X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_lpm%2Frte_lpm.c;h=8c15c4c9ffb204316c407bfc2c31d6f50739bd59;hb=c7e9d6a6ed90a022067f42727d5d1675a3f3df11;hp=3dee15c5e07a8a388efbcbee2e4a31161b406695;hpb=d4c18f0a1d5d03297a393b6bcda90e5acc27c710;p=dpdk.git

diff --git a/lib/librte_lpm/rte_lpm.c b/lib/librte_lpm/rte_lpm.c
index 3dee15c5e0..8c15c4c9ff 100644
--- a/lib/librte_lpm/rte_lpm.c
+++ b/lib/librte_lpm/rte_lpm.c
@@ -209,8 +209,11 @@ rte_lpm_create_v20(const char *name, int socket_id, int max_rules,
 		if (strncmp(name, lpm->name, RTE_LPM_NAMESIZE) == 0)
 			break;
 	}
-	if (te != NULL)
+	lpm = NULL;
+	if (te != NULL) {
+		rte_errno = EEXIST;
 		goto exit;
+	}
 
 	/* allocate tailq entry */
 	te = rte_zmalloc("LPM_TAILQ_ENTRY", sizeof(*te), 0);
@@ -280,8 +283,11 @@ rte_lpm_create_v1604(const char *name, int socket_id,
 		if (strncmp(name, lpm->name, RTE_LPM_NAMESIZE) == 0)
 			break;
 	}
-	if (te != NULL)
+	lpm = NULL;
+	if (te != NULL) {
+		rte_errno = EEXIST;
 		goto exit;
+	}
 
 	/* allocate tailq entry */
 	te = rte_zmalloc("LPM_TAILQ_ENTRY", sizeof(*te), 0);
@@ -303,8 +309,9 @@ rte_lpm_create_v1604(const char *name, int socket_id,
 			(size_t)rules_size, RTE_CACHE_LINE_SIZE, socket_id);
 
 	if (lpm->rules_tbl == NULL) {
-		RTE_LOG(ERR, LPM, "LPM memory allocation failed\n");
+		RTE_LOG(ERR, LPM, "LPM rules_tbl memory allocation failed\n");
 		rte_free(lpm);
+		lpm = NULL;
 		rte_free(te);
 		goto exit;
 	}
@@ -313,8 +320,10 @@ rte_lpm_create_v1604(const char *name, int socket_id,
 			(size_t)tbl8s_size, RTE_CACHE_LINE_SIZE, socket_id);
 
 	if (lpm->tbl8 == NULL) {
-		RTE_LOG(ERR, LPM, "LPM memory allocation failed\n");
+		RTE_LOG(ERR, LPM, "LPM tbl8 memory allocation failed\n");
+		rte_free(lpm->rules_tbl);
 		rte_free(lpm);
+		lpm = NULL;
 		rte_free(te);
 		goto exit;
 	}
@@ -365,7 +374,6 @@ rte_lpm_free_v20(struct rte_lpm_v20 *lpm)
 
 	rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
 
-	rte_free(lpm->rules_tbl);
 	rte_free(lpm);
 	rte_free(te);
 }
@@ -395,6 +403,7 @@ rte_lpm_free_v1604(struct rte_lpm *lpm)
 
 	rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
 
+	rte_free(lpm->tbl8);
 	rte_free(lpm->rules_tbl);
 	rte_free(lpm);
 	rte_free(te);
@@ -742,11 +751,11 @@ add_depth_small_v20(struct rte_lpm_v20 *lpm, uint32_t ip, uint8_t depth,
 				lpm->tbl24[i].depth <= depth)) {
 
 			struct rte_lpm_tbl_entry_v20 new_tbl24_entry = {
-				{ .next_hop = next_hop, },
 				.valid = VALID,
 				.valid_group = 0,
 				.depth = depth,
 			};
+			new_tbl24_entry.next_hop = next_hop;
 
 			/* Setting tbl24 entry in one go to avoid race
 			 * conditions
@@ -773,8 +782,8 @@ add_depth_small_v20(struct rte_lpm_v20 *lpm, uint32_t ip, uint8_t depth,
 						.valid = VALID,
 						.valid_group = VALID,
 						.depth = depth,
-						.next_hop = next_hop,
 					};
+					new_tbl8_entry.next_hop = next_hop;
 
 					/*
 					 * Setting tbl8 entry in one go to avoid
@@ -933,14 +942,9 @@ add_depth_big_v20(struct rte_lpm_v20 *lpm, uint32_t ip_masked, uint8_t depth,
 
 		/* Insert new rule into the tbl8 entry. */
 		for (i = tbl8_index; i < tbl8_index + tbl8_range; i++) {
-			if (!lpm->tbl8[i].valid ||
-					lpm->tbl8[i].depth <= depth) {
-				lpm->tbl8[i].valid = VALID;
-				lpm->tbl8[i].depth = depth;
-				lpm->tbl8[i].next_hop = next_hop;
-
-				continue;
-			}
+			lpm->tbl8[i].valid = VALID;
+			lpm->tbl8[i].depth = depth;
+			lpm->tbl8[i].next_hop = next_hop;
 		}
 
 		/*
@@ -973,10 +977,9 @@ add_depth_big_v20(struct rte_lpm_v20 *lpm, uint32_t ip_masked, uint8_t depth,
 				struct rte_lpm_tbl_entry_v20 new_tbl8_entry = {
 					.valid = VALID,
 					.depth = depth,
-					.next_hop = next_hop,
 					.valid_group = lpm->tbl8[i].valid_group,
 				};
-
+				new_tbl8_entry.next_hop = next_hop;
 				/*
 				 * Setting tbl8 entry in one go to avoid race
 				 * condition
@@ -1065,14 +1068,9 @@ add_depth_big_v1604(struct rte_lpm *lpm, uint32_t ip_masked, uint8_t depth,
 
 		/* Insert new rule into the tbl8 entry. */
 		for (i = tbl8_index; i < tbl8_index + tbl8_range; i++) {
-			if (!lpm->tbl8[i].valid ||
-					lpm->tbl8[i].depth <= depth) {
-				lpm->tbl8[i].valid = VALID;
-				lpm->tbl8[i].depth = depth;
-				lpm->tbl8[i].next_hop = next_hop;
-
-				continue;
-			}
+			lpm->tbl8[i].valid = VALID;
+			lpm->tbl8[i].depth = depth;
+			lpm->tbl8[i].next_hop = next_hop;
 		}
 
 		/*
@@ -1373,9 +1371,9 @@ delete_depth_small_v20(struct rte_lpm_v20 *lpm, uint32_t ip_masked,
 			.valid = VALID,
 			.valid_group = VALID,
 			.depth = sub_rule_depth,
-			.next_hop = lpm->rules_tbl
-			[sub_rule_index].next_hop,
 		};
+		new_tbl8_entry.next_hop =
+				lpm->rules_tbl[sub_rule_index].next_hop;
 
 		for (i = tbl24_index; i < (tbl24_index + tbl24_range); i++) {
 
@@ -1527,7 +1525,7 @@ tbl8_recycle_check_v20(struct rte_lpm_tbl_entry_v20 *tbl8,
 		 * and if so check the rest of the entries to verify that they
 		 * are all of this depth.
 		 */
-		if (tbl8[tbl8_group_start].depth < MAX_DEPTH_TBL24) {
+		if (tbl8[tbl8_group_start].depth <= MAX_DEPTH_TBL24) {
 			for (i = (tbl8_group_start + 1); i < tbl8_group_end;
 					i++) {
 
@@ -1574,7 +1572,7 @@ tbl8_recycle_check_v1604(struct rte_lpm_tbl_entry *tbl8,
 		 * and if so check the rest of the entries to verify that they
 		 * are all of this depth.
 		 */
-		if (tbl8[tbl8_group_start].depth < MAX_DEPTH_TBL24) {
+		if (tbl8[tbl8_group_start].depth <= MAX_DEPTH_TBL24) {
 			for (i = (tbl8_group_start + 1); i < tbl8_group_end;
 					i++) {
 
@@ -1637,9 +1635,10 @@ delete_depth_big_v20(struct rte_lpm_v20 *lpm, uint32_t ip_masked,
 			.valid = VALID,
 			.depth = sub_rule_depth,
 			.valid_group = lpm->tbl8[tbl8_group_start].valid_group,
-			.next_hop = lpm->rules_tbl[sub_rule_index].next_hop,
 		};
 
+		new_tbl8_entry.next_hop =
+				lpm->rules_tbl[sub_rule_index].next_hop;
 		/*
 		 * Loop through the range of entries on tbl8 for which the
 		 * rule_to_delete must be modified.