static inline bool
check_tx_vec_allow(struct iavf_tx_queue *txq)
{
- if (!(txq->offloads & IAVF_NO_VECTOR_FLAGS) &&
+ if (!(txq->offloads & IAVF_TX_NO_VECTOR_FLAGS) &&
txq->rs_thresh >= IAVF_VPMD_TX_MAX_BURST &&
txq->rs_thresh <= IAVF_VPMD_TX_MAX_FREE_BUF) {
PMD_INIT_LOG(DEBUG, "Vector tx can be enabled on this txq.");
#ifdef RTE_ARCH_X86
struct iavf_rx_queue *rxq;
int i;
+ int check_ret;
+ bool use_sse = false;
bool use_avx2 = false;
-#ifdef CC_AVX512_SUPPORT
bool use_avx512 = false;
-#endif
-
- if (!iavf_rx_vec_dev_check(dev) &&
- rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- rxq = dev->data->rx_queues[i];
- (void)iavf_rxq_vec_setup(rxq);
+ bool use_flex = false;
+
+ check_ret = iavf_rx_vec_dev_check(dev);
+ if (check_ret >= 0 &&
+ rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
+ if (check_ret == IAVF_VECTOR_PATH) {
+ use_sse = true;
+ if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
+ rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
+ rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
+ use_avx2 = true;
}
- if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
- rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
- rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
- use_avx2 = true;
#ifdef CC_AVX512_SUPPORT
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1 &&
rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512BW) == 1 &&
use_avx512 = true;
#endif
+ if (!use_sse && !use_avx2 && !use_avx512)
+ goto normal;
+
+ if (vf->vf_res->vf_cap_flags &
+ VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)
+ use_flex = true;
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ rxq = dev->data->rx_queues[i];
+ (void)iavf_rxq_vec_setup(rxq);
+ }
+
if (dev->data->scattered_rx) {
- PMD_DRV_LOG(DEBUG,
- "Using %sVector Scattered Rx (port %d).",
- use_avx2 ? "avx2 " : "",
- dev->data->port_id);
- if (vf->vf_res->vf_cap_flags &
- VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
+ if (!use_avx512) {
+ PMD_DRV_LOG(DEBUG,
+ "Using %sVector Scattered Rx (port %d).",
+ use_avx2 ? "avx2 " : "",
+ dev->data->port_id);
+ } else {
+ if (check_ret == IAVF_VECTOR_PATH)
+ PMD_DRV_LOG(DEBUG,
+ "Using AVX512 Vector Scattered Rx (port %d).",
+ dev->data->port_id);
+ else
+ PMD_DRV_LOG(DEBUG,
+ "Using AVX512 OFFLOAD Vector Scattered Rx (port %d).",
+ dev->data->port_id);
+ }
+ if (use_flex) {
dev->rx_pkt_burst = use_avx2 ?
iavf_recv_scattered_pkts_vec_avx2_flex_rxd :
iavf_recv_scattered_pkts_vec_flex_rxd;
#ifdef CC_AVX512_SUPPORT
- if (use_avx512)
- dev->rx_pkt_burst =
- iavf_recv_scattered_pkts_vec_avx512_flex_rxd;
+ if (use_avx512) {
+ if (check_ret == IAVF_VECTOR_PATH)
+ dev->rx_pkt_burst =
+ iavf_recv_scattered_pkts_vec_avx512_flex_rxd;
+ else
+ dev->rx_pkt_burst =
+ iavf_recv_scattered_pkts_vec_avx512_flex_rxd_offload;
+ }
#endif
} else {
dev->rx_pkt_burst = use_avx2 ?
iavf_recv_scattered_pkts_vec_avx2 :
iavf_recv_scattered_pkts_vec;
#ifdef CC_AVX512_SUPPORT
- if (use_avx512)
- dev->rx_pkt_burst =
- iavf_recv_scattered_pkts_vec_avx512;
+ if (use_avx512) {
+ if (check_ret == IAVF_VECTOR_PATH)
+ dev->rx_pkt_burst =
+ iavf_recv_scattered_pkts_vec_avx512;
+ else
+ dev->rx_pkt_burst =
+ iavf_recv_scattered_pkts_vec_avx512_offload;
+ }
#endif
}
} else {
- PMD_DRV_LOG(DEBUG, "Using %sVector Rx (port %d).",
- use_avx2 ? "avx2 " : "",
- dev->data->port_id);
- if (vf->vf_res->vf_cap_flags &
- VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
+ if (!use_avx512) {
+ PMD_DRV_LOG(DEBUG, "Using %sVector Rx (port %d).",
+ use_avx2 ? "avx2 " : "",
+ dev->data->port_id);
+ } else {
+ if (check_ret == IAVF_VECTOR_PATH)
+ PMD_DRV_LOG(DEBUG,
+ "Using AVX512 Vector Rx (port %d).",
+ dev->data->port_id);
+ else
+ PMD_DRV_LOG(DEBUG,
+ "Using AVX512 OFFLOAD Vector Rx (port %d).",
+ dev->data->port_id);
+ }
+ if (use_flex) {
dev->rx_pkt_burst = use_avx2 ?
iavf_recv_pkts_vec_avx2_flex_rxd :
iavf_recv_pkts_vec_flex_rxd;
#ifdef CC_AVX512_SUPPORT
- if (use_avx512)
- dev->rx_pkt_burst =
- iavf_recv_pkts_vec_avx512_flex_rxd;
+ if (use_avx512) {
+ if (check_ret == IAVF_VECTOR_PATH)
+ dev->rx_pkt_burst =
+ iavf_recv_pkts_vec_avx512_flex_rxd;
+ else
+ dev->rx_pkt_burst =
+ iavf_recv_pkts_vec_avx512_flex_rxd_offload;
+ }
#endif
} else {
dev->rx_pkt_burst = use_avx2 ?
iavf_recv_pkts_vec_avx2 :
iavf_recv_pkts_vec;
#ifdef CC_AVX512_SUPPORT
- if (use_avx512)
- dev->rx_pkt_burst =
- iavf_recv_pkts_vec_avx512;
+ if (use_avx512) {
+ if (check_ret == IAVF_VECTOR_PATH)
+ dev->rx_pkt_burst =
+ iavf_recv_pkts_vec_avx512;
+ else
+ dev->rx_pkt_burst =
+ iavf_recv_pkts_vec_avx512_offload;
+ }
#endif
}
}
return;
}
-#endif
+normal:
+#endif
if (dev->data->scattered_rx) {
PMD_DRV_LOG(DEBUG, "Using a Scattered Rx callback (port=%d).",
dev->data->port_id);
#ifdef RTE_ARCH_X86
struct iavf_tx_queue *txq;
int i;
+ int check_ret;
+ bool use_sse = false;
bool use_avx2 = false;
-#ifdef CC_AVX512_SUPPORT
bool use_avx512 = false;
-#endif
- if (!iavf_tx_vec_dev_check(dev) &&
- rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
- if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
- rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
- rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
- use_avx2 = true;
+ check_ret = iavf_tx_vec_dev_check(dev);
+
+ if (check_ret >= 0 &&
+ rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
+ /* SSE and AVX2 not support offload path yet. */
+ if (check_ret == IAVF_VECTOR_PATH) {
+ use_sse = true;
+ if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
+ rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
+ rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
+ use_avx2 = true;
+ }
#ifdef CC_AVX512_SUPPORT
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1 &&
rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512BW) == 1 &&
use_avx512 = true;
#endif
- PMD_DRV_LOG(DEBUG, "Using %sVector Tx (port %d).",
- use_avx2 ? "avx2 " : "",
- dev->data->port_id);
- dev->tx_pkt_burst = use_avx2 ?
- iavf_xmit_pkts_vec_avx2 :
- iavf_xmit_pkts_vec;
+ if (!use_sse && !use_avx2 && !use_avx512)
+ goto normal;
+
+ if (!use_avx512) {
+ PMD_DRV_LOG(DEBUG, "Using %sVector Tx (port %d).",
+ use_avx2 ? "avx2 " : "",
+ dev->data->port_id);
+ dev->tx_pkt_burst = use_avx2 ?
+ iavf_xmit_pkts_vec_avx2 :
+ iavf_xmit_pkts_vec;
+ }
#ifdef CC_AVX512_SUPPORT
- if (use_avx512)
- dev->tx_pkt_burst = iavf_xmit_pkts_vec_avx512;
+ if (use_avx512) {
+ if (check_ret == IAVF_VECTOR_PATH) {
+ dev->tx_pkt_burst = iavf_xmit_pkts_vec_avx512;
+ PMD_DRV_LOG(DEBUG, "Using AVX512 Vector Tx (port %d).",
+ dev->data->port_id);
+ } else {
+ dev->tx_pkt_burst = iavf_xmit_pkts_vec_avx512_offload;
+ PMD_DRV_LOG(DEBUG, "Using AVX512 OFFLOAD Vector Tx (port %d).",
+ dev->data->port_id);
+ }
+ }
#endif
dev->tx_pkt_prepare = NULL;
return;
}
-#endif
+normal:
+#endif
PMD_DRV_LOG(DEBUG, "Using Basic Tx callback (port=%d).",
dev->data->port_id);
dev->tx_pkt_burst = iavf_xmit_pkts;
git.droids-corp.org / dpdk.git / blobdiff