#include "bitalloc.h"
#include "tf_core.h"
-struct tf;
-
/** Shared WC TCAM pool identifiers
*/
enum tf_tcam_shared_wc_pool_id {
if (rc)
return rc;
+ if (num_slices > 1) {
+ TFP_DRV_LOG(ERR,
+ "Only single slice supported\n");
+ return -EOPNOTSUPP;
+ }
+
tf_tcam_shared_create_db(&tcam_shared_wc);
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);
- if (rc)
- return rc;
-
/* Retrieve the session information */
rc = tf_session_get_session_internal(tfp, &tfs);
if (rc)
return rc;
- rc = tf_session_get_tcam_shared_db(tfp, (void *)&tcam_shared_db_ptr);
+ /* 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 from session, rc:%s\n",
+ "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;
- /* If we are the shared session
+ tcam_shared_wc =
+ (struct tf_tcam_shared_wc_pools *)tcam_shared_db_ptr;
+
+
+ /* Get the device
*/
- if (tf_session_is_shared_session(tfs)) {
- /* If there are WC TCAM entries allocated, free them
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+
+ /* 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,
- tcam_shared_wc);
+ 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;
if (rc)
return rc;
- rc = tf_tcam_shared_get_slices(tfp, dev, &num_slices);
- if (rc)
- return rc;
-
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;
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,
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,
- "%s: TCAM reserved resource is not multiple of %d\n",
- tf_dir_2_str(parms->dir), num_slices);
- return -EINVAL;
- }
-
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;
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;
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)
- 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;
- }
log_idx = parms->idx;
phy_idx = parms->idx + start;
allocated = ba_inuse(pool, parms->idx);
int dphy_idx,
int key_sz_bytes,
int remap_sz_bytes,
- uint16_t num_slices,
bool set_enable_bit)
{
int rc = 0;
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;
if (rc) {
/* Log error */
TFP_DRV_LOG(ERR,
- "%s: WC_TCAM_HIGH: phyid(%d) get failed, rc:%s",
+ "%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));
if (rc) {
/* Log error */
TFP_DRV_LOG(ERR,
- "%s: WC_TCAM_LOW phyid(%d/0x%x) set failed, rc:%s",
+ "%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,
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;
+ int hi_cnt, i;
struct tf_tcam_shared_wc_pools *tcam_shared_wc;
void *tcam_shared_db_ptr = NULL;
/* 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,
/* Copy each valid entry to the same low pool logical offset
*/
+ log_idx = 0;
+
for (i = 0; i < hi_cnt; i++) {
- /* Go through all the slices
+ /* Find next free index starting from where we left off
*/
- 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);
+ 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);
- 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
+ /* Since already allocated, continue with move
*/
- 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,
- set_enable_bit);
- 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);
- }
+ 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;
git.droids-corp.org / dpdk.git / commitdiff