#include "mlx5_rx.h"
#include "mlx5_tx.h"
-#define MLX5_TXOFF_INFO(func, olx) {mlx5_tx_burst_##func, olx},
-
/* static asserts */
static_assert(MLX5_CQE_STATUS_HW_OWN < 0, "Must be negative value");
static_assert(MLX5_CQE_STATUS_SW_OWN < 0, "Must be negative value");
/*
* The index should have:
- * bit[0] = PKT_TX_TCP_SEG
- * bit[2:3] = PKT_TX_UDP_CKSUM, PKT_TX_TCP_CKSUM
- * bit[4] = PKT_TX_IP_CKSUM
- * bit[8] = PKT_TX_OUTER_IP_CKSUM
+ * bit[0] = RTE_MBUF_F_TX_TCP_SEG
+ * bit[2:3] = RTE_MBUF_F_TX_UDP_CKSUM, RTE_MBUF_F_TX_TCP_CKSUM
+ * bit[4] = RTE_MBUF_F_TX_IP_CKSUM
+ * bit[8] = RTE_MBUF_F_TX_OUTER_IP_CKSUM
* bit[9] = tunnel
*/
for (i = 0; i < RTE_DIM(mlx5_cksum_table); ++i) {
/*
* The index should have:
- * bit[0:1] = PKT_TX_L4_MASK
- * bit[4] = PKT_TX_IPV6
- * bit[8] = PKT_TX_OUTER_IPV6
- * bit[9] = PKT_TX_OUTER_UDP
+ * bit[0:1] = RTE_MBUF_F_TX_L4_MASK
+ * bit[4] = RTE_MBUF_F_TX_IPV6
+ * bit[8] = RTE_MBUF_F_TX_OUTER_IPV6
+ * bit[9] = RTE_MBUF_F_TX_OUTER_UDP
*/
for (i = 0; i < RTE_DIM(mlx5_swp_types_table); ++i) {
v = 0;
v |= MLX5_ETH_WQE_L4_OUTER_UDP;
if (i & (1 << 4))
v |= MLX5_ETH_WQE_L3_INNER_IPV6;
- if ((i & 3) == (PKT_TX_UDP_CKSUM >> 52))
+ if ((i & 3) == (RTE_MBUF_F_TX_UDP_CKSUM >> 52))
v |= MLX5_ETH_WQE_L4_INNER_UDP;
mlx5_swp_types_table[i] = v;
}
fclose(fd);
}
-/**
- * Move QP from error state to running state and initialize indexes.
- *
- * @param txq_ctrl
- * Pointer to TX queue control structure.
- *
- * @return
- * 0 on success, else -1.
- */
-static int
-tx_recover_qp(struct mlx5_txq_ctrl *txq_ctrl)
-{
- struct mlx5_mp_arg_queue_state_modify sm = {
- .is_wq = 0,
- .queue_id = txq_ctrl->txq.idx,
- };
-
- if (mlx5_queue_state_modify(ETH_DEV(txq_ctrl->priv), &sm))
- return -1;
- txq_ctrl->txq.wqe_ci = 0;
- txq_ctrl->txq.wqe_pi = 0;
- txq_ctrl->txq.elts_comp = 0;
- return 0;
-}
-
-/* Return 1 if the error CQE is signed otherwise, sign it and return 0. */
-static int
-check_err_cqe_seen(volatile struct mlx5_err_cqe *err_cqe)
-{
- static const uint8_t magic[] = "seen";
- int ret = 1;
- unsigned int i;
-
- for (i = 0; i < sizeof(magic); ++i)
- if (!ret || err_cqe->rsvd1[i] != magic[i]) {
- ret = 0;
- err_cqe->rsvd1[i] = magic[i];
- }
- return ret;
-}
-
-/**
- * Handle error CQE.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param error_cqe
- * Pointer to the error CQE.
- *
- * @return
- * Negative value if queue recovery failed, otherwise
- * the error completion entry is handled successfully.
- */
-static int
-mlx5_tx_error_cqe_handle(struct mlx5_txq_data *__rte_restrict txq,
- volatile struct mlx5_err_cqe *err_cqe)
-{
- if (err_cqe->syndrome != MLX5_CQE_SYNDROME_WR_FLUSH_ERR) {
- const uint16_t wqe_m = ((1 << txq->wqe_n) - 1);
- struct mlx5_txq_ctrl *txq_ctrl =
- container_of(txq, struct mlx5_txq_ctrl, txq);
- uint16_t new_wqe_pi = rte_be_to_cpu_16(err_cqe->wqe_counter);
- int seen = check_err_cqe_seen(err_cqe);
-
- if (!seen && txq_ctrl->dump_file_n <
- txq_ctrl->priv->config.max_dump_files_num) {
- MKSTR(err_str, "Unexpected CQE error syndrome "
- "0x%02x CQN = %u SQN = %u wqe_counter = %u "
- "wq_ci = %u cq_ci = %u", err_cqe->syndrome,
- txq->cqe_s, txq->qp_num_8s >> 8,
- rte_be_to_cpu_16(err_cqe->wqe_counter),
- txq->wqe_ci, txq->cq_ci);
- MKSTR(name, "dpdk_mlx5_port_%u_txq_%u_index_%u_%u",
- PORT_ID(txq_ctrl->priv), txq->idx,
- txq_ctrl->dump_file_n, (uint32_t)rte_rdtsc());
- mlx5_dump_debug_information(name, NULL, err_str, 0);
- mlx5_dump_debug_information(name, "MLX5 Error CQ:",
- (const void *)((uintptr_t)
- txq->cqes),
- sizeof(*err_cqe) *
- (1 << txq->cqe_n));
- mlx5_dump_debug_information(name, "MLX5 Error SQ:",
- (const void *)((uintptr_t)
- txq->wqes),
- MLX5_WQE_SIZE *
- (1 << txq->wqe_n));
- txq_ctrl->dump_file_n++;
- }
- if (!seen)
- /*
- * Count errors in WQEs units.
- * Later it can be improved to count error packets,
- * for example, by SQ parsing to find how much packets
- * should be counted for each WQE.
- */
- txq->stats.oerrors += ((txq->wqe_ci & wqe_m) -
- new_wqe_pi) & wqe_m;
- if (tx_recover_qp(txq_ctrl)) {
- /* Recovering failed - retry later on the same WQE. */
- return -1;
- }
- /* Release all the remaining buffers. */
- txq_free_elts(txq_ctrl);
- }
- return 0;
-}
-
/**
* Modify a Verbs/DevX queue state.
* This must be called from the primary process.
}
return ret;
}
-
-/**
- * Dummy DPDK callback for TX.
- *
- * This function is used to temporarily replace the real callback during
- * unsafe control operations on the queue, or in case of error.
- *
- * @param dpdk_txq
- * Generic pointer to TX queue structure.
- * @param[in] pkts
- * Packets to transmit.
- * @param pkts_n
- * Number of packets in array.
- *
- * @return
- * Number of packets successfully transmitted (<= pkts_n).
- */
-uint16_t
-removed_tx_burst(void *dpdk_txq __rte_unused,
- struct rte_mbuf **pkts __rte_unused,
- uint16_t pkts_n __rte_unused)
-{
- rte_mb();
- return 0;
-}
-
-/**
- * Update completion queue consuming index via doorbell
- * and flush the completed data buffers.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param valid CQE pointer
- * if not NULL update txq->wqe_pi and flush the buffers
- * @param olx
- * Configured Tx offloads mask. It is fully defined at
- * compile time and may be used for optimization.
- */
-static __rte_always_inline void
-mlx5_tx_comp_flush(struct mlx5_txq_data *__rte_restrict txq,
- volatile struct mlx5_cqe *last_cqe,
- unsigned int olx __rte_unused)
-{
- if (likely(last_cqe != NULL)) {
- uint16_t tail;
-
- txq->wqe_pi = rte_be_to_cpu_16(last_cqe->wqe_counter);
- tail = txq->fcqs[(txq->cq_ci - 1) & txq->cqe_m];
- if (likely(tail != txq->elts_tail)) {
- mlx5_tx_free_elts(txq, tail, olx);
- MLX5_ASSERT(tail == txq->elts_tail);
- }
- }
-}
-
-/**
- * Manage TX completions. This routine checks the CQ for
- * arrived CQEs, deduces the last accomplished WQE in SQ,
- * updates SQ producing index and frees all completed mbufs.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param olx
- * Configured Tx offloads mask. It is fully defined at
- * compile time and may be used for optimization.
- *
- * NOTE: not inlined intentionally, it makes tx_burst
- * routine smaller, simple and faster - from experiments.
- */
-void
-mlx5_tx_handle_completion(struct mlx5_txq_data *__rte_restrict txq,
- unsigned int olx __rte_unused)
-{
- unsigned int count = MLX5_TX_COMP_MAX_CQE;
- volatile struct mlx5_cqe *last_cqe = NULL;
- bool ring_doorbell = false;
- int ret;
-
- do {
- volatile struct mlx5_cqe *cqe;
-
- cqe = &txq->cqes[txq->cq_ci & txq->cqe_m];
- ret = check_cqe(cqe, txq->cqe_s, txq->cq_ci);
- if (unlikely(ret != MLX5_CQE_STATUS_SW_OWN)) {
- if (likely(ret != MLX5_CQE_STATUS_ERR)) {
- /* No new CQEs in completion queue. */
- MLX5_ASSERT(ret == MLX5_CQE_STATUS_HW_OWN);
- break;
- }
- /*
- * Some error occurred, try to restart.
- * We have no barrier after WQE related Doorbell
- * written, make sure all writes are completed
- * here, before we might perform SQ reset.
- */
- rte_wmb();
- ret = mlx5_tx_error_cqe_handle
- (txq, (volatile struct mlx5_err_cqe *)cqe);
- if (unlikely(ret < 0)) {
- /*
- * Some error occurred on queue error
- * handling, we do not advance the index
- * here, allowing to retry on next call.
- */
- return;
- }
- /*
- * We are going to fetch all entries with
- * MLX5_CQE_SYNDROME_WR_FLUSH_ERR status.
- * The send queue is supposed to be empty.
- */
- ring_doorbell = true;
- ++txq->cq_ci;
- txq->cq_pi = txq->cq_ci;
- last_cqe = NULL;
- continue;
- }
- /* Normal transmit completion. */
- MLX5_ASSERT(txq->cq_ci != txq->cq_pi);
-#ifdef RTE_LIBRTE_MLX5_DEBUG
- MLX5_ASSERT((txq->fcqs[txq->cq_ci & txq->cqe_m] >> 16) ==
- cqe->wqe_counter);
-#endif
- ring_doorbell = true;
- ++txq->cq_ci;
- last_cqe = cqe;
- /*
- * We have to restrict the amount of processed CQEs
- * in one tx_burst routine call. The CQ may be large
- * and many CQEs may be updated by the NIC in one
- * transaction. Buffers freeing is time consuming,
- * multiple iterations may introduce significant
- * latency.
- */
- if (likely(--count == 0))
- break;
- } while (true);
- if (likely(ring_doorbell)) {
- /* Ring doorbell to notify hardware. */
- rte_compiler_barrier();
- *txq->cq_db = rte_cpu_to_be_32(txq->cq_ci);
- mlx5_tx_comp_flush(txq, last_cqe, olx);
- }
-}
-
-/**
- * DPDK callback to check the status of a tx descriptor.
- *
- * @param tx_queue
- * The tx queue.
- * @param[in] offset
- * The index of the descriptor in the ring.
- *
- * @return
- * The status of the tx descriptor.
- */
-int
-mlx5_tx_descriptor_status(void *tx_queue, uint16_t offset)
-{
- struct mlx5_txq_data *__rte_restrict txq = tx_queue;
- uint16_t used;
-
- mlx5_tx_handle_completion(txq, 0);
- used = txq->elts_head - txq->elts_tail;
- if (offset < used)
- return RTE_ETH_TX_DESC_FULL;
- return RTE_ETH_TX_DESC_DONE;
-}
-
-/* Generate routines with Enhanced Multi-Packet Write support. */
-MLX5_TXOFF_DECL(full_empw,
- MLX5_TXOFF_CONFIG_FULL | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(none_empw,
- MLX5_TXOFF_CONFIG_NONE | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(md_empw,
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mt_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mtsc_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mti_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mtv_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mtiv_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(sc_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(sci_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(scv_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(sciv_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(i_empw,
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(v_empw,
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(iv_empw,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-/* Generate routines without Enhanced Multi-Packet Write support. */
-MLX5_TXOFF_DECL(full,
- MLX5_TXOFF_CONFIG_FULL)
-
-MLX5_TXOFF_DECL(none,
- MLX5_TXOFF_CONFIG_NONE)
-
-MLX5_TXOFF_DECL(md,
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(mt,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(mtsc,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(mti,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA)
-
-
-MLX5_TXOFF_DECL(mtv,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-
-MLX5_TXOFF_DECL(mtiv,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(sc,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(sci,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA)
-
-
-MLX5_TXOFF_DECL(scv,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-
-MLX5_TXOFF_DECL(sciv,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(i,
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(v,
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_DECL(iv,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-/* Generate routines with timestamp scheduling. */
-MLX5_TXOFF_DECL(full_ts_nompw,
- MLX5_TXOFF_CONFIG_FULL | MLX5_TXOFF_CONFIG_TXPP)
-
-MLX5_TXOFF_DECL(full_ts_nompwi,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP)
-
-MLX5_TXOFF_DECL(full_ts,
- MLX5_TXOFF_CONFIG_FULL | MLX5_TXOFF_CONFIG_TXPP |
- MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(full_ts_noi,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(none_ts,
- MLX5_TXOFF_CONFIG_NONE | MLX5_TXOFF_CONFIG_TXPP |
- MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mdi_ts,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mti_ts,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_DECL(mtiv_ts,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_TXPP |
- MLX5_TXOFF_CONFIG_EMPW)
-
-/*
- * Generate routines with Legacy Multi-Packet Write support.
- * This mode is supported by ConnectX-4 Lx only and imposes
- * offload limitations, not supported:
- * - ACL/Flows (metadata are becoming meaningless)
- * - WQE Inline headers
- * - SRIOV (E-Switch offloads)
- * - VLAN insertion
- * - tunnel encapsulation/decapsulation
- * - TSO
- */
-MLX5_TXOFF_DECL(none_mpw,
- MLX5_TXOFF_CONFIG_NONE | MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW)
-
-MLX5_TXOFF_DECL(mci_mpw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW)
-
-MLX5_TXOFF_DECL(mc_mpw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_EMPW | MLX5_TXOFF_CONFIG_MPW)
-
-MLX5_TXOFF_DECL(i_mpw,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW)
-
-/*
- * Array of declared and compiled Tx burst function and corresponding
- * supported offloads set. The array is used to select the Tx burst
- * function for specified offloads set at Tx queue configuration time.
- */
-const struct {
- eth_tx_burst_t func;
- unsigned int olx;
-} txoff_func[] = {
-MLX5_TXOFF_INFO(full_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(none_empw,
- MLX5_TXOFF_CONFIG_NONE | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(md_empw,
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mt_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mtsc_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mti_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mtv_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mtiv_empw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(sc_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(sci_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(scv_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(sciv_empw,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(i_empw,
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(v_empw,
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(iv_empw,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(full_ts_nompw,
- MLX5_TXOFF_CONFIG_FULL | MLX5_TXOFF_CONFIG_TXPP)
-
-MLX5_TXOFF_INFO(full_ts_nompwi,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP)
-
-MLX5_TXOFF_INFO(full_ts,
- MLX5_TXOFF_CONFIG_FULL | MLX5_TXOFF_CONFIG_TXPP |
- MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(full_ts_noi,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(none_ts,
- MLX5_TXOFF_CONFIG_NONE | MLX5_TXOFF_CONFIG_TXPP |
- MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mdi_ts,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mti_ts,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_METADATA |
- MLX5_TXOFF_CONFIG_TXPP | MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(mtiv_ts,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA | MLX5_TXOFF_CONFIG_TXPP |
- MLX5_TXOFF_CONFIG_EMPW)
-
-MLX5_TXOFF_INFO(full,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(none,
- MLX5_TXOFF_CONFIG_NONE)
-
-MLX5_TXOFF_INFO(md,
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(mt,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(mtsc,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(mti,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(mtv,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(mtiv,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(sc,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(sci,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(scv,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(sciv,
- MLX5_TXOFF_CONFIG_SWP | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(i,
- MLX5_TXOFF_CONFIG_INLINE |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(v,
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(iv,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)
-
-MLX5_TXOFF_INFO(none_mpw,
- MLX5_TXOFF_CONFIG_NONE | MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW)
-
-MLX5_TXOFF_INFO(mci_mpw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW)
-
-MLX5_TXOFF_INFO(mc_mpw,
- MLX5_TXOFF_CONFIG_MULTI | MLX5_TXOFF_CONFIG_CSUM |
- MLX5_TXOFF_CONFIG_EMPW | MLX5_TXOFF_CONFIG_MPW)
-
-MLX5_TXOFF_INFO(i_mpw,
- MLX5_TXOFF_CONFIG_INLINE | MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW)
-};
-
-/**
- * Configure the Tx function to use. The routine checks configured
- * Tx offloads for the device and selects appropriate Tx burst
- * routine. There are multiple Tx burst routines compiled from
- * the same template in the most optimal way for the dedicated
- * Tx offloads set.
- *
- * @param dev
- * Pointer to private data structure.
- *
- * @return
- * Pointer to selected Tx burst function.
- */
-eth_tx_burst_t
-mlx5_select_tx_function(struct rte_eth_dev *dev)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_dev_config *config = &priv->config;
- uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads;
- unsigned int diff = 0, olx = 0, i, m;
-
- MLX5_ASSERT(priv);
- if (tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS) {
- /* We should support Multi-Segment Packets. */
- olx |= MLX5_TXOFF_CONFIG_MULTI;
- }
- if (tx_offloads & (DEV_TX_OFFLOAD_TCP_TSO |
- DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
- DEV_TX_OFFLOAD_GRE_TNL_TSO |
- DEV_TX_OFFLOAD_IP_TNL_TSO |
- DEV_TX_OFFLOAD_UDP_TNL_TSO)) {
- /* We should support TCP Send Offload. */
- olx |= MLX5_TXOFF_CONFIG_TSO;
- }
- if (tx_offloads & (DEV_TX_OFFLOAD_IP_TNL_TSO |
- DEV_TX_OFFLOAD_UDP_TNL_TSO |
- DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)) {
- /* We should support Software Parser for Tunnels. */
- olx |= MLX5_TXOFF_CONFIG_SWP;
- }
- if (tx_offloads & (DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM |
- DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)) {
- /* We should support IP/TCP/UDP Checksums. */
- olx |= MLX5_TXOFF_CONFIG_CSUM;
- }
- if (tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT) {
- /* We should support VLAN insertion. */
- olx |= MLX5_TXOFF_CONFIG_VLAN;
- }
- if (tx_offloads & DEV_TX_OFFLOAD_SEND_ON_TIMESTAMP &&
- rte_mbuf_dynflag_lookup
- (RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, NULL) >= 0 &&
- rte_mbuf_dynfield_lookup
- (RTE_MBUF_DYNFIELD_TIMESTAMP_NAME, NULL) >= 0) {
- /* Offload configured, dynamic entities registered. */
- olx |= MLX5_TXOFF_CONFIG_TXPP;
- }
- if (priv->txqs_n && (*priv->txqs)[0]) {
- struct mlx5_txq_data *txd = (*priv->txqs)[0];
-
- if (txd->inlen_send) {
- /*
- * Check the data inline requirements. Data inline
- * is enabled on per device basis, we can check
- * the first Tx queue only.
- *
- * If device does not support VLAN insertion in WQE
- * and some queues are requested to perform VLAN
- * insertion offload than inline must be enabled.
- */
- olx |= MLX5_TXOFF_CONFIG_INLINE;
- }
- }
- if (config->mps == MLX5_MPW_ENHANCED &&
- config->txq_inline_min <= 0) {
- /*
- * The NIC supports Enhanced Multi-Packet Write
- * and does not require minimal inline data.
- */
- olx |= MLX5_TXOFF_CONFIG_EMPW;
- }
- if (rte_flow_dynf_metadata_avail()) {
- /* We should support Flow metadata. */
- olx |= MLX5_TXOFF_CONFIG_METADATA;
- }
- if (config->mps == MLX5_MPW) {
- /*
- * The NIC supports Legacy Multi-Packet Write.
- * The MLX5_TXOFF_CONFIG_MPW controls the
- * descriptor building method in combination
- * with MLX5_TXOFF_CONFIG_EMPW.
- */
- if (!(olx & (MLX5_TXOFF_CONFIG_TSO |
- MLX5_TXOFF_CONFIG_SWP |
- MLX5_TXOFF_CONFIG_VLAN |
- MLX5_TXOFF_CONFIG_METADATA)))
- olx |= MLX5_TXOFF_CONFIG_EMPW |
- MLX5_TXOFF_CONFIG_MPW;
- }
- /*
- * Scan the routines table to find the minimal
- * satisfying routine with requested offloads.
- */
- m = RTE_DIM(txoff_func);
- for (i = 0; i < RTE_DIM(txoff_func); i++) {
- unsigned int tmp;
-
- tmp = txoff_func[i].olx;
- if (tmp == olx) {
- /* Meets requested offloads exactly.*/
- m = i;
- break;
- }
- if ((tmp & olx) != olx) {
- /* Does not meet requested offloads at all. */
- continue;
- }
- if ((olx ^ tmp) & MLX5_TXOFF_CONFIG_MPW)
- /* Do not enable legacy MPW if not configured. */
- continue;
- if ((olx ^ tmp) & MLX5_TXOFF_CONFIG_EMPW)
- /* Do not enable eMPW if not configured. */
- continue;
- if ((olx ^ tmp) & MLX5_TXOFF_CONFIG_INLINE)
- /* Do not enable inlining if not configured. */
- continue;
- if ((olx ^ tmp) & MLX5_TXOFF_CONFIG_TXPP)
- /* Do not enable scheduling if not configured. */
- continue;
- /*
- * Some routine meets the requirements.
- * Check whether it has minimal amount
- * of not requested offloads.
- */
- tmp = __builtin_popcountl(tmp & ~olx);
- if (m >= RTE_DIM(txoff_func) || tmp < diff) {
- /* First or better match, save and continue. */
- m = i;
- diff = tmp;
- continue;
- }
- if (tmp == diff) {
- tmp = txoff_func[i].olx ^ txoff_func[m].olx;
- if (__builtin_ffsl(txoff_func[i].olx & ~tmp) <
- __builtin_ffsl(txoff_func[m].olx & ~tmp)) {
- /* Lighter not requested offload. */
- m = i;
- }
- }
- }
- if (m >= RTE_DIM(txoff_func)) {
- DRV_LOG(DEBUG, "port %u has no selected Tx function"
- " for requested offloads %04X",
- dev->data->port_id, olx);
- return NULL;
- }
- DRV_LOG(DEBUG, "port %u has selected Tx function"
- " supporting offloads %04X/%04X",
- dev->data->port_id, olx, txoff_func[m].olx);
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_MULTI)
- DRV_LOG(DEBUG, "\tMULTI (multi segment)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_TSO)
- DRV_LOG(DEBUG, "\tTSO (TCP send offload)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_SWP)
- DRV_LOG(DEBUG, "\tSWP (software parser)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_CSUM)
- DRV_LOG(DEBUG, "\tCSUM (checksum offload)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_INLINE)
- DRV_LOG(DEBUG, "\tINLIN (inline data)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_VLAN)
- DRV_LOG(DEBUG, "\tVLANI (VLAN insertion)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_METADATA)
- DRV_LOG(DEBUG, "\tMETAD (tx Flow metadata)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_TXPP)
- DRV_LOG(DEBUG, "\tMETAD (tx Scheduling)");
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_EMPW) {
- if (txoff_func[m].olx & MLX5_TXOFF_CONFIG_MPW)
- DRV_LOG(DEBUG, "\tMPW (Legacy MPW)");
- else
- DRV_LOG(DEBUG, "\tEMPW (Enhanced MPW)");
- }
- return txoff_func[m].func;
-}
-
-/**
- * DPDK callback to get the TX queue information
- *
- * @param dev
- * Pointer to the device structure.
- *
- * @param tx_queue_id
- * Tx queue identificator.
- *
- * @param qinfo
- * Pointer to the TX queue information structure.
- *
- * @return
- * None.
- */
-
-void
-mlx5_txq_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
- struct rte_eth_txq_info *qinfo)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_txq_data *txq = (*priv->txqs)[tx_queue_id];
- struct mlx5_txq_ctrl *txq_ctrl =
- container_of(txq, struct mlx5_txq_ctrl, txq);
-
- if (!txq)
- return;
- qinfo->nb_desc = txq->elts_s;
- qinfo->conf.tx_thresh.pthresh = 0;
- qinfo->conf.tx_thresh.hthresh = 0;
- qinfo->conf.tx_thresh.wthresh = 0;
- qinfo->conf.tx_rs_thresh = 0;
- qinfo->conf.tx_free_thresh = 0;
- qinfo->conf.tx_deferred_start = txq_ctrl ? 0 : 1;
- qinfo->conf.offloads = dev->data->dev_conf.txmode.offloads;
-}
-
-/**
- * DPDK callback to get the TX packet burst mode information
- *
- * @param dev
- * Pointer to the device structure.
- *
- * @param tx_queue_id
- * Tx queue identificatior.
- *
- * @param mode
- * Pointer to the burts mode information.
- *
- * @return
- * 0 as success, -EINVAL as failure.
- */
-
-int
-mlx5_tx_burst_mode_get(struct rte_eth_dev *dev,
- uint16_t tx_queue_id,
- struct rte_eth_burst_mode *mode)
-{
- eth_tx_burst_t pkt_burst = dev->tx_pkt_burst;
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_txq_data *txq = (*priv->txqs)[tx_queue_id];
- unsigned int i, olx;
-
- for (i = 0; i < RTE_DIM(txoff_func); i++) {
- if (pkt_burst == txoff_func[i].func) {
- olx = txoff_func[i].olx;
- snprintf(mode->info, sizeof(mode->info),
- "%s%s%s%s%s%s%s%s%s%s",
- (olx & MLX5_TXOFF_CONFIG_EMPW) ?
- ((olx & MLX5_TXOFF_CONFIG_MPW) ?
- "Legacy MPW" : "Enhanced MPW") : "No MPW",
- (olx & MLX5_TXOFF_CONFIG_MULTI) ?
- " + MULTI" : "",
- (olx & MLX5_TXOFF_CONFIG_TSO) ?
- " + TSO" : "",
- (olx & MLX5_TXOFF_CONFIG_SWP) ?
- " + SWP" : "",
- (olx & MLX5_TXOFF_CONFIG_CSUM) ?
- " + CSUM" : "",
- (olx & MLX5_TXOFF_CONFIG_INLINE) ?
- " + INLINE" : "",
- (olx & MLX5_TXOFF_CONFIG_VLAN) ?
- " + VLAN" : "",
- (olx & MLX5_TXOFF_CONFIG_METADATA) ?
- " + METADATA" : "",
- (olx & MLX5_TXOFF_CONFIG_TXPP) ?
- " + TXPP" : "",
- (txq && txq->fast_free) ?
- " + Fast Free" : "");
- return 0;
- }
- }
- return -EINVAL;
-}
git.droids-corp.org / dpdk.git / blobdiff