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (!rule) {
	rule = mvNfpBridgeClassifyRuleCreate(rule2);
	if (!rule)
	return MV_FAIL;
	}

	/* Update rule Txq table */
	rule->txq = rule2->txq;
	rule->flags \|= NFP_F_BR_SET_TXQ;

	NFP_DBG("NFP (bridge txq) set %p\n", rule);

	return MV_OK;
	}

	MV_STATUS mvNfpBridgeTxqRuleDel(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (rule) {
	rule->txq = 0;
	rule->flags &= ~NFP_F_BR_SET_TXQ;
	return MV_OK;
	}

	return MV_NOT_FOUND;
	}

	MV_STATUS mvNfpBridgeTxpRuleAdd(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	/* sanity: chack txp parameter */
	if (rule2->txp < 0) {
	mvOsPrintf("%s Error: txp (%d) is out of range\n", __func__, rule2->txp);
	return MV_BAD_PARAM;
	}
	if (!(rule2->flags & NFP_F_BR_SET_TXP)) {
	mvOsPrintf("%s: NFP_F_BR_SET_TXP flag is not set\n", __func__);
	return MV_BAD_PARAM;
	}

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (!rule) {
	rule = mvNfpBridgeClassifyRuleCreate(rule2);
	if (!rule)
	return MV_FAIL;
	}

	/* Update rule Txp table */
	rule->txp = rule2->txp;
	rule->flags \|= NFP_F_BR_SET_TXP;

	NFP_DBG("NFP (bridge txp) set %p\n", rule);

	return MV_OK;
	}

	MV_STATUS mvNfpBridgeTxpRuleDel(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (rule) {
	rule->txp = 0;
	rule->flags &= ~NFP_F_BR_SET_TXP;
	return MV_OK;
	}

	return MV_NOT_FOUND;
	}

	MV_STATUS mvNfpBridgeMhRuleAdd(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	/* sanity: chack MH parameter */
	if ((rule2->mh < 0) \|\| (rule2->mh >= 0xFFFF)) {
	mvOsPrintf("%s Error: mh (%d) is out of range\n", __func__, rule2->mh);
	return MV_BAD_PARAM;
	}
	if (!(rule2->flags & NFP_F_BR_SET_MH)) {
	mvOsPrintf("%s: NFP_F_BR_SET_MH flag is not set\n", __func__);
	return MV_BAD_PARAM;
	}

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (!rule) {
	rule = mvNfpBridgeClassifyRuleCreate(rule2);
	if (!rule)
	return MV_FAIL;
	}

	/* Update rule Txq table */
	rule->mh = rule2->mh;
	rule->flags \|= NFP_F_BR_SET_MH;

	NFP_DBG("NFP (bridge mh) set %p\n", rule);

	return MV_OK;
	}

	MV_STATUS mvNfpBridgeMhRuleDel(NFP_RULE_BRIDGE *rule2)
	{
	NFP_RULE_BRIDGE *rule;

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (rule) {
	rule->mh = 0;
	rule->flags &= ~NFP_F_BR_SET_MH;
	return MV_OK;
	}

	return MV_NOT_FOUND;
	}

	MV_STATUS mvNfpBridgeVlanPrioRuleAdd(NFP_RULE_BRIDGE *rule2, int eth_type, int new_prio)
	{
	NFP_RULE_BRIDGE *rule;
	int i, first;

	/* sanity: chack new_prio parameter */
	if ((new_prio < NFP_VPRI_MIN) \|\| (new_prio > NFP_VPRI_MAX)) {
	mvOsPrintf("%s Error: new_prio value (%d) is out of range\n", __func__, new_prio);
	return MV_BAD_PARAM;
	}

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (!rule) {
	rule = mvNfpBridgeClassifyRuleCreate(rule2);
	if (!rule)
	return MV_FAIL;
	}

	if (eth_type == MV_ETH_NFP_GLOBAL_MAP) {
	rule->vpri_map[NFP_VPRI_MAP_GLOBAL].eth_type = eth_type;
	rule->vpri_map[NFP_VPRI_MAP_GLOBAL].new_prio = new_prio;
	rule->vpri_map[NFP_VPRI_MAP_GLOBAL].valid = MV_TRUE;
	} else {
	for (first = -1, i = 0; i < NFP_VPRI_MAP_GLOBAL; i++) {
	if (rule->vpri_map[i].eth_type == eth_type) {
	rule->vpri_map[i].new_prio = new_prio; /* just update */
	return MV_OK;
	}
	if ((first == -1) && (rule->vpri_map[i].valid == MV_FALSE))
	first = i;
	}
	if (first != -1) {
	rule->vpri_map[first].eth_type = eth_type;
	rule->vpri_map[first].new_prio = new_prio;
	rule->vpri_map[first].valid = MV_TRUE;
	} else {
	mvOsPrintf("%s Error: No available space for additional VPRIO mapping\n", __func__);
	}
	}
	rule->flags \|= NFP_F_BR_SET_VLAN_PRIO;

	return MV_OK;
	}

	static INLINE MV_STATUS mvNfpIsVpriSet(NFP_RULE_BRIDGE *rule)
	{
	int i;

	for (i = 0; i <= NFP_VPRI_MAP_GLOBAL; i++)
	if (rule->vpri_map[i].valid)
	return MV_TRUE;

	return MV_FALSE;
	}

	MV_STATUS mvNfpBridgeVlanPrioRuleDel(NFP_RULE_BRIDGE *rule2, int eth_type)
	{
	NFP_RULE_BRIDGE *rule;
	int i;

	/* sanity: check eth_type parameter */
	if ((eth_type < MV_ETH_NFP_GLOBAL_MAP) \|\| (eth_type > 0xFFFF)) {
	mvOsPrintf("%s Error: eth_type value (%d) is out of range\n", __func__, eth_type);
	return MV_BAD_PARAM;
	}

	rule = mvNfpBridgeLookup(rule2->da, rule2->sa, rule2->iif);
	if (!rule)
	rule = mvNfpBridgeRuleInvalidLookup(rule2);
	if (rule) {
	if (eth_type == MV_ETH_NFP_GLOBAL_MAP) {
	rule->vpri_map[NFP_VPRI_MAP_GLOBAL].eth_type = 0;
	rule->vpri_map[NFP_VPRI_MAP_GLOBAL].new_prio = 0;
	rule->vpri_map[NFP_VPRI_MAP_GLOBAL].valid = MV_FALSE;
	} else {
	for (i = 0; i <= NFP_VPRI_MAP_GLOBAL; i++) {
	if (rule->vpri_map[i].eth_type == eth_type) {
	rule->vpri_map[i].eth_type = 0;
	rule->vpri_map[i].new_prio = 0;
	rule->vpri_map[i].valid = MV_FALSE;
	}
	}
	}
	if (!mvNfpIsVpriSet(rule))
	rule->flags &= ~NFP_F_BR_SET_VLAN_PRIO;

	return MV_OK;
	}

	return MV_NOT_FOUND;
	}
	#endif /* NFP_CLASSIFY */


	static void mvNfpBridgeRulePrint(NFP_RULE_BRIDGE *rule)
	{
	#ifdef NFP_CLASSIFY
	int i;
	#endif /* NFP_CLASSIFY */

	mvOsPrintf("Bridge: ");

	mvOsPrintf(" DA=" MV_MACQUAD_FMT ", SA=" MV_MACQUAD_FMT ", iif=%u, oif=%u, flags=0x%04x, age=%u\n",
	MV_MACQUAD(rule->da), MV_MACQUAD(rule->sa), rule->iif, rule->oif, rule->flags, rule->age);

	#ifdef NFP_CLASSIFY
	if (rule->flags & NFP_F_BR_SET_VLAN_PRIO) {
	mvOsPrintf(" VLAN Prio Map: ");
	mvOsPrintf("eth_type\t\tVPrio\n");
	for (i = 0; i <= NFP_VPRI_MAP_GLOBAL; i++) {
	if (rule->vpri_map[i].valid) {
	if (i == NFP_VPRI_MAP_GLOBAL)
	mvOsPrintf("Global:\t\t%d\n", rule->vpri_map[i].new_prio);
	else
	mvOsPrintf("0x%X\t\t%d\n", rule->vpri_map[i].eth_type, rule->vpri_map[i].new_prio);
	}
	}
	}
	if (rule->flags & NFP_F_BR_NOT_EXIST)
	mvOsPrintf("This rule is in classification context - use mvNfpBridgeRuleAdd() to make it valid\n");
	#endif /* NFP_CLASSIFY */
	}

	void mvNfpBridgeDump(void)
	{
	int i;
	NFP_RULE_BRIDGE *rule;
	#ifdef NFP_CLASSIFY
	MV_LIST_ELEMENT *curr;
	#endif /* NFP_CLASSIFY */

	mvOsPrintf("\n(bridge)\n");
	for (i = 0; i < NFP_BRIDGE_HASH_SIZE; i++) {
	rule = nfp_bridge_hash[i];

	while (rule) {
	mvOsPrintf(" [%5d] ", i);
	mvNfpBridgeRulePrint(rule);
	rule = rule->next;
	}
	}
	#ifdef NFP_CLASSIFY
	if (!bridge_inv_list)
	return;
	mvOsPrintf("(bridge_inv_list)\n");
	curr = bridge_inv_list->next;
	while (curr) {
	rule = (NFP_RULE_BRIDGE *)curr->data;
	mvNfpBridgeRulePrint(rule);
	curr = curr->next;
	}
	#endif /* NFP_CLASSIFY */
	}

	void mvNfpFlushBridge(int ifindex)
	{
	int i;

	NFP_RULE_BRIDGE *rule;

	for (i = 0; i < NFP_BRIDGE_HASH_SIZE; i++) {
	rule = nfp_bridge_hash[i];

	while (rule) {
	if ((rule->iif == ifindex) \|\| (rule->oif == ifindex) \|\| (ifindex == -1))
	mvNfpBridgeRuleDel(rule);
	rule = rule->next;
	}
	}
	}