#include <stdio.h>
#include <rte_flow.h>
+#include <rte_hash.h>
+#include <rte_hash_crc.h>
#include "base/ice_fdir.h"
#include "base/ice_flow.h"
#include "base/ice_type.h"
return -ENOMEM;
}
+static int
+ice_fdir_counter_pool_add(__rte_unused struct ice_pf *pf,
+ struct ice_fdir_counter_pool_container *container,
+ uint32_t index_start,
+ uint32_t len)
+{
+ struct ice_fdir_counter_pool *pool;
+ uint32_t i;
+ int ret = 0;
+
+ pool = rte_zmalloc("ice_fdir_counter_pool",
+ sizeof(*pool) +
+ sizeof(struct ice_fdir_counter) * len,
+ 0);
+ if (!pool) {
+ PMD_INIT_LOG(ERR,
+ "Failed to allocate memory for fdir counter pool");
+ return -ENOMEM;
+ }
+
+ TAILQ_INIT(&pool->counter_list);
+ TAILQ_INSERT_TAIL(&container->pool_list, pool, next);
+
+ for (i = 0; i < len; i++) {
+ struct ice_fdir_counter *counter = &pool->counters[i];
+
+ counter->hw_index = index_start + i;
+ TAILQ_INSERT_TAIL(&pool->counter_list, counter, next);
+ }
+
+ if (container->index_free == ICE_FDIR_COUNTER_MAX_POOL_SIZE) {
+ PMD_INIT_LOG(ERR, "FDIR counter pool is full");
+ ret = -EINVAL;
+ goto free_pool;
+ }
+
+ container->pools[container->index_free++] = pool;
+ return 0;
+
+free_pool:
+ rte_free(pool);
+ return ret;
+}
+
+static int
+ice_fdir_counter_init(struct ice_pf *pf)
+{
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ struct ice_fdir_counter_pool_container *container =
+ &fdir_info->counter;
+ uint32_t cnt_index, len;
+ int ret;
+
+ TAILQ_INIT(&container->pool_list);
+
+ cnt_index = ICE_FDIR_COUNTER_INDEX(hw->fd_ctr_base);
+ len = ICE_FDIR_COUNTERS_PER_BLOCK;
+
+ ret = ice_fdir_counter_pool_add(pf, container, cnt_index, len);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to add fdir pool to container");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int
+ice_fdir_counter_release(struct ice_pf *pf)
+{
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ struct ice_fdir_counter_pool_container *container =
+ &fdir_info->counter;
+ uint8_t i;
+
+ for (i = 0; i < container->index_free; i++)
+ rte_free(container->pools[i]);
+
+ return 0;
+}
+
+static struct ice_fdir_counter *
+ice_fdir_counter_shared_search(struct ice_fdir_counter_pool_container
+ *container,
+ uint32_t id)
+{
+ struct ice_fdir_counter_pool *pool;
+ struct ice_fdir_counter *counter;
+ int i;
+
+ TAILQ_FOREACH(pool, &container->pool_list, next) {
+ for (i = 0; i < ICE_FDIR_COUNTERS_PER_BLOCK; i++) {
+ counter = &pool->counters[i];
+
+ if (counter->shared &&
+ counter->ref_cnt &&
+ counter->id == id)
+ return counter;
+ }
+ }
+
+ return NULL;
+}
+
+static struct ice_fdir_counter *
+ice_fdir_counter_alloc(struct ice_pf *pf, uint32_t shared, uint32_t id)
+{
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ struct ice_fdir_counter_pool_container *container =
+ &fdir_info->counter;
+ struct ice_fdir_counter_pool *pool = NULL;
+ struct ice_fdir_counter *counter_free = NULL;
+
+ if (shared) {
+ counter_free = ice_fdir_counter_shared_search(container, id);
+ if (counter_free) {
+ if (counter_free->ref_cnt + 1 == 0) {
+ rte_errno = E2BIG;
+ return NULL;
+ }
+ counter_free->ref_cnt++;
+ return counter_free;
+ }
+ }
+
+ TAILQ_FOREACH(pool, &container->pool_list, next) {
+ counter_free = TAILQ_FIRST(&pool->counter_list);
+ if (counter_free)
+ break;
+ counter_free = NULL;
+ }
+
+ if (!counter_free) {
+ PMD_DRV_LOG(ERR, "No free counter found\n");
+ return NULL;
+ }
+
+ counter_free->shared = shared;
+ counter_free->id = id;
+ counter_free->ref_cnt = 1;
+ counter_free->pool = pool;
+
+ /* reset statistic counter value */
+ ICE_WRITE_REG(hw, GLSTAT_FD_CNT0H(counter_free->hw_index), 0);
+ ICE_WRITE_REG(hw, GLSTAT_FD_CNT0L(counter_free->hw_index), 0);
+
+ TAILQ_REMOVE(&pool->counter_list, counter_free, next);
+ if (TAILQ_EMPTY(&pool->counter_list)) {
+ TAILQ_REMOVE(&container->pool_list, pool, next);
+ TAILQ_INSERT_TAIL(&container->pool_list, pool, next);
+ }
+
+ return counter_free;
+}
+
+static void
+ice_fdir_counter_free(__rte_unused struct ice_pf *pf,
+ struct ice_fdir_counter *counter)
+{
+ if (!counter)
+ return;
+
+ if (--counter->ref_cnt == 0) {
+ struct ice_fdir_counter_pool *pool = counter->pool;
+
+ TAILQ_INSERT_TAIL(&pool->counter_list, counter, next);
+ }
+}
+
+static int
+ice_fdir_init_filter_list(struct ice_pf *pf)
+{
+ struct rte_eth_dev *dev = pf->adapter->eth_dev;
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ char fdir_hash_name[RTE_HASH_NAMESIZE];
+ int ret;
+
+ struct rte_hash_parameters fdir_hash_params = {
+ .name = fdir_hash_name,
+ .entries = ICE_MAX_FDIR_FILTER_NUM,
+ .key_len = sizeof(struct ice_fdir_fltr_pattern),
+ .hash_func = rte_hash_crc,
+ .hash_func_init_val = 0,
+ .socket_id = rte_socket_id(),
+ };
+
+ /* Initialize hash */
+ snprintf(fdir_hash_name, RTE_HASH_NAMESIZE,
+ "fdir_%s", dev->device->name);
+ fdir_info->hash_table = rte_hash_create(&fdir_hash_params);
+ if (!fdir_info->hash_table) {
+ PMD_INIT_LOG(ERR, "Failed to create fdir hash table!");
+ return -EINVAL;
+ }
+ fdir_info->hash_map = rte_zmalloc("ice_fdir_hash_map",
+ sizeof(*fdir_info->hash_map) *
+ ICE_MAX_FDIR_FILTER_NUM,
+ 0);
+ if (!fdir_info->hash_map) {
+ PMD_INIT_LOG(ERR,
+ "Failed to allocate memory for fdir hash map!");
+ ret = -ENOMEM;
+ goto err_fdir_hash_map_alloc;
+ }
+ return 0;
+
+err_fdir_hash_map_alloc:
+ rte_hash_free(fdir_info->hash_table);
+
+ return ret;
+}
+
+static void
+ice_fdir_release_filter_list(struct ice_pf *pf)
+{
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+
+ if (fdir_info->hash_map)
+ rte_free(fdir_info->hash_map);
+ if (fdir_info->hash_table)
+ rte_hash_free(fdir_info->hash_table);
+}
+
/*
* ice_fdir_setup - reserve and initialize the Flow Director resources
* @pf: board private structure
}
pf->fdir.fdir_vsi = vsi;
+ err = ice_fdir_init_filter_list(pf);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to init FDIR filter list.");
+ return -EINVAL;
+ }
+
+ err = ice_fdir_counter_init(pf);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to init FDIR counter.");
+ return -EINVAL;
+ }
+
/*Fdir tx queue setup*/
err = ice_fdir_setup_tx_resources(pf);
if (err) {
if (err)
PMD_DRV_LOG(ERR, "Failed to stop RX queue.");
+ err = ice_fdir_counter_release(pf);
+ if (err)
+ PMD_DRV_LOG(ERR, "Failed to release FDIR counter resource.");
+
+ ice_fdir_release_filter_list(pf);
+
ice_tx_queue_release(pf->fdir.txq);
pf->fdir.txq = NULL;
ice_rx_queue_release(pf->fdir.rxq);
return ice_fdir_programming(pf, &desc);
}
+static void
+ice_fdir_extract_fltr_key(struct ice_fdir_fltr_pattern *key,
+ struct ice_fdir_filter_conf *filter)
+{
+ struct ice_fdir_fltr *input = &filter->input;
+ memset(key, 0, sizeof(*key));
+
+ key->flow_type = input->flow_type;
+ rte_memcpy(&key->ip, &input->ip, sizeof(key->ip));
+ rte_memcpy(&key->mask, &input->mask, sizeof(key->mask));
+ rte_memcpy(&key->ext_data, &input->ext_data, sizeof(key->ext_data));
+ rte_memcpy(&key->ext_mask, &input->ext_mask, sizeof(key->ext_mask));
+}
+
+/* Check if there exists the flow director filter */
+static struct ice_fdir_filter_conf *
+ice_fdir_entry_lookup(struct ice_fdir_info *fdir_info,
+ const struct ice_fdir_fltr_pattern *key)
+{
+ int ret;
+
+ ret = rte_hash_lookup(fdir_info->hash_table, key);
+ if (ret < 0)
+ return NULL;
+
+ return fdir_info->hash_map[ret];
+}
+
+/* Add a flow director entry into the SW list */
+static int
+ice_fdir_entry_insert(struct ice_pf *pf,
+ struct ice_fdir_filter_conf *entry,
+ struct ice_fdir_fltr_pattern *key)
+{
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ int ret;
+
+ ret = rte_hash_add_key(fdir_info->hash_table, key);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR,
+ "Failed to insert fdir entry to hash table %d!",
+ ret);
+ return ret;
+ }
+ fdir_info->hash_map[ret] = entry;
+
+ return 0;
+}
+
+/* Delete a flow director entry from the SW list */
+static int
+ice_fdir_entry_del(struct ice_pf *pf, struct ice_fdir_fltr_pattern *key)
+{
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ int ret;
+
+ ret = rte_hash_del_key(fdir_info->hash_table, key);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR,
+ "Failed to delete fdir filter to hash table %d!",
+ ret);
+ return ret;
+ }
+ fdir_info->hash_map[ret] = NULL;
+
+ return 0;
+}
+
static int
ice_fdir_create_filter(struct ice_adapter *ad,
struct rte_flow *flow,
{
struct ice_pf *pf = &ad->pf;
struct ice_fdir_filter_conf *filter = meta;
- struct ice_fdir_filter_conf *rule;
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ struct ice_fdir_filter_conf *entry, *node;
+ struct ice_fdir_fltr_pattern key;
int ret;
- rule = rte_zmalloc("fdir_entry", sizeof(*rule), 0);
- if (!rule) {
+ ice_fdir_extract_fltr_key(&key, filter);
+ node = ice_fdir_entry_lookup(fdir_info, &key);
+ if (node) {
+ rte_flow_error_set(error, EEXIST,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Rule already exists!");
+ return -rte_errno;
+ }
+
+ entry = rte_zmalloc("fdir_entry", sizeof(*entry), 0);
+ if (!entry) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
"Failed to allocate memory");
goto free_entry;
}
+ /* alloc counter for FDIR */
+ if (filter->input.cnt_ena) {
+ struct rte_flow_action_count *act_count = &filter->act_count;
+
+ filter->counter = ice_fdir_counter_alloc(pf,
+ act_count->shared,
+ act_count->id);
+ if (!filter->counter) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "Failed to alloc FDIR counter.");
+ goto free_entry;
+ }
+ filter->input.cnt_index = filter->counter->hw_index;
+ }
+
ret = ice_fdir_add_del_filter(pf, filter, true);
if (ret) {
rte_flow_error_set(error, -ret,
RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
"Add filter rule failed.");
+ goto free_counter;
+ }
+
+ rte_memcpy(entry, filter, sizeof(*entry));
+ ret = ice_fdir_entry_insert(pf, entry, &key);
+ if (ret) {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Insert entry to table failed.");
goto free_entry;
}
- rte_memcpy(rule, filter, sizeof(*rule));
- flow->rule = rule;
+ flow->rule = entry;
ice_fdir_cnt_update(pf, filter->input.flow_type, false, true);
+
return 0;
+free_counter:
+ if (filter->counter) {
+ ice_fdir_counter_free(pf, filter->counter);
+ filter->counter = NULL;
+ }
+
free_entry:
- rte_free(rule);
+ rte_free(entry);
return -rte_errno;
}
struct rte_flow_error *error)
{
struct ice_pf *pf = &ad->pf;
- struct ice_fdir_filter_conf *filter;
+ struct ice_fdir_info *fdir_info = &pf->fdir;
+ struct ice_fdir_filter_conf *filter, *entry;
+ struct ice_fdir_fltr_pattern key;
int ret;
filter = (struct ice_fdir_filter_conf *)flow->rule;
+ if (filter->counter) {
+ ice_fdir_counter_free(pf, filter->counter);
+ filter->counter = NULL;
+ }
+
+ ice_fdir_extract_fltr_key(&key, filter);
+ entry = ice_fdir_entry_lookup(fdir_info, &key);
+ if (!entry) {
+ rte_flow_error_set(error, ENOENT,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Can't find entry.");
+ return -rte_errno;
+ }
+
ret = ice_fdir_add_del_filter(pf, filter, false);
if (ret) {
rte_flow_error_set(error, -ret,
return -rte_errno;
}
+ ret = ice_fdir_entry_del(pf, &key);
+ if (ret) {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Remove entry from table failed.");
+ return -rte_errno;
+ }
+
ice_fdir_cnt_update(pf, filter->input.flow_type, false, false);
flow->rule = NULL;
return 0;
}
+static int
+ice_fdir_query_count(struct ice_adapter *ad,
+ struct rte_flow *flow,
+ struct rte_flow_query_count *flow_stats,
+ struct rte_flow_error *error)
+{
+ struct ice_pf *pf = &ad->pf;
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_fdir_filter_conf *filter = flow->rule;
+ struct ice_fdir_counter *counter = filter->counter;
+ uint64_t hits_lo, hits_hi;
+
+ if (!counter) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "FDIR counters not available");
+ return -rte_errno;
+ }
+
+ /*
+ * Reading the low 32-bits latches the high 32-bits into a shadow
+ * register. Reading the high 32-bit returns the value in the
+ * shadow register.
+ */
+ hits_lo = ICE_READ_REG(hw, GLSTAT_FD_CNT0L(counter->hw_index));
+ hits_hi = ICE_READ_REG(hw, GLSTAT_FD_CNT0H(counter->hw_index));
+
+ flow_stats->hits_set = 1;
+ flow_stats->hits = hits_lo | (hits_hi << 32);
+ flow_stats->bytes_set = 0;
+ flow_stats->bytes = 0;
+
+ if (flow_stats->reset) {
+ /* reset statistic counter value */
+ ICE_WRITE_REG(hw, GLSTAT_FD_CNT0H(counter->hw_index), 0);
+ ICE_WRITE_REG(hw, GLSTAT_FD_CNT0L(counter->hw_index), 0);
+ }
+
+ return 0;
+}
+
static struct ice_flow_engine ice_fdir_engine = {
.init = ice_fdir_init,
.uninit = ice_fdir_uninit,
.create = ice_fdir_create_filter,
.destroy = ice_fdir_destroy_filter,
+ .query_count = ice_fdir_query_count,
.type = ICE_FLOW_ENGINE_FDIR,
};
struct ice_pf *pf = &ad->pf;
const struct rte_flow_action_queue *act_q;
const struct rte_flow_action_mark *mark_spec = NULL;
+ const struct rte_flow_action_count *act_count;
uint32_t dest_num = 0;
uint32_t mark_num = 0;
+ uint32_t counter_num = 0;
int ret;
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
mark_spec = actions->conf;
filter->input.fltr_id = mark_spec->id;
+ break;
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ counter_num++;
+
+ act_count = actions->conf;
+ filter->input.cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
+ rte_memcpy(&filter->act_count, act_count,
+ sizeof(filter->act_count));
+
break;
default:
rte_flow_error_set(error, EINVAL,
return -rte_errno;
}
+ if (counter_num >= 2) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, actions,
+ "Too many count actions");
+ return -rte_errno;
+ }
+
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff