-/*-
-* BSD LICENSE
-*
-* Copyright (c) 2015-2016 Amazon.com, Inc. or its affiliates.
-* All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions
-* are met:
-*
-* * Redistributions of source code must retain the above copyright
-* notice, this list of conditions and the following disclaimer.
-* * Redistributions in binary form must reproduce the above copyright
-* notice, this list of conditions and the following disclaimer in
-* the documentation and/or other materials provided with the
-* distribution.
-* * Neither the name of copyright holder nor the names of its
-* contributors may be used to endorse or promote products derived
-* from this software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates.
+ * All rights reserved.
+ */
+#include <rte_string_fns.h>
#include <rte_ether.h>
-#include <rte_ethdev_driver.h>
-#include <rte_ethdev_pci.h>
+#include <ethdev_driver.h>
+#include <ethdev_pci.h>
#include <rte_tcp.h>
#include <rte_atomic.h>
#include <rte_dev.h>
#include <rte_errno.h>
#include <rte_version.h>
-#include <rte_eal_memconfig.h>
#include <rte_net.h>
+#include <rte_kvargs.h>
#include "ena_ethdev.h"
#include "ena_logs.h"
#include <ena_admin_defs.h>
#include <ena_eth_io_defs.h>
-#define DRV_MODULE_VER_MAJOR 1
-#define DRV_MODULE_VER_MINOR 1
-#define DRV_MODULE_VER_SUBMINOR 1
+#define DRV_MODULE_VER_MAJOR 2
+#define DRV_MODULE_VER_MINOR 3
+#define DRV_MODULE_VER_SUBMINOR 0
#define ENA_IO_TXQ_IDX(q) (2 * (q))
#define ENA_IO_RXQ_IDX(q) (2 * (q) + 1)
/*reverse version of ENA_IO_RXQ_IDX*/
#define ENA_IO_RXQ_IDX_REV(q) ((q - 1) / 2)
-/* While processing submitted and completed descriptors (rx and tx path
- * respectively) in a loop it is desired to:
- * - perform batch submissions while populating sumbissmion queue
- * - avoid blocking transmission of other packets during cleanup phase
- * Hence the utilization ratio of 1/8 of a queue size.
- */
-#define ENA_RING_DESCS_RATIO(ring_size) (ring_size / 8)
-
#define __MERGE_64B_H_L(h, l) (((uint64_t)h << 32) | l)
#define TEST_BIT(val, bit_shift) (val & (1UL << bit_shift))
#define GET_L4_HDR_LEN(mbuf) \
- ((rte_pktmbuf_mtod_offset(mbuf, struct tcp_hdr *, \
+ ((rte_pktmbuf_mtod_offset(mbuf, struct rte_tcp_hdr *, \
mbuf->l3_len + mbuf->l2_len)->data_off) >> 4)
#define ENA_RX_RSS_TABLE_LOG_SIZE 7
#define ENA_RX_RSS_TABLE_SIZE (1 << ENA_RX_RSS_TABLE_LOG_SIZE)
#define ENA_HASH_KEY_SIZE 40
-#define ENA_ETH_SS_STATS 0xFF
#define ETH_GSTRING_LEN 32
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define ARRAY_SIZE(x) RTE_DIM(x)
-#define ENA_MAX_RING_DESC ENA_DEFAULT_RING_SIZE
#define ENA_MIN_RING_DESC 128
+#define ENA_PTYPE_HAS_HASH (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP)
+
enum ethtool_stringset {
ETH_SS_TEST = 0,
ETH_SS_STATS,
int stat_offset;
};
-#define ENA_STAT_ENA_COM_ENTRY(stat) { \
- .name = #stat, \
- .stat_offset = offsetof(struct ena_com_stats_admin, stat) \
-}
-
#define ENA_STAT_ENTRY(stat, stat_type) { \
.name = #stat, \
.stat_offset = offsetof(struct ena_stats_##stat_type, stat) \
#define ENA_STAT_TX_ENTRY(stat) \
ENA_STAT_ENTRY(stat, tx)
+#define ENA_STAT_ENI_ENTRY(stat) \
+ ENA_STAT_ENTRY(stat, eni)
+
#define ENA_STAT_GLOBAL_ENTRY(stat) \
ENA_STAT_ENTRY(stat, dev)
+/* Device arguments */
+#define ENA_DEVARG_LARGE_LLQ_HDR "large_llq_hdr"
+
/*
* Each rte_memzone should have unique name.
* To satisfy it, count number of allocation and add it to name.
*/
-uint32_t ena_alloc_cnt;
+rte_atomic64_t ena_alloc_cnt;
static const struct ena_stats ena_stats_global_strings[] = {
- ENA_STAT_GLOBAL_ENTRY(tx_timeout),
- ENA_STAT_GLOBAL_ENTRY(io_suspend),
- ENA_STAT_GLOBAL_ENTRY(io_resume),
ENA_STAT_GLOBAL_ENTRY(wd_expired),
- ENA_STAT_GLOBAL_ENTRY(interface_up),
- ENA_STAT_GLOBAL_ENTRY(interface_down),
- ENA_STAT_GLOBAL_ENTRY(admin_q_pause),
+ ENA_STAT_GLOBAL_ENTRY(dev_start),
+ ENA_STAT_GLOBAL_ENTRY(dev_stop),
+ ENA_STAT_GLOBAL_ENTRY(tx_drops),
+};
+
+static const struct ena_stats ena_stats_eni_strings[] = {
+ ENA_STAT_ENI_ENTRY(bw_in_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(bw_out_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(pps_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(conntrack_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(linklocal_allowance_exceeded),
};
static const struct ena_stats ena_stats_tx_strings[] = {
ENA_STAT_TX_ENTRY(cnt),
ENA_STAT_TX_ENTRY(bytes),
- ENA_STAT_TX_ENTRY(queue_stop),
- ENA_STAT_TX_ENTRY(queue_wakeup),
- ENA_STAT_TX_ENTRY(dma_mapping_err),
+ ENA_STAT_TX_ENTRY(prepare_ctx_err),
ENA_STAT_TX_ENTRY(linearize),
ENA_STAT_TX_ENTRY(linearize_failed),
ENA_STAT_TX_ENTRY(tx_poll),
ENA_STAT_TX_ENTRY(doorbells),
- ENA_STAT_TX_ENTRY(prepare_ctx_err),
- ENA_STAT_TX_ENTRY(missing_tx_comp),
ENA_STAT_TX_ENTRY(bad_req_id),
+ ENA_STAT_TX_ENTRY(available_desc),
};
static const struct ena_stats ena_stats_rx_strings[] = {
ENA_STAT_RX_ENTRY(cnt),
ENA_STAT_RX_ENTRY(bytes),
- ENA_STAT_RX_ENTRY(refil_partial),
+ ENA_STAT_RX_ENTRY(refill_partial),
ENA_STAT_RX_ENTRY(bad_csum),
- ENA_STAT_RX_ENTRY(page_alloc_fail),
- ENA_STAT_RX_ENTRY(skb_alloc_fail),
- ENA_STAT_RX_ENTRY(dma_mapping_err),
+ ENA_STAT_RX_ENTRY(mbuf_alloc_fail),
ENA_STAT_RX_ENTRY(bad_desc_num),
- ENA_STAT_RX_ENTRY(small_copy_len_pkt),
-};
-
-static const struct ena_stats ena_stats_ena_com_strings[] = {
- ENA_STAT_ENA_COM_ENTRY(aborted_cmd),
- ENA_STAT_ENA_COM_ENTRY(submitted_cmd),
- ENA_STAT_ENA_COM_ENTRY(completed_cmd),
- ENA_STAT_ENA_COM_ENTRY(out_of_space),
- ENA_STAT_ENA_COM_ENTRY(no_completion),
+ ENA_STAT_RX_ENTRY(bad_req_id),
};
#define ENA_STATS_ARRAY_GLOBAL ARRAY_SIZE(ena_stats_global_strings)
+#define ENA_STATS_ARRAY_ENI ARRAY_SIZE(ena_stats_eni_strings)
#define ENA_STATS_ARRAY_TX ARRAY_SIZE(ena_stats_tx_strings)
#define ENA_STATS_ARRAY_RX ARRAY_SIZE(ena_stats_rx_strings)
-#define ENA_STATS_ARRAY_ENA_COM ARRAY_SIZE(ena_stats_ena_com_strings)
#define QUEUE_OFFLOADS (DEV_TX_OFFLOAD_TCP_CKSUM |\
DEV_TX_OFFLOAD_UDP_CKSUM |\
/** Vendor ID used by Amazon devices */
#define PCI_VENDOR_ID_AMAZON 0x1D0F
/** Amazon devices */
-#define PCI_DEVICE_ID_ENA_VF 0xEC20
-#define PCI_DEVICE_ID_ENA_LLQ_VF 0xEC21
+#define PCI_DEVICE_ID_ENA_VF 0xEC20
+#define PCI_DEVICE_ID_ENA_VF_RSERV0 0xEC21
#define ENA_TX_OFFLOAD_MASK (\
PKT_TX_L4_MASK | \
#define ENA_TX_OFFLOAD_NOTSUP_MASK \
(PKT_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
-int ena_logtype_init;
-int ena_logtype_driver;
-
static const struct rte_pci_id pci_id_ena_map[] = {
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF) },
- { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF_RSERV0) },
{ .device_id = 0 },
};
static struct ena_aenq_handlers aenq_handlers;
static int ena_device_init(struct ena_com_dev *ena_dev,
+ struct rte_pci_device *pdev,
struct ena_com_dev_get_features_ctx *get_feat_ctx,
bool *wd_state);
static int ena_dev_configure(struct rte_eth_dev *dev);
+static void ena_tx_map_mbuf(struct ena_ring *tx_ring,
+ struct ena_tx_buffer *tx_info,
+ struct rte_mbuf *mbuf,
+ void **push_header,
+ uint16_t *header_len);
+static int ena_xmit_mbuf(struct ena_ring *tx_ring, struct rte_mbuf *mbuf);
+static void ena_tx_cleanup(struct ena_ring *tx_ring);
static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
static uint16_t eth_ena_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_desc, unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp);
+static inline void ena_init_rx_mbuf(struct rte_mbuf *mbuf, uint16_t len);
+static struct rte_mbuf *ena_rx_mbuf(struct ena_ring *rx_ring,
+ struct ena_com_rx_buf_info *ena_bufs,
+ uint32_t descs,
+ uint16_t *next_to_clean,
+ uint8_t offset);
static uint16_t eth_ena_recv_pkts(void *rx_queue,
struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+static int ena_add_single_rx_desc(struct ena_com_io_sq *io_sq,
+ struct rte_mbuf *mbuf, uint16_t id);
static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count);
-static void ena_init_rings(struct ena_adapter *adapter);
+static void ena_init_rings(struct ena_adapter *adapter,
+ bool disable_meta_caching);
static int ena_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int ena_start(struct rte_eth_dev *dev);
-static void ena_stop(struct rte_eth_dev *dev);
-static void ena_close(struct rte_eth_dev *dev);
+static int ena_stop(struct rte_eth_dev *dev);
+static int ena_close(struct rte_eth_dev *dev);
static int ena_dev_reset(struct rte_eth_dev *dev);
static int ena_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
static void ena_rx_queue_release_all(struct rte_eth_dev *dev);
static int ena_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
static int ena_create_io_queue(struct ena_ring *ring);
-static void ena_free_io_queues_all(struct ena_adapter *adapter);
-static int ena_queue_restart(struct ena_ring *ring);
-static int ena_queue_restart_all(struct rte_eth_dev *dev,
- enum ena_ring_type ring_type);
+static void ena_queue_stop(struct ena_ring *ring);
+static void ena_queue_stop_all(struct rte_eth_dev *dev,
+ enum ena_ring_type ring_type);
+static int ena_queue_start(struct ena_ring *ring);
+static int ena_queue_start_all(struct rte_eth_dev *dev,
+ enum ena_ring_type ring_type);
static void ena_stats_restart(struct rte_eth_dev *dev);
-static void ena_infos_get(struct rte_eth_dev *dev,
- struct rte_eth_dev_info *dev_info);
+static int ena_infos_get(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info);
static int ena_rss_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
static int ena_rss_reta_query(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
-static int ena_get_sset_count(struct rte_eth_dev *dev, int sset);
static void ena_interrupt_handler_rte(void *cb_arg);
static void ena_timer_wd_callback(struct rte_timer *timer, void *arg);
+static void ena_destroy_device(struct rte_eth_dev *eth_dev);
+static int eth_ena_dev_init(struct rte_eth_dev *eth_dev);
+static int ena_xstats_get_names(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int n);
+static int ena_xstats_get(struct rte_eth_dev *dev,
+ struct rte_eth_xstat *stats,
+ unsigned int n);
+static int ena_xstats_get_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ uint64_t *values,
+ unsigned int n);
+static int ena_process_bool_devarg(const char *key,
+ const char *value,
+ void *opaque);
+static int ena_parse_devargs(struct ena_adapter *adapter,
+ struct rte_devargs *devargs);
+static int ena_copy_eni_stats(struct ena_adapter *adapter);
static const struct eth_dev_ops ena_dev_ops = {
.dev_configure = ena_dev_configure,
.dev_stop = ena_stop,
.link_update = ena_link_update,
.stats_get = ena_stats_get,
+ .xstats_get_names = ena_xstats_get_names,
+ .xstats_get = ena_xstats_get,
+ .xstats_get_by_id = ena_xstats_get_by_id,
.mtu_set = ena_mtu_set,
.rx_queue_release = ena_rx_queue_release,
.tx_queue_release = ena_tx_queue_release,
.reta_query = ena_rss_reta_query,
};
-#define NUMA_NO_NODE SOCKET_ID_ANY
-
-static inline int ena_cpu_to_node(int cpu)
+void ena_rss_key_fill(void *key, size_t size)
{
- struct rte_config *config = rte_eal_get_configuration();
- struct rte_fbarray *arr = &config->mem_config->memzones;
- const struct rte_memzone *mz;
+ static bool key_generated;
+ static uint8_t default_key[ENA_HASH_KEY_SIZE];
+ size_t i;
- if (unlikely(cpu >= RTE_MAX_MEMZONE))
- return NUMA_NO_NODE;
+ RTE_ASSERT(size <= ENA_HASH_KEY_SIZE);
- mz = rte_fbarray_get(arr, cpu);
+ if (!key_generated) {
+ for (i = 0; i < ENA_HASH_KEY_SIZE; ++i)
+ default_key[i] = rte_rand() & 0xff;
+ key_generated = true;
+ }
- return mz->socket_id;
+ rte_memcpy(key, default_key, size);
}
static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
else if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_UDP)
packet_type |= RTE_PTYPE_L4_UDP;
- if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4)
+ if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4) {
packet_type |= RTE_PTYPE_L3_IPV4;
- else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6)
+ if (unlikely(ena_rx_ctx->l3_csum_err))
+ ol_flags |= PKT_RX_IP_CKSUM_BAD;
+ else
+ ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+ } else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6) {
packet_type |= RTE_PTYPE_L3_IPV6;
+ }
- if (unlikely(ena_rx_ctx->l4_csum_err))
- ol_flags |= PKT_RX_L4_CKSUM_BAD;
- if (unlikely(ena_rx_ctx->l3_csum_err))
- ol_flags |= PKT_RX_IP_CKSUM_BAD;
+ if (!ena_rx_ctx->l4_csum_checked || ena_rx_ctx->frag)
+ ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
+ else
+ if (unlikely(ena_rx_ctx->l4_csum_err))
+ ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ else
+ ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+
+ if (likely((packet_type & ENA_PTYPE_HAS_HASH) && !ena_rx_ctx->frag)) {
+ ol_flags |= PKT_RX_RSS_HASH;
+ mbuf->hash.rss = ena_rx_ctx->hash;
+ }
mbuf->ol_flags = ol_flags;
mbuf->packet_type = packet_type;
static inline void ena_tx_mbuf_prepare(struct rte_mbuf *mbuf,
struct ena_com_tx_ctx *ena_tx_ctx,
- uint64_t queue_offloads)
+ uint64_t queue_offloads,
+ bool disable_meta_caching)
{
struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta;
}
/* check if L4 checksum is needed */
- if ((mbuf->ol_flags & PKT_TX_TCP_CKSUM) &&
+ if (((mbuf->ol_flags & PKT_TX_L4_MASK) == PKT_TX_TCP_CKSUM) &&
(queue_offloads & DEV_TX_OFFLOAD_TCP_CKSUM)) {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_TCP;
ena_tx_ctx->l4_csum_enable = true;
- } else if ((mbuf->ol_flags & PKT_TX_UDP_CKSUM) &&
- (queue_offloads & DEV_TX_OFFLOAD_UDP_CKSUM)) {
+ } else if (((mbuf->ol_flags & PKT_TX_L4_MASK) ==
+ PKT_TX_UDP_CKSUM) &&
+ (queue_offloads & DEV_TX_OFFLOAD_UDP_CKSUM)) {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_UDP;
ena_tx_ctx->l4_csum_enable = true;
} else {
ena_meta->l3_hdr_len = mbuf->l3_len;
ena_meta->l3_hdr_offset = mbuf->l2_len;
+ ena_tx_ctx->meta_valid = true;
+ } else if (disable_meta_caching) {
+ memset(ena_meta, 0, sizeof(*ena_meta));
ena_tx_ctx->meta_valid = true;
} else {
ena_tx_ctx->meta_valid = false;
}
}
-static inline int validate_rx_req_id(struct ena_ring *rx_ring, uint16_t req_id)
-{
- if (likely(req_id < rx_ring->ring_size))
- return 0;
-
- RTE_LOG(ERR, PMD, "Invalid rx req_id: %hu\n", req_id);
-
- rx_ring->adapter->reset_reason = ENA_REGS_RESET_INV_RX_REQ_ID;
- rx_ring->adapter->trigger_reset = true;
-
- return -EFAULT;
-}
-
static int validate_tx_req_id(struct ena_ring *tx_ring, u16 req_id)
{
struct ena_tx_buffer *tx_info = NULL;
}
if (tx_info)
- RTE_LOG(ERR, PMD, "tx_info doesn't have valid mbuf\n");
+ PMD_TX_LOG(ERR, "tx_info doesn't have valid mbuf\n");
else
- RTE_LOG(ERR, PMD, "Invalid req_id: %hu\n", req_id);
+ PMD_TX_LOG(ERR, "Invalid req_id: %hu\n", req_id);
/* Trigger device reset */
+ ++tx_ring->tx_stats.bad_req_id;
tx_ring->adapter->reset_reason = ENA_REGS_RESET_INV_TX_REQ_ID;
tx_ring->adapter->trigger_reset = true;
return -EFAULT;
/* Allocate only the host info */
rc = ena_com_allocate_host_info(ena_dev);
if (rc) {
- RTE_LOG(ERR, PMD, "Cannot allocate host info\n");
+ PMD_DRV_LOG(ERR, "Cannot allocate host info\n");
return;
}
host_info->os_type = ENA_ADMIN_OS_DPDK;
host_info->kernel_ver = RTE_VERSION;
- snprintf((char *)host_info->kernel_ver_str,
- sizeof(host_info->kernel_ver_str),
- "%s", rte_version());
+ strlcpy((char *)host_info->kernel_ver_str, rte_version(),
+ sizeof(host_info->kernel_ver_str));
host_info->os_dist = RTE_VERSION;
- snprintf((char *)host_info->os_dist_str,
- sizeof(host_info->os_dist_str),
- "%s", rte_version());
+ strlcpy((char *)host_info->os_dist_str, rte_version(),
+ sizeof(host_info->os_dist_str));
host_info->driver_version =
(DRV_MODULE_VER_MAJOR) |
(DRV_MODULE_VER_MINOR << ENA_ADMIN_HOST_INFO_MINOR_SHIFT) |
ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT);
host_info->num_cpus = rte_lcore_count();
+ host_info->driver_supported_features =
+ ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK;
+
rc = ena_com_set_host_attributes(ena_dev);
if (rc) {
if (rc == -ENA_COM_UNSUPPORTED)
- RTE_LOG(WARNING, PMD, "Cannot set host attributes\n");
+ PMD_DRV_LOG(WARNING, "Cannot set host attributes\n");
else
- RTE_LOG(ERR, PMD, "Cannot set host attributes\n");
+ PMD_DRV_LOG(ERR, "Cannot set host attributes\n");
goto err;
}
ena_com_delete_host_info(ena_dev);
}
-static int
-ena_get_sset_count(struct rte_eth_dev *dev, int sset)
+/* This function calculates the number of xstats based on the current config */
+static unsigned int ena_xstats_calc_num(struct rte_eth_dev_data *data)
{
- if (sset != ETH_SS_STATS)
- return -EOPNOTSUPP;
-
- /* Workaround for clang:
- * touch internal structures to prevent
- * compiler error
- */
- ENA_TOUCH(ena_stats_global_strings);
- ENA_TOUCH(ena_stats_tx_strings);
- ENA_TOUCH(ena_stats_rx_strings);
- ENA_TOUCH(ena_stats_ena_com_strings);
-
- return dev->data->nb_tx_queues *
- (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX) +
- ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
+ return ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENI +
+ (data->nb_tx_queues * ENA_STATS_ARRAY_TX) +
+ (data->nb_rx_queues * ENA_STATS_ARRAY_RX);
}
static void ena_config_debug_area(struct ena_adapter *adapter)
u32 debug_area_size;
int rc, ss_count;
- ss_count = ena_get_sset_count(adapter->rte_dev, ETH_SS_STATS);
- if (ss_count <= 0) {
- RTE_LOG(ERR, PMD, "SS count is negative\n");
- return;
- }
+ ss_count = ena_xstats_calc_num(adapter->edev_data);
/* allocate 32 bytes for each string and 64bit for the value */
debug_area_size = ss_count * ETH_GSTRING_LEN + sizeof(u64) * ss_count;
rc = ena_com_allocate_debug_area(&adapter->ena_dev, debug_area_size);
if (rc) {
- RTE_LOG(ERR, PMD, "Cannot allocate debug area\n");
+ PMD_DRV_LOG(ERR, "Cannot allocate debug area\n");
return;
}
rc = ena_com_set_host_attributes(&adapter->ena_dev);
if (rc) {
if (rc == -ENA_COM_UNSUPPORTED)
- RTE_LOG(WARNING, PMD, "Cannot set host attributes\n");
+ PMD_DRV_LOG(WARNING, "Cannot set host attributes\n");
else
- RTE_LOG(ERR, PMD, "Cannot set host attributes\n");
+ PMD_DRV_LOG(ERR, "Cannot set host attributes\n");
goto err;
}
ena_com_delete_debug_area(&adapter->ena_dev);
}
-static void ena_close(struct rte_eth_dev *dev)
+static int ena_close(struct rte_eth_dev *dev)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
+ int ret = 0;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
if (adapter->state == ENA_ADAPTER_STATE_RUNNING)
- ena_stop(dev);
+ ret = ena_stop(dev);
adapter->state = ENA_ADAPTER_STATE_CLOSED;
ena_rx_queue_release_all(dev);
rte_intr_disable(intr_handle);
rte_intr_callback_unregister(intr_handle,
ena_interrupt_handler_rte,
- adapter);
+ dev);
/*
* MAC is not allocated dynamically. Setting NULL should prevent from
* release of the resource in the rte_eth_dev_release_port().
*/
dev->data->mac_addrs = NULL;
+
+ return ret;
}
static int
ena_dev_reset(struct rte_eth_dev *dev)
{
- struct rte_mempool *mb_pool_rx[ENA_MAX_NUM_QUEUES];
- struct rte_eth_dev *eth_dev;
- struct rte_pci_device *pci_dev;
- struct rte_intr_handle *intr_handle;
- struct ena_com_dev *ena_dev;
- struct ena_com_dev_get_features_ctx get_feat_ctx;
- struct ena_adapter *adapter;
- int nb_queues;
- int rc, i;
- bool wd_state;
-
- adapter = (struct ena_adapter *)(dev->data->dev_private);
- ena_dev = &adapter->ena_dev;
- eth_dev = adapter->rte_dev;
- pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
- intr_handle = &pci_dev->intr_handle;
- nb_queues = eth_dev->data->nb_rx_queues;
+ int rc = 0;
- ena_com_set_admin_running_state(ena_dev, false);
+ /* Cannot release memory in secondary process */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ PMD_DRV_LOG(WARNING, "dev_reset not supported in secondary.\n");
+ return -EPERM;
+ }
- rc = ena_com_dev_reset(ena_dev, adapter->reset_reason);
+ ena_destroy_device(dev);
+ rc = eth_ena_dev_init(dev);
if (rc)
- RTE_LOG(ERR, PMD, "Device reset failed\n");
-
- for (i = 0; i < nb_queues; i++)
- mb_pool_rx[i] = adapter->rx_ring[i].mb_pool;
-
- ena_rx_queue_release_all(eth_dev);
- ena_tx_queue_release_all(eth_dev);
-
- rte_intr_disable(intr_handle);
-
- ena_com_abort_admin_commands(ena_dev);
- ena_com_wait_for_abort_completion(ena_dev);
- ena_com_admin_destroy(ena_dev);
- ena_com_mmio_reg_read_request_destroy(ena_dev);
-
- rc = ena_device_init(ena_dev, &get_feat_ctx, &wd_state);
- if (rc) {
PMD_INIT_LOG(CRIT, "Cannot initialize device\n");
- return rc;
- }
- adapter->wd_state = wd_state;
-
- rte_intr_enable(intr_handle);
- ena_com_set_admin_polling_mode(ena_dev, false);
- ena_com_admin_aenq_enable(ena_dev);
-
- for (i = 0; i < nb_queues; ++i)
- ena_rx_queue_setup(eth_dev, i, adapter->rx_ring_size, 0, NULL,
- mb_pool_rx[i]);
-
- for (i = 0; i < nb_queues; ++i)
- ena_tx_queue_setup(eth_dev, i, adapter->tx_ring_size, 0, NULL);
-
- adapter->trigger_reset = false;
- return 0;
+ return rc;
}
static int ena_rss_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
int rc, i;
u16 entry_value;
return -EINVAL;
if (reta_size > ENA_RX_RSS_TABLE_SIZE) {
- RTE_LOG(WARNING, PMD,
- "indirection table %d is bigger than supported (%d)\n",
+ PMD_DRV_LOG(WARNING,
+ "Requested indirection table size (%d) is bigger than supported: %d\n",
reta_size, ENA_RX_RSS_TABLE_SIZE);
return -EINVAL;
}
i,
entry_value);
if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- RTE_LOG(ERR, PMD,
+ PMD_DRV_LOG(ERR,
"Cannot fill indirect table\n");
return rc;
}
}
}
+ rte_spinlock_lock(&adapter->admin_lock);
rc = ena_com_indirect_table_set(ena_dev);
+ rte_spinlock_unlock(&adapter->admin_lock);
if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- RTE_LOG(ERR, PMD, "Cannot flush the indirect table\n");
+ PMD_DRV_LOG(ERR, "Cannot flush the indirect table\n");
return rc;
}
- RTE_LOG(DEBUG, PMD, "%s(): RSS configured %d entries for port %d\n",
- __func__, reta_size, adapter->rte_dev->data->port_id);
+ PMD_DRV_LOG(DEBUG, "RSS configured %d entries for port %d\n",
+ reta_size, dev->data->port_id);
return 0;
}
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
int rc;
int i;
(reta_size > RTE_RETA_GROUP_SIZE && ((reta_conf + 1) == NULL)))
return -EINVAL;
+ rte_spinlock_lock(&adapter->admin_lock);
rc = ena_com_indirect_table_get(ena_dev, indirect_table);
+ rte_spinlock_unlock(&adapter->admin_lock);
if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- RTE_LOG(ERR, PMD, "cannot get indirect table\n");
+ PMD_DRV_LOG(ERR, "Cannot get indirection table\n");
return -ENOTSUP;
}
static int ena_rss_init_default(struct ena_adapter *adapter)
{
struct ena_com_dev *ena_dev = &adapter->ena_dev;
- uint16_t nb_rx_queues = adapter->rte_dev->data->nb_rx_queues;
+ uint16_t nb_rx_queues = adapter->edev_data->nb_rx_queues;
int rc, i;
u32 val;
rc = ena_com_rss_init(ena_dev, ENA_RX_RSS_TABLE_LOG_SIZE);
if (unlikely(rc)) {
- RTE_LOG(ERR, PMD, "Cannot init indirect table\n");
+ PMD_DRV_LOG(ERR, "Cannot init indirection table\n");
goto err_rss_init;
}
rc = ena_com_indirect_table_fill_entry(ena_dev, i,
ENA_IO_RXQ_IDX(val));
if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- RTE_LOG(ERR, PMD, "Cannot fill indirect table\n");
+ PMD_DRV_LOG(ERR, "Cannot fill indirection table\n");
goto err_fill_indir;
}
}
rc = ena_com_fill_hash_function(ena_dev, ENA_ADMIN_CRC32, NULL,
ENA_HASH_KEY_SIZE, 0xFFFFFFFF);
if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- RTE_LOG(INFO, PMD, "Cannot fill hash function\n");
+ PMD_DRV_LOG(INFO, "Cannot fill hash function\n");
goto err_fill_indir;
}
rc = ena_com_set_default_hash_ctrl(ena_dev);
if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- RTE_LOG(INFO, PMD, "Cannot fill hash control\n");
+ PMD_DRV_LOG(INFO, "Cannot fill hash control\n");
goto err_fill_indir;
}
rc = ena_com_indirect_table_set(ena_dev);
if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- RTE_LOG(ERR, PMD, "Cannot flush the indirect table\n");
+ PMD_DRV_LOG(ERR, "Cannot flush indirection table\n");
goto err_fill_indir;
}
- RTE_LOG(DEBUG, PMD, "RSS configured for port %d\n",
- adapter->rte_dev->data->port_id);
+ PMD_DRV_LOG(DEBUG, "RSS configured for port %d\n",
+ adapter->edev_data->port_id);
return 0;
{
struct ena_ring *ring = (struct ena_ring *)queue;
- ena_assert_msg(ring->configured,
- "API violation - releasing not configured queue");
- ena_assert_msg(ring->adapter->state != ENA_ADAPTER_STATE_RUNNING,
- "API violation");
-
/* Free ring resources */
if (ring->rx_buffer_info)
rte_free(ring->rx_buffer_info);
ring->configured = 0;
- RTE_LOG(NOTICE, PMD, "RX Queue %d:%d released\n",
+ PMD_DRV_LOG(NOTICE, "Rx queue %d:%d released\n",
ring->port_id, ring->id);
}
{
struct ena_ring *ring = (struct ena_ring *)queue;
- ena_assert_msg(ring->configured,
- "API violation. Releasing not configured queue");
- ena_assert_msg(ring->adapter->state != ENA_ADAPTER_STATE_RUNNING,
- "API violation");
-
- /* Free all bufs */
- ena_tx_queue_release_bufs(ring);
-
/* Free ring resources */
+ if (ring->push_buf_intermediate_buf)
+ rte_free(ring->push_buf_intermediate_buf);
+
if (ring->tx_buffer_info)
rte_free(ring->tx_buffer_info);
ring->empty_tx_reqs = NULL;
ring->tx_buffer_info = NULL;
+ ring->push_buf_intermediate_buf = NULL;
ring->configured = 0;
- RTE_LOG(NOTICE, PMD, "TX Queue %d:%d released\n",
+ PMD_DRV_LOG(NOTICE, "Tx queue %d:%d released\n",
ring->port_id, ring->id);
}
static void ena_rx_queue_release_bufs(struct ena_ring *ring)
{
- unsigned int ring_mask = ring->ring_size - 1;
-
- while (ring->next_to_clean != ring->next_to_use) {
- struct rte_mbuf *m =
- ring->rx_buffer_info[ring->next_to_clean & ring_mask];
-
- if (m)
- rte_mbuf_raw_free(m);
+ unsigned int i;
- ring->next_to_clean++;
+ for (i = 0; i < ring->ring_size; ++i) {
+ struct ena_rx_buffer *rx_info = &ring->rx_buffer_info[i];
+ if (rx_info->mbuf) {
+ rte_mbuf_raw_free(rx_info->mbuf);
+ rx_info->mbuf = NULL;
+ }
}
}
for (i = 0; i < ring->ring_size; ++i) {
struct ena_tx_buffer *tx_buf = &ring->tx_buffer_info[i];
- if (tx_buf->mbuf)
+ if (tx_buf->mbuf) {
rte_pktmbuf_free(tx_buf->mbuf);
-
- ring->next_to_clean++;
+ tx_buf->mbuf = NULL;
+ }
}
}
__rte_unused int wait_to_complete)
{
struct rte_eth_link *link = &dev->data->dev_link;
- struct ena_adapter *adapter;
-
- adapter = (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
link->link_status = adapter->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
link->link_speed = ETH_SPEED_NUM_NONE;
return 0;
}
-static int ena_queue_restart_all(struct rte_eth_dev *dev,
- enum ena_ring_type ring_type)
+static int ena_queue_start_all(struct rte_eth_dev *dev,
+ enum ena_ring_type ring_type)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_ring *queues = NULL;
int nb_queues;
int i = 0;
if (ring_type == ENA_RING_TYPE_RX) {
ena_assert_msg(
dev->data->rx_queues[i] == &queues[i],
- "Inconsistent state of rx queues\n");
+ "Inconsistent state of Rx queues\n");
} else {
ena_assert_msg(
dev->data->tx_queues[i] == &queues[i],
- "Inconsistent state of tx queues\n");
+ "Inconsistent state of Tx queues\n");
}
- rc = ena_queue_restart(&queues[i]);
+ rc = ena_queue_start(&queues[i]);
if (rc) {
PMD_INIT_LOG(ERR,
- "failed to restart queue %d type(%d)",
- i, ring_type);
- return rc;
+ "Failed to start queue[%d] of type(%d)\n",
+ i, ring_type);
+ goto err;
}
}
}
return 0;
+
+err:
+ while (i--)
+ if (queues[i].configured)
+ ena_queue_stop(&queues[i]);
+
+ return rc;
}
static uint32_t ena_get_mtu_conf(struct ena_adapter *adapter)
{
uint32_t max_frame_len = adapter->max_mtu;
- if (adapter->rte_eth_dev_data->dev_conf.rxmode.offloads &
+ if (adapter->edev_data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_JUMBO_FRAME)
max_frame_len =
- adapter->rte_eth_dev_data->dev_conf.rxmode.max_rx_pkt_len;
+ adapter->edev_data->dev_conf.rxmode.max_rx_pkt_len;
return max_frame_len;
}
uint32_t max_frame_len = ena_get_mtu_conf(adapter);
if (max_frame_len > adapter->max_mtu || max_frame_len < ENA_MIN_MTU) {
- PMD_INIT_LOG(ERR, "Unsupported MTU of %d. "
- "max mtu: %d, min mtu: %d\n",
- max_frame_len, adapter->max_mtu, ENA_MIN_MTU);
+ PMD_INIT_LOG(ERR,
+ "Unsupported MTU of %d. Max MTU: %d, min MTU: %d\n",
+ max_frame_len, adapter->max_mtu, ENA_MIN_MTU);
return ENA_COM_UNSUPPORTED;
}
}
static int
-ena_calc_queue_size(struct ena_com_dev *ena_dev,
- u16 *max_tx_sgl_size,
- struct ena_com_dev_get_features_ctx *get_feat_ctx)
+ena_calc_io_queue_size(struct ena_calc_queue_size_ctx *ctx,
+ bool use_large_llq_hdr)
{
- uint32_t queue_size = ENA_DEFAULT_RING_SIZE;
-
- queue_size = RTE_MIN(queue_size,
- get_feat_ctx->max_queues.max_cq_depth);
- queue_size = RTE_MIN(queue_size,
- get_feat_ctx->max_queues.max_sq_depth);
+ struct ena_admin_feature_llq_desc *llq = &ctx->get_feat_ctx->llq;
+ struct ena_com_dev *ena_dev = ctx->ena_dev;
+ uint32_t max_tx_queue_size;
+ uint32_t max_rx_queue_size;
+
+ if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
+ struct ena_admin_queue_ext_feature_fields *max_queue_ext =
+ &ctx->get_feat_ctx->max_queue_ext.max_queue_ext;
+ max_rx_queue_size = RTE_MIN(max_queue_ext->max_rx_cq_depth,
+ max_queue_ext->max_rx_sq_depth);
+ max_tx_queue_size = max_queue_ext->max_tx_cq_depth;
+
+ if (ena_dev->tx_mem_queue_type ==
+ ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
+ llq->max_llq_depth);
+ } else {
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
+ max_queue_ext->max_tx_sq_depth);
+ }
- if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
- queue_size = RTE_MIN(queue_size,
- get_feat_ctx->max_queues.max_legacy_llq_depth);
+ ctx->max_rx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
+ max_queue_ext->max_per_packet_rx_descs);
+ ctx->max_tx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
+ max_queue_ext->max_per_packet_tx_descs);
+ } else {
+ struct ena_admin_queue_feature_desc *max_queues =
+ &ctx->get_feat_ctx->max_queues;
+ max_rx_queue_size = RTE_MIN(max_queues->max_cq_depth,
+ max_queues->max_sq_depth);
+ max_tx_queue_size = max_queues->max_cq_depth;
+
+ if (ena_dev->tx_mem_queue_type ==
+ ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
+ llq->max_llq_depth);
+ } else {
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
+ max_queues->max_sq_depth);
+ }
- /* Round down to power of 2 */
- if (!rte_is_power_of_2(queue_size))
- queue_size = rte_align32pow2(queue_size >> 1);
+ ctx->max_rx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
+ max_queues->max_packet_rx_descs);
+ ctx->max_tx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
+ max_queues->max_packet_tx_descs);
+ }
+
+ /* Round down to the nearest power of 2 */
+ max_rx_queue_size = rte_align32prevpow2(max_rx_queue_size);
+ max_tx_queue_size = rte_align32prevpow2(max_tx_queue_size);
+
+ if (use_large_llq_hdr) {
+ if ((llq->entry_size_ctrl_supported &
+ ENA_ADMIN_LIST_ENTRY_SIZE_256B) &&
+ (ena_dev->tx_mem_queue_type ==
+ ENA_ADMIN_PLACEMENT_POLICY_DEV)) {
+ max_tx_queue_size /= 2;
+ PMD_INIT_LOG(INFO,
+ "Forcing large headers and decreasing maximum Tx queue size to %d\n",
+ max_tx_queue_size);
+ } else {
+ PMD_INIT_LOG(ERR,
+ "Forcing large headers failed: LLQ is disabled or device does not support large headers\n");
+ }
+ }
- if (unlikely(queue_size == 0)) {
- PMD_INIT_LOG(ERR, "Invalid queue size");
+ if (unlikely(max_rx_queue_size == 0 || max_tx_queue_size == 0)) {
+ PMD_INIT_LOG(ERR, "Invalid queue size\n");
return -EFAULT;
}
- *max_tx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
- get_feat_ctx->max_queues.max_packet_tx_descs);
+ ctx->max_tx_queue_size = max_tx_queue_size;
+ ctx->max_rx_queue_size = max_rx_queue_size;
- return queue_size;
+ return 0;
}
static void ena_stats_restart(struct rte_eth_dev *dev)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
rte_atomic64_init(&adapter->drv_stats->ierrors);
rte_atomic64_init(&adapter->drv_stats->oerrors);
rte_atomic64_init(&adapter->drv_stats->rx_nombuf);
+ adapter->drv_stats->rx_drops = 0;
}
static int ena_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats)
{
struct ena_admin_basic_stats ena_stats;
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
int rc;
+ int i;
+ int max_rings_stats;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return -ENOTSUP;
memset(&ena_stats, 0, sizeof(ena_stats));
+
+ rte_spinlock_lock(&adapter->admin_lock);
rc = ena_com_get_dev_basic_stats(ena_dev, &ena_stats);
+ rte_spinlock_unlock(&adapter->admin_lock);
if (unlikely(rc)) {
- RTE_LOG(ERR, PMD, "Could not retrieve statistics from ENA");
+ PMD_DRV_LOG(ERR, "Could not retrieve statistics from ENA\n");
return rc;
}
ena_stats.rx_bytes_low);
stats->obytes = __MERGE_64B_H_L(ena_stats.tx_bytes_high,
ena_stats.tx_bytes_low);
- stats->imissed = __MERGE_64B_H_L(ena_stats.rx_drops_high,
- ena_stats.rx_drops_low);
/* Driver related stats */
+ stats->imissed = adapter->drv_stats->rx_drops;
stats->ierrors = rte_atomic64_read(&adapter->drv_stats->ierrors);
stats->oerrors = rte_atomic64_read(&adapter->drv_stats->oerrors);
stats->rx_nombuf = rte_atomic64_read(&adapter->drv_stats->rx_nombuf);
+
+ max_rings_stats = RTE_MIN(dev->data->nb_rx_queues,
+ RTE_ETHDEV_QUEUE_STAT_CNTRS);
+ for (i = 0; i < max_rings_stats; ++i) {
+ struct ena_stats_rx *rx_stats = &adapter->rx_ring[i].rx_stats;
+
+ stats->q_ibytes[i] = rx_stats->bytes;
+ stats->q_ipackets[i] = rx_stats->cnt;
+ stats->q_errors[i] = rx_stats->bad_desc_num +
+ rx_stats->bad_req_id;
+ }
+
+ max_rings_stats = RTE_MIN(dev->data->nb_tx_queues,
+ RTE_ETHDEV_QUEUE_STAT_CNTRS);
+ for (i = 0; i < max_rings_stats; ++i) {
+ struct ena_stats_tx *tx_stats = &adapter->tx_ring[i].tx_stats;
+
+ stats->q_obytes[i] = tx_stats->bytes;
+ stats->q_opackets[i] = tx_stats->cnt;
+ }
+
return 0;
}
struct ena_com_dev *ena_dev;
int rc = 0;
- ena_assert_msg(dev->data != NULL, "Uninitialized device");
- ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device");
- adapter = (struct ena_adapter *)(dev->data->dev_private);
+ ena_assert_msg(dev->data != NULL, "Uninitialized device\n");
+ ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device\n");
+ adapter = dev->data->dev_private;
ena_dev = &adapter->ena_dev;
- ena_assert_msg(ena_dev != NULL, "Uninitialized device");
+ ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
if (mtu > ena_get_mtu_conf(adapter) || mtu < ENA_MIN_MTU) {
- RTE_LOG(ERR, PMD,
- "Invalid MTU setting. new_mtu: %d "
- "max mtu: %d min mtu: %d\n",
+ PMD_DRV_LOG(ERR,
+ "Invalid MTU setting. New MTU: %d, max MTU: %d, min MTU: %d\n",
mtu, ena_get_mtu_conf(adapter), ENA_MIN_MTU);
return -EINVAL;
}
rc = ena_com_set_dev_mtu(ena_dev, mtu);
if (rc)
- RTE_LOG(ERR, PMD, "Could not set MTU: %d\n", mtu);
+ PMD_DRV_LOG(ERR, "Could not set MTU: %d\n", mtu);
else
- RTE_LOG(NOTICE, PMD, "Set MTU: %d\n", mtu);
+ PMD_DRV_LOG(NOTICE, "MTU set to: %d\n", mtu);
return rc;
}
static int ena_start(struct rte_eth_dev *dev)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
uint64_t ticks;
int rc = 0;
+ /* Cannot allocate memory in secondary process */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ PMD_DRV_LOG(WARNING, "dev_start not supported in secondary.\n");
+ return -EPERM;
+ }
+
rc = ena_check_valid_conf(adapter);
if (rc)
return rc;
- rc = ena_queue_restart_all(dev, ENA_RING_TYPE_RX);
+ rc = ena_queue_start_all(dev, ENA_RING_TYPE_RX);
if (rc)
return rc;
- rc = ena_queue_restart_all(dev, ENA_RING_TYPE_TX);
+ rc = ena_queue_start_all(dev, ENA_RING_TYPE_TX);
if (rc)
- return rc;
+ goto err_start_tx;
- if (adapter->rte_dev->data->dev_conf.rxmode.mq_mode &
- ETH_MQ_RX_RSS_FLAG && adapter->rte_dev->data->nb_rx_queues > 0) {
+ if (adapter->edev_data->dev_conf.rxmode.mq_mode &
+ ETH_MQ_RX_RSS_FLAG && adapter->edev_data->nb_rx_queues > 0) {
rc = ena_rss_init_default(adapter);
if (rc)
- return rc;
+ goto err_rss_init;
}
ena_stats_restart(dev);
ticks = rte_get_timer_hz();
rte_timer_reset(&adapter->timer_wd, ticks, PERIODICAL, rte_lcore_id(),
- ena_timer_wd_callback, adapter);
+ ena_timer_wd_callback, dev);
+ ++adapter->dev_stats.dev_start;
adapter->state = ENA_ADAPTER_STATE_RUNNING;
return 0;
+
+err_rss_init:
+ ena_queue_stop_all(dev, ENA_RING_TYPE_TX);
+err_start_tx:
+ ena_queue_stop_all(dev, ENA_RING_TYPE_RX);
+ return rc;
}
-static void ena_stop(struct rte_eth_dev *dev)
+static int ena_stop(struct rte_eth_dev *dev)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
+ struct ena_com_dev *ena_dev = &adapter->ena_dev;
+ int rc;
+
+ /* Cannot free memory in secondary process */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ PMD_DRV_LOG(WARNING, "dev_stop not supported in secondary.\n");
+ return -EPERM;
+ }
rte_timer_stop_sync(&adapter->timer_wd);
- ena_free_io_queues_all(adapter);
+ ena_queue_stop_all(dev, ENA_RING_TYPE_TX);
+ ena_queue_stop_all(dev, ENA_RING_TYPE_RX);
+ if (adapter->trigger_reset) {
+ rc = ena_com_dev_reset(ena_dev, adapter->reset_reason);
+ if (rc)
+ PMD_DRV_LOG(ERR, "Device reset failed, rc: %d\n", rc);
+ }
+
+ ++adapter->dev_stats.dev_stop;
adapter->state = ENA_ADAPTER_STATE_STOPPED;
+ dev->data->dev_started = 0;
+
+ return 0;
}
static int ena_create_io_queue(struct ena_ring *ring)
ena_qid = ENA_IO_TXQ_IDX(ring->id);
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_TX;
ctx.mem_queue_type = ena_dev->tx_mem_queue_type;
- ctx.queue_size = adapter->tx_ring_size;
for (i = 0; i < ring->ring_size; i++)
ring->empty_tx_reqs[i] = i;
} else {
ena_qid = ENA_IO_RXQ_IDX(ring->id);
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_RX;
- ctx.queue_size = adapter->rx_ring_size;
for (i = 0; i < ring->ring_size; i++)
ring->empty_rx_reqs[i] = i;
}
+ ctx.queue_size = ring->ring_size;
ctx.qid = ena_qid;
ctx.msix_vector = -1; /* interrupts not used */
- ctx.numa_node = ena_cpu_to_node(ring->id);
+ ctx.numa_node = ring->numa_socket_id;
rc = ena_com_create_io_queue(ena_dev, &ctx);
if (rc) {
- RTE_LOG(ERR, PMD,
- "failed to create io queue #%d (qid:%d) rc: %d\n",
+ PMD_DRV_LOG(ERR,
+ "Failed to create IO queue[%d] (qid:%d), rc: %d\n",
ring->id, ena_qid, rc);
return rc;
}
&ring->ena_com_io_sq,
&ring->ena_com_io_cq);
if (rc) {
- RTE_LOG(ERR, PMD,
- "Failed to get io queue handlers. queue num %d rc: %d\n",
+ PMD_DRV_LOG(ERR,
+ "Failed to get IO queue[%d] handlers, rc: %d\n",
ring->id, rc);
ena_com_destroy_io_queue(ena_dev, ena_qid);
return rc;
return 0;
}
-static void ena_free_io_queues_all(struct ena_adapter *adapter)
+static void ena_queue_stop(struct ena_ring *ring)
{
- struct rte_eth_dev *eth_dev = adapter->rte_dev;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int i;
- uint16_t ena_qid;
- uint16_t nb_rxq = eth_dev->data->nb_rx_queues;
- uint16_t nb_txq = eth_dev->data->nb_tx_queues;
+ struct ena_com_dev *ena_dev = &ring->adapter->ena_dev;
- for (i = 0; i < nb_txq; ++i) {
- ena_qid = ENA_IO_TXQ_IDX(i);
- ena_com_destroy_io_queue(ena_dev, ena_qid);
-
- ena_tx_queue_release_bufs(&adapter->tx_ring[i]);
+ if (ring->type == ENA_RING_TYPE_RX) {
+ ena_com_destroy_io_queue(ena_dev, ENA_IO_RXQ_IDX(ring->id));
+ ena_rx_queue_release_bufs(ring);
+ } else {
+ ena_com_destroy_io_queue(ena_dev, ENA_IO_TXQ_IDX(ring->id));
+ ena_tx_queue_release_bufs(ring);
}
+}
- for (i = 0; i < nb_rxq; ++i) {
- ena_qid = ENA_IO_RXQ_IDX(i);
- ena_com_destroy_io_queue(ena_dev, ena_qid);
+static void ena_queue_stop_all(struct rte_eth_dev *dev,
+ enum ena_ring_type ring_type)
+{
+ struct ena_adapter *adapter = dev->data->dev_private;
+ struct ena_ring *queues = NULL;
+ uint16_t nb_queues, i;
- ena_rx_queue_release_bufs(&adapter->rx_ring[i]);
+ if (ring_type == ENA_RING_TYPE_RX) {
+ queues = adapter->rx_ring;
+ nb_queues = dev->data->nb_rx_queues;
+ } else {
+ queues = adapter->tx_ring;
+ nb_queues = dev->data->nb_tx_queues;
}
+
+ for (i = 0; i < nb_queues; ++i)
+ if (queues[i].configured)
+ ena_queue_stop(&queues[i]);
}
-static int ena_queue_restart(struct ena_ring *ring)
+static int ena_queue_start(struct ena_ring *ring)
{
int rc, bufs_num;
ena_assert_msg(ring->configured == 1,
- "Trying to restart unconfigured queue\n");
+ "Trying to start unconfigured queue\n");
rc = ena_create_io_queue(ring);
if (rc) {
- PMD_INIT_LOG(ERR, "Failed to create IO queue!\n");
+ PMD_INIT_LOG(ERR, "Failed to create IO queue\n");
return rc;
}
ring->next_to_clean = 0;
ring->next_to_use = 0;
- if (ring->type == ENA_RING_TYPE_TX)
+ if (ring->type == ENA_RING_TYPE_TX) {
+ ring->tx_stats.available_desc =
+ ena_com_free_q_entries(ring->ena_com_io_sq);
return 0;
+ }
bufs_num = ring->ring_size - 1;
rc = ena_populate_rx_queue(ring, bufs_num);
if (rc != bufs_num) {
- PMD_INIT_LOG(ERR, "Failed to populate rx ring !");
+ ena_com_destroy_io_queue(&ring->adapter->ena_dev,
+ ENA_IO_RXQ_IDX(ring->id));
+ PMD_INIT_LOG(ERR, "Failed to populate Rx ring\n");
return ENA_COM_FAULT;
}
+ /* Flush per-core RX buffers pools cache as they can be used on other
+ * cores as well.
+ */
+ rte_mempool_cache_flush(NULL, ring->mb_pool);
return 0;
}
static int ena_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
- __rte_unused unsigned int socket_id,
+ unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
struct ena_ring *txq = NULL;
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
unsigned int i;
txq = &adapter->tx_ring[queue_idx];
if (txq->configured) {
- RTE_LOG(CRIT, PMD,
- "API violation. Queue %d is already configured\n",
+ PMD_DRV_LOG(CRIT,
+ "API violation. Queue[%d] is already configured\n",
queue_idx);
return ENA_COM_FAULT;
}
if (!rte_is_power_of_2(nb_desc)) {
- RTE_LOG(ERR, PMD,
- "Unsupported size of TX queue: %d is not a power of 2.",
+ PMD_DRV_LOG(ERR,
+ "Unsupported size of Tx queue: %d is not a power of 2.\n",
nb_desc);
return -EINVAL;
}
- if (nb_desc > adapter->tx_ring_size) {
- RTE_LOG(ERR, PMD,
- "Unsupported size of TX queue (max size: %d)\n",
- adapter->tx_ring_size);
+ if (nb_desc > adapter->max_tx_ring_size) {
+ PMD_DRV_LOG(ERR,
+ "Unsupported size of Tx queue (max size: %d)\n",
+ adapter->max_tx_ring_size);
return -EINVAL;
}
txq->next_to_clean = 0;
txq->next_to_use = 0;
txq->ring_size = nb_desc;
+ txq->size_mask = nb_desc - 1;
+ txq->numa_socket_id = socket_id;
+ txq->pkts_without_db = false;
txq->tx_buffer_info = rte_zmalloc("txq->tx_buffer_info",
sizeof(struct ena_tx_buffer) *
txq->ring_size,
RTE_CACHE_LINE_SIZE);
if (!txq->tx_buffer_info) {
- RTE_LOG(ERR, PMD, "failed to alloc mem for tx buffer info\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for Tx buffer info\n");
return -ENOMEM;
}
sizeof(u16) * txq->ring_size,
RTE_CACHE_LINE_SIZE);
if (!txq->empty_tx_reqs) {
- RTE_LOG(ERR, PMD, "failed to alloc mem for tx reqs\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for empty Tx requests\n");
+ rte_free(txq->tx_buffer_info);
+ return -ENOMEM;
+ }
+
+ txq->push_buf_intermediate_buf =
+ rte_zmalloc("txq->push_buf_intermediate_buf",
+ txq->tx_max_header_size,
+ RTE_CACHE_LINE_SIZE);
+ if (!txq->push_buf_intermediate_buf) {
+ PMD_DRV_LOG(ERR, "Failed to alloc push buffer for LLQ\n");
rte_free(txq->tx_buffer_info);
+ rte_free(txq->empty_tx_reqs);
return -ENOMEM;
}
txq->offloads =
tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
}
-
/* Store pointer to this queue in upper layer */
txq->configured = 1;
dev->data->tx_queues[queue_idx] = txq;
static int ena_rx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
- __rte_unused unsigned int socket_id,
+ unsigned int socket_id,
__rte_unused const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_ring *rxq = NULL;
+ size_t buffer_size;
int i;
rxq = &adapter->rx_ring[queue_idx];
if (rxq->configured) {
- RTE_LOG(CRIT, PMD,
- "API violation. Queue %d is already configured\n",
+ PMD_DRV_LOG(CRIT,
+ "API violation. Queue[%d] is already configured\n",
queue_idx);
return ENA_COM_FAULT;
}
if (!rte_is_power_of_2(nb_desc)) {
- RTE_LOG(ERR, PMD,
- "Unsupported size of RX queue: %d is not a power of 2.",
+ PMD_DRV_LOG(ERR,
+ "Unsupported size of Rx queue: %d is not a power of 2.\n",
nb_desc);
return -EINVAL;
}
- if (nb_desc > adapter->rx_ring_size) {
- RTE_LOG(ERR, PMD,
- "Unsupported size of RX queue (max size: %d)\n",
- adapter->rx_ring_size);
+ if (nb_desc > adapter->max_rx_ring_size) {
+ PMD_DRV_LOG(ERR,
+ "Unsupported size of Rx queue (max size: %d)\n",
+ adapter->max_rx_ring_size);
+ return -EINVAL;
+ }
+
+ /* ENA isn't supporting buffers smaller than 1400 bytes */
+ buffer_size = rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
+ if (buffer_size < ENA_RX_BUF_MIN_SIZE) {
+ PMD_DRV_LOG(ERR,
+ "Unsupported size of Rx buffer: %zu (min size: %d)\n",
+ buffer_size, ENA_RX_BUF_MIN_SIZE);
return -EINVAL;
}
rxq->next_to_clean = 0;
rxq->next_to_use = 0;
rxq->ring_size = nb_desc;
+ rxq->size_mask = nb_desc - 1;
+ rxq->numa_socket_id = socket_id;
rxq->mb_pool = mp;
rxq->rx_buffer_info = rte_zmalloc("rxq->buffer_info",
- sizeof(struct rte_mbuf *) * nb_desc,
- RTE_CACHE_LINE_SIZE);
+ sizeof(struct ena_rx_buffer) * nb_desc,
+ RTE_CACHE_LINE_SIZE);
if (!rxq->rx_buffer_info) {
- RTE_LOG(ERR, PMD, "failed to alloc mem for rx buffer info\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for Rx buffer info\n");
return -ENOMEM;
}
RTE_CACHE_LINE_SIZE);
if (!rxq->rx_refill_buffer) {
- RTE_LOG(ERR, PMD, "failed to alloc mem for rx refill buffer\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for Rx refill buffer\n");
rte_free(rxq->rx_buffer_info);
rxq->rx_buffer_info = NULL;
return -ENOMEM;
sizeof(uint16_t) * nb_desc,
RTE_CACHE_LINE_SIZE);
if (!rxq->empty_rx_reqs) {
- RTE_LOG(ERR, PMD, "failed to alloc mem for empty rx reqs\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for empty Rx requests\n");
rte_free(rxq->rx_buffer_info);
rxq->rx_buffer_info = NULL;
rte_free(rxq->rx_refill_buffer);
}
for (i = 0; i < nb_desc; i++)
- rxq->empty_tx_reqs[i] = i;
+ rxq->empty_rx_reqs[i] = i;
/* Store pointer to this queue in upper layer */
rxq->configured = 1;
return 0;
}
+static int ena_add_single_rx_desc(struct ena_com_io_sq *io_sq,
+ struct rte_mbuf *mbuf, uint16_t id)
+{
+ struct ena_com_buf ebuf;
+ int rc;
+
+ /* prepare physical address for DMA transaction */
+ ebuf.paddr = mbuf->buf_iova + RTE_PKTMBUF_HEADROOM;
+ ebuf.len = mbuf->buf_len - RTE_PKTMBUF_HEADROOM;
+
+ /* pass resource to device */
+ rc = ena_com_add_single_rx_desc(io_sq, &ebuf, id);
+ if (unlikely(rc != 0))
+ PMD_RX_LOG(WARNING, "Failed adding Rx desc\n");
+
+ return rc;
+}
+
static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count)
{
unsigned int i;
int rc;
- uint16_t ring_size = rxq->ring_size;
- uint16_t ring_mask = ring_size - 1;
uint16_t next_to_use = rxq->next_to_use;
- uint16_t in_use, req_id;
+ uint16_t req_id;
+#ifdef RTE_ETHDEV_DEBUG_RX
+ uint16_t in_use;
+#endif
struct rte_mbuf **mbufs = rxq->rx_refill_buffer;
if (unlikely(!count))
return 0;
- in_use = rxq->next_to_use - rxq->next_to_clean;
- ena_assert_msg(((in_use + count) < ring_size), "bad ring state");
+#ifdef RTE_ETHDEV_DEBUG_RX
+ in_use = rxq->ring_size - 1 -
+ ena_com_free_q_entries(rxq->ena_com_io_sq);
+ if (unlikely((in_use + count) >= rxq->ring_size))
+ PMD_RX_LOG(ERR, "Bad Rx ring state\n");
+#endif
/* get resources for incoming packets */
- rc = rte_mempool_get_bulk(rxq->mb_pool, (void **)mbufs, count);
+ rc = rte_pktmbuf_alloc_bulk(rxq->mb_pool, mbufs, count);
if (unlikely(rc < 0)) {
rte_atomic64_inc(&rxq->adapter->drv_stats->rx_nombuf);
- PMD_RX_LOG(DEBUG, "there are no enough free buffers");
+ ++rxq->rx_stats.mbuf_alloc_fail;
+ PMD_RX_LOG(DEBUG, "There are not enough free buffers\n");
return 0;
}
for (i = 0; i < count; i++) {
- uint16_t next_to_use_masked = next_to_use & ring_mask;
struct rte_mbuf *mbuf = mbufs[i];
- struct ena_com_buf ebuf;
+ struct ena_rx_buffer *rx_info;
if (likely((i + 4) < count))
rte_prefetch0(mbufs[i + 4]);
- req_id = rxq->empty_rx_reqs[next_to_use_masked];
- rc = validate_rx_req_id(rxq, req_id);
- if (unlikely(rc < 0))
- break;
- rxq->rx_buffer_info[req_id] = mbuf;
-
- /* prepare physical address for DMA transaction */
- ebuf.paddr = mbuf->buf_iova + RTE_PKTMBUF_HEADROOM;
- ebuf.len = mbuf->buf_len - RTE_PKTMBUF_HEADROOM;
- /* pass resource to device */
- rc = ena_com_add_single_rx_desc(rxq->ena_com_io_sq,
- &ebuf, req_id);
- if (unlikely(rc)) {
- RTE_LOG(WARNING, PMD, "failed adding rx desc\n");
- rxq->rx_buffer_info[req_id] = NULL;
+ req_id = rxq->empty_rx_reqs[next_to_use];
+ rx_info = &rxq->rx_buffer_info[req_id];
+
+ rc = ena_add_single_rx_desc(rxq->ena_com_io_sq, mbuf, req_id);
+ if (unlikely(rc != 0))
break;
- }
- next_to_use++;
+
+ rx_info->mbuf = mbuf;
+ next_to_use = ENA_IDX_NEXT_MASKED(next_to_use, rxq->size_mask);
}
if (unlikely(i < count)) {
- RTE_LOG(WARNING, PMD, "refilled rx qid %d with only %d "
- "buffers (from %d)\n", rxq->id, i, count);
- rte_mempool_put_bulk(rxq->mb_pool, (void **)(&mbufs[i]),
- count - i);
+ PMD_RX_LOG(WARNING,
+ "Refilled Rx queue[%d] with only %d/%d buffers\n",
+ rxq->id, i, count);
+ rte_pktmbuf_free_bulk(&mbufs[i], count - i);
+ ++rxq->rx_stats.refill_partial;
}
/* When we submitted free recources to device... */
if (likely(i > 0)) {
- /* ...let HW know that it can fill buffers with data
- *
- * Add memory barrier to make sure the desc were written before
- * issue a doorbell
- */
- rte_wmb();
+ /* ...let HW know that it can fill buffers with data. */
ena_com_write_sq_doorbell(rxq->ena_com_io_sq);
rxq->next_to_use = next_to_use;
}
static int ena_device_init(struct ena_com_dev *ena_dev,
+ struct rte_pci_device *pdev,
struct ena_com_dev_get_features_ctx *get_feat_ctx,
bool *wd_state)
{
/* Initialize mmio registers */
rc = ena_com_mmio_reg_read_request_init(ena_dev);
if (rc) {
- RTE_LOG(ERR, PMD, "failed to init mmio read less\n");
+ PMD_DRV_LOG(ERR, "Failed to init MMIO read less\n");
return rc;
}
/* The PCIe configuration space revision id indicate if mmio reg
* read is disabled.
*/
- readless_supported =
- !(((struct rte_pci_device *)ena_dev->dmadev)->id.class_id
- & ENA_MMIO_DISABLE_REG_READ);
+ readless_supported = !(pdev->id.class_id & ENA_MMIO_DISABLE_REG_READ);
ena_com_set_mmio_read_mode(ena_dev, readless_supported);
/* reset device */
rc = ena_com_dev_reset(ena_dev, ENA_REGS_RESET_NORMAL);
if (rc) {
- RTE_LOG(ERR, PMD, "cannot reset device\n");
+ PMD_DRV_LOG(ERR, "Cannot reset device\n");
goto err_mmio_read_less;
}
/* check FW version */
rc = ena_com_validate_version(ena_dev);
if (rc) {
- RTE_LOG(ERR, PMD, "device version is too low\n");
+ PMD_DRV_LOG(ERR, "Device version is too low\n");
goto err_mmio_read_less;
}
/* ENA device administration layer init */
rc = ena_com_admin_init(ena_dev, &aenq_handlers);
if (rc) {
- RTE_LOG(ERR, PMD,
- "cannot initialize ena admin queue with device\n");
+ PMD_DRV_LOG(ERR,
+ "Cannot initialize ENA admin queue\n");
goto err_mmio_read_less;
}
/* Get Device Attributes and features */
rc = ena_com_get_dev_attr_feat(ena_dev, get_feat_ctx);
if (rc) {
- RTE_LOG(ERR, PMD,
- "cannot get attribute for ena device rc= %d\n", rc);
+ PMD_DRV_LOG(ERR,
+ "Cannot get attribute for ENA device, rc: %d\n", rc);
goto err_admin_init;
}
aenq_groups &= get_feat_ctx->aenq.supported_groups;
rc = ena_com_set_aenq_config(ena_dev, aenq_groups);
if (rc) {
- RTE_LOG(ERR, PMD, "Cannot configure aenq groups rc: %d\n", rc);
+ PMD_DRV_LOG(ERR, "Cannot configure AENQ groups, rc: %d\n", rc);
goto err_admin_init;
}
static void ena_interrupt_handler_rte(void *cb_arg)
{
- struct ena_adapter *adapter = (struct ena_adapter *)cb_arg;
+ struct rte_eth_dev *dev = cb_arg;
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
ena_com_admin_q_comp_intr_handler(ena_dev);
if (likely(adapter->state != ENA_ADAPTER_STATE_CLOSED))
- ena_com_aenq_intr_handler(ena_dev, adapter);
+ ena_com_aenq_intr_handler(ena_dev, dev);
}
static void check_for_missing_keep_alive(struct ena_adapter *adapter)
if (unlikely((rte_get_timer_cycles() - adapter->timestamp_wd) >=
adapter->keep_alive_timeout)) {
- RTE_LOG(ERR, PMD, "Keep alive timeout\n");
+ PMD_DRV_LOG(ERR, "Keep alive timeout\n");
adapter->reset_reason = ENA_REGS_RESET_KEEP_ALIVE_TO;
adapter->trigger_reset = true;
+ ++adapter->dev_stats.wd_expired;
}
}
static void check_for_admin_com_state(struct ena_adapter *adapter)
{
if (unlikely(!ena_com_get_admin_running_state(&adapter->ena_dev))) {
- RTE_LOG(ERR, PMD, "ENA admin queue is not in running state!\n");
+ PMD_DRV_LOG(ERR, "ENA admin queue is not in running state\n");
adapter->reset_reason = ENA_REGS_RESET_ADMIN_TO;
adapter->trigger_reset = true;
}
static void ena_timer_wd_callback(__rte_unused struct rte_timer *timer,
void *arg)
{
- struct ena_adapter *adapter = (struct ena_adapter *)arg;
- struct rte_eth_dev *dev = adapter->rte_dev;
+ struct rte_eth_dev *dev = arg;
+ struct ena_adapter *adapter = dev->data->dev_private;
check_for_missing_keep_alive(adapter);
check_for_admin_com_state(adapter);
if (unlikely(adapter->trigger_reset)) {
- RTE_LOG(ERR, PMD, "Trigger reset is on\n");
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
+ PMD_DRV_LOG(ERR, "Trigger reset is on\n");
+ rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
NULL);
}
}
-static int ena_calc_io_queue_num(__rte_unused struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx)
+static inline void
+set_default_llq_configurations(struct ena_llq_configurations *llq_config,
+ struct ena_admin_feature_llq_desc *llq,
+ bool use_large_llq_hdr)
+{
+ llq_config->llq_header_location = ENA_ADMIN_INLINE_HEADER;
+ llq_config->llq_stride_ctrl = ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY;
+ llq_config->llq_num_decs_before_header =
+ ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2;
+
+ if (use_large_llq_hdr &&
+ (llq->entry_size_ctrl_supported & ENA_ADMIN_LIST_ENTRY_SIZE_256B)) {
+ llq_config->llq_ring_entry_size =
+ ENA_ADMIN_LIST_ENTRY_SIZE_256B;
+ llq_config->llq_ring_entry_size_value = 256;
+ } else {
+ llq_config->llq_ring_entry_size =
+ ENA_ADMIN_LIST_ENTRY_SIZE_128B;
+ llq_config->llq_ring_entry_size_value = 128;
+ }
+}
+
+static int
+ena_set_queues_placement_policy(struct ena_adapter *adapter,
+ struct ena_com_dev *ena_dev,
+ struct ena_admin_feature_llq_desc *llq,
+ struct ena_llq_configurations *llq_default_configurations)
+{
+ int rc;
+ u32 llq_feature_mask;
+
+ llq_feature_mask = 1 << ENA_ADMIN_LLQ;
+ if (!(ena_dev->supported_features & llq_feature_mask)) {
+ PMD_DRV_LOG(INFO,
+ "LLQ is not supported. Fallback to host mode policy.\n");
+ ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+ return 0;
+ }
+
+ rc = ena_com_config_dev_mode(ena_dev, llq, llq_default_configurations);
+ if (unlikely(rc)) {
+ PMD_INIT_LOG(WARNING,
+ "Failed to config dev mode. Fallback to host mode policy.\n");
+ ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+ return 0;
+ }
+
+ /* Nothing to config, exit */
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
+ return 0;
+
+ if (!adapter->dev_mem_base) {
+ PMD_DRV_LOG(ERR,
+ "Unable to access LLQ BAR resource. Fallback to host mode policy.\n");
+ ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+ return 0;
+ }
+
+ ena_dev->mem_bar = adapter->dev_mem_base;
+
+ return 0;
+}
+
+static uint32_t ena_calc_max_io_queue_num(struct ena_com_dev *ena_dev,
+ struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
- int io_sq_num, io_cq_num, io_queue_num;
+ uint32_t io_tx_sq_num, io_tx_cq_num, io_rx_num, max_num_io_queues;
+
+ /* Regular queues capabilities */
+ if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
+ struct ena_admin_queue_ext_feature_fields *max_queue_ext =
+ &get_feat_ctx->max_queue_ext.max_queue_ext;
+ io_rx_num = RTE_MIN(max_queue_ext->max_rx_sq_num,
+ max_queue_ext->max_rx_cq_num);
+ io_tx_sq_num = max_queue_ext->max_tx_sq_num;
+ io_tx_cq_num = max_queue_ext->max_tx_cq_num;
+ } else {
+ struct ena_admin_queue_feature_desc *max_queues =
+ &get_feat_ctx->max_queues;
+ io_tx_sq_num = max_queues->max_sq_num;
+ io_tx_cq_num = max_queues->max_cq_num;
+ io_rx_num = RTE_MIN(io_tx_sq_num, io_tx_cq_num);
+ }
- io_sq_num = get_feat_ctx->max_queues.max_sq_num;
- io_cq_num = get_feat_ctx->max_queues.max_cq_num;
+ /* In case of LLQ use the llq number in the get feature cmd */
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+ io_tx_sq_num = get_feat_ctx->llq.max_llq_num;
- io_queue_num = RTE_MIN(io_sq_num, io_cq_num);
+ max_num_io_queues = RTE_MIN(ENA_MAX_NUM_IO_QUEUES, io_rx_num);
+ max_num_io_queues = RTE_MIN(max_num_io_queues, io_tx_sq_num);
+ max_num_io_queues = RTE_MIN(max_num_io_queues, io_tx_cq_num);
- if (unlikely(io_queue_num == 0)) {
- RTE_LOG(ERR, PMD, "Number of IO queues should not be 0\n");
+ if (unlikely(max_num_io_queues == 0)) {
+ PMD_DRV_LOG(ERR, "Number of IO queues cannot not be 0\n");
return -EFAULT;
}
- return io_queue_num;
+ return max_num_io_queues;
}
static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
{
+ struct ena_calc_queue_size_ctx calc_queue_ctx = { 0 };
struct rte_pci_device *pci_dev;
struct rte_intr_handle *intr_handle;
- struct ena_adapter *adapter =
- (struct ena_adapter *)(eth_dev->data->dev_private);
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
struct ena_com_dev_get_features_ctx get_feat_ctx;
- int queue_size, rc;
- u16 tx_sgl_size = 0;
-
+ struct ena_llq_configurations llq_config;
+ const char *queue_type_str;
+ uint32_t max_num_io_queues;
+ int rc;
static int adapters_found;
- bool wd_state;
-
- memset(adapter, 0, sizeof(struct ena_adapter));
- ena_dev = &adapter->ena_dev;
+ bool disable_meta_caching;
+ bool wd_state = false;
eth_dev->dev_ops = &ena_dev_ops;
eth_dev->rx_pkt_burst = ð_ena_recv_pkts;
eth_dev->tx_pkt_burst = ð_ena_xmit_pkts;
eth_dev->tx_pkt_prepare = ð_ena_prep_pkts;
- adapter->rte_eth_dev_data = eth_dev->data;
- adapter->rte_dev = eth_dev;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
+ eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
+
+ memset(adapter, 0, sizeof(struct ena_adapter));
+ ena_dev = &adapter->ena_dev;
+
+ adapter->edev_data = eth_dev->data;
+
pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
- adapter->pdev = pci_dev;
- PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d",
+ PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d\n",
pci_dev->addr.domain,
pci_dev->addr.bus,
pci_dev->addr.devid,
adapter->dev_mem_base = pci_dev->mem_resource[ENA_MEM_BAR].addr;
if (!adapter->regs) {
- PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)",
+ PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)\n",
ENA_REGS_BAR);
return -ENXIO;
}
ena_dev->reg_bar = adapter->regs;
- ena_dev->dmadev = adapter->pdev;
+ /* This is a dummy pointer for ena_com functions. */
+ ena_dev->dmadev = adapter;
adapter->id_number = adapters_found;
snprintf(adapter->name, ENA_NAME_MAX_LEN, "ena_%d",
adapter->id_number);
+ rc = ena_parse_devargs(adapter, pci_dev->device.devargs);
+ if (rc != 0) {
+ PMD_INIT_LOG(CRIT, "Failed to parse devargs\n");
+ goto err;
+ }
+
/* device specific initialization routine */
- rc = ena_device_init(ena_dev, &get_feat_ctx, &wd_state);
+ rc = ena_device_init(ena_dev, pci_dev, &get_feat_ctx, &wd_state);
if (rc) {
- PMD_INIT_LOG(CRIT, "Failed to init ENA device");
+ PMD_INIT_LOG(CRIT, "Failed to init ENA device\n");
goto err;
}
adapter->wd_state = wd_state;
- ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
- adapter->num_queues = ena_calc_io_queue_num(ena_dev,
- &get_feat_ctx);
+ set_default_llq_configurations(&llq_config, &get_feat_ctx.llq,
+ adapter->use_large_llq_hdr);
+ rc = ena_set_queues_placement_policy(adapter, ena_dev,
+ &get_feat_ctx.llq, &llq_config);
+ if (unlikely(rc)) {
+ PMD_INIT_LOG(CRIT, "Failed to set placement policy\n");
+ return rc;
+ }
+
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
+ queue_type_str = "Regular";
+ else
+ queue_type_str = "Low latency";
+ PMD_DRV_LOG(INFO, "Placement policy: %s\n", queue_type_str);
+
+ calc_queue_ctx.ena_dev = ena_dev;
+ calc_queue_ctx.get_feat_ctx = &get_feat_ctx;
- queue_size = ena_calc_queue_size(ena_dev, &tx_sgl_size, &get_feat_ctx);
- if (queue_size <= 0 || adapter->num_queues <= 0) {
+ max_num_io_queues = ena_calc_max_io_queue_num(ena_dev, &get_feat_ctx);
+ rc = ena_calc_io_queue_size(&calc_queue_ctx,
+ adapter->use_large_llq_hdr);
+ if (unlikely((rc != 0) || (max_num_io_queues == 0))) {
rc = -EFAULT;
goto err_device_destroy;
}
- adapter->tx_ring_size = queue_size;
- adapter->rx_ring_size = queue_size;
+ adapter->max_tx_ring_size = calc_queue_ctx.max_tx_queue_size;
+ adapter->max_rx_ring_size = calc_queue_ctx.max_rx_queue_size;
+ adapter->max_tx_sgl_size = calc_queue_ctx.max_tx_sgl_size;
+ adapter->max_rx_sgl_size = calc_queue_ctx.max_rx_sgl_size;
+ adapter->max_num_io_queues = max_num_io_queues;
- adapter->max_tx_sgl_size = tx_sgl_size;
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+ disable_meta_caching =
+ !!(get_feat_ctx.llq.accel_mode.u.get.supported_flags &
+ BIT(ENA_ADMIN_DISABLE_META_CACHING));
+ } else {
+ disable_meta_caching = false;
+ }
/* prepare ring structures */
- ena_init_rings(adapter);
+ ena_init_rings(adapter, disable_meta_caching);
ena_config_debug_area(adapter);
/* Set max MTU for this device */
adapter->max_mtu = get_feat_ctx.dev_attr.max_mtu;
- /* set device support for TSO */
- adapter->tso4_supported = get_feat_ctx.offload.tx &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK;
+ /* set device support for offloads */
+ adapter->offloads.tso4_supported = (get_feat_ctx.offload.tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK) != 0;
+ adapter->offloads.tx_csum_supported = (get_feat_ctx.offload.tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK) != 0;
+ adapter->offloads.rx_csum_supported =
+ (get_feat_ctx.offload.rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK) != 0;
/* Copy MAC address and point DPDK to it */
- eth_dev->data->mac_addrs = (struct ether_addr *)adapter->mac_addr;
- ether_addr_copy((struct ether_addr *)get_feat_ctx.dev_attr.mac_addr,
- (struct ether_addr *)adapter->mac_addr);
-
- /*
- * Pass the information to the rte_eth_dev_close() that it should also
- * release the private port resources.
- */
- eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+ eth_dev->data->mac_addrs = (struct rte_ether_addr *)adapter->mac_addr;
+ rte_ether_addr_copy((struct rte_ether_addr *)
+ get_feat_ctx.dev_attr.mac_addr,
+ (struct rte_ether_addr *)adapter->mac_addr);
adapter->drv_stats = rte_zmalloc("adapter stats",
sizeof(*adapter->drv_stats),
RTE_CACHE_LINE_SIZE);
if (!adapter->drv_stats) {
- RTE_LOG(ERR, PMD, "failed to alloc mem for adapter stats\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for adapter statistics\n");
rc = -ENOMEM;
goto err_delete_debug_area;
}
+ rte_spinlock_init(&adapter->admin_lock);
+
rte_intr_callback_register(intr_handle,
ena_interrupt_handler_rte,
- adapter);
+ eth_dev);
rte_intr_enable(intr_handle);
ena_com_set_admin_polling_mode(ena_dev, false);
ena_com_admin_aenq_enable(ena_dev);
return rc;
}
-static int eth_ena_dev_uninit(struct rte_eth_dev *eth_dev)
+static void ena_destroy_device(struct rte_eth_dev *eth_dev)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(eth_dev->data->dev_private);
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
+ struct ena_com_dev *ena_dev = &adapter->ena_dev;
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return 0;
+ if (adapter->state == ENA_ADAPTER_STATE_FREE)
+ return;
+
+ ena_com_set_admin_running_state(ena_dev, false);
if (adapter->state != ENA_ADAPTER_STATE_CLOSED)
ena_close(eth_dev);
- eth_dev->dev_ops = NULL;
- eth_dev->rx_pkt_burst = NULL;
- eth_dev->tx_pkt_burst = NULL;
- eth_dev->tx_pkt_prepare = NULL;
+ ena_com_delete_debug_area(ena_dev);
+ ena_com_delete_host_info(ena_dev);
- adapter->state = ENA_ADAPTER_STATE_FREE;
+ ena_com_abort_admin_commands(ena_dev);
+ ena_com_wait_for_abort_completion(ena_dev);
+ ena_com_admin_destroy(ena_dev);
+ ena_com_mmio_reg_read_request_destroy(ena_dev);
- return 0;
+ adapter->state = ENA_ADAPTER_STATE_FREE;
}
-static int ena_dev_configure(struct rte_eth_dev *dev)
+static int eth_ena_dev_uninit(struct rte_eth_dev *eth_dev)
{
- struct ena_adapter *adapter =
- (struct ena_adapter *)(dev->data->dev_private);
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ ena_destroy_device(eth_dev);
+
+ return 0;
+}
+
+static int ena_dev_configure(struct rte_eth_dev *dev)
+{
+ struct ena_adapter *adapter = dev->data->dev_private;
adapter->state = ENA_ADAPTER_STATE_CONFIG;
+ if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
+ dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
+
adapter->tx_selected_offloads = dev->data->dev_conf.txmode.offloads;
adapter->rx_selected_offloads = dev->data->dev_conf.rxmode.offloads;
return 0;
}
-static void ena_init_rings(struct ena_adapter *adapter)
+static void ena_init_rings(struct ena_adapter *adapter,
+ bool disable_meta_caching)
{
- int i;
+ size_t i;
- for (i = 0; i < adapter->num_queues; i++) {
+ for (i = 0; i < adapter->max_num_io_queues; i++) {
struct ena_ring *ring = &adapter->tx_ring[i];
ring->configured = 0;
ring->tx_mem_queue_type = adapter->ena_dev.tx_mem_queue_type;
ring->tx_max_header_size = adapter->ena_dev.tx_max_header_size;
ring->sgl_size = adapter->max_tx_sgl_size;
+ ring->disable_meta_caching = disable_meta_caching;
}
- for (i = 0; i < adapter->num_queues; i++) {
+ for (i = 0; i < adapter->max_num_io_queues; i++) {
struct ena_ring *ring = &adapter->rx_ring[i];
ring->configured = 0;
ring->type = ENA_RING_TYPE_RX;
ring->adapter = adapter;
ring->id = i;
+ ring->sgl_size = adapter->max_rx_sgl_size;
}
}
-static void ena_infos_get(struct rte_eth_dev *dev,
+static int ena_infos_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
struct ena_adapter *adapter;
struct ena_com_dev *ena_dev;
- struct ena_com_dev_get_features_ctx feat;
uint64_t rx_feat = 0, tx_feat = 0;
- int rc = 0;
- ena_assert_msg(dev->data != NULL, "Uninitialized device");
- ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device");
- adapter = (struct ena_adapter *)(dev->data->dev_private);
+ ena_assert_msg(dev->data != NULL, "Uninitialized device\n");
+ ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device\n");
+ adapter = dev->data->dev_private;
ena_dev = &adapter->ena_dev;
- ena_assert_msg(ena_dev != NULL, "Uninitialized device");
+ ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
dev_info->speed_capa =
ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_50G |
ETH_LINK_SPEED_100G;
- /* Get supported features from HW */
- rc = ena_com_get_dev_attr_feat(ena_dev, &feat);
- if (unlikely(rc)) {
- RTE_LOG(ERR, PMD,
- "Cannot get attribute for ena device rc= %d\n", rc);
- return;
- }
-
/* Set Tx & Rx features available for device */
- if (feat.offload.tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK)
+ if (adapter->offloads.tso4_supported)
tx_feat |= DEV_TX_OFFLOAD_TCP_TSO;
- if (feat.offload.tx &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK)
+ if (adapter->offloads.tx_csum_supported)
tx_feat |= DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM;
- if (feat.offload.rx_supported &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK)
+ if (adapter->offloads.rx_csum_supported)
rx_feat |= DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
/* Inform framework about available features */
dev_info->rx_offload_capa = rx_feat;
+ dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_RSS_HASH;
dev_info->rx_queue_offload_capa = rx_feat;
dev_info->tx_offload_capa = tx_feat;
dev_info->tx_queue_offload_capa = tx_feat;
+ dev_info->flow_type_rss_offloads = ETH_RSS_IP | ETH_RSS_TCP |
+ ETH_RSS_UDP;
+
dev_info->min_rx_bufsize = ENA_MIN_FRAME_LEN;
dev_info->max_rx_pktlen = adapter->max_mtu;
dev_info->max_mac_addrs = 1;
- dev_info->max_rx_queues = adapter->num_queues;
- dev_info->max_tx_queues = adapter->num_queues;
+ dev_info->max_rx_queues = adapter->max_num_io_queues;
+ dev_info->max_tx_queues = adapter->max_num_io_queues;
dev_info->reta_size = ENA_RX_RSS_TABLE_SIZE;
adapter->tx_supported_offloads = tx_feat;
adapter->rx_supported_offloads = rx_feat;
- dev_info->rx_desc_lim.nb_max = ENA_MAX_RING_DESC;
+ dev_info->rx_desc_lim.nb_max = adapter->max_rx_ring_size;
dev_info->rx_desc_lim.nb_min = ENA_MIN_RING_DESC;
+ dev_info->rx_desc_lim.nb_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
+ adapter->max_rx_sgl_size);
+ dev_info->rx_desc_lim.nb_mtu_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
+ adapter->max_rx_sgl_size);
- dev_info->tx_desc_lim.nb_max = ENA_MAX_RING_DESC;
+ dev_info->tx_desc_lim.nb_max = adapter->max_tx_ring_size;
dev_info->tx_desc_lim.nb_min = ENA_MIN_RING_DESC;
dev_info->tx_desc_lim.nb_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
- feat.max_queues.max_packet_tx_descs);
+ adapter->max_tx_sgl_size);
dev_info->tx_desc_lim.nb_mtu_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
- feat.max_queues.max_packet_tx_descs);
+ adapter->max_tx_sgl_size);
+
+ dev_info->default_rxportconf.ring_size = ENA_DEFAULT_RING_SIZE;
+ dev_info->default_txportconf.ring_size = ENA_DEFAULT_RING_SIZE;
+
+ return 0;
+}
+
+static inline void ena_init_rx_mbuf(struct rte_mbuf *mbuf, uint16_t len)
+{
+ mbuf->data_len = len;
+ mbuf->data_off = RTE_PKTMBUF_HEADROOM;
+ mbuf->refcnt = 1;
+ mbuf->next = NULL;
+}
+
+static struct rte_mbuf *ena_rx_mbuf(struct ena_ring *rx_ring,
+ struct ena_com_rx_buf_info *ena_bufs,
+ uint32_t descs,
+ uint16_t *next_to_clean,
+ uint8_t offset)
+{
+ struct rte_mbuf *mbuf;
+ struct rte_mbuf *mbuf_head;
+ struct ena_rx_buffer *rx_info;
+ int rc;
+ uint16_t ntc, len, req_id, buf = 0;
+
+ if (unlikely(descs == 0))
+ return NULL;
+
+ ntc = *next_to_clean;
+
+ len = ena_bufs[buf].len;
+ req_id = ena_bufs[buf].req_id;
+
+ rx_info = &rx_ring->rx_buffer_info[req_id];
+
+ mbuf = rx_info->mbuf;
+ RTE_ASSERT(mbuf != NULL);
+
+ ena_init_rx_mbuf(mbuf, len);
+
+ /* Fill the mbuf head with the data specific for 1st segment. */
+ mbuf_head = mbuf;
+ mbuf_head->nb_segs = descs;
+ mbuf_head->port = rx_ring->port_id;
+ mbuf_head->pkt_len = len;
+ mbuf_head->data_off += offset;
+
+ rx_info->mbuf = NULL;
+ rx_ring->empty_rx_reqs[ntc] = req_id;
+ ntc = ENA_IDX_NEXT_MASKED(ntc, rx_ring->size_mask);
+
+ while (--descs) {
+ ++buf;
+ len = ena_bufs[buf].len;
+ req_id = ena_bufs[buf].req_id;
+
+ rx_info = &rx_ring->rx_buffer_info[req_id];
+ RTE_ASSERT(rx_info->mbuf != NULL);
+
+ if (unlikely(len == 0)) {
+ /*
+ * Some devices can pass descriptor with the length 0.
+ * To avoid confusion, the PMD is simply putting the
+ * descriptor back, as it was never used. We'll avoid
+ * mbuf allocation that way.
+ */
+ rc = ena_add_single_rx_desc(rx_ring->ena_com_io_sq,
+ rx_info->mbuf, req_id);
+ if (unlikely(rc != 0)) {
+ /* Free the mbuf in case of an error. */
+ rte_mbuf_raw_free(rx_info->mbuf);
+ } else {
+ /*
+ * If there was no error, just exit the loop as
+ * 0 length descriptor is always the last one.
+ */
+ break;
+ }
+ } else {
+ /* Create an mbuf chain. */
+ mbuf->next = rx_info->mbuf;
+ mbuf = mbuf->next;
+
+ ena_init_rx_mbuf(mbuf, len);
+ mbuf_head->pkt_len += len;
+ }
+
+ /*
+ * Mark the descriptor as depleted and perform necessary
+ * cleanup.
+ * This code will execute in two cases:
+ * 1. Descriptor len was greater than 0 - normal situation.
+ * 2. Descriptor len was 0 and we failed to add the descriptor
+ * to the device. In that situation, we should try to add
+ * the mbuf again in the populate routine and mark the
+ * descriptor as used up by the device.
+ */
+ rx_info->mbuf = NULL;
+ rx_ring->empty_rx_reqs[ntc] = req_id;
+ ntc = ENA_IDX_NEXT_MASKED(ntc, rx_ring->size_mask);
+ }
+
+ *next_to_clean = ntc;
+
+ return mbuf_head;
}
static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
struct ena_ring *rx_ring = (struct ena_ring *)(rx_queue);
- unsigned int ring_size = rx_ring->ring_size;
- unsigned int ring_mask = ring_size - 1;
+ unsigned int free_queue_entries;
+ unsigned int refill_threshold;
uint16_t next_to_clean = rx_ring->next_to_clean;
- uint16_t desc_in_use = 0;
- uint16_t req_id;
- unsigned int recv_idx = 0;
- struct rte_mbuf *mbuf = NULL;
- struct rte_mbuf *mbuf_head = NULL;
- struct rte_mbuf *mbuf_prev = NULL;
- struct rte_mbuf **rx_buff_info = rx_ring->rx_buffer_info;
- unsigned int completed;
-
+ uint16_t descs_in_use;
+ struct rte_mbuf *mbuf;
+ uint16_t completed;
struct ena_com_rx_ctx ena_rx_ctx;
- int rc = 0;
+ int i, rc = 0;
+#ifdef RTE_ETHDEV_DEBUG_RX
/* Check adapter state */
if (unlikely(rx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
- RTE_LOG(ALERT, PMD,
+ PMD_RX_LOG(ALERT,
"Trying to receive pkts while device is NOT running\n");
return 0;
}
+#endif
- desc_in_use = rx_ring->next_to_use - next_to_clean;
- if (unlikely(nb_pkts > desc_in_use))
- nb_pkts = desc_in_use;
+ descs_in_use = rx_ring->ring_size -
+ ena_com_free_q_entries(rx_ring->ena_com_io_sq) - 1;
+ nb_pkts = RTE_MIN(descs_in_use, nb_pkts);
for (completed = 0; completed < nb_pkts; completed++) {
- int segments = 0;
-
- ena_rx_ctx.max_bufs = rx_ring->ring_size;
+ ena_rx_ctx.max_bufs = rx_ring->sgl_size;
ena_rx_ctx.ena_bufs = rx_ring->ena_bufs;
ena_rx_ctx.descs = 0;
+ ena_rx_ctx.pkt_offset = 0;
/* receive packet context */
rc = ena_com_rx_pkt(rx_ring->ena_com_io_cq,
rx_ring->ena_com_io_sq,
&ena_rx_ctx);
if (unlikely(rc)) {
- RTE_LOG(ERR, PMD, "ena_com_rx_pkt error %d\n", rc);
- rx_ring->adapter->reset_reason =
- ENA_REGS_RESET_TOO_MANY_RX_DESCS;
+ PMD_RX_LOG(ERR,
+ "Failed to get the packet from the device, rc: %d\n",
+ rc);
+ if (rc == ENA_COM_NO_SPACE) {
+ ++rx_ring->rx_stats.bad_desc_num;
+ rx_ring->adapter->reset_reason =
+ ENA_REGS_RESET_TOO_MANY_RX_DESCS;
+ } else {
+ ++rx_ring->rx_stats.bad_req_id;
+ rx_ring->adapter->reset_reason =
+ ENA_REGS_RESET_INV_RX_REQ_ID;
+ }
rx_ring->adapter->trigger_reset = true;
return 0;
}
- if (unlikely(ena_rx_ctx.descs == 0))
- break;
-
- while (segments < ena_rx_ctx.descs) {
- req_id = ena_rx_ctx.ena_bufs[segments].req_id;
- rc = validate_rx_req_id(rx_ring, req_id);
- if (unlikely(rc))
- break;
-
- mbuf = rx_buff_info[req_id];
- mbuf->data_len = ena_rx_ctx.ena_bufs[segments].len;
- mbuf->data_off = RTE_PKTMBUF_HEADROOM;
- mbuf->refcnt = 1;
- mbuf->next = NULL;
- if (unlikely(segments == 0)) {
- mbuf->nb_segs = ena_rx_ctx.descs;
- mbuf->port = rx_ring->port_id;
- mbuf->pkt_len = 0;
- mbuf_head = mbuf;
- } else {
- /* for multi-segment pkts create mbuf chain */
- mbuf_prev->next = mbuf;
+ mbuf = ena_rx_mbuf(rx_ring,
+ ena_rx_ctx.ena_bufs,
+ ena_rx_ctx.descs,
+ &next_to_clean,
+ ena_rx_ctx.pkt_offset);
+ if (unlikely(mbuf == NULL)) {
+ for (i = 0; i < ena_rx_ctx.descs; ++i) {
+ rx_ring->empty_rx_reqs[next_to_clean] =
+ rx_ring->ena_bufs[i].req_id;
+ next_to_clean = ENA_IDX_NEXT_MASKED(
+ next_to_clean, rx_ring->size_mask);
}
- mbuf_head->pkt_len += mbuf->data_len;
-
- mbuf_prev = mbuf;
- rx_ring->empty_rx_reqs[next_to_clean & ring_mask] =
- req_id;
- segments++;
- next_to_clean++;
+ break;
}
/* fill mbuf attributes if any */
- ena_rx_mbuf_prepare(mbuf_head, &ena_rx_ctx);
- mbuf_head->hash.rss = ena_rx_ctx.hash;
+ ena_rx_mbuf_prepare(mbuf, &ena_rx_ctx);
- /* pass to DPDK application head mbuf */
- rx_pkts[recv_idx] = mbuf_head;
- recv_idx++;
+ if (unlikely(mbuf->ol_flags &
+ (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD))) {
+ rte_atomic64_inc(&rx_ring->adapter->drv_stats->ierrors);
+ ++rx_ring->rx_stats.bad_csum;
+ }
+
+ rx_pkts[completed] = mbuf;
+ rx_ring->rx_stats.bytes += mbuf->pkt_len;
}
+ rx_ring->rx_stats.cnt += completed;
rx_ring->next_to_clean = next_to_clean;
- desc_in_use = desc_in_use - completed + 1;
+ free_queue_entries = ena_com_free_q_entries(rx_ring->ena_com_io_sq);
+ refill_threshold =
+ RTE_MIN(rx_ring->ring_size / ENA_REFILL_THRESH_DIVIDER,
+ (unsigned int)ENA_REFILL_THRESH_PACKET);
+
/* Burst refill to save doorbells, memory barriers, const interval */
- if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size))
- ena_populate_rx_queue(rx_ring, ring_size - desc_in_use);
+ if (free_queue_entries > refill_threshold) {
+ ena_com_update_dev_comp_head(rx_ring->ena_com_io_cq);
+ ena_populate_rx_queue(rx_ring, free_queue_entries);
+ }
- return recv_idx;
+ return completed;
}
static uint16_t
uint32_t i;
struct rte_mbuf *m;
struct ena_ring *tx_ring = (struct ena_ring *)(tx_queue);
- struct ipv4_hdr *ip_hdr;
+ struct rte_ipv4_hdr *ip_hdr;
uint64_t ol_flags;
uint16_t frag_field;
* length of the ethernet header.
*/
if (unlikely(m->l2_len == 0))
- m->l2_len = sizeof(struct ether_hdr);
+ m->l2_len = sizeof(struct rte_ether_hdr);
- ip_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
+ ip_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
m->l2_len);
frag_field = rte_be_to_cpu_16(ip_hdr->fragment_offset);
- if ((frag_field & IPV4_HDR_DF_FLAG) != 0) {
+ if ((frag_field & RTE_IPV4_HDR_DF_FLAG) != 0) {
m->packet_type |= RTE_PTYPE_L4_NONFRAG;
/* If IPv4 header has DF flag enabled and TSO support is
* disabled, partial chcecksum should not be calculated.
*/
- if (!tx_ring->adapter->tso4_supported)
+ if (!tx_ring->adapter->offloads.tso4_supported)
continue;
}
if ((ol_flags & ENA_TX_OFFLOAD_NOTSUP_MASK) != 0 ||
(ol_flags & PKT_TX_L4_MASK) ==
PKT_TX_SCTP_CKSUM) {
- rte_errno = -ENOTSUP;
+ rte_errno = ENOTSUP;
return i;
}
#ifdef RTE_LIBRTE_ETHDEV_DEBUG
ret = rte_validate_tx_offload(m);
if (ret != 0) {
- rte_errno = ret;
+ rte_errno = -ret;
return i;
}
#endif
ret = rte_net_intel_cksum_flags_prepare(m,
ol_flags & ~PKT_TX_TCP_SEG);
if (ret != 0) {
- rte_errno = ret;
+ rte_errno = -ret;
return i;
}
}
}
}
-static int ena_check_and_linearize_mbuf(struct ena_ring *tx_ring,
- struct rte_mbuf *mbuf)
+static int ena_check_space_and_linearize_mbuf(struct ena_ring *tx_ring,
+ struct rte_mbuf *mbuf)
{
- int num_segments, rc;
+ struct ena_com_dev *ena_dev;
+ int num_segments, header_len, rc;
+ ena_dev = &tx_ring->adapter->ena_dev;
num_segments = mbuf->nb_segs;
+ header_len = mbuf->data_len;
if (likely(num_segments < tx_ring->sgl_size))
- return 0;
+ goto checkspace;
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV &&
+ (num_segments == tx_ring->sgl_size) &&
+ (header_len < tx_ring->tx_max_header_size))
+ goto checkspace;
+
+ /* Checking for space for 2 additional metadata descriptors due to
+ * possible header split and metadata descriptor. Linearization will
+ * be needed so we reduce the segments number from num_segments to 1
+ */
+ if (!ena_com_sq_have_enough_space(tx_ring->ena_com_io_sq, 3)) {
+ PMD_TX_LOG(DEBUG, "Not enough space in the Tx queue\n");
+ return ENA_COM_NO_MEM;
+ }
+ ++tx_ring->tx_stats.linearize;
rc = rte_pktmbuf_linearize(mbuf);
+ if (unlikely(rc)) {
+ PMD_TX_LOG(WARNING, "Mbuf linearize failed\n");
+ rte_atomic64_inc(&tx_ring->adapter->drv_stats->ierrors);
+ ++tx_ring->tx_stats.linearize_failed;
+ return rc;
+ }
+
+ return 0;
+
+checkspace:
+ /* Checking for space for 2 additional metadata descriptors due to
+ * possible header split and metadata descriptor
+ */
+ if (!ena_com_sq_have_enough_space(tx_ring->ena_com_io_sq,
+ num_segments + 2)) {
+ PMD_TX_LOG(DEBUG, "Not enough space in the Tx queue\n");
+ return ENA_COM_NO_MEM;
+ }
+
+ return 0;
+}
+
+static void ena_tx_map_mbuf(struct ena_ring *tx_ring,
+ struct ena_tx_buffer *tx_info,
+ struct rte_mbuf *mbuf,
+ void **push_header,
+ uint16_t *header_len)
+{
+ struct ena_com_buf *ena_buf;
+ uint16_t delta, seg_len, push_len;
+
+ delta = 0;
+ seg_len = mbuf->data_len;
+
+ tx_info->mbuf = mbuf;
+ ena_buf = tx_info->bufs;
+
+ if (tx_ring->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+ /*
+ * Tx header might be (and will be in most cases) smaller than
+ * tx_max_header_size. But it's not an issue to send more data
+ * to the device, than actually needed if the mbuf size is
+ * greater than tx_max_header_size.
+ */
+ push_len = RTE_MIN(mbuf->pkt_len, tx_ring->tx_max_header_size);
+ *header_len = push_len;
+
+ if (likely(push_len <= seg_len)) {
+ /* If the push header is in the single segment, then
+ * just point it to the 1st mbuf data.
+ */
+ *push_header = rte_pktmbuf_mtod(mbuf, uint8_t *);
+ } else {
+ /* If the push header lays in the several segments, copy
+ * it to the intermediate buffer.
+ */
+ rte_pktmbuf_read(mbuf, 0, push_len,
+ tx_ring->push_buf_intermediate_buf);
+ *push_header = tx_ring->push_buf_intermediate_buf;
+ delta = push_len - seg_len;
+ }
+ } else {
+ *push_header = NULL;
+ *header_len = 0;
+ push_len = 0;
+ }
+
+ /* Process first segment taking into consideration pushed header */
+ if (seg_len > push_len) {
+ ena_buf->paddr = mbuf->buf_iova +
+ mbuf->data_off +
+ push_len;
+ ena_buf->len = seg_len - push_len;
+ ena_buf++;
+ tx_info->num_of_bufs++;
+ }
+
+ while ((mbuf = mbuf->next) != NULL) {
+ seg_len = mbuf->data_len;
+
+ /* Skip mbufs if whole data is pushed as a header */
+ if (unlikely(delta > seg_len)) {
+ delta -= seg_len;
+ continue;
+ }
+
+ ena_buf->paddr = mbuf->buf_iova + mbuf->data_off + delta;
+ ena_buf->len = seg_len - delta;
+ ena_buf++;
+ tx_info->num_of_bufs++;
+
+ delta = 0;
+ }
+}
+
+static int ena_xmit_mbuf(struct ena_ring *tx_ring, struct rte_mbuf *mbuf)
+{
+ struct ena_tx_buffer *tx_info;
+ struct ena_com_tx_ctx ena_tx_ctx = { { 0 } };
+ uint16_t next_to_use;
+ uint16_t header_len;
+ uint16_t req_id;
+ void *push_header;
+ int nb_hw_desc;
+ int rc;
+
+ rc = ena_check_space_and_linearize_mbuf(tx_ring, mbuf);
if (unlikely(rc))
- RTE_LOG(WARNING, PMD, "Mbuf linearize failed\n");
+ return rc;
- return rc;
+ next_to_use = tx_ring->next_to_use;
+
+ req_id = tx_ring->empty_tx_reqs[next_to_use];
+ tx_info = &tx_ring->tx_buffer_info[req_id];
+ tx_info->num_of_bufs = 0;
+
+ ena_tx_map_mbuf(tx_ring, tx_info, mbuf, &push_header, &header_len);
+
+ ena_tx_ctx.ena_bufs = tx_info->bufs;
+ ena_tx_ctx.push_header = push_header;
+ ena_tx_ctx.num_bufs = tx_info->num_of_bufs;
+ ena_tx_ctx.req_id = req_id;
+ ena_tx_ctx.header_len = header_len;
+
+ /* Set Tx offloads flags, if applicable */
+ ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads,
+ tx_ring->disable_meta_caching);
+
+ if (unlikely(ena_com_is_doorbell_needed(tx_ring->ena_com_io_sq,
+ &ena_tx_ctx))) {
+ PMD_TX_LOG(DEBUG,
+ "LLQ Tx max burst size of queue %d achieved, writing doorbell to send burst\n",
+ tx_ring->id);
+ ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+ tx_ring->tx_stats.doorbells++;
+ tx_ring->pkts_without_db = false;
+ }
+
+ /* prepare the packet's descriptors to dma engine */
+ rc = ena_com_prepare_tx(tx_ring->ena_com_io_sq, &ena_tx_ctx,
+ &nb_hw_desc);
+ if (unlikely(rc)) {
+ PMD_DRV_LOG(ERR, "Failed to prepare Tx buffers, rc: %d\n", rc);
+ ++tx_ring->tx_stats.prepare_ctx_err;
+ tx_ring->adapter->reset_reason =
+ ENA_REGS_RESET_DRIVER_INVALID_STATE;
+ tx_ring->adapter->trigger_reset = true;
+ return rc;
+ }
+
+ tx_info->tx_descs = nb_hw_desc;
+
+ tx_ring->tx_stats.cnt++;
+ tx_ring->tx_stats.bytes += mbuf->pkt_len;
+
+ tx_ring->next_to_use = ENA_IDX_NEXT_MASKED(next_to_use,
+ tx_ring->size_mask);
+
+ return 0;
+}
+
+static void ena_tx_cleanup(struct ena_ring *tx_ring)
+{
+ unsigned int cleanup_budget;
+ unsigned int total_tx_descs = 0;
+ uint16_t next_to_clean = tx_ring->next_to_clean;
+
+ cleanup_budget = RTE_MIN(tx_ring->ring_size / ENA_REFILL_THRESH_DIVIDER,
+ (unsigned int)ENA_REFILL_THRESH_PACKET);
+
+ while (likely(total_tx_descs < cleanup_budget)) {
+ struct rte_mbuf *mbuf;
+ struct ena_tx_buffer *tx_info;
+ uint16_t req_id;
+
+ if (ena_com_tx_comp_req_id_get(tx_ring->ena_com_io_cq, &req_id) != 0)
+ break;
+
+ if (unlikely(validate_tx_req_id(tx_ring, req_id) != 0))
+ break;
+
+ /* Get Tx info & store how many descs were processed */
+ tx_info = &tx_ring->tx_buffer_info[req_id];
+
+ mbuf = tx_info->mbuf;
+ rte_pktmbuf_free(mbuf);
+
+ tx_info->mbuf = NULL;
+ tx_ring->empty_tx_reqs[next_to_clean] = req_id;
+
+ total_tx_descs += tx_info->tx_descs;
+
+ /* Put back descriptor to the ring for reuse */
+ next_to_clean = ENA_IDX_NEXT_MASKED(next_to_clean,
+ tx_ring->size_mask);
+ }
+
+ if (likely(total_tx_descs > 0)) {
+ /* acknowledge completion of sent packets */
+ tx_ring->next_to_clean = next_to_clean;
+ ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
+ ena_com_update_dev_comp_head(tx_ring->ena_com_io_cq);
+ }
}
static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
{
struct ena_ring *tx_ring = (struct ena_ring *)(tx_queue);
- uint16_t next_to_use = tx_ring->next_to_use;
- uint16_t next_to_clean = tx_ring->next_to_clean;
- struct rte_mbuf *mbuf;
- unsigned int ring_size = tx_ring->ring_size;
- unsigned int ring_mask = ring_size - 1;
- struct ena_com_tx_ctx ena_tx_ctx;
- struct ena_tx_buffer *tx_info;
- struct ena_com_buf *ebuf;
- uint16_t rc, req_id, total_tx_descs = 0;
- uint16_t sent_idx = 0, empty_tx_reqs;
- int nb_hw_desc;
+ uint16_t sent_idx = 0;
+#ifdef RTE_ETHDEV_DEBUG_TX
/* Check adapter state */
if (unlikely(tx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
- RTE_LOG(ALERT, PMD,
+ PMD_TX_LOG(ALERT,
"Trying to xmit pkts while device is NOT running\n");
return 0;
}
-
- empty_tx_reqs = ring_size - (next_to_use - next_to_clean);
- if (nb_pkts > empty_tx_reqs)
- nb_pkts = empty_tx_reqs;
+#endif
for (sent_idx = 0; sent_idx < nb_pkts; sent_idx++) {
- mbuf = tx_pkts[sent_idx];
-
- rc = ena_check_and_linearize_mbuf(tx_ring, mbuf);
- if (unlikely(rc))
+ if (ena_xmit_mbuf(tx_ring, tx_pkts[sent_idx]))
break;
+ tx_ring->pkts_without_db = true;
+ rte_prefetch0(tx_pkts[ENA_IDX_ADD_MASKED(sent_idx, 4,
+ tx_ring->size_mask)]);
+ }
- req_id = tx_ring->empty_tx_reqs[next_to_use & ring_mask];
- tx_info = &tx_ring->tx_buffer_info[req_id];
- tx_info->mbuf = mbuf;
- tx_info->num_of_bufs = 0;
- ebuf = tx_info->bufs;
-
- /* Prepare TX context */
- memset(&ena_tx_ctx, 0x0, sizeof(struct ena_com_tx_ctx));
- memset(&ena_tx_ctx.ena_meta, 0x0,
- sizeof(struct ena_com_tx_meta));
- ena_tx_ctx.ena_bufs = ebuf;
- ena_tx_ctx.req_id = req_id;
- if (tx_ring->tx_mem_queue_type ==
- ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- /* prepare the push buffer with
- * virtual address of the data
- */
- ena_tx_ctx.header_len =
- RTE_MIN(mbuf->data_len,
- tx_ring->tx_max_header_size);
- ena_tx_ctx.push_header =
- (void *)((char *)mbuf->buf_addr +
- mbuf->data_off);
- } /* there's no else as we take advantage of memset zeroing */
+ tx_ring->tx_stats.available_desc =
+ ena_com_free_q_entries(tx_ring->ena_com_io_sq);
- /* Set TX offloads flags, if applicable */
- ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads);
+ /* If there are ready packets to be xmitted... */
+ if (likely(tx_ring->pkts_without_db)) {
+ /* ...let HW do its best :-) */
+ ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+ tx_ring->tx_stats.doorbells++;
+ tx_ring->pkts_without_db = false;
+ }
- if (unlikely(mbuf->ol_flags &
- (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD)))
- rte_atomic64_inc(&tx_ring->adapter->drv_stats->ierrors);
+ ena_tx_cleanup(tx_ring);
- rte_prefetch0(tx_pkts[(sent_idx + 4) & ring_mask]);
+ tx_ring->tx_stats.available_desc =
+ ena_com_free_q_entries(tx_ring->ena_com_io_sq);
+ tx_ring->tx_stats.tx_poll++;
- /* Process first segment taking into
- * consideration pushed header
- */
- if (mbuf->data_len > ena_tx_ctx.header_len) {
- ebuf->paddr = mbuf->buf_iova +
- mbuf->data_off +
- ena_tx_ctx.header_len;
- ebuf->len = mbuf->data_len - ena_tx_ctx.header_len;
- ebuf++;
- tx_info->num_of_bufs++;
- }
+ return sent_idx;
+}
- while ((mbuf = mbuf->next) != NULL) {
- ebuf->paddr = mbuf->buf_iova + mbuf->data_off;
- ebuf->len = mbuf->data_len;
- ebuf++;
- tx_info->num_of_bufs++;
+int ena_copy_eni_stats(struct ena_adapter *adapter)
+{
+ struct ena_admin_eni_stats admin_eni_stats;
+ int rc;
+
+ rte_spinlock_lock(&adapter->admin_lock);
+ rc = ena_com_get_eni_stats(&adapter->ena_dev, &admin_eni_stats);
+ rte_spinlock_unlock(&adapter->admin_lock);
+ if (rc != 0) {
+ if (rc == ENA_COM_UNSUPPORTED) {
+ PMD_DRV_LOG(DEBUG,
+ "Retrieving ENI metrics is not supported\n");
+ } else {
+ PMD_DRV_LOG(WARNING,
+ "Failed to get ENI metrics, rc: %d\n", rc);
}
+ return rc;
+ }
- ena_tx_ctx.num_bufs = tx_info->num_of_bufs;
+ rte_memcpy(&adapter->eni_stats, &admin_eni_stats,
+ sizeof(struct ena_stats_eni));
- /* Write data to device */
- rc = ena_com_prepare_tx(tx_ring->ena_com_io_sq,
- &ena_tx_ctx, &nb_hw_desc);
- if (unlikely(rc))
- break;
+ return 0;
+}
- tx_info->tx_descs = nb_hw_desc;
+/**
+ * DPDK callback to retrieve names of extended device statistics
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] xstats_names
+ * Buffer to insert names into.
+ * @param n
+ * Number of names.
+ *
+ * @return
+ * Number of xstats names.
+ */
+static int ena_xstats_get_names(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int n)
+{
+ unsigned int xstats_count = ena_xstats_calc_num(dev->data);
+ unsigned int stat, i, count = 0;
+
+ if (n < xstats_count || !xstats_names)
+ return xstats_count;
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++)
+ strcpy(xstats_names[count].name,
+ ena_stats_global_strings[stat].name);
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_ENI; stat++, count++)
+ strcpy(xstats_names[count].name,
+ ena_stats_eni_strings[stat].name);
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_RX; stat++)
+ for (i = 0; i < dev->data->nb_rx_queues; i++, count++)
+ snprintf(xstats_names[count].name,
+ sizeof(xstats_names[count].name),
+ "rx_q%d_%s", i,
+ ena_stats_rx_strings[stat].name);
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_TX; stat++)
+ for (i = 0; i < dev->data->nb_tx_queues; i++, count++)
+ snprintf(xstats_names[count].name,
+ sizeof(xstats_names[count].name),
+ "tx_q%d_%s", i,
+ ena_stats_tx_strings[stat].name);
+
+ return xstats_count;
+}
+
+/**
+ * DPDK callback to get extended device statistics.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] stats
+ * Stats table output buffer.
+ * @param n
+ * The size of the stats table.
+ *
+ * @return
+ * Number of xstats on success, negative on failure.
+ */
+static int ena_xstats_get(struct rte_eth_dev *dev,
+ struct rte_eth_xstat *xstats,
+ unsigned int n)
+{
+ struct ena_adapter *adapter = dev->data->dev_private;
+ unsigned int xstats_count = ena_xstats_calc_num(dev->data);
+ unsigned int stat, i, count = 0;
+ int stat_offset;
+ void *stats_begin;
+
+ if (n < xstats_count)
+ return xstats_count;
+
+ if (!xstats)
+ return 0;
- next_to_use++;
+ for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++) {
+ stat_offset = ena_stats_global_strings[stat].stat_offset;
+ stats_begin = &adapter->dev_stats;
+
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
}
- /* If there are ready packets to be xmitted... */
- if (sent_idx > 0) {
- /* ...let HW do its best :-) */
- rte_wmb();
- ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+ /* Even if the function below fails, we should copy previous (or initial
+ * values) to keep structure of rte_eth_xstat consistent.
+ */
+ ena_copy_eni_stats(adapter);
+ for (stat = 0; stat < ENA_STATS_ARRAY_ENI; stat++, count++) {
+ stat_offset = ena_stats_eni_strings[stat].stat_offset;
+ stats_begin = &adapter->eni_stats;
- tx_ring->next_to_use = next_to_use;
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
}
- /* Clear complete packets */
- while (ena_com_tx_comp_req_id_get(tx_ring->ena_com_io_cq, &req_id) >= 0) {
- rc = validate_tx_req_id(tx_ring, req_id);
- if (rc)
- break;
+ for (stat = 0; stat < ENA_STATS_ARRAY_RX; stat++) {
+ for (i = 0; i < dev->data->nb_rx_queues; i++, count++) {
+ stat_offset = ena_stats_rx_strings[stat].stat_offset;
+ stats_begin = &adapter->rx_ring[i].rx_stats;
- /* Get Tx info & store how many descs were processed */
- tx_info = &tx_ring->tx_buffer_info[req_id];
- total_tx_descs += tx_info->tx_descs;
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
+ }
+ }
- /* Free whole mbuf chain */
- mbuf = tx_info->mbuf;
- rte_pktmbuf_free(mbuf);
- tx_info->mbuf = NULL;
+ for (stat = 0; stat < ENA_STATS_ARRAY_TX; stat++) {
+ for (i = 0; i < dev->data->nb_tx_queues; i++, count++) {
+ stat_offset = ena_stats_tx_strings[stat].stat_offset;
+ stats_begin = &adapter->tx_ring[i].rx_stats;
- /* Put back descriptor to the ring for reuse */
- tx_ring->empty_tx_reqs[next_to_clean & ring_mask] = req_id;
- next_to_clean++;
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
+ }
+ }
- /* If too many descs to clean, leave it for another run */
- if (unlikely(total_tx_descs > ENA_RING_DESCS_RATIO(ring_size)))
- break;
+ return count;
+}
+
+static int ena_xstats_get_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ uint64_t *values,
+ unsigned int n)
+{
+ struct ena_adapter *adapter = dev->data->dev_private;
+ uint64_t id;
+ uint64_t rx_entries, tx_entries;
+ unsigned int i;
+ int qid;
+ int valid = 0;
+ bool was_eni_copied = false;
+
+ for (i = 0; i < n; ++i) {
+ id = ids[i];
+ /* Check if id belongs to global statistics */
+ if (id < ENA_STATS_ARRAY_GLOBAL) {
+ values[i] = *((uint64_t *)&adapter->dev_stats + id);
+ ++valid;
+ continue;
+ }
+
+ /* Check if id belongs to ENI statistics */
+ id -= ENA_STATS_ARRAY_GLOBAL;
+ if (id < ENA_STATS_ARRAY_ENI) {
+ /* Avoid reading ENI stats multiple times in a single
+ * function call, as it requires communication with the
+ * admin queue.
+ */
+ if (!was_eni_copied) {
+ was_eni_copied = true;
+ ena_copy_eni_stats(adapter);
+ }
+ values[i] = *((uint64_t *)&adapter->eni_stats + id);
+ ++valid;
+ continue;
+ }
+
+ /* Check if id belongs to rx queue statistics */
+ id -= ENA_STATS_ARRAY_ENI;
+ rx_entries = ENA_STATS_ARRAY_RX * dev->data->nb_rx_queues;
+ if (id < rx_entries) {
+ qid = id % dev->data->nb_rx_queues;
+ id /= dev->data->nb_rx_queues;
+ values[i] = *((uint64_t *)
+ &adapter->rx_ring[qid].rx_stats + id);
+ ++valid;
+ continue;
+ }
+ /* Check if id belongs to rx queue statistics */
+ id -= rx_entries;
+ tx_entries = ENA_STATS_ARRAY_TX * dev->data->nb_tx_queues;
+ if (id < tx_entries) {
+ qid = id % dev->data->nb_tx_queues;
+ id /= dev->data->nb_tx_queues;
+ values[i] = *((uint64_t *)
+ &adapter->tx_ring[qid].tx_stats + id);
+ ++valid;
+ continue;
+ }
}
- if (total_tx_descs > 0) {
- /* acknowledge completion of sent packets */
- ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
- tx_ring->next_to_clean = next_to_clean;
+ return valid;
+}
+
+static int ena_process_bool_devarg(const char *key,
+ const char *value,
+ void *opaque)
+{
+ struct ena_adapter *adapter = opaque;
+ bool bool_value;
+
+ /* Parse the value. */
+ if (strcmp(value, "1") == 0) {
+ bool_value = true;
+ } else if (strcmp(value, "0") == 0) {
+ bool_value = false;
+ } else {
+ PMD_INIT_LOG(ERR,
+ "Invalid value: '%s' for key '%s'. Accepted: '0' or '1'\n",
+ value, key);
+ return -EINVAL;
}
- return sent_idx;
+ /* Now, assign it to the proper adapter field. */
+ if (strcmp(key, ENA_DEVARG_LARGE_LLQ_HDR) == 0)
+ adapter->use_large_llq_hdr = bool_value;
+
+ return 0;
+}
+
+static int ena_parse_devargs(struct ena_adapter *adapter,
+ struct rte_devargs *devargs)
+{
+ static const char * const allowed_args[] = {
+ ENA_DEVARG_LARGE_LLQ_HDR,
+ NULL,
+ };
+ struct rte_kvargs *kvlist;
+ int rc;
+
+ if (devargs == NULL)
+ return 0;
+
+ kvlist = rte_kvargs_parse(devargs->args, allowed_args);
+ if (kvlist == NULL) {
+ PMD_INIT_LOG(ERR, "Invalid device arguments: %s\n",
+ devargs->args);
+ return -EINVAL;
+ }
+
+ rc = rte_kvargs_process(kvlist, ENA_DEVARG_LARGE_LLQ_HDR,
+ ena_process_bool_devarg, adapter);
+
+ rte_kvargs_free(kvlist);
+
+ return rc;
}
/*********************************************************************
RTE_PMD_REGISTER_PCI(net_ena, rte_ena_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_ena, pci_id_ena_map);
RTE_PMD_REGISTER_KMOD_DEP(net_ena, "* igb_uio | uio_pci_generic | vfio-pci");
-
-RTE_INIT(ena_init_log)
-{
- ena_logtype_init = rte_log_register("pmd.net.ena.init");
- if (ena_logtype_init >= 0)
- rte_log_set_level(ena_logtype_init, RTE_LOG_NOTICE);
- ena_logtype_driver = rte_log_register("pmd.net.ena.driver");
- if (ena_logtype_driver >= 0)
- rte_log_set_level(ena_logtype_driver, RTE_LOG_NOTICE);
-}
+RTE_PMD_REGISTER_PARAM_STRING(net_ena, ENA_DEVARG_LARGE_LLQ_HDR "=<0|1>");
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_init, init, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_driver, driver, NOTICE);
+#ifdef RTE_ETHDEV_DEBUG_RX
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_rx, rx, DEBUG);
+#endif
+#ifdef RTE_ETHDEV_DEBUG_TX
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_tx, tx, DEBUG);
+#endif
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_com, com, WARNING);
/******************************************************************************
******************************** AENQ Handlers *******************************
static void ena_update_on_link_change(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
- struct rte_eth_dev *eth_dev;
- struct ena_adapter *adapter;
+ struct rte_eth_dev *eth_dev = adapter_data;
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
struct ena_admin_aenq_link_change_desc *aenq_link_desc;
uint32_t status;
- adapter = (struct ena_adapter *)adapter_data;
aenq_link_desc = (struct ena_admin_aenq_link_change_desc *)aenq_e;
- eth_dev = adapter->rte_dev;
status = get_ena_admin_aenq_link_change_desc_link_status(aenq_link_desc);
adapter->link_status = status;
ena_link_update(eth_dev, 0);
- _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+ rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
}
-static void ena_notification(void *data,
+static void ena_notification(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
- struct ena_adapter *adapter = (struct ena_adapter *)data;
+ struct rte_eth_dev *eth_dev = adapter_data;
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
struct ena_admin_ena_hw_hints *hints;
if (aenq_e->aenq_common_desc.group != ENA_ADMIN_NOTIFICATION)
- RTE_LOG(WARNING, PMD, "Invalid group(%x) expected %x\n",
+ PMD_DRV_LOG(WARNING, "Invalid AENQ group: %x. Expected: %x\n",
aenq_e->aenq_common_desc.group,
ENA_ADMIN_NOTIFICATION);
- switch (aenq_e->aenq_common_desc.syndrom) {
+ switch (aenq_e->aenq_common_desc.syndrome) {
case ENA_ADMIN_UPDATE_HINTS:
hints = (struct ena_admin_ena_hw_hints *)
(&aenq_e->inline_data_w4);
ena_update_hints(adapter, hints);
break;
default:
- RTE_LOG(ERR, PMD, "Invalid aenq notification link state %d\n",
- aenq_e->aenq_common_desc.syndrom);
+ PMD_DRV_LOG(ERR, "Invalid AENQ notification link state: %d\n",
+ aenq_e->aenq_common_desc.syndrome);
}
}
static void ena_keep_alive(void *adapter_data,
__rte_unused struct ena_admin_aenq_entry *aenq_e)
{
- struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
+ struct rte_eth_dev *eth_dev = adapter_data;
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
+ struct ena_admin_aenq_keep_alive_desc *desc;
+ uint64_t rx_drops;
+ uint64_t tx_drops;
adapter->timestamp_wd = rte_get_timer_cycles();
+
+ desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e;
+ rx_drops = ((uint64_t)desc->rx_drops_high << 32) | desc->rx_drops_low;
+ tx_drops = ((uint64_t)desc->tx_drops_high << 32) | desc->tx_drops_low;
+
+ adapter->drv_stats->rx_drops = rx_drops;
+ adapter->dev_stats.tx_drops = tx_drops;
}
/**
static void unimplemented_aenq_handler(__rte_unused void *data,
__rte_unused struct ena_admin_aenq_entry *aenq_e)
{
- RTE_LOG(ERR, PMD, "Unknown event was received or event with "
- "unimplemented handler\n");
+ PMD_DRV_LOG(ERR,
+ "Unknown event was received or event with unimplemented handler\n");
}
static struct ena_aenq_handlers aenq_handlers = {
git.droids-corp.org / dpdk.git / blobdiff