net/mlx5: make VLAN network interface thread safe
[dpdk.git] / drivers / net / bnxt / tf_core / tf_tbl.c
index 14bf4ef..bec5210 100644 (file)
 
 /* Truflow Table APIs and supporting code */
 
-#include <stdio.h>
-#include <string.h>
-#include <stdbool.h>
-#include <math.h>
-#include <sys/param.h>
 #include <rte_common.h>
-#include <rte_errno.h>
-#include "hsi_struct_def_dpdk.h"
 
-#include "tf_core.h"
-#include "tf_session.h"
+#include "tf_tbl.h"
+#include "tf_common.h"
+#include "tf_rm.h"
+#include "tf_util.h"
 #include "tf_msg.h"
 #include "tfp.h"
-#include "hwrm_tf.h"
-#include "bnxt.h"
-#include "tf_resources.h"
-#include "tf_rm.h"
+#include "tf_shadow_tbl.h"
+#include "tf_session.h"
+#include "tf_device.h"
+
+
+struct tf;
+
+/**
+ * Table DBs.
+ */
+static void *tbl_db[TF_DIR_MAX];
+
+/**
+ * Table Shadow DBs
+ */
+static void *shadow_tbl_db[TF_DIR_MAX];
+
+/**
+ * Init flag, set on bind and cleared on unbind
+ */
+static uint8_t init;
+
+/**
+ * Shadow init flag, set on bind and cleared on unbind
+ */
+static uint8_t shadow_init;
+
+int
+tf_tbl_bind(struct tf *tfp,
+           struct tf_tbl_cfg_parms *parms)
+{
+       int rc, d, i;
+       struct tf_rm_alloc_info info;
+       struct tf_rm_free_db_parms fparms;
+       struct tf_shadow_tbl_free_db_parms fshadow;
+       struct tf_rm_get_alloc_info_parms ainfo;
+       struct tf_shadow_tbl_cfg_parms shadow_cfg;
+       struct tf_shadow_tbl_create_db_parms shadow_cdb;
+       struct tf_rm_create_db_parms db_cfg = { 0 };
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (init) {
+               TFP_DRV_LOG(ERR,
+                           "Table DB already initialized\n");
+               return -EINVAL;
+       }
+
+       db_cfg.num_elements = parms->num_elements;
+       db_cfg.type = TF_DEVICE_MODULE_TYPE_TABLE;
+       db_cfg.num_elements = parms->num_elements;
+       db_cfg.cfg = parms->cfg;
+
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               db_cfg.dir = d;
+               db_cfg.alloc_cnt = parms->resources->tbl_cnt[d].cnt;
+               db_cfg.rm_db = &tbl_db[d];
+               rc = tf_rm_create_db(tfp, &db_cfg);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Table DB creation failed\n",
+                                   tf_dir_2_str(d));
+
+                       return rc;
+               }
+       }
+
+       /* Initialize the Shadow Table. */
+       if (parms->shadow_copy) {
+               for (d = 0; d < TF_DIR_MAX; d++) {
+                       memset(&shadow_cfg, 0, sizeof(shadow_cfg));
+                       memset(&shadow_cdb, 0, sizeof(shadow_cdb));
+                       /* Get the base addresses of the tables */
+                       for (i = 0; i < TF_TBL_TYPE_MAX; i++) {
+                               memset(&info, 0, sizeof(info));
+
+                               if (!parms->resources->tbl_cnt[d].cnt[i])
+                                       continue;
+                               ainfo.rm_db = tbl_db[d];
+                               ainfo.db_index = i;
+                               ainfo.info = &info;
+                               rc = tf_rm_get_info(&ainfo);
+                               if (rc)
+                                       goto error;
+
+                               shadow_cfg.base_addr[i] = info.entry.start;
+                       }
+
+                       /* Create the shadow db */
+                       shadow_cfg.alloc_cnt =
+                               parms->resources->tbl_cnt[d].cnt;
+                       shadow_cfg.num_entries = parms->num_elements;
+
+                       shadow_cdb.shadow_db = &shadow_tbl_db[d];
+                       shadow_cdb.cfg = &shadow_cfg;
+                       rc = tf_shadow_tbl_create_db(&shadow_cdb);
+                       if (rc) {
+                               TFP_DRV_LOG(ERR,
+                                           "Shadow TBL DB creation failed "
+                                           "rc=%d\n", rc);
+                               goto error;
+                       }
+               }
+               shadow_init = 1;
+       }
+
+       init = 1;
+
+       TFP_DRV_LOG(INFO,
+                   "Table Type - initialized\n");
+
+       return 0;
+error:
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               memset(&fparms, 0, sizeof(fparms));
+               fparms.dir = d;
+               fparms.rm_db = tbl_db[d];
+               /* Ignoring return here since we are in the error case */
+               (void)tf_rm_free_db(tfp, &fparms);
+
+               if (parms->shadow_copy) {
+                       fshadow.shadow_db = shadow_tbl_db[d];
+                       tf_shadow_tbl_free_db(&fshadow);
+                       shadow_tbl_db[d] = NULL;
+               }
 
-#define PTU_PTE_VALID          0x1UL
-#define PTU_PTE_LAST           0x2UL
-#define PTU_PTE_NEXT_TO_LAST   0x4UL
+               tbl_db[d] = NULL;
+       }
+
+       shadow_init = 0;
+       init = 0;
 
-/* Number of pointers per page_size */
-#define        MAX_PAGE_PTRS(page_size)  ((page_size) / sizeof(void *))
+       return rc;
+}
 
-/* API defined in tf_tbl.h */
-void
-tf_init_tbl_pool(struct tf_session *session)
+int
+tf_tbl_unbind(struct tf *tfp)
 {
-       enum tf_dir dir;
+       int rc;
+       int i;
+       struct tf_rm_free_db_parms fparms = { 0 };
+       struct tf_shadow_tbl_free_db_parms fshadow;
+
+       TF_CHECK_PARMS1(tfp);
+
+       /* Bail if nothing has been initialized */
+       if (!init) {
+               TFP_DRV_LOG(INFO,
+                           "No Table DBs created\n");
+               return 0;
+       }
+
+       for (i = 0; i < TF_DIR_MAX; i++) {
+               fparms.dir = i;
+               fparms.rm_db = tbl_db[i];
+               rc = tf_rm_free_db(tfp, &fparms);
+               if (rc)
+                       return rc;
+
+               tbl_db[i] = NULL;
+
+               if (shadow_init) {
+                       memset(&fshadow, 0, sizeof(fshadow));
+                       fshadow.shadow_db = shadow_tbl_db[i];
+                       tf_shadow_tbl_free_db(&fshadow);
+                       shadow_tbl_db[i] = NULL;
+               }
+       }
+
+       init = 0;
+       shadow_init = 0;
+
+       return 0;
+}
+
+int
+tf_tbl_alloc(struct tf *tfp __rte_unused,
+            struct tf_tbl_alloc_parms *parms)
+{
+       int rc;
+       uint32_t idx;
+       struct tf_rm_allocate_parms aparms = { 0 };
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: No Table DBs created\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       /* Allocate requested element */
+       aparms.rm_db = tbl_db[parms->dir];
+       aparms.db_index = parms->type;
+       aparms.index = &idx;
+       rc = tf_rm_allocate(&aparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Failed allocate, type:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type);
+               return rc;
+       }
+
+       *parms->idx = idx;
+
+       return 0;
+}
+
+int
+tf_tbl_free(struct tf *tfp __rte_unused,
+           struct tf_tbl_free_parms *parms)
+{
+       int rc;
+       struct tf_rm_is_allocated_parms aparms = { 0 };
+       struct tf_rm_free_parms fparms = { 0 };
+       struct tf_shadow_tbl_remove_parms shparms;
+       int allocated = 0;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: No Table DBs created\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       /* Check if element is in use */
+       aparms.rm_db = tbl_db[parms->dir];
+       aparms.db_index = parms->type;
+       aparms.index = parms->idx;
+       aparms.allocated = &allocated;
+       rc = tf_rm_is_allocated(&aparms);
+       if (rc)
+               return rc;
+
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Entry already free, type:%d, index:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           parms->idx);
+               return -EINVAL;
+       }
+
+       /*
+        * The Shadow mgmt, if enabled, determines if the entry needs
+        * to be deleted.
+        */
+       if (shadow_init) {
+               memset(&shparms, 0, sizeof(shparms));
+               shparms.shadow_db = shadow_tbl_db[parms->dir];
+               shparms.fparms = parms;
+               rc = tf_shadow_tbl_remove(&shparms);
+               if (rc) {
+                       /*
+                        * Should not get here, log it and let the entry be
+                        * deleted.
+                        */
+                       TFP_DRV_LOG(ERR, "%s: Shadow free fail, "
+                                   "type:%d index:%d deleting the entry.\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type,
+                                   parms->idx);
+               } else {
+                       /*
+                        * If the entry still has references, just return the
+                        * ref count to the caller.  No need to remove entry
+                        * from rm.
+                        */
+                       if (parms->ref_cnt >= 1)
+                               return rc;
+               }
+       }
 
-       for (dir = 0; dir < TF_DIR_MAX; dir++) {
-               session->ext_pool_2_scope[dir][TF_EXT_POOL_0] =
-                       TF_TBL_SCOPE_INVALID;
+       /* Free requested element */
+       fparms.rm_db = tbl_db[parms->dir];
+       fparms.db_index = parms->type;
+       fparms.index = parms->idx;
+       rc = tf_rm_free(&fparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Free failed, type:%d, index:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           parms->idx);
+               return rc;
        }
+
+       return 0;
+}
+
+int
+tf_tbl_alloc_search(struct tf *tfp,
+                   struct tf_tbl_alloc_search_parms *parms)
+{
+       int rc, frc;
+       uint32_t idx;
+       struct tf_session *tfs;
+       struct tf_dev_info *dev;
+       struct tf_tbl_alloc_parms aparms;
+       struct tf_shadow_tbl_search_parms sparms;
+       struct tf_shadow_tbl_bind_index_parms bparms;
+       struct tf_tbl_free_parms fparms;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!shadow_init || !shadow_tbl_db[parms->dir]) {
+               TFP_DRV_LOG(ERR, "%s: Shadow TBL not initialized.\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       memset(&sparms, 0, sizeof(sparms));
+       sparms.sparms = parms;
+       sparms.shadow_db = shadow_tbl_db[parms->dir];
+       rc = tf_shadow_tbl_search(&sparms);
+       if (rc)
+               return rc;
+
+       /*
+        * The app didn't request us to alloc the entry, so return now.
+        * The hit should have been updated in the original search parm.
+        */
+       if (!parms->alloc || parms->search_status != MISS)
+               return rc;
+
+       /* Retrieve the session information */
+       rc = tf_session_get_session(tfp, &tfs);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Failed to lookup session, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Retrieve the device information */
+       rc = tf_session_get_device(tfs, &dev);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Failed to lookup device, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Allocate the index */
+       if (dev->ops->tf_dev_alloc_tbl == NULL) {
+               rc = -EOPNOTSUPP;
+               TFP_DRV_LOG(ERR,
+                           "%s: Operation not supported, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return -EOPNOTSUPP;
+       }
+
+       memset(&aparms, 0, sizeof(aparms));
+       aparms.dir = parms->dir;
+       aparms.type = parms->type;
+       aparms.tbl_scope_id = parms->tbl_scope_id;
+       aparms.idx = &idx;
+       rc = dev->ops->tf_dev_alloc_tbl(tfp, &aparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Table allocation failed, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Bind the allocated index to the data */
+       memset(&bparms, 0, sizeof(bparms));
+       bparms.shadow_db = shadow_tbl_db[parms->dir];
+       bparms.dir = parms->dir;
+       bparms.type = parms->type;
+       bparms.idx = idx;
+       bparms.data = parms->result;
+       bparms.data_sz_in_bytes = parms->result_sz_in_bytes;
+       bparms.hb_handle = sparms.hb_handle;
+       rc = tf_shadow_tbl_bind_index(&bparms);
+       if (rc) {
+               /* Error binding entry, need to free the allocated idx */
+               if (dev->ops->tf_dev_free_tbl == NULL) {
+                       rc = -EOPNOTSUPP;
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Operation not supported, rc:%s\n",
+                                   tf_dir_2_str(parms->dir),
+                                   strerror(-rc));
+                       return rc;
+               }
+
+               memset(&fparms, 0, sizeof(fparms));
+               fparms.dir = parms->dir;
+               fparms.type = parms->type;
+               fparms.idx = idx;
+               frc = dev->ops->tf_dev_free_tbl(tfp, &fparms);
+               if (frc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Failed free index allocated during "
+                                   "search. rc=%s\n",
+                                   tf_dir_2_str(parms->dir),
+                                   strerror(-frc));
+                       /* return the original failure. */
+                       return rc;
+               }
+       }
+
+       parms->idx = idx;
+
+       return rc;
+}
+
+int
+tf_tbl_set(struct tf *tfp,
+          struct tf_tbl_set_parms *parms)
+{
+       int rc;
+       int allocated = 0;
+       uint16_t hcapi_type;
+       struct tf_rm_is_allocated_parms aparms = { 0 };
+       struct tf_rm_get_hcapi_parms hparms = { 0 };
+
+       TF_CHECK_PARMS3(tfp, parms, parms->data);
+
+       if (!init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: No Table DBs created\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       /* Verify that the entry has been previously allocated */
+       aparms.rm_db = tbl_db[parms->dir];
+       aparms.db_index = parms->type;
+       aparms.index = parms->idx;
+       aparms.allocated = &allocated;
+       rc = tf_rm_is_allocated(&aparms);
+       if (rc)
+               return rc;
+
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
+               TFP_DRV_LOG(ERR,
+                  "%s, Invalid or not allocated index, type:%d, idx:%d\n",
+                  tf_dir_2_str(parms->dir),
+                  parms->type,
+                  parms->idx);
+               return -EINVAL;
+       }
+
+       /* Set the entry */
+       hparms.rm_db = tbl_db[parms->dir];
+       hparms.db_index = parms->type;
+       hparms.hcapi_type = &hcapi_type;
+       rc = tf_rm_get_hcapi_type(&hparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Failed type lookup, type:%d, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           strerror(-rc));
+               return rc;
+       }
+
+       rc = tf_msg_set_tbl_entry(tfp,
+                                 parms->dir,
+                                 hcapi_type,
+                                 parms->data_sz_in_bytes,
+                                 parms->data,
+                                 parms->idx);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Set failed, type:%d, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           strerror(-rc));
+               return rc;
+       }
+
+       return 0;
+}
+
+int
+tf_tbl_get(struct tf *tfp,
+          struct tf_tbl_get_parms *parms)
+{
+       int rc;
+       uint16_t hcapi_type;
+       int allocated = 0;
+       struct tf_rm_is_allocated_parms aparms = { 0 };
+       struct tf_rm_get_hcapi_parms hparms = { 0 };
+
+       TF_CHECK_PARMS3(tfp, parms, parms->data);
+
+       if (!init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: No Table DBs created\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       /* Verify that the entry has been previously allocated */
+       aparms.rm_db = tbl_db[parms->dir];
+       aparms.db_index = parms->type;
+       aparms.index = parms->idx;
+       aparms.allocated = &allocated;
+       rc = tf_rm_is_allocated(&aparms);
+       if (rc)
+               return rc;
+
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
+               TFP_DRV_LOG(ERR,
+                  "%s, Invalid or not allocated index, type:%d, idx:%d\n",
+                  tf_dir_2_str(parms->dir),
+                  parms->type,
+                  parms->idx);
+               return -EINVAL;
+       }
+
+       /* Set the entry */
+       hparms.rm_db = tbl_db[parms->dir];
+       hparms.db_index = parms->type;
+       hparms.hcapi_type = &hcapi_type;
+       rc = tf_rm_get_hcapi_type(&hparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Failed type lookup, type:%d, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Get the entry */
+       rc = tf_msg_get_tbl_entry(tfp,
+                                 parms->dir,
+                                 hcapi_type,
+                                 parms->data_sz_in_bytes,
+                                 parms->data,
+                                 parms->idx);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Get failed, type:%d, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           strerror(-rc));
+               return rc;
+       }
+
+       return 0;
+}
+
+int
+tf_tbl_bulk_get(struct tf *tfp,
+               struct tf_tbl_get_bulk_parms *parms)
+{
+       int rc;
+       uint16_t hcapi_type;
+       struct tf_rm_get_hcapi_parms hparms = { 0 };
+       struct tf_rm_check_indexes_in_range_parms cparms = { 0 };
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: No Table DBs created\n",
+                           tf_dir_2_str(parms->dir));
+
+               return -EINVAL;
+       }
+
+       /* Verify that the entries are in the range of reserved resources. */
+       cparms.rm_db = tbl_db[parms->dir];
+       cparms.db_index = parms->type;
+       cparms.starting_index = parms->starting_idx;
+       cparms.num_entries = parms->num_entries;
+
+       rc = tf_rm_check_indexes_in_range(&cparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Invalid or %d index starting from %d"
+                           " not in range, type:%d",
+                           tf_dir_2_str(parms->dir),
+                           parms->starting_idx,
+                           parms->num_entries,
+                           parms->type);
+               return rc;
+       }
+
+       hparms.rm_db = tbl_db[parms->dir];
+       hparms.db_index = parms->type;
+       hparms.hcapi_type = &hcapi_type;
+       rc = tf_rm_get_hcapi_type(&hparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Failed type lookup, type:%d, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Get the entries */
+       rc = tf_msg_bulk_get_tbl_entry(tfp,
+                                      parms->dir,
+                                      hcapi_type,
+                                      parms->starting_idx,
+                                      parms->num_entries,
+                                      parms->entry_sz_in_bytes,
+                                      parms->physical_mem_addr);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s, Bulk get failed, type:%d, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           strerror(-rc));
+       }
+
+       return rc;
 }