struct tf;
-/**
- * TCAM DBs.
- */
-static void *tcam_db[TF_DIR_MAX];
-
/**
* TCAM Shadow DBs
*/
static void *shadow_tcam_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
*/
struct tf_tcam_cfg_parms *parms)
{
int rc;
+ int db_rc[TF_DIR_MAX] = { 0 };
int i, d;
struct tf_rm_alloc_info info;
struct tf_rm_free_db_parms fparms;
struct tf_rm_create_db_parms db_cfg;
struct tf_tcam_resources *tcam_cnt;
- struct tf_shadow_tcam_free_db_parms fshadow;
struct tf_rm_get_alloc_info_parms ainfo;
+ struct tf_shadow_tcam_free_db_parms fshadow;
struct tf_shadow_tcam_cfg_parms shadow_cfg;
struct tf_shadow_tcam_create_db_parms shadow_cdb;
+ uint16_t num_slices = parms->wc_num_slices;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ struct tcam_rm_db *tcam_db;
+ struct tfp_calloc_parms cparms;
TF_CHECK_PARMS2(tfp, parms);
- if (init) {
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ if (dev->ops->tf_dev_set_tcam_slice_info == NULL) {
+ rc = -EOPNOTSUPP;
TFP_DRV_LOG(ERR,
- "TCAM DB already initialized\n");
- return -EINVAL;
+ "Operation not supported, rc:%s\n",
+ strerror(-rc));
+ return rc;
}
+ rc = dev->ops->tf_dev_set_tcam_slice_info(tfp,
+ num_slices);
+ if (rc)
+ return rc;
+
tcam_cnt = parms->resources->tcam_cnt;
- if ((tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % 2) ||
- (tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % 2)) {
+ if ((tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % num_slices) ||
+ (tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % num_slices)) {
TFP_DRV_LOG(ERR,
- "Number of WC TCAM entries cannot be odd num\n");
+ "Requested num of WC TCAM entries has to be multiple %d\n",
+ num_slices);
return -EINVAL;
}
memset(&db_cfg, 0, sizeof(db_cfg));
+ cparms.nitems = 1;
+ cparms.size = sizeof(struct tcam_rm_db);
+ cparms.alignment = 0;
+ if (tfp_calloc(&cparms) != 0) {
+ TFP_DRV_LOG(ERR, "tcam_rm_db alloc error %s\n",
+ strerror(ENOMEM));
+ return -ENOMEM;
+ }
- db_cfg.type = TF_DEVICE_MODULE_TYPE_TCAM;
+ tcam_db = cparms.mem_va;
+ for (i = 0; i < TF_DIR_MAX; i++)
+ tcam_db->tcam_db[i] = NULL;
+ tf_session_set_db(tfp, TF_MODULE_TYPE_TCAM, tcam_db);
+
+ db_cfg.module = TF_MODULE_TYPE_TCAM;
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->tcam_cnt[d].cnt;
- db_cfg.rm_db = &tcam_db[d];
- rc = tf_rm_create_db(tfp, &db_cfg);
- if (rc) {
+ db_cfg.rm_db = (void *)&tcam_db->tcam_db[d];
+ if (tf_session_is_shared_session(tfs) &&
+ (!tf_session_is_shared_session_creator(tfs)))
+ db_rc[d] = tf_rm_create_db_no_reservation(tfp, &db_cfg);
+ else
+ db_rc[d] = tf_rm_create_db(tfp, &db_cfg);
+ }
+
+ /* No db created */
+ if (db_rc[TF_DIR_RX] && db_rc[TF_DIR_TX]) {
+ TFP_DRV_LOG(ERR, "No TCAM DB created\n");
+ return db_rc[TF_DIR_RX];
+ }
+
+ /* check if reserved resource for WC is multiple of num_slices */
+ for (d = 0; d < TF_DIR_MAX; d++) {
+ if (!tcam_db->tcam_db[d])
+ continue;
+
+ memset(&info, 0, sizeof(info));
+ ainfo.rm_db = tcam_db->tcam_db[d];
+ ainfo.subtype = TF_TCAM_TBL_TYPE_WC_TCAM;
+ ainfo.info = &info;
+ rc = tf_rm_get_info(&ainfo);
+ if (rc)
+ goto error;
+
+ if (info.entry.start % num_slices != 0 ||
+ info.entry.stride % num_slices != 0) {
TFP_DRV_LOG(ERR,
- "%s: TCAM DB creation failed\n",
- tf_dir_2_str(d));
- return rc;
+ "%s: TCAM reserved resource is not multiple of %d\n",
+ tf_dir_2_str(d),
+ num_slices);
+ rc = -EINVAL;
+ goto error;
}
}
if (!parms->resources->tcam_cnt[d].cnt[i])
continue;
- ainfo.rm_db = tcam_db[d];
- ainfo.db_index = i;
+ ainfo.rm_db = tcam_db->tcam_db[d];
+ ainfo.subtype = i;
ainfo.info = &info;
rc = tf_rm_get_info(&ainfo);
if (rc)
shadow_init = 1;
}
- init = 1;
-
TFP_DRV_LOG(INFO,
"TCAM - initialized\n");
for (i = 0; i < TF_DIR_MAX; i++) {
memset(&fparms, 0, sizeof(fparms));
fparms.dir = i;
- fparms.rm_db = tcam_db[i];
+ fparms.rm_db = tcam_db->tcam_db[i];
/* Ignoring return here since we are in the error case */
(void)tf_rm_free_db(tfp, &fparms);
shadow_tcam_db[i] = NULL;
}
- tcam_db[i] = NULL;
+ tcam_db->tcam_db[i] = NULL;
+ tf_session_set_db(tfp, TF_MODULE_TYPE_TCAM, NULL);
}
shadow_init = 0;
- init = 0;
return rc;
}
int rc;
int i;
struct tf_rm_free_db_parms fparms;
+ struct tcam_rm_db *tcam_db;
+ void *tcam_db_ptr = NULL;
struct tf_shadow_tcam_free_db_parms fshadow;
-
TF_CHECK_PARMS1(tfp);
- /* Bail if nothing has been initialized */
- if (!init) {
- TFP_DRV_LOG(INFO,
- "No TCAM DBs created\n");
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+ if (rc) {
return 0;
}
+ tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
for (i = 0; i < TF_DIR_MAX; i++) {
+ if (tcam_db->tcam_db[i] == NULL)
+ continue;
memset(&fparms, 0, sizeof(fparms));
fparms.dir = i;
- fparms.rm_db = tcam_db[i];
+ fparms.rm_db = tcam_db->tcam_db[i];
rc = tf_rm_free_db(tfp, &fparms);
if (rc)
return rc;
- tcam_db[i] = NULL;
+ tcam_db->tcam_db[i] = NULL;
if (shadow_init) {
memset(&fshadow, 0, sizeof(fshadow));
}
shadow_init = 0;
- init = 0;
return 0;
}
tf_tcam_alloc(struct tf *tfp,
struct tf_tcam_alloc_parms *parms)
{
- int rc;
+ int rc, i;
struct tf_session *tfs;
struct tf_dev_info *dev;
struct tf_rm_allocate_parms aparms;
- uint16_t num_slice_per_row = 1;
+ uint16_t num_slices = 1;
+ uint32_t index;
+ struct tcam_rm_db *tcam_db;
+ void *tcam_db_ptr = NULL;
TF_CHECK_PARMS2(tfp, parms);
- if (!init) {
- TFP_DRV_LOG(ERR,
- "%s: No TCAM DBs created\n",
- tf_dir_2_str(parms->dir));
- return -EINVAL;
- }
-
/* Retrieve the session information */
rc = tf_session_get_session_internal(tfp, &tfs);
if (rc)
return rc;
}
- /* Need to retrieve row size etc */
+ /* Need to retrieve number of slices based on the key_size */
rc = dev->ops->tf_dev_get_tcam_slice_info(tfp,
parms->type,
parms->key_size,
- &num_slice_per_row);
+ &num_slices);
if (rc)
return rc;
- /* Allocate requested element */
- memset(&aparms, 0, sizeof(aparms));
-
- aparms.rm_db = tcam_db[parms->dir];
- aparms.db_index = parms->type;
- aparms.priority = parms->priority;
- aparms.index = (uint32_t *)&parms->idx;
- rc = tf_rm_allocate(&aparms);
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
if (rc) {
TFP_DRV_LOG(ERR,
- "%s: Failed tcam, type:%d\n",
- tf_dir_2_str(parms->dir),
- parms->type);
+ "Failed to get tcam_db from session, rc:%s\n",
+ strerror(-rc));
return rc;
}
+ tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
- if (parms->type == TF_TCAM_TBL_TYPE_WC_TCAM &&
- (parms->idx % 2) != 0) {
+ /*
+ * For WC TCAM, number of slices could be 4, 2, 1 based on
+ * the key_size. For other TCAM, it is always 1
+ */
+ for (i = 0; i < num_slices; i++) {
+ memset(&aparms, 0, sizeof(aparms));
+ aparms.rm_db = tcam_db->tcam_db[parms->dir];
+ aparms.subtype = parms->type;
+ aparms.priority = parms->priority;
+ aparms.index = &index;
rc = tf_rm_allocate(&aparms);
if (rc) {
TFP_DRV_LOG(ERR,
parms->type);
return rc;
}
- }
- parms->idx *= num_slice_per_row;
+ /* return the start index of each row */
+ if (parms->priority == 0) {
+ if (i == 0)
+ parms->idx = index;
+ } else {
+ parms->idx = index;
+ }
+ }
return 0;
}
struct tf_rm_is_allocated_parms aparms;
struct tf_rm_free_parms fparms;
struct tf_rm_get_hcapi_parms hparms;
- uint16_t num_slice_per_row = 1;
+ uint16_t num_slices = 1;
int allocated = 0;
struct tf_shadow_tcam_remove_parms shparms;
+ int i;
+ struct tcam_rm_db *tcam_db;
+ void *tcam_db_ptr = NULL;
TF_CHECK_PARMS2(tfp, parms);
- if (!init) {
- TFP_DRV_LOG(ERR,
- "%s: No TCAM DBs created\n",
- tf_dir_2_str(parms->dir));
- return -EINVAL;
- }
-
/* Retrieve the session information */
rc = tf_session_get_session_internal(tfp, &tfs);
if (rc)
rc = dev->ops->tf_dev_get_tcam_slice_info(tfp,
parms->type,
0,
- &num_slice_per_row);
+ &num_slices);
if (rc)
return rc;
+ if (parms->idx % num_slices) {
+ TFP_DRV_LOG(ERR,
+ "%s: TCAM reserved resource is not multiple of %d\n",
+ tf_dir_2_str(parms->dir),
+ num_slices);
+ return -EINVAL;
+ }
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
/* Check if element is in use */
memset(&aparms, 0, sizeof(aparms));
-
- aparms.rm_db = tcam_db[parms->dir];
- aparms.db_index = parms->type;
- aparms.index = parms->idx / num_slice_per_row;
+ aparms.rm_db = tcam_db->tcam_db[parms->dir];
+ aparms.subtype = parms->type;
+ aparms.index = parms->idx;
aparms.allocated = &allocated;
rc = tf_rm_is_allocated(&aparms);
if (rc)
}
}
- /* Free requested element */
- memset(&fparms, 0, sizeof(fparms));
- fparms.rm_db = tcam_db[parms->dir];
- fparms.db_index = parms->type;
- fparms.index = parms->idx / num_slice_per_row;
- 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;
- }
-
- if (parms->type == TF_TCAM_TBL_TYPE_WC_TCAM) {
- int i;
-
- for (i = -1; i < 3; i += 3) {
- aparms.index += i;
- rc = tf_rm_is_allocated(&aparms);
- if (rc)
- return rc;
-
- if (allocated == TF_RM_ALLOCATED_ENTRY_IN_USE) {
- /* Free requested element */
- fparms.index = aparms.index;
- 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,
- fparms.index);
- return rc;
- }
- }
+ for (i = 0; i < num_slices; i++) {
+ /* Free requested element */
+ memset(&fparms, 0, sizeof(fparms));
+ fparms.rm_db = tcam_db->tcam_db[parms->dir];
+ fparms.subtype = parms->type;
+ fparms.index = parms->idx + i;
+ 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;
}
}
/* Convert TF type to HCAPI RM type */
memset(&hparms, 0, sizeof(hparms));
- hparms.rm_db = tcam_db[parms->dir];
- hparms.db_index = parms->type;
+ hparms.rm_db = tcam_db->tcam_db[parms->dir];
+ hparms.subtype = parms->type;
hparms.hcapi_type = &parms->hcapi_type;
rc = tf_rm_get_hcapi_type(&hparms);
{
struct tf_shadow_tcam_search_parms sparms;
struct tf_shadow_tcam_bind_index_parms bparms;
- struct tf_tcam_alloc_parms aparms;
struct tf_tcam_free_parms fparms;
+ struct tf_tcam_alloc_parms aparms;
uint16_t num_slice_per_row = 1;
struct tf_session *tfs;
struct tf_dev_info *dev;
TF_CHECK_PARMS2(tfp, parms);
- if (!init) {
- TFP_DRV_LOG(ERR,
- "%s: No TCAM DBs created\n",
- tf_dir_2_str(parms->dir));
- return -EINVAL;
- }
-
if (!shadow_init || !shadow_tcam_db[parms->dir]) {
TFP_DRV_LOG(ERR, "%s: TCAM Shadow not initialized for %s\n",
tf_dir_2_str(parms->dir),
struct tf_shadow_tcam_insert_parms iparms;
uint16_t num_slice_per_row = 1;
int allocated = 0;
+ struct tcam_rm_db *tcam_db;
+ void *tcam_db_ptr = NULL;
TF_CHECK_PARMS2(tfp, parms);
- if (!init) {
- TFP_DRV_LOG(ERR,
- "%s: No TCAM DBs created\n",
- tf_dir_2_str(parms->dir));
- return -EINVAL;
- }
-
/* Retrieve the session information */
rc = tf_session_get_session_internal(tfp, &tfs);
if (rc)
if (rc)
return rc;
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
/* Check if element is in use */
memset(&aparms, 0, sizeof(aparms));
- aparms.rm_db = tcam_db[parms->dir];
- aparms.db_index = parms->type;
- aparms.index = parms->idx / num_slice_per_row;
+ aparms.rm_db = tcam_db->tcam_db[parms->dir];
+ aparms.subtype = parms->type;
+ aparms.index = parms->idx;
aparms.allocated = &allocated;
rc = tf_rm_is_allocated(&aparms);
if (rc)
/* Convert TF type to HCAPI RM type */
memset(&hparms, 0, sizeof(hparms));
- hparms.rm_db = tcam_db[parms->dir];
- hparms.db_index = parms->type;
+ hparms.rm_db = tcam_db->tcam_db[parms->dir];
+ hparms.subtype = parms->type;
hparms.hcapi_type = &parms->hcapi_type;
rc = tf_rm_get_hcapi_type(&hparms);
int
tf_tcam_get(struct tf *tfp __rte_unused,
- struct tf_tcam_get_parms *parms __rte_unused)
+ struct tf_tcam_get_parms *parms)
{
+ int rc;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ struct tf_rm_is_allocated_parms aparms;
+ struct tf_rm_get_hcapi_parms hparms;
+ int allocated = 0;
+ struct tcam_rm_db *tcam_db;
+ void *tcam_db_ptr = NULL;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
+ /* Check if element is in use */
+ memset(&aparms, 0, sizeof(aparms));
+
+ aparms.rm_db = tcam_db->tcam_db[parms->dir];
+ aparms.subtype = 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 is not allocated, type:%d, index:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ parms->idx);
+ return -EINVAL;
+ }
+
+ /* Convert TF type to HCAPI RM type */
+ memset(&hparms, 0, sizeof(hparms));
+
+ hparms.rm_db = tcam_db->tcam_db[parms->dir];
+ hparms.subtype = parms->type;
+ hparms.hcapi_type = &parms->hcapi_type;
+
+ rc = tf_rm_get_hcapi_type(&hparms);
+ if (rc)
+ return rc;
+
+ rc = tf_msg_tcam_entry_get(tfp, dev, parms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: %s: Entry %d set failed, rc:%s",
+ tf_dir_2_str(parms->dir),
+ tf_tcam_tbl_2_str(parms->type),
+ parms->idx,
+ strerror(-rc));
+ return rc;
+ }
+
+ return 0;
+}
+
+int
+tf_tcam_get_resc_info(struct tf *tfp,
+ struct tf_tcam_resource_info *tcam)
+{
+ int rc;
+ int d;
+ struct tf_resource_info *dinfo;
+ struct tf_rm_get_alloc_info_parms ainfo;
+ void *tcam_db_ptr = NULL;
+ struct tcam_rm_db *tcam_db;
+
+ TF_CHECK_PARMS2(tfp, tcam);
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+ if (rc == -ENOMEM)
+ return 0; /* db doesn't exist */
+ else if (rc)
+ return rc; /* error getting db */
+
+ tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
+ /* check if reserved resource for WC is multiple of num_slices */
+ for (d = 0; d < TF_DIR_MAX; d++) {
+ ainfo.rm_db = tcam_db->tcam_db[d];
+
+ if (!ainfo.rm_db)
+ continue;
+
+ dinfo = tcam[d].info;
+
+ ainfo.info = (struct tf_rm_alloc_info *)dinfo;
+ ainfo.subtype = 0;
+ rc = tf_rm_get_all_info(&ainfo, TF_TCAM_TBL_TYPE_MAX);
+ if (rc && rc != -ENOTSUP)
+ return rc;
+ }
+
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff