-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * Copyright(c) 2016, Linaro Limited
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2015 Intel Corporation.
+ * Copyright(c) 2016-2018, Linaro Limited.
*/
#include <stdint.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_malloc.h>
#include "base/i40e_prototype.h"
}
#define PKTLEN_SHIFT 10
-
-#define I40E_VPMD_DESC_DD_MASK 0x0001000100010001ULL
+#define I40E_UINT16_BIT (CHAR_BIT * sizeof(uint16_t))
static inline void
desc_to_ptype_v(uint64x2_t descs[4], struct rte_mbuf **rx_pkts,
struct i40e_rx_entry *sw_ring;
uint16_t nb_pkts_recd;
int pos;
- uint64_t var;
uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
/* mask to shuffle from desc. to mbuf */
/* Read desc statuses backwards to avoid race condition */
/* A.1 load 4 pkts desc */
descs[3] = vld1q_u64((uint64_t *)(rxdp + 3));
- rte_rmb();
/* B.2 copy 2 mbuf point into rx_pkts */
vst1q_u64((uint64_t *)&rx_pkts[pos], mbp1);
rte_mbuf_prefetch_part2(rx_pkts[pos + 3]);
}
- /* avoid compiler reorder optimization */
- rte_compiler_barrier();
-
/* pkt 3,4 shift the pktlen field to be 16-bit aligned*/
uint32x4_t len3 = vshlq_u32(vreinterpretq_u32_u64(descs[3]),
len_shl);
/* C.2 get 4 pkts staterr value */
staterr = vzipq_u16(sterr_tmp1.val[1],
sterr_tmp2.val[1]).val[0];
- stat = vgetq_lane_u64(vreinterpretq_u64_u16(staterr), 0);
desc_to_olflags_v(rxq, descs, &rx_pkts[pos]);
rx_pkts[pos + 3]->next = NULL;
}
+ staterr = vshlq_n_u16(staterr, I40E_UINT16_BIT - 1);
+ staterr = vreinterpretq_u16_s16(
+ vshrq_n_s16(vreinterpretq_s16_u16(staterr),
+ I40E_UINT16_BIT - 1));
+ stat = ~vgetq_lane_u64(vreinterpretq_u64_u16(staterr), 0);
+
rte_prefetch_non_temporal(rxdp + RTE_I40E_DESCS_PER_LOOP);
/* D.3 copy final 1,2 data to rx_pkts */
pkt_mb1);
desc_to_ptype_v(descs, &rx_pkts[pos], ptype_tbl);
/* C.4 calc avaialbe number of desc */
- var = __builtin_popcountll(stat & I40E_VPMD_DESC_DD_MASK);
- nb_pkts_recd += var;
- if (likely(var != RTE_I40E_DESCS_PER_LOOP))
+ if (unlikely(stat == 0)) {
+ nb_pkts_recd += RTE_I40E_DESCS_PER_LOOP;
+ } else {
+ nb_pkts_recd += __builtin_ctzl(stat) / I40E_UINT16_BIT;
break;
+ }
}
/* Update our internal tail pointer */
i++;
if (i == nb_bufs)
return nb_bufs;
+ rxq->pkt_first_seg = rx_pkts[i];
}
return i + reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i,
&split_flags[i]);
return nb_pkts;
}
-void __attribute__((cold))
+void __rte_cold
i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue *rxq)
{
_i40e_rx_queue_release_mbufs_vec(rxq);
}
-int __attribute__((cold))
+int __rte_cold
i40e_rxq_vec_setup(struct i40e_rx_queue *rxq)
{
return i40e_rxq_vec_setup_default(rxq);
}
-int __attribute__((cold))
+int __rte_cold
i40e_txq_vec_setup(struct i40e_tx_queue __rte_unused *txq)
{
return 0;
}
-int __attribute__((cold))
+int __rte_cold
i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev)
{
return i40e_rx_vec_dev_conf_condition_check_default(dev);
git.droids-corp.org / dpdk.git / blobdiff