net/ixgbe: check driver type in MACsec API
[dpdk.git] / drivers / net / ena / base / ena_com.c
index 17b51b5..6257c53 100644 (file)
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright (c) 2015-2019 Amazon.com, Inc. or its affiliates.
+ * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates.
  * All rights reserved.
  */
 
@@ -73,7 +73,7 @@ static int ena_com_mem_addr_set(struct ena_com_dev *ena_dev,
        }
 
        ena_addr->mem_addr_low = lower_32_bits(addr);
-       ena_addr->mem_addr_high = upper_32_bits(addr);
+       ena_addr->mem_addr_high = (u16)upper_32_bits(addr);
 
        return 0;
 }
@@ -378,6 +378,8 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
                       0x0, io_sq->llq_info.desc_list_entry_size);
                io_sq->llq_buf_ctrl.descs_left_in_line =
                        io_sq->llq_info.descs_num_before_header;
+               io_sq->disable_meta_caching =
+                       io_sq->llq_info.disable_meta_caching;
 
                if (io_sq->llq_info.max_entries_in_tx_burst > 0)
                        io_sq->entries_in_tx_burst_left =
@@ -530,11 +532,11 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c
        timeout = ENA_GET_SYSTEM_TIMEOUT(admin_queue->completion_timeout);
 
        while (1) {
-                ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags);
-                ena_com_handle_admin_completion(admin_queue);
-                ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags);
+               ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags);
+               ena_com_handle_admin_completion(admin_queue);
+               ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags);
 
-                if (comp_ctx->status != ENA_CMD_SUBMITTED)
+               if (comp_ctx->status != ENA_CMD_SUBMITTED)
                        break;
 
                if (ENA_TIME_EXPIRE(timeout)) {
@@ -595,6 +597,14 @@ static int ena_com_set_llq(struct ena_com_dev *ena_dev)
        cmd.u.llq.desc_num_before_header_enabled = llq_info->descs_num_before_header;
        cmd.u.llq.descriptors_stride_ctrl_enabled = llq_info->desc_stride_ctrl;
 
+       if (llq_info->disable_meta_caching)
+               cmd.u.llq.accel_mode.u.set.enabled_flags |=
+                       BIT(ENA_ADMIN_DISABLE_META_CACHING);
+
+       if (llq_info->max_entries_in_tx_burst)
+               cmd.u.llq.accel_mode.u.set.enabled_flags |=
+                       BIT(ENA_ADMIN_LIMIT_TX_BURST);
+
        ret = ena_com_execute_admin_command(admin_queue,
                                            (struct ena_admin_aq_entry *)&cmd,
                                            sizeof(cmd),
@@ -714,9 +724,15 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev,
                            supported_feat,
                            llq_info->descs_num_before_header);
        }
+       /* Check for accelerated queue supported */
+       llq_info->disable_meta_caching =
+               llq_features->accel_mode.u.get.supported_flags &
+               BIT(ENA_ADMIN_DISABLE_META_CACHING);
 
-       llq_info->max_entries_in_tx_burst =
-               (u16)(llq_features->max_tx_burst_size / llq_default_cfg->llq_ring_entry_size_value);
+       if (llq_features->accel_mode.u.get.supported_flags & BIT(ENA_ADMIN_LIMIT_TX_BURST))
+               llq_info->max_entries_in_tx_burst =
+                       llq_features->accel_mode.u.get.max_tx_burst_size /
+                       llq_default_cfg->llq_ring_entry_size_value;
 
        rc = ena_com_set_llq(ena_dev);
        if (rc)
@@ -1032,6 +1048,19 @@ static int ena_com_get_feature(struct ena_com_dev *ena_dev,
                                      feature_ver);
 }
 
+static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev)
+{
+       struct ena_admin_feature_rss_flow_hash_control *hash_key =
+               (ena_dev->rss).hash_key;
+
+       ENA_RSS_FILL_KEY(&hash_key->key, sizeof(hash_key->key));
+       /* The key is stored in the device in uint32_t array
+        * as well as the API requires the key to be passed in this
+        * format. Thus the size of our array should be divided by 4
+        */
+       hash_key->keys_num = sizeof(hash_key->key) / sizeof(uint32_t);
+}
+
 static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
 {
        struct ena_rss *rss = &ena_dev->rss;
@@ -1266,63 +1295,29 @@ static int ena_com_ind_tbl_convert_to_device(struct ena_com_dev *ena_dev)
        return 0;
 }
 
-static int ena_com_ind_tbl_convert_from_device(struct ena_com_dev *ena_dev)
-{
-       u16 dev_idx_to_host_tbl[ENA_TOTAL_NUM_QUEUES] = { (u16)-1 };
-       struct ena_rss *rss = &ena_dev->rss;
-       u8 idx;
-       u16 i;
-
-       for (i = 0; i < ENA_TOTAL_NUM_QUEUES; i++)
-               dev_idx_to_host_tbl[ena_dev->io_sq_queues[i].idx] = i;
-
-       for (i = 0; i < 1 << rss->tbl_log_size; i++) {
-               if (rss->rss_ind_tbl[i].cq_idx > ENA_TOTAL_NUM_QUEUES)
-                       return ENA_COM_INVAL;
-               idx = (u8)rss->rss_ind_tbl[i].cq_idx;
-
-               if (dev_idx_to_host_tbl[idx] > ENA_TOTAL_NUM_QUEUES)
-                       return ENA_COM_INVAL;
-
-               rss->host_rss_ind_tbl[i] = dev_idx_to_host_tbl[idx];
-       }
-
-       return 0;
-}
-
-static int ena_com_init_interrupt_moderation_table(struct ena_com_dev *ena_dev)
-{
-       size_t size;
-
-       size = sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS;
-
-       ena_dev->intr_moder_tbl = ENA_MEM_ALLOC(ena_dev->dmadev, size);
-       if (!ena_dev->intr_moder_tbl)
-               return ENA_COM_NO_MEM;
-
-       ena_com_config_default_interrupt_moderation_table(ena_dev);
-
-       return 0;
-}
-
 static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev,
                                                 u16 intr_delay_resolution)
 {
-       struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-       unsigned int i;
+       u16 prev_intr_delay_resolution = ena_dev->intr_delay_resolution;
 
-       if (!intr_delay_resolution) {
+       if (unlikely(!intr_delay_resolution)) {
                ena_trc_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n");
-               intr_delay_resolution = 1;
+               intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION;
        }
-       ena_dev->intr_delay_resolution = intr_delay_resolution;
 
        /* update Rx */
-       for (i = 0; i < ENA_INTR_MAX_NUM_OF_LEVELS; i++)
-               intr_moder_tbl[i].intr_moder_interval /= intr_delay_resolution;
+       ena_dev->intr_moder_rx_interval =
+               ena_dev->intr_moder_rx_interval *
+               prev_intr_delay_resolution /
+               intr_delay_resolution;
 
        /* update Tx */
-       ena_dev->intr_moder_tx_interval /= intr_delay_resolution;
+       ena_dev->intr_moder_tx_interval =
+               ena_dev->intr_moder_tx_interval *
+               prev_intr_delay_resolution /
+               intr_delay_resolution;
+
+       ena_dev->intr_delay_resolution = intr_delay_resolution;
 }
 
 /*****************************************************************************/
@@ -1926,62 +1921,6 @@ int ena_com_get_link_params(struct ena_com_dev *ena_dev,
        return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG, 0);
 }
 
-int ena_com_extra_properties_strings_init(struct ena_com_dev *ena_dev)
-{
-       struct ena_admin_get_feat_resp resp;
-       struct ena_extra_properties_strings *extra_properties_strings =
-                       &ena_dev->extra_properties_strings;
-       u32 rc;
-       extra_properties_strings->size = ENA_ADMIN_EXTRA_PROPERTIES_COUNT *
-               ENA_ADMIN_EXTRA_PROPERTIES_STRING_LEN;
-
-       ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev,
-                              extra_properties_strings->size,
-                              extra_properties_strings->virt_addr,
-                              extra_properties_strings->dma_addr,
-                              extra_properties_strings->dma_handle);
-       if (unlikely(!extra_properties_strings->virt_addr)) {
-               ena_trc_err("Failed to allocate extra properties strings\n");
-               return 0;
-       }
-
-       rc = ena_com_get_feature_ex(ena_dev, &resp,
-                                   ENA_ADMIN_EXTRA_PROPERTIES_STRINGS,
-                                   extra_properties_strings->dma_addr,
-                                   extra_properties_strings->size, 0);
-       if (rc) {
-               ena_trc_dbg("Failed to get extra properties strings\n");
-               goto err;
-       }
-
-       return resp.u.extra_properties_strings.count;
-err:
-       ena_com_delete_extra_properties_strings(ena_dev);
-       return 0;
-}
-
-void ena_com_delete_extra_properties_strings(struct ena_com_dev *ena_dev)
-{
-       struct ena_extra_properties_strings *extra_properties_strings =
-                               &ena_dev->extra_properties_strings;
-
-       if (extra_properties_strings->virt_addr) {
-               ENA_MEM_FREE_COHERENT(ena_dev->dmadev,
-                                     extra_properties_strings->size,
-                                     extra_properties_strings->virt_addr,
-                                     extra_properties_strings->dma_addr,
-                                     extra_properties_strings->dma_handle);
-               extra_properties_strings->virt_addr = NULL;
-       }
-}
-
-int ena_com_get_extra_properties_flags(struct ena_com_dev *ena_dev,
-                                      struct ena_admin_get_feat_resp *resp)
-{
-       return ena_com_get_feature(ena_dev, resp,
-                                  ENA_ADMIN_EXTRA_PROPERTIES_FLAGS, 0);
-}
-
 int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
                              struct ena_com_dev_get_features_ctx *get_feat_ctx)
 {
@@ -2124,7 +2063,7 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data)
                timestamp = (u64)aenq_common->timestamp_low |
                        ((u64)aenq_common->timestamp_high << 32);
                ENA_TOUCH(timestamp); /* In case debug is disabled */
-               ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%"PRIu64"]\n",
+               ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%" ENA_PRIu64 "s]\n",
                            aenq_common->group,
                            aenq_common->syndrom,
                            timestamp);
@@ -2381,12 +2320,14 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
                               enum ena_admin_hash_functions func,
                               const u8 *key, u16 key_len, u32 init_val)
 {
-       struct ena_rss *rss = &ena_dev->rss;
+       struct ena_admin_feature_rss_flow_hash_control *hash_key;
        struct ena_admin_get_feat_resp get_resp;
-       struct ena_admin_feature_rss_flow_hash_control *hash_key =
-               rss->hash_key;
+       enum ena_admin_hash_functions old_func;
+       struct ena_rss *rss = &ena_dev->rss;
        int rc;
 
+       hash_key = rss->hash_key;
+
        /* Make sure size is a mult of DWs */
        if (unlikely(key_len & 0x3))
                return ENA_COM_INVAL;
@@ -2398,22 +2339,23 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
        if (unlikely(rc))
                return rc;
 
-       if (!((1 << func) & get_resp.u.flow_hash_func.supported_func)) {
+       if (!(BIT(func) & get_resp.u.flow_hash_func.supported_func)) {
                ena_trc_err("Flow hash function %d isn't supported\n", func);
                return ENA_COM_UNSUPPORTED;
        }
 
        switch (func) {
        case ENA_ADMIN_TOEPLITZ:
-               if (key_len > sizeof(hash_key->key)) {
-                       ena_trc_err("key len (%hu) is bigger than the max supported (%zu)\n",
-                                   key_len, sizeof(hash_key->key));
-                       return ENA_COM_INVAL;
+               if (key) {
+                       if (key_len != sizeof(hash_key->key)) {
+                               ena_trc_err("key len (%hu) doesn't equal the supported size (%zu)\n",
+                                            key_len, sizeof(hash_key->key));
+                               return ENA_COM_INVAL;
+                       }
+                       memcpy(hash_key->key, key, key_len);
+                       rss->hash_init_val = init_val;
+                       hash_key->keys_num = key_len / sizeof(u32);
                }
-
-               memcpy(hash_key->key, key, key_len);
-               rss->hash_init_val = init_val;
-               hash_key->keys_num = key_len >> 2;
                break;
        case ENA_ADMIN_CRC32:
                rss->hash_init_val = init_val;
@@ -2423,12 +2365,13 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
                return ENA_COM_INVAL;
        }
 
+       old_func = rss->hash_func;
        rss->hash_func = func;
        rc = ena_com_set_hash_function(ena_dev);
 
        /* Restore the old function */
        if (unlikely(rc))
-               ena_com_get_hash_function(ena_dev, NULL, NULL);
+               rss->hash_func = old_func;
 
        return rc;
 }
@@ -2450,7 +2393,11 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
        if (unlikely(rc))
                return rc;
 
-       rss->hash_func = get_resp.u.flow_hash_func.selected_func;
+       /* ENA_FFS returns 1 in case the lsb is set */
+       rss->hash_func = ENA_FFS(get_resp.u.flow_hash_func.selected_func);
+       if (rss->hash_func)
+               rss->hash_func--;
+
        if (func)
                *func = rss->hash_func;
 
@@ -2714,10 +2661,6 @@ int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl)
        if (!ind_tbl)
                return 0;
 
-       rc = ena_com_ind_tbl_convert_from_device(ena_dev);
-       if (unlikely(rc))
-               return rc;
-
        for (i = 0; i < (1 << rss->tbl_log_size); i++)
                ind_tbl[i] = rss->host_rss_ind_tbl[i];
 
@@ -2738,6 +2681,8 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size)
        if (unlikely(rc))
                goto err_hash_key;
 
+       ena_com_hash_key_fill_default_key(ena_dev);
+
        rc = ena_com_hash_ctrl_init(ena_dev);
        if (unlikely(rc))
                goto err_hash_ctrl;
@@ -2885,44 +2830,35 @@ bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev)
                                                  ENA_ADMIN_INTERRUPT_MODERATION);
 }
 
-int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev,
-                                                     u32 tx_coalesce_usecs)
+static int ena_com_update_nonadaptive_moderation_interval(u32 coalesce_usecs,
+                                                         u32 intr_delay_resolution,
+                                                         u32 *intr_moder_interval)
 {
-       if (!ena_dev->intr_delay_resolution) {
+       if (!intr_delay_resolution) {
                ena_trc_err("Illegal interrupt delay granularity value\n");
                return ENA_COM_FAULT;
        }
 
-       ena_dev->intr_moder_tx_interval = tx_coalesce_usecs /
-               ena_dev->intr_delay_resolution;
+       *intr_moder_interval = coalesce_usecs / intr_delay_resolution;
 
        return 0;
 }
 
-int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev,
-                                                     u32 rx_coalesce_usecs)
-{
-       if (!ena_dev->intr_delay_resolution) {
-               ena_trc_err("Illegal interrupt delay granularity value\n");
-               return ENA_COM_FAULT;
-       }
-
-       /* We use LOWEST entry of moderation table for storing
-        * nonadaptive interrupt coalescing values
-        */
-       ena_dev->intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval =
-               rx_coalesce_usecs / ena_dev->intr_delay_resolution;
 
-       return 0;
+int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev,
+                                                     u32 tx_coalesce_usecs)
+{
+       return ena_com_update_nonadaptive_moderation_interval(tx_coalesce_usecs,
+                                                             ena_dev->intr_delay_resolution,
+                                                             &ena_dev->intr_moder_tx_interval);
 }
 
-void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev)
+int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev,
+                                                     u32 rx_coalesce_usecs)
 {
-       if (ena_dev->intr_moder_tbl)
-               ENA_MEM_FREE(ena_dev->dmadev,
-                            ena_dev->intr_moder_tbl,
-                            (sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS));
-       ena_dev->intr_moder_tbl = NULL;
+       return ena_com_update_nonadaptive_moderation_interval(rx_coalesce_usecs,
+                                                             ena_dev->intr_delay_resolution,
+                                                             &ena_dev->intr_moder_rx_interval);
 }
 
 int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev)
@@ -2949,10 +2885,6 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev)
                return rc;
        }
 
-       rc = ena_com_init_interrupt_moderation_table(ena_dev);
-       if (rc)
-               goto err;
-
        /* if moderation is supported by device we set adaptive moderation */
        delay_resolution = get_resp.u.intr_moderation.intr_delay_resolution;
        ena_com_update_intr_delay_resolution(ena_dev, delay_resolution);
@@ -2961,52 +2893,6 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev)
        ena_com_disable_adaptive_moderation(ena_dev);
 
        return 0;
-err:
-       ena_com_destroy_interrupt_moderation(ena_dev);
-       return rc;
-}
-
-void ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev)
-{
-       struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
-       if (!intr_moder_tbl)
-               return;
-
-       intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval =
-               ENA_INTR_LOWEST_USECS;
-       intr_moder_tbl[ENA_INTR_MODER_LOWEST].pkts_per_interval =
-               ENA_INTR_LOWEST_PKTS;
-       intr_moder_tbl[ENA_INTR_MODER_LOWEST].bytes_per_interval =
-               ENA_INTR_LOWEST_BYTES;
-
-       intr_moder_tbl[ENA_INTR_MODER_LOW].intr_moder_interval =
-               ENA_INTR_LOW_USECS;
-       intr_moder_tbl[ENA_INTR_MODER_LOW].pkts_per_interval =
-               ENA_INTR_LOW_PKTS;
-       intr_moder_tbl[ENA_INTR_MODER_LOW].bytes_per_interval =
-               ENA_INTR_LOW_BYTES;
-
-       intr_moder_tbl[ENA_INTR_MODER_MID].intr_moder_interval =
-               ENA_INTR_MID_USECS;
-       intr_moder_tbl[ENA_INTR_MODER_MID].pkts_per_interval =
-               ENA_INTR_MID_PKTS;
-       intr_moder_tbl[ENA_INTR_MODER_MID].bytes_per_interval =
-               ENA_INTR_MID_BYTES;
-
-       intr_moder_tbl[ENA_INTR_MODER_HIGH].intr_moder_interval =
-               ENA_INTR_HIGH_USECS;
-       intr_moder_tbl[ENA_INTR_MODER_HIGH].pkts_per_interval =
-               ENA_INTR_HIGH_PKTS;
-       intr_moder_tbl[ENA_INTR_MODER_HIGH].bytes_per_interval =
-               ENA_INTR_HIGH_BYTES;
-
-       intr_moder_tbl[ENA_INTR_MODER_HIGHEST].intr_moder_interval =
-               ENA_INTR_HIGHEST_USECS;
-       intr_moder_tbl[ENA_INTR_MODER_HIGHEST].pkts_per_interval =
-               ENA_INTR_HIGHEST_PKTS;
-       intr_moder_tbl[ENA_INTR_MODER_HIGHEST].bytes_per_interval =
-               ENA_INTR_HIGHEST_BYTES;
 }
 
 unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev)
@@ -3016,49 +2902,7 @@ unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *
 
 unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev)
 {
-       struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
-       if (intr_moder_tbl)
-               return intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval;
-
-       return 0;
-}
-
-void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev,
-                                       enum ena_intr_moder_level level,
-                                       struct ena_intr_moder_entry *entry)
-{
-       struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
-       if (level >= ENA_INTR_MAX_NUM_OF_LEVELS)
-               return;
-
-       intr_moder_tbl[level].intr_moder_interval = entry->intr_moder_interval;
-       if (ena_dev->intr_delay_resolution)
-               intr_moder_tbl[level].intr_moder_interval /=
-                       ena_dev->intr_delay_resolution;
-       intr_moder_tbl[level].pkts_per_interval = entry->pkts_per_interval;
-
-       /* use hardcoded value until ethtool supports bytecount parameter */
-       if (entry->bytes_per_interval != ENA_INTR_BYTE_COUNT_NOT_SUPPORTED)
-               intr_moder_tbl[level].bytes_per_interval = entry->bytes_per_interval;
-}
-
-void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev,
-                                      enum ena_intr_moder_level level,
-                                      struct ena_intr_moder_entry *entry)
-{
-       struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
-       if (level >= ENA_INTR_MAX_NUM_OF_LEVELS)
-               return;
-
-       entry->intr_moder_interval = intr_moder_tbl[level].intr_moder_interval;
-       if (ena_dev->intr_delay_resolution)
-               entry->intr_moder_interval *= ena_dev->intr_delay_resolution;
-       entry->pkts_per_interval =
-       intr_moder_tbl[level].pkts_per_interval;
-       entry->bytes_per_interval = intr_moder_tbl[level].bytes_per_interval;
+       return ena_dev->intr_moder_rx_interval;
 }
 
 int ena_com_config_dev_mode(struct ena_com_dev *ena_dev,