#include <rte_ether.h>
#include <rte_ethdev.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_eal_memconfig.h>
+#include <rte_net.h>
#include "ena_ethdev.h"
#include "ena_logs.h"
#include <ena_admin_defs.h>
#include <ena_eth_io_defs.h>
+#define DRV_MODULE_VER_MAJOR 1
+#define DRV_MODULE_VER_MINOR 0
+#define DRV_MODULE_VER_SUBMINOR 0
+
#define ENA_IO_TXQ_IDX(q) (2 * (q))
#define ENA_IO_RXQ_IDX(q) (2 * (q) + 1)
/*reverse version of ENA_IO_RXQ_IDX*/
#define ENA_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]))
+
+enum ethtool_stringset {
+ ETH_SS_TEST = 0,
+ ETH_SS_STATS,
+};
+
+struct ena_stats {
+ char name[ETH_GSTRING_LEN];
+ 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_RX_ENTRY(stat) \
+ ENA_STAT_ENTRY(stat, rx)
+
+#define ENA_STAT_TX_ENTRY(stat) \
+ ENA_STAT_ENTRY(stat, tx)
+
+#define ENA_STAT_GLOBAL_ENTRY(stat) \
+ ENA_STAT_ENTRY(stat, dev)
+
+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),
+};
+
+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(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),
+};
+
+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(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(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),
+};
+
+#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)
/** Vendor ID used by Amazon devices */
#define PCI_VENDOR_ID_AMAZON 0x1D0F
#define PCI_DEVICE_ID_ENA_VF 0xEC20
#define PCI_DEVICE_ID_ENA_LLQ_VF 0xEC21
-static struct rte_pci_id pci_id_ena_map[] = {
-#define RTE_PCI_DEV_ID_DECL_ENA(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#define ENA_TX_OFFLOAD_MASK (\
+ PKT_TX_L4_MASK | \
+ PKT_TX_IP_CKSUM | \
+ PKT_TX_TCP_SEG)
- RTE_PCI_DEV_ID_DECL_ENA(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF)
- RTE_PCI_DEV_ID_DECL_ENA(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF)
- {.device_id = 0},
+#define ENA_TX_OFFLOAD_NOTSUP_MASK \
+ (PKT_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
+
+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 int ena_device_init(struct ena_com_dev *ena_dev,
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 uint16_t eth_ena_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
static int ena_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
uint16_t nb_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf);
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_close(struct rte_eth_dev *dev);
-static void ena_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
+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);
+ 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);
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 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,
.reta_query = ena_rss_reta_query,
};
+#define NUMA_NO_NODE SOCKET_ID_ANY
+
+static inline int ena_cpu_to_node(int cpu)
+{
+ struct rte_config *config = rte_eal_get_configuration();
+
+ if (likely(cpu < RTE_MAX_MEMZONE))
+ return config->mem_config->memzone[cpu].socket_id;
+
+ return NUMA_NO_NODE;
+}
+
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,
}
}
+static void ena_config_host_info(struct ena_com_dev *ena_dev)
+{
+ struct ena_admin_host_info *host_info;
+ int rc;
+
+ /* Allocate only the host info */
+ rc = ena_com_allocate_host_info(ena_dev);
+ if (rc) {
+ RTE_LOG(ERR, PMD, "Cannot allocate host info\n");
+ return;
+ }
+
+ host_info = ena_dev->host_attr.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());
+ host_info->os_dist = RTE_VERSION;
+ snprintf((char *)host_info->os_dist_str,
+ sizeof(host_info->os_dist_str),
+ "%s", rte_version());
+ 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);
+
+ rc = ena_com_set_host_attributes(ena_dev);
+ if (rc) {
+ RTE_LOG(ERR, PMD, "Cannot set host attributes\n");
+ if (rc != -EPERM)
+ goto err;
+ }
+
+ return;
+
+err:
+ ena_com_delete_host_info(ena_dev);
+}
+
+static int
+ena_get_sset_count(struct rte_eth_dev *dev, int sset)
+{
+ 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;
+}
+
+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;
+ }
+
+ /* 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");
+ return;
+ }
+
+ rc = ena_com_set_host_attributes(&adapter->ena_dev);
+ if (rc) {
+ RTE_LOG(WARNING, PMD, "Cannot set host attributes\n");
+ if (rc != -EPERM)
+ goto err;
+ }
+
+ return;
+err:
+ ena_com_delete_debug_area(&adapter->ena_dev);
+}
+
static void ena_close(struct rte_eth_dev *dev)
{
struct ena_adapter *adapter =
ring->rx_buffer_info[ring->next_to_clean & ring_mask];
if (m)
- __rte_mbuf_raw_free(m);
+ rte_mbuf_raw_free(m);
- ring->next_to_clean =
- ENA_CIRC_INC(ring->next_to_clean, 1, ring->ring_size);
+ ring->next_to_clean++;
}
}
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 =
- ENA_CIRC_INC(ring->next_to_clean, 1, ring->ring_size);
+ ring->next_to_clean++;
}
}
struct rte_eth_link *link = &dev->data->dev_link;
link->link_status = 1;
- link->link_speed = ETH_SPEED_NUM_10G;
+ link->link_speed = ETH_SPEED_NUM_NONE;
link->link_duplex = ETH_LINK_FULL_DUPLEX;
return 0;
if (rc) {
PMD_INIT_LOG(ERR,
- "failed to restart queue %d type(%d)\n",
+ "failed to restart queue %d type(%d)",
i, ring_type);
return -1;
}
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);
+ PMD_INIT_LOG(ERR, "Unsupported MTU of %d", max_frame_len);
return -1;
}
queue_size = rte_align32pow2(queue_size >> 1);
if (queue_size == 0) {
- PMD_INIT_LOG(ERR, "Invalid queue size\n");
+ PMD_INIT_LOG(ERR, "Invalid queue size");
return -EFAULT;
}
rte_atomic64_init(&adapter->drv_stats->ierrors);
rte_atomic64_init(&adapter->drv_stats->oerrors);
- rte_atomic64_init(&adapter->drv_stats->imcasts);
rte_atomic64_init(&adapter->drv_stats->rx_nombuf);
}
-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;
int rc;
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;
+ return rc;
}
/* Set of basic statistics from ENA */
/* Driver related stats */
stats->ierrors = rte_atomic64_read(&adapter->drv_stats->ierrors);
stats->oerrors = rte_atomic64_read(&adapter->drv_stats->oerrors);
- stats->imcasts = rte_atomic64_read(&adapter->drv_stats->imcasts);
stats->rx_nombuf = rte_atomic64_read(&adapter->drv_stats->rx_nombuf);
+ return 0;
}
static int ena_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
return rc;
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;
static int ena_queue_restart(struct ena_ring *ring)
{
- int rc;
+ int rc, bufs_num;
ena_assert_msg(ring->configured == 1,
"Trying to restart unconfigured queue\n");
if (ring->type == ENA_RING_TYPE_TX)
return 0;
- rc = ena_populate_rx_queue(ring, ring->ring_size - 1);
- if ((unsigned int)rc != ring->ring_size - 1) {
- PMD_INIT_LOG(ERR, "Failed to populate rx ring !\n");
+ bufs_num = ring->ring_size - 1;
+ rc = ena_populate_rx_queue(ring, bufs_num);
+ if (rc != bufs_num) {
+ PMD_INIT_LOG(ERR, "Failed to populate rx ring !");
return (-1);
}
__rte_unused unsigned int socket_id,
__rte_unused 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);
return -1;
}
+ if (!rte_is_power_of_2(nb_desc)) {
+ RTE_LOG(ERR, PMD,
+ "Unsupported size of RX queue: %d is not a power of 2.",
+ nb_desc);
+ return -EINVAL;
+ }
+
if (nb_desc > adapter->tx_ring_size) {
RTE_LOG(ERR, PMD,
"Unsupported size of TX queue (max size: %d)\n",
}
ena_qid = ENA_IO_TXQ_IDX(queue_idx);
- rc = ena_com_create_io_queue(ena_dev, ena_qid,
- ENA_COM_IO_QUEUE_DIRECTION_TX,
- ena_dev->tx_mem_queue_type,
- -1 /* admin interrupts is not used */,
- nb_desc);
+
+ 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",
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;
+ }
+
txq->port_id = dev->data->port_id;
txq->next_to_clean = 0;
txq->next_to_use = 0;
/* Store pointer to this queue in upper layer */
txq->configured = 1;
dev->data->tx_queues[queue_idx] = txq;
-
+err:
return rc;
}
__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;
return -1;
}
+ if (!rte_is_power_of_2(nb_desc)) {
+ RTE_LOG(ERR, PMD,
+ "Unsupported size of TX queue: %d is not a power of 2.",
+ nb_desc);
+ return -EINVAL;
+ }
+
if (nb_desc > adapter->rx_ring_size) {
RTE_LOG(ERR, PMD,
"Unsupported size of RX queue (max size: %d)\n",
}
ena_qid = ENA_IO_RXQ_IDX(queue_idx);
- rc = ena_com_create_io_queue(ena_dev, ena_qid,
- ENA_COM_IO_QUEUE_DIRECTION_RX,
- ENA_ADMIN_PLACEMENT_POLICY_HOST,
- -1 /* admin interrupts not used */,
- nb_desc);
+
+ 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;
{
unsigned int i;
int rc;
- unsigned int ring_size = rxq->ring_size;
- unsigned int ring_mask = ring_size - 1;
- int next_to_use = rxq->next_to_use & ring_mask;
+ 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];
if (unlikely(!count))
return 0;
- ena_assert_msg((((ENA_CIRC_COUNT(rxq->next_to_use, rxq->next_to_clean,
- rxq->ring_size)) +
- count) < rxq->ring_size), "bad ring state");
+ 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, ring_size - next_to_use);
+ count = RTE_MIN(count,
+ (uint16_t)(ring_size - (next_to_use & ring_mask)));
/* get resources for incoming packets */
rc = rte_mempool_get_bulk(rxq->mb_pool,
- (void **)(&mbufs[next_to_use]), count);
+ (void **)(&mbufs[next_to_use & ring_mask]),
+ count);
if (unlikely(rc < 0)) {
rte_atomic64_inc(&rxq->adapter->drv_stats->rx_nombuf);
PMD_RX_LOG(DEBUG, "there are no enough free buffers");
}
for (i = 0; i < count; i++) {
- struct rte_mbuf *mbuf = mbufs[next_to_use];
+ uint16_t next_to_use_masked = next_to_use & ring_mask;
+ struct rte_mbuf *mbuf = mbufs[next_to_use_masked];
struct ena_com_buf ebuf;
rte_prefetch0(mbufs[((next_to_use + 4) & ring_mask)]);
/* 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);
+ &ebuf, next_to_use_masked);
if (unlikely(rc)) {
+ rte_mempool_put_bulk(rxq->mb_pool, (void **)(&mbuf),
+ count - i);
RTE_LOG(WARNING, PMD, "failed adding rx desc\n");
break;
}
- next_to_use = ENA_RX_RING_IDX_NEXT(next_to_use, ring_size);
+ next_to_use++;
}
- rte_wmb();
- rxq->next_to_use = next_to_use;
- /* let HW know that it can fill buffers with data */
- ena_com_write_sq_doorbell(rxq->ena_com_io_sq);
+ /* When we submitted free recources to device... */
+ if (i > 0) {
+ /* ...let HW know that it can fill buffers with data */
+ rte_wmb();
+ ena_com_write_sq_doorbell(rxq->ena_com_io_sq);
+
+ rxq->next_to_use = next_to_use;
+ }
return i;
}
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
int rc;
+ bool readless_supported;
/* Initialize mmio registers */
rc = ena_com_mmio_reg_read_request_init(ena_dev);
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);
+ ena_com_set_mmio_read_mode(ena_dev, readless_supported);
+
/* reset device */
rc = ena_com_dev_reset(ena_dev);
if (rc) {
*/
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) {
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 = eth_dev->pci_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,
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",
+ PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)",
ENA_REGS_BAR);
ena_dev->reg_bar = adapter->regs;
/* device specific initialization routine */
rc = ena_device_init(ena_dev, &get_feat_ctx);
if (rc) {
- PMD_INIT_LOG(CRIT, "Failed to init ENA device\n");
+ PMD_INIT_LOG(CRIT, "Failed to init ENA device");
return -1;
}
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");
+ "Fall back into regular queues.");
ena_dev->tx_mem_queue_type =
ENA_ADMIN_PLACEMENT_POLICY_HOST;
adapter->num_queues =
/* prepare ring structures */
ena_init_rings(adapter);
+ ena_config_debug_area(adapter);
+
/* Set max MTU for this device */
adapter->max_mtu = get_feat_ctx.dev_attr.max_mtu;
+ /* set device support for TSO */
+ adapter->tso4_supported = get_feat_ctx.offload.tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK;
+
/* 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,
if (!(adapter->state == ENA_ADAPTER_STATE_INIT ||
adapter->state == ENA_ADAPTER_STATE_STOPPED)) {
- PMD_INIT_LOG(ERR, "Illegal adapter state: %d\n",
+ PMD_INIT_LOG(ERR, "Illegal adapter state: %d",
adapter->state);
return -1;
}
ena_dev = &adapter->ena_dev;
ena_assert_msg(ena_dev != NULL, "Uninitialized device");
+ dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+
dev_info->speed_capa =
ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_2_5G |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM;
- if (feat.offload.tx &
+ if (feat.offload.rx_supported &
ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK)
rx_feat |= DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
unsigned int ring_size = rx_ring->ring_size;
unsigned int ring_mask = ring_size - 1;
uint16_t next_to_clean = rx_ring->next_to_clean;
- int desc_in_use = 0;
+ uint16_t desc_in_use = 0;
unsigned int recv_idx = 0;
struct rte_mbuf *mbuf = NULL;
struct rte_mbuf *mbuf_head = NULL;
return 0;
}
- desc_in_use = ENA_CIRC_COUNT(rx_ring->next_to_use,
- next_to_clean, ring_size);
+ desc_in_use = rx_ring->next_to_use - next_to_clean;
if (unlikely(nb_pkts > desc_in_use))
nb_pkts = desc_in_use;
mbuf_prev = mbuf;
segments++;
- next_to_clean =
- ENA_RX_RING_IDX_NEXT(next_to_clean, ring_size);
+ next_to_clean++;
}
/* fill mbuf attributes if any */
recv_idx++;
}
- /* Burst refill to save doorbells, memory barriers, const interval */
- if (ring_size - desc_in_use - 1 > ENA_RING_DESCS_RATIO(ring_size))
- ena_populate_rx_queue(rx_ring, ring_size - desc_in_use - 1);
+ rx_ring->next_to_clean = next_to_clean;
- rx_ring->next_to_clean = next_to_clean & ring_mask;
+ 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))
+ ena_populate_rx_queue(rx_ring, ring_size - desc_in_use);
return recv_idx;
}
+static uint16_t
+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 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->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;
+ return i;
+ }
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ ret = rte_validate_tx_offload(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ return i;
+ }
+#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.
+ */
+
+ ret = rte_net_intel_cksum_flags_prepare(m,
+ ol_flags & ~PKT_TX_TCP_SEG);
+ if (ret != 0) {
+ rte_errno = ret;
+ return i;
+ }
+ }
+
+ return i;
+}
+
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);
- unsigned int next_to_use = tx_ring->next_to_use;
+ uint16_t next_to_use = tx_ring->next_to_use;
+ uint16_t next_to_clean = tx_ring->next_to_clean;
struct rte_mbuf *mbuf;
unsigned int ring_size = tx_ring->ring_size;
unsigned int ring_mask = ring_size - 1;
struct ena_tx_buffer *tx_info;
struct ena_com_buf *ebuf;
uint16_t rc, req_id, total_tx_descs = 0;
- int sent_idx = 0;
+ uint16_t sent_idx = 0, empty_tx_reqs;
int nb_hw_desc;
/* Check adapter state */
return 0;
}
+ empty_tx_reqs = ring_size - (next_to_use - next_to_clean);
+ if (nb_pkts > empty_tx_reqs)
+ nb_pkts = empty_tx_reqs;
+
for (sent_idx = 0; sent_idx < nb_pkts; sent_idx++) {
mbuf = tx_pkts[sent_idx];
- req_id = tx_ring->empty_tx_reqs[next_to_use];
+ 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;
* consideration pushed header
*/
if (mbuf->data_len > ena_tx_ctx.header_len) {
- ebuf->paddr = mbuf->buf_physaddr +
+ ebuf->paddr = mbuf->buf_iova +
mbuf->data_off +
ena_tx_ctx.header_len;
ebuf->len = mbuf->data_len - ena_tx_ctx.header_len;
}
while ((mbuf = mbuf->next) != NULL) {
- ebuf->paddr = mbuf->buf_physaddr + mbuf->data_off;
+ ebuf->paddr = mbuf->buf_iova + mbuf->data_off;
ebuf->len = mbuf->data_len;
ebuf++;
tx_info->num_of_bufs++;
tx_info->tx_descs = nb_hw_desc;
- next_to_use = ENA_TX_RING_IDX_NEXT(next_to_use, ring_size);
+ next_to_use++;
}
- /* Let HW do it's best :-) */
- rte_wmb();
- ena_com_write_sq_doorbell(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->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) {
/* 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[tx_ring->next_to_clean] = req_id;
- tx_ring->next_to_clean =
- ENA_TX_RING_IDX_NEXT(tx_ring->next_to_clean,
- tx_ring->ring_size);
+ tx_ring->empty_tx_reqs[next_to_clean & ring_mask] = req_id;
+ next_to_clean++;
/* If too many descs to clean, leave it for another run */
if (unlikely(total_tx_descs > ENA_RING_DESCS_RATIO(ring_size)))
break;
}
- /* acknowledge completion of sent packets */
- ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
- tx_ring->next_to_use = next_to_use;
+ if (total_tx_descs > 0) {
+ /* acknowledge completion of sent packets */
+ ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
+ tx_ring->next_to_clean = next_to_clean;
+ }
+
return sent_idx;
}
-static struct eth_driver rte_ena_pmd = {
- {
- .name = "rte_ena_pmd",
- .id_table = pci_id_ena_map,
- .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
- },
- .eth_dev_init = eth_ena_dev_init,
- .dev_private_size = sizeof(struct ena_adapter),
-};
+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
-rte_ena_pmd_init(const char *name __rte_unused,
- const char *params __rte_unused)
+static int eth_ena_pci_remove(struct rte_pci_device *pci_dev)
{
- rte_eth_driver_register(&rte_ena_pmd);
- return 0;
-};
+ return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
+}
-struct rte_driver ena_pmd_drv = {
- .name = "ena_driver",
- .type = PMD_PDEV,
- .init = rte_ena_pmd_init,
+static struct rte_pci_driver rte_ena_pmd = {
+ .id_table = pci_id_ena_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+ .probe = eth_ena_pci_probe,
+ .remove = eth_ena_pci_remove,
};
-PMD_REGISTER_DRIVER(ena_pmd_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-pci");
Code Review / deb_dpdk.git / blobdiff