diff options
author | Arthur Kiyanovski <akiyano@amazon.com> | 2019-06-11 14:58:05 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-06-12 21:23:44 +0300 |
commit | ba8ef506fb91005fc4808370b7587ab7bf4bd918 (patch) | |
tree | 3289c2f96edf9f65125a6b0777bf98809b6e5881 /drivers | |
parent | f2dec9a2760a02357e63374fb5352ef5c478c3f1 (diff) | |
download | linux-ba8ef506fb91005fc4808370b7587ab7bf4bd918.tar.xz |
net: ena: add MAX_QUEUES_EXT get feature admin command
Add a new admin command to support different queue size for Tx/Rx
queues (the change also support different SQ/CQ sizes)
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_admin_defs.h | 56 | ||||
-rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_com.c | 76 | ||||
-rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_com.h | 3 |
3 files changed, 105 insertions, 30 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h index 414bae989e10..c8638f7b5b8e 100644 --- a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h +++ b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h @@ -64,6 +64,7 @@ enum ena_admin_aq_feature_id { ENA_ADMIN_LLQ = 4, ENA_ADMIN_EXTRA_PROPERTIES_STRINGS = 5, ENA_ADMIN_EXTRA_PROPERTIES_FLAGS = 6, + ENA_ADMIN_MAX_QUEUES_EXT = 7, ENA_ADMIN_RSS_HASH_FUNCTION = 10, ENA_ADMIN_STATELESS_OFFLOAD_CONFIG = 11, ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG = 12, @@ -425,7 +426,13 @@ struct ena_admin_get_set_feature_common_desc { /* as appears in ena_admin_aq_feature_id */ u8 feature_id; - u16 reserved16; + /* The driver specifies the max feature version it supports and the + * device responds with the currently supported feature version. The + * field is zero based + */ + u8 feature_version; + + u8 reserved8; }; struct ena_admin_device_attr_feature_desc { @@ -535,6 +542,34 @@ struct ena_admin_feature_llq_desc { u32 max_tx_burst_size; }; +struct ena_admin_queue_ext_feature_fields { + u32 max_tx_sq_num; + + u32 max_tx_cq_num; + + u32 max_rx_sq_num; + + u32 max_rx_cq_num; + + u32 max_tx_sq_depth; + + u32 max_tx_cq_depth; + + u32 max_rx_sq_depth; + + u32 max_rx_cq_depth; + + u32 max_tx_header_size; + + /* Maximum Descriptors number, including meta descriptor, allowed for + * a single Tx packet + */ + u16 max_per_packet_tx_descs; + + /* Maximum Descriptors number allowed for a single Rx packet */ + u16 max_per_packet_rx_descs; +}; + struct ena_admin_queue_feature_desc { u32 max_sq_num; @@ -849,6 +884,19 @@ struct ena_admin_get_feat_cmd { u32 raw[11]; }; +struct ena_admin_queue_ext_feature_desc { + /* version */ + u8 version; + + u8 reserved1[3]; + + union { + struct ena_admin_queue_ext_feature_fields max_queue_ext; + + u32 raw[10]; + }; +}; + struct ena_admin_get_feat_resp { struct ena_admin_acq_common_desc acq_common_desc; @@ -861,6 +909,8 @@ struct ena_admin_get_feat_resp { struct ena_admin_queue_feature_desc max_queue; + struct ena_admin_queue_ext_feature_desc max_queue_ext; + struct ena_admin_feature_aenq_desc aenq; struct ena_admin_get_feature_link_desc link; @@ -929,7 +979,9 @@ struct ena_admin_aenq_common_desc { u16 syndrom; - /* 0 : phase */ + /* 0 : phase + * 7:1 : reserved - MBZ + */ u8 flags; u8 reserved1[3]; diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index dbc12e383ad2..9efb4be97e65 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -978,7 +978,8 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp *get_resp, enum ena_admin_aq_feature_id feature_id, dma_addr_t control_buf_dma_addr, - u32 control_buff_size) + u32 control_buff_size, + u8 feature_ver) { struct ena_com_admin_queue *admin_queue; struct ena_admin_get_feat_cmd get_cmd; @@ -1009,7 +1010,7 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, } get_cmd.control_buffer.length = control_buff_size; - + get_cmd.feat_common.feature_version = feature_ver; get_cmd.feat_common.feature_id = feature_id; ret = ena_com_execute_admin_command(admin_queue, @@ -1029,13 +1030,15 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, static int ena_com_get_feature(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp *get_resp, - enum ena_admin_aq_feature_id feature_id) + enum ena_admin_aq_feature_id feature_id, + u8 feature_ver) { return ena_com_get_feature_ex(ena_dev, get_resp, feature_id, 0, - 0); + 0, + feature_ver); } static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev) @@ -1095,7 +1098,7 @@ static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, int ret; ret = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, 0); if (unlikely(ret)) return ret; @@ -1515,7 +1518,7 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) struct ena_admin_get_feat_resp get_resp; int ret; - ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG); + ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG, 0); if (ret) { pr_info("Can't get aenq configuration\n"); return ret; @@ -1890,7 +1893,7 @@ void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid) int ena_com_get_link_params(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp *resp) { - return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG); + 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) @@ -1916,7 +1919,7 @@ int ena_com_extra_properties_strings_init(struct ena_com_dev *ena_dev) rc = ena_com_get_feature_ex(ena_dev, &resp, ENA_ADMIN_EXTRA_PROPERTIES_STRINGS, extra_properties_strings->dma_addr, - extra_properties_strings->size); + extra_properties_strings->size, 0); if (rc) { pr_debug("Failed to get extra properties strings\n"); goto err; @@ -1946,7 +1949,7 @@ 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); + ENA_ADMIN_EXTRA_PROPERTIES_FLAGS, 0); } int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, @@ -1956,7 +1959,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, int rc; rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_DEVICE_ATTRIBUTES); + ENA_ADMIN_DEVICE_ATTRIBUTES, 0); if (rc) return rc; @@ -1964,17 +1967,34 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, sizeof(get_resp.u.dev_attr)); ena_dev->supported_features = get_resp.u.dev_attr.supported_features; - rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_MAX_QUEUES_NUM); - if (rc) - return rc; + if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) { + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_MAX_QUEUES_EXT, + ENA_FEATURE_MAX_QUEUE_EXT_VER); + if (rc) + return rc; - memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue, - sizeof(get_resp.u.max_queue)); - ena_dev->tx_max_header_size = get_resp.u.max_queue.max_header_size; + if (get_resp.u.max_queue_ext.version != ENA_FEATURE_MAX_QUEUE_EXT_VER) + return -EINVAL; + + memcpy(&get_feat_ctx->max_queue_ext, &get_resp.u.max_queue_ext, + sizeof(get_resp.u.max_queue_ext)); + ena_dev->tx_max_header_size = + get_resp.u.max_queue_ext.max_queue_ext.max_tx_header_size; + } else { + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_MAX_QUEUES_NUM, 0); + memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue, + sizeof(get_resp.u.max_queue)); + ena_dev->tx_max_header_size = + get_resp.u.max_queue.max_header_size; + + if (rc) + return rc; + } rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_AENQ_CONFIG); + ENA_ADMIN_AENQ_CONFIG, 0); if (rc) return rc; @@ -1982,7 +2002,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, sizeof(get_resp.u.aenq)); rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0); if (rc) return rc; @@ -1992,7 +2012,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, /* Driver hints isn't mandatory admin command. So in case the * command isn't supported set driver hints to 0 */ - rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS); + rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS, 0); if (!rc) memcpy(&get_feat_ctx->hw_hints, &get_resp.u.hw_hints, @@ -2003,7 +2023,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, else return rc; - rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_LLQ); + rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_LLQ, 0); if (!rc) memcpy(&get_feat_ctx->llq, &get_resp.u.llq, sizeof(get_resp.u.llq)); @@ -2240,7 +2260,7 @@ int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp resp; ret = ena_com_get_feature(ena_dev, &resp, - ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0); if (unlikely(ret)) { pr_err("Failed to get offload capabilities %d\n", ret); return ret; @@ -2269,7 +2289,7 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev) /* Validate hash function is supported */ ret = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_RSS_HASH_FUNCTION); + ENA_ADMIN_RSS_HASH_FUNCTION, 0); if (unlikely(ret)) return ret; @@ -2329,7 +2349,7 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_FUNCTION, rss->hash_key_dma_addr, - sizeof(*rss->hash_key)); + sizeof(*rss->hash_key), 0); if (unlikely(rc)) return rc; @@ -2381,7 +2401,7 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev, rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_FUNCTION, rss->hash_key_dma_addr, - sizeof(*rss->hash_key)); + sizeof(*rss->hash_key), 0); if (unlikely(rc)) return rc; @@ -2406,7 +2426,7 @@ int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_INPUT, rss->hash_ctrl_dma_addr, - sizeof(*rss->hash_ctrl)); + sizeof(*rss->hash_ctrl), 0); if (unlikely(rc)) return rc; @@ -2642,7 +2662,7 @@ int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl) rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, rss->rss_ind_tbl_dma_addr, - tbl_size); + tbl_size, 0); if (unlikely(rc)) return rc; @@ -2857,7 +2877,7 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev) int rc; rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_INTERRUPT_MODERATION); + ENA_ADMIN_INTERRUPT_MODERATION, 0); if (rc) { if (rc == -EOPNOTSUPP) { diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h index 6d356cb05420..4700d92a317b 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.h +++ b/drivers/net/ethernet/amazon/ena/ena_com.h @@ -101,6 +101,8 @@ #define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF +#define ENA_FEATURE_MAX_QUEUE_EXT_VER 1 + enum ena_intr_moder_level { ENA_INTR_MODER_LOWEST = 0, ENA_INTR_MODER_LOW, @@ -389,6 +391,7 @@ struct ena_com_dev { struct ena_com_dev_get_features_ctx { struct ena_admin_queue_feature_desc max_queues; + struct ena_admin_queue_ext_feature_desc max_queue_ext; struct ena_admin_device_attr_feature_desc dev_attr; struct ena_admin_feature_aenq_desc aenq; struct ena_admin_feature_offload_desc offload; |