-/*-
-* 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 <rte_tcp.h>
-#include <rte_atomic.h>
-#include <rte_dev.h>
#include <rte_errno.h>
#include <rte_version.h>
#include <rte_net.h>
+#include <rte_kvargs.h>
#include "ena_ethdev.h"
#include "ena_logs.h"
#include <ena_eth_io_defs.h>
#define DRV_MODULE_VER_MAJOR 2
-#define DRV_MODULE_VER_MINOR 0
-#define DRV_MODULE_VER_SUBMINOR 1
-
-#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 DRV_MODULE_VER_MINOR 5
+#define DRV_MODULE_VER_SUBMINOR 0
#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 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 ETH_GSTRING_LEN 32
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define ARRAY_SIZE(x) RTE_DIM(x)
#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,
#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)
-#define ENA_MAX_RING_SIZE_RX 8192
-#define ENA_MAX_RING_SIZE_TX 1024
+/* 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(wd_expired),
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(doorbells),
ENA_STAT_TX_ENTRY(bad_req_id),
ENA_STAT_TX_ENTRY(available_desc),
+ ENA_STAT_TX_ENTRY(missed_tx),
};
static const struct ena_stats ena_stats_rx_strings[] = {
};
#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 QUEUE_OFFLOADS (DEV_TX_OFFLOAD_TCP_CKSUM |\
- DEV_TX_OFFLOAD_UDP_CKSUM |\
- DEV_TX_OFFLOAD_IPV4_CKSUM |\
- DEV_TX_OFFLOAD_TCP_TSO)
-#define MBUF_OFFLOADS (PKT_TX_L4_MASK |\
- PKT_TX_IP_CKSUM |\
- PKT_TX_TCP_SEG)
+#define QUEUE_OFFLOADS (RTE_ETH_TX_OFFLOAD_TCP_CKSUM |\
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM |\
+ RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |\
+ RTE_ETH_TX_OFFLOAD_TCP_TSO)
+#define MBUF_OFFLOADS (RTE_MBUF_F_TX_L4_MASK |\
+ RTE_MBUF_F_TX_IP_CKSUM |\
+ RTE_MBUF_F_TX_TCP_SEG)
/** 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 | \
- PKT_TX_IPV6 | \
- PKT_TX_IPV4 | \
- PKT_TX_IP_CKSUM | \
- PKT_TX_TCP_SEG)
+#define ENA_TX_OFFLOAD_MASK (RTE_MBUF_F_TX_L4_MASK | \
+ RTE_MBUF_F_TX_IPV6 | \
+ RTE_MBUF_F_TX_IPV4 | \
+ RTE_MBUF_F_TX_IP_CKSUM | \
+ RTE_MBUF_F_TX_TCP_SEG)
#define ENA_TX_OFFLOAD_NOTSUP_MASK \
- (PKT_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
-
-int ena_logtype_init;
-int ena_logtype_driver;
+ (RTE_MBUF_F_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
+
+/** HW specific offloads capabilities. */
+/* IPv4 checksum offload. */
+#define ENA_L3_IPV4_CSUM 0x0001
+/* TCP/UDP checksum offload for IPv4 packets. */
+#define ENA_L4_IPV4_CSUM 0x0002
+/* TCP/UDP checksum offload for IPv4 packets with pseudo header checksum. */
+#define ENA_L4_IPV4_CSUM_PARTIAL 0x0004
+/* TCP/UDP checksum offload for IPv6 packets. */
+#define ENA_L4_IPV6_CSUM 0x0008
+/* TCP/UDP checksum offload for IPv6 packets with pseudo header checksum. */
+#define ENA_L4_IPV6_CSUM_PARTIAL 0x0010
+/* TSO support for IPv4 packets. */
+#define ENA_IPV4_TSO 0x0020
+
+/* Device supports setting RSS hash. */
+#define ENA_RX_RSS_HASH 0x0040
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 void ena_tx_queue_release_all(struct rte_eth_dev *dev);
-static void ena_rx_queue_release(void *queue);
-static void ena_tx_queue_release(void *queue);
+static void ena_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
+static void ena_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
static void ena_rx_queue_release_bufs(struct ena_ring *ring);
static void ena_tx_queue_release_bufs(struct ena_ring *ring);
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 int ena_create_io_queue(struct rte_eth_dev *dev, struct ena_ring *ring);
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(struct rte_eth_dev *dev, 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_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 uint64_t ena_get_rx_port_offloads(struct ena_adapter *adapter);
+static uint64_t ena_get_tx_port_offloads(struct ena_adapter *adapter);
+static uint64_t ena_get_rx_queue_offloads(struct ena_adapter *adapter);
+static uint64_t ena_get_tx_queue_offloads(struct ena_adapter *adapter);
+static int ena_infos_get(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info);
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);
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 int ena_setup_rx_intr(struct rte_eth_dev *dev);
+static int ena_rx_queue_intr_enable(struct rte_eth_dev *dev,
+ uint16_t queue_id);
+static int ena_rx_queue_intr_disable(struct rte_eth_dev *dev,
+ uint16_t queue_id);
static const struct eth_dev_ops ena_dev_ops = {
.dev_configure = ena_dev_configure,
.dev_reset = ena_dev_reset,
.reta_update = ena_rss_reta_update,
.reta_query = ena_rss_reta_query,
+ .rx_queue_intr_enable = ena_rx_queue_intr_enable,
+ .rx_queue_intr_disable = ena_rx_queue_intr_disable,
+ .rss_hash_update = ena_rss_hash_update,
+ .rss_hash_conf_get = ena_rss_hash_conf_get,
};
static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
- struct ena_com_rx_ctx *ena_rx_ctx)
+ struct ena_com_rx_ctx *ena_rx_ctx,
+ bool fill_hash)
{
uint64_t ol_flags = 0;
uint32_t packet_type = 0;
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 |= RTE_MBUF_F_RX_IP_CKSUM_BAD;
+ else
+ ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_GOOD;
+ } else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6) {
packet_type |= RTE_PTYPE_L3_IPV6;
+ }
+
+ if (!ena_rx_ctx->l4_csum_checked || ena_rx_ctx->frag)
+ ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_UNKNOWN;
+ else
+ if (unlikely(ena_rx_ctx->l4_csum_err))
+ ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_BAD;
+ else
+ ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_GOOD;
- 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 (fill_hash &&
+ likely((packet_type & ENA_PTYPE_HAS_HASH) && !ena_rx_ctx->frag)) {
+ ol_flags |= RTE_MBUF_F_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;
if ((mbuf->ol_flags & MBUF_OFFLOADS) &&
(queue_offloads & QUEUE_OFFLOADS)) {
/* check if TSO is required */
- if ((mbuf->ol_flags & PKT_TX_TCP_SEG) &&
- (queue_offloads & DEV_TX_OFFLOAD_TCP_TSO)) {
+ if ((mbuf->ol_flags & RTE_MBUF_F_TX_TCP_SEG) &&
+ (queue_offloads & RTE_ETH_TX_OFFLOAD_TCP_TSO)) {
ena_tx_ctx->tso_enable = true;
ena_meta->l4_hdr_len = GET_L4_HDR_LEN(mbuf);
}
/* check if L3 checksum is needed */
- if ((mbuf->ol_flags & PKT_TX_IP_CKSUM) &&
- (queue_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM))
+ if ((mbuf->ol_flags & RTE_MBUF_F_TX_IP_CKSUM) &&
+ (queue_offloads & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM))
ena_tx_ctx->l3_csum_enable = true;
- if (mbuf->ol_flags & PKT_TX_IPV6) {
+ if (mbuf->ol_flags & RTE_MBUF_F_TX_IPV6) {
ena_tx_ctx->l3_proto = ENA_ETH_IO_L3_PROTO_IPV6;
} else {
ena_tx_ctx->l3_proto = ENA_ETH_IO_L3_PROTO_IPV4;
}
/* check if L4 checksum is needed */
- if ((mbuf->ol_flags & PKT_TX_TCP_CKSUM) &&
- (queue_offloads & DEV_TX_OFFLOAD_TCP_CKSUM)) {
+ if (((mbuf->ol_flags & RTE_MBUF_F_TX_L4_MASK) == RTE_MBUF_F_TX_TCP_CKSUM) &&
+ (queue_offloads & RTE_ETH_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 & RTE_MBUF_F_TX_L4_MASK) ==
+ RTE_MBUF_F_TX_UDP_CKSUM) &&
+ (queue_offloads & RTE_ETH_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;
- ++rx_ring->rx_stats.bad_req_id;
-
- 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;
/* 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;
}
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 |
+ ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_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;
}
}
/* This function calculates the number of xstats based on the current config */
-static unsigned int ena_xstats_calc_num(struct rte_eth_dev *dev)
+static unsigned int ena_xstats_calc_num(struct rte_eth_dev_data *data)
{
- return ENA_STATS_ARRAY_GLOBAL +
- (dev->data->nb_tx_queues * ENA_STATS_ARRAY_TX) +
- (dev->data->nb_rx_queues * ENA_STATS_ARRAY_RX);
+ 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_xstats_calc_num(adapter->rte_dev);
+ 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 rte_intr_handle *intr_handle = pci_dev->intr_handle;
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
{
int rc = 0;
+ /* 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;
+ }
+
ena_destroy_device(dev);
rc = eth_ena_dev_init(dev);
if (rc)
- PMD_INIT_LOG(CRIT, "Cannot initialize device");
-
- 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 = dev->data->dev_private;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int rc, i;
- u16 entry_value;
- int conf_idx;
- int idx;
-
- if ((reta_size == 0) || (reta_conf == NULL))
- return -EINVAL;
-
- if (reta_size > ENA_RX_RSS_TABLE_SIZE) {
- RTE_LOG(WARNING, PMD,
- "indirection table %d is bigger than supported (%d)\n",
- reta_size, ENA_RX_RSS_TABLE_SIZE);
- return -EINVAL;
- }
-
- for (i = 0 ; i < reta_size ; i++) {
- /* each reta_conf is for 64 entries.
- * to support 128 we use 2 conf of 64
- */
- conf_idx = i / RTE_RETA_GROUP_SIZE;
- idx = i % RTE_RETA_GROUP_SIZE;
- if (TEST_BIT(reta_conf[conf_idx].mask, idx)) {
- entry_value =
- ENA_IO_RXQ_IDX(reta_conf[conf_idx].reta[idx]);
-
- rc = ena_com_indirect_table_fill_entry(ena_dev,
- i,
- entry_value);
- if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- RTE_LOG(ERR, PMD,
- "Cannot fill indirect table\n");
- return rc;
- }
- }
- }
-
- 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");
- return rc;
- }
-
- RTE_LOG(DEBUG, PMD, "%s(): RSS configured %d entries for port %d\n",
- __func__, reta_size, adapter->rte_dev->data->port_id);
-
- return 0;
-}
-
-/* Query redirection table. */
-static int ena_rss_reta_query(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf,
- uint16_t reta_size)
-{
- struct ena_adapter *adapter = dev->data->dev_private;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int rc;
- int i;
- u32 indirect_table[ENA_RX_RSS_TABLE_SIZE] = {0};
- int reta_conf_idx;
- int reta_idx;
-
- if (reta_size == 0 || reta_conf == NULL ||
- (reta_size > RTE_RETA_GROUP_SIZE && ((reta_conf + 1) == NULL)))
- return -EINVAL;
-
- rc = ena_com_indirect_table_get(ena_dev, indirect_table);
- if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- RTE_LOG(ERR, PMD, "cannot get indirect table\n");
- return -ENOTSUP;
- }
-
- for (i = 0 ; i < reta_size ; i++) {
- reta_conf_idx = i / RTE_RETA_GROUP_SIZE;
- reta_idx = i % RTE_RETA_GROUP_SIZE;
- if (TEST_BIT(reta_conf[reta_conf_idx].mask, reta_idx))
- reta_conf[reta_conf_idx].reta[reta_idx] =
- ENA_IO_RXQ_IDX_REV(indirect_table[i]);
- }
-
- return 0;
-}
-
-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;
- 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");
- goto err_rss_init;
- }
-
- for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) {
- val = i % nb_rx_queues;
- 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");
- 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");
- 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");
- 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");
- goto err_fill_indir;
- }
- RTE_LOG(DEBUG, PMD, "RSS configured for port %d\n",
- adapter->rte_dev->data->port_id);
-
- return 0;
-
-err_fill_indir:
- ena_com_rss_destroy(ena_dev);
-err_rss_init:
+ PMD_INIT_LOG(CRIT, "Cannot initialize device\n");
return rc;
}
static void ena_rx_queue_release_all(struct rte_eth_dev *dev)
{
- struct ena_ring **queues = (struct ena_ring **)dev->data->rx_queues;
int nb_queues = dev->data->nb_rx_queues;
int i;
for (i = 0; i < nb_queues; i++)
- ena_rx_queue_release(queues[i]);
+ ena_rx_queue_release(dev, i);
}
static void ena_tx_queue_release_all(struct rte_eth_dev *dev)
{
- struct ena_ring **queues = (struct ena_ring **)dev->data->tx_queues;
int nb_queues = dev->data->nb_tx_queues;
int i;
for (i = 0; i < nb_queues; i++)
- ena_tx_queue_release(queues[i]);
+ ena_tx_queue_release(dev, i);
}
-static void ena_rx_queue_release(void *queue)
+static void ena_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
{
- struct ena_ring *ring = (struct ena_ring *)queue;
+ struct ena_ring *ring = dev->data->rx_queues[qid];
/* Free ring resources */
if (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);
}
-static void ena_tx_queue_release(void *queue)
+static void ena_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
{
- struct ena_ring *ring = (struct ena_ring *)queue;
+ struct ena_ring *ring = dev->data->tx_queues[qid];
/* Free ring resources */
if (ring->push_buf_intermediate_buf)
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);
}
{
unsigned int i;
- for (i = 0; i < ring->ring_size; ++i)
- if (ring->rx_buffer_info[i]) {
- rte_mbuf_raw_free(ring->rx_buffer_info[i]);
- ring->rx_buffer_info[i] = NULL;
+ 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;
}
+ }
}
static void ena_tx_queue_release_bufs(struct ena_ring *ring)
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);
+ tx_buf->mbuf = NULL;
+ }
}
}
struct rte_eth_link *link = &dev->data->dev_link;
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;
- link->link_duplex = ETH_LINK_FULL_DUPLEX;
+ link->link_status = adapter->link_status ? RTE_ETH_LINK_UP : RTE_ETH_LINK_DOWN;
+ link->link_speed = RTE_ETH_SPEED_NUM_NONE;
+ link->link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
return 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_start(&queues[i]);
+ rc = ena_queue_start(dev, &queues[i]);
if (rc) {
PMD_INIT_LOG(ERR,
- "failed to start queue %d type(%d)",
- i, ring_type);
+ "Failed to start queue[%d] of type(%d)\n",
+ i, ring_type);
goto err;
}
}
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 &
- DEV_RX_OFFLOAD_JUMBO_FRAME)
- max_frame_len =
- adapter->rte_eth_dev_data->dev_conf.rxmode.max_rx_pkt_len;
-
- return max_frame_len;
-}
-
static int ena_check_valid_conf(struct ena_adapter *adapter)
{
- uint32_t max_frame_len = ena_get_mtu_conf(adapter);
+ uint32_t mtu = adapter->edev_data->mtu;
- 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",
- max_frame_len, adapter->max_mtu, ENA_MIN_MTU);
+ if (mtu > adapter->max_mtu || mtu < ENA_MIN_MTU) {
+ PMD_INIT_LOG(ERR,
+ "Unsupported MTU of %d. Max MTU: %d, min MTU: %d\n",
+ mtu, adapter->max_mtu, ENA_MIN_MTU);
return ENA_COM_UNSUPPORTED;
}
}
static int
-ena_calc_queue_size(struct ena_calc_queue_size_ctx *ctx)
+ena_calc_io_queue_size(struct ena_calc_queue_size_ctx *ctx,
+ bool use_large_llq_hdr)
{
struct ena_admin_feature_llq_desc *llq = &ctx->get_feat_ctx->llq;
struct ena_com_dev *ena_dev = ctx->ena_dev;
- uint32_t tx_queue_size = ENA_MAX_RING_SIZE_TX;
- uint32_t rx_queue_size = ENA_MAX_RING_SIZE_RX;
+ 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;
- rx_queue_size = RTE_MIN(rx_queue_size,
- max_queue_ext->max_rx_cq_depth);
- rx_queue_size = RTE_MIN(rx_queue_size,
+ max_rx_queue_size = RTE_MIN(max_queue_ext->max_rx_cq_depth,
max_queue_ext->max_rx_sq_depth);
- tx_queue_size = RTE_MIN(tx_queue_size,
- max_queue_ext->max_tx_cq_depth);
+ max_tx_queue_size = max_queue_ext->max_tx_cq_depth;
if (ena_dev->tx_mem_queue_type ==
ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- tx_queue_size = RTE_MIN(tx_queue_size,
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
llq->max_llq_depth);
} else {
- tx_queue_size = RTE_MIN(tx_queue_size,
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
max_queue_ext->max_tx_sq_depth);
}
} else {
struct ena_admin_queue_feature_desc *max_queues =
&ctx->get_feat_ctx->max_queues;
- rx_queue_size = RTE_MIN(rx_queue_size,
- max_queues->max_cq_depth);
- rx_queue_size = RTE_MIN(rx_queue_size,
+ max_rx_queue_size = RTE_MIN(max_queues->max_cq_depth,
max_queues->max_sq_depth);
- tx_queue_size = RTE_MIN(tx_queue_size,
- max_queues->max_cq_depth);
+ max_tx_queue_size = max_queues->max_cq_depth;
if (ena_dev->tx_mem_queue_type ==
ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- tx_queue_size = RTE_MIN(tx_queue_size,
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
llq->max_llq_depth);
} else {
- tx_queue_size = RTE_MIN(tx_queue_size,
+ max_tx_queue_size = RTE_MIN(max_tx_queue_size,
max_queues->max_sq_depth);
}
ctx->max_rx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
- max_queues->max_packet_tx_descs);
- ctx->max_tx_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 */
- rx_queue_size = rte_align32prevpow2(rx_queue_size);
- tx_queue_size = rte_align32prevpow2(tx_queue_size);
+ 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(rx_queue_size == 0 || tx_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;
}
- ctx->rx_queue_size = rx_queue_size;
- ctx->tx_queue_size = tx_queue_size;
+ ctx->max_tx_queue_size = max_tx_queue_size;
+ ctx->max_rx_queue_size = max_rx_queue_size;
return 0;
}
rte_atomic64_init(&adapter->drv_stats->ierrors);
rte_atomic64_init(&adapter->drv_stats->oerrors);
rte_atomic64_init(&adapter->drv_stats->rx_nombuf);
- rte_atomic64_init(&adapter->drv_stats->rx_drops);
+ adapter->drv_stats->rx_drops = 0;
}
static int ena_stats_get(struct rte_eth_dev *dev,
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\n");
+ PMD_DRV_LOG(ERR, "Could not retrieve statistics from ENA\n");
return rc;
}
ena_stats.tx_bytes_low);
/* Driver related stats */
- stats->imissed = rte_atomic64_read(&adapter->drv_stats->rx_drops);
+ 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);
ena_dev = &adapter->ena_dev;
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",
- mtu, ena_get_mtu_conf(adapter), ENA_MIN_MTU);
+ if (mtu > adapter->max_mtu || mtu < ENA_MIN_MTU) {
+ PMD_DRV_LOG(ERR,
+ "Invalid MTU setting. New MTU: %d, max MTU: %d, min MTU: %d\n",
+ mtu, adapter->max_mtu, 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;
}
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_setup_rx_intr(dev);
+ if (rc)
+ return rc;
+
rc = ena_queue_start_all(dev, ENA_RING_TYPE_RX);
if (rc)
return rc;
if (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) {
- rc = ena_rss_init_default(adapter);
+ if (adapter->edev_data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
+ rc = ena_rss_configure(adapter);
if (rc)
goto err_rss_init;
}
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 rc;
}
-static void ena_stop(struct rte_eth_dev *dev)
+static int ena_stop(struct rte_eth_dev *dev)
{
struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
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_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)
- RTE_LOG(ERR, PMD, "Device reset failed rc=%d\n", rc);
+ PMD_DRV_LOG(ERR, "Device reset failed, rc: %d\n", rc);
}
+ rte_intr_disable(intr_handle);
+
+ rte_intr_efd_disable(intr_handle);
+
+ /* Cleanup vector list */
+ rte_intr_vec_list_free(intr_handle);
+
+ rte_intr_enable(intr_handle);
+
++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)
+static int ena_create_io_queue(struct rte_eth_dev *dev, struct ena_ring *ring)
{
- struct ena_adapter *adapter;
- struct ena_com_dev *ena_dev;
+ struct ena_adapter *adapter = ring->adapter;
+ struct ena_com_dev *ena_dev = &adapter->ena_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_com_create_io_ctx ctx =
/* policy set to _HOST just to satisfy icc compiler */
{ ENA_ADMIN_PLACEMENT_POLICY_HOST,
unsigned int i;
int rc;
- adapter = ring->adapter;
- ena_dev = &adapter->ena_dev;
-
+ ctx.msix_vector = -1;
if (ring->type == ENA_RING_TYPE_TX) {
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;
+ if (rte_intr_dp_is_en(intr_handle))
+ ctx.msix_vector =
+ rte_intr_vec_list_index_get(intr_handle,
+ ring->id);
+
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 = 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;
if (ring->type == ENA_RING_TYPE_TX)
ena_com_update_numa_node(ring->ena_com_io_cq, ctx.numa_node);
+ /* Start with Rx interrupts being masked. */
+ if (ring->type == ENA_RING_TYPE_RX && rte_intr_dp_is_en(intr_handle))
+ ena_rx_queue_intr_disable(dev, ring->id);
+
return 0;
}
ena_queue_stop(&queues[i]);
}
-static int ena_queue_start(struct ena_ring *ring)
+static int ena_queue_start(struct rte_eth_dev *dev, struct ena_ring *ring)
{
int rc, bufs_num;
ena_assert_msg(ring->configured == 1,
"Trying to start unconfigured queue\n");
- rc = ena_create_io_queue(ring);
+ rc = ena_create_io_queue(dev, ring);
if (rc) {
- PMD_INIT_LOG(ERR, "Failed to create IO queue!");
+ PMD_INIT_LOG(ERR, "Failed to create IO queue\n");
return rc;
}
if (ring->type == ENA_RING_TYPE_TX) {
ring->tx_stats.available_desc =
- ena_com_free_desc(ring->ena_com_io_sq);
+ ena_com_free_q_entries(ring->ena_com_io_sq);
return 0;
}
if (rc != bufs_num) {
ena_com_destroy_io_queue(&ring->adapter->ena_dev,
ENA_IO_RXQ_IDX(ring->id));
- PMD_INIT_LOG(ERR, "Failed to populate rx ring !");
+ 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;
}
struct ena_ring *txq = NULL;
struct ena_adapter *adapter = dev->data->dev_private;
unsigned int i;
+ uint16_t dyn_thresh;
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.\n",
+ 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;
}
- if (nb_desc == RTE_ETH_DEV_FALLBACK_TX_RINGSIZE)
- nb_desc = adapter->tx_ring_size;
-
txq->port_id = dev->data->port_id;
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->last_cleanup_ticks = 0;
- txq->tx_buffer_info = rte_zmalloc("txq->tx_buffer_info",
- sizeof(struct ena_tx_buffer) *
- txq->ring_size,
- RTE_CACHE_LINE_SIZE);
+ txq->tx_buffer_info = rte_zmalloc_socket("txq->tx_buffer_info",
+ sizeof(struct ena_tx_buffer) * txq->ring_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
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;
}
- txq->empty_tx_reqs = rte_zmalloc("txq->empty_tx_reqs",
- sizeof(u16) * txq->ring_size,
- RTE_CACHE_LINE_SIZE);
+ txq->empty_tx_reqs = rte_zmalloc_socket("txq->empty_tx_reqs",
+ sizeof(uint16_t) * txq->ring_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
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);
+ rte_zmalloc_socket("txq->push_buf_intermediate_buf",
+ txq->tx_max_header_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!txq->push_buf_intermediate_buf) {
- RTE_LOG(ERR, PMD, "failed to alloc push buff for LLQ\n");
+ 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;
for (i = 0; i < txq->ring_size; i++)
txq->empty_tx_reqs[i] = i;
- if (tx_conf != NULL) {
- txq->offloads =
- tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
+ txq->offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
+
+ /* Check if caller provided the Tx cleanup threshold value. */
+ if (tx_conf->tx_free_thresh != 0) {
+ txq->tx_free_thresh = tx_conf->tx_free_thresh;
+ } else {
+ dyn_thresh = txq->ring_size -
+ txq->ring_size / ENA_REFILL_THRESH_DIVIDER;
+ txq->tx_free_thresh = RTE_MAX(dyn_thresh,
+ txq->ring_size - ENA_REFILL_THRESH_PACKET);
}
+
+ txq->missing_tx_completion_threshold =
+ RTE_MIN(txq->ring_size / 2, ENA_DEFAULT_MISSING_COMP);
+
/* Store pointer to this queue in upper layer */
txq->configured = 1;
dev->data->tx_queues[queue_idx] = txq;
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
- __rte_unused const struct rte_eth_rxconf *rx_conf,
+ const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
struct ena_adapter *adapter = dev->data->dev_private;
struct ena_ring *rxq = NULL;
+ size_t buffer_size;
int i;
+ uint16_t dyn_thresh;
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 (nb_desc == RTE_ETH_DEV_FALLBACK_RX_RINGSIZE)
- nb_desc = adapter->rx_ring_size;
-
if (!rte_is_power_of_2(nb_desc)) {
- RTE_LOG(ERR, PMD,
- "Unsupported size of RX queue: %d is not a power of 2.\n",
+ 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);
+ rxq->rx_buffer_info = rte_zmalloc_socket("rxq->buffer_info",
+ sizeof(struct ena_rx_buffer) * nb_desc,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
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;
}
- rxq->rx_refill_buffer = rte_zmalloc("rxq->rx_refill_buffer",
- sizeof(struct rte_mbuf *) * nb_desc,
- RTE_CACHE_LINE_SIZE);
-
+ rxq->rx_refill_buffer = rte_zmalloc_socket("rxq->rx_refill_buffer",
+ sizeof(struct rte_mbuf *) * nb_desc,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
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;
}
- rxq->empty_rx_reqs = rte_zmalloc("rxq->empty_rx_reqs",
- sizeof(uint16_t) * nb_desc,
- RTE_CACHE_LINE_SIZE);
+ rxq->empty_rx_reqs = rte_zmalloc_socket("rxq->empty_rx_reqs",
+ sizeof(uint16_t) * nb_desc,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
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_rx_reqs[i] = i;
+ rxq->offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads;
+
+ if (rx_conf->rx_free_thresh != 0) {
+ rxq->rx_free_thresh = rx_conf->rx_free_thresh;
+ } else {
+ dyn_thresh = rxq->ring_size / ENA_REFILL_THRESH_DIVIDER;
+ rxq->rx_free_thresh = RTE_MIN(dyn_thresh,
+ (uint16_t)(ENA_REFILL_THRESH_PACKET));
+ }
+
/* Store pointer to this queue in upper layer */
rxq->configured = 1;
dev->data->rx_queues[queue_idx] = rxq;
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\n");
+#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);
++rxq->rx_stats.mbuf_alloc_fail;
- PMD_RX_LOG(DEBUG, "there are no enough free buffers");
+ 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... */
+ /* When we submitted free resources 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 = 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 int check_for_tx_completion_in_queue(struct ena_adapter *adapter,
+ struct ena_ring *tx_ring)
+{
+ struct ena_tx_buffer *tx_buf;
+ uint64_t timestamp;
+ uint64_t completion_delay;
+ uint32_t missed_tx = 0;
+ unsigned int i;
+ int rc = 0;
+
+ for (i = 0; i < tx_ring->ring_size; ++i) {
+ tx_buf = &tx_ring->tx_buffer_info[i];
+ timestamp = tx_buf->timestamp;
+
+ if (timestamp == 0)
+ continue;
+
+ completion_delay = rte_get_timer_cycles() - timestamp;
+ if (completion_delay > adapter->missing_tx_completion_to) {
+ if (unlikely(!tx_buf->print_once)) {
+ PMD_TX_LOG(WARNING,
+ "Found a Tx that wasn't completed on time, qid %d, index %d. "
+ "Missing Tx outstanding for %" PRIu64 " msecs.\n",
+ tx_ring->id, i, completion_delay /
+ rte_get_timer_hz() * 1000);
+ tx_buf->print_once = true;
+ }
+ ++missed_tx;
+ }
+ }
+
+ if (unlikely(missed_tx > tx_ring->missing_tx_completion_threshold)) {
+ PMD_DRV_LOG(ERR,
+ "The number of lost Tx completions is above the threshold (%d > %d). "
+ "Trigger the device reset.\n",
+ missed_tx,
+ tx_ring->missing_tx_completion_threshold);
+ adapter->reset_reason = ENA_REGS_RESET_MISS_TX_CMPL;
+ adapter->trigger_reset = true;
+ rc = -EIO;
+ }
+
+ tx_ring->tx_stats.missed_tx += missed_tx;
+
+ return rc;
+}
+
+static void check_for_tx_completions(struct ena_adapter *adapter)
+{
+ struct ena_ring *tx_ring;
+ uint64_t tx_cleanup_delay;
+ size_t qid;
+ int budget;
+ uint16_t nb_tx_queues = adapter->edev_data->nb_tx_queues;
+
+ if (adapter->missing_tx_completion_to == ENA_HW_HINTS_NO_TIMEOUT)
+ return;
+
+ nb_tx_queues = adapter->edev_data->nb_tx_queues;
+ budget = adapter->missing_tx_completion_budget;
+
+ qid = adapter->last_tx_comp_qid;
+ while (budget-- > 0) {
+ tx_ring = &adapter->tx_ring[qid];
+
+ /* Tx cleanup is called only by the burst function and can be
+ * called dynamically by the application. Also cleanup is
+ * limited by the threshold. To avoid false detection of the
+ * missing HW Tx completion, get the delay since last cleanup
+ * function was called.
+ */
+ tx_cleanup_delay = rte_get_timer_cycles() -
+ tx_ring->last_cleanup_ticks;
+ if (tx_cleanup_delay < adapter->tx_cleanup_stall_delay)
+ check_for_tx_completion_in_queue(adapter, tx_ring);
+ qid = (qid + 1) % nb_tx_queues;
+ }
+
+ adapter->last_tx_comp_qid = qid;
+}
+
static void ena_timer_wd_callback(__rte_unused struct rte_timer *timer,
void *arg)
{
- struct ena_adapter *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);
+ check_for_tx_completions(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 inline void
-set_default_llq_configurations(struct ena_llq_configurations *llq_config)
+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_ring_entry_size = ENA_ADMIN_LIST_ENTRY_SIZE_128B;
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;
- llq_config->llq_ring_entry_size_value = 128;
+
+ 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
llq_feature_mask = 1 << ENA_ADMIN_LLQ;
if (!(ena_dev->supported_features & llq_feature_mask)) {
- RTE_LOG(INFO, PMD,
+ 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.");
+ 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;
}
return 0;
if (!adapter->dev_mem_base) {
- RTE_LOG(ERR, PMD, "Unable to access LLQ bar resource. "
- "Fallback to host mode policy.\n.");
+ 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;
}
return 0;
}
-static int ena_calc_io_queue_num(struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx)
+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)
{
- uint32_t io_tx_sq_num, io_tx_cq_num, io_rx_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)) {
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(ENA_MAX_NUM_IO_QUEUES, io_rx_num);
- io_queue_num = RTE_MIN(io_queue_num, io_tx_sq_num);
- io_queue_num = RTE_MIN(io_queue_num, io_tx_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 void
+ena_set_offloads(struct ena_offloads *offloads,
+ struct ena_admin_feature_offload_desc *offload_desc)
+{
+ if (offload_desc->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK)
+ offloads->tx_offloads |= ENA_IPV4_TSO;
+
+ /* Tx IPv4 checksum offloads */
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK)
+ offloads->tx_offloads |= ENA_L3_IPV4_CSUM;
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV4_CSUM;
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV4_CSUM_PARTIAL;
+
+ /* Tx IPv6 checksum offloads */
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV6_CSUM;
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV6_CSUM_PARTIAL;
+
+ /* Rx IPv4 checksum offloads */
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK)
+ offloads->rx_offloads |= ENA_L3_IPV4_CSUM;
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK)
+ offloads->rx_offloads |= ENA_L4_IPV4_CSUM;
+
+ /* Rx IPv6 checksum offloads */
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK)
+ offloads->rx_offloads |= ENA_L4_IPV6_CSUM;
+
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK)
+ offloads->rx_offloads |= ENA_RX_RSS_HASH;
}
static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
struct ena_com_dev_get_features_ctx get_feat_ctx;
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;
+ bool disable_meta_caching;
+ bool wd_state = false;
eth_dev->dev_ops = &ena_dev_ops;
eth_dev->rx_pkt_burst = ð_ena_recv_pkts;
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->rte_eth_dev_data = eth_dev->data;
- adapter->rte_dev = eth_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,
pci_dev->addr.function);
- intr_handle = &pci_dev->intr_handle;
+ intr_handle = pci_dev->intr_handle;
adapter->regs = pci_dev->mem_resource[ENA_REGS_BAR].addr;
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;
- set_default_llq_configurations(&llq_config);
+ 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");
+ PMD_INIT_LOG(CRIT, "Failed to set placement policy\n");
return rc;
}
queue_type_str = "Regular";
else
queue_type_str = "Low latency";
- RTE_LOG(INFO, PMD, "Placement policy: %s\n", queue_type_str);
+ 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;
- adapter->num_queues = ena_calc_io_queue_num(ena_dev,
- &get_feat_ctx);
- rc = ena_calc_queue_size(&calc_queue_ctx);
- if (unlikely((rc != 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 = calc_queue_ctx.tx_queue_size;
- adapter->rx_ring_size = calc_queue_ctx.rx_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;
+
+ 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 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;
+ ena_set_offloads(&adapter->offloads, &get_feat_ctx.offload);
/* Copy MAC address and point DPDK to it */
eth_dev->data->mac_addrs = (struct rte_ether_addr *)adapter->mac_addr;
get_feat_ctx.dev_attr.mac_addr,
(struct rte_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;
+ rc = ena_com_rss_init(ena_dev, ENA_RX_RSS_TABLE_LOG_SIZE);
+ if (unlikely(rc != 0)) {
+ PMD_DRV_LOG(ERR, "Failed to initialize RSS in ENA device\n");
+ goto err_delete_debug_area;
+ }
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;
+ goto err_rss_destroy;
}
+ 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 0;
+err_rss_destroy:
+ ena_com_rss_destroy(ena_dev);
err_delete_debug_area:
ena_com_delete_debug_area(ena_dev);
if (adapter->state != ENA_ADAPTER_STATE_CLOSED)
ena_close(eth_dev);
+ ena_com_rss_destroy(ena_dev);
+
ena_com_delete_debug_area(ena_dev);
ena_com_delete_host_info(ena_dev);
ena_destroy_device(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;
-
return 0;
}
adapter->state = ENA_ADAPTER_STATE_CONFIG;
+ if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
+ dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
+ dev->data->dev_conf.txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
+
+ /* Scattered Rx cannot be turned off in the HW, so this capability must
+ * be forced.
+ */
+ dev->data->scattered_rx = 1;
+
+ adapter->last_tx_comp_qid = 0;
+
+ adapter->missing_tx_completion_budget =
+ RTE_MIN(ENA_MONITORED_TX_QUEUES, dev->data->nb_tx_queues);
+
+ adapter->missing_tx_completion_to = ENA_TX_TIMEOUT;
+ /* To avoid detection of the spurious Tx completion timeout due to
+ * application not calling the Tx cleanup function, set timeout for the
+ * Tx queue which should be half of the missing completion timeout for a
+ * safety. If there will be a lot of missing Tx completions in the
+ * queue, they will be detected sooner or later.
+ */
+ adapter->tx_cleanup_stall_delay = adapter->missing_tx_completion_to / 2;
+
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;
}
}
-static void ena_infos_get(struct rte_eth_dev *dev,
- struct rte_eth_dev_info *dev_info)
+static uint64_t ena_get_rx_port_offloads(struct ena_adapter *adapter)
{
- struct ena_adapter *adapter;
- struct ena_com_dev *ena_dev;
- uint64_t rx_feat = 0, tx_feat = 0;
+ uint64_t port_offloads = 0;
- 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;
+ if (adapter->offloads.rx_offloads & ENA_L3_IPV4_CSUM)
+ port_offloads |= RTE_ETH_RX_OFFLOAD_IPV4_CKSUM;
- ena_dev = &adapter->ena_dev;
- ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
+ if (adapter->offloads.rx_offloads &
+ (ENA_L4_IPV4_CSUM | ENA_L4_IPV6_CSUM))
+ port_offloads |=
+ RTE_ETH_RX_OFFLOAD_UDP_CKSUM | RTE_ETH_RX_OFFLOAD_TCP_CKSUM;
- dev_info->speed_capa =
- ETH_LINK_SPEED_1G |
- ETH_LINK_SPEED_2_5G |
- ETH_LINK_SPEED_5G |
- ETH_LINK_SPEED_10G |
- ETH_LINK_SPEED_25G |
- ETH_LINK_SPEED_40G |
- ETH_LINK_SPEED_50G |
- ETH_LINK_SPEED_100G;
-
- /* Set Tx & Rx features available for device */
- if (adapter->offloads.tso4_supported)
- tx_feat |= DEV_TX_OFFLOAD_TCP_TSO;
-
- if (adapter->offloads.tx_csum_supported)
- tx_feat |= DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM;
-
- if (adapter->offloads.rx_csum_supported)
- rx_feat |= DEV_RX_OFFLOAD_IPV4_CKSUM |
- DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM;
-
- rx_feat |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ if (adapter->offloads.rx_offloads & ENA_RX_RSS_HASH)
+ port_offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
- /* Inform framework about available features */
- dev_info->rx_offload_capa = rx_feat;
- dev_info->rx_queue_offload_capa = rx_feat;
- dev_info->tx_offload_capa = tx_feat;
- dev_info->tx_queue_offload_capa = tx_feat;
+ port_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
- dev_info->flow_type_rss_offloads = ETH_RSS_IP | ETH_RSS_TCP |
- ETH_RSS_UDP;
+ return port_offloads;
+}
- dev_info->min_rx_bufsize = ENA_MIN_FRAME_LEN;
- dev_info->max_rx_pktlen = adapter->max_mtu;
- dev_info->max_mac_addrs = 1;
+static uint64_t ena_get_tx_port_offloads(struct ena_adapter *adapter)
+{
+ uint64_t port_offloads = 0;
- dev_info->max_rx_queues = adapter->num_queues;
- dev_info->max_tx_queues = adapter->num_queues;
- dev_info->reta_size = ENA_RX_RSS_TABLE_SIZE;
+ if (adapter->offloads.tx_offloads & ENA_IPV4_TSO)
+ port_offloads |= RTE_ETH_TX_OFFLOAD_TCP_TSO;
- adapter->tx_supported_offloads = tx_feat;
- adapter->rx_supported_offloads = rx_feat;
+ if (adapter->offloads.tx_offloads & ENA_L3_IPV4_CSUM)
+ port_offloads |= RTE_ETH_TX_OFFLOAD_IPV4_CKSUM;
+ if (adapter->offloads.tx_offloads &
+ (ENA_L4_IPV4_CSUM_PARTIAL | ENA_L4_IPV4_CSUM |
+ ENA_L4_IPV6_CSUM | ENA_L4_IPV6_CSUM_PARTIAL))
+ port_offloads |=
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM | RTE_ETH_TX_OFFLOAD_TCP_CKSUM;
- dev_info->rx_desc_lim.nb_max = adapter->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);
+ port_offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
- dev_info->tx_desc_lim.nb_max = adapter->tx_ring_size;
+ return port_offloads;
+}
+
+static uint64_t ena_get_rx_queue_offloads(struct ena_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+static uint64_t ena_get_tx_queue_offloads(struct ena_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+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;
+
+ 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\n");
+
+ dev_info->speed_capa =
+ RTE_ETH_LINK_SPEED_1G |
+ RTE_ETH_LINK_SPEED_2_5G |
+ RTE_ETH_LINK_SPEED_5G |
+ RTE_ETH_LINK_SPEED_10G |
+ RTE_ETH_LINK_SPEED_25G |
+ RTE_ETH_LINK_SPEED_40G |
+ RTE_ETH_LINK_SPEED_50G |
+ RTE_ETH_LINK_SPEED_100G;
+
+ /* Inform framework about available features */
+ dev_info->rx_offload_capa = ena_get_rx_port_offloads(adapter);
+ dev_info->tx_offload_capa = ena_get_tx_port_offloads(adapter);
+ dev_info->rx_queue_offload_capa = ena_get_rx_queue_offloads(adapter);
+ dev_info->tx_queue_offload_capa = ena_get_tx_queue_offloads(adapter);
+
+ dev_info->flow_type_rss_offloads = ENA_ALL_RSS_HF;
+ dev_info->hash_key_size = ENA_HASH_KEY_SIZE;
+
+ dev_info->min_rx_bufsize = ENA_MIN_FRAME_LEN;
+ dev_info->max_rx_pktlen = adapter->max_mtu + RTE_ETHER_HDR_LEN +
+ RTE_ETHER_CRC_LEN;
+ dev_info->min_mtu = ENA_MIN_MTU;
+ dev_info->max_mtu = adapter->max_mtu;
+ dev_info->max_mac_addrs = 1;
+
+ 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;
+
+ 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 = 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,
adapter->max_tx_sgl_size);
dev_info->tx_desc_lim.nb_mtu_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
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;
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;
+ bool fill_hash;
+#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;
+ fill_hash = rx_ring->offloads & RTE_ETH_RX_OFFLOAD_RSS_HASH;
- for (completed = 0; completed < nb_pkts; completed++) {
- int segments = 0;
+ 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++) {
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;
- ++rx_ring->rx_stats.bad_desc_num;
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)) {
- if (segments != 0)
- rte_mbuf_raw_free(mbuf_head);
- break;
- }
-
- mbuf = rx_buff_info[req_id];
- rx_buff_info[req_id] = NULL;
- 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++;
- }
- if (unlikely(rc))
break;
+ }
/* fill mbuf attributes if any */
- ena_rx_mbuf_prepare(mbuf_head, &ena_rx_ctx);
+ ena_rx_mbuf_prepare(mbuf, &ena_rx_ctx, fill_hash);
- if (unlikely(mbuf_head->ol_flags &
- (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD))) {
+ if (unlikely(mbuf->ol_flags &
+ (RTE_MBUF_F_RX_IP_CKSUM_BAD | RTE_MBUF_F_RX_L4_CKSUM_BAD))) {
rte_atomic64_inc(&rx_ring->adapter->drv_stats->ierrors);
++rx_ring->rx_stats.bad_csum;
}
- mbuf_head->hash.rss = ena_rx_ctx.hash;
-
- /* pass to DPDK application head mbuf */
- rx_pkts[recv_idx] = mbuf_head;
- recv_idx++;
- rx_ring->rx_stats.bytes += mbuf_head->pkt_len;
+ rx_pkts[completed] = mbuf;
+ rx_ring->rx_stats.bytes += mbuf->pkt_len;
}
- rx_ring->rx_stats.cnt += recv_idx;
+ 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);
+
/* Burst refill to save doorbells, memory barriers, const interval */
- if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size)) {
+ if (free_queue_entries >= rx_ring->rx_free_thresh) {
ena_com_update_dev_comp_head(rx_ring->ena_com_io_cq);
- ena_populate_rx_queue(rx_ring, ring_size - desc_in_use);
+ 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 ena_adapter *adapter = tx_ring->adapter;
struct rte_ipv4_hdr *ip_hdr;
uint64_t ol_flags;
+ uint64_t l4_csum_flag;
+ uint64_t dev_offload_capa;
uint16_t frag_field;
+ bool need_pseudo_csum;
+ dev_offload_capa = adapter->offloads.tx_offloads;
for (i = 0; i != nb_pkts; i++) {
m = tx_pkts[i];
ol_flags = m->ol_flags;
- if (!(ol_flags & PKT_TX_IPV4))
+ /* Check if any offload flag was set */
+ if (ol_flags == 0)
continue;
- /* If there was not L2 header length specified, assume it is
- * length of the ethernet header.
- */
- if (unlikely(m->l2_len == 0))
- m->l2_len = sizeof(struct rte_ether_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 & 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->offloads.tso4_supported)
- continue;
- }
-
- if ((ol_flags & ENA_TX_OFFLOAD_NOTSUP_MASK) != 0 ||
- (ol_flags & PKT_TX_L4_MASK) ==
- PKT_TX_SCTP_CKSUM) {
+ l4_csum_flag = ol_flags & RTE_MBUF_F_TX_L4_MASK;
+ /* SCTP checksum offload is not supported by the ENA. */
+ if ((ol_flags & ENA_TX_OFFLOAD_NOTSUP_MASK) ||
+ l4_csum_flag == RTE_MBUF_F_TX_SCTP_CKSUM) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "] has unsupported offloads flags set: 0x%" PRIu64 "\n",
+ i, ol_flags);
rte_errno = ENOTSUP;
return i;
}
#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ /* Check if requested offload is also enabled for the queue */
+ if ((ol_flags & RTE_MBUF_F_TX_IP_CKSUM &&
+ !(tx_ring->offloads & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM)) ||
+ (l4_csum_flag == RTE_MBUF_F_TX_TCP_CKSUM &&
+ !(tx_ring->offloads & RTE_ETH_TX_OFFLOAD_TCP_CKSUM)) ||
+ (l4_csum_flag == RTE_MBUF_F_TX_UDP_CKSUM &&
+ !(tx_ring->offloads & RTE_ETH_TX_OFFLOAD_UDP_CKSUM))) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "]: requested offloads: %" PRIu16 " are not enabled for the queue[%u]\n",
+ i, m->nb_segs, tx_ring->id);
+ rte_errno = EINVAL;
+ return i;
+ }
+
+ /* The caller is obligated to set l2 and l3 len if any cksum
+ * offload is enabled.
+ */
+ if (unlikely(ol_flags & (RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_L4_MASK) &&
+ (m->l2_len == 0 || m->l3_len == 0))) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "]: l2_len or l3_len values are 0 while the offload was requested\n",
+ i);
+ rte_errno = EINVAL;
+ return i;
+ }
ret = rte_validate_tx_offload(m);
if (ret != 0) {
rte_errno = -ret;
}
#endif
- /* In case we are supposed to TSO and have DF not set (DF=0)
- * hardware must be provided with partial checksum, otherwise
- * it will take care of necessary calculations.
+ /* Verify HW support for requested offloads and determine if
+ * pseudo header checksum is needed.
*/
+ need_pseudo_csum = false;
+ if (ol_flags & RTE_MBUF_F_TX_IPV4) {
+ if (ol_flags & RTE_MBUF_F_TX_IP_CKSUM &&
+ !(dev_offload_capa & ENA_L3_IPV4_CSUM)) {
+ rte_errno = ENOTSUP;
+ return i;
+ }
- ret = rte_net_intel_cksum_flags_prepare(m,
- ol_flags & ~PKT_TX_TCP_SEG);
- if (ret != 0) {
- rte_errno = -ret;
- return i;
+ if (ol_flags & RTE_MBUF_F_TX_TCP_SEG &&
+ !(dev_offload_capa & ENA_IPV4_TSO)) {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+
+ /* Check HW capabilities and if pseudo csum is needed
+ * for L4 offloads.
+ */
+ if (l4_csum_flag != RTE_MBUF_F_TX_L4_NO_CKSUM &&
+ !(dev_offload_capa & ENA_L4_IPV4_CSUM)) {
+ if (dev_offload_capa &
+ ENA_L4_IPV4_CSUM_PARTIAL) {
+ need_pseudo_csum = true;
+ } else {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+ }
+
+ /* Parse the DF flag */
+ 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 & RTE_IPV4_HDR_DF_FLAG) {
+ m->packet_type |= RTE_PTYPE_L4_NONFRAG;
+ } else if (ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
+ /* In case we are supposed to TSO and have DF
+ * not set (DF=0) hardware must be provided with
+ * partial checksum.
+ */
+ need_pseudo_csum = true;
+ }
+ } else if (ol_flags & RTE_MBUF_F_TX_IPV6) {
+ /* There is no support for IPv6 TSO as for now. */
+ if (ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+
+ /* Check HW capabilities and if pseudo csum is needed */
+ if (l4_csum_flag != RTE_MBUF_F_TX_L4_NO_CKSUM &&
+ !(dev_offload_capa & ENA_L4_IPV6_CSUM)) {
+ if (dev_offload_capa &
+ ENA_L4_IPV6_CSUM_PARTIAL) {
+ need_pseudo_csum = true;
+ } else {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+ }
+ }
+
+ if (need_pseudo_csum) {
+ ret = rte_net_intel_cksum_flags_prepare(m, ol_flags);
+ if (ret != 0) {
+ rte_errno = -ret;
+ return i;
+ }
}
}
adapter->ena_dev.mmio_read.reg_read_to =
hints->mmio_read_timeout * 1000;
+ if (hints->missing_tx_completion_timeout) {
+ if (hints->missing_tx_completion_timeout ==
+ ENA_HW_HINTS_NO_TIMEOUT) {
+ adapter->missing_tx_completion_to =
+ ENA_HW_HINTS_NO_TIMEOUT;
+ } else {
+ /* Convert from msecs to ticks */
+ adapter->missing_tx_completion_to = rte_get_timer_hz() *
+ hints->missing_tx_completion_timeout / 1000;
+ adapter->tx_cleanup_stall_delay =
+ adapter->missing_tx_completion_to / 2;
+ }
+ }
+
if (hints->driver_watchdog_timeout) {
if (hints->driver_watchdog_timeout == ENA_HW_HINTS_NO_TIMEOUT)
adapter->keep_alive_timeout = ENA_HW_HINTS_NO_TIMEOUT;
}
}
-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)
{
struct ena_com_dev *ena_dev;
int num_segments, header_len, rc;
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))
- return 0;
+ 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)) {
- RTE_LOG(WARNING, PMD, "Mbuf linearize failed\n");
+ 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 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 uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
+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_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;
- uint16_t seg_len;
- 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;
- uint16_t push_len = 0;
- uint16_t delta = 0;
- int nb_hw_desc;
- uint32_t total_length;
+ struct ena_com_buf *ena_buf;
+ uint16_t delta, seg_len, push_len;
- /* Check adapter state */
- if (unlikely(tx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
- RTE_LOG(ALERT, PMD,
- "Trying to xmit pkts while device is NOT running\n");
- return 0;
- }
+ delta = 0;
+ seg_len = mbuf->data_len;
- empty_tx_reqs = ring_size - (next_to_use - next_to_clean);
- if (nb_pkts > empty_tx_reqs)
- nb_pkts = empty_tx_reqs;
+ tx_info->mbuf = mbuf;
+ ena_buf = tx_info->bufs;
- for (sent_idx = 0; sent_idx < nb_pkts; sent_idx++) {
- mbuf = tx_pkts[sent_idx];
- total_length = 0;
+ 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;
- rc = ena_check_and_linearize_mbuf(tx_ring, mbuf);
- if (unlikely(rc))
- break;
+ 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;
+ }
- 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;
+ /* 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++;
+ }
- /* 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;
+ 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;
- seg_len = mbuf->data_len;
+ }
+}
- if (tx_ring->tx_mem_queue_type ==
- ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- push_len = RTE_MIN(mbuf->pkt_len,
- tx_ring->tx_max_header_size);
- ena_tx_ctx.header_len = push_len;
+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;
- if (likely(push_len <= seg_len)) {
- /* If the push header is in the single segment,
- * then just point it to the 1st mbuf data.
- */
- ena_tx_ctx.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);
- ena_tx_ctx.push_header =
- tx_ring->push_buf_intermediate_buf;
- delta = push_len - seg_len;
- }
- } /* there's no else as we take advantage of memset zeroing */
+ rc = ena_check_space_and_linearize_mbuf(tx_ring, mbuf);
+ if (unlikely(rc))
+ return rc;
- /* Set TX offloads flags, if applicable */
- ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads);
+ next_to_use = tx_ring->next_to_use;
- rte_prefetch0(tx_pkts[(sent_idx + 4) & ring_mask]);
+ 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;
- /* Process first segment taking into
- * consideration pushed header
- */
- if (seg_len > push_len) {
- ebuf->paddr = mbuf->buf_iova +
- mbuf->data_off +
- push_len;
- ebuf->len = seg_len - push_len;
- ebuf++;
- tx_info->num_of_bufs++;
- }
- total_length += mbuf->data_len;
+ ena_tx_map_mbuf(tx_ring, tx_info, mbuf, &push_header, &header_len);
- while ((mbuf = mbuf->next) != NULL) {
- seg_len = mbuf->data_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;
- /* Skip mbufs if whole data is pushed as a header */
- if (unlikely(delta > seg_len)) {
- delta -= seg_len;
- continue;
- }
+ /* Set Tx offloads flags, if applicable */
+ ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads,
+ tx_ring->disable_meta_caching);
- ebuf->paddr = mbuf->buf_iova + mbuf->data_off + delta;
- ebuf->len = seg_len - delta;
- total_length += ebuf->len;
- ebuf++;
- tx_info->num_of_bufs++;
+ 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;
+ }
- delta = 0;
- }
+ /* 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;
+ }
- ena_tx_ctx.num_bufs = tx_info->num_of_bufs;
+ tx_info->tx_descs = nb_hw_desc;
+ tx_info->timestamp = rte_get_timer_cycles();
- if (ena_com_is_doorbell_needed(tx_ring->ena_com_io_sq,
- &ena_tx_ctx)) {
- RTE_LOG(DEBUG, PMD, "llq tx max burst size of queue %d"
- " achieved, writing doorbell to send burst\n",
- tx_ring->id);
- rte_wmb();
- ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
- }
+ tx_ring->tx_stats.cnt++;
+ tx_ring->tx_stats.bytes += mbuf->pkt_len;
- /* 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)) {
- ++tx_ring->tx_stats.prepare_ctx_err;
- break;
- }
- tx_info->tx_descs = nb_hw_desc;
+ tx_ring->next_to_use = ENA_IDX_NEXT_MASKED(next_to_use,
+ tx_ring->size_mask);
- next_to_use++;
- tx_ring->tx_stats.cnt++;
- tx_ring->tx_stats.bytes += total_length;
- }
- tx_ring->tx_stats.available_desc =
- ena_com_free_desc(tx_ring->ena_com_io_sq);
+ return 0;
+}
- /* 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);
- tx_ring->tx_stats.doorbells++;
- tx_ring->next_to_use = next_to_use;
- }
+static void ena_tx_cleanup(struct ena_ring *tx_ring)
+{
+ unsigned int total_tx_descs = 0;
+ uint16_t cleanup_budget;
+ uint16_t next_to_clean = tx_ring->next_to_clean;
- /* 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)
+ /* Attempt to release all Tx descriptors (ring_size - 1 -> size_mask) */
+ cleanup_budget = tx_ring->size_mask;
+
+ 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];
- total_tx_descs += tx_info->tx_descs;
+ tx_info->timestamp = 0;
- /* Free whole mbuf chain */
mbuf = tx_info->mbuf;
rte_pktmbuf_free(mbuf);
+
tx_info->mbuf = NULL;
+ tx_ring->empty_tx_reqs[next_to_clean] = req_id;
- /* Put back descriptor to the ring for reuse */
- tx_ring->empty_tx_reqs[next_to_clean & ring_mask] = req_id;
- next_to_clean++;
+ total_tx_descs += tx_info->tx_descs;
- /* If too many descs to clean, leave it for another run */
- if (unlikely(total_tx_descs > ENA_RING_DESCS_RATIO(ring_size)))
- break;
+ /* Put back descriptor to the ring for reuse */
+ next_to_clean = ENA_IDX_NEXT_MASKED(next_to_clean,
+ tx_ring->size_mask);
}
- tx_ring->tx_stats.available_desc =
- ena_com_free_desc(tx_ring->ena_com_io_sq);
- if (total_tx_descs > 0) {
+ 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);
}
+ /* Notify completion handler that the cleanup was just called */
+ tx_ring->last_cleanup_ticks = rte_get_timer_cycles();
+}
+
+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);
+ int available_desc;
+ uint16_t sent_idx = 0;
+
+#ifdef RTE_ETHDEV_DEBUG_TX
+ /* Check adapter state */
+ if (unlikely(tx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
+ PMD_TX_LOG(ALERT,
+ "Trying to xmit pkts while device is NOT running\n");
+ return 0;
+ }
+#endif
+
+ for (sent_idx = 0; sent_idx < nb_pkts; sent_idx++) {
+ 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)]);
+ }
+
+ available_desc = ena_com_free_q_entries(tx_ring->ena_com_io_sq);
+ tx_ring->tx_stats.available_desc = available_desc;
+
+ /* 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 (available_desc < tx_ring->tx_free_thresh)
+ ena_tx_cleanup(tx_ring);
+
+ tx_ring->tx_stats.available_desc =
+ ena_com_free_q_entries(tx_ring->ena_com_io_sq);
tx_ring->tx_stats.tx_poll++;
return sent_idx;
}
+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;
+ }
+
+ rte_memcpy(&adapter->eni_stats, &admin_eni_stats,
+ sizeof(struct ena_stats_eni));
+
+ return 0;
+}
+
/**
* DPDK callback to retrieve names of extended device statistics
*
struct rte_eth_xstat_name *xstats_names,
unsigned int n)
{
- unsigned int xstats_count = ena_xstats_calc_num(dev);
+ unsigned int xstats_count = ena_xstats_calc_num(dev->data);
unsigned int stat, i, count = 0;
if (n < xstats_count || !xstats_names)
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,
unsigned int n)
{
struct ena_adapter *adapter = dev->data->dev_private;
- unsigned int xstats_count = ena_xstats_calc_num(dev);
+ unsigned int xstats_count = ena_xstats_calc_num(dev->data);
unsigned int stat, i, count = 0;
int stat_offset;
void *stats_begin;
return 0;
for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++) {
- stat_offset = ena_stats_rx_strings[stat].stat_offset;
+ stat_offset = ena_stats_global_strings[stat].stat_offset;
stats_begin = &adapter->dev_stats;
xstats[count].id = count;
((char *)stats_begin + stat_offset));
}
+ /* 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;
+
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
+ }
+
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;
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 */
continue;
}
- /* Check if id belongs to rx queue statistics */
+ /* 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;
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;
+ }
+
+ /* 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;
+}
+
+static int ena_setup_rx_intr(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;
+ int rc;
+ uint16_t vectors_nb, i;
+ bool rx_intr_requested = dev->data->dev_conf.intr_conf.rxq;
+
+ if (!rx_intr_requested)
+ return 0;
+
+ if (!rte_intr_cap_multiple(intr_handle)) {
+ PMD_DRV_LOG(ERR,
+ "Rx interrupt requested, but it isn't supported by the PCI driver\n");
+ return -ENOTSUP;
+ }
+
+ /* Disable interrupt mapping before the configuration starts. */
+ rte_intr_disable(intr_handle);
+
+ /* Verify if there are enough vectors available. */
+ vectors_nb = dev->data->nb_rx_queues;
+ if (vectors_nb > RTE_MAX_RXTX_INTR_VEC_ID) {
+ PMD_DRV_LOG(ERR,
+ "Too many Rx interrupts requested, maximum number: %d\n",
+ RTE_MAX_RXTX_INTR_VEC_ID);
+ rc = -ENOTSUP;
+ goto enable_intr;
+ }
+
+ /* Allocate the vector list */
+ if (rte_intr_vec_list_alloc(intr_handle, "intr_vec",
+ dev->data->nb_rx_queues)) {
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate interrupt vector for %d queues\n",
+ dev->data->nb_rx_queues);
+ rc = -ENOMEM;
+ goto enable_intr;
+ }
+
+ rc = rte_intr_efd_enable(intr_handle, vectors_nb);
+ if (rc != 0)
+ goto free_intr_vec;
+
+ if (!rte_intr_allow_others(intr_handle)) {
+ PMD_DRV_LOG(ERR,
+ "Not enough interrupts available to use both ENA Admin and Rx interrupts\n");
+ goto disable_intr_efd;
+ }
+
+ for (i = 0; i < vectors_nb; ++i)
+ if (rte_intr_vec_list_index_set(intr_handle, i,
+ RTE_INTR_VEC_RXTX_OFFSET + i))
+ goto disable_intr_efd;
+
+ rte_intr_enable(intr_handle);
+ return 0;
+
+disable_intr_efd:
+ rte_intr_efd_disable(intr_handle);
+free_intr_vec:
+ rte_intr_vec_list_free(intr_handle);
+enable_intr:
+ rte_intr_enable(intr_handle);
+ return rc;
+}
+
+static void ena_rx_queue_intr_set(struct rte_eth_dev *dev,
+ uint16_t queue_id,
+ bool unmask)
+{
+ struct ena_adapter *adapter = dev->data->dev_private;
+ struct ena_ring *rxq = &adapter->rx_ring[queue_id];
+ struct ena_eth_io_intr_reg intr_reg;
+
+ ena_com_update_intr_reg(&intr_reg, 0, 0, unmask);
+ ena_com_unmask_intr(rxq->ena_com_io_cq, &intr_reg);
+}
+
+static int ena_rx_queue_intr_enable(struct rte_eth_dev *dev,
+ uint16_t queue_id)
+{
+ ena_rx_queue_intr_set(dev, queue_id, true);
+
+ return 0;
+}
+
+static int ena_rx_queue_intr_disable(struct rte_eth_dev *dev,
+ uint16_t queue_id)
+{
+ ena_rx_queue_intr_set(dev, queue_id, false);
+
+ return 0;
+}
+
/*********************************************************************
* PMD configuration
*********************************************************************/
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 = 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 = 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 = 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;
- rte_atomic64_set(&adapter->drv_stats->rx_drops, rx_drops);
+ 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 = {