#include "bitalloc.h"
#include "tf_core.h"
-struct tf;
-
/** Shared WC TCAM pool identifiers
*/
enum tf_tcam_shared_wc_pool_id {
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
*/
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;
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);
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
}
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;
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);
if (rc)
return rc;
- rc = tf_tcam_shared_get_slices(tfp,
- dev,
- &num_slices);
- 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,
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);
+ }
+
+ rc = tf_tcam_shared_get_slices(tfp,
+ dev,
+ &num_slices);
+ if (rc)
+ return rc;
+
+ if (num_slices > 1) {
+ TFP_DRV_LOG(ERR,
+ "Only single slice supported\n");
+ return -EOPNOTSUPP;
}
}
done:
tf_tcam_shared_unbind(struct tf *tfp)
{
int rc, dir;
+ struct tf_dev_info *dev;
struct tf_session *tfs;
+ void *tcam_shared_db_ptr = NULL;
+ struct tf_tcam_shared_wc_pools *tcam_shared_wc;
+ enum tf_tcam_shared_wc_pool_id pool_id;
+ struct tf_tcam_free_parms parms;
+ struct bitalloc *pool;
+ uint16_t start;
+ int log_idx, phy_idx;
+ uint16_t hcapi_type;
+ struct tf_rm_alloc_info info;
+ int i, pool_cnt;
TF_CHECK_PARMS1(tfp);
- /* Perform normal unbind, this will write all the
- * allocated TCAM entries in the shared session.
- */
- rc = tf_tcam_unbind(tfp);
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
if (rc)
return rc;
- /* Retrieve the session information */
- rc = tf_session_get_session_internal(tfp, &tfs);
+ /* If not the shared session, call the normal
+ * tcam unbind and exit
+ */
+ if (!tf_session_is_shared_session(tfs)) {
+ rc = tf_tcam_unbind(tfp);
+ return rc;
+ }
+
+ /* We must be a shared session, get the database
+ */
+ 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, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+
+ tcam_shared_wc =
+ (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
+
+ /* Get the device
+ */
+ rc = tf_session_get_device(tfs, &dev);
if (rc)
return rc;
- /* If we are the shared session
+
+ /* If there are WC TCAM entries allocated, free them
*/
- if (tf_session_is_shared_session(tfs)) {
- /* If there are WC TCAM entries allocated, free them
+ for (dir = 0; dir < TF_DIR_MAX; dir++) {
+ /* If the database is invalid, skip
*/
- for (dir = 0; dir < TF_DIR_MAX; dir++) {
- tf_tcam_shared_free_wc_pool(dir,
- TF_TCAM_SHARED_WC_POOL_HI);
+ if (!tf_tcam_db_valid(tfp, dir))
+ continue;
+
+ rc = tf_tcam_shared_get_rm_info(tfp,
+ dir,
+ &hcapi_type,
+ &info);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: TCAM shared rm info get failed\n",
+ tf_dir_2_str(dir));
+ return rc;
+ }
+
+ for (pool_id = TF_TCAM_SHARED_WC_POOL_HI;
+ pool_id < TF_TCAM_SHARED_WC_POOL_MAX;
+ pool_id++) {
+ pool = tcam_shared_wc->db[dir][pool_id].pool;
+ start = tcam_shared_wc->db[dir][pool_id].info.start;
+ pool_cnt = ba_inuse_count(pool);
+
+ if (pool_cnt) {
+ TFP_DRV_LOG(INFO,
+ "%s: %s: %d residuals found, freeing\n",
+ tf_dir_2_str(dir),
+ tf_pool_2_str(pool_id),
+ pool_cnt);
+ }
+
+ log_idx = 0;
+
+ for (i = 0; i < pool_cnt; i++) {
+ log_idx = ba_find_next_inuse(pool, log_idx);
+
+ if (log_idx < 0) {
+ TFP_DRV_LOG(ERR,
+ "Expected a found %s entry %d\n",
+ tf_pool_2_str(pool_id),
+ i);
+ /* attempt normal unbind
+ */
+ goto done;
+ }
+ phy_idx = start + log_idx;
+
+ parms.type = TF_TCAM_TBL_TYPE_WC_TCAM;
+ parms.hcapi_type = hcapi_type;
+ parms.idx = phy_idx;
+ parms.dir = dir;
+ rc = tf_msg_tcam_entry_free(tfp, dev, &parms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: %s: %d free failed, rc:%s\n",
+ tf_dir_2_str(parms.dir),
+ tf_tcam_tbl_2_str(parms.type),
+ phy_idx,
+ strerror(-rc));
+ return rc;
+ }
+ }
+ /* Free the pool once all the entries
+ * have been cleared
+ */
tf_tcam_shared_free_wc_pool(dir,
- TF_TCAM_SHARED_WC_POOL_LO);
+ pool_id,
+ tcam_shared_wc);
}
}
- return 0;
+done:
+ rc = tf_tcam_unbind(tfp);
+ return rc;
}
+
/**
* tf_tcam_shared_alloc
*/
tf_tcam_shared_alloc(struct tf *tfp,
struct tf_tcam_alloc_parms *parms)
{
- int rc, i;
+ int rc;
struct tf_session *tfs;
struct tf_dev_info *dev;
int log_idx;
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);
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
if (rc)
return rc;
- rc = tf_tcam_shared_get_slices(tfp, dev, &num_slices);
- 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++) {
- /*
- * priority 0: allocate from top of the tcam i.e. high
- * priority !0: allocate index from bottom i.e lowest
- */
- if (parms->priority)
- log_idx = ba_alloc_reverse(pool);
- else
- log_idx = ba_alloc(pool);
- if (log_idx == BA_FAIL) {
- TFP_DRV_LOG(ERR,
- "%s: Allocation failed, rc:%s\n",
- tf_dir_2_str(parms->dir),
- strerror(ENOMEM));
- return -ENOMEM;
- }
- /* return the index without the start of each row */
- if (i == 0)
- parms->idx = log_idx;
+ /*
+ * priority 0: allocate from top of the tcam i.e. high
+ * priority !0: allocate index from bottom i.e lowest
+ */
+ if (parms->priority)
+ log_idx = ba_alloc_reverse(pool);
+ else
+ log_idx = ba_alloc(pool);
+ if (log_idx == BA_FAIL) {
+ TFP_DRV_LOG(ERR,
+ "%s: Allocation failed, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ strerror(ENOMEM));
+ return -ENOMEM;
}
+ parms->idx = log_idx;
return 0;
}
struct tf_session *tfs;
struct tf_dev_info *dev;
int allocated = 0;
- int i;
uint16_t start;
int phy_idx;
struct bitalloc *pool;
enum tf_tcam_shared_wc_pool_id id;
struct tf_tcam_free_parms nparms;
- 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);
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
if (rc)
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,
return rc;
}
- pool = tcam_shared_wc[parms->dir][id].pool;
- start = tcam_shared_wc[parms->dir][id].info.start;
-
- 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;
- }
+ pool = tcam_shared_wc->db[parms->dir][id].pool;
+ start = tcam_shared_wc->db[parms->dir][id].info.start;
phy_idx = parms->idx + start;
allocated = ba_inuse(pool, parms->idx);
return -EINVAL;
}
- for (i = 0; i < num_slices; i++) {
- rc = ba_free(pool, parms->idx + i);
- if (rc) {
- TFP_DRV_LOG(ERR,
- "%s: Free failed, type:%s, idx:%d\n",
- tf_dir_2_str(parms->dir),
- tf_tcam_tbl_2_str(parms->type),
- parms->idx);
- return rc;
- }
+ rc = ba_free(pool, parms->idx);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Free failed, type:%s, idx:%d\n",
+ tf_dir_2_str(parms->dir),
+ tf_tcam_tbl_2_str(parms->type),
+ parms->idx);
+ return rc;
}
/* Override HI/LO type with parent WC TCAM type */
struct tf_dev_info *dev;
int allocated = 0;
int phy_idx, log_idx;
- uint16_t num_slices;
struct tf_tcam_set_parms nparms;
struct bitalloc *pool;
uint16_t start;
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);
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));
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;
tf_dir_2_str(parms->dir), parms->type, log_idx);
return -EINVAL;
}
- rc = tf_tcam_shared_get_slices(tfp, dev, &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_tcam_shared_get_rm_info(tfp,
parms->dir,
&hcapi_type,
struct tf_dev_info *dev;
int allocated = 0;
int phy_idx, log_idx;
- uint16_t num_slices;
struct tf_tcam_get_parms nparms;
struct bitalloc *pool;
uint16_t start;
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);
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));
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_tcam_shared_get_slices(tfp, dev, &num_slices);
- if (rc)
- return rc;
-
- if (parms->idx % num_slices) {
+ rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ if (rc) {
TFP_DRV_LOG(ERR,
- "%s: TCAM reserved resource is not multiple of %d\n",
- tf_dir_2_str(parms->dir), num_slices);
- return -EINVAL;
+ "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;
allocated = ba_inuse(pool, parms->idx);
}
return 0;
}
+
+/* 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
+#define TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P58 24
+#define TF_TCAM_SHARED_REMAP_SZ_BYTES_P58 8
+
+/* Temporary builder defines pulled in here and adjusted
+ * for max WC TCAM values
+ */
+union tf_tmp_field_obj {
+ uint32_t words[(TF_TCAM_SHARED_REMAP_SZ_BYTES_P58 + 3) / 4];
+ uint8_t bytes[TF_TCAM_SHARED_REMAP_SZ_BYTES_P58];
+};
+
+union tf_tmp_key {
+ uint32_t words[(TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P58 + 3) / 4];
+ uint8_t bytes[TF_TCAM_SHARED_KEY_SLICE_SZ_BYTES_P58];
+};
+
+/** p58 has an enable bit, p4 does not
+ */
+#define TF_TCAM_SHARED_ENTRY_ENABLE 0x8
+
+/** 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,
+ bool set_enable_bit)
+{
+ 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));
+
+ 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: %s: phyid(%d) get failed, rc:%s\n",
+ tf_tcam_tbl_2_str(gparms.type),
+ tf_dir_2_str(dir),
+ gparms.idx,
+ strerror(-rc));
+ return rc;
+ }
+
+ if (set_enable_bit)
+ tcam_key_obj.bytes[0] |= TF_TCAM_SHARED_ENTRY_ENABLE;
+
+ /* 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 = key_sz_bytes;
+ sparms.result = gparms.result;
+ sparms.result_size = remap_sz_bytes;
+
+ rc = tf_msg_tcam_entry_set(tfp, dev, &sparms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: %s phyid(%d/0x%x) set failed, rc:%s\n",
+ tf_tcam_tbl_2_str(sparms.type),
+ tf_dir_2_str(dir),
+ sparms.idx,
+ 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/0x%x) free failed, rc:%s\n",
+ tf_dir_2_str(dir),
+ tf_tcam_tbl_2_str(fparms.type),
+ sphy_idx,
+ 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,
+ bool set_enable_bit)
+{
+ int rc;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ int log_idx;
+ 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;
+ 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_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
+ */
+ log_idx = 0;
+
+ for (i = 0; i < hi_cnt; i++) {
+ /* Find next free index starting from where we left off
+ */
+ log_idx = ba_find_next_inuse(hi_pool, log_idx);
+ 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,
+ "Warning %s index %d already allocated\n",
+ tf_pool_2_str(lo_id),
+ i);
+
+ /* Since already allocated, continue with move
+ */
+ }
+
+ 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,
+ set_enable_bit);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Move error %s to %s index %d\n",
+ tf_dir_2_str(parms->dir),
+ tf_pool_2_str(hi_id),
+ tf_pool_2_str(lo_id),
+ i);
+ goto done;
+ }
+ ba_free(hi_pool, log_idx);
+ }
+done:
+ return rc;
+}
+
+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,
+ false); /* no enable bit */
+ return rc;
+}
+
+
+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,
+ true); /* set enable bit */
+ return rc;
+}
+
+int
+tf_tcam_shared_clear(struct tf *tfp,
+ struct tf_clear_tcam_shared_entries_parms *parms)
+{
+ int rc = 0;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ uint16_t start;
+ int phy_idx;
+ enum tf_tcam_shared_wc_pool_id id;
+ struct tf_tcam_free_parms nparms;
+ 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;
+ int i, cnt;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ 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))
+ 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;
+ }
+
+ 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->tcam_tbl_type == TF_TCAM_TBL_TYPE_WC_TCAM_HIGH)
+ id = TF_TCAM_SHARED_WC_POOL_HI;
+ else
+ id = TF_TCAM_SHARED_WC_POOL_LO;
+
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ 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;
+ }
+
+ start = tcam_shared_wc->db[parms->dir][id].info.start;
+ cnt = tcam_shared_wc->db[parms->dir][id].info.stride;
+
+ /* Override HI/LO type with parent WC TCAM type */
+ nparms.dir = parms->dir;
+ nparms.type = TF_TCAM_TBL_TYPE_WC_TCAM;
+ nparms.hcapi_type = hcapi_type;
+
+ for (i = 0; i < cnt; i++) {
+ phy_idx = start + i;
+ nparms.idx = phy_idx;
+
+ /* Clear entry */
+ rc = tf_msg_tcam_entry_free(tfp, dev, &nparms);
+ if (rc) {
+ /* Log error */
+ TFP_DRV_LOG(ERR,
+ "%s: %s: log%d free failed, rc:%s\n",
+ tf_dir_2_str(nparms.dir),
+ tf_tcam_tbl_2_str(nparms.type),
+ phy_idx,
+ strerror(-rc));
+ return rc;
+ }
+ }
+
+ TFP_DRV_LOG(DEBUG,
+ "%s: TCAM shared clear pool(%s)\n",
+ tf_dir_2_str(nparms.dir),
+ tf_pool_2_str(id));
+ return 0;
+}
git.droids-corp.org / dpdk.git / blobdiff