X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_table%2Frte_table_acl.c;h=94b69a983289d96856a6648ddbed4dcbc173dd82;hb=3a49ffe38a9508c57343719e5272e585c8dbd96c;hp=f74f22a68517be0200825118532a457e8d80ad23;hpb=166923eb2f7840ff7d4c8c0165bf3568caf23f35;p=dpdk.git diff --git a/lib/librte_table/rte_table_acl.c b/lib/librte_table/rte_table_acl.c index f74f22a685..94b69a9832 100644 --- a/lib/librte_table/rte_table_acl.c +++ b/lib/librte_table/rte_table_acl.c @@ -36,13 +36,30 @@ #include #include +#include #include #include #include "rte_table_acl.h" #include +#ifdef RTE_TABLE_STATS_COLLECT + +#define RTE_TABLE_ACL_STATS_PKTS_IN_ADD(table, val) \ + table->stats.n_pkts_in += val +#define RTE_TABLE_ACL_STATS_PKTS_LOOKUP_MISS(table, val) \ + table->stats.n_pkts_lookup_miss += val + +#else + +#define RTE_TABLE_ACL_STATS_PKTS_IN_ADD(table, val) +#define RTE_TABLE_ACL_STATS_PKTS_LOOKUP_MISS(table, val) + +#endif + struct rte_table_acl { + struct rte_table_stats stats; + /* Low-level ACL table */ char name[2][RTE_ACL_NAMESIZE]; struct rte_acl_param acl_params; /* for creating low level acl table */ @@ -75,7 +92,7 @@ rte_table_acl_create( uint32_t action_table_size, acl_rule_list_size, acl_rule_memory_size; uint32_t total_size; - RTE_BUILD_BUG_ON(((sizeof(struct rte_table_acl) % CACHE_LINE_SIZE) + RTE_BUILD_BUG_ON(((sizeof(struct rte_table_acl) % RTE_CACHE_LINE_SIZE) != 0)); /* Check input parameters */ @@ -102,15 +119,15 @@ rte_table_acl_create( entry_size = RTE_ALIGN(entry_size, sizeof(uint64_t)); /* Memory allocation */ - action_table_size = CACHE_LINE_ROUNDUP(p->n_rules * entry_size); + action_table_size = RTE_CACHE_LINE_ROUNDUP(p->n_rules * entry_size); acl_rule_list_size = - CACHE_LINE_ROUNDUP(p->n_rules * sizeof(struct rte_acl_rule *)); - acl_rule_memory_size = CACHE_LINE_ROUNDUP(p->n_rules * + RTE_CACHE_LINE_ROUNDUP(p->n_rules * sizeof(struct rte_acl_rule *)); + acl_rule_memory_size = RTE_CACHE_LINE_ROUNDUP(p->n_rules * RTE_ACL_RULE_SZ(p->n_rule_fields)); total_size = sizeof(struct rte_table_acl) + action_table_size + acl_rule_list_size + acl_rule_memory_size; - acl = rte_zmalloc_socket("TABLE", total_size, CACHE_LINE_SIZE, + acl = rte_zmalloc_socket("TABLE", total_size, RTE_CACHE_LINE_SIZE, socket_id); if (acl == NULL) { RTE_LOG(ERR, TABLE, @@ -126,8 +143,8 @@ rte_table_acl_create( &acl->memory[action_table_size + acl_rule_list_size]; /* Initialization of internal fields */ - rte_snprintf(acl->name[0], RTE_ACL_NAMESIZE, "%s_a", p->name); - rte_snprintf(acl->name[1], RTE_ACL_NAMESIZE, "%s_b", p->name); + snprintf(acl->name[0], RTE_ACL_NAMESIZE, "%s_a", p->name); + snprintf(acl->name[1], RTE_ACL_NAMESIZE, "%s_b", p->name); acl->name_id = 1; acl->acl_params.name = acl->name[acl->name_id]; @@ -219,8 +236,6 @@ rte_table_acl_build(struct rte_table_acl *acl, struct rte_acl_ctx **acl_ctx) return -1; } - rte_acl_dump(ctx); - *acl_ctx = ctx; return 0; } @@ -426,6 +441,313 @@ rte_table_acl_entry_delete( return 0; } +static int +rte_table_acl_entry_add_bulk( + void *table, + void **keys, + void **entries, + uint32_t n_keys, + int *key_found, + void **entries_ptr) +{ + struct rte_table_acl *acl = (struct rte_table_acl *) table; + struct rte_acl_ctx *ctx; + uint32_t rule_pos[n_keys]; + uint32_t i; + int err = 0, build = 0; + int status; + + /* Check input parameters */ + if (table == NULL) { + RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__); + return -EINVAL; + } + if (keys == NULL) { + RTE_LOG(ERR, TABLE, "%s: keys parameter is NULL\n", __func__); + return -EINVAL; + } + if (entries == NULL) { + RTE_LOG(ERR, TABLE, "%s: entries parameter is NULL\n", __func__); + return -EINVAL; + } + if (n_keys == 0) { + RTE_LOG(ERR, TABLE, "%s: 0 rules to add\n", __func__); + return -EINVAL; + } + if (key_found == NULL) { + RTE_LOG(ERR, TABLE, "%s: key_found parameter is NULL\n", + __func__); + return -EINVAL; + } + if (entries_ptr == NULL) { + RTE_LOG(ERR, TABLE, "%s: entries_ptr parameter is NULL\n", + __func__); + return -EINVAL; + } + + /* Check input parameters in arrays */ + for (i = 0; i < n_keys; i++) { + struct rte_table_acl_rule_add_params *rule; + + if (keys[i] == NULL) { + RTE_LOG(ERR, TABLE, "%s: keys[%" PRIu32 "] parameter is NULL\n", + __func__, i); + return -EINVAL; + } + + if (entries[i] == NULL) { + RTE_LOG(ERR, TABLE, "%s: entries[%" PRIu32 "] parameter is NULL\n", + __func__, i); + return -EINVAL; + } + + if (entries_ptr[i] == NULL) { + RTE_LOG(ERR, TABLE, "%s: entries_ptr[%" PRIu32 "] parameter is NULL\n", + __func__, i); + return -EINVAL; + } + + rule = (struct rte_table_acl_rule_add_params *) keys[i]; + if (rule->priority > RTE_ACL_MAX_PRIORITY) { + RTE_LOG(ERR, TABLE, "%s: Priority is too high\n", __func__); + return -EINVAL; + } + } + + memset(rule_pos, 0, n_keys * sizeof(uint32_t)); + memset(key_found, 0, n_keys * sizeof(int)); + for (i = 0; i < n_keys; i++) { + struct rte_table_acl_rule_add_params *rule = + (struct rte_table_acl_rule_add_params *) keys[i]; + struct rte_pipeline_acl_rule acl_rule; + struct rte_acl_rule *rule_location; + uint32_t free_pos, free_pos_valid, j; + + /* Setup rule data structure */ + memset(&acl_rule, 0, sizeof(acl_rule)); + acl_rule.data.category_mask = 1; + acl_rule.data.priority = RTE_ACL_MAX_PRIORITY - rule->priority; + acl_rule.data.userdata = 0; /* To be set up later */ + memcpy(&acl_rule.field[0], + &rule->field_value[0], + acl->cfg.num_fields * sizeof(struct rte_acl_field)); + + /* Look to see if the rule exists already in the table */ + free_pos = 0; + free_pos_valid = 0; + for (j = 1; j < acl->n_rules; j++) { + if (acl->acl_rule_list[j] == NULL) { + if (free_pos_valid == 0) { + free_pos = j; + free_pos_valid = 1; + } + + continue; + } + + /* Compare the key fields */ + status = memcmp(&acl->acl_rule_list[j]->field[0], + &rule->field_value[0], + acl->cfg.num_fields * sizeof(struct rte_acl_field)); + + /* Rule found: update data associated with the rule */ + if (status == 0) { + key_found[i] = 1; + entries_ptr[i] = &acl->memory[j * acl->entry_size]; + memcpy(entries_ptr[i], entries[i], acl->entry_size); + + break; + } + } + + /* Key already in the table */ + if (key_found[i] != 0) + continue; + + /* Maximum number of rules reached */ + if (free_pos_valid == 0) { + err = 1; + break; + } + + /* Add the new rule to the rule set */ + acl_rule.data.userdata = free_pos; + rule_location = (struct rte_acl_rule *) + &acl->acl_rule_memory[free_pos * acl->acl_params.rule_size]; + memcpy(rule_location, &acl_rule, acl->acl_params.rule_size); + acl->acl_rule_list[free_pos] = rule_location; + rule_pos[i] = free_pos; + build = 1; + } + + if (err != 0) { + for (i = 0; i < n_keys; i++) { + if (rule_pos[i] == 0) + continue; + + acl->acl_rule_list[rule_pos[i]] = NULL; + } + + return -ENOSPC; + } + + if (build == 0) + return 0; + + /* Build low level ACL table */ + acl->name_id ^= 1; + acl->acl_params.name = acl->name[acl->name_id]; + status = rte_table_acl_build(acl, &ctx); + if (status != 0) { + /* Roll back changes */ + for (i = 0; i < n_keys; i++) { + if (rule_pos[i] == 0) + continue; + + acl->acl_rule_list[rule_pos[i]] = NULL; + } + acl->name_id ^= 1; + + return -EINVAL; + } + + /* Commit changes */ + if (acl->ctx != NULL) + rte_acl_free(acl->ctx); + acl->ctx = ctx; + + for (i = 0; i < n_keys; i++) { + if (rule_pos[i] == 0) + continue; + + key_found[i] = 0; + entries_ptr[i] = &acl->memory[rule_pos[i] * acl->entry_size]; + memcpy(entries_ptr[i], entries[i], acl->entry_size); + } + + return 0; +} + +static int +rte_table_acl_entry_delete_bulk( + void *table, + void **keys, + uint32_t n_keys, + int *key_found, + void **entries) +{ + struct rte_table_acl *acl = (struct rte_table_acl *) table; + struct rte_acl_rule *deleted_rules[n_keys]; + uint32_t rule_pos[n_keys]; + struct rte_acl_ctx *ctx; + uint32_t i; + int status; + int build = 0; + + /* Check input parameters */ + if (table == NULL) { + RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__); + return -EINVAL; + } + if (keys == NULL) { + RTE_LOG(ERR, TABLE, "%s: key parameter is NULL\n", __func__); + return -EINVAL; + } + if (n_keys == 0) { + RTE_LOG(ERR, TABLE, "%s: 0 rules to delete\n", __func__); + return -EINVAL; + } + if (key_found == NULL) { + RTE_LOG(ERR, TABLE, "%s: key_found parameter is NULL\n", + __func__); + return -EINVAL; + } + + for (i = 0; i < n_keys; i++) { + if (keys[i] == NULL) { + RTE_LOG(ERR, TABLE, "%s: keys[%" PRIu32 "] parameter is NULL\n", + __func__, i); + return -EINVAL; + } + } + + memset(deleted_rules, 0, n_keys * sizeof(struct rte_acl_rule *)); + memset(rule_pos, 0, n_keys * sizeof(uint32_t)); + for (i = 0; i < n_keys; i++) { + struct rte_table_acl_rule_delete_params *rule = + (struct rte_table_acl_rule_delete_params *) keys[i]; + uint32_t pos_valid, j; + + /* Look for the rule in the table */ + pos_valid = 0; + for (j = 1; j < acl->n_rules; j++) { + if (acl->acl_rule_list[j] == NULL) + continue; + + /* Compare the key fields */ + status = memcmp(&acl->acl_rule_list[j]->field[0], + &rule->field_value[0], + acl->cfg.num_fields * sizeof(struct rte_acl_field)); + + /* Rule found: remove from table */ + if (status == 0) { + pos_valid = 1; + + deleted_rules[i] = acl->acl_rule_list[j]; + acl->acl_rule_list[j] = NULL; + rule_pos[i] = j; + + build = 1; + } + } + + if (pos_valid == 0) { + key_found[i] = 0; + continue; + } + } + + /* Return if no changes to acl table */ + if (build == 0) { + return 0; + } + + /* Build low level ACL table */ + acl->name_id ^= 1; + acl->acl_params.name = acl->name[acl->name_id]; + status = rte_table_acl_build(acl, &ctx); + if (status != 0) { + /* Roll back changes */ + for (i = 0; i < n_keys; i++) { + if (rule_pos[i] == 0) + continue; + + acl->acl_rule_list[rule_pos[i]] = deleted_rules[i]; + } + + acl->name_id ^= 1; + + return -EINVAL; + } + + /* Commit changes */ + if (acl->ctx != NULL) + rte_acl_free(acl->ctx); + + acl->ctx = ctx; + for (i = 0; i < n_keys; i++) { + if (rule_pos[i] == 0) + continue; + + key_found[i] = 1; + if (entries != NULL && entries[i] != NULL) + memcpy(entries[i], &acl->memory[rule_pos[i] * acl->entry_size], + acl->entry_size); + } + + return 0; +} + static int rte_table_acl_lookup( void *table, @@ -440,6 +762,9 @@ rte_table_acl_lookup( uint64_t pkts_out_mask; uint32_t n_pkts, i, j; + __rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask); + RTE_TABLE_ACL_STATS_PKTS_IN_ADD(acl, n_pkts_in); + /* Input conversion */ for (i = 0, j = 0; i < (uint32_t)(RTE_PORT_IN_BURST_SIZE_MAX - __builtin_clzll(pkts_mask)); i++) { @@ -467,7 +792,7 @@ rte_table_acl_lookup( pkts_mask &= ~pkt_mask; - if (action_table_pos != RTE_ACL_INVALID_USERDATA) { + if (action_table_pos != 0) { pkts_out_mask |= pkt_mask; entries[pkt_pos] = (void *) &acl->memory[action_table_pos * @@ -477,6 +802,21 @@ rte_table_acl_lookup( } *lookup_hit_mask = pkts_out_mask; + RTE_TABLE_ACL_STATS_PKTS_LOOKUP_MISS(acl, n_pkts_in - __builtin_popcountll(pkts_out_mask)); + + return 0; +} + +static int +rte_table_acl_stats_read(void *table, struct rte_table_stats *stats, int clear) +{ + struct rte_table_acl *acl = (struct rte_table_acl *) table; + + if (stats != NULL) + memcpy(stats, &acl->stats, sizeof(acl->stats)); + + if (clear) + memset(&acl->stats, 0, sizeof(acl->stats)); return 0; } @@ -486,5 +826,8 @@ struct rte_table_ops rte_table_acl_ops = { .f_free = rte_table_acl_free, .f_add = rte_table_acl_entry_add, .f_delete = rte_table_acl_entry_delete, + .f_add_bulk = rte_table_acl_entry_add_bulk, + .f_delete_bulk = rte_table_acl_entry_delete_bulk, .f_lookup = rte_table_acl_lookup, + .f_stats = rte_table_acl_stats_read, };