* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include <rte_string_fns.h>
#include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
+#include <rte_ethdev_pci.h>
#include <rte_tcp.h>
#include <rte_atomic.h>
#include <rte_dev.h>
#include <ena_admin_defs.h>
#include <ena_eth_io_defs.h>
-#define DRV_MODULE_VER_MAJOR 1
+#define DRV_MODULE_VER_MAJOR 2
#define DRV_MODULE_VER_MINOR 0
#define DRV_MODULE_VER_SUBMINOR 0
#define ENA_RX_RSS_TABLE_LOG_SIZE 7
#define ENA_RX_RSS_TABLE_SIZE (1 << ENA_RX_RSS_TABLE_LOG_SIZE)
#define ENA_HASH_KEY_SIZE 40
-#define ENA_ETH_SS_STATS 0xFF
#define ETH_GSTRING_LEN 32
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define ENA_MIN_RING_DESC 128
+
enum ethtool_stringset {
ETH_SS_TEST = 0,
ETH_SS_STATS,
int stat_offset;
};
-#define ENA_STAT_ENA_COM_ENTRY(stat) { \
- .name = #stat, \
- .stat_offset = offsetof(struct ena_com_stats_admin, stat) \
-}
-
#define ENA_STAT_ENTRY(stat, stat_type) { \
.name = #stat, \
.stat_offset = offsetof(struct ena_stats_##stat_type, stat) \
#define ENA_STAT_GLOBAL_ENTRY(stat) \
ENA_STAT_ENTRY(stat, dev)
+#define ENA_MAX_RING_SIZE_RX 8192
+#define ENA_MAX_RING_SIZE_TX 1024
+
+/*
+ * Each rte_memzone should have unique name.
+ * To satisfy it, count number of allocation and add it to name.
+ */
+uint32_t ena_alloc_cnt;
+
static const struct ena_stats ena_stats_global_strings[] = {
- ENA_STAT_GLOBAL_ENTRY(tx_timeout),
- ENA_STAT_GLOBAL_ENTRY(io_suspend),
- ENA_STAT_GLOBAL_ENTRY(io_resume),
ENA_STAT_GLOBAL_ENTRY(wd_expired),
- ENA_STAT_GLOBAL_ENTRY(interface_up),
- ENA_STAT_GLOBAL_ENTRY(interface_down),
- ENA_STAT_GLOBAL_ENTRY(admin_q_pause),
+ ENA_STAT_GLOBAL_ENTRY(dev_start),
+ ENA_STAT_GLOBAL_ENTRY(dev_stop),
};
static const struct ena_stats ena_stats_tx_strings[] = {
ENA_STAT_TX_ENTRY(cnt),
ENA_STAT_TX_ENTRY(bytes),
- ENA_STAT_TX_ENTRY(queue_stop),
- ENA_STAT_TX_ENTRY(queue_wakeup),
- ENA_STAT_TX_ENTRY(dma_mapping_err),
+ ENA_STAT_TX_ENTRY(prepare_ctx_err),
ENA_STAT_TX_ENTRY(linearize),
ENA_STAT_TX_ENTRY(linearize_failed),
ENA_STAT_TX_ENTRY(tx_poll),
ENA_STAT_TX_ENTRY(doorbells),
- ENA_STAT_TX_ENTRY(prepare_ctx_err),
- ENA_STAT_TX_ENTRY(missing_tx_comp),
ENA_STAT_TX_ENTRY(bad_req_id),
+ ENA_STAT_TX_ENTRY(available_desc),
};
static const struct ena_stats ena_stats_rx_strings[] = {
ENA_STAT_RX_ENTRY(cnt),
ENA_STAT_RX_ENTRY(bytes),
- ENA_STAT_RX_ENTRY(refil_partial),
+ ENA_STAT_RX_ENTRY(refill_partial),
ENA_STAT_RX_ENTRY(bad_csum),
- ENA_STAT_RX_ENTRY(page_alloc_fail),
- ENA_STAT_RX_ENTRY(skb_alloc_fail),
- ENA_STAT_RX_ENTRY(dma_mapping_err),
+ ENA_STAT_RX_ENTRY(mbuf_alloc_fail),
ENA_STAT_RX_ENTRY(bad_desc_num),
- ENA_STAT_RX_ENTRY(small_copy_len_pkt),
-};
-
-static const struct ena_stats ena_stats_ena_com_strings[] = {
- ENA_STAT_ENA_COM_ENTRY(aborted_cmd),
- ENA_STAT_ENA_COM_ENTRY(submitted_cmd),
- ENA_STAT_ENA_COM_ENTRY(completed_cmd),
- ENA_STAT_ENA_COM_ENTRY(out_of_space),
- ENA_STAT_ENA_COM_ENTRY(no_completion),
+ ENA_STAT_RX_ENTRY(bad_req_id),
};
#define ENA_STATS_ARRAY_GLOBAL ARRAY_SIZE(ena_stats_global_strings)
#define ENA_STATS_ARRAY_TX ARRAY_SIZE(ena_stats_tx_strings)
#define ENA_STATS_ARRAY_RX ARRAY_SIZE(ena_stats_rx_strings)
-#define ENA_STATS_ARRAY_ENA_COM ARRAY_SIZE(ena_stats_ena_com_strings)
+
+#define QUEUE_OFFLOADS (DEV_TX_OFFLOAD_TCP_CKSUM |\
+ DEV_TX_OFFLOAD_UDP_CKSUM |\
+ 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)
/** Vendor ID used by Amazon devices */
#define PCI_VENDOR_ID_AMAZON 0x1D0F
#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_NOTSUP_MASK \
(PKT_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
-static struct rte_pci_id pci_id_ena_map[] = {
+int ena_logtype_init;
+int ena_logtype_driver;
+
+static const struct rte_pci_id pci_id_ena_map[] = {
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF) },
{ .device_id = 0 },
};
+static struct ena_aenq_handlers aenq_handlers;
+
static int ena_device_init(struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx);
+ struct ena_com_dev_get_features_ctx *get_feat_ctx,
+ bool *wd_state);
static int ena_dev_configure(struct rte_eth_dev *dev);
static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
static void ena_init_rings(struct ena_adapter *adapter);
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 void ena_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
+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_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,
- __rte_unused int wait_to_complete);
-static int ena_queue_restart(struct ena_ring *ring);
-static int ena_queue_restart_all(struct rte_eth_dev *dev,
- enum ena_ring_type ring_type);
+ int wait_to_complete);
+static int ena_create_io_queue(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_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(__rte_unused 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,
static int ena_rss_reta_query(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
-static int ena_get_sset_count(struct rte_eth_dev *dev, int sset);
-
-static struct eth_dev_ops ena_dev_ops = {
+static void ena_interrupt_handler_rte(void *cb_arg);
+static void ena_timer_wd_callback(struct rte_timer *timer, void *arg);
+static void ena_destroy_device(struct rte_eth_dev *eth_dev);
+static int eth_ena_dev_init(struct rte_eth_dev *eth_dev);
+static int ena_xstats_get_names(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int n);
+static int ena_xstats_get(struct rte_eth_dev *dev,
+ struct rte_eth_xstat *stats,
+ unsigned int n);
+static int ena_xstats_get_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ uint64_t *values,
+ unsigned int n);
+
+static const struct eth_dev_ops ena_dev_ops = {
.dev_configure = ena_dev_configure,
.dev_infos_get = ena_infos_get,
.rx_queue_setup = ena_rx_queue_setup,
.tx_queue_setup = ena_tx_queue_setup,
.dev_start = ena_start,
+ .dev_stop = ena_stop,
.link_update = ena_link_update,
.stats_get = ena_stats_get,
+ .xstats_get_names = ena_xstats_get_names,
+ .xstats_get = ena_xstats_get,
+ .xstats_get_by_id = ena_xstats_get_by_id,
.mtu_set = ena_mtu_set,
.rx_queue_release = ena_rx_queue_release,
.tx_queue_release = ena_tx_queue_release,
.dev_close = ena_close,
+ .dev_reset = ena_dev_reset,
.reta_update = ena_rss_reta_update,
.reta_query = ena_rss_reta_query,
};
static inline int ena_cpu_to_node(int cpu)
{
struct rte_config *config = rte_eal_get_configuration();
+ struct rte_fbarray *arr = &config->mem_config->memzones;
+ const struct rte_memzone *mz;
- if (likely(cpu < RTE_MAX_MEMZONE))
- return config->mem_config->memzone[cpu].socket_id;
+ if (unlikely(cpu >= RTE_MAX_MEMZONE))
+ return NUMA_NO_NODE;
- return NUMA_NO_NODE;
+ mz = rte_fbarray_get(arr, cpu);
+
+ return mz->socket_id;
}
static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
struct ena_com_rx_ctx *ena_rx_ctx)
{
uint64_t ol_flags = 0;
+ uint32_t packet_type = 0;
if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_TCP)
- ol_flags |= PKT_TX_TCP_CKSUM;
+ packet_type |= RTE_PTYPE_L4_TCP;
else if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_UDP)
- ol_flags |= PKT_TX_UDP_CKSUM;
+ packet_type |= RTE_PTYPE_L4_UDP;
if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4)
- ol_flags |= PKT_TX_IPV4;
+ packet_type |= RTE_PTYPE_L3_IPV4;
else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6)
- ol_flags |= PKT_TX_IPV6;
+ packet_type |= RTE_PTYPE_L3_IPV6;
if (unlikely(ena_rx_ctx->l4_csum_err))
ol_flags |= PKT_RX_L4_CKSUM_BAD;
ol_flags |= PKT_RX_IP_CKSUM_BAD;
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)
+ struct ena_com_tx_ctx *ena_tx_ctx,
+ uint64_t queue_offloads)
{
struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta;
- if (mbuf->ol_flags &
- (PKT_TX_L4_MASK | PKT_TX_IP_CKSUM | PKT_TX_TCP_SEG)) {
+ if ((mbuf->ol_flags & MBUF_OFFLOADS) &&
+ (queue_offloads & QUEUE_OFFLOADS)) {
/* check if TSO is required */
- if (mbuf->ol_flags & PKT_TX_TCP_SEG) {
+ if ((mbuf->ol_flags & PKT_TX_TCP_SEG) &&
+ (queue_offloads & DEV_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)
+ if ((mbuf->ol_flags & PKT_TX_IP_CKSUM) &&
+ (queue_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM))
ena_tx_ctx->l3_csum_enable = true;
if (mbuf->ol_flags & PKT_TX_IPV6) {
}
/* check if L4 checksum is needed */
- switch (mbuf->ol_flags & PKT_TX_L4_MASK) {
- case PKT_TX_TCP_CKSUM:
+ if ((mbuf->ol_flags & PKT_TX_TCP_CKSUM) &&
+ (queue_offloads & DEV_TX_OFFLOAD_TCP_CKSUM)) {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_TCP;
ena_tx_ctx->l4_csum_enable = true;
- break;
- case PKT_TX_UDP_CKSUM:
+ } else if ((mbuf->ol_flags & PKT_TX_UDP_CKSUM) &&
+ (queue_offloads & DEV_TX_OFFLOAD_UDP_CKSUM)) {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_UDP;
ena_tx_ctx->l4_csum_enable = true;
- break;
- default:
+ } else {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_UNKNOWN;
ena_tx_ctx->l4_csum_enable = false;
- break;
}
ena_meta->mss = mbuf->tso_segsz;
ena_meta->l3_hdr_len = mbuf->l3_len;
ena_meta->l3_hdr_offset = mbuf->l2_len;
- /* this param needed only for TSO */
- ena_meta->l3_outer_hdr_len = 0;
- ena_meta->l3_outer_hdr_offset = 0;
ena_tx_ctx->meta_valid = true;
} else {
}
}
+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 (likely(req_id < tx_ring->ring_size)) {
+ tx_info = &tx_ring->tx_buffer_info[req_id];
+ if (likely(tx_info->mbuf))
+ return 0;
+ }
+
+ if (tx_info)
+ RTE_LOG(ERR, PMD, "tx_info doesn't have valid mbuf\n");
+ else
+ RTE_LOG(ERR, PMD, "Invalid req_id: %hu\n", req_id);
+
+ /* Trigger device reset */
+ ++tx_ring->tx_stats.bad_req_id;
+ tx_ring->adapter->reset_reason = ENA_REGS_RESET_INV_TX_REQ_ID;
+ tx_ring->adapter->trigger_reset = true;
+ return -EFAULT;
+}
+
static void ena_config_host_info(struct ena_com_dev *ena_dev)
{
struct ena_admin_host_info *host_info;
host_info->os_type = ENA_ADMIN_OS_DPDK;
host_info->kernel_ver = RTE_VERSION;
- snprintf((char *)host_info->kernel_ver_str,
- sizeof(host_info->kernel_ver_str),
- "%s", rte_version());
+ strlcpy((char *)host_info->kernel_ver_str, rte_version(),
+ sizeof(host_info->kernel_ver_str));
host_info->os_dist = RTE_VERSION;
- snprintf((char *)host_info->os_dist_str,
- sizeof(host_info->os_dist_str),
- "%s", rte_version());
+ strlcpy((char *)host_info->os_dist_str, rte_version(),
+ sizeof(host_info->os_dist_str));
host_info->driver_version =
(DRV_MODULE_VER_MAJOR) |
(DRV_MODULE_VER_MINOR << ENA_ADMIN_HOST_INFO_MINOR_SHIFT) |
(DRV_MODULE_VER_SUBMINOR <<
ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT);
+ host_info->num_cpus = rte_lcore_count();
rc = ena_com_set_host_attributes(ena_dev);
if (rc) {
- if (rc == -EPERM)
- RTE_LOG(ERR, PMD, "Cannot set host attributes\n");
+ if (rc == -ENA_COM_UNSUPPORTED)
+ RTE_LOG(WARNING, PMD, "Cannot set host attributes\n");
else
RTE_LOG(ERR, PMD, "Cannot set host attributes\n");
ena_com_delete_host_info(ena_dev);
}
-static int
-ena_get_sset_count(struct rte_eth_dev *dev, int sset)
+/* This function calculates the number of xstats based on the current config */
+static unsigned int ena_xstats_calc_num(struct rte_eth_dev *dev)
{
- if (sset != ETH_SS_STATS)
- return -EOPNOTSUPP;
-
- /* Workaround for clang:
- * touch internal structures to prevent
- * compiler error
- */
- ENA_TOUCH(ena_stats_global_strings);
- ENA_TOUCH(ena_stats_tx_strings);
- ENA_TOUCH(ena_stats_rx_strings);
- ENA_TOUCH(ena_stats_ena_com_strings);
-
- return dev->data->nb_tx_queues *
- (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX) +
- ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
+ return ENA_STATS_ARRAY_GLOBAL +
+ (dev->data->nb_tx_queues * ENA_STATS_ARRAY_TX) +
+ (dev->data->nb_rx_queues * ENA_STATS_ARRAY_RX);
}
static void ena_config_debug_area(struct ena_adapter *adapter)
u32 debug_area_size;
int rc, ss_count;
- ss_count = ena_get_sset_count(adapter->rte_dev, ETH_SS_STATS);
- if (ss_count <= 0) {
- RTE_LOG(ERR, PMD, "SS count is negative\n");
- return;
- }
+ ss_count = ena_xstats_calc_num(adapter->rte_dev);
/* 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_set_host_attributes(&adapter->ena_dev);
if (rc) {
- if (rc == -EPERM)
+ if (rc == -ENA_COM_UNSUPPORTED)
RTE_LOG(WARNING, PMD, "Cannot set host attributes\n");
else
RTE_LOG(ERR, PMD, "Cannot set host attributes\n");
+
goto err;
}
static void ena_close(struct rte_eth_dev *dev)
{
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
- adapter->state = ENA_ADAPTER_STATE_STOPPED;
+ if (adapter->state == ENA_ADAPTER_STATE_RUNNING)
+ ena_stop(dev);
+ adapter->state = ENA_ADAPTER_STATE_CLOSED;
ena_rx_queue_release_all(dev);
ena_tx_queue_release_all(dev);
+
+ rte_free(adapter->drv_stats);
+ adapter->drv_stats = NULL;
+
+ rte_intr_disable(intr_handle);
+ rte_intr_callback_unregister(intr_handle,
+ ena_interrupt_handler_rte,
+ adapter);
+
+ /*
+ * 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;
+}
+
+static int
+ena_dev_reset(struct rte_eth_dev *dev)
+{
+ int rc = 0;
+
+ 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 ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int ret, i;
+ int rc, i;
u16 entry_value;
int conf_idx;
int idx;
RTE_LOG(WARNING, PMD,
"indirection table %d is bigger than supported (%d)\n",
reta_size, ENA_RX_RSS_TABLE_SIZE);
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
for (i = 0 ; i < reta_size ; i++) {
if (TEST_BIT(reta_conf[conf_idx].mask, idx)) {
entry_value =
ENA_IO_RXQ_IDX(reta_conf[conf_idx].reta[idx]);
- ret = ena_com_indirect_table_fill_entry(ena_dev,
- i,
- entry_value);
- if (unlikely(ret && (ret != ENA_COM_PERMISSION))) {
+
+ 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");
- ret = -ENOTSUP;
- goto err;
+ return rc;
}
}
}
- ret = ena_com_indirect_table_set(ena_dev);
- if (unlikely(ret && (ret != ENA_COM_PERMISSION))) {
+ 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");
- ret = -ENOTSUP;
- goto err;
+ return rc;
}
RTE_LOG(DEBUG, PMD, "%s(): RSS configured %d entries for port %d\n",
__func__, reta_size, adapter->rte_dev->data->port_id);
-err:
- return ret;
+
+ return 0;
}
/* Query redirection table. */
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int ret;
+ int rc;
int i;
u32 indirect_table[ENA_RX_RSS_TABLE_SIZE] = {0};
int reta_conf_idx;
(reta_size > RTE_RETA_GROUP_SIZE && ((reta_conf + 1) == NULL)))
return -EINVAL;
- ret = ena_com_indirect_table_get(ena_dev, indirect_table);
- if (unlikely(ret && (ret != ENA_COM_PERMISSION))) {
+ 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");
- ret = -ENOTSUP;
- goto err;
+ return -ENOTSUP;
}
for (i = 0 ; i < reta_size ; i++) {
reta_conf[reta_conf_idx].reta[reta_idx] =
ENA_IO_RXQ_IDX_REV(indirect_table[i]);
}
-err:
- return ret;
+
+ return 0;
}
static int ena_rss_init_default(struct ena_adapter *adapter)
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_PERMISSION))) {
+ 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_PERMISSION))) {
+ 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_PERMISSION))) {
+ 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_PERMISSION))) {
+ if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
RTE_LOG(ERR, PMD, "Cannot flush the indirect table\n");
goto err_fill_indir;
}
static void ena_rx_queue_release(void *queue)
{
struct ena_ring *ring = (struct ena_ring *)queue;
- struct ena_adapter *adapter = ring->adapter;
- int ena_qid;
-
- ena_assert_msg(ring->configured,
- "API violation - releasing not configured queue");
- ena_assert_msg(ring->adapter->state != ENA_ADAPTER_STATE_RUNNING,
- "API violation");
-
- /* Destroy HW queue */
- ena_qid = ENA_IO_RXQ_IDX(ring->id);
- ena_com_destroy_io_queue(&adapter->ena_dev, ena_qid);
-
- /* Free all bufs */
- ena_rx_queue_release_bufs(ring);
/* Free ring resources */
if (ring->rx_buffer_info)
rte_free(ring->rx_buffer_info);
ring->rx_buffer_info = NULL;
+ if (ring->rx_refill_buffer)
+ rte_free(ring->rx_refill_buffer);
+ ring->rx_refill_buffer = NULL;
+
+ if (ring->empty_rx_reqs)
+ rte_free(ring->empty_rx_reqs);
+ ring->empty_rx_reqs = NULL;
+
ring->configured = 0;
RTE_LOG(NOTICE, PMD, "RX Queue %d:%d released\n",
static void ena_tx_queue_release(void *queue)
{
struct ena_ring *ring = (struct ena_ring *)queue;
- struct ena_adapter *adapter = ring->adapter;
- int ena_qid;
-
- ena_assert_msg(ring->configured,
- "API violation. Releasing not configured queue");
- ena_assert_msg(ring->adapter->state != ENA_ADAPTER_STATE_RUNNING,
- "API violation");
-
- /* Destroy HW queue */
- ena_qid = ENA_IO_TXQ_IDX(ring->id);
- ena_com_destroy_io_queue(&adapter->ena_dev, ena_qid);
-
- /* Free all bufs */
- ena_tx_queue_release_bufs(ring);
/* Free ring resources */
+ if (ring->push_buf_intermediate_buf)
+ rte_free(ring->push_buf_intermediate_buf);
+
if (ring->tx_buffer_info)
rte_free(ring->tx_buffer_info);
ring->empty_tx_reqs = NULL;
ring->tx_buffer_info = NULL;
+ ring->push_buf_intermediate_buf = NULL;
ring->configured = 0;
static void ena_rx_queue_release_bufs(struct ena_ring *ring)
{
- unsigned int ring_mask = ring->ring_size - 1;
-
- while (ring->next_to_clean != ring->next_to_use) {
- struct rte_mbuf *m =
- ring->rx_buffer_info[ring->next_to_clean & ring_mask];
-
- if (m)
- __rte_mbuf_raw_free(m);
+ unsigned int i;
- ring->next_to_clean++;
- }
+ for (i = 0; i < ring->ring_size; ++i)
+ if (ring->rx_buffer_info[i]) {
+ rte_mbuf_raw_free(ring->rx_buffer_info[i]);
+ ring->rx_buffer_info[i] = NULL;
+ }
}
static void ena_tx_queue_release_bufs(struct ena_ring *ring)
{
- unsigned int ring_mask = ring->ring_size - 1;
+ unsigned int i;
- while (ring->next_to_clean != ring->next_to_use) {
- struct ena_tx_buffer *tx_buf =
- &ring->tx_buffer_info[ring->next_to_clean & ring_mask];
+ for (i = 0; i < ring->ring_size; ++i) {
+ struct ena_tx_buffer *tx_buf = &ring->tx_buffer_info[i];
if (tx_buf->mbuf)
rte_pktmbuf_free(tx_buf->mbuf);
-
- ring->next_to_clean++;
}
}
__rte_unused int wait_to_complete)
{
struct rte_eth_link *link = &dev->data->dev_link;
+ struct ena_adapter *adapter;
+
+ adapter = (struct ena_adapter *)(dev->data->dev_private);
- link->link_status = 1;
- link->link_speed = ETH_SPEED_NUM_10G;
+ 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;
return 0;
}
-static int ena_queue_restart_all(struct rte_eth_dev *dev,
- enum ena_ring_type ring_type)
+static int ena_queue_start_all(struct rte_eth_dev *dev,
+ enum ena_ring_type ring_type)
{
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
struct ena_ring *queues = NULL;
+ int nb_queues;
int i = 0;
int rc = 0;
- queues = (ring_type == ENA_RING_TYPE_RX) ?
- adapter->rx_ring : adapter->tx_ring;
-
- for (i = 0; i < adapter->num_queues; i++) {
+ if (ring_type == ENA_RING_TYPE_RX) {
+ queues = adapter->rx_ring;
+ nb_queues = dev->data->nb_rx_queues;
+ } else {
+ queues = adapter->tx_ring;
+ nb_queues = dev->data->nb_tx_queues;
+ }
+ for (i = 0; i < nb_queues; i++) {
if (queues[i].configured) {
if (ring_type == ENA_RING_TYPE_RX) {
ena_assert_msg(
"Inconsistent state of tx queues\n");
}
- rc = ena_queue_restart(&queues[i]);
+ rc = ena_queue_start(&queues[i]);
if (rc) {
PMD_INIT_LOG(ERR,
- "failed to restart queue %d type(%d)\n",
+ "failed to start queue %d type(%d)",
i, ring_type);
- return -1;
+ goto err;
}
}
}
return 0;
+
+err:
+ while (i--)
+ if (queues[i].configured)
+ ena_queue_stop(&queues[i]);
+
+ return rc;
}
static uint32_t ena_get_mtu_conf(struct ena_adapter *adapter)
{
uint32_t max_frame_len = adapter->max_mtu;
- if (adapter->rte_eth_dev_data->dev_conf.rxmode.jumbo_frame == 1)
+ 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;
{
uint32_t max_frame_len = ena_get_mtu_conf(adapter);
- if (max_frame_len > adapter->max_mtu) {
- PMD_INIT_LOG(ERR, "Unsupported MTU of %d\n", max_frame_len);
- return -1;
+ 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);
+ return ENA_COM_UNSUPPORTED;
}
return 0;
}
static int
-ena_calc_queue_size(struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx)
+ena_calc_queue_size(struct ena_calc_queue_size_ctx *ctx)
{
- uint32_t queue_size = ENA_DEFAULT_RING_SIZE;
+ 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;
+
+ 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_queue_ext->max_rx_sq_depth);
+ tx_queue_size = RTE_MIN(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,
+ llq->max_llq_depth);
+ } else {
+ tx_queue_size = RTE_MIN(tx_queue_size,
+ max_queue_ext->max_tx_sq_depth);
+ }
- queue_size = RTE_MIN(queue_size,
- get_feat_ctx->max_queues.max_cq_depth);
- queue_size = RTE_MIN(queue_size,
- get_feat_ctx->max_queues.max_sq_depth);
+ ctx->max_rx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
+ max_queue_ext->max_per_packet_rx_descs);
+ ctx->max_tx_sgl_size = RTE_MIN(ENA_PKT_MAX_BUFS,
+ max_queue_ext->max_per_packet_tx_descs);
+ } else {
+ struct ena_admin_queue_feature_desc *max_queues =
+ &ctx->get_feat_ctx->max_queues;
+ rx_queue_size = RTE_MIN(rx_queue_size,
+ max_queues->max_cq_depth);
+ rx_queue_size = RTE_MIN(rx_queue_size,
+ max_queues->max_sq_depth);
+ tx_queue_size = RTE_MIN(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,
+ llq->max_llq_depth);
+ } else {
+ tx_queue_size = RTE_MIN(tx_queue_size,
+ max_queues->max_sq_depth);
+ }
- if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
- queue_size = RTE_MIN(queue_size,
- get_feat_ctx->max_queues.max_llq_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);
+ }
- /* Round down to power of 2 */
- if (!rte_is_power_of_2(queue_size))
- queue_size = rte_align32pow2(queue_size >> 1);
+ /* Round down to the nearest power of 2 */
+ rx_queue_size = rte_align32prevpow2(rx_queue_size);
+ tx_queue_size = rte_align32prevpow2(tx_queue_size);
- if (queue_size == 0) {
- PMD_INIT_LOG(ERR, "Invalid queue size\n");
+ if (unlikely(rx_queue_size == 0 || tx_queue_size == 0)) {
+ PMD_INIT_LOG(ERR, "Invalid queue size");
return -EFAULT;
}
- return queue_size;
+ ctx->rx_queue_size = rx_queue_size;
+ ctx->tx_queue_size = tx_queue_size;
+
+ return 0;
}
static void ena_stats_restart(struct rte_eth_dev *dev)
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);
}
-static void ena_stats_get(struct rte_eth_dev *dev,
+static int ena_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats)
{
struct ena_admin_basic_stats ena_stats;
(struct ena_adapter *)(dev->data->dev_private);
struct ena_com_dev *ena_dev = &adapter->ena_dev;
int rc;
+ int i;
+ int max_rings_stats;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return;
+ return -ENOTSUP;
memset(&ena_stats, 0, sizeof(ena_stats));
rc = ena_com_get_dev_basic_stats(ena_dev, &ena_stats);
if (unlikely(rc)) {
- RTE_LOG(ERR, PMD, "Could not retrieve statistics from ENA");
- return;
+ RTE_LOG(ERR, PMD, "Could not retrieve statistics from ENA\n");
+ return rc;
}
/* Set of basic statistics from ENA */
ena_stats.rx_bytes_low);
stats->obytes = __MERGE_64B_H_L(ena_stats.tx_bytes_high,
ena_stats.tx_bytes_low);
- stats->imissed = __MERGE_64B_H_L(ena_stats.rx_drops_high,
- ena_stats.rx_drops_low);
/* Driver related stats */
+ stats->imissed = rte_atomic64_read(&adapter->drv_stats->rx_drops);
stats->ierrors = rte_atomic64_read(&adapter->drv_stats->ierrors);
stats->oerrors = rte_atomic64_read(&adapter->drv_stats->oerrors);
stats->rx_nombuf = rte_atomic64_read(&adapter->drv_stats->rx_nombuf);
+
+ max_rings_stats = RTE_MIN(dev->data->nb_rx_queues,
+ RTE_ETHDEV_QUEUE_STAT_CNTRS);
+ for (i = 0; i < max_rings_stats; ++i) {
+ struct ena_stats_rx *rx_stats = &adapter->rx_ring[i].rx_stats;
+
+ stats->q_ibytes[i] = rx_stats->bytes;
+ stats->q_ipackets[i] = rx_stats->cnt;
+ stats->q_errors[i] = rx_stats->bad_desc_num +
+ rx_stats->bad_req_id;
+ }
+
+ max_rings_stats = RTE_MIN(dev->data->nb_tx_queues,
+ RTE_ETHDEV_QUEUE_STAT_CNTRS);
+ for (i = 0; i < max_rings_stats; ++i) {
+ struct ena_stats_tx *tx_stats = &adapter->tx_ring[i].tx_stats;
+
+ stats->q_obytes[i] = tx_stats->bytes;
+ stats->q_opackets[i] = tx_stats->cnt;
+ }
+
+ return 0;
}
static int ena_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
struct ena_com_dev *ena_dev;
int rc = 0;
- ena_assert_msg(dev->data != NULL, "Uninitialized device");
- ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device");
+ ena_assert_msg(dev->data != NULL, "Uninitialized device\n");
+ ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device\n");
adapter = (struct ena_adapter *)(dev->data->dev_private);
ena_dev = &adapter->ena_dev;
- ena_assert_msg(ena_dev != NULL, "Uninitialized device");
+ ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
- if (mtu > ena_get_mtu_conf(adapter)) {
+ if (mtu > ena_get_mtu_conf(adapter) || mtu < ENA_MIN_MTU) {
RTE_LOG(ERR, PMD,
- "Given MTU (%d) exceeds maximum MTU supported (%d)\n",
- mtu, ena_get_mtu_conf(adapter));
- rc = -EINVAL;
- goto err;
+ "Invalid MTU setting. new_mtu: %d "
+ "max mtu: %d min mtu: %d\n",
+ mtu, ena_get_mtu_conf(adapter), ENA_MIN_MTU);
+ return -EINVAL;
}
rc = ena_com_set_dev_mtu(ena_dev, mtu);
else
RTE_LOG(NOTICE, PMD, "Set MTU: %d\n", mtu);
-err:
return rc;
}
{
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
+ uint64_t ticks;
int rc = 0;
- if (!(adapter->state == ENA_ADAPTER_STATE_CONFIG ||
- adapter->state == ENA_ADAPTER_STATE_STOPPED)) {
- PMD_INIT_LOG(ERR, "API violation");
- return -1;
- }
-
rc = ena_check_valid_conf(adapter);
if (rc)
return rc;
- rc = ena_queue_restart_all(dev, ENA_RING_TYPE_RX);
+ rc = ena_queue_start_all(dev, ENA_RING_TYPE_RX);
if (rc)
return rc;
- rc = ena_queue_restart_all(dev, ENA_RING_TYPE_TX);
+ rc = ena_queue_start_all(dev, ENA_RING_TYPE_TX);
if (rc)
- return rc;
+ goto err_start_tx;
if (adapter->rte_dev->data->dev_conf.rxmode.mq_mode &
- ETH_MQ_RX_RSS_FLAG) {
+ ETH_MQ_RX_RSS_FLAG && adapter->rte_dev->data->nb_rx_queues > 0) {
rc = ena_rss_init_default(adapter);
if (rc)
- return rc;
+ goto err_rss_init;
}
ena_stats_restart(dev);
+ adapter->timestamp_wd = rte_get_timer_cycles();
+ adapter->keep_alive_timeout = ENA_DEVICE_KALIVE_TIMEOUT;
+
+ ticks = rte_get_timer_hz();
+ rte_timer_reset(&adapter->timer_wd, ticks, PERIODICAL, rte_lcore_id(),
+ ena_timer_wd_callback, adapter);
+
+ ++adapter->dev_stats.dev_start;
adapter->state = ENA_ADAPTER_STATE_RUNNING;
return 0;
+
+err_rss_init:
+ ena_queue_stop_all(dev, ENA_RING_TYPE_TX);
+err_start_tx:
+ ena_queue_stop_all(dev, ENA_RING_TYPE_RX);
+ return rc;
+}
+
+static void ena_stop(struct rte_eth_dev *dev)
+{
+ struct ena_adapter *adapter =
+ (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_com_dev *ena_dev = &adapter->ena_dev;
+ int rc;
+
+ 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);
+ }
+
+ ++adapter->dev_stats.dev_stop;
+ adapter->state = ENA_ADAPTER_STATE_STOPPED;
}
-static int ena_queue_restart(struct ena_ring *ring)
+static int ena_create_io_queue(struct ena_ring *ring)
{
+ struct ena_adapter *adapter;
+ struct ena_com_dev *ena_dev;
+ struct ena_com_create_io_ctx ctx =
+ /* policy set to _HOST just to satisfy icc compiler */
+ { ENA_ADMIN_PLACEMENT_POLICY_HOST,
+ 0, 0, 0, 0, 0 };
+ uint16_t ena_qid;
+ unsigned int i;
int rc;
+ adapter = ring->adapter;
+ ena_dev = &adapter->ena_dev;
+
+ 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;
+ for (i = 0; i < ring->ring_size; i++)
+ ring->empty_rx_reqs[i] = i;
+ }
+ ctx.qid = ena_qid;
+ ctx.msix_vector = -1; /* interrupts not used */
+ ctx.numa_node = ena_cpu_to_node(ring->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",
+ ring->id, ena_qid, rc);
+ return rc;
+ }
+
+ rc = ena_com_get_io_handlers(ena_dev, ena_qid,
+ &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",
+ 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);
+
+ return 0;
+}
+
+static void ena_queue_stop(struct ena_ring *ring)
+{
+ struct ena_com_dev *ena_dev = &ring->adapter->ena_dev;
+
+ if (ring->type == ENA_RING_TYPE_RX) {
+ ena_com_destroy_io_queue(ena_dev, ENA_IO_RXQ_IDX(ring->id));
+ ena_rx_queue_release_bufs(ring);
+ } else {
+ ena_com_destroy_io_queue(ena_dev, ENA_IO_TXQ_IDX(ring->id));
+ ena_tx_queue_release_bufs(ring);
+ }
+}
+
+static void ena_queue_stop_all(struct rte_eth_dev *dev,
+ enum ena_ring_type ring_type)
+{
+ struct ena_adapter *adapter =
+ (struct ena_adapter *)(dev->data->dev_private);
+ struct ena_ring *queues = NULL;
+ uint16_t nb_queues, i;
+
+ if (ring_type == ENA_RING_TYPE_RX) {
+ queues = adapter->rx_ring;
+ nb_queues = dev->data->nb_rx_queues;
+ } else {
+ queues = adapter->tx_ring;
+ nb_queues = dev->data->nb_tx_queues;
+ }
+
+ for (i = 0; i < nb_queues; ++i)
+ if (queues[i].configured)
+ ena_queue_stop(&queues[i]);
+}
+
+static int ena_queue_start(struct ena_ring *ring)
+{
+ int rc, bufs_num;
+
ena_assert_msg(ring->configured == 1,
- "Trying to restart unconfigured queue\n");
+ "Trying to start unconfigured queue\n");
+
+ rc = ena_create_io_queue(ring);
+ if (rc) {
+ PMD_INIT_LOG(ERR, "Failed to create IO queue!");
+ return rc;
+ }
ring->next_to_clean = 0;
ring->next_to_use = 0;
- if (ring->type == ENA_RING_TYPE_TX)
+ if (ring->type == ENA_RING_TYPE_TX) {
+ ring->tx_stats.available_desc =
+ ena_com_free_desc(ring->ena_com_io_sq);
return 0;
+ }
- rc = ena_populate_rx_queue(ring, ring->ring_size);
- if ((unsigned int)rc != ring->ring_size) {
- PMD_INIT_LOG(ERR, "Failed to populate rx ring !\n");
- return (-1);
+ bufs_num = ring->ring_size - 1;
+ rc = ena_populate_rx_queue(ring, bufs_num);
+ 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 !");
+ return ENA_COM_FAULT;
}
return 0;
uint16_t queue_idx,
uint16_t nb_desc,
__rte_unused unsigned int socket_id,
- __rte_unused const struct rte_eth_txconf *tx_conf)
+ const struct rte_eth_txconf *tx_conf)
{
- struct ena_com_create_io_ctx ctx =
- /* policy set to _HOST just to satisfy icc compiler */
- { ENA_ADMIN_PLACEMENT_POLICY_HOST,
- ENA_COM_IO_QUEUE_DIRECTION_TX, 0, 0, 0, 0 };
struct ena_ring *txq = NULL;
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
unsigned int i;
- int ena_qid;
- int rc;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
txq = &adapter->tx_ring[queue_idx];
RTE_LOG(CRIT, PMD,
"API violation. Queue %d is already configured\n",
queue_idx);
- return -1;
+ return ENA_COM_FAULT;
}
if (!rte_is_power_of_2(nb_desc)) {
RTE_LOG(ERR, PMD,
- "Unsupported size of RX queue: %d is not a power of 2.",
+ "Unsupported size of TX queue: %d is not a power of 2.\n",
nb_desc);
return -EINVAL;
}
return -EINVAL;
}
- ena_qid = ENA_IO_TXQ_IDX(queue_idx);
-
- ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_TX;
- ctx.qid = ena_qid;
- ctx.msix_vector = -1; /* admin interrupts not used */
- ctx.mem_queue_type = ena_dev->tx_mem_queue_type;
- ctx.queue_size = adapter->tx_ring_size;
- ctx.numa_node = ena_cpu_to_node(queue_idx);
-
- rc = ena_com_create_io_queue(ena_dev, &ctx);
- if (rc) {
- RTE_LOG(ERR, PMD,
- "failed to create io TX queue #%d (qid:%d) rc: %d\n",
- queue_idx, ena_qid, rc);
- }
- txq->ena_com_io_cq = &ena_dev->io_cq_queues[ena_qid];
- txq->ena_com_io_sq = &ena_dev->io_sq_queues[ena_qid];
-
- rc = ena_com_get_io_handlers(ena_dev, ena_qid,
- &txq->ena_com_io_sq,
- &txq->ena_com_io_cq);
- if (rc) {
- RTE_LOG(ERR, PMD,
- "Failed to get TX queue handlers. TX queue num %d rc: %d\n",
- queue_idx, rc);
- ena_com_destroy_io_queue(ena_dev, ena_qid);
- goto err;
- }
+ 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;
rte_free(txq->tx_buffer_info);
return -ENOMEM;
}
+
+ txq->push_buf_intermediate_buf =
+ rte_zmalloc("txq->push_buf_intermediate_buf",
+ txq->tx_max_header_size,
+ RTE_CACHE_LINE_SIZE);
+ if (!txq->push_buf_intermediate_buf) {
+ RTE_LOG(ERR, PMD, "failed to alloc push buff 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;
+ }
/* Store pointer to this queue in upper layer */
txq->configured = 1;
dev->data->tx_queues[queue_idx] = txq;
-err:
- return rc;
+
+ return 0;
}
static int ena_rx_queue_setup(struct rte_eth_dev *dev,
__rte_unused const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
- struct ena_com_create_io_ctx ctx =
- /* policy set to _HOST just to satisfy icc compiler */
- { ENA_ADMIN_PLACEMENT_POLICY_HOST,
- ENA_COM_IO_QUEUE_DIRECTION_RX, 0, 0, 0, 0 };
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
struct ena_ring *rxq = NULL;
- uint16_t ena_qid = 0;
- int rc = 0;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
+ int i;
rxq = &adapter->rx_ring[queue_idx];
if (rxq->configured) {
RTE_LOG(CRIT, PMD,
"API violation. Queue %d is already configured\n",
queue_idx);
- return -1;
+ 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 TX queue: %d is not a power of 2.",
+ "Unsupported size of RX queue: %d is not a power of 2.\n",
nb_desc);
return -EINVAL;
}
return -EINVAL;
}
- ena_qid = ENA_IO_RXQ_IDX(queue_idx);
-
- ctx.qid = ena_qid;
- ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_RX;
- ctx.mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
- ctx.msix_vector = -1; /* admin interrupts not used */
- ctx.queue_size = adapter->rx_ring_size;
- ctx.numa_node = ena_cpu_to_node(queue_idx);
-
- rc = ena_com_create_io_queue(ena_dev, &ctx);
- if (rc)
- RTE_LOG(ERR, PMD, "failed to create io RX queue #%d rc: %d\n",
- queue_idx, rc);
-
- rxq->ena_com_io_cq = &ena_dev->io_cq_queues[ena_qid];
- rxq->ena_com_io_sq = &ena_dev->io_sq_queues[ena_qid];
-
- rc = ena_com_get_io_handlers(ena_dev, ena_qid,
- &rxq->ena_com_io_sq,
- &rxq->ena_com_io_cq);
- if (rc) {
- RTE_LOG(ERR, PMD,
- "Failed to get RX queue handlers. RX queue num %d rc: %d\n",
- queue_idx, rc);
- ena_com_destroy_io_queue(ena_dev, ena_qid);
- }
-
rxq->port_id = dev->data->port_id;
rxq->next_to_clean = 0;
rxq->next_to_use = 0;
return -ENOMEM;
}
- /* Store pointer to this queue in upper layer */
- rxq->configured = 1;
- dev->data->rx_queues[queue_idx] = rxq;
+ rxq->rx_refill_buffer = rte_zmalloc("rxq->rx_refill_buffer",
+ sizeof(struct rte_mbuf *) * nb_desc,
+ RTE_CACHE_LINE_SIZE);
- return rc;
+ if (!rxq->rx_refill_buffer) {
+ RTE_LOG(ERR, PMD, "failed to alloc mem 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);
+ if (!rxq->empty_rx_reqs) {
+ RTE_LOG(ERR, PMD, "failed to alloc mem for empty rx reqs\n");
+ rte_free(rxq->rx_buffer_info);
+ rxq->rx_buffer_info = NULL;
+ rte_free(rxq->rx_refill_buffer);
+ rxq->rx_refill_buffer = NULL;
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < nb_desc; i++)
+ rxq->empty_rx_reqs[i] = i;
+
+ /* Store pointer to this queue in upper layer */
+ rxq->configured = 1;
+ dev->data->rx_queues[queue_idx] = rxq;
+
+ return 0;
}
static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count)
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;
- struct rte_mbuf **mbufs = &rxq->rx_buffer_info[0];
+ uint16_t in_use, req_id;
+ 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");
-
- count = RTE_MIN(count,
- (uint16_t)(ring_size - (next_to_use & ring_mask)));
+ ena_assert_msg(((in_use + count) < ring_size), "bad ring state\n");
/* get resources for incoming packets */
- rc = rte_mempool_get_bulk(rxq->mb_pool,
- (void **)(&mbufs[next_to_use & ring_mask]),
- count);
+ rc = rte_mempool_get_bulk(rxq->mb_pool, (void **)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");
return 0;
}
for (i = 0; i < count; i++) {
uint16_t next_to_use_masked = next_to_use & ring_mask;
- struct rte_mbuf *mbuf = mbufs[next_to_use_masked];
+ struct rte_mbuf *mbuf = mbufs[i];
struct ena_com_buf ebuf;
- rte_prefetch0(mbufs[((next_to_use + 4) & ring_mask)]);
+ 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_physaddr + RTE_PKTMBUF_HEADROOM;
+ 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, next_to_use_masked);
+ &ebuf, req_id);
if (unlikely(rc)) {
RTE_LOG(WARNING, PMD, "failed adding rx desc\n");
+ rxq->rx_buffer_info[req_id] = NULL;
break;
}
next_to_use++;
}
+ 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);
+ ++rxq->rx_stats.refill_partial;
+ }
+
/* When we submitted free recources to device... */
- if (i > 0) {
- /* ...let HW know that it can fill buffers with data */
+ 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();
ena_com_write_sq_doorbell(rxq->ena_com_io_sq);
}
static int ena_device_init(struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx)
+ struct ena_com_dev_get_features_ctx *get_feat_ctx,
+ bool *wd_state)
{
+ uint32_t aenq_groups;
int rc;
bool readless_supported;
ena_com_set_mmio_read_mode(ena_dev, readless_supported);
/* reset device */
- rc = ena_com_dev_reset(ena_dev);
+ rc = ena_com_dev_reset(ena_dev, ENA_REGS_RESET_NORMAL);
if (rc) {
RTE_LOG(ERR, PMD, "cannot reset device\n");
goto err_mmio_read_less;
ena_dev->dma_addr_bits = ena_com_get_dma_width(ena_dev);
/* ENA device administration layer init */
- rc = ena_com_admin_init(ena_dev, NULL, true);
+ rc = ena_com_admin_init(ena_dev, &aenq_handlers);
if (rc) {
RTE_LOG(ERR, PMD,
"cannot initialize ena admin queue with device\n");
goto err_mmio_read_less;
}
- ena_config_host_info(ena_dev);
-
/* To enable the msix interrupts the driver needs to know the number
* of queues. So the driver uses polling mode to retrieve this
* information.
*/
ena_com_set_admin_polling_mode(ena_dev, true);
+ ena_config_host_info(ena_dev);
+
/* Get Device Attributes and features */
rc = ena_com_get_dev_attr_feat(ena_dev, get_feat_ctx);
if (rc) {
goto err_admin_init;
}
+ aenq_groups = BIT(ENA_ADMIN_LINK_CHANGE) |
+ BIT(ENA_ADMIN_NOTIFICATION) |
+ BIT(ENA_ADMIN_KEEP_ALIVE) |
+ BIT(ENA_ADMIN_FATAL_ERROR) |
+ BIT(ENA_ADMIN_WARNING);
+
+ 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);
+ goto err_admin_init;
+ }
+
+ *wd_state = !!(aenq_groups & BIT(ENA_ADMIN_KEEP_ALIVE));
+
return 0;
err_admin_init:
return rc;
}
+static void ena_interrupt_handler_rte(void *cb_arg)
+{
+ struct ena_adapter *adapter = (struct ena_adapter *)cb_arg;
+ 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);
+}
+
+static void check_for_missing_keep_alive(struct ena_adapter *adapter)
+{
+ if (!adapter->wd_state)
+ return;
+
+ if (adapter->keep_alive_timeout == ENA_HW_HINTS_NO_TIMEOUT)
+ return;
+
+ if (unlikely((rte_get_timer_cycles() - adapter->timestamp_wd) >=
+ adapter->keep_alive_timeout)) {
+ RTE_LOG(ERR, PMD, "Keep alive timeout\n");
+ adapter->reset_reason = ENA_REGS_RESET_KEEP_ALIVE_TO;
+ adapter->trigger_reset = true;
+ ++adapter->dev_stats.wd_expired;
+ }
+}
+
+/* Check if admin queue is enabled */
+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");
+ adapter->reset_reason = ENA_REGS_RESET_ADMIN_TO;
+ adapter->trigger_reset = true;
+ }
+}
+
+static void ena_timer_wd_callback(__rte_unused struct rte_timer *timer,
+ void *arg)
+{
+ struct ena_adapter *adapter = (struct ena_adapter *)arg;
+ struct rte_eth_dev *dev = adapter->rte_dev;
+
+ check_for_missing_keep_alive(adapter);
+ check_for_admin_com_state(adapter);
+
+ if (unlikely(adapter->trigger_reset)) {
+ RTE_LOG(ERR, PMD, "Trigger reset is on\n");
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
+ NULL);
+ }
+}
+
+static inline void
+set_default_llq_configurations(struct ena_llq_configurations *llq_config)
+{
+ 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;
+}
+
+static int
+ena_set_queues_placement_policy(struct ena_adapter *adapter,
+ struct ena_com_dev *ena_dev,
+ struct ena_admin_feature_llq_desc *llq,
+ struct ena_llq_configurations *llq_default_configurations)
+{
+ int rc;
+ u32 llq_feature_mask;
+
+ llq_feature_mask = 1 << ENA_ADMIN_LLQ;
+ if (!(ena_dev->supported_features & llq_feature_mask)) {
+ RTE_LOG(INFO, PMD,
+ "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.");
+ ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+ return 0;
+ }
+
+ /* Nothing to config, exit */
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
+ return 0;
+
+ if (!adapter->dev_mem_base) {
+ RTE_LOG(ERR, PMD, "Unable to access LLQ bar resource. "
+ "Fallback to host mode policy.\n.");
+ ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+ return 0;
+ }
+
+ ena_dev->mem_bar = adapter->dev_mem_base;
+
+ return 0;
+}
+
+static int ena_calc_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;
+
+ /* Regular queues capabilities */
+ if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
+ struct ena_admin_queue_ext_feature_fields *max_queue_ext =
+ &get_feat_ctx->max_queue_ext.max_queue_ext;
+ io_rx_num = RTE_MIN(max_queue_ext->max_rx_sq_num,
+ max_queue_ext->max_rx_cq_num);
+ io_tx_sq_num = max_queue_ext->max_tx_sq_num;
+ io_tx_cq_num = max_queue_ext->max_tx_cq_num;
+ } else {
+ struct ena_admin_queue_feature_desc *max_queues =
+ &get_feat_ctx->max_queues;
+ io_tx_sq_num = max_queues->max_sq_num;
+ io_tx_cq_num = max_queues->max_cq_num;
+ io_rx_num = RTE_MIN(io_tx_sq_num, io_tx_cq_num);
+ }
+
+ /* In case of LLQ use the llq number in the get feature cmd */
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+ io_tx_sq_num = get_feat_ctx->llq.max_llq_num;
+
+ io_queue_num = RTE_MIN(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);
+
+ if (unlikely(io_queue_num == 0)) {
+ RTE_LOG(ERR, PMD, "Number of IO queues should not be 0\n");
+ return -EFAULT;
+ }
+
+ return io_queue_num;
+}
+
static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
{
+ struct ena_calc_queue_size_ctx calc_queue_ctx = { 0 };
struct rte_pci_device *pci_dev;
+ struct rte_intr_handle *intr_handle;
struct ena_adapter *adapter =
(struct ena_adapter *)(eth_dev->data->dev_private);
struct ena_com_dev *ena_dev = &adapter->ena_dev;
struct ena_com_dev_get_features_ctx get_feat_ctx;
- int queue_size, rc;
+ struct ena_llq_configurations llq_config;
+ const char *queue_type_str;
+ int rc;
static int adapters_found;
-
- memset(adapter, 0, sizeof(struct ena_adapter));
- ena_dev = &adapter->ena_dev;
+ bool wd_state;
eth_dev->dev_ops = &ena_dev_ops;
eth_dev->rx_pkt_burst = ð_ena_recv_pkts;
eth_dev->tx_pkt_burst = ð_ena_xmit_pkts;
eth_dev->tx_pkt_prepare = ð_ena_prep_pkts;
- adapter->rte_eth_dev_data = eth_dev->data;
- adapter->rte_dev = eth_dev;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
- pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
+ 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;
+
+ pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
adapter->pdev = pci_dev;
- PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d\n",
+ PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d",
pci_dev->addr.domain,
pci_dev->addr.bus,
pci_dev->addr.devid,
pci_dev->addr.function);
+ 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;
- /* Present ENA_MEM_BAR indicates available LLQ mode.
- * Use corresponding policy
- */
- if (adapter->dev_mem_base)
- ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_DEV;
- else if (adapter->regs)
- ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
- else
- PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)\n",
+ if (!adapter->regs) {
+ PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)",
ENA_REGS_BAR);
+ return -ENXIO;
+ }
ena_dev->reg_bar = adapter->regs;
ena_dev->dmadev = adapter->pdev;
adapter->id_number);
/* device specific initialization routine */
- rc = ena_device_init(ena_dev, &get_feat_ctx);
+ rc = ena_device_init(ena_dev, &get_feat_ctx, &wd_state);
if (rc) {
- PMD_INIT_LOG(CRIT, "Failed to init ENA device\n");
- return -1;
- }
-
- if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- if (get_feat_ctx.max_queues.max_llq_num == 0) {
- PMD_INIT_LOG(ERR,
- "Trying to use LLQ but llq_num is 0.\n"
- "Fall back into regular queues.\n");
- ena_dev->tx_mem_queue_type =
- ENA_ADMIN_PLACEMENT_POLICY_HOST;
- adapter->num_queues =
- get_feat_ctx.max_queues.max_sq_num;
- } else {
- adapter->num_queues =
- get_feat_ctx.max_queues.max_llq_num;
- }
- } else {
- adapter->num_queues = get_feat_ctx.max_queues.max_sq_num;
+ PMD_INIT_LOG(CRIT, "Failed to init ENA device");
+ goto err;
}
+ adapter->wd_state = wd_state;
- queue_size = ena_calc_queue_size(ena_dev, &get_feat_ctx);
- if ((queue_size <= 0) || (adapter->num_queues <= 0))
- return -EFAULT;
+ set_default_llq_configurations(&llq_config);
+ 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");
+ return rc;
+ }
- adapter->tx_ring_size = queue_size;
- adapter->rx_ring_size = queue_size;
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
+ queue_type_str = "Regular";
+ else
+ queue_type_str = "Low latency";
+ RTE_LOG(INFO, PMD, "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))) {
+ 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_sgl_size = calc_queue_ctx.max_tx_sgl_size;
+ adapter->max_rx_sgl_size = calc_queue_ctx.max_rx_sgl_size;
/* prepare ring structures */
ena_init_rings(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;
+
/* Copy MAC address and point DPDK to it */
- eth_dev->data->mac_addrs = (struct ether_addr *)adapter->mac_addr;
- ether_addr_copy((struct ether_addr *)get_feat_ctx.dev_attr.mac_addr,
- (struct ether_addr *)adapter->mac_addr);
+ eth_dev->data->mac_addrs = (struct rte_ether_addr *)adapter->mac_addr;
+ ether_addr_copy((struct rte_ether_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;
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");
- return -ENOMEM;
+ rc = -ENOMEM;
+ goto err_delete_debug_area;
}
+ rte_intr_callback_register(intr_handle,
+ ena_interrupt_handler_rte,
+ adapter);
+ rte_intr_enable(intr_handle);
+ ena_com_set_admin_polling_mode(ena_dev, false);
+ ena_com_admin_aenq_enable(ena_dev);
+
+ if (adapters_found == 0)
+ rte_timer_subsystem_init();
+ rte_timer_init(&adapter->timer_wd);
+
adapters_found++;
adapter->state = ENA_ADAPTER_STATE_INIT;
+ return 0;
+
+err_delete_debug_area:
+ ena_com_delete_debug_area(ena_dev);
+
+err_device_destroy:
+ ena_com_delete_host_info(ena_dev);
+ ena_com_admin_destroy(ena_dev);
+
+err:
+ return rc;
+}
+
+static void ena_destroy_device(struct rte_eth_dev *eth_dev)
+{
+ struct ena_adapter *adapter =
+ (struct ena_adapter *)(eth_dev->data->dev_private);
+ struct ena_com_dev *ena_dev = &adapter->ena_dev;
+
+ if (adapter->state == ENA_ADAPTER_STATE_FREE)
+ return;
+
+ ena_com_set_admin_running_state(ena_dev, false);
+
+ if (adapter->state != ENA_ADAPTER_STATE_CLOSED)
+ ena_close(eth_dev);
+
+ ena_com_delete_debug_area(ena_dev);
+ ena_com_delete_host_info(ena_dev);
+
+ ena_com_abort_admin_commands(ena_dev);
+ ena_com_wait_for_abort_completion(ena_dev);
+ ena_com_admin_destroy(ena_dev);
+ ena_com_mmio_reg_read_request_destroy(ena_dev);
+
+ adapter->state = ENA_ADAPTER_STATE_FREE;
+}
+
+static int eth_ena_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ 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;
}
struct ena_adapter *adapter =
(struct ena_adapter *)(dev->data->dev_private);
- if (!(adapter->state == ENA_ADAPTER_STATE_INIT ||
- adapter->state == ENA_ADAPTER_STATE_STOPPED)) {
- PMD_INIT_LOG(ERR, "Illegal adapter state: %d\n",
- adapter->state);
- return -1;
- }
-
- switch (adapter->state) {
- case ENA_ADAPTER_STATE_INIT:
- case ENA_ADAPTER_STATE_STOPPED:
- adapter->state = ENA_ADAPTER_STATE_CONFIG;
- break;
- case ENA_ADAPTER_STATE_CONFIG:
- RTE_LOG(WARNING, PMD,
- "Ivalid driver state while trying to configure device\n");
- break;
- default:
- break;
- }
+ adapter->state = ENA_ADAPTER_STATE_CONFIG;
+ adapter->tx_selected_offloads = dev->data->dev_conf.txmode.offloads;
+ adapter->rx_selected_offloads = dev->data->dev_conf.rxmode.offloads;
return 0;
}
ring->id = i;
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;
}
for (i = 0; i < adapter->num_queues; i++) {
ring->type = ENA_RING_TYPE_RX;
ring->adapter = adapter;
ring->id = i;
+ ring->sgl_size = adapter->max_rx_sgl_size;
}
}
{
struct ena_adapter *adapter;
struct ena_com_dev *ena_dev;
- struct ena_com_dev_get_features_ctx feat;
- uint32_t rx_feat = 0, tx_feat = 0;
- int rc = 0;
+ uint64_t rx_feat = 0, tx_feat = 0;
- ena_assert_msg(dev->data != NULL, "Uninitialized device");
- ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device");
+ ena_assert_msg(dev->data != NULL, "Uninitialized device\n");
+ ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device\n");
adapter = (struct ena_adapter *)(dev->data->dev_private);
ena_dev = &adapter->ena_dev;
- ena_assert_msg(ena_dev != NULL, "Uninitialized device");
-
- dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
+ ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
dev_info->speed_capa =
ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_50G |
ETH_LINK_SPEED_100G;
- /* Get supported features from HW */
- rc = ena_com_get_dev_attr_feat(ena_dev, &feat);
- if (unlikely(rc)) {
- RTE_LOG(ERR, PMD,
- "Cannot get attribute for ena device rc= %d\n", rc);
- return;
- }
-
/* Set Tx & Rx features available for device */
- if (feat.offload.tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK)
+ if (adapter->offloads.tso4_supported)
tx_feat |= DEV_TX_OFFLOAD_TCP_TSO;
- if (feat.offload.tx &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK)
+ if (adapter->offloads.tx_csum_supported)
tx_feat |= DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM;
- if (feat.offload.rx_supported &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK)
+ if (adapter->offloads.rx_csum_supported)
rx_feat |= DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
+ rx_feat |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+
/* 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;
+
+ dev_info->flow_type_rss_offloads = ETH_RSS_IP | ETH_RSS_TCP |
+ ETH_RSS_UDP;
dev_info->min_rx_bufsize = ENA_MIN_FRAME_LEN;
dev_info->max_rx_pktlen = adapter->max_mtu;
dev_info->max_rx_queues = adapter->num_queues;
dev_info->max_tx_queues = adapter->num_queues;
dev_info->reta_size = ENA_RX_RSS_TABLE_SIZE;
+
+ adapter->tx_supported_offloads = tx_feat;
+ adapter->rx_supported_offloads = rx_feat;
+
+ dev_info->rx_desc_lim.nb_max = 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);
+
+ dev_info->tx_desc_lim.nb_max = adapter->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);
}
static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
unsigned int ring_mask = ring_size - 1;
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;
for (completed = 0; completed < nb_pkts; completed++) {
int segments = 0;
- ena_rx_ctx.max_bufs = rx_ring->ring_size;
+ ena_rx_ctx.max_bufs = rx_ring->sgl_size;
ena_rx_ctx.ena_bufs = rx_ring->ena_bufs;
ena_rx_ctx.descs = 0;
/* receive packet context */
&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;
+ rx_ring->adapter->trigger_reset = true;
+ ++rx_ring->rx_stats.bad_desc_num;
return 0;
}
break;
while (segments < ena_rx_ctx.descs) {
- mbuf = rx_buff_info[next_to_clean & ring_mask];
+ 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 (segments == 0) {
+ if (unlikely(segments == 0)) {
mbuf->nb_segs = ena_rx_ctx.descs;
mbuf->port = rx_ring->port_id;
mbuf->pkt_len = 0;
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);
- mbuf_head->hash.rss = (uint32_t)rx_ring->id;
+
+ if (unlikely(mbuf_head->ol_flags &
+ (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD)))
+ ++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_ring->rx_stats.cnt += recv_idx;
+ rx_ring->next_to_clean = next_to_clean;
+
+ desc_in_use = desc_in_use - completed + 1;
/* Burst refill to save doorbells, memory barriers, const interval */
- if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size))
+ if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size)) {
+ ena_com_update_dev_comp_head(rx_ring->ena_com_io_cq);
ena_populate_rx_queue(rx_ring, ring_size - desc_in_use);
-
- rx_ring->next_to_clean = next_to_clean;
+ }
return recv_idx;
}
static uint16_t
-eth_ena_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+eth_ena_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
{
int32_t ret;
uint32_t i;
struct rte_mbuf *m;
+ struct ena_ring *tx_ring = (struct ena_ring *)(tx_queue);
+ struct ipv4_hdr *ip_hdr;
uint64_t ol_flags;
+ uint16_t frag_field;
for (i = 0; i != nb_pkts; i++) {
m = tx_pkts[i];
ol_flags = m->ol_flags;
+ if (!(ol_flags & PKT_TX_IPV4))
+ 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 ipv4_hdr *,
+ m->l2_len);
+ frag_field = rte_be_to_cpu_16(ip_hdr->fragment_offset);
+
+ if ((frag_field & 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) {
- rte_errno = -ENOTSUP;
+ rte_errno = ENOTSUP;
return i;
}
#ifdef RTE_LIBRTE_ETHDEV_DEBUG
ret = rte_validate_tx_offload(m);
if (ret != 0) {
- rte_errno = ret;
+ rte_errno = -ret;
return i;
}
#endif
- /* ENA doesn't need different phdr cskum for TSO */
+
+ /* 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.
+ */
+
ret = rte_net_intel_cksum_flags_prepare(m,
ol_flags & ~PKT_TX_TCP_SEG);
if (ret != 0) {
- rte_errno = ret;
+ rte_errno = -ret;
return i;
}
}
return i;
}
+static void ena_update_hints(struct ena_adapter *adapter,
+ struct ena_admin_ena_hw_hints *hints)
+{
+ if (hints->admin_completion_tx_timeout)
+ adapter->ena_dev.admin_queue.completion_timeout =
+ hints->admin_completion_tx_timeout * 1000;
+
+ if (hints->mmio_read_timeout)
+ /* convert to usec */
+ adapter->ena_dev.mmio_read.reg_read_to =
+ hints->mmio_read_timeout * 1000;
+
+ if (hints->driver_watchdog_timeout) {
+ if (hints->driver_watchdog_timeout == ENA_HW_HINTS_NO_TIMEOUT)
+ adapter->keep_alive_timeout = ENA_HW_HINTS_NO_TIMEOUT;
+ else
+ // Convert msecs to ticks
+ adapter->keep_alive_timeout =
+ (hints->driver_watchdog_timeout *
+ rte_get_timer_hz()) / 1000;
+ }
+}
+
+static int ena_check_and_linearize_mbuf(struct ena_ring *tx_ring,
+ struct rte_mbuf *mbuf)
+{
+ struct ena_com_dev *ena_dev;
+ int num_segments, header_len, rc;
+
+ ena_dev = &tx_ring->adapter->ena_dev;
+ num_segments = mbuf->nb_segs;
+ header_len = mbuf->data_len;
+
+ if (likely(num_segments < tx_ring->sgl_size))
+ return 0;
+
+ 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;
+
+ ++tx_ring->tx_stats.linearize;
+ rc = rte_pktmbuf_linearize(mbuf);
+ if (unlikely(rc)) {
+ RTE_LOG(WARNING, PMD, "Mbuf linearize failed\n");
+ rte_atomic64_inc(&tx_ring->adapter->drv_stats->ierrors);
+ ++tx_ring->tx_stats.linearize_failed;
+ return rc;
+ }
+
+ return rc;
+}
+
static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
{
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_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;
/* Check adapter state */
if (unlikely(tx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
for (sent_idx = 0; sent_idx < nb_pkts; sent_idx++) {
mbuf = tx_pkts[sent_idx];
+ total_length = 0;
+
+ rc = ena_check_and_linearize_mbuf(tx_ring, mbuf);
+ if (unlikely(rc))
+ break;
req_id = tx_ring->empty_tx_reqs[next_to_use & ring_mask];
tx_info = &tx_ring->tx_buffer_info[req_id];
sizeof(struct ena_com_tx_meta));
ena_tx_ctx.ena_bufs = ebuf;
ena_tx_ctx.req_id = req_id;
+
+ delta = 0;
+ seg_len = mbuf->data_len;
+
if (tx_ring->tx_mem_queue_type ==
ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- /* prepare the push buffer with
- * virtual address of the data
- */
- ena_tx_ctx.header_len =
- RTE_MIN(mbuf->data_len,
- tx_ring->tx_max_header_size);
- ena_tx_ctx.push_header =
- (void *)((char *)mbuf->buf_addr +
- mbuf->data_off);
+ push_len = RTE_MIN(mbuf->pkt_len,
+ tx_ring->tx_max_header_size);
+ ena_tx_ctx.header_len = push_len;
+
+ if (likely(push_len <= seg_len)) {
+ /* If the push header is in the single segment,
+ * then just point it to the 1st mbuf data.
+ */
+ 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 */
/* Set TX offloads flags, if applicable */
- ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx);
+ ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads);
if (unlikely(mbuf->ol_flags &
(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD)))
/* Process first segment taking into
* consideration pushed header
*/
- if (mbuf->data_len > ena_tx_ctx.header_len) {
- ebuf->paddr = mbuf->buf_physaddr +
+ if (seg_len > push_len) {
+ ebuf->paddr = mbuf->buf_iova +
mbuf->data_off +
- ena_tx_ctx.header_len;
- ebuf->len = mbuf->data_len - ena_tx_ctx.header_len;
+ push_len;
+ ebuf->len = seg_len - push_len;
ebuf++;
tx_info->num_of_bufs++;
}
+ total_length += mbuf->data_len;
while ((mbuf = mbuf->next) != NULL) {
- ebuf->paddr = mbuf->buf_physaddr + mbuf->data_off;
- ebuf->len = mbuf->data_len;
+ seg_len = mbuf->data_len;
+
+ /* Skip mbufs if whole data is pushed as a header */
+ if (unlikely(delta > seg_len)) {
+ delta -= seg_len;
+ continue;
+ }
+
+ ebuf->paddr = mbuf->buf_iova + mbuf->data_off + delta;
+ ebuf->len = seg_len - delta;
+ total_length += ebuf->len;
ebuf++;
tx_info->num_of_bufs++;
+
+ delta = 0;
}
ena_tx_ctx.num_bufs = tx_info->num_of_bufs;
- /* Write data to device */
+ 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);
+ }
+
+ /* 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))
+ if (unlikely(rc)) {
+ ++tx_ring->tx_stats.prepare_ctx_err;
break;
-
+ }
tx_info->tx_descs = nb_hw_desc;
next_to_use++;
+ tx_ring->tx_stats.cnt += tx_info->num_of_bufs;
+ tx_ring->tx_stats.bytes += total_length;
}
+ tx_ring->tx_stats.available_desc =
+ ena_com_free_desc(tx_ring->ena_com_io_sq);
/* 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;
}
/* Clear complete packets */
while (ena_com_tx_comp_req_id_get(tx_ring->ena_com_io_cq, &req_id) >= 0) {
+ rc = validate_tx_req_id(tx_ring, req_id);
+ if (rc)
+ break;
+
/* 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;
/* Free whole mbuf chain */
mbuf = tx_info->mbuf;
rte_pktmbuf_free(mbuf);
+ tx_info->mbuf = NULL;
/* Put back descriptor to the ring for reuse */
tx_ring->empty_tx_reqs[next_to_clean & ring_mask] = req_id;
if (unlikely(total_tx_descs > ENA_RING_DESCS_RATIO(ring_size)))
break;
}
+ tx_ring->tx_stats.available_desc =
+ ena_com_free_desc(tx_ring->ena_com_io_sq);
if (total_tx_descs > 0) {
/* acknowledge completion of sent packets */
- ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
tx_ring->next_to_clean = next_to_clean;
+ 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);
}
+ tx_ring->tx_stats.tx_poll++;
+
return sent_idx;
}
-static struct eth_driver rte_ena_pmd = {
- .pci_drv = {
- .id_table = pci_id_ena_map,
- .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
- .probe = rte_eth_dev_pci_probe,
- .remove = rte_eth_dev_pci_remove,
- },
- .eth_dev_init = eth_ena_dev_init,
- .dev_private_size = sizeof(struct ena_adapter),
+/**
+ * DPDK callback to retrieve names of extended device statistics
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] xstats_names
+ * Buffer to insert names into.
+ * @param n
+ * Number of names.
+ *
+ * @return
+ * Number of xstats names.
+ */
+static int ena_xstats_get_names(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int n)
+{
+ unsigned int xstats_count = ena_xstats_calc_num(dev);
+ unsigned int stat, i, count = 0;
+
+ if (n < xstats_count || !xstats_names)
+ return xstats_count;
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++)
+ strcpy(xstats_names[count].name,
+ ena_stats_global_strings[stat].name);
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_RX; stat++)
+ for (i = 0; i < dev->data->nb_rx_queues; i++, count++)
+ snprintf(xstats_names[count].name,
+ sizeof(xstats_names[count].name),
+ "rx_q%d_%s", i,
+ ena_stats_rx_strings[stat].name);
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_TX; stat++)
+ for (i = 0; i < dev->data->nb_tx_queues; i++, count++)
+ snprintf(xstats_names[count].name,
+ sizeof(xstats_names[count].name),
+ "tx_q%d_%s", i,
+ ena_stats_tx_strings[stat].name);
+
+ return xstats_count;
+}
+
+/**
+ * DPDK callback to get extended device statistics.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] stats
+ * Stats table output buffer.
+ * @param n
+ * The size of the stats table.
+ *
+ * @return
+ * Number of xstats on success, negative on failure.
+ */
+static int ena_xstats_get(struct rte_eth_dev *dev,
+ struct rte_eth_xstat *xstats,
+ unsigned int n)
+{
+ struct ena_adapter *adapter =
+ (struct ena_adapter *)(dev->data->dev_private);
+ unsigned int xstats_count = ena_xstats_calc_num(dev);
+ unsigned int stat, i, count = 0;
+ int stat_offset;
+ void *stats_begin;
+
+ if (n < xstats_count)
+ return xstats_count;
+
+ if (!xstats)
+ return 0;
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++) {
+ stat_offset = ena_stats_rx_strings[stat].stat_offset;
+ stats_begin = &adapter->dev_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;
+ stats_begin = &adapter->rx_ring[i].rx_stats;
+
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
+ }
+ }
+
+ for (stat = 0; stat < ENA_STATS_ARRAY_TX; stat++) {
+ for (i = 0; i < dev->data->nb_tx_queues; i++, count++) {
+ stat_offset = ena_stats_tx_strings[stat].stat_offset;
+ stats_begin = &adapter->tx_ring[i].rx_stats;
+
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
+ }
+ }
+
+ return count;
+}
+
+static int ena_xstats_get_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ uint64_t *values,
+ unsigned int n)
+{
+ struct ena_adapter *adapter =
+ (struct ena_adapter *)(dev->data->dev_private);
+ uint64_t id;
+ uint64_t rx_entries, tx_entries;
+ unsigned int i;
+ int qid;
+ int valid = 0;
+ for (i = 0; i < n; ++i) {
+ id = ids[i];
+ /* Check if id belongs to global statistics */
+ if (id < ENA_STATS_ARRAY_GLOBAL) {
+ values[i] = *((uint64_t *)&adapter->dev_stats + id);
+ ++valid;
+ continue;
+ }
+
+ /* Check if id belongs to rx queue statistics */
+ id -= ENA_STATS_ARRAY_GLOBAL;
+ rx_entries = ENA_STATS_ARRAY_RX * dev->data->nb_rx_queues;
+ if (id < rx_entries) {
+ qid = id % dev->data->nb_rx_queues;
+ id /= dev->data->nb_rx_queues;
+ values[i] = *((uint64_t *)
+ &adapter->rx_ring[qid].rx_stats + id);
+ ++valid;
+ continue;
+ }
+ /* Check if id belongs to rx queue statistics */
+ id -= rx_entries;
+ tx_entries = ENA_STATS_ARRAY_TX * dev->data->nb_tx_queues;
+ if (id < tx_entries) {
+ qid = id % dev->data->nb_tx_queues;
+ id /= dev->data->nb_tx_queues;
+ values[i] = *((uint64_t *)
+ &adapter->tx_ring[qid].tx_stats + id);
+ ++valid;
+ continue;
+ }
+ }
+
+ return valid;
+}
+
+/*********************************************************************
+ * PMD configuration
+ *********************************************************************/
+static int eth_ena_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_probe(pci_dev,
+ sizeof(struct ena_adapter), eth_ena_dev_init);
+}
+
+static int eth_ena_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev, eth_ena_dev_uninit);
+}
+
+static struct rte_pci_driver rte_ena_pmd = {
+ .id_table = pci_id_ena_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
+ RTE_PCI_DRV_WC_ACTIVATE,
+ .probe = eth_ena_pci_probe,
+ .remove = eth_ena_pci_remove,
};
-RTE_PMD_REGISTER_PCI(net_ena, rte_ena_pmd.pci_drv);
+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");
+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);
+}
+
+/******************************************************************************
+ ******************************** 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 ena_admin_aenq_link_change_desc *aenq_link_desc;
+ uint32_t status;
+
+ adapter = (struct ena_adapter *)adapter_data;
+ aenq_link_desc = (struct ena_admin_aenq_link_change_desc *)aenq_e;
+ eth_dev = adapter->rte_dev;
+
+ status = get_ena_admin_aenq_link_change_desc_link_status(aenq_link_desc);
+ adapter->link_status = status;
+
+ ena_link_update(eth_dev, 0);
+ _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+}
+
+static void ena_notification(void *data,
+ struct ena_admin_aenq_entry *aenq_e)
+{
+ struct ena_adapter *adapter = (struct ena_adapter *)data;
+ 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",
+ aenq_e->aenq_common_desc.group,
+ ENA_ADMIN_NOTIFICATION);
+
+ switch (aenq_e->aenq_common_desc.syndrom) {
+ 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);
+ }
+}
+
+static void ena_keep_alive(void *adapter_data,
+ __rte_unused struct ena_admin_aenq_entry *aenq_e)
+{
+ struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
+ struct ena_admin_aenq_keep_alive_desc *desc;
+ uint64_t rx_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);
+}
+
+/**
+ * This handler will called for unknown event group or unimplemented handlers
+ **/
+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");
+}
+
+static struct ena_aenq_handlers aenq_handlers = {
+ .handlers = {
+ [ENA_ADMIN_LINK_CHANGE] = ena_update_on_link_change,
+ [ENA_ADMIN_NOTIFICATION] = ena_notification,
+ [ENA_ADMIN_KEEP_ALIVE] = ena_keep_alive
+ },
+ .unimplemented_handler = unimplemented_aenq_handler
+};
git.droids-corp.org / dpdk.git / blobdiff