@@ -917,6 +917,59 @@ tf_free_tcam_entry(struct tf *tfp,
return 0;
}
+#ifdef TF_TCAM_SHARED
+int
+tf_move_tcam_shared_entries(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms)
+{
+ int rc;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* 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;
+ }
+
+ if (dev->ops->tf_dev_move_tcam == NULL) {
+ rc = -EOPNOTSUPP;
+ TFP_DRV_LOG(ERR,
+ "%s: Operation not supported, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ strerror(-rc));
+ return rc;
+ }
+
+ rc = dev->ops->tf_dev_move_tcam(tfp, parms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: TCAM shared entries move failed, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ strerror(-rc));
+ return rc;
+ }
+
+ return 0;
+}
+#endif /* TF_TCAM_SHARED */
+
int
tf_alloc_tbl_entry(struct tf *tfp,
struct tf_alloc_tbl_entry_parms *parms)
@@ -1242,6 +1242,10 @@ int tf_free_tbl_scope(struct tf *tfp,
* @ref tf_get_tcam_entry
*
* @ref tf_free_tcam_entry
+ *
+#ifdef TF_TCAM_SHARED
+ * @ref tf_move_tcam_shared_entries
+#endif
*/
/**
@@ -1543,6 +1547,41 @@ struct tf_free_tcam_entry_parms {
int tf_free_tcam_entry(struct tf *tfp,
struct tf_free_tcam_entry_parms *parms);
+#ifdef TF_TCAM_SHARED
+/**
+ * tf_move_tcam_shared_entries parameter definition
+ */
+struct tf_move_tcam_shared_entries_parms {
+ /**
+ * [in] receive or transmit direction
+ */
+ enum tf_dir dir;
+ /**
+ * [in] TCAM table type
+ */
+ enum tf_tcam_tbl_type tcam_tbl_type;
+};
+
+/**
+ * Move TCAM entries
+ *
+ * This API only affects the following TCAM pools within a shared session:
+ *
+ * TF_TCAM_TBL_TYPE_WC_TCAM_HIGH
+ * TF_TCAM_TBL_TYPE_WC_TCAM_LOW
+ *
+ * When called, all allocated entries from the high pool will be moved to
+ * the low pool. Then the allocated entries in the high pool will be
+ * cleared and freed.
+ *
+ * This API is not supported on a non-shared session.
+ *
+ * Returns success or failure code.
+ */
+int tf_move_tcam_shared_entries(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms);
+
+#endif /* TF_TCAM_SHARED */
/**
* @page table Table Access
*
@@ -563,6 +563,24 @@ struct tf_dev_ops {
int (*tf_dev_get_tcam)(struct tf *tfp,
struct tf_tcam_get_parms *parms);
+#ifdef TF_TCAM_SHARED
+ /**
+ * Move TCAM shared entries
+ *
+ * [in] tfp
+ * Pointer to TF handle
+ *
+ * [in] parms
+ * Pointer to parameters
+ *
+ * returns:
+ * 0 - Success
+ * -EINVAL - Error
+ */
+ int (*tf_dev_move_tcam)(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms);
+#endif /* TF_TCAM_SHARED */
+
/**
* Retrieves the tcam resource info.
*
@@ -272,6 +272,7 @@ const struct tf_dev_ops tf_dev_ops_p4 = {
.tf_dev_free_tcam = tf_tcam_shared_free,
.tf_dev_set_tcam = tf_tcam_shared_set,
.tf_dev_get_tcam = tf_tcam_shared_get,
+ .tf_dev_move_tcam = tf_tcam_shared_move_p4,
#else /* !TF_TCAM_SHARED */
.tf_dev_alloc_tcam = tf_tcam_alloc,
.tf_dev_free_tcam = tf_tcam_free,
@@ -292,8 +292,9 @@ const struct tf_dev_ops tf_dev_ops_p58 = {
#ifdef TF_TCAM_SHARED
.tf_dev_alloc_tcam = tf_tcam_shared_alloc,
.tf_dev_free_tcam = tf_tcam_shared_free,
- .tf_dev_set_tcam = tf_tcam_set,
- .tf_dev_get_tcam = tf_tcam_get,
+ .tf_dev_set_tcam = tf_tcam_shared_set,
+ .tf_dev_get_tcam = tf_tcam_shared_get,
+ .tf_dev_move_tcam = tf_tcam_shared_move_p58,
#else /* !TF_TCAM_SHARED */
.tf_dev_alloc_tcam = tf_tcam_alloc,
.tf_dev_free_tcam = tf_tcam_free,
@@ -945,3 +945,44 @@ tf_session_set_db(struct tf *tfp,
return rc;
}
+
+#ifdef TF_TCAM_SHARED
+
+int
+tf_session_get_tcam_shared_db(struct tf *tfp,
+ void **tcam_shared_db_handle)
+{
+ struct tf_session *tfs = NULL;
+ int rc = 0;
+
+ *tcam_shared_db_handle = NULL;
+
+ if (tfp == NULL)
+ return (-EINVAL);
+
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ *tcam_shared_db_handle = tfs->tcam_shared_db_handle;
+ return rc;
+}
+
+int
+tf_session_set_tcam_shared_db(struct tf *tfp,
+ void *tcam_shared_db_handle)
+{
+ struct tf_session *tfs = NULL;
+ int rc = 0;
+
+ if (tfp == NULL)
+ return (-EINVAL);
+
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ tfs->tcam_shared_db_handle = tcam_shared_db_handle;
+ return rc;
+}
+#endif /* TF_TCAM_SHARED */
@@ -159,6 +159,13 @@ struct tf_session {
* EM allocator for session
*/
void *em_pool[TF_DIR_MAX];
+
+#ifdef TF_TCAM_SHARED
+ /**
+ * tcam db reference for the session
+ */
+ void *tcam_shared_db_handle;
+#endif /* TF_TCAM_SHARED */
};
/**
@@ -255,6 +262,22 @@ struct tf_session_close_session_parms {
* @ref tf_session_get_fw_session_id
*
* @ref tf_session_get_session_id
+ *
+ * @ref tf_session_is_shared_session_creator
+ *
+ * @ref tf_session_get_db
+ *
+ * @ref tf_session_set_db
+ *
+ * @ref tf_session_get_bp
+ *
+ * @ref tf_session_is_shared_session
+ *
+ * #define TF_SHARED
+ * @ref tf_session_get_tcam_shared_db
+ *
+ * @ref tf_session_set_tcam_shared_db
+ * #endif
*/
/**
@@ -566,4 +589,29 @@ tf_session_get_bp(struct tf *tfp)
{
return tfp->bp;
}
+
+/**
+ * Set the pointer to the tcam shared database
+ *
+ * [in] session, pointer to the session
+ *
+ * Returns:
+ * - the pointer to the parent bnxt struct
+ */
+int
+tf_session_set_tcam_shared_db(struct tf *tfp,
+ void *tcam_shared_db_handle);
+
+/**
+ * Get the pointer to the tcam shared database
+ *
+ * [in] session, pointer to the session
+ *
+ * Returns:
+ * - the pointer to the parent bnxt struct
+ */
+int
+tf_session_get_tcam_shared_db(struct tf *tfp,
+ void **tcam_shared_db_handle);
+
#endif /* _TF_SESSION_H_ */
@@ -299,7 +299,7 @@ tf_tcam_alloc(struct tf *tfp,
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",
+ "Failed to get tcam_db from session, rc:%s\n",
strerror(-rc));
return rc;
}
@@ -53,10 +53,34 @@ struct tf_tcam_shared_wc_pool {
struct bitalloc *pool;
};
+struct tf_tcam_shared_wc_pools {
+ struct tf_tcam_shared_wc_pool db[TF_DIR_MAX][TF_TCAM_SHARED_WC_POOL_MAX];
+};
+
/** The WC TCAM shared pool declarations
- * TODO: add tcam_shared_wc_db
*/
-struct tf_tcam_shared_wc_pool tcam_shared_wc[TF_DIR_MAX][TF_TCAM_SHARED_WC_POOL_MAX];
+/* struct tf_tcam_shared_wc_pool tcam_shared_wc[TF_DIR_MAX][TF_TCAM_SHARED_WC_POOL_MAX]; */
+
+static int
+tf_tcam_shared_create_db(struct tf_tcam_shared_wc_pools **db)
+{
+ struct tfp_calloc_parms cparms;
+ int rc = 0;
+
+ cparms.nitems = 1;
+ cparms.alignment = 0;
+ cparms.size = sizeof(struct tf_tcam_shared_wc_pools);
+ rc = tfp_calloc(&cparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "TCAM shared db allocation failed (%s)\n",
+ strerror(-rc));
+ return rc;
+ }
+ *db = cparms.mem_va;
+
+ return rc;
+}
/** Create a WC TCAM shared pool
*/
@@ -64,7 +88,8 @@ static int
tf_tcam_shared_create_wc_pool(int dir,
enum tf_tcam_shared_wc_pool_id id,
int start,
- int stride)
+ int stride,
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc)
{
int rc = 0;
bool free = true;
@@ -84,9 +109,9 @@ tf_tcam_shared_create_wc_pool(int dir,
strerror(-rc));
return rc;
}
- tcam_shared_wc[dir][id].pool = (struct bitalloc *)cparms.mem_va;
+ tcam_shared_wc->db[dir][id].pool = (struct bitalloc *)cparms.mem_va;
- rc = ba_init(tcam_shared_wc[dir][id].pool,
+ rc = ba_init(tcam_shared_wc->db[dir][id].pool,
stride,
free);
@@ -97,21 +122,27 @@ tf_tcam_shared_create_wc_pool(int dir,
return rc;
}
- tcam_shared_wc[dir][id].info.start = start;
- tcam_shared_wc[dir][id].info.stride = stride;
+ tcam_shared_wc->db[dir][id].info.start = start;
+ tcam_shared_wc->db[dir][id].info.stride = stride;
+
return rc;
}
/** Free a WC TCAM shared pool
*/
-static void
+static int
tf_tcam_shared_free_wc_pool(int dir,
- enum tf_tcam_shared_wc_pool_id id)
+ enum tf_tcam_shared_wc_pool_id id,
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc)
{
- tcam_shared_wc[dir][id].info.start = 0;
- tcam_shared_wc[dir][id].info.stride = 0;
+ int rc = 0;
+ TF_CHECK_PARMS1(tcam_shared_wc);
+
+ tcam_shared_wc->db[dir][id].info.start = 0;
+ tcam_shared_wc->db[dir][id].info.stride = 0;
- if (tcam_shared_wc[dir][id].pool)
- tfp_free((void *)tcam_shared_wc[dir][id].pool);
+ if (tcam_shared_wc->db[dir][id].pool)
+ tfp_free((void *)tcam_shared_wc->db[dir][id].pool);
+ return rc;
}
/** Get the number of WC TCAM slices allocated during 1 allocation/free
@@ -137,7 +168,7 @@ tf_tcam_shared_get_slices(struct tf *tfp,
}
static bool
-tf_tcam_shared_db_valid(struct tf *tfp,
+tf_tcam_db_valid(struct tf *tfp,
enum tf_dir dir)
{
struct tcam_rm_db *tcam_db;
@@ -226,6 +257,7 @@ tf_tcam_shared_bind(struct tf *tfp,
uint16_t start, stride;
uint16_t num_slices;
uint16_t hcapi_type;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc = NULL;
TF_CHECK_PARMS2(tfp, parms);
@@ -256,11 +288,14 @@ tf_tcam_shared_bind(struct tf *tfp,
if (rc)
return rc;
+ tf_tcam_shared_create_db(&tcam_shared_wc);
+
+
/* If there are WC TCAM entries, create 2 pools each with 1/2
* the total number of entries
*/
for (dir = 0; dir < TF_DIR_MAX; dir++) {
- if (!tf_tcam_shared_db_valid(tfp, dir))
+ if (!tf_tcam_db_valid(tfp, dir))
continue;
rc = tf_tcam_shared_get_rm_info(tfp,
@@ -278,15 +313,19 @@ tf_tcam_shared_bind(struct tf *tfp,
stride = info.entry.stride / 2;
tf_tcam_shared_create_wc_pool(dir,
- TF_TCAM_SHARED_WC_POOL_HI,
- start,
- stride);
+ TF_TCAM_SHARED_WC_POOL_HI,
+ start,
+ stride,
+ tcam_shared_wc);
start += stride;
tf_tcam_shared_create_wc_pool(dir,
- TF_TCAM_SHARED_WC_POOL_LO,
- start,
- stride);
+ TF_TCAM_SHARED_WC_POOL_LO,
+ start,
+ stride,
+ tcam_shared_wc);
+
+ tf_session_set_tcam_shared_db(tfp, (void *)tcam_shared_wc);
}
}
done:
@@ -300,6 +339,8 @@ tf_tcam_shared_unbind(struct tf *tfp)
{
int rc, dir;
struct tf_session *tfs;
+ void *tcam_shared_db_ptr = NULL;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
TF_CHECK_PARMS1(tfp);
@@ -315,6 +356,15 @@ tf_tcam_shared_unbind(struct tf *tfp)
if (rc)
return rc;
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get tcam_shared_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_shared_wc = (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
/* If we are the shared session
*/
if (tf_session_is_shared_session(tfs)) {
@@ -322,9 +372,11 @@ tf_tcam_shared_unbind(struct tf *tfp)
*/
for (dir = 0; dir < TF_DIR_MAX; dir++) {
tf_tcam_shared_free_wc_pool(dir,
- TF_TCAM_SHARED_WC_POOL_HI);
+ TF_TCAM_SHARED_WC_POOL_HI,
+ tcam_shared_wc);
tf_tcam_shared_free_wc_pool(dir,
- TF_TCAM_SHARED_WC_POOL_LO);
+ TF_TCAM_SHARED_WC_POOL_LO,
+ tcam_shared_wc);
}
}
return 0;
@@ -343,6 +395,8 @@ tf_tcam_shared_alloc(struct tf *tfp,
struct bitalloc *pool;
enum tf_tcam_shared_wc_pool_id id;
uint16_t num_slices;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
+ void *tcam_shared_db_ptr = NULL;
TF_CHECK_PARMS2(tfp, parms);
@@ -364,13 +418,22 @@ tf_tcam_shared_alloc(struct tf *tfp,
return rc;
}
- if (!tf_tcam_shared_db_valid(tfp, parms->dir)) {
+ if (!tf_tcam_db_valid(tfp, parms->dir)) {
TFP_DRV_LOG(ERR,
"%s: tcam shared pool doesn't exist\n",
tf_dir_2_str(parms->dir));
return -ENOMEM;
}
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get tcam_shared_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_shared_wc = (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
if (parms->type == TF_TCAM_TBL_TYPE_WC_TCAM_HIGH)
id = TF_TCAM_SHARED_WC_POOL_HI;
else
@@ -385,7 +448,7 @@ tf_tcam_shared_alloc(struct tf *tfp,
if (rc)
return rc;
- pool = tcam_shared_wc[parms->dir][id].pool;
+ pool = tcam_shared_wc->db[parms->dir][id].pool;
for (i = 0; i < num_slices; i++) {
/*
@@ -427,6 +490,8 @@ tf_tcam_shared_free(struct tf *tfp,
uint16_t num_slices;
uint16_t hcapi_type;
struct tf_rm_alloc_info info;
+ void *tcam_shared_db_ptr = NULL;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
TF_CHECK_PARMS2(tfp, parms);
@@ -448,13 +513,23 @@ tf_tcam_shared_free(struct tf *tfp,
return rc;
}
- if (!tf_tcam_shared_db_valid(tfp, parms->dir)) {
+ if (!tf_tcam_db_valid(tfp, parms->dir)) {
TFP_DRV_LOG(ERR,
"%s: tcam shared pool doesn't exist\n",
tf_dir_2_str(parms->dir));
return -ENOMEM;
}
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get tcam_shared_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_shared_wc = (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
+
if (parms->type == TF_TCAM_TBL_TYPE_WC_TCAM_HIGH)
id = TF_TCAM_SHARED_WC_POOL_HI;
else
@@ -480,8 +555,8 @@ tf_tcam_shared_free(struct tf *tfp,
return rc;
}
- pool = tcam_shared_wc[parms->dir][id].pool;
- start = tcam_shared_wc[parms->dir][id].info.start;
+ pool = tcam_shared_wc->db[parms->dir][id].pool;
+ start = tcam_shared_wc->db[parms->dir][id].info.start;
if (parms->idx % num_slices) {
TFP_DRV_LOG(ERR,
@@ -548,6 +623,9 @@ tf_tcam_shared_set(struct tf *tfp __rte_unused,
enum tf_tcam_shared_wc_pool_id id;
uint16_t hcapi_type;
struct tf_rm_alloc_info info;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
+ void *tcam_shared_db_ptr = NULL;
+
TF_CHECK_PARMS2(tfp, parms);
@@ -568,7 +646,7 @@ tf_tcam_shared_set(struct tf *tfp __rte_unused,
return rc;
}
- if (!tf_tcam_shared_db_valid(tfp, parms->dir)) {
+ if (!tf_tcam_db_valid(tfp, parms->dir)) {
TFP_DRV_LOG(ERR,
"%s: tcam shared pool doesn't exist\n",
tf_dir_2_str(parms->dir));
@@ -585,8 +663,17 @@ tf_tcam_shared_set(struct tf *tfp __rte_unused,
else
id = TF_TCAM_SHARED_WC_POOL_LO;
- pool = tcam_shared_wc[parms->dir][id].pool;
- start = tcam_shared_wc[parms->dir][id].info.start;
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get tcam_shared_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_shared_wc = (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
+ pool = tcam_shared_wc->db[parms->dir][id].pool;
+ start = tcam_shared_wc->db[parms->dir][id].info.start;
log_idx = parms->idx;
phy_idx = parms->idx + start;
@@ -656,6 +743,8 @@ tf_tcam_shared_get(struct tf *tfp __rte_unused,
enum tf_tcam_shared_wc_pool_id id;
uint16_t hcapi_type;
struct tf_rm_alloc_info info;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
+ void *tcam_shared_db_ptr = NULL;
TF_CHECK_PARMS2(tfp, parms);
@@ -676,7 +765,7 @@ tf_tcam_shared_get(struct tf *tfp __rte_unused,
return rc;
}
- if (!tf_tcam_shared_db_valid(tfp, parms->dir)) {
+ if (!tf_tcam_db_valid(tfp, parms->dir)) {
TFP_DRV_LOG(ERR,
"%s: tcam shared pool doesn't exist\n",
tf_dir_2_str(parms->dir));
@@ -692,8 +781,18 @@ tf_tcam_shared_get(struct tf *tfp __rte_unused,
else
id = TF_TCAM_SHARED_WC_POOL_LO;
- pool = tcam_shared_wc[parms->dir][id].pool;
- start = tcam_shared_wc[parms->dir][id].info.start;
+
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get tcam_shared_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_shared_wc = (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
+ pool = tcam_shared_wc->db[parms->dir][id].pool;
+ start = tcam_shared_wc->db[parms->dir][id].info.start;
rc = tf_tcam_shared_get_slices(tfp, dev, &num_slices);
if (rc)
@@ -742,3 +841,304 @@ tf_tcam_shared_get(struct tf *tfp __rte_unused,
}
return 0;
}
+
+/* Temporary builder defines pulled in here and renamed
+ */
+#define TF_TMP_MAX_FIELD_BITLEN 512
+
+union tf_tmp_field_obj {
+ uint8_t bytes[(TF_TMP_MAX_FIELD_BITLEN + 7) / 8];
+};
+
+#define TF_TMP_MAX_KEY_BITLEN 768
+#define TF_TMP_MAX_KEY_WORDLEN ((TF_TMP_MAX_KEY_BITLEN + 63) / 64)
+
+union tf_tmp_key {
+ uint32_t words[(TF_TMP_MAX_KEY_BITLEN + 31) / 32];
+ uint8_t bytes[(TF_TMP_MAX_KEY_BITLEN + 7) / 8];
+};
+
+/** Move a WC TCAM entry from the high offset to the same low offset
+ */
+static int
+tf_tcam_shared_move_entry(struct tf *tfp,
+ struct tf_dev_info *dev,
+ uint16_t hcapi_type,
+ enum tf_dir dir,
+ int sphy_idx,
+ int dphy_idx,
+ int key_sz_bytes,
+ int remap_sz_bytes,
+ uint16_t num_slices)
+{
+ int rc = 0;
+ struct tf_tcam_get_parms gparms;
+ struct tf_tcam_set_parms sparms;
+ struct tf_tcam_free_parms fparms;
+ union tf_tmp_key tcam_key_obj;
+ union tf_tmp_key tcam_key_msk_obj;
+ union tf_tmp_field_obj tcam_remap_obj;
+
+ memset(&tcam_key_obj, 0, sizeof(tcam_key_obj));
+ memset(&tcam_key_msk_obj, 0, sizeof(tcam_key_msk_obj));
+ memset(&tcam_remap_obj, 0, sizeof(tcam_remap_obj));
+ memset(&gparms, 0, sizeof(gparms));
+
+ if (num_slices > 1) {
+ TFP_DRV_LOG(ERR,
+ "Only single slice supported");
+ return -EOPNOTSUPP;
+ }
+
+ gparms.hcapi_type = hcapi_type;
+ gparms.dir = dir;
+ gparms.type = TF_TCAM_TBL_TYPE_WC_TCAM;
+ gparms.idx = sphy_idx;
+ gparms.key = (uint8_t *)&tcam_key_obj;
+ gparms.key_size = key_sz_bytes;
+ gparms.mask = (uint8_t *)&tcam_key_msk_obj;
+ gparms.result = (uint8_t *)&tcam_remap_obj;
+ gparms.result_size = remap_sz_bytes;
+
+ rc = tf_msg_tcam_entry_get(tfp, dev, &gparms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: WC_TCAM_HIGH: phyid(%d) get failed, rc:%s",
+ tf_dir_2_str(dir),
+ gparms.idx,
+ strerror(-rc));
+ return rc;
+ }
+
+ /* Override HI/LO type with parent WC TCAM type */
+ sparms.hcapi_type = hcapi_type;
+ sparms.dir = dir;
+ sparms.type = TF_TCAM_TBL_TYPE_WC_TCAM;
+ sparms.idx = dphy_idx;
+ sparms.key = gparms.key;
+ sparms.mask = gparms.mask;
+ sparms.key_size = gparms.key_size;
+ sparms.result = gparms.result;
+ sparms.result_size = gparms.result_size;
+
+ rc = tf_msg_tcam_entry_set(tfp, dev, &sparms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: WC_TCAM_LOW phyid(%d) set failed, rc:%s",
+ tf_dir_2_str(dir),
+ sparms.idx,
+ strerror(-rc));
+ return rc;
+ }
+
+ /* Override HI/LO type with parent WC TCAM type */
+ fparms.dir = dir;
+ fparms.type = TF_TCAM_TBL_TYPE_WC_TCAM;
+ fparms.hcapi_type = hcapi_type;
+ fparms.idx = sphy_idx;
+
+ rc = tf_msg_tcam_entry_free(tfp, dev, &fparms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: %s: phyid(%d) free failed, rc:%s\n",
+ tf_dir_2_str(dir),
+ tf_tcam_tbl_2_str(fparms.type),
+ sphy_idx,
+ strerror(-rc));
+ return rc;
+ }
+ return rc;
+}
+
+/** Move all shared WC TCAM entries from the high pool into the low pool
+ * and clear out the high pool entries.
+ */
+static
+int tf_tcam_shared_move(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms,
+ int key_sz_bytes,
+ int remap_sz_bytes)
+{
+ int rc;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ int log_idx;
+ uint16_t num_slices;
+ struct bitalloc *hi_pool, *lo_pool;
+ uint16_t hi_start, lo_start;
+ enum tf_tcam_shared_wc_pool_id hi_id, lo_id;
+ uint16_t hcapi_type;
+ struct tf_rm_alloc_info info;
+ int hi_cnt, i, j;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
+ void *tcam_shared_db_ptr = NULL;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* If we aren't the shared session or one of our
+ * special types
+ */
+ if (!tf_session_is_shared_session(tfs) ||
+ (parms->tcam_tbl_type != TF_TCAM_TBL_TYPE_WC_TCAM_HIGH &&
+ parms->tcam_tbl_type != TF_TCAM_TBL_TYPE_WC_TCAM_LOW)) {
+ TFP_DRV_LOG(ERR,
+ "%s: Session must be shared with HI/LO type\n",
+ tf_dir_2_str(parms->dir));
+ return -EOPNOTSUPP;
+ }
+
+ if (!tf_tcam_db_valid(tfp, parms->dir)) {
+ TFP_DRV_LOG(ERR,
+ "%s: tcam shared pool doesn't exist\n",
+ tf_dir_2_str(parms->dir));
+ return -ENOMEM;
+ }
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc) {
+ /* TODO print amazing error */
+ return rc;
+ }
+ rc = tf_tcam_shared_get_slices(tfp, dev, &num_slices);
+ if (rc)
+ return rc;
+
+ rc = tf_tcam_shared_get_rm_info(tfp,
+ parms->dir,
+ &hcapi_type,
+ &info);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: TCAM rm info get failed\n",
+ tf_dir_2_str(parms->dir));
+ return rc;
+ }
+
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get tcam_shared_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tcam_shared_wc = (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
+ hi_id = TF_TCAM_SHARED_WC_POOL_HI;
+ hi_pool = tcam_shared_wc->db[parms->dir][hi_id].pool;
+ hi_start = tcam_shared_wc->db[parms->dir][hi_id].info.start;
+
+ lo_id = TF_TCAM_SHARED_WC_POOL_LO;
+ lo_pool = tcam_shared_wc->db[parms->dir][lo_id].pool;
+ lo_start = tcam_shared_wc->db[parms->dir][lo_id].info.start;
+
+ if (hi_pool == NULL || lo_pool == NULL)
+ return -ENOMEM;
+
+ /* Get the total count of in use entries in the high pool
+ */
+ hi_cnt = ba_inuse_count(hi_pool);
+
+ /* Copy each valid entry to the same low pool logical offset
+ */
+ for (i = 0; i < hi_cnt; i++) {
+ /* Go through all the slices
+ */
+ for (j = 0; j < num_slices; j++) {
+ /* Find next free starting from where we left off
+ */
+ log_idx = ba_find_next_inuse(hi_pool, i);
+
+ if (log_idx < 0) {
+ TFP_DRV_LOG(ERR,
+ "Expected a found %s entry %d\n",
+ tf_pool_2_str(hi_id),
+ i);
+ goto done;
+ }
+ /* The user should have never allocated from the low
+ * pool because the move only happens when switching
+ * from the high to the low pool
+ */
+ if (ba_alloc_index(lo_pool, log_idx) < 0) {
+ TFP_DRV_LOG(ERR,
+ "Cannot allocate %s index %d\n",
+ tf_pool_2_str(lo_id),
+ i);
+ goto done;
+ }
+
+ if (j == 0) {
+ rc = tf_tcam_shared_move_entry(tfp, dev,
+ hcapi_type,
+ parms->dir,
+ hi_start + log_idx,
+ lo_start + log_idx,
+ key_sz_bytes,
+ remap_sz_bytes,
+ num_slices);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Cannot allocate %s index %d\n",
+ tf_pool_2_str(hi_id),
+ i);
+ goto done;
+ }
+ ba_free(hi_pool, log_idx);
+ TFP_DRV_LOG(DEBUG,
+ "%s: TCAM shared move pool(%s) phyid(%d)\n",
+ tf_dir_2_str(parms->dir),
+ tf_pool_2_str(hi_id),
+ hi_start + log_idx);
+ TFP_DRV_LOG(DEBUG,
+ "to pool(%s) phyid(%d)\n",
+ tf_pool_2_str(lo_id),
+ lo_start + log_idx);
+ }
+ }
+ }
+done:
+ return rc;
+}
+
+/* Normally, device specific code wouldn't reside here, it belongs
+ * in a separate device specific function in tf_device_pxx.c.
+ * But this code is placed here as it is not a long term solution
+ * and we would like to have this code centrally located for easy
+ * removal
+ */
+#define TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P4 12
+#define TF_TCAM_SHARED_REMAP_SZ_BYTES_P4 4
+
+int tf_tcam_shared_move_p4(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms)
+{
+ int rc = 0;
+ rc = tf_tcam_shared_move(tfp,
+ parms,
+ TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P4,
+ TF_TCAM_SHARED_REMAP_SZ_BYTES_P4);
+ return rc;
+}
+
+#define TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P58 24
+#define TF_TCAM_SHARED_REMAP_SZ_BYTES_P58 8
+
+int tf_tcam_shared_move_p58(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms)
+{
+ int rc = 0;
+ rc = tf_tcam_shared_move(tfp,
+ parms,
+ TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P58,
+ TF_TCAM_SHARED_REMAP_SZ_BYTES_P58);
+ return rc;
+}
@@ -124,4 +124,39 @@ int tf_tcam_shared_set(struct tf *tfp,
int tf_tcam_shared_get(struct tf *tfp,
struct tf_tcam_get_parms *parms);
+
+/**
+ * Moves entries from the WC_TCAM_HI to the WC_TCAM_LO shared pools
+ * for the P4 device.
+ *
+ * [in] tfp
+ * Pointer to the truflow handle
+ *
+ * [in] parms
+ * Pointer to parameters
+ *
+ * Returns
+ * - (0) if successful.
+ * - (-EINVAL) on failure.
+ */
+int tf_tcam_shared_move_p4(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms);
+
+/**
+ * Moves entries from the WC_TCAM_HI to the WC_TCAM_LO shared pools
+ * for the P58 device.
+ *
+ * [in] tfp
+ * Pointer to the truflow handle
+ *
+ * [in] parms
+ * Pointer to parameters
+ *
+ * Returns
+ * - (0) if successful.
+ * - (-EINVAL) on failure.
+ */
+int tf_tcam_shared_move_p58(struct tf *tfp,
+ struct tf_move_tcam_shared_entries_parms *parms);
+
#endif /* _TF_TCAM_SHARED_H */