*/
#include <rte_string_fns.h>
-#include <rte_ether.h>
-#include <rte_ethdev_driver.h>
-#include <rte_ethdev_pci.h>
-#include <rte_tcp.h>
-#include <rte_atomic.h>
-#include <rte_dev.h>
#include <rte_errno.h>
#include <rte_version.h>
#include <rte_net.h>
#include <ena_eth_io_defs.h>
#define DRV_MODULE_VER_MAJOR 2
-#define DRV_MODULE_VER_MINOR 0
-#define DRV_MODULE_VER_SUBMINOR 3
-
-#define ENA_IO_TXQ_IDX(q) (2 * (q))
-#define ENA_IO_RXQ_IDX(q) (2 * (q) + 1)
-/*reverse version of ENA_IO_RXQ_IDX*/
-#define ENA_IO_RXQ_IDX_REV(q) ((q - 1) / 2)
-
-/* While processing submitted and completed descriptors (rx and tx path
- * respectively) in a loop it is desired to:
- * - perform batch submissions while populating sumbissmion queue
- * - avoid blocking transmission of other packets during cleanup phase
- * Hence the utilization ratio of 1/8 of a queue size.
- */
-#define ENA_RING_DESCS_RATIO(ring_size) (ring_size / 8)
+#define DRV_MODULE_VER_MINOR 6
+#define DRV_MODULE_VER_SUBMINOR 0
#define __MERGE_64B_H_L(h, l) (((uint64_t)h << 32) | l)
-#define TEST_BIT(val, bit_shift) (val & (1UL << bit_shift))
#define GET_L4_HDR_LEN(mbuf) \
((rte_pktmbuf_mtod_offset(mbuf, struct rte_tcp_hdr *, \
mbuf->l3_len + mbuf->l2_len)->data_off) >> 4)
-#define ENA_RX_RSS_TABLE_LOG_SIZE 7
-#define ENA_RX_RSS_TABLE_SIZE (1 << ENA_RX_RSS_TABLE_LOG_SIZE)
-#define ENA_HASH_KEY_SIZE 40
#define ETH_GSTRING_LEN 32
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define ARRAY_SIZE(x) RTE_DIM(x)
#define ENA_MIN_RING_DESC 128
-enum ethtool_stringset {
- ETH_SS_TEST = 0,
- ETH_SS_STATS,
-};
+#define ENA_PTYPE_HAS_HASH (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP)
struct ena_stats {
char name[ETH_GSTRING_LEN];
#define ENA_STAT_TX_ENTRY(stat) \
ENA_STAT_ENTRY(stat, tx)
+#define ENA_STAT_ENI_ENTRY(stat) \
+ ENA_STAT_ENTRY(stat, eni)
+
#define ENA_STAT_GLOBAL_ENTRY(stat) \
ENA_STAT_ENTRY(stat, dev)
/* Device arguments */
#define ENA_DEVARG_LARGE_LLQ_HDR "large_llq_hdr"
+/* Timeout in seconds after which a single uncompleted Tx packet should be
+ * considered as a missing.
+ */
+#define ENA_DEVARG_MISS_TXC_TO "miss_txc_to"
/*
* Each rte_memzone should have unique name.
* To satisfy it, count number of allocation and add it to name.
*/
-rte_atomic32_t ena_alloc_cnt;
+rte_atomic64_t ena_alloc_cnt;
static const struct ena_stats ena_stats_global_strings[] = {
ENA_STAT_GLOBAL_ENTRY(wd_expired),
ENA_STAT_GLOBAL_ENTRY(dev_start),
ENA_STAT_GLOBAL_ENTRY(dev_stop),
+ ENA_STAT_GLOBAL_ENTRY(tx_drops),
+};
+
+static const struct ena_stats ena_stats_eni_strings[] = {
+ ENA_STAT_ENI_ENTRY(bw_in_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(bw_out_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(pps_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(conntrack_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(linklocal_allowance_exceeded),
};
static const struct ena_stats ena_stats_tx_strings[] = {
ENA_STAT_TX_ENTRY(cnt),
ENA_STAT_TX_ENTRY(bytes),
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(bad_req_id),
ENA_STAT_TX_ENTRY(available_desc),
+ ENA_STAT_TX_ENTRY(missed_tx),
};
static const struct ena_stats ena_stats_rx_strings[] = {
ENA_STAT_RX_ENTRY(cnt),
ENA_STAT_RX_ENTRY(bytes),
ENA_STAT_RX_ENTRY(refill_partial),
- ENA_STAT_RX_ENTRY(bad_csum),
+ ENA_STAT_RX_ENTRY(l3_csum_bad),
+ ENA_STAT_RX_ENTRY(l4_csum_bad),
+ ENA_STAT_RX_ENTRY(l4_csum_good),
ENA_STAT_RX_ENTRY(mbuf_alloc_fail),
ENA_STAT_RX_ENTRY(bad_desc_num),
ENA_STAT_RX_ENTRY(bad_req_id),
};
#define ENA_STATS_ARRAY_GLOBAL ARRAY_SIZE(ena_stats_global_strings)
+#define ENA_STATS_ARRAY_ENI ARRAY_SIZE(ena_stats_eni_strings)
#define ENA_STATS_ARRAY_TX ARRAY_SIZE(ena_stats_tx_strings)
#define ENA_STATS_ARRAY_RX ARRAY_SIZE(ena_stats_rx_strings)
-#define QUEUE_OFFLOADS (DEV_TX_OFFLOAD_TCP_CKSUM |\
- DEV_TX_OFFLOAD_UDP_CKSUM |\
- DEV_TX_OFFLOAD_IPV4_CKSUM |\
- DEV_TX_OFFLOAD_TCP_TSO)
-#define MBUF_OFFLOADS (PKT_TX_L4_MASK |\
- PKT_TX_IP_CKSUM |\
- PKT_TX_TCP_SEG)
+#define QUEUE_OFFLOADS (RTE_ETH_TX_OFFLOAD_TCP_CKSUM |\
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM |\
+ RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |\
+ RTE_ETH_TX_OFFLOAD_TCP_TSO)
+#define MBUF_OFFLOADS (RTE_MBUF_F_TX_L4_MASK |\
+ RTE_MBUF_F_TX_IP_CKSUM |\
+ RTE_MBUF_F_TX_TCP_SEG)
/** Vendor ID used by Amazon devices */
#define PCI_VENDOR_ID_AMAZON 0x1D0F
/** Amazon devices */
-#define PCI_DEVICE_ID_ENA_VF 0xEC20
-#define PCI_DEVICE_ID_ENA_LLQ_VF 0xEC21
+#define PCI_DEVICE_ID_ENA_VF 0xEC20
+#define PCI_DEVICE_ID_ENA_VF_RSERV0 0xEC21
-#define ENA_TX_OFFLOAD_MASK (\
- PKT_TX_L4_MASK | \
- PKT_TX_IPV6 | \
- PKT_TX_IPV4 | \
- PKT_TX_IP_CKSUM | \
- PKT_TX_TCP_SEG)
+#define ENA_TX_OFFLOAD_MASK (RTE_MBUF_F_TX_L4_MASK | \
+ RTE_MBUF_F_TX_IPV6 | \
+ RTE_MBUF_F_TX_IPV4 | \
+ RTE_MBUF_F_TX_IP_CKSUM | \
+ RTE_MBUF_F_TX_TCP_SEG)
#define ENA_TX_OFFLOAD_NOTSUP_MASK \
- (PKT_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
-
-int ena_logtype_init;
-int ena_logtype_driver;
-
-#ifdef RTE_LIBRTE_ENA_DEBUG_RX
-int ena_logtype_rx;
-#endif
-#ifdef RTE_LIBRTE_ENA_DEBUG_TX
-int ena_logtype_tx;
-#endif
-#ifdef RTE_LIBRTE_ENA_DEBUG_TX_FREE
-int ena_logtype_tx_free;
-#endif
-#ifdef RTE_LIBRTE_ENA_COM_DEBUG
-int ena_logtype_com;
-#endif
+ (RTE_MBUF_F_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK)
+
+/** HW specific offloads capabilities. */
+/* IPv4 checksum offload. */
+#define ENA_L3_IPV4_CSUM 0x0001
+/* TCP/UDP checksum offload for IPv4 packets. */
+#define ENA_L4_IPV4_CSUM 0x0002
+/* TCP/UDP checksum offload for IPv4 packets with pseudo header checksum. */
+#define ENA_L4_IPV4_CSUM_PARTIAL 0x0004
+/* TCP/UDP checksum offload for IPv6 packets. */
+#define ENA_L4_IPV6_CSUM 0x0008
+/* TCP/UDP checksum offload for IPv6 packets with pseudo header checksum. */
+#define ENA_L4_IPV6_CSUM_PARTIAL 0x0010
+/* TSO support for IPv4 packets. */
+#define ENA_IPV4_TSO 0x0020
+
+/* Device supports setting RSS hash. */
+#define ENA_RX_RSS_HASH 0x0040
static const struct rte_pci_id pci_id_ena_map[] = {
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF) },
- { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF_RSERV0) },
{ .device_id = 0 },
};
static struct ena_aenq_handlers aenq_handlers;
-static int ena_device_init(struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx,
- bool *wd_state);
+static int ena_device_init(struct ena_adapter *adapter,
+ struct rte_pci_device *pdev,
+ struct ena_com_dev_get_features_ctx *get_feat_ctx);
static int ena_dev_configure(struct rte_eth_dev *dev);
+static void ena_tx_map_mbuf(struct ena_ring *tx_ring,
+ struct ena_tx_buffer *tx_info,
+ struct rte_mbuf *mbuf,
+ void **push_header,
+ uint16_t *header_len);
+static int ena_xmit_mbuf(struct ena_ring *tx_ring, struct rte_mbuf *mbuf);
+static int ena_tx_cleanup(void *txp, uint32_t free_pkt_cnt);
static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
static uint16_t eth_ena_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_desc, unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp);
+static inline void ena_init_rx_mbuf(struct rte_mbuf *mbuf, uint16_t len);
+static struct rte_mbuf *ena_rx_mbuf(struct ena_ring *rx_ring,
+ struct ena_com_rx_buf_info *ena_bufs,
+ uint32_t descs,
+ uint16_t *next_to_clean,
+ uint8_t offset);
static uint16_t eth_ena_recv_pkts(void *rx_queue,
struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+static int ena_add_single_rx_desc(struct ena_com_io_sq *io_sq,
+ struct rte_mbuf *mbuf, uint16_t id);
static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count);
-static void ena_init_rings(struct ena_adapter *adapter);
+static void ena_init_rings(struct ena_adapter *adapter,
+ bool disable_meta_caching);
static int ena_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int ena_start(struct rte_eth_dev *dev);
-static void ena_stop(struct rte_eth_dev *dev);
-static void ena_close(struct rte_eth_dev *dev);
+static int ena_stop(struct rte_eth_dev *dev);
+static int ena_close(struct rte_eth_dev *dev);
static int ena_dev_reset(struct rte_eth_dev *dev);
static int ena_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
static void ena_rx_queue_release_all(struct rte_eth_dev *dev);
static void ena_tx_queue_release_all(struct rte_eth_dev *dev);
-static void ena_rx_queue_release(void *queue);
-static void ena_tx_queue_release(void *queue);
+static void ena_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
+static void ena_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
static void ena_rx_queue_release_bufs(struct ena_ring *ring);
static void ena_tx_queue_release_bufs(struct ena_ring *ring);
static int ena_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
-static int ena_create_io_queue(struct ena_ring *ring);
+static int ena_create_io_queue(struct rte_eth_dev *dev, struct ena_ring *ring);
static void ena_queue_stop(struct ena_ring *ring);
static void ena_queue_stop_all(struct rte_eth_dev *dev,
enum ena_ring_type ring_type);
-static int ena_queue_start(struct ena_ring *ring);
+static int ena_queue_start(struct rte_eth_dev *dev, struct ena_ring *ring);
static int ena_queue_start_all(struct rte_eth_dev *dev,
enum ena_ring_type ring_type);
static void ena_stats_restart(struct rte_eth_dev *dev);
+static uint64_t ena_get_rx_port_offloads(struct ena_adapter *adapter);
+static uint64_t ena_get_tx_port_offloads(struct ena_adapter *adapter);
+static uint64_t ena_get_rx_queue_offloads(struct ena_adapter *adapter);
+static uint64_t ena_get_tx_queue_offloads(struct ena_adapter *adapter);
static int ena_infos_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
-static int ena_rss_reta_update(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf,
- uint16_t reta_size);
-static int ena_rss_reta_query(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf,
- uint16_t reta_size);
static 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 ena_xstats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
unsigned int n);
+static int ena_xstats_get_names_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int size);
static int ena_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *stats,
unsigned int n);
void *opaque);
static int ena_parse_devargs(struct ena_adapter *adapter,
struct rte_devargs *devargs);
+static int ena_copy_eni_stats(struct ena_adapter *adapter,
+ struct ena_stats_eni *stats);
+static int ena_setup_rx_intr(struct rte_eth_dev *dev);
+static int ena_rx_queue_intr_enable(struct rte_eth_dev *dev,
+ uint16_t queue_id);
+static int ena_rx_queue_intr_disable(struct rte_eth_dev *dev,
+ uint16_t queue_id);
+static int ena_configure_aenq(struct ena_adapter *adapter);
+static int ena_mp_primary_handle(const struct rte_mp_msg *mp_msg,
+ const void *peer);
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,
+ .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_names_by_id = ena_xstats_get_names_by_id,
+ .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,
+ .rx_queue_intr_enable = ena_rx_queue_intr_enable,
+ .rx_queue_intr_disable = ena_rx_queue_intr_disable,
+ .rss_hash_update = ena_rss_hash_update,
+ .rss_hash_conf_get = ena_rss_hash_conf_get,
+ .tx_done_cleanup = ena_tx_cleanup,
+};
+
+/*********************************************************************
+ * Multi-Process communication bits
+ *********************************************************************/
+/* rte_mp IPC message name */
+#define ENA_MP_NAME "net_ena_mp"
+/* Request timeout in seconds */
+#define ENA_MP_REQ_TMO 5
+
+/** Proxy request type */
+enum ena_mp_req {
+ ENA_MP_DEV_STATS_GET,
+ ENA_MP_ENI_STATS_GET,
+ ENA_MP_MTU_SET,
+ ENA_MP_IND_TBL_GET,
+ ENA_MP_IND_TBL_SET
};
-void ena_rss_key_fill(void *key, size_t size)
+/** Proxy message body. Shared between requests and responses. */
+struct ena_mp_body {
+ /* Message type */
+ enum ena_mp_req type;
+ int port_id;
+ /* Processing result. Set in replies. 0 if message succeeded, negative
+ * error code otherwise.
+ */
+ int result;
+ union {
+ int mtu; /* For ENA_MP_MTU_SET */
+ } args;
+};
+
+/**
+ * Initialize IPC message.
+ *
+ * @param[out] msg
+ * Pointer to the message to initialize.
+ * @param[in] type
+ * Message type.
+ * @param[in] port_id
+ * Port ID of target device.
+ *
+ */
+static void
+mp_msg_init(struct rte_mp_msg *msg, enum ena_mp_req type, int port_id)
{
- static bool key_generated;
- static uint8_t default_key[ENA_HASH_KEY_SIZE];
- size_t i;
+ struct ena_mp_body *body = (struct ena_mp_body *)&msg->param;
- RTE_ASSERT(size <= ENA_HASH_KEY_SIZE);
+ memset(msg, 0, sizeof(*msg));
+ strlcpy(msg->name, ENA_MP_NAME, sizeof(msg->name));
+ msg->len_param = sizeof(*body);
+ body->type = type;
+ body->port_id = port_id;
+}
- if (!key_generated) {
- for (i = 0; i < ENA_HASH_KEY_SIZE; ++i)
- default_key[i] = rte_rand() & 0xff;
- key_generated = true;
+/*********************************************************************
+ * Multi-Process communication PMD API
+ *********************************************************************/
+/**
+ * Define proxy request descriptor
+ *
+ * Used to define all structures and functions required for proxying a given
+ * function to the primary process including the code to perform to prepare the
+ * request and process the response.
+ *
+ * @param[in] f
+ * Name of the function to proxy
+ * @param[in] t
+ * Message type to use
+ * @param[in] prep
+ * Body of a function to prepare the request in form of a statement
+ * expression. It is passed all the original function arguments along with two
+ * extra ones:
+ * - struct ena_adapter *adapter - PMD data of the device calling the proxy.
+ * - struct ena_mp_body *req - body of a request to prepare.
+ * @param[in] proc
+ * Body of a function to process the response in form of a statement
+ * expression. It is passed all the original function arguments along with two
+ * extra ones:
+ * - struct ena_adapter *adapter - PMD data of the device calling the proxy.
+ * - struct ena_mp_body *rsp - body of a response to process.
+ * @param ...
+ * Proxied function's arguments
+ *
+ * @note Inside prep and proc any parameters which aren't used should be marked
+ * as such (with ENA_TOUCH or __rte_unused).
+ */
+#define ENA_PROXY_DESC(f, t, prep, proc, ...) \
+ static const enum ena_mp_req mp_type_ ## f = t; \
+ static const char *mp_name_ ## f = #t; \
+ static void mp_prep_ ## f(struct ena_adapter *adapter, \
+ struct ena_mp_body *req, \
+ __VA_ARGS__) \
+ { \
+ prep; \
+ } \
+ static void mp_proc_ ## f(struct ena_adapter *adapter, \
+ struct ena_mp_body *rsp, \
+ __VA_ARGS__) \
+ { \
+ proc; \
}
- rte_memcpy(key, default_key, size);
+/**
+ * Proxy wrapper for calling primary functions in a secondary process.
+ *
+ * Depending on whether called in primary or secondary process, calls the
+ * @p func directly or proxies the call to the primary process via rte_mp IPC.
+ * This macro requires a proxy request descriptor to be defined for @p func
+ * using ENA_PROXY_DESC() macro.
+ *
+ * @param[in/out] a
+ * Device PMD data. Used for sending the message and sharing message results
+ * between primary and secondary.
+ * @param[in] f
+ * Function to proxy.
+ * @param ...
+ * Arguments of @p func.
+ *
+ * @return
+ * - 0: Processing succeeded and response handler was called.
+ * - -EPERM: IPC is unavailable on this platform. This means only primary
+ * process may call the proxied function.
+ * - -EIO: IPC returned error on request send. Inspect rte_errno detailed
+ * error code.
+ * - Negative error code from the proxied function.
+ *
+ * @note This mechanism is geared towards control-path tasks. Avoid calling it
+ * in fast-path unless unbound delays are allowed. This is due to the IPC
+ * mechanism itself (socket based).
+ * @note Due to IPC parameter size limitations the proxy logic shares call
+ * results through the struct ena_adapter shared memory. This makes the
+ * proxy mechanism strictly single-threaded. Therefore be sure to make all
+ * calls to the same proxied function under the same lock.
+ */
+#define ENA_PROXY(a, f, ...) \
+({ \
+ struct ena_adapter *_a = (a); \
+ struct timespec ts = { .tv_sec = ENA_MP_REQ_TMO }; \
+ struct ena_mp_body *req, *rsp; \
+ struct rte_mp_reply mp_rep; \
+ struct rte_mp_msg mp_req; \
+ int ret; \
+ \
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) { \
+ ret = f(__VA_ARGS__); \
+ } else { \
+ /* Prepare and send request */ \
+ req = (struct ena_mp_body *)&mp_req.param; \
+ mp_msg_init(&mp_req, mp_type_ ## f, _a->edev_data->port_id); \
+ mp_prep_ ## f(_a, req, ## __VA_ARGS__); \
+ \
+ ret = rte_mp_request_sync(&mp_req, &mp_rep, &ts); \
+ if (likely(!ret)) { \
+ RTE_ASSERT(mp_rep.nb_received == 1); \
+ rsp = (struct ena_mp_body *)&mp_rep.msgs[0].param; \
+ ret = rsp->result; \
+ if (ret == 0) { \
+ mp_proc_##f(_a, rsp, ## __VA_ARGS__); \
+ } else { \
+ PMD_DRV_LOG(ERR, \
+ "%s returned error: %d\n", \
+ mp_name_ ## f, rsp->result);\
+ } \
+ free(mp_rep.msgs); \
+ } else if (rte_errno == ENOTSUP) { \
+ PMD_DRV_LOG(ERR, \
+ "No IPC, can't proxy to primary\n");\
+ ret = -rte_errno; \
+ } else { \
+ PMD_DRV_LOG(ERR, "Request %s failed: %s\n", \
+ mp_name_ ## f, \
+ rte_strerror(rte_errno)); \
+ ret = -EIO; \
+ } \
+ } \
+ ret; \
+})
+
+/*********************************************************************
+ * Multi-Process communication request descriptors
+ *********************************************************************/
+
+ENA_PROXY_DESC(ena_com_get_dev_basic_stats, ENA_MP_DEV_STATS_GET,
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(req);
+ ENA_TOUCH(ena_dev);
+ ENA_TOUCH(stats);
+}),
+({
+ ENA_TOUCH(rsp);
+ ENA_TOUCH(ena_dev);
+ if (stats != &adapter->basic_stats)
+ rte_memcpy(stats, &adapter->basic_stats, sizeof(*stats));
+}),
+ struct ena_com_dev *ena_dev, struct ena_admin_basic_stats *stats);
+
+ENA_PROXY_DESC(ena_com_get_eni_stats, ENA_MP_ENI_STATS_GET,
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(req);
+ ENA_TOUCH(ena_dev);
+ ENA_TOUCH(stats);
+}),
+({
+ ENA_TOUCH(rsp);
+ ENA_TOUCH(ena_dev);
+ if (stats != (struct ena_admin_eni_stats *)&adapter->eni_stats)
+ rte_memcpy(stats, &adapter->eni_stats, sizeof(*stats));
+}),
+ struct ena_com_dev *ena_dev, struct ena_admin_eni_stats *stats);
+
+ENA_PROXY_DESC(ena_com_set_dev_mtu, ENA_MP_MTU_SET,
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(ena_dev);
+ req->args.mtu = mtu;
+}),
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(rsp);
+ ENA_TOUCH(ena_dev);
+ ENA_TOUCH(mtu);
+}),
+ struct ena_com_dev *ena_dev, int mtu);
+
+ENA_PROXY_DESC(ena_com_indirect_table_set, ENA_MP_IND_TBL_SET,
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(req);
+ ENA_TOUCH(ena_dev);
+}),
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(rsp);
+ ENA_TOUCH(ena_dev);
+}),
+ struct ena_com_dev *ena_dev);
+
+ENA_PROXY_DESC(ena_com_indirect_table_get, ENA_MP_IND_TBL_GET,
+({
+ ENA_TOUCH(adapter);
+ ENA_TOUCH(req);
+ ENA_TOUCH(ena_dev);
+ ENA_TOUCH(ind_tbl);
+}),
+({
+ ENA_TOUCH(rsp);
+ ENA_TOUCH(ena_dev);
+ if (ind_tbl != adapter->indirect_table)
+ rte_memcpy(ind_tbl, adapter->indirect_table,
+ sizeof(adapter->indirect_table));
+}),
+ struct ena_com_dev *ena_dev, u32 *ind_tbl);
+
+static inline void ena_trigger_reset(struct ena_adapter *adapter,
+ enum ena_regs_reset_reason_types reason)
+{
+ if (likely(!adapter->trigger_reset)) {
+ adapter->reset_reason = reason;
+ adapter->trigger_reset = true;
+ }
}
-static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
- struct ena_com_rx_ctx *ena_rx_ctx)
+static inline void ena_rx_mbuf_prepare(struct ena_ring *rx_ring,
+ struct rte_mbuf *mbuf,
+ struct ena_com_rx_ctx *ena_rx_ctx,
+ bool fill_hash)
{
+ struct ena_stats_rx *rx_stats = &rx_ring->rx_stats;
uint64_t ol_flags = 0;
uint32_t packet_type = 0;
else if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_UDP)
packet_type |= RTE_PTYPE_L4_UDP;
- if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4)
+ if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4) {
packet_type |= RTE_PTYPE_L3_IPV4;
- else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6)
+ if (unlikely(ena_rx_ctx->l3_csum_err)) {
+ ++rx_stats->l3_csum_bad;
+ ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_BAD;
+ } else {
+ ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_GOOD;
+ }
+ } else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6) {
packet_type |= RTE_PTYPE_L3_IPV6;
+ }
- if (!ena_rx_ctx->l4_csum_checked)
- ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
- else
- if (unlikely(ena_rx_ctx->l4_csum_err) && !ena_rx_ctx->frag)
- ol_flags |= PKT_RX_L4_CKSUM_BAD;
- else
- ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
+ if (!ena_rx_ctx->l4_csum_checked || ena_rx_ctx->frag) {
+ ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_UNKNOWN;
+ } else {
+ if (unlikely(ena_rx_ctx->l4_csum_err)) {
+ ++rx_stats->l4_csum_bad;
+ /*
+ * For the L4 Rx checksum offload the HW may indicate
+ * bad checksum although it's valid. Because of that,
+ * we're setting the UNKNOWN flag to let the app
+ * re-verify the checksum.
+ */
+ ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_UNKNOWN;
+ } else {
+ ++rx_stats->l4_csum_good;
+ ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_GOOD;
+ }
+ }
- if (unlikely(ena_rx_ctx->l3_csum_err))
- ol_flags |= PKT_RX_IP_CKSUM_BAD;
+ if (fill_hash &&
+ likely((packet_type & ENA_PTYPE_HAS_HASH) && !ena_rx_ctx->frag)) {
+ ol_flags |= RTE_MBUF_F_RX_RSS_HASH;
+ mbuf->hash.rss = ena_rx_ctx->hash;
+ }
mbuf->ol_flags = ol_flags;
mbuf->packet_type = packet_type;
static inline void ena_tx_mbuf_prepare(struct rte_mbuf *mbuf,
struct ena_com_tx_ctx *ena_tx_ctx,
- uint64_t queue_offloads)
+ uint64_t queue_offloads,
+ bool disable_meta_caching)
{
struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta;
if ((mbuf->ol_flags & MBUF_OFFLOADS) &&
(queue_offloads & QUEUE_OFFLOADS)) {
/* check if TSO is required */
- if ((mbuf->ol_flags & PKT_TX_TCP_SEG) &&
- (queue_offloads & DEV_TX_OFFLOAD_TCP_TSO)) {
+ if ((mbuf->ol_flags & RTE_MBUF_F_TX_TCP_SEG) &&
+ (queue_offloads & RTE_ETH_TX_OFFLOAD_TCP_TSO)) {
ena_tx_ctx->tso_enable = true;
ena_meta->l4_hdr_len = GET_L4_HDR_LEN(mbuf);
}
/* check if L3 checksum is needed */
- if ((mbuf->ol_flags & PKT_TX_IP_CKSUM) &&
- (queue_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM))
+ if ((mbuf->ol_flags & RTE_MBUF_F_TX_IP_CKSUM) &&
+ (queue_offloads & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM))
ena_tx_ctx->l3_csum_enable = true;
- if (mbuf->ol_flags & PKT_TX_IPV6) {
+ if (mbuf->ol_flags & RTE_MBUF_F_TX_IPV6) {
ena_tx_ctx->l3_proto = ENA_ETH_IO_L3_PROTO_IPV6;
+ /* For the IPv6 packets, DF always needs to be true. */
+ ena_tx_ctx->df = 1;
} else {
ena_tx_ctx->l3_proto = ENA_ETH_IO_L3_PROTO_IPV4;
if (mbuf->packet_type &
(RTE_PTYPE_L4_NONFRAG
| RTE_PTYPE_INNER_L4_NONFRAG))
- ena_tx_ctx->df = true;
+ ena_tx_ctx->df = 1;
}
/* check if L4 checksum is needed */
- if (((mbuf->ol_flags & PKT_TX_L4_MASK) == PKT_TX_TCP_CKSUM) &&
- (queue_offloads & DEV_TX_OFFLOAD_TCP_CKSUM)) {
+ if (((mbuf->ol_flags & RTE_MBUF_F_TX_L4_MASK) == RTE_MBUF_F_TX_TCP_CKSUM) &&
+ (queue_offloads & RTE_ETH_TX_OFFLOAD_TCP_CKSUM)) {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_TCP;
ena_tx_ctx->l4_csum_enable = true;
- } else if (((mbuf->ol_flags & PKT_TX_L4_MASK) ==
- PKT_TX_UDP_CKSUM) &&
- (queue_offloads & DEV_TX_OFFLOAD_UDP_CKSUM)) {
+ } else if (((mbuf->ol_flags & RTE_MBUF_F_TX_L4_MASK) ==
+ RTE_MBUF_F_TX_UDP_CKSUM) &&
+ (queue_offloads & RTE_ETH_TX_OFFLOAD_UDP_CKSUM)) {
ena_tx_ctx->l4_proto = ENA_ETH_IO_L4_PROTO_UDP;
ena_tx_ctx->l4_csum_enable = true;
} else {
ena_meta->l3_hdr_len = mbuf->l3_len;
ena_meta->l3_hdr_offset = mbuf->l2_len;
+ ena_tx_ctx->meta_valid = true;
+ } else if (disable_meta_caching) {
+ memset(ena_meta, 0, sizeof(*ena_meta));
ena_tx_ctx->meta_valid = true;
} else {
ena_tx_ctx->meta_valid = false;
}
}
-static inline int validate_rx_req_id(struct ena_ring *rx_ring, uint16_t req_id)
-{
- if (likely(req_id < rx_ring->ring_size))
- return 0;
-
- PMD_DRV_LOG(ERR, "Invalid rx req_id: %hu\n", req_id);
-
- rx_ring->adapter->reset_reason = ENA_REGS_RESET_INV_RX_REQ_ID;
- rx_ring->adapter->trigger_reset = true;
- ++rx_ring->rx_stats.bad_req_id;
-
- return -EFAULT;
-}
-
static int validate_tx_req_id(struct ena_ring *tx_ring, u16 req_id)
{
struct ena_tx_buffer *tx_info = NULL;
}
if (tx_info)
- PMD_DRV_LOG(ERR, "tx_info doesn't have valid mbuf\n");
+ PMD_TX_LOG(ERR, "tx_info doesn't have valid mbuf. queue %d:%d req_id %u\n",
+ tx_ring->port_id, tx_ring->id, req_id);
else
- PMD_DRV_LOG(ERR, "Invalid req_id: %hu\n", req_id);
+ PMD_TX_LOG(ERR, "Invalid req_id: %hu in queue %d:%d\n",
+ req_id, tx_ring->port_id, tx_ring->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;
+ ena_trigger_reset(tx_ring->adapter, ENA_REGS_RESET_INV_TX_REQ_ID);
return -EFAULT;
}
host_info->num_cpus = rte_lcore_count();
host_info->driver_supported_features =
- ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK;
+ ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK |
+ ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_MASK;
rc = ena_com_set_host_attributes(ena_dev);
if (rc) {
}
/* This function calculates the number of xstats based on the current config */
-static unsigned int ena_xstats_calc_num(struct rte_eth_dev *dev)
+static unsigned int ena_xstats_calc_num(struct rte_eth_dev_data *data)
{
- return ENA_STATS_ARRAY_GLOBAL +
- (dev->data->nb_tx_queues * ENA_STATS_ARRAY_TX) +
- (dev->data->nb_rx_queues * ENA_STATS_ARRAY_RX);
+ return ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENI +
+ (data->nb_tx_queues * ENA_STATS_ARRAY_TX) +
+ (data->nb_rx_queues * ENA_STATS_ARRAY_RX);
}
static void ena_config_debug_area(struct ena_adapter *adapter)
u32 debug_area_size;
int rc, ss_count;
- ss_count = ena_xstats_calc_num(adapter->rte_dev);
+ ss_count = ena_xstats_calc_num(adapter->edev_data);
/* allocate 32 bytes for each string and 64bit for the value */
debug_area_size = ss_count * ETH_GSTRING_LEN + sizeof(u64) * ss_count;
ena_com_delete_debug_area(&adapter->ena_dev);
}
-static void ena_close(struct rte_eth_dev *dev)
+static int ena_close(struct rte_eth_dev *dev)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
struct ena_adapter *adapter = dev->data->dev_private;
+ int ret = 0;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
if (adapter->state == ENA_ADAPTER_STATE_RUNNING)
- ena_stop(dev);
+ ret = ena_stop(dev);
adapter->state = ENA_ADAPTER_STATE_CLOSED;
ena_rx_queue_release_all(dev);
rte_intr_disable(intr_handle);
rte_intr_callback_unregister(intr_handle,
ena_interrupt_handler_rte,
- adapter);
+ dev);
/*
* MAC is not allocated dynamically. Setting NULL should prevent from
* release of the resource in the rte_eth_dev_release_port().
*/
dev->data->mac_addrs = NULL;
+
+ return ret;
}
static int
{
int rc = 0;
+ /* Cannot release memory in secondary process */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ PMD_DRV_LOG(WARNING, "dev_reset not supported in secondary.\n");
+ return -EPERM;
+ }
+
ena_destroy_device(dev);
rc = eth_ena_dev_init(dev);
if (rc)
- PMD_INIT_LOG(CRIT, "Cannot initialize device");
-
- return rc;
-}
-
-static int ena_rss_reta_update(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf,
- uint16_t reta_size)
-{
- struct ena_adapter *adapter = dev->data->dev_private;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int rc, i;
- u16 entry_value;
- int conf_idx;
- int idx;
-
- if ((reta_size == 0) || (reta_conf == NULL))
- return -EINVAL;
-
- if (reta_size > ENA_RX_RSS_TABLE_SIZE) {
- PMD_DRV_LOG(WARNING,
- "indirection table %d is bigger than supported (%d)\n",
- reta_size, ENA_RX_RSS_TABLE_SIZE);
- return -EINVAL;
- }
-
- for (i = 0 ; i < reta_size ; i++) {
- /* each reta_conf is for 64 entries.
- * to support 128 we use 2 conf of 64
- */
- conf_idx = i / RTE_RETA_GROUP_SIZE;
- idx = i % RTE_RETA_GROUP_SIZE;
- if (TEST_BIT(reta_conf[conf_idx].mask, idx)) {
- entry_value =
- ENA_IO_RXQ_IDX(reta_conf[conf_idx].reta[idx]);
-
- rc = ena_com_indirect_table_fill_entry(ena_dev,
- i,
- entry_value);
- if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- PMD_DRV_LOG(ERR,
- "Cannot fill indirect table\n");
- return rc;
- }
- }
- }
-
- rc = ena_com_indirect_table_set(ena_dev);
- if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- PMD_DRV_LOG(ERR, "Cannot flush the indirect table\n");
- return rc;
- }
-
- PMD_DRV_LOG(DEBUG, "%s(): RSS configured %d entries for port %d\n",
- __func__, reta_size, adapter->rte_dev->data->port_id);
-
- return 0;
-}
-
-/* Query redirection table. */
-static int ena_rss_reta_query(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf,
- uint16_t reta_size)
-{
- struct ena_adapter *adapter = dev->data->dev_private;
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
- int rc;
- int i;
- u32 indirect_table[ENA_RX_RSS_TABLE_SIZE] = {0};
- int reta_conf_idx;
- int reta_idx;
-
- if (reta_size == 0 || reta_conf == NULL ||
- (reta_size > RTE_RETA_GROUP_SIZE && ((reta_conf + 1) == NULL)))
- return -EINVAL;
-
- rc = ena_com_indirect_table_get(ena_dev, indirect_table);
- if (unlikely(rc && rc != ENA_COM_UNSUPPORTED)) {
- PMD_DRV_LOG(ERR, "cannot get indirect table\n");
- return -ENOTSUP;
- }
-
- for (i = 0 ; i < reta_size ; i++) {
- reta_conf_idx = i / RTE_RETA_GROUP_SIZE;
- reta_idx = i % RTE_RETA_GROUP_SIZE;
- if (TEST_BIT(reta_conf[reta_conf_idx].mask, reta_idx))
- reta_conf[reta_conf_idx].reta[reta_idx] =
- ENA_IO_RXQ_IDX_REV(indirect_table[i]);
- }
-
- return 0;
-}
-
-static int ena_rss_init_default(struct ena_adapter *adapter)
-{
- struct ena_com_dev *ena_dev = &adapter->ena_dev;
- uint16_t nb_rx_queues = adapter->rte_dev->data->nb_rx_queues;
- int rc, i;
- u32 val;
-
- rc = ena_com_rss_init(ena_dev, ENA_RX_RSS_TABLE_LOG_SIZE);
- if (unlikely(rc)) {
- PMD_DRV_LOG(ERR, "Cannot init indirect table\n");
- goto err_rss_init;
- }
-
- for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) {
- val = i % nb_rx_queues;
- rc = ena_com_indirect_table_fill_entry(ena_dev, i,
- ENA_IO_RXQ_IDX(val));
- if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- PMD_DRV_LOG(ERR, "Cannot fill indirect table\n");
- goto err_fill_indir;
- }
- }
-
- rc = ena_com_fill_hash_function(ena_dev, ENA_ADMIN_CRC32, NULL,
- ENA_HASH_KEY_SIZE, 0xFFFFFFFF);
- if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- PMD_DRV_LOG(INFO, "Cannot fill hash function\n");
- goto err_fill_indir;
- }
-
- rc = ena_com_set_default_hash_ctrl(ena_dev);
- if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- PMD_DRV_LOG(INFO, "Cannot fill hash control\n");
- goto err_fill_indir;
- }
-
- rc = ena_com_indirect_table_set(ena_dev);
- if (unlikely(rc && (rc != ENA_COM_UNSUPPORTED))) {
- PMD_DRV_LOG(ERR, "Cannot flush the indirect table\n");
- goto err_fill_indir;
- }
- PMD_DRV_LOG(DEBUG, "RSS configured for port %d\n",
- adapter->rte_dev->data->port_id);
-
- return 0;
-
-err_fill_indir:
- ena_com_rss_destroy(ena_dev);
-err_rss_init:
+ PMD_INIT_LOG(CRIT, "Cannot initialize device\n");
return rc;
}
static void ena_rx_queue_release_all(struct rte_eth_dev *dev)
{
- struct ena_ring **queues = (struct ena_ring **)dev->data->rx_queues;
int nb_queues = dev->data->nb_rx_queues;
int i;
for (i = 0; i < nb_queues; i++)
- ena_rx_queue_release(queues[i]);
+ ena_rx_queue_release(dev, i);
}
static void ena_tx_queue_release_all(struct rte_eth_dev *dev)
{
- struct ena_ring **queues = (struct ena_ring **)dev->data->tx_queues;
int nb_queues = dev->data->nb_tx_queues;
int i;
for (i = 0; i < nb_queues; i++)
- ena_tx_queue_release(queues[i]);
+ ena_tx_queue_release(dev, i);
}
-static void ena_rx_queue_release(void *queue)
+static void ena_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
{
- struct ena_ring *ring = (struct ena_ring *)queue;
+ struct ena_ring *ring = dev->data->rx_queues[qid];
/* Free ring resources */
- if (ring->rx_buffer_info)
- rte_free(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);
+ rte_free(ring->rx_refill_buffer);
ring->rx_refill_buffer = NULL;
- if (ring->empty_rx_reqs)
- rte_free(ring->empty_rx_reqs);
+ rte_free(ring->empty_rx_reqs);
ring->empty_rx_reqs = NULL;
ring->configured = 0;
- PMD_DRV_LOG(NOTICE, "RX Queue %d:%d released\n",
+ PMD_DRV_LOG(NOTICE, "Rx queue %d:%d released\n",
ring->port_id, ring->id);
}
-static void ena_tx_queue_release(void *queue)
+static void ena_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
{
- struct ena_ring *ring = (struct ena_ring *)queue;
+ struct ena_ring *ring = dev->data->tx_queues[qid];
/* Free ring resources */
- if (ring->push_buf_intermediate_buf)
- rte_free(ring->push_buf_intermediate_buf);
+ rte_free(ring->push_buf_intermediate_buf);
- if (ring->tx_buffer_info)
- rte_free(ring->tx_buffer_info);
+ rte_free(ring->tx_buffer_info);
- if (ring->empty_tx_reqs)
- rte_free(ring->empty_tx_reqs);
+ rte_free(ring->empty_tx_reqs);
ring->empty_tx_reqs = NULL;
ring->tx_buffer_info = NULL;
ring->configured = 0;
- PMD_DRV_LOG(NOTICE, "TX Queue %d:%d released\n",
+ PMD_DRV_LOG(NOTICE, "Tx queue %d:%d released\n",
ring->port_id, ring->id);
}
{
unsigned int i;
- for (i = 0; i < ring->ring_size; ++i)
- if (ring->rx_buffer_info[i]) {
- rte_mbuf_raw_free(ring->rx_buffer_info[i]);
- ring->rx_buffer_info[i] = NULL;
+ for (i = 0; i < ring->ring_size; ++i) {
+ struct ena_rx_buffer *rx_info = &ring->rx_buffer_info[i];
+ if (rx_info->mbuf) {
+ rte_mbuf_raw_free(rx_info->mbuf);
+ rx_info->mbuf = NULL;
}
+ }
}
static void ena_tx_queue_release_bufs(struct ena_ring *ring)
for (i = 0; i < ring->ring_size; ++i) {
struct ena_tx_buffer *tx_buf = &ring->tx_buffer_info[i];
- if (tx_buf->mbuf)
+ if (tx_buf->mbuf) {
rte_pktmbuf_free(tx_buf->mbuf);
+ tx_buf->mbuf = NULL;
+ }
}
}
struct rte_eth_link *link = &dev->data->dev_link;
struct ena_adapter *adapter = dev->data->dev_private;
- link->link_status = adapter->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
- link->link_speed = ETH_SPEED_NUM_NONE;
- link->link_duplex = ETH_LINK_FULL_DUPLEX;
+ link->link_status = adapter->link_status ? RTE_ETH_LINK_UP : RTE_ETH_LINK_DOWN;
+ link->link_speed = RTE_ETH_SPEED_NUM_NONE;
+ link->link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
return 0;
}
if (ring_type == ENA_RING_TYPE_RX) {
ena_assert_msg(
dev->data->rx_queues[i] == &queues[i],
- "Inconsistent state of rx queues\n");
+ "Inconsistent state of Rx queues\n");
} else {
ena_assert_msg(
dev->data->tx_queues[i] == &queues[i],
- "Inconsistent state of tx queues\n");
+ "Inconsistent state of Tx queues\n");
}
- rc = ena_queue_start(&queues[i]);
+ rc = ena_queue_start(dev, &queues[i]);
if (rc) {
PMD_INIT_LOG(ERR,
- "failed to start queue %d type(%d)",
- i, ring_type);
+ "Failed to start queue[%d] of type(%d)\n",
+ i, ring_type);
goto err;
}
}
return rc;
}
-static uint32_t ena_get_mtu_conf(struct ena_adapter *adapter)
-{
- uint32_t max_frame_len = adapter->max_mtu;
-
- if (adapter->rte_eth_dev_data->dev_conf.rxmode.offloads &
- DEV_RX_OFFLOAD_JUMBO_FRAME)
- max_frame_len =
- adapter->rte_eth_dev_data->dev_conf.rxmode.max_rx_pkt_len;
-
- return max_frame_len;
-}
-
static int ena_check_valid_conf(struct ena_adapter *adapter)
{
- uint32_t max_frame_len = ena_get_mtu_conf(adapter);
+ uint32_t mtu = adapter->edev_data->mtu;
- if (max_frame_len > adapter->max_mtu || max_frame_len < ENA_MIN_MTU) {
- PMD_INIT_LOG(ERR, "Unsupported MTU of %d. "
- "max mtu: %d, min mtu: %d",
- max_frame_len, adapter->max_mtu, ENA_MIN_MTU);
+ if (mtu > adapter->max_mtu || mtu < ENA_MIN_MTU) {
+ PMD_INIT_LOG(ERR,
+ "Unsupported MTU of %d. Max MTU: %d, min MTU: %d\n",
+ mtu, adapter->max_mtu, ENA_MIN_MTU);
return ENA_COM_UNSUPPORTED;
}
ENA_ADMIN_PLACEMENT_POLICY_DEV)) {
max_tx_queue_size /= 2;
PMD_INIT_LOG(INFO,
- "Forcing large headers and decreasing maximum TX queue size to %d\n",
+ "Forcing large headers and decreasing maximum Tx queue size to %d\n",
max_tx_queue_size);
} else {
PMD_INIT_LOG(ERR,
}
if (unlikely(max_rx_queue_size == 0 || max_tx_queue_size == 0)) {
- PMD_INIT_LOG(ERR, "Invalid queue size");
+ PMD_INIT_LOG(ERR, "Invalid queue size\n");
return -EFAULT;
}
rte_atomic64_init(&adapter->drv_stats->ierrors);
rte_atomic64_init(&adapter->drv_stats->oerrors);
rte_atomic64_init(&adapter->drv_stats->rx_nombuf);
- rte_atomic64_init(&adapter->drv_stats->rx_drops);
+ adapter->drv_stats->rx_drops = 0;
}
static int ena_stats_get(struct rte_eth_dev *dev,
int i;
int max_rings_stats;
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return -ENOTSUP;
-
memset(&ena_stats, 0, sizeof(ena_stats));
- rc = ena_com_get_dev_basic_stats(ena_dev, &ena_stats);
+
+ rte_spinlock_lock(&adapter->admin_lock);
+ rc = ENA_PROXY(adapter, ena_com_get_dev_basic_stats, ena_dev,
+ &ena_stats);
+ rte_spinlock_unlock(&adapter->admin_lock);
if (unlikely(rc)) {
PMD_DRV_LOG(ERR, "Could not retrieve statistics from ENA\n");
return rc;
ena_stats.tx_bytes_low);
/* Driver related stats */
- stats->imissed = rte_atomic64_read(&adapter->drv_stats->rx_drops);
+ stats->imissed = adapter->drv_stats->rx_drops;
stats->ierrors = rte_atomic64_read(&adapter->drv_stats->ierrors);
stats->oerrors = rte_atomic64_read(&adapter->drv_stats->oerrors);
stats->rx_nombuf = rte_atomic64_read(&adapter->drv_stats->rx_nombuf);
ena_dev = &adapter->ena_dev;
ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
- if (mtu > ena_get_mtu_conf(adapter) || mtu < ENA_MIN_MTU) {
+ if (mtu > adapter->max_mtu || mtu < ENA_MIN_MTU) {
PMD_DRV_LOG(ERR,
- "Invalid MTU setting. new_mtu: %d "
- "max mtu: %d min mtu: %d\n",
- mtu, ena_get_mtu_conf(adapter), ENA_MIN_MTU);
+ "Invalid MTU setting. New MTU: %d, max MTU: %d, min MTU: %d\n",
+ mtu, adapter->max_mtu, ENA_MIN_MTU);
return -EINVAL;
}
- rc = ena_com_set_dev_mtu(ena_dev, mtu);
+ rc = ENA_PROXY(adapter, ena_com_set_dev_mtu, ena_dev, mtu);
if (rc)
PMD_DRV_LOG(ERR, "Could not set MTU: %d\n", mtu);
else
- PMD_DRV_LOG(NOTICE, "Set MTU: %d\n", mtu);
+ PMD_DRV_LOG(NOTICE, "MTU set to: %d\n", mtu);
return rc;
}
uint64_t ticks;
int rc = 0;
+ /* Cannot allocate memory in secondary process */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ PMD_DRV_LOG(WARNING, "dev_start not supported in secondary.\n");
+ return -EPERM;
+ }
+
rc = ena_check_valid_conf(adapter);
if (rc)
return rc;
+ rc = ena_setup_rx_intr(dev);
+ if (rc)
+ return rc;
+
rc = ena_queue_start_all(dev, ENA_RING_TYPE_RX);
if (rc)
return rc;
if (rc)
goto err_start_tx;
- if (adapter->rte_dev->data->dev_conf.rxmode.mq_mode &
- ETH_MQ_RX_RSS_FLAG && adapter->rte_dev->data->nb_rx_queues > 0) {
- rc = ena_rss_init_default(adapter);
+ if (adapter->edev_data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
+ rc = ena_rss_configure(adapter);
if (rc)
goto err_rss_init;
}
ticks = rte_get_timer_hz();
rte_timer_reset(&adapter->timer_wd, ticks, PERIODICAL, rte_lcore_id(),
- ena_timer_wd_callback, adapter);
+ ena_timer_wd_callback, dev);
++adapter->dev_stats.dev_start;
adapter->state = ENA_ADAPTER_STATE_RUNNING;
return rc;
}
-static void ena_stop(struct rte_eth_dev *dev)
+static int ena_stop(struct rte_eth_dev *dev)
{
struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
int rc;
+ /* Cannot free memory in secondary process */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ PMD_DRV_LOG(WARNING, "dev_stop not supported in secondary.\n");
+ return -EPERM;
+ }
+
rte_timer_stop_sync(&adapter->timer_wd);
ena_queue_stop_all(dev, ENA_RING_TYPE_TX);
ena_queue_stop_all(dev, ENA_RING_TYPE_RX);
if (adapter->trigger_reset) {
rc = ena_com_dev_reset(ena_dev, adapter->reset_reason);
if (rc)
- PMD_DRV_LOG(ERR, "Device reset failed rc=%d\n", rc);
+ PMD_DRV_LOG(ERR, "Device reset failed, rc: %d\n", rc);
}
+ rte_intr_disable(intr_handle);
+
+ rte_intr_efd_disable(intr_handle);
+
+ /* Cleanup vector list */
+ rte_intr_vec_list_free(intr_handle);
+
+ rte_intr_enable(intr_handle);
+
++adapter->dev_stats.dev_stop;
adapter->state = ENA_ADAPTER_STATE_STOPPED;
+ dev->data->dev_started = 0;
+
+ return 0;
}
-static int ena_create_io_queue(struct ena_ring *ring)
+static int ena_create_io_queue(struct rte_eth_dev *dev, struct ena_ring *ring)
{
- struct ena_adapter *adapter;
- struct ena_com_dev *ena_dev;
+ struct ena_adapter *adapter = ring->adapter;
+ struct ena_com_dev *ena_dev = &adapter->ena_dev;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
struct ena_com_create_io_ctx ctx =
/* policy set to _HOST just to satisfy icc compiler */
{ ENA_ADMIN_PLACEMENT_POLICY_HOST,
unsigned int i;
int rc;
- adapter = ring->adapter;
- ena_dev = &adapter->ena_dev;
-
+ ctx.msix_vector = -1;
if (ring->type == ENA_RING_TYPE_TX) {
ena_qid = ENA_IO_TXQ_IDX(ring->id);
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_TX;
} else {
ena_qid = ENA_IO_RXQ_IDX(ring->id);
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_RX;
+ if (rte_intr_dp_is_en(intr_handle))
+ ctx.msix_vector =
+ rte_intr_vec_list_index_get(intr_handle,
+ ring->id);
+
for (i = 0; i < ring->ring_size; i++)
ring->empty_rx_reqs[i] = i;
}
ctx.queue_size = ring->ring_size;
ctx.qid = ena_qid;
- ctx.msix_vector = -1; /* interrupts not used */
ctx.numa_node = ring->numa_socket_id;
rc = ena_com_create_io_queue(ena_dev, &ctx);
if (rc) {
PMD_DRV_LOG(ERR,
- "failed to create io queue #%d (qid:%d) rc: %d\n",
+ "Failed to create IO queue[%d] (qid:%d), rc: %d\n",
ring->id, ena_qid, rc);
return rc;
}
&ring->ena_com_io_cq);
if (rc) {
PMD_DRV_LOG(ERR,
- "Failed to get io queue handlers. queue num %d rc: %d\n",
+ "Failed to get IO queue[%d] handlers, rc: %d\n",
ring->id, rc);
ena_com_destroy_io_queue(ena_dev, ena_qid);
return rc;
if (ring->type == ENA_RING_TYPE_TX)
ena_com_update_numa_node(ring->ena_com_io_cq, ctx.numa_node);
+ /* Start with Rx interrupts being masked. */
+ if (ring->type == ENA_RING_TYPE_RX && rte_intr_dp_is_en(intr_handle))
+ ena_rx_queue_intr_disable(dev, ring->id);
+
return 0;
}
ena_queue_stop(&queues[i]);
}
-static int ena_queue_start(struct ena_ring *ring)
+static int ena_queue_start(struct rte_eth_dev *dev, struct ena_ring *ring)
{
int rc, bufs_num;
ena_assert_msg(ring->configured == 1,
"Trying to start unconfigured queue\n");
- rc = ena_create_io_queue(ring);
+ rc = ena_create_io_queue(dev, ring);
if (rc) {
- PMD_INIT_LOG(ERR, "Failed to create IO queue!");
+ PMD_INIT_LOG(ERR, "Failed to create IO queue\n");
return rc;
}
if (rc != bufs_num) {
ena_com_destroy_io_queue(&ring->adapter->ena_dev,
ENA_IO_RXQ_IDX(ring->id));
- PMD_INIT_LOG(ERR, "Failed to populate rx ring !");
+ PMD_INIT_LOG(ERR, "Failed to populate Rx ring\n");
return ENA_COM_FAULT;
}
+ /* Flush per-core RX buffers pools cache as they can be used on other
+ * cores as well.
+ */
+ rte_mempool_cache_flush(NULL, ring->mb_pool);
return 0;
}
struct ena_ring *txq = NULL;
struct ena_adapter *adapter = dev->data->dev_private;
unsigned int i;
+ uint16_t dyn_thresh;
txq = &adapter->tx_ring[queue_idx];
if (txq->configured) {
PMD_DRV_LOG(CRIT,
- "API violation. Queue %d is already configured\n",
+ "API violation. Queue[%d] is already configured\n",
queue_idx);
return ENA_COM_FAULT;
}
if (!rte_is_power_of_2(nb_desc)) {
PMD_DRV_LOG(ERR,
- "Unsupported size of TX queue: %d is not a power of 2.\n",
+ "Unsupported size of Tx queue: %d is not a power of 2.\n",
nb_desc);
return -EINVAL;
}
if (nb_desc > adapter->max_tx_ring_size) {
PMD_DRV_LOG(ERR,
- "Unsupported size of TX queue (max size: %d)\n",
+ "Unsupported size of Tx queue (max size: %d)\n",
adapter->max_tx_ring_size);
return -EINVAL;
}
- if (nb_desc == RTE_ETH_DEV_FALLBACK_TX_RINGSIZE)
- nb_desc = adapter->max_tx_ring_size;
-
txq->port_id = dev->data->port_id;
txq->next_to_clean = 0;
txq->next_to_use = 0;
txq->ring_size = nb_desc;
+ txq->size_mask = nb_desc - 1;
txq->numa_socket_id = socket_id;
+ txq->pkts_without_db = false;
+ txq->last_cleanup_ticks = 0;
- txq->tx_buffer_info = rte_zmalloc("txq->tx_buffer_info",
- sizeof(struct ena_tx_buffer) *
- txq->ring_size,
- RTE_CACHE_LINE_SIZE);
+ txq->tx_buffer_info = rte_zmalloc_socket("txq->tx_buffer_info",
+ sizeof(struct ena_tx_buffer) * txq->ring_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!txq->tx_buffer_info) {
- PMD_DRV_LOG(ERR, "failed to alloc mem for tx buffer info\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for Tx buffer info\n");
return -ENOMEM;
}
- txq->empty_tx_reqs = rte_zmalloc("txq->empty_tx_reqs",
- sizeof(u16) * txq->ring_size,
- RTE_CACHE_LINE_SIZE);
+ txq->empty_tx_reqs = rte_zmalloc_socket("txq->empty_tx_reqs",
+ sizeof(uint16_t) * txq->ring_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!txq->empty_tx_reqs) {
- PMD_DRV_LOG(ERR, "failed to alloc mem for tx reqs\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for empty Tx requests\n");
rte_free(txq->tx_buffer_info);
return -ENOMEM;
}
txq->push_buf_intermediate_buf =
- rte_zmalloc("txq->push_buf_intermediate_buf",
- txq->tx_max_header_size,
- RTE_CACHE_LINE_SIZE);
+ rte_zmalloc_socket("txq->push_buf_intermediate_buf",
+ txq->tx_max_header_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!txq->push_buf_intermediate_buf) {
- PMD_DRV_LOG(ERR, "failed to alloc push buff for LLQ\n");
+ PMD_DRV_LOG(ERR, "Failed to alloc push buffer for LLQ\n");
rte_free(txq->tx_buffer_info);
rte_free(txq->empty_tx_reqs);
return -ENOMEM;
for (i = 0; i < txq->ring_size; i++)
txq->empty_tx_reqs[i] = i;
- if (tx_conf != NULL) {
- txq->offloads =
- tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
+ txq->offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
+
+ /* Check if caller provided the Tx cleanup threshold value. */
+ if (tx_conf->tx_free_thresh != 0) {
+ txq->tx_free_thresh = tx_conf->tx_free_thresh;
+ } else {
+ dyn_thresh = txq->ring_size -
+ txq->ring_size / ENA_REFILL_THRESH_DIVIDER;
+ txq->tx_free_thresh = RTE_MAX(dyn_thresh,
+ txq->ring_size - ENA_REFILL_THRESH_PACKET);
}
+
+ txq->missing_tx_completion_threshold =
+ RTE_MIN(txq->ring_size / 2, ENA_DEFAULT_MISSING_COMP);
+
/* Store pointer to this queue in upper layer */
txq->configured = 1;
dev->data->tx_queues[queue_idx] = txq;
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
- __rte_unused const struct rte_eth_rxconf *rx_conf,
+ const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
struct ena_adapter *adapter = dev->data->dev_private;
struct ena_ring *rxq = NULL;
size_t buffer_size;
int i;
+ uint16_t dyn_thresh;
rxq = &adapter->rx_ring[queue_idx];
if (rxq->configured) {
PMD_DRV_LOG(CRIT,
- "API violation. Queue %d is already configured\n",
+ "API violation. Queue[%d] is already configured\n",
queue_idx);
return ENA_COM_FAULT;
}
- if (nb_desc == RTE_ETH_DEV_FALLBACK_RX_RINGSIZE)
- nb_desc = adapter->max_rx_ring_size;
-
if (!rte_is_power_of_2(nb_desc)) {
PMD_DRV_LOG(ERR,
- "Unsupported size of RX queue: %d is not a power of 2.\n",
+ "Unsupported size of Rx queue: %d is not a power of 2.\n",
nb_desc);
return -EINVAL;
}
if (nb_desc > adapter->max_rx_ring_size) {
PMD_DRV_LOG(ERR,
- "Unsupported size of RX queue (max size: %d)\n",
+ "Unsupported size of Rx queue (max size: %d)\n",
adapter->max_rx_ring_size);
return -EINVAL;
}
buffer_size = rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
if (buffer_size < ENA_RX_BUF_MIN_SIZE) {
PMD_DRV_LOG(ERR,
- "Unsupported size of RX buffer: %zu (min size: %d)\n",
+ "Unsupported size of Rx buffer: %zu (min size: %d)\n",
buffer_size, ENA_RX_BUF_MIN_SIZE);
return -EINVAL;
}
rxq->next_to_clean = 0;
rxq->next_to_use = 0;
rxq->ring_size = nb_desc;
+ rxq->size_mask = nb_desc - 1;
rxq->numa_socket_id = socket_id;
rxq->mb_pool = mp;
- rxq->rx_buffer_info = rte_zmalloc("rxq->buffer_info",
- sizeof(struct rte_mbuf *) * nb_desc,
- RTE_CACHE_LINE_SIZE);
+ rxq->rx_buffer_info = rte_zmalloc_socket("rxq->buffer_info",
+ sizeof(struct ena_rx_buffer) * nb_desc,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!rxq->rx_buffer_info) {
- PMD_DRV_LOG(ERR, "failed to alloc mem for rx buffer info\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for Rx buffer info\n");
return -ENOMEM;
}
- rxq->rx_refill_buffer = rte_zmalloc("rxq->rx_refill_buffer",
- sizeof(struct rte_mbuf *) * nb_desc,
- RTE_CACHE_LINE_SIZE);
-
+ rxq->rx_refill_buffer = rte_zmalloc_socket("rxq->rx_refill_buffer",
+ sizeof(struct rte_mbuf *) * nb_desc,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!rxq->rx_refill_buffer) {
- PMD_DRV_LOG(ERR, "failed to alloc mem for rx refill buffer\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for Rx refill buffer\n");
rte_free(rxq->rx_buffer_info);
rxq->rx_buffer_info = NULL;
return -ENOMEM;
}
- rxq->empty_rx_reqs = rte_zmalloc("rxq->empty_rx_reqs",
- sizeof(uint16_t) * nb_desc,
- RTE_CACHE_LINE_SIZE);
+ rxq->empty_rx_reqs = rte_zmalloc_socket("rxq->empty_rx_reqs",
+ sizeof(uint16_t) * nb_desc,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
if (!rxq->empty_rx_reqs) {
- PMD_DRV_LOG(ERR, "failed to alloc mem for empty rx reqs\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for empty Rx requests\n");
rte_free(rxq->rx_buffer_info);
rxq->rx_buffer_info = NULL;
rte_free(rxq->rx_refill_buffer);
for (i = 0; i < nb_desc; i++)
rxq->empty_rx_reqs[i] = i;
+ rxq->offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads;
+
+ if (rx_conf->rx_free_thresh != 0) {
+ rxq->rx_free_thresh = rx_conf->rx_free_thresh;
+ } else {
+ dyn_thresh = rxq->ring_size / ENA_REFILL_THRESH_DIVIDER;
+ rxq->rx_free_thresh = RTE_MIN(dyn_thresh,
+ (uint16_t)(ENA_REFILL_THRESH_PACKET));
+ }
+
/* Store pointer to this queue in upper layer */
rxq->configured = 1;
dev->data->rx_queues[queue_idx] = rxq;
return 0;
}
+static int ena_add_single_rx_desc(struct ena_com_io_sq *io_sq,
+ struct rte_mbuf *mbuf, uint16_t id)
+{
+ struct ena_com_buf ebuf;
+ int rc;
+
+ /* prepare physical address for DMA transaction */
+ ebuf.paddr = mbuf->buf_iova + RTE_PKTMBUF_HEADROOM;
+ ebuf.len = mbuf->buf_len - RTE_PKTMBUF_HEADROOM;
+
+ /* pass resource to device */
+ rc = ena_com_add_single_rx_desc(io_sq, &ebuf, id);
+ if (unlikely(rc != 0))
+ PMD_RX_LOG(WARNING, "Failed adding Rx desc\n");
+
+ return rc;
+}
+
static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count)
{
unsigned int i;
int rc;
- uint16_t ring_size = rxq->ring_size;
- uint16_t ring_mask = ring_size - 1;
uint16_t next_to_use = rxq->next_to_use;
- uint16_t in_use, req_id;
+ uint16_t req_id;
+#ifdef RTE_ETHDEV_DEBUG_RX
+ uint16_t in_use;
+#endif
struct rte_mbuf **mbufs = rxq->rx_refill_buffer;
if (unlikely(!count))
return 0;
- in_use = rxq->next_to_use - rxq->next_to_clean;
- ena_assert_msg(((in_use + count) < ring_size), "bad ring state\n");
+#ifdef RTE_ETHDEV_DEBUG_RX
+ in_use = rxq->ring_size - 1 -
+ ena_com_free_q_entries(rxq->ena_com_io_sq);
+ if (unlikely((in_use + count) >= rxq->ring_size))
+ PMD_RX_LOG(ERR, "Bad Rx ring state\n");
+#endif
/* get resources for incoming packets */
- rc = rte_mempool_get_bulk(rxq->mb_pool, (void **)mbufs, count);
+ rc = rte_pktmbuf_alloc_bulk(rxq->mb_pool, mbufs, count);
if (unlikely(rc < 0)) {
rte_atomic64_inc(&rxq->adapter->drv_stats->rx_nombuf);
++rxq->rx_stats.mbuf_alloc_fail;
- PMD_RX_LOG(DEBUG, "there are no enough free buffers");
+ PMD_RX_LOG(DEBUG, "There are not enough free buffers\n");
return 0;
}
for (i = 0; i < count; i++) {
- uint16_t next_to_use_masked = next_to_use & ring_mask;
struct rte_mbuf *mbuf = mbufs[i];
- struct ena_com_buf ebuf;
+ struct ena_rx_buffer *rx_info;
if (likely((i + 4) < count))
rte_prefetch0(mbufs[i + 4]);
- req_id = rxq->empty_rx_reqs[next_to_use_masked];
- rc = validate_rx_req_id(rxq, req_id);
- if (unlikely(rc < 0))
- break;
- rxq->rx_buffer_info[req_id] = mbuf;
-
- /* prepare physical address for DMA transaction */
- ebuf.paddr = mbuf->buf_iova + RTE_PKTMBUF_HEADROOM;
- ebuf.len = mbuf->buf_len - RTE_PKTMBUF_HEADROOM;
- /* pass resource to device */
- rc = ena_com_add_single_rx_desc(rxq->ena_com_io_sq,
- &ebuf, req_id);
- if (unlikely(rc)) {
- PMD_DRV_LOG(WARNING, "failed adding rx desc\n");
- rxq->rx_buffer_info[req_id] = NULL;
+ req_id = rxq->empty_rx_reqs[next_to_use];
+ rx_info = &rxq->rx_buffer_info[req_id];
+
+ rc = ena_add_single_rx_desc(rxq->ena_com_io_sq, mbuf, req_id);
+ if (unlikely(rc != 0))
break;
- }
- next_to_use++;
+
+ rx_info->mbuf = mbuf;
+ next_to_use = ENA_IDX_NEXT_MASKED(next_to_use, rxq->size_mask);
}
if (unlikely(i < count)) {
- PMD_DRV_LOG(WARNING, "refilled rx qid %d with only %d "
- "buffers (from %d)\n", rxq->id, i, count);
- rte_mempool_put_bulk(rxq->mb_pool, (void **)(&mbufs[i]),
- count - i);
+ PMD_RX_LOG(WARNING,
+ "Refilled Rx queue[%d] with only %d/%d buffers\n",
+ rxq->id, i, count);
+ rte_pktmbuf_free_bulk(&mbufs[i], count - i);
++rxq->rx_stats.refill_partial;
}
- /* When we submitted free recources to device... */
+ /* When we submitted free resources to device... */
if (likely(i > 0)) {
- /* ...let HW know that it can fill buffers with data
- *
- * Add memory barrier to make sure the desc were written before
- * issue a doorbell
- */
- rte_wmb();
+ /* ...let HW know that it can fill buffers with data. */
ena_com_write_sq_doorbell(rxq->ena_com_io_sq);
rxq->next_to_use = next_to_use;
return i;
}
-static int ena_device_init(struct ena_com_dev *ena_dev,
- struct ena_com_dev_get_features_ctx *get_feat_ctx,
- bool *wd_state)
+static int ena_device_init(struct ena_adapter *adapter,
+ struct rte_pci_device *pdev,
+ struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
+ struct ena_com_dev *ena_dev = &adapter->ena_dev;
uint32_t aenq_groups;
int rc;
bool readless_supported;
/* Initialize mmio registers */
rc = ena_com_mmio_reg_read_request_init(ena_dev);
if (rc) {
- PMD_DRV_LOG(ERR, "failed to init mmio read less\n");
+ PMD_DRV_LOG(ERR, "Failed to init MMIO read less\n");
return rc;
}
/* The PCIe configuration space revision id indicate if mmio reg
* read is disabled.
*/
- readless_supported =
- !(((struct rte_pci_device *)ena_dev->dmadev)->id.class_id
- & ENA_MMIO_DISABLE_REG_READ);
+ readless_supported = !(pdev->id.class_id & ENA_MMIO_DISABLE_REG_READ);
ena_com_set_mmio_read_mode(ena_dev, readless_supported);
/* reset device */
rc = ena_com_dev_reset(ena_dev, ENA_REGS_RESET_NORMAL);
if (rc) {
- PMD_DRV_LOG(ERR, "cannot reset device\n");
+ PMD_DRV_LOG(ERR, "Cannot reset device\n");
goto err_mmio_read_less;
}
/* check FW version */
rc = ena_com_validate_version(ena_dev);
if (rc) {
- PMD_DRV_LOG(ERR, "device version is too low\n");
+ PMD_DRV_LOG(ERR, "Device version is too low\n");
goto err_mmio_read_less;
}
rc = ena_com_admin_init(ena_dev, &aenq_handlers);
if (rc) {
PMD_DRV_LOG(ERR,
- "cannot initialize ena admin queue with device\n");
+ "Cannot initialize ENA admin queue\n");
goto err_mmio_read_less;
}
rc = ena_com_get_dev_attr_feat(ena_dev, get_feat_ctx);
if (rc) {
PMD_DRV_LOG(ERR,
- "cannot get attribute for ena device rc= %d\n", rc);
+ "Cannot get attribute for ENA device, rc: %d\n", rc);
goto err_admin_init;
}
BIT(ENA_ADMIN_WARNING);
aenq_groups &= get_feat_ctx->aenq.supported_groups;
- rc = ena_com_set_aenq_config(ena_dev, aenq_groups);
- if (rc) {
- PMD_DRV_LOG(ERR, "Cannot configure aenq groups rc: %d\n", rc);
- goto err_admin_init;
- }
- *wd_state = !!(aenq_groups & BIT(ENA_ADMIN_KEEP_ALIVE));
+ adapter->all_aenq_groups = aenq_groups;
return 0;
static void ena_interrupt_handler_rte(void *cb_arg)
{
- struct ena_adapter *adapter = cb_arg;
+ struct rte_eth_dev *dev = cb_arg;
+ struct ena_adapter *adapter = dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
ena_com_admin_q_comp_intr_handler(ena_dev);
if (likely(adapter->state != ENA_ADAPTER_STATE_CLOSED))
- ena_com_aenq_intr_handler(ena_dev, adapter);
+ ena_com_aenq_intr_handler(ena_dev, dev);
}
static void check_for_missing_keep_alive(struct ena_adapter *adapter)
{
- if (!adapter->wd_state)
+ if (!(adapter->active_aenq_groups & BIT(ENA_ADMIN_KEEP_ALIVE)))
return;
if (adapter->keep_alive_timeout == ENA_HW_HINTS_NO_TIMEOUT)
if (unlikely((rte_get_timer_cycles() - adapter->timestamp_wd) >=
adapter->keep_alive_timeout)) {
PMD_DRV_LOG(ERR, "Keep alive timeout\n");
- adapter->reset_reason = ENA_REGS_RESET_KEEP_ALIVE_TO;
- adapter->trigger_reset = true;
+ ena_trigger_reset(adapter, ENA_REGS_RESET_KEEP_ALIVE_TO);
++adapter->dev_stats.wd_expired;
}
}
static void check_for_admin_com_state(struct ena_adapter *adapter)
{
if (unlikely(!ena_com_get_admin_running_state(&adapter->ena_dev))) {
- PMD_DRV_LOG(ERR, "ENA admin queue is not in running state!\n");
- adapter->reset_reason = ENA_REGS_RESET_ADMIN_TO;
+ PMD_DRV_LOG(ERR, "ENA admin queue is not in running state\n");
+ ena_trigger_reset(adapter, ENA_REGS_RESET_ADMIN_TO);
+ }
+}
+
+static int check_for_tx_completion_in_queue(struct ena_adapter *adapter,
+ struct ena_ring *tx_ring)
+{
+ struct ena_tx_buffer *tx_buf;
+ uint64_t timestamp;
+ uint64_t completion_delay;
+ uint32_t missed_tx = 0;
+ unsigned int i;
+ int rc = 0;
+
+ for (i = 0; i < tx_ring->ring_size; ++i) {
+ tx_buf = &tx_ring->tx_buffer_info[i];
+ timestamp = tx_buf->timestamp;
+
+ if (timestamp == 0)
+ continue;
+
+ completion_delay = rte_get_timer_cycles() - timestamp;
+ if (completion_delay > adapter->missing_tx_completion_to) {
+ if (unlikely(!tx_buf->print_once)) {
+ PMD_TX_LOG(WARNING,
+ "Found a Tx that wasn't completed on time, qid %d, index %d. "
+ "Missing Tx outstanding for %" PRIu64 " msecs.\n",
+ tx_ring->id, i, completion_delay /
+ rte_get_timer_hz() * 1000);
+ tx_buf->print_once = true;
+ }
+ ++missed_tx;
+ }
+ }
+
+ if (unlikely(missed_tx > tx_ring->missing_tx_completion_threshold)) {
+ PMD_DRV_LOG(ERR,
+ "The number of lost Tx completions is above the threshold (%d > %d). "
+ "Trigger the device reset.\n",
+ missed_tx,
+ tx_ring->missing_tx_completion_threshold);
+ adapter->reset_reason = ENA_REGS_RESET_MISS_TX_CMPL;
adapter->trigger_reset = true;
+ rc = -EIO;
+ }
+
+ tx_ring->tx_stats.missed_tx += missed_tx;
+
+ return rc;
+}
+
+static void check_for_tx_completions(struct ena_adapter *adapter)
+{
+ struct ena_ring *tx_ring;
+ uint64_t tx_cleanup_delay;
+ size_t qid;
+ int budget;
+ uint16_t nb_tx_queues = adapter->edev_data->nb_tx_queues;
+
+ if (adapter->missing_tx_completion_to == ENA_HW_HINTS_NO_TIMEOUT)
+ return;
+
+ nb_tx_queues = adapter->edev_data->nb_tx_queues;
+ budget = adapter->missing_tx_completion_budget;
+
+ qid = adapter->last_tx_comp_qid;
+ while (budget-- > 0) {
+ tx_ring = &adapter->tx_ring[qid];
+
+ /* Tx cleanup is called only by the burst function and can be
+ * called dynamically by the application. Also cleanup is
+ * limited by the threshold. To avoid false detection of the
+ * missing HW Tx completion, get the delay since last cleanup
+ * function was called.
+ */
+ tx_cleanup_delay = rte_get_timer_cycles() -
+ tx_ring->last_cleanup_ticks;
+ if (tx_cleanup_delay < adapter->tx_cleanup_stall_delay)
+ check_for_tx_completion_in_queue(adapter, tx_ring);
+ qid = (qid + 1) % nb_tx_queues;
}
+
+ adapter->last_tx_comp_qid = qid;
}
static void ena_timer_wd_callback(__rte_unused struct rte_timer *timer,
void *arg)
{
- struct ena_adapter *adapter = arg;
- struct rte_eth_dev *dev = adapter->rte_dev;
+ struct rte_eth_dev *dev = arg;
+ struct ena_adapter *adapter = dev->data->dev_private;
+
+ if (unlikely(adapter->trigger_reset))
+ return;
check_for_missing_keep_alive(adapter);
check_for_admin_com_state(adapter);
+ check_for_tx_completions(adapter);
if (unlikely(adapter->trigger_reset)) {
PMD_DRV_LOG(ERR, "Trigger reset is on\n");
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
+ rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
NULL);
}
}
return 0;
}
+ if (adapter->dev_mem_base == NULL) {
+ PMD_DRV_LOG(ERR,
+ "LLQ is advertised as supported, but device doesn't expose mem bar\n");
+ ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+ return 0;
+ }
+
rc = ena_com_config_dev_mode(ena_dev, llq, llq_default_configurations);
if (unlikely(rc)) {
- PMD_INIT_LOG(WARNING, "Failed to config dev mode. "
- "Fallback to host mode policy.");
+ PMD_INIT_LOG(WARNING,
+ "Failed to config dev mode. Fallback to host mode policy.\n");
ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
return 0;
}
if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
return 0;
- if (!adapter->dev_mem_base) {
- PMD_DRV_LOG(ERR, "Unable to access LLQ bar resource. "
- "Fallback to host mode policy.\n.");
- ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
- return 0;
- }
-
ena_dev->mem_bar = adapter->dev_mem_base;
return 0;
max_num_io_queues = RTE_MIN(max_num_io_queues, io_tx_cq_num);
if (unlikely(max_num_io_queues == 0)) {
- PMD_DRV_LOG(ERR, "Number of IO queues should not be 0\n");
+ PMD_DRV_LOG(ERR, "Number of IO queues cannot not be 0\n");
return -EFAULT;
}
return max_num_io_queues;
}
-static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
+static void
+ena_set_offloads(struct ena_offloads *offloads,
+ struct ena_admin_feature_offload_desc *offload_desc)
{
- struct ena_calc_queue_size_ctx calc_queue_ctx = { 0 };
- struct rte_pci_device *pci_dev;
+ if (offload_desc->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK)
+ offloads->tx_offloads |= ENA_IPV4_TSO;
+
+ /* Tx IPv4 checksum offloads */
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK)
+ offloads->tx_offloads |= ENA_L3_IPV4_CSUM;
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV4_CSUM;
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV4_CSUM_PARTIAL;
+
+ /* Tx IPv6 checksum offloads */
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV6_CSUM;
+ if (offload_desc->tx &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK)
+ offloads->tx_offloads |= ENA_L4_IPV6_CSUM_PARTIAL;
+
+ /* Rx IPv4 checksum offloads */
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK)
+ offloads->rx_offloads |= ENA_L3_IPV4_CSUM;
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK)
+ offloads->rx_offloads |= ENA_L4_IPV4_CSUM;
+
+ /* Rx IPv6 checksum offloads */
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK)
+ offloads->rx_offloads |= ENA_L4_IPV6_CSUM;
+
+ if (offload_desc->rx_supported &
+ ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK)
+ offloads->rx_offloads |= ENA_RX_RSS_HASH;
+}
+
+static int ena_init_once(void)
+{
+ static bool init_done;
+
+ if (init_done)
+ return 0;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ /* Init timer subsystem for the ENA timer service. */
+ rte_timer_subsystem_init();
+ /* Register handler for requests from secondary processes. */
+ rte_mp_action_register(ENA_MP_NAME, ena_mp_primary_handle);
+ }
+
+ init_done = true;
+ return 0;
+}
+
+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 = eth_dev->data->dev_private;
struct ena_com_dev *ena_dev = &adapter->ena_dev;
const char *queue_type_str;
uint32_t max_num_io_queues;
int rc;
-
static int adapters_found;
- bool wd_state;
+ bool disable_meta_caching;
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;
+ rc = ena_init_once();
+ if (rc != 0)
+ return rc;
+
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
+ eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
+
memset(adapter, 0, sizeof(struct ena_adapter));
ena_dev = &adapter->ena_dev;
- adapter->rte_eth_dev_data = eth_dev->data;
- adapter->rte_dev = eth_dev;
+ adapter->edev_data = eth_dev->data;
pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
- adapter->pdev = pci_dev;
- PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d",
+ PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d\n",
pci_dev->addr.domain,
pci_dev->addr.bus,
pci_dev->addr.devid,
pci_dev->addr.function);
- intr_handle = &pci_dev->intr_handle;
+ intr_handle = pci_dev->intr_handle;
adapter->regs = pci_dev->mem_resource[ENA_REGS_BAR].addr;
adapter->dev_mem_base = pci_dev->mem_resource[ENA_MEM_BAR].addr;
if (!adapter->regs) {
- PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)",
+ PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)\n",
ENA_REGS_BAR);
return -ENXIO;
}
ena_dev->reg_bar = adapter->regs;
- ena_dev->dmadev = adapter->pdev;
+ /* Pass device data as a pointer which can be passed to the IO functions
+ * by the ena_com (for example - the memory allocation).
+ */
+ ena_dev->dmadev = eth_dev->data;
adapter->id_number = adapters_found;
snprintf(adapter->name, ENA_NAME_MAX_LEN, "ena_%d",
adapter->id_number);
+ adapter->missing_tx_completion_to = ENA_TX_TIMEOUT;
+
rc = ena_parse_devargs(adapter, pci_dev->device.devargs);
if (rc != 0) {
PMD_INIT_LOG(CRIT, "Failed to parse devargs\n");
}
/* device specific initialization routine */
- rc = ena_device_init(ena_dev, &get_feat_ctx, &wd_state);
+ rc = ena_device_init(adapter, pci_dev, &get_feat_ctx);
if (rc) {
- PMD_INIT_LOG(CRIT, "Failed to init ENA device");
+ PMD_INIT_LOG(CRIT, "Failed to init ENA device\n");
goto err;
}
- adapter->wd_state = wd_state;
+
+ /* Check if device supports LSC */
+ if (!(adapter->all_aenq_groups & BIT(ENA_ADMIN_LINK_CHANGE)))
+ adapter->edev_data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC;
set_default_llq_configurations(&llq_config, &get_feat_ctx.llq,
adapter->use_large_llq_hdr);
rc = ena_set_queues_placement_policy(adapter, ena_dev,
&get_feat_ctx.llq, &llq_config);
if (unlikely(rc)) {
- PMD_INIT_LOG(CRIT, "Failed to set placement policy");
+ PMD_INIT_LOG(CRIT, "Failed to set placement policy\n");
return rc;
}
adapter->max_rx_sgl_size = calc_queue_ctx.max_rx_sgl_size;
adapter->max_num_io_queues = max_num_io_queues;
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+ disable_meta_caching =
+ !!(get_feat_ctx.llq.accel_mode.u.get.supported_flags &
+ BIT(ENA_ADMIN_DISABLE_META_CACHING));
+ } else {
+ disable_meta_caching = false;
+ }
+
/* prepare ring structures */
- ena_init_rings(adapter);
+ ena_init_rings(adapter, disable_meta_caching);
ena_config_debug_area(adapter);
/* Set max MTU for this device */
adapter->max_mtu = get_feat_ctx.dev_attr.max_mtu;
- /* set device support for offloads */
- adapter->offloads.tso4_supported = (get_feat_ctx.offload.tx &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK) != 0;
- adapter->offloads.tx_csum_supported = (get_feat_ctx.offload.tx &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK) != 0;
- adapter->offloads.rx_csum_supported =
- (get_feat_ctx.offload.rx_supported &
- ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK) != 0;
+ ena_set_offloads(&adapter->offloads, &get_feat_ctx.offload);
/* Copy MAC address and point DPDK to it */
eth_dev->data->mac_addrs = (struct rte_ether_addr *)adapter->mac_addr;
get_feat_ctx.dev_attr.mac_addr,
(struct rte_ether_addr *)adapter->mac_addr);
- /*
- * Pass the information to the rte_eth_dev_close() that it should also
- * release the private port resources.
- */
- eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+ rc = ena_com_rss_init(ena_dev, ENA_RX_RSS_TABLE_LOG_SIZE);
+ if (unlikely(rc != 0)) {
+ PMD_DRV_LOG(ERR, "Failed to initialize RSS in ENA device\n");
+ goto err_delete_debug_area;
+ }
adapter->drv_stats = rte_zmalloc("adapter stats",
sizeof(*adapter->drv_stats),
RTE_CACHE_LINE_SIZE);
if (!adapter->drv_stats) {
- PMD_DRV_LOG(ERR, "failed to alloc mem for adapter stats\n");
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate memory for adapter statistics\n");
rc = -ENOMEM;
- goto err_delete_debug_area;
+ goto err_rss_destroy;
}
+ rte_spinlock_init(&adapter->admin_lock);
+
rte_intr_callback_register(intr_handle,
ena_interrupt_handler_rte,
- adapter);
+ eth_dev);
rte_intr_enable(intr_handle);
ena_com_set_admin_polling_mode(ena_dev, false);
ena_com_admin_aenq_enable(ena_dev);
- if (adapters_found == 0)
- rte_timer_subsystem_init();
rte_timer_init(&adapter->timer_wd);
adapters_found++;
return 0;
+err_rss_destroy:
+ ena_com_rss_destroy(ena_dev);
err_delete_debug_area:
ena_com_delete_debug_area(ena_dev);
if (adapter->state != ENA_ADAPTER_STATE_CLOSED)
ena_close(eth_dev);
+ ena_com_rss_destroy(ena_dev);
+
ena_com_delete_debug_area(ena_dev);
ena_com_delete_host_info(ena_dev);
ena_destroy_device(eth_dev);
- eth_dev->dev_ops = NULL;
- eth_dev->rx_pkt_burst = NULL;
- eth_dev->tx_pkt_burst = NULL;
- eth_dev->tx_pkt_prepare = NULL;
-
return 0;
}
static int ena_dev_configure(struct rte_eth_dev *dev)
{
struct ena_adapter *adapter = dev->data->dev_private;
+ int rc;
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;
+ if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
+ dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
+ dev->data->dev_conf.txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
+
+ /* Scattered Rx cannot be turned off in the HW, so this capability must
+ * be forced.
+ */
+ dev->data->scattered_rx = 1;
+
+ adapter->last_tx_comp_qid = 0;
+
+ adapter->missing_tx_completion_budget =
+ RTE_MIN(ENA_MONITORED_TX_QUEUES, dev->data->nb_tx_queues);
+
+ /* To avoid detection of the spurious Tx completion timeout due to
+ * application not calling the Tx cleanup function, set timeout for the
+ * Tx queue which should be half of the missing completion timeout for a
+ * safety. If there will be a lot of missing Tx completions in the
+ * queue, they will be detected sooner or later.
+ */
+ adapter->tx_cleanup_stall_delay = adapter->missing_tx_completion_to / 2;
+
+ rc = ena_configure_aenq(adapter);
+
+ return rc;
}
-static void ena_init_rings(struct ena_adapter *adapter)
+static void ena_init_rings(struct ena_adapter *adapter,
+ bool disable_meta_caching)
{
size_t 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;
+ ring->disable_meta_caching = disable_meta_caching;
}
for (i = 0; i < adapter->max_num_io_queues; i++) {
}
}
+static uint64_t ena_get_rx_port_offloads(struct ena_adapter *adapter)
+{
+ uint64_t port_offloads = 0;
+
+ if (adapter->offloads.rx_offloads & ENA_L3_IPV4_CSUM)
+ port_offloads |= RTE_ETH_RX_OFFLOAD_IPV4_CKSUM;
+
+ if (adapter->offloads.rx_offloads &
+ (ENA_L4_IPV4_CSUM | ENA_L4_IPV6_CSUM))
+ port_offloads |=
+ RTE_ETH_RX_OFFLOAD_UDP_CKSUM | RTE_ETH_RX_OFFLOAD_TCP_CKSUM;
+
+ if (adapter->offloads.rx_offloads & ENA_RX_RSS_HASH)
+ port_offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
+
+ port_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
+
+ return port_offloads;
+}
+
+static uint64_t ena_get_tx_port_offloads(struct ena_adapter *adapter)
+{
+ uint64_t port_offloads = 0;
+
+ if (adapter->offloads.tx_offloads & ENA_IPV4_TSO)
+ port_offloads |= RTE_ETH_TX_OFFLOAD_TCP_TSO;
+
+ if (adapter->offloads.tx_offloads & ENA_L3_IPV4_CSUM)
+ port_offloads |= RTE_ETH_TX_OFFLOAD_IPV4_CKSUM;
+ if (adapter->offloads.tx_offloads &
+ (ENA_L4_IPV4_CSUM_PARTIAL | ENA_L4_IPV4_CSUM |
+ ENA_L4_IPV6_CSUM | ENA_L4_IPV6_CSUM_PARTIAL))
+ port_offloads |=
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM | RTE_ETH_TX_OFFLOAD_TCP_CKSUM;
+
+ port_offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
+
+ return port_offloads;
+}
+
+static uint64_t ena_get_rx_queue_offloads(struct ena_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+static uint64_t ena_get_tx_queue_offloads(struct ena_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
static int ena_infos_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
struct ena_adapter *adapter;
struct ena_com_dev *ena_dev;
- uint64_t rx_feat = 0, tx_feat = 0;
ena_assert_msg(dev->data != NULL, "Uninitialized device\n");
ena_assert_msg(dev->data->dev_private != NULL, "Uninitialized device\n");
ena_assert_msg(ena_dev != NULL, "Uninitialized device\n");
dev_info->speed_capa =
- ETH_LINK_SPEED_1G |
- ETH_LINK_SPEED_2_5G |
- ETH_LINK_SPEED_5G |
- ETH_LINK_SPEED_10G |
- ETH_LINK_SPEED_25G |
- ETH_LINK_SPEED_40G |
- ETH_LINK_SPEED_50G |
- ETH_LINK_SPEED_100G;
-
- /* Set Tx & Rx features available for device */
- if (adapter->offloads.tso4_supported)
- tx_feat |= DEV_TX_OFFLOAD_TCP_TSO;
-
- if (adapter->offloads.tx_csum_supported)
- tx_feat |= DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM;
-
- if (adapter->offloads.rx_csum_supported)
- rx_feat |= DEV_RX_OFFLOAD_IPV4_CKSUM |
- DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM;
-
- rx_feat |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ RTE_ETH_LINK_SPEED_1G |
+ RTE_ETH_LINK_SPEED_2_5G |
+ RTE_ETH_LINK_SPEED_5G |
+ RTE_ETH_LINK_SPEED_10G |
+ RTE_ETH_LINK_SPEED_25G |
+ RTE_ETH_LINK_SPEED_40G |
+ RTE_ETH_LINK_SPEED_50G |
+ RTE_ETH_LINK_SPEED_100G;
/* Inform framework about available features */
- dev_info->rx_offload_capa = 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->rx_offload_capa = ena_get_rx_port_offloads(adapter);
+ dev_info->tx_offload_capa = ena_get_tx_port_offloads(adapter);
+ dev_info->rx_queue_offload_capa = ena_get_rx_queue_offloads(adapter);
+ dev_info->tx_queue_offload_capa = ena_get_tx_queue_offloads(adapter);
- dev_info->flow_type_rss_offloads = ETH_RSS_IP | ETH_RSS_TCP |
- ETH_RSS_UDP;
+ dev_info->flow_type_rss_offloads = ENA_ALL_RSS_HF;
+ dev_info->hash_key_size = ENA_HASH_KEY_SIZE;
dev_info->min_rx_bufsize = ENA_MIN_FRAME_LEN;
- dev_info->max_rx_pktlen = adapter->max_mtu;
+ dev_info->max_rx_pktlen = adapter->max_mtu + RTE_ETHER_HDR_LEN +
+ RTE_ETHER_CRC_LEN;
+ dev_info->min_mtu = ENA_MIN_MTU;
+ dev_info->max_mtu = adapter->max_mtu;
dev_info->max_mac_addrs = 1;
dev_info->max_rx_queues = adapter->max_num_io_queues;
dev_info->max_tx_queues = adapter->max_num_io_queues;
dev_info->reta_size = ENA_RX_RSS_TABLE_SIZE;
- adapter->tx_supported_offloads = tx_feat;
- adapter->rx_supported_offloads = rx_feat;
-
dev_info->rx_desc_lim.nb_max = adapter->max_rx_ring_size;
dev_info->rx_desc_lim.nb_min = ENA_MIN_RING_DESC;
dev_info->rx_desc_lim.nb_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
dev_info->tx_desc_lim.nb_mtu_seg_max = RTE_MIN(ENA_PKT_MAX_BUFS,
adapter->max_tx_sgl_size);
+ dev_info->default_rxportconf.ring_size = ENA_DEFAULT_RING_SIZE;
+ dev_info->default_txportconf.ring_size = ENA_DEFAULT_RING_SIZE;
+
return 0;
}
+static inline void ena_init_rx_mbuf(struct rte_mbuf *mbuf, uint16_t len)
+{
+ mbuf->data_len = len;
+ mbuf->data_off = RTE_PKTMBUF_HEADROOM;
+ mbuf->refcnt = 1;
+ mbuf->next = NULL;
+}
+
+static struct rte_mbuf *ena_rx_mbuf(struct ena_ring *rx_ring,
+ struct ena_com_rx_buf_info *ena_bufs,
+ uint32_t descs,
+ uint16_t *next_to_clean,
+ uint8_t offset)
+{
+ struct rte_mbuf *mbuf;
+ struct rte_mbuf *mbuf_head;
+ struct ena_rx_buffer *rx_info;
+ int rc;
+ uint16_t ntc, len, req_id, buf = 0;
+
+ if (unlikely(descs == 0))
+ return NULL;
+
+ ntc = *next_to_clean;
+
+ len = ena_bufs[buf].len;
+ req_id = ena_bufs[buf].req_id;
+
+ rx_info = &rx_ring->rx_buffer_info[req_id];
+
+ mbuf = rx_info->mbuf;
+ RTE_ASSERT(mbuf != NULL);
+
+ ena_init_rx_mbuf(mbuf, len);
+
+ /* Fill the mbuf head with the data specific for 1st segment. */
+ mbuf_head = mbuf;
+ mbuf_head->nb_segs = descs;
+ mbuf_head->port = rx_ring->port_id;
+ mbuf_head->pkt_len = len;
+ mbuf_head->data_off += offset;
+
+ rx_info->mbuf = NULL;
+ rx_ring->empty_rx_reqs[ntc] = req_id;
+ ntc = ENA_IDX_NEXT_MASKED(ntc, rx_ring->size_mask);
+
+ while (--descs) {
+ ++buf;
+ len = ena_bufs[buf].len;
+ req_id = ena_bufs[buf].req_id;
+
+ rx_info = &rx_ring->rx_buffer_info[req_id];
+ RTE_ASSERT(rx_info->mbuf != NULL);
+
+ if (unlikely(len == 0)) {
+ /*
+ * Some devices can pass descriptor with the length 0.
+ * To avoid confusion, the PMD is simply putting the
+ * descriptor back, as it was never used. We'll avoid
+ * mbuf allocation that way.
+ */
+ rc = ena_add_single_rx_desc(rx_ring->ena_com_io_sq,
+ rx_info->mbuf, req_id);
+ if (unlikely(rc != 0)) {
+ /* Free the mbuf in case of an error. */
+ rte_mbuf_raw_free(rx_info->mbuf);
+ } else {
+ /*
+ * If there was no error, just exit the loop as
+ * 0 length descriptor is always the last one.
+ */
+ break;
+ }
+ } else {
+ /* Create an mbuf chain. */
+ mbuf->next = rx_info->mbuf;
+ mbuf = mbuf->next;
+
+ ena_init_rx_mbuf(mbuf, len);
+ mbuf_head->pkt_len += len;
+ }
+
+ /*
+ * Mark the descriptor as depleted and perform necessary
+ * cleanup.
+ * This code will execute in two cases:
+ * 1. Descriptor len was greater than 0 - normal situation.
+ * 2. Descriptor len was 0 and we failed to add the descriptor
+ * to the device. In that situation, we should try to add
+ * the mbuf again in the populate routine and mark the
+ * descriptor as used up by the device.
+ */
+ rx_info->mbuf = NULL;
+ rx_ring->empty_rx_reqs[ntc] = req_id;
+ ntc = ENA_IDX_NEXT_MASKED(ntc, rx_ring->size_mask);
+ }
+
+ *next_to_clean = ntc;
+
+ return mbuf_head;
+}
+
static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
struct ena_ring *rx_ring = (struct ena_ring *)(rx_queue);
- unsigned int ring_size = rx_ring->ring_size;
- unsigned int ring_mask = ring_size - 1;
+ unsigned int free_queue_entries;
uint16_t next_to_clean = rx_ring->next_to_clean;
- uint16_t desc_in_use = 0;
- uint16_t req_id;
- unsigned int recv_idx = 0;
- struct rte_mbuf *mbuf = NULL;
- struct rte_mbuf *mbuf_head = NULL;
- struct rte_mbuf *mbuf_prev = NULL;
- struct rte_mbuf **rx_buff_info = rx_ring->rx_buffer_info;
- unsigned int completed;
-
+ uint16_t descs_in_use;
+ struct rte_mbuf *mbuf;
+ uint16_t completed;
struct ena_com_rx_ctx ena_rx_ctx;
- int rc = 0;
+ int i, rc = 0;
+ bool fill_hash;
+#ifdef RTE_ETHDEV_DEBUG_RX
/* Check adapter state */
if (unlikely(rx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
- PMD_DRV_LOG(ALERT,
+ PMD_RX_LOG(ALERT,
"Trying to receive pkts while device is NOT running\n");
return 0;
}
+#endif
- desc_in_use = rx_ring->next_to_use - next_to_clean;
- if (unlikely(nb_pkts > desc_in_use))
- nb_pkts = desc_in_use;
+ fill_hash = rx_ring->offloads & RTE_ETH_RX_OFFLOAD_RSS_HASH;
- for (completed = 0; completed < nb_pkts; completed++) {
- int segments = 0;
+ descs_in_use = rx_ring->ring_size -
+ ena_com_free_q_entries(rx_ring->ena_com_io_sq) - 1;
+ nb_pkts = RTE_MIN(descs_in_use, nb_pkts);
+ for (completed = 0; completed < nb_pkts; completed++) {
ena_rx_ctx.max_bufs = rx_ring->sgl_size;
ena_rx_ctx.ena_bufs = rx_ring->ena_bufs;
ena_rx_ctx.descs = 0;
rx_ring->ena_com_io_sq,
&ena_rx_ctx);
if (unlikely(rc)) {
- PMD_DRV_LOG(ERR, "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;
+ PMD_RX_LOG(ERR,
+ "Failed to get the packet from the device, rc: %d\n",
+ rc);
+ if (rc == ENA_COM_NO_SPACE) {
+ ++rx_ring->rx_stats.bad_desc_num;
+ ena_trigger_reset(rx_ring->adapter,
+ ENA_REGS_RESET_TOO_MANY_RX_DESCS);
+ } else {
+ ++rx_ring->rx_stats.bad_req_id;
+ ena_trigger_reset(rx_ring->adapter,
+ ENA_REGS_RESET_INV_RX_REQ_ID);
+ }
return 0;
}
- if (unlikely(ena_rx_ctx.descs == 0))
- break;
-
- while (segments < ena_rx_ctx.descs) {
- req_id = ena_rx_ctx.ena_bufs[segments].req_id;
- rc = validate_rx_req_id(rx_ring, req_id);
- if (unlikely(rc)) {
- if (segments != 0)
- rte_mbuf_raw_free(mbuf_head);
- break;
- }
-
- mbuf = rx_buff_info[req_id];
- rx_buff_info[req_id] = NULL;
- mbuf->data_len = ena_rx_ctx.ena_bufs[segments].len;
- mbuf->data_off = RTE_PKTMBUF_HEADROOM;
- mbuf->refcnt = 1;
- mbuf->next = NULL;
- if (unlikely(segments == 0)) {
- mbuf->nb_segs = ena_rx_ctx.descs;
- mbuf->port = rx_ring->port_id;
- mbuf->pkt_len = 0;
- mbuf->data_off += ena_rx_ctx.pkt_offset;
- mbuf_head = mbuf;
- } else {
- /* for multi-segment pkts create mbuf chain */
- mbuf_prev->next = mbuf;
+ mbuf = ena_rx_mbuf(rx_ring,
+ ena_rx_ctx.ena_bufs,
+ ena_rx_ctx.descs,
+ &next_to_clean,
+ ena_rx_ctx.pkt_offset);
+ if (unlikely(mbuf == NULL)) {
+ for (i = 0; i < ena_rx_ctx.descs; ++i) {
+ rx_ring->empty_rx_reqs[next_to_clean] =
+ rx_ring->ena_bufs[i].req_id;
+ next_to_clean = ENA_IDX_NEXT_MASKED(
+ next_to_clean, rx_ring->size_mask);
}
- mbuf_head->pkt_len += mbuf->data_len;
-
- mbuf_prev = mbuf;
- rx_ring->empty_rx_reqs[next_to_clean & ring_mask] =
- req_id;
- segments++;
- next_to_clean++;
- }
- if (unlikely(rc))
break;
+ }
/* fill mbuf attributes if any */
- ena_rx_mbuf_prepare(mbuf_head, &ena_rx_ctx);
+ ena_rx_mbuf_prepare(rx_ring, mbuf, &ena_rx_ctx, fill_hash);
- if (unlikely(mbuf_head->ol_flags &
- (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD))) {
+ if (unlikely(mbuf->ol_flags &
+ (RTE_MBUF_F_RX_IP_CKSUM_BAD | RTE_MBUF_F_RX_L4_CKSUM_BAD)))
rte_atomic64_inc(&rx_ring->adapter->drv_stats->ierrors);
- ++rx_ring->rx_stats.bad_csum;
- }
- mbuf_head->hash.rss = ena_rx_ctx.hash;
-
- /* pass to DPDK application head mbuf */
- rx_pkts[recv_idx] = mbuf_head;
- recv_idx++;
- rx_ring->rx_stats.bytes += mbuf_head->pkt_len;
+ rx_pkts[completed] = mbuf;
+ rx_ring->rx_stats.bytes += mbuf->pkt_len;
}
- rx_ring->rx_stats.cnt += recv_idx;
+ rx_ring->rx_stats.cnt += completed;
rx_ring->next_to_clean = next_to_clean;
- desc_in_use = desc_in_use - completed + 1;
+ free_queue_entries = ena_com_free_q_entries(rx_ring->ena_com_io_sq);
+
/* Burst refill to save doorbells, memory barriers, const interval */
- if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size)) {
+ if (free_queue_entries >= rx_ring->rx_free_thresh) {
ena_com_update_dev_comp_head(rx_ring->ena_com_io_cq);
- ena_populate_rx_queue(rx_ring, ring_size - desc_in_use);
+ ena_populate_rx_queue(rx_ring, free_queue_entries);
}
- return recv_idx;
+ return completed;
}
static uint16_t
uint32_t i;
struct rte_mbuf *m;
struct ena_ring *tx_ring = (struct ena_ring *)(tx_queue);
+ struct ena_adapter *adapter = tx_ring->adapter;
struct rte_ipv4_hdr *ip_hdr;
uint64_t ol_flags;
+ uint64_t l4_csum_flag;
+ uint64_t dev_offload_capa;
uint16_t frag_field;
+ bool need_pseudo_csum;
+ dev_offload_capa = adapter->offloads.tx_offloads;
for (i = 0; i != nb_pkts; i++) {
m = tx_pkts[i];
ol_flags = m->ol_flags;
- if (!(ol_flags & PKT_TX_IPV4))
+ /* Check if any offload flag was set */
+ if (ol_flags == 0)
continue;
- /* If there was not L2 header length specified, assume it is
- * length of the ethernet header.
- */
- if (unlikely(m->l2_len == 0))
- m->l2_len = sizeof(struct rte_ether_hdr);
-
- ip_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
- m->l2_len);
- frag_field = rte_be_to_cpu_16(ip_hdr->fragment_offset);
-
- if ((frag_field & RTE_IPV4_HDR_DF_FLAG) != 0) {
- m->packet_type |= RTE_PTYPE_L4_NONFRAG;
-
- /* If IPv4 header has DF flag enabled and TSO support is
- * disabled, partial chcecksum should not be calculated.
- */
- if (!tx_ring->adapter->offloads.tso4_supported)
- continue;
+ l4_csum_flag = ol_flags & RTE_MBUF_F_TX_L4_MASK;
+ /* SCTP checksum offload is not supported by the ENA. */
+ if ((ol_flags & ENA_TX_OFFLOAD_NOTSUP_MASK) ||
+ l4_csum_flag == RTE_MBUF_F_TX_SCTP_CKSUM) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "] has unsupported offloads flags set: 0x%" PRIu64 "\n",
+ i, ol_flags);
+ rte_errno = ENOTSUP;
+ return i;
}
- if ((ol_flags & ENA_TX_OFFLOAD_NOTSUP_MASK) != 0 ||
- (ol_flags & PKT_TX_L4_MASK) ==
- PKT_TX_SCTP_CKSUM) {
- rte_errno = ENOTSUP;
+ if (unlikely(m->nb_segs >= tx_ring->sgl_size &&
+ !(tx_ring->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV &&
+ m->nb_segs == tx_ring->sgl_size &&
+ m->data_len < tx_ring->tx_max_header_size))) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "] has too many segments: %" PRIu16 "\n",
+ i, m->nb_segs);
+ rte_errno = EINVAL;
return i;
}
#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ /* Check if requested offload is also enabled for the queue */
+ if ((ol_flags & RTE_MBUF_F_TX_IP_CKSUM &&
+ !(tx_ring->offloads & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM)) ||
+ (l4_csum_flag == RTE_MBUF_F_TX_TCP_CKSUM &&
+ !(tx_ring->offloads & RTE_ETH_TX_OFFLOAD_TCP_CKSUM)) ||
+ (l4_csum_flag == RTE_MBUF_F_TX_UDP_CKSUM &&
+ !(tx_ring->offloads & RTE_ETH_TX_OFFLOAD_UDP_CKSUM))) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "]: requested offloads: %" PRIu16 " are not enabled for the queue[%u]\n",
+ i, m->nb_segs, tx_ring->id);
+ rte_errno = EINVAL;
+ return i;
+ }
+
+ /* The caller is obligated to set l2 and l3 len if any cksum
+ * offload is enabled.
+ */
+ if (unlikely(ol_flags & (RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_L4_MASK) &&
+ (m->l2_len == 0 || m->l3_len == 0))) {
+ PMD_TX_LOG(DEBUG,
+ "mbuf[%" PRIu32 "]: l2_len or l3_len values are 0 while the offload was requested\n",
+ i);
+ rte_errno = EINVAL;
+ return i;
+ }
ret = rte_validate_tx_offload(m);
if (ret != 0) {
rte_errno = -ret;
}
#endif
- /* In case we are supposed to TSO and have DF not set (DF=0)
- * hardware must be provided with partial checksum, otherwise
- * it will take care of necessary calculations.
+ /* Verify HW support for requested offloads and determine if
+ * pseudo header checksum is needed.
*/
+ need_pseudo_csum = false;
+ if (ol_flags & RTE_MBUF_F_TX_IPV4) {
+ if (ol_flags & RTE_MBUF_F_TX_IP_CKSUM &&
+ !(dev_offload_capa & ENA_L3_IPV4_CSUM)) {
+ rte_errno = ENOTSUP;
+ return i;
+ }
- ret = rte_net_intel_cksum_flags_prepare(m,
- ol_flags & ~PKT_TX_TCP_SEG);
- if (ret != 0) {
- rte_errno = -ret;
- return i;
+ if (ol_flags & RTE_MBUF_F_TX_TCP_SEG &&
+ !(dev_offload_capa & ENA_IPV4_TSO)) {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+
+ /* Check HW capabilities and if pseudo csum is needed
+ * for L4 offloads.
+ */
+ if (l4_csum_flag != RTE_MBUF_F_TX_L4_NO_CKSUM &&
+ !(dev_offload_capa & ENA_L4_IPV4_CSUM)) {
+ if (dev_offload_capa &
+ ENA_L4_IPV4_CSUM_PARTIAL) {
+ need_pseudo_csum = true;
+ } else {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+ }
+
+ /* Parse the DF flag */
+ ip_hdr = rte_pktmbuf_mtod_offset(m,
+ struct rte_ipv4_hdr *, m->l2_len);
+ frag_field = rte_be_to_cpu_16(ip_hdr->fragment_offset);
+ if (frag_field & RTE_IPV4_HDR_DF_FLAG) {
+ m->packet_type |= RTE_PTYPE_L4_NONFRAG;
+ } else if (ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
+ /* In case we are supposed to TSO and have DF
+ * not set (DF=0) hardware must be provided with
+ * partial checksum.
+ */
+ need_pseudo_csum = true;
+ }
+ } else if (ol_flags & RTE_MBUF_F_TX_IPV6) {
+ /* There is no support for IPv6 TSO as for now. */
+ if (ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+
+ /* Check HW capabilities and if pseudo csum is needed */
+ if (l4_csum_flag != RTE_MBUF_F_TX_L4_NO_CKSUM &&
+ !(dev_offload_capa & ENA_L4_IPV6_CSUM)) {
+ if (dev_offload_capa &
+ ENA_L4_IPV6_CSUM_PARTIAL) {
+ need_pseudo_csum = true;
+ } else {
+ rte_errno = ENOTSUP;
+ return i;
+ }
+ }
+ }
+
+ if (need_pseudo_csum) {
+ ret = rte_net_intel_cksum_flags_prepare(m, ol_flags);
+ if (ret != 0) {
+ rte_errno = -ret;
+ return i;
+ }
}
}
}
}
-static int ena_check_and_linearize_mbuf(struct ena_ring *tx_ring,
- struct rte_mbuf *mbuf)
+static void ena_tx_map_mbuf(struct ena_ring *tx_ring,
+ struct ena_tx_buffer *tx_info,
+ struct rte_mbuf *mbuf,
+ void **push_header,
+ uint16_t *header_len)
{
- struct ena_com_dev *ena_dev;
- int num_segments, header_len, rc;
+ struct ena_com_buf *ena_buf;
+ uint16_t delta, seg_len, push_len;
- ena_dev = &tx_ring->adapter->ena_dev;
- num_segments = mbuf->nb_segs;
- header_len = mbuf->data_len;
+ delta = 0;
+ seg_len = mbuf->data_len;
- if (likely(num_segments < tx_ring->sgl_size))
- return 0;
+ tx_info->mbuf = mbuf;
+ ena_buf = tx_info->bufs;
- 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;
+ if (tx_ring->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+ /*
+ * Tx header might be (and will be in most cases) smaller than
+ * tx_max_header_size. But it's not an issue to send more data
+ * to the device, than actually needed if the mbuf size is
+ * greater than tx_max_header_size.
+ */
+ push_len = RTE_MIN(mbuf->pkt_len, tx_ring->tx_max_header_size);
+ *header_len = push_len;
- ++tx_ring->tx_stats.linearize;
- rc = rte_pktmbuf_linearize(mbuf);
- if (unlikely(rc)) {
- PMD_DRV_LOG(WARNING, "Mbuf linearize failed\n");
- rte_atomic64_inc(&tx_ring->adapter->drv_stats->ierrors);
- ++tx_ring->tx_stats.linearize_failed;
- return rc;
+ if (likely(push_len <= seg_len)) {
+ /* If the push header is in the single segment, then
+ * just point it to the 1st mbuf data.
+ */
+ *push_header = rte_pktmbuf_mtod(mbuf, uint8_t *);
+ } else {
+ /* If the push header lays in the several segments, copy
+ * it to the intermediate buffer.
+ */
+ rte_pktmbuf_read(mbuf, 0, push_len,
+ tx_ring->push_buf_intermediate_buf);
+ *push_header = tx_ring->push_buf_intermediate_buf;
+ delta = push_len - seg_len;
+ }
+ } else {
+ *push_header = NULL;
+ *header_len = 0;
+ push_len = 0;
}
- return rc;
+ /* Process first segment taking into consideration pushed header */
+ if (seg_len > push_len) {
+ ena_buf->paddr = mbuf->buf_iova +
+ mbuf->data_off +
+ push_len;
+ ena_buf->len = seg_len - push_len;
+ ena_buf++;
+ tx_info->num_of_bufs++;
+ }
+
+ while ((mbuf = mbuf->next) != NULL) {
+ seg_len = mbuf->data_len;
+
+ /* Skip mbufs if whole data is pushed as a header */
+ if (unlikely(delta > seg_len)) {
+ delta -= seg_len;
+ continue;
+ }
+
+ ena_buf->paddr = mbuf->buf_iova + mbuf->data_off + delta;
+ ena_buf->len = seg_len - delta;
+ ena_buf++;
+ tx_info->num_of_bufs++;
+
+ delta = 0;
+ }
}
-static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
+static int ena_xmit_mbuf(struct ena_ring *tx_ring, struct rte_mbuf *mbuf)
{
- struct ena_ring *tx_ring = (struct ena_ring *)(tx_queue);
- uint16_t next_to_use = tx_ring->next_to_use;
- uint16_t next_to_clean = tx_ring->next_to_clean;
- struct rte_mbuf *mbuf;
- uint16_t seg_len;
- unsigned int ring_size = tx_ring->ring_size;
- unsigned int ring_mask = ring_size - 1;
- struct ena_com_tx_ctx ena_tx_ctx;
struct ena_tx_buffer *tx_info;
- struct ena_com_buf *ebuf;
- uint16_t rc, req_id, total_tx_descs = 0;
- uint16_t sent_idx = 0, empty_tx_reqs;
- uint16_t push_len = 0;
- uint16_t delta = 0;
+ struct ena_com_tx_ctx ena_tx_ctx = { { 0 } };
+ uint16_t next_to_use;
+ uint16_t header_len;
+ uint16_t req_id;
+ void *push_header;
int nb_hw_desc;
- uint32_t total_length;
+ int rc;
- /* Check adapter state */
- if (unlikely(tx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
- PMD_DRV_LOG(ALERT,
- "Trying to xmit pkts while device is NOT running\n");
- return 0;
+ /* Checking for space for 2 additional metadata descriptors due to
+ * possible header split and metadata descriptor
+ */
+ if (!ena_com_sq_have_enough_space(tx_ring->ena_com_io_sq,
+ mbuf->nb_segs + 2)) {
+ PMD_DRV_LOG(DEBUG, "Not enough space in the tx queue\n");
+ return ENA_COM_NO_MEM;
}
- empty_tx_reqs = ring_size - (next_to_use - next_to_clean);
- if (nb_pkts > empty_tx_reqs)
- nb_pkts = empty_tx_reqs;
+ next_to_use = tx_ring->next_to_use;
- 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];
+ tx_info = &tx_ring->tx_buffer_info[req_id];
+ tx_info->num_of_bufs = 0;
+ RTE_ASSERT(tx_info->mbuf == NULL);
- req_id = tx_ring->empty_tx_reqs[next_to_use & ring_mask];
- tx_info = &tx_ring->tx_buffer_info[req_id];
- tx_info->mbuf = mbuf;
- tx_info->num_of_bufs = 0;
- ebuf = tx_info->bufs;
+ ena_tx_map_mbuf(tx_ring, tx_info, mbuf, &push_header, &header_len);
- /* Prepare TX context */
- memset(&ena_tx_ctx, 0x0, sizeof(struct ena_com_tx_ctx));
- memset(&ena_tx_ctx.ena_meta, 0x0,
- sizeof(struct ena_com_tx_meta));
- ena_tx_ctx.ena_bufs = ebuf;
- ena_tx_ctx.req_id = req_id;
+ ena_tx_ctx.ena_bufs = tx_info->bufs;
+ ena_tx_ctx.push_header = push_header;
+ ena_tx_ctx.num_bufs = tx_info->num_of_bufs;
+ ena_tx_ctx.req_id = req_id;
+ ena_tx_ctx.header_len = header_len;
- delta = 0;
- seg_len = mbuf->data_len;
-
- if (tx_ring->tx_mem_queue_type ==
- ENA_ADMIN_PLACEMENT_POLICY_DEV) {
- push_len = RTE_MIN(mbuf->pkt_len,
- tx_ring->tx_max_header_size);
- ena_tx_ctx.header_len = push_len;
-
- 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, tx_ring->offloads,
+ tx_ring->disable_meta_caching);
- /* Set TX offloads flags, if applicable */
- ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads);
+ if (unlikely(ena_com_is_doorbell_needed(tx_ring->ena_com_io_sq,
+ &ena_tx_ctx))) {
+ PMD_TX_LOG(DEBUG,
+ "LLQ Tx max burst size of queue %d achieved, writing doorbell to send burst\n",
+ tx_ring->id);
+ ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+ tx_ring->tx_stats.doorbells++;
+ tx_ring->pkts_without_db = false;
+ }
- rte_prefetch0(tx_pkts[(sent_idx + 4) & ring_mask]);
+ /* prepare the packet's descriptors to dma engine */
+ rc = ena_com_prepare_tx(tx_ring->ena_com_io_sq, &ena_tx_ctx,
+ &nb_hw_desc);
+ if (unlikely(rc)) {
+ PMD_DRV_LOG(ERR, "Failed to prepare Tx buffers, rc: %d\n", rc);
+ ++tx_ring->tx_stats.prepare_ctx_err;
+ ena_trigger_reset(tx_ring->adapter,
+ ENA_REGS_RESET_DRIVER_INVALID_STATE);
+ return rc;
+ }
- /* Process first segment taking into
- * consideration pushed header
- */
- if (seg_len > push_len) {
- ebuf->paddr = mbuf->buf_iova +
- mbuf->data_off +
- push_len;
- ebuf->len = seg_len - push_len;
- ebuf++;
- tx_info->num_of_bufs++;
- }
- total_length += mbuf->data_len;
+ tx_info->tx_descs = nb_hw_desc;
+ tx_info->timestamp = rte_get_timer_cycles();
- while ((mbuf = mbuf->next) != NULL) {
- seg_len = mbuf->data_len;
+ tx_ring->tx_stats.cnt++;
+ tx_ring->tx_stats.bytes += mbuf->pkt_len;
- /* Skip mbufs if whole data is pushed as a header */
- if (unlikely(delta > seg_len)) {
- delta -= seg_len;
- continue;
- }
+ tx_ring->next_to_use = ENA_IDX_NEXT_MASKED(next_to_use,
+ tx_ring->size_mask);
- ebuf->paddr = mbuf->buf_iova + mbuf->data_off + delta;
- ebuf->len = seg_len - delta;
- total_length += ebuf->len;
- ebuf++;
- tx_info->num_of_bufs++;
+ return 0;
+}
- delta = 0;
- }
+static int ena_tx_cleanup(void *txp, uint32_t free_pkt_cnt)
+{
+ struct ena_ring *tx_ring = (struct ena_ring *)txp;
+ unsigned int total_tx_descs = 0;
+ unsigned int total_tx_pkts = 0;
+ uint16_t cleanup_budget;
+ uint16_t next_to_clean = tx_ring->next_to_clean;
- ena_tx_ctx.num_bufs = tx_info->num_of_bufs;
+ /*
+ * If free_pkt_cnt is equal to 0, it means that the user requested
+ * full cleanup, so attempt to release all Tx descriptors
+ * (ring_size - 1 -> size_mask)
+ */
+ cleanup_budget = (free_pkt_cnt == 0) ? tx_ring->size_mask : free_pkt_cnt;
- if (ena_com_is_doorbell_needed(tx_ring->ena_com_io_sq,
- &ena_tx_ctx)) {
- PMD_DRV_LOG(DEBUG, "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);
- }
+ while (likely(total_tx_pkts < cleanup_budget)) {
+ struct rte_mbuf *mbuf;
+ struct ena_tx_buffer *tx_info;
+ uint16_t req_id;
- /* prepare the packet's descriptors to dma engine */
- rc = ena_com_prepare_tx(tx_ring->ena_com_io_sq,
- &ena_tx_ctx, &nb_hw_desc);
- if (unlikely(rc)) {
- ++tx_ring->tx_stats.prepare_ctx_err;
+ if (ena_com_tx_comp_req_id_get(tx_ring->ena_com_io_cq, &req_id) != 0)
break;
- }
- tx_info->tx_descs = nb_hw_desc;
-
- next_to_use++;
- tx_ring->tx_stats.cnt++;
- tx_ring->tx_stats.bytes += total_length;
- }
- tx_ring->tx_stats.available_desc =
- ena_com_free_q_entries(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)
+ if (unlikely(validate_tx_req_id(tx_ring, req_id) != 0))
break;
/* Get Tx info & store how many descs were processed */
tx_info = &tx_ring->tx_buffer_info[req_id];
- total_tx_descs += tx_info->tx_descs;
+ tx_info->timestamp = 0;
- /* Free whole mbuf chain */
mbuf = tx_info->mbuf;
rte_pktmbuf_free(mbuf);
+
tx_info->mbuf = NULL;
+ tx_ring->empty_tx_reqs[next_to_clean] = req_id;
- /* Put back descriptor to the ring for reuse */
- tx_ring->empty_tx_reqs[next_to_clean & ring_mask] = req_id;
- next_to_clean++;
+ total_tx_descs += tx_info->tx_descs;
+ total_tx_pkts++;
- /* If too many descs to clean, leave it for another run */
- if (unlikely(total_tx_descs > ENA_RING_DESCS_RATIO(ring_size)))
- break;
+ /* Put back descriptor to the ring for reuse */
+ next_to_clean = ENA_IDX_NEXT_MASKED(next_to_clean,
+ tx_ring->size_mask);
}
- tx_ring->tx_stats.available_desc =
- ena_com_free_q_entries(tx_ring->ena_com_io_sq);
- if (total_tx_descs > 0) {
+ if (likely(total_tx_descs > 0)) {
/* acknowledge completion of sent packets */
tx_ring->next_to_clean = next_to_clean;
ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
ena_com_update_dev_comp_head(tx_ring->ena_com_io_cq);
}
+ /* Notify completion handler that full cleanup was performed */
+ if (free_pkt_cnt == 0 || total_tx_pkts < cleanup_budget)
+ tx_ring->last_cleanup_ticks = rte_get_timer_cycles();
+
+ return total_tx_pkts;
+}
+
+static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ struct ena_ring *tx_ring = (struct ena_ring *)(tx_queue);
+ int available_desc;
+ uint16_t sent_idx = 0;
+
+#ifdef RTE_ETHDEV_DEBUG_TX
+ /* Check adapter state */
+ if (unlikely(tx_ring->adapter->state != ENA_ADAPTER_STATE_RUNNING)) {
+ PMD_TX_LOG(ALERT,
+ "Trying to xmit pkts while device is NOT running\n");
+ return 0;
+ }
+#endif
+
+ available_desc = ena_com_free_q_entries(tx_ring->ena_com_io_sq);
+ if (available_desc < tx_ring->tx_free_thresh)
+ ena_tx_cleanup((void *)tx_ring, 0);
+
+ for (sent_idx = 0; sent_idx < nb_pkts; sent_idx++) {
+ if (ena_xmit_mbuf(tx_ring, tx_pkts[sent_idx]))
+ break;
+ tx_ring->pkts_without_db = true;
+ rte_prefetch0(tx_pkts[ENA_IDX_ADD_MASKED(sent_idx, 4,
+ tx_ring->size_mask)]);
+ }
+
+ /* If there are ready packets to be xmitted... */
+ if (likely(tx_ring->pkts_without_db)) {
+ /* ...let HW do its best :-) */
+ ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+ tx_ring->tx_stats.doorbells++;
+ tx_ring->pkts_without_db = false;
+ }
+
+ tx_ring->tx_stats.available_desc =
+ ena_com_free_q_entries(tx_ring->ena_com_io_sq);
tx_ring->tx_stats.tx_poll++;
return sent_idx;
}
+int ena_copy_eni_stats(struct ena_adapter *adapter, struct ena_stats_eni *stats)
+{
+ int rc;
+
+ rte_spinlock_lock(&adapter->admin_lock);
+ /* Retrieve and store the latest statistics from the AQ. This ensures
+ * that previous value is returned in case of a com error.
+ */
+ rc = ENA_PROXY(adapter, ena_com_get_eni_stats, &adapter->ena_dev,
+ (struct ena_admin_eni_stats *)stats);
+ rte_spinlock_unlock(&adapter->admin_lock);
+ if (rc != 0) {
+ if (rc == ENA_COM_UNSUPPORTED) {
+ PMD_DRV_LOG(DEBUG,
+ "Retrieving ENI metrics is not supported\n");
+ } else {
+ PMD_DRV_LOG(WARNING,
+ "Failed to get ENI metrics, rc: %d\n", rc);
+ }
+ return rc;
+ }
+
+ return 0;
+}
+
/**
* DPDK callback to retrieve names of extended device statistics
*
struct rte_eth_xstat_name *xstats_names,
unsigned int n)
{
- unsigned int xstats_count = ena_xstats_calc_num(dev);
+ unsigned int xstats_count = ena_xstats_calc_num(dev->data);
unsigned int stat, i, count = 0;
if (n < xstats_count || !xstats_names)
strcpy(xstats_names[count].name,
ena_stats_global_strings[stat].name);
+ for (stat = 0; stat < ENA_STATS_ARRAY_ENI; stat++, count++)
+ strcpy(xstats_names[count].name,
+ ena_stats_eni_strings[stat].name);
+
for (stat = 0; stat < ENA_STATS_ARRAY_RX; stat++)
for (i = 0; i < dev->data->nb_rx_queues; i++, count++)
snprintf(xstats_names[count].name,
return xstats_count;
}
+/**
+ * DPDK callback to retrieve names of extended device statistics for the given
+ * ids.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] xstats_names
+ * Buffer to insert names into.
+ * @param ids
+ * IDs array for which the names should be retrieved.
+ * @param size
+ * Number of ids.
+ *
+ * @return
+ * Positive value: number of xstats names. Negative value: error code.
+ */
+static int ena_xstats_get_names_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int size)
+{
+ uint64_t xstats_count = ena_xstats_calc_num(dev->data);
+ uint64_t id, qid;
+ unsigned int i;
+
+ if (xstats_names == NULL)
+ return xstats_count;
+
+ for (i = 0; i < size; ++i) {
+ id = ids[i];
+ if (id > xstats_count) {
+ PMD_DRV_LOG(ERR,
+ "ID value out of range: id=%" PRIu64 ", xstats_num=%" PRIu64 "\n",
+ id, xstats_count);
+ return -EINVAL;
+ }
+
+ if (id < ENA_STATS_ARRAY_GLOBAL) {
+ strcpy(xstats_names[i].name,
+ ena_stats_global_strings[id].name);
+ continue;
+ }
+
+ id -= ENA_STATS_ARRAY_GLOBAL;
+ if (id < ENA_STATS_ARRAY_ENI) {
+ strcpy(xstats_names[i].name,
+ ena_stats_eni_strings[id].name);
+ continue;
+ }
+
+ id -= ENA_STATS_ARRAY_ENI;
+ if (id < ENA_STATS_ARRAY_RX) {
+ qid = id / dev->data->nb_rx_queues;
+ id %= dev->data->nb_rx_queues;
+ snprintf(xstats_names[i].name,
+ sizeof(xstats_names[i].name),
+ "rx_q%" PRIu64 "d_%s",
+ qid, ena_stats_rx_strings[id].name);
+ continue;
+ }
+
+ id -= ENA_STATS_ARRAY_RX;
+ /* Although this condition is not needed, it was added for
+ * compatibility if new xstat structure would be ever added.
+ */
+ if (id < ENA_STATS_ARRAY_TX) {
+ qid = id / dev->data->nb_tx_queues;
+ id %= dev->data->nb_tx_queues;
+ snprintf(xstats_names[i].name,
+ sizeof(xstats_names[i].name),
+ "tx_q%" PRIu64 "_%s",
+ qid, ena_stats_tx_strings[id].name);
+ continue;
+ }
+ }
+
+ return i;
+}
+
/**
* DPDK callback to get extended device statistics.
*
unsigned int n)
{
struct ena_adapter *adapter = dev->data->dev_private;
- unsigned int xstats_count = ena_xstats_calc_num(dev);
+ unsigned int xstats_count = ena_xstats_calc_num(dev->data);
+ struct ena_stats_eni eni_stats;
unsigned int stat, i, count = 0;
int stat_offset;
void *stats_begin;
return 0;
for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++) {
- stat_offset = ena_stats_rx_strings[stat].stat_offset;
+ stat_offset = ena_stats_global_strings[stat].stat_offset;
stats_begin = &adapter->dev_stats;
xstats[count].id = count;
((char *)stats_begin + stat_offset));
}
+ /* Even if the function below fails, we should copy previous (or initial
+ * values) to keep structure of rte_eth_xstat consistent.
+ */
+ ena_copy_eni_stats(adapter, &eni_stats);
+ for (stat = 0; stat < ENA_STATS_ARRAY_ENI; stat++, count++) {
+ stat_offset = ena_stats_eni_strings[stat].stat_offset;
+ stats_begin = &eni_stats;
+
+ xstats[count].id = count;
+ xstats[count].value = *((uint64_t *)
+ ((char *)stats_begin + stat_offset));
+ }
+
for (stat = 0; stat < ENA_STATS_ARRAY_RX; stat++) {
for (i = 0; i < dev->data->nb_rx_queues; i++, count++) {
stat_offset = ena_stats_rx_strings[stat].stat_offset;
unsigned int n)
{
struct ena_adapter *adapter = dev->data->dev_private;
+ struct ena_stats_eni eni_stats;
uint64_t id;
uint64_t rx_entries, tx_entries;
unsigned int i;
int qid;
int valid = 0;
+ bool was_eni_copied = false;
+
for (i = 0; i < n; ++i) {
id = ids[i];
/* Check if id belongs to global statistics */
continue;
}
- /* Check if id belongs to rx queue statistics */
+ /* Check if id belongs to ENI statistics */
id -= ENA_STATS_ARRAY_GLOBAL;
+ if (id < ENA_STATS_ARRAY_ENI) {
+ /* Avoid reading ENI stats multiple times in a single
+ * function call, as it requires communication with the
+ * admin queue.
+ */
+ if (!was_eni_copied) {
+ was_eni_copied = true;
+ ena_copy_eni_stats(adapter, &eni_stats);
+ }
+ values[i] = *((uint64_t *)&eni_stats + id);
+ ++valid;
+ continue;
+ }
+
+ /* Check if id belongs to rx queue statistics */
+ id -= ENA_STATS_ARRAY_ENI;
rx_entries = ENA_STATS_ARRAY_RX * dev->data->nb_rx_queues;
if (id < rx_entries) {
qid = id % dev->data->nb_rx_queues;
return valid;
}
+static int ena_process_uint_devarg(const char *key,
+ const char *value,
+ void *opaque)
+{
+ struct ena_adapter *adapter = opaque;
+ char *str_end;
+ uint64_t uint_value;
+
+ uint_value = strtoull(value, &str_end, 10);
+ if (value == str_end) {
+ PMD_INIT_LOG(ERR,
+ "Invalid value for key '%s'. Only uint values are accepted.\n",
+ key);
+ return -EINVAL;
+ }
+
+ if (strcmp(key, ENA_DEVARG_MISS_TXC_TO) == 0) {
+ if (uint_value > ENA_MAX_TX_TIMEOUT_SECONDS) {
+ PMD_INIT_LOG(ERR,
+ "Tx timeout too high: %" PRIu64 " sec. Maximum allowed: %d sec.\n",
+ uint_value, ENA_MAX_TX_TIMEOUT_SECONDS);
+ return -EINVAL;
+ } else if (uint_value == 0) {
+ PMD_INIT_LOG(INFO,
+ "Check for missing Tx completions has been disabled.\n");
+ adapter->missing_tx_completion_to =
+ ENA_HW_HINTS_NO_TIMEOUT;
+ } else {
+ PMD_INIT_LOG(INFO,
+ "Tx packet completion timeout set to %" PRIu64 " seconds.\n",
+ uint_value);
+ adapter->missing_tx_completion_to =
+ uint_value * rte_get_timer_hz();
+ }
+ }
+
+ return 0;
+}
+
static int ena_process_bool_devarg(const char *key,
const char *value,
void *opaque)
}
/* Now, assign it to the proper adapter field. */
- if (strcmp(key, ENA_DEVARG_LARGE_LLQ_HDR))
+ if (strcmp(key, ENA_DEVARG_LARGE_LLQ_HDR) == 0)
adapter->use_large_llq_hdr = bool_value;
return 0;
{
static const char * const allowed_args[] = {
ENA_DEVARG_LARGE_LLQ_HDR,
+ ENA_DEVARG_MISS_TXC_TO,
+ NULL,
};
struct rte_kvargs *kvlist;
int rc;
rc = rte_kvargs_process(kvlist, ENA_DEVARG_LARGE_LLQ_HDR,
ena_process_bool_devarg, adapter);
+ if (rc != 0)
+ goto exit;
+ rc = rte_kvargs_process(kvlist, ENA_DEVARG_MISS_TXC_TO,
+ ena_process_uint_devarg, adapter);
+exit:
rte_kvargs_free(kvlist);
return rc;
}
+static int ena_setup_rx_intr(struct rte_eth_dev *dev)
+{
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
+ int rc;
+ uint16_t vectors_nb, i;
+ bool rx_intr_requested = dev->data->dev_conf.intr_conf.rxq;
+
+ if (!rx_intr_requested)
+ return 0;
+
+ if (!rte_intr_cap_multiple(intr_handle)) {
+ PMD_DRV_LOG(ERR,
+ "Rx interrupt requested, but it isn't supported by the PCI driver\n");
+ return -ENOTSUP;
+ }
+
+ /* Disable interrupt mapping before the configuration starts. */
+ rte_intr_disable(intr_handle);
+
+ /* Verify if there are enough vectors available. */
+ vectors_nb = dev->data->nb_rx_queues;
+ if (vectors_nb > RTE_MAX_RXTX_INTR_VEC_ID) {
+ PMD_DRV_LOG(ERR,
+ "Too many Rx interrupts requested, maximum number: %d\n",
+ RTE_MAX_RXTX_INTR_VEC_ID);
+ rc = -ENOTSUP;
+ goto enable_intr;
+ }
+
+ /* Allocate the vector list */
+ if (rte_intr_vec_list_alloc(intr_handle, "intr_vec",
+ dev->data->nb_rx_queues)) {
+ PMD_DRV_LOG(ERR,
+ "Failed to allocate interrupt vector for %d queues\n",
+ dev->data->nb_rx_queues);
+ rc = -ENOMEM;
+ goto enable_intr;
+ }
+
+ rc = rte_intr_efd_enable(intr_handle, vectors_nb);
+ if (rc != 0)
+ goto free_intr_vec;
+
+ if (!rte_intr_allow_others(intr_handle)) {
+ PMD_DRV_LOG(ERR,
+ "Not enough interrupts available to use both ENA Admin and Rx interrupts\n");
+ goto disable_intr_efd;
+ }
+
+ for (i = 0; i < vectors_nb; ++i)
+ if (rte_intr_vec_list_index_set(intr_handle, i,
+ RTE_INTR_VEC_RXTX_OFFSET + i))
+ goto disable_intr_efd;
+
+ rte_intr_enable(intr_handle);
+ return 0;
+
+disable_intr_efd:
+ rte_intr_efd_disable(intr_handle);
+free_intr_vec:
+ rte_intr_vec_list_free(intr_handle);
+enable_intr:
+ rte_intr_enable(intr_handle);
+ return rc;
+}
+
+static void ena_rx_queue_intr_set(struct rte_eth_dev *dev,
+ uint16_t queue_id,
+ bool unmask)
+{
+ struct ena_adapter *adapter = dev->data->dev_private;
+ struct ena_ring *rxq = &adapter->rx_ring[queue_id];
+ struct ena_eth_io_intr_reg intr_reg;
+
+ ena_com_update_intr_reg(&intr_reg, 0, 0, unmask);
+ ena_com_unmask_intr(rxq->ena_com_io_cq, &intr_reg);
+}
+
+static int ena_rx_queue_intr_enable(struct rte_eth_dev *dev,
+ uint16_t queue_id)
+{
+ ena_rx_queue_intr_set(dev, queue_id, true);
+
+ return 0;
+}
+
+static int ena_rx_queue_intr_disable(struct rte_eth_dev *dev,
+ uint16_t queue_id)
+{
+ ena_rx_queue_intr_set(dev, queue_id, false);
+
+ return 0;
+}
+
+static int ena_configure_aenq(struct ena_adapter *adapter)
+{
+ uint32_t aenq_groups = adapter->all_aenq_groups;
+ int rc;
+
+ /* All_aenq_groups holds all AENQ functions supported by the device and
+ * the HW, so at first we need to be sure the LSC request is valid.
+ */
+ if (adapter->edev_data->dev_conf.intr_conf.lsc != 0) {
+ if (!(aenq_groups & BIT(ENA_ADMIN_LINK_CHANGE))) {
+ PMD_DRV_LOG(ERR,
+ "LSC requested, but it's not supported by the AENQ\n");
+ return -EINVAL;
+ }
+ } else {
+ /* If LSC wasn't enabled by the app, let's enable all supported
+ * AENQ procedures except the LSC.
+ */
+ aenq_groups &= ~BIT(ENA_ADMIN_LINK_CHANGE);
+ }
+
+ rc = ena_com_set_aenq_config(&adapter->ena_dev, aenq_groups);
+ if (rc != 0) {
+ PMD_DRV_LOG(ERR, "Cannot configure AENQ groups, rc=%d\n", rc);
+ return rc;
+ }
+
+ adapter->active_aenq_groups = aenq_groups;
+
+ return 0;
+}
+
+int ena_mp_indirect_table_set(struct ena_adapter *adapter)
+{
+ return ENA_PROXY(adapter, ena_com_indirect_table_set, &adapter->ena_dev);
+}
+
+int ena_mp_indirect_table_get(struct ena_adapter *adapter,
+ uint32_t *indirect_table)
+{
+ return ENA_PROXY(adapter, ena_com_indirect_table_get, &adapter->ena_dev,
+ indirect_table);
+}
+
+/*********************************************************************
+ * ena_plat_dpdk.h functions implementations
+ *********************************************************************/
+
+const struct rte_memzone *
+ena_mem_alloc_coherent(struct rte_eth_dev_data *data, size_t size,
+ int socket_id, unsigned int alignment, void **virt_addr,
+ dma_addr_t *phys_addr)
+{
+ char z_name[RTE_MEMZONE_NAMESIZE];
+ struct ena_adapter *adapter = data->dev_private;
+ const struct rte_memzone *memzone;
+ int rc;
+
+ rc = snprintf(z_name, RTE_MEMZONE_NAMESIZE, "ena_p%d_mz%" PRIu64 "",
+ data->port_id, adapter->memzone_cnt);
+ if (rc >= RTE_MEMZONE_NAMESIZE) {
+ PMD_DRV_LOG(ERR,
+ "Name for the ena_com memzone is too long. Port: %d, mz_num: %" PRIu64 "\n",
+ data->port_id, adapter->memzone_cnt);
+ goto error;
+ }
+ adapter->memzone_cnt++;
+
+ memzone = rte_memzone_reserve_aligned(z_name, size, socket_id,
+ RTE_MEMZONE_IOVA_CONTIG, alignment);
+ if (memzone == NULL) {
+ PMD_DRV_LOG(ERR, "Failed to allocate ena_com memzone: %s\n",
+ z_name);
+ goto error;
+ }
+
+ memset(memzone->addr, 0, size);
+ *virt_addr = memzone->addr;
+ *phys_addr = memzone->iova;
+
+ return memzone;
+
+error:
+ *virt_addr = NULL;
+ *phys_addr = 0;
+
+ return NULL;
+}
+
+
/*********************************************************************
* PMD configuration
*********************************************************************/
RTE_PMD_REGISTER_PCI_TABLE(net_ena, pci_id_ena_map);
RTE_PMD_REGISTER_KMOD_DEP(net_ena, "* igb_uio | uio_pci_generic | vfio-pci");
RTE_PMD_REGISTER_PARAM_STRING(net_ena, ENA_DEVARG_LARGE_LLQ_HDR "=<0|1>");
-
-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);
-
-#ifdef RTE_LIBRTE_ENA_DEBUG_RX
- ena_logtype_rx = rte_log_register("pmd.net.ena.rx");
- if (ena_logtype_rx >= 0)
- rte_log_set_level(ena_logtype_rx, RTE_LOG_NOTICE);
-#endif
-
-#ifdef RTE_LIBRTE_ENA_DEBUG_TX
- ena_logtype_tx = rte_log_register("pmd.net.ena.tx");
- if (ena_logtype_tx >= 0)
- rte_log_set_level(ena_logtype_tx, RTE_LOG_NOTICE);
-#endif
-
-#ifdef RTE_LIBRTE_ENA_DEBUG_TX_FREE
- ena_logtype_tx_free = rte_log_register("pmd.net.ena.tx_free");
- if (ena_logtype_tx_free >= 0)
- rte_log_set_level(ena_logtype_tx_free, RTE_LOG_NOTICE);
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_init, init, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_driver, driver, NOTICE);
+#ifdef RTE_ETHDEV_DEBUG_RX
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_rx, rx, DEBUG);
#endif
-
-#ifdef RTE_LIBRTE_ENA_COM_DEBUG
- ena_logtype_com = rte_log_register("pmd.net.ena.com");
- if (ena_logtype_com >= 0)
- rte_log_set_level(ena_logtype_com, RTE_LOG_NOTICE);
+#ifdef RTE_ETHDEV_DEBUG_TX
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_tx, tx, DEBUG);
#endif
-}
+RTE_LOG_REGISTER_SUFFIX(ena_logtype_com, com, WARNING);
/******************************************************************************
******************************** AENQ Handlers *******************************
static void ena_update_on_link_change(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
- struct rte_eth_dev *eth_dev;
- struct ena_adapter *adapter;
+ struct rte_eth_dev *eth_dev = adapter_data;
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
struct ena_admin_aenq_link_change_desc *aenq_link_desc;
uint32_t status;
- adapter = adapter_data;
aenq_link_desc = (struct ena_admin_aenq_link_change_desc *)aenq_e;
- eth_dev = adapter->rte_dev;
status = get_ena_admin_aenq_link_change_desc_link_status(aenq_link_desc);
adapter->link_status = status;
ena_link_update(eth_dev, 0);
- _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+ rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
}
-static void ena_notification(void *data,
+static void ena_notification(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
- struct ena_adapter *adapter = data;
+ struct rte_eth_dev *eth_dev = adapter_data;
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
struct ena_admin_ena_hw_hints *hints;
if (aenq_e->aenq_common_desc.group != ENA_ADMIN_NOTIFICATION)
- PMD_DRV_LOG(WARNING, "Invalid group(%x) expected %x\n",
+ PMD_DRV_LOG(WARNING, "Invalid AENQ group: %x. Expected: %x\n",
aenq_e->aenq_common_desc.group,
ENA_ADMIN_NOTIFICATION);
- switch (aenq_e->aenq_common_desc.syndrom) {
+ switch (aenq_e->aenq_common_desc.syndrome) {
case ENA_ADMIN_UPDATE_HINTS:
hints = (struct ena_admin_ena_hw_hints *)
(&aenq_e->inline_data_w4);
ena_update_hints(adapter, hints);
break;
default:
- PMD_DRV_LOG(ERR, "Invalid aenq notification link state %d\n",
- aenq_e->aenq_common_desc.syndrom);
+ PMD_DRV_LOG(ERR, "Invalid AENQ notification link state: %d\n",
+ aenq_e->aenq_common_desc.syndrome);
}
}
static void ena_keep_alive(void *adapter_data,
__rte_unused struct ena_admin_aenq_entry *aenq_e)
{
- struct ena_adapter *adapter = adapter_data;
+ struct rte_eth_dev *eth_dev = adapter_data;
+ struct ena_adapter *adapter = eth_dev->data->dev_private;
struct ena_admin_aenq_keep_alive_desc *desc;
uint64_t rx_drops;
+ uint64_t tx_drops;
adapter->timestamp_wd = rte_get_timer_cycles();
desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e;
rx_drops = ((uint64_t)desc->rx_drops_high << 32) | desc->rx_drops_low;
- rte_atomic64_set(&adapter->drv_stats->rx_drops, rx_drops);
+ tx_drops = ((uint64_t)desc->tx_drops_high << 32) | desc->tx_drops_low;
+
+ adapter->drv_stats->rx_drops = rx_drops;
+ adapter->dev_stats.tx_drops = tx_drops;
}
/**
static void unimplemented_aenq_handler(__rte_unused void *data,
__rte_unused struct ena_admin_aenq_entry *aenq_e)
{
- PMD_DRV_LOG(ERR, "Unknown event was received or event with "
- "unimplemented handler\n");
+ PMD_DRV_LOG(ERR,
+ "Unknown event was received or event with unimplemented handler\n");
}
static struct ena_aenq_handlers aenq_handlers = {
},
.unimplemented_handler = unimplemented_aenq_handler
};
+
+/*********************************************************************
+ * Multi-Process communication request handling (in primary)
+ *********************************************************************/
+static int
+ena_mp_primary_handle(const struct rte_mp_msg *mp_msg, const void *peer)
+{
+ const struct ena_mp_body *req =
+ (const struct ena_mp_body *)mp_msg->param;
+ struct ena_adapter *adapter;
+ struct ena_com_dev *ena_dev;
+ struct ena_mp_body *rsp;
+ struct rte_mp_msg mp_rsp;
+ struct rte_eth_dev *dev;
+ int res = 0;
+
+ rsp = (struct ena_mp_body *)&mp_rsp.param;
+ mp_msg_init(&mp_rsp, req->type, req->port_id);
+
+ if (!rte_eth_dev_is_valid_port(req->port_id)) {
+ rte_errno = ENODEV;
+ res = -rte_errno;
+ PMD_DRV_LOG(ERR, "Unknown port %d in request %d\n",
+ req->port_id, req->type);
+ goto end;
+ }
+ dev = &rte_eth_devices[req->port_id];
+ adapter = dev->data->dev_private;
+ ena_dev = &adapter->ena_dev;
+
+ switch (req->type) {
+ case ENA_MP_DEV_STATS_GET:
+ res = ena_com_get_dev_basic_stats(ena_dev,
+ &adapter->basic_stats);
+ break;
+ case ENA_MP_ENI_STATS_GET:
+ res = ena_com_get_eni_stats(ena_dev,
+ (struct ena_admin_eni_stats *)&adapter->eni_stats);
+ break;
+ case ENA_MP_MTU_SET:
+ res = ena_com_set_dev_mtu(ena_dev, req->args.mtu);
+ break;
+ case ENA_MP_IND_TBL_GET:
+ res = ena_com_indirect_table_get(ena_dev,
+ adapter->indirect_table);
+ break;
+ case ENA_MP_IND_TBL_SET:
+ res = ena_com_indirect_table_set(ena_dev);
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Unknown request type %d\n", req->type);
+ res = -EINVAL;
+ break;
+ }
+
+end:
+ /* Save processing result in the reply */
+ rsp->result = res;
+ /* Return just IPC processing status */
+ return rte_mp_reply(&mp_rsp, peer);
+}