-/*
- * BSD LICENSE
- *
- * Copyright (C) Cavium, Inc. 2016.
- *
- * 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 Cavium, Inc 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) 2016 Cavium, Inc
*/
#include <unistd.h>
#include <rte_common.h>
#include <rte_cycles.h>
#include <rte_errno.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ether.h>
#include <rte_log.h>
#include <rte_mbuf.h>
free_desc -= TX_DESC_PER_PKT;
}
- sq->tail = tail;
- sq->xmit_bufs += i;
- rte_wmb();
+ if (likely(i)) {
+ sq->tail = tail;
+ sq->xmit_bufs += i;
+ rte_wmb();
- /* Inform HW to xmit the packets */
- nicvf_addr_write(sq->sq_door, i * TX_DESC_PER_PKT);
+ /* Inform HW to xmit the packets */
+ nicvf_addr_write(sq->sq_door, i * TX_DESC_PER_PKT);
+ }
return i;
}
}
}
- sq->tail = tail;
- sq->xmit_bufs += used_bufs;
- rte_wmb();
+ if (likely(used_desc)) {
+ sq->tail = tail;
+ sq->xmit_bufs += used_bufs;
+ rte_wmb();
- /* Inform HW to xmit the packets */
- nicvf_addr_write(sq->sq_door, used_desc);
- return nb_pkts;
+ /* Inform HW to xmit the packets */
+ nicvf_addr_write(sq->sq_door, used_desc);
+ }
+ return i;
}
static const uint32_t ptype_table[16][16] __rte_cache_aligned = {
return ptype_table[cqe_rx_w0.l3_type][cqe_rx_w0.l4_type];
}
+static inline uint64_t __hot
+nicvf_set_olflags(const cqe_rx_word0_t cqe_rx_w0)
+{
+ static const uint64_t flag_table[3] __rte_cache_aligned = {
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD,
+ PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_UNKNOWN,
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
+ };
+
+ const uint8_t idx = (cqe_rx_w0.err_opcode == CQE_RX_ERR_L4_CHK) << 1 |
+ (cqe_rx_w0.err_opcode == CQE_RX_ERR_IP_CHK);
+ return flag_table[idx];
+}
+
static inline int __hot
nicvf_fill_rbdr(struct nicvf_rxq *rxq, int to_fill)
{
if (likely(cqe_rx_w0.rss_alg)) {
pkt->hash.rss = cqe_rx_w2.rss_tag;
pkt->ol_flags |= PKT_RX_RSS_HASH;
+
}
}
-uint16_t __hot
-nicvf_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
+static __rte_always_inline uint16_t
+nicvf_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts,
+ const uint32_t flag)
{
uint32_t i, to_process;
struct cqe_rx_t *cqe_rx;
rb0_ptr = *((uint64_t *)cqe_rx + rbptr_offset);
pkt = (struct rte_mbuf *)nicvf_mbuff_phy2virt
(rb0_ptr - cqe_rx_w1.align_pad, mbuf_phys_off);
- pkt->ol_flags = 0;
+
+ if (flag & NICVF_RX_OFFLOAD_NONE)
+ pkt->ol_flags = 0;
+ if (flag & NICVF_RX_OFFLOAD_CKSUM)
+ pkt->ol_flags = nicvf_set_olflags(cqe_rx_w0);
+ if (flag & NICVF_RX_OFFLOAD_VLAN_STRIP) {
+ if (unlikely(cqe_rx_w0.vlan_stripped)) {
+ pkt->ol_flags |= PKT_RX_VLAN
+ | PKT_RX_VLAN_STRIPPED;
+ pkt->vlan_tci =
+ rte_cpu_to_be_16(cqe_rx_w2.vlan_tci);
+ }
+ }
pkt->data_len = cqe_rx_w3.rb0_sz;
pkt->pkt_len = cqe_rx_w3.rb0_sz;
pkt->packet_type = nicvf_rx_classify_pkt(cqe_rx_w0);
return to_process;
}
-static inline uint16_t __hot
+uint16_t __hot
+nicvf_recv_pkts_no_offload(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_NONE);
+}
+
+uint16_t __hot
+nicvf_recv_pkts_cksum(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_CKSUM);
+}
+
+uint16_t __hot
+nicvf_recv_pkts_vlan_strip(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_NONE | NICVF_RX_OFFLOAD_VLAN_STRIP);
+}
+
+uint16_t __hot
+nicvf_recv_pkts_cksum_vlan_strip(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_CKSUM | NICVF_RX_OFFLOAD_VLAN_STRIP);
+}
+
+static __rte_always_inline uint16_t __hot
nicvf_process_cq_mseg_entry(struct cqe_rx_t *cqe_rx,
uint64_t mbuf_phys_off,
struct rte_mbuf **rx_pkt, uint8_t rbptr_offset,
- uint64_t mbuf_init)
+ uint64_t mbuf_init, const uint32_t flag)
{
struct rte_mbuf *pkt, *seg, *prev;
cqe_rx_word0_t cqe_rx_w0;
pkt = (struct rte_mbuf *)nicvf_mbuff_phy2virt
(rb_ptr[0] - cqe_rx_w1.align_pad, mbuf_phys_off);
- pkt->ol_flags = 0;
pkt->pkt_len = cqe_rx_w1.pkt_len;
pkt->data_len = rb_sz[nicvf_frag_num(0)];
nicvf_mbuff_init_mseg_update(
pkt, mbuf_init, cqe_rx_w1.align_pad, nb_segs);
pkt->packet_type = nicvf_rx_classify_pkt(cqe_rx_w0);
+ if (flag & NICVF_RX_OFFLOAD_NONE)
+ pkt->ol_flags = 0;
+ if (flag & NICVF_RX_OFFLOAD_CKSUM)
+ pkt->ol_flags = nicvf_set_olflags(cqe_rx_w0);
+ if (flag & NICVF_RX_OFFLOAD_VLAN_STRIP) {
+ if (unlikely(cqe_rx_w0.vlan_stripped)) {
+ pkt->ol_flags |= PKT_RX_VLAN
+ | PKT_RX_VLAN_STRIPPED;
+ pkt->vlan_tci = rte_cpu_to_be_16(cqe_rx_w2.vlan_tci);
+ }
+ }
nicvf_rx_offload(cqe_rx_w0, cqe_rx_w2, pkt);
*rx_pkt = pkt;
return nb_segs;
}
-uint16_t __hot
+static __rte_always_inline uint16_t __hot
nicvf_recv_pkts_multiseg(void *rx_queue, struct rte_mbuf **rx_pkts,
- uint16_t nb_pkts)
+ uint16_t nb_pkts, const uint32_t flag)
{
union cq_entry_t *cq_entry;
struct cqe_rx_t *cqe_rx;
cq_entry = &desc[cqe_head];
cqe_rx = (struct cqe_rx_t *)cq_entry;
nb_segs = nicvf_process_cq_mseg_entry(cqe_rx, mbuf_phys_off,
- rx_pkts + i, rbptr_offset, mbuf_init);
+ rx_pkts + i, rbptr_offset, mbuf_init, flag);
buffers_consumed += nb_segs;
cqe_head = (cqe_head + 1) & cqe_mask;
nicvf_prefetch_store_keep(rx_pkts[i]);
return to_process;
}
+uint16_t __hot
+nicvf_recv_pkts_multiseg_no_offload(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts_multiseg(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_NONE);
+}
+
+uint16_t __hot
+nicvf_recv_pkts_multiseg_cksum(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts_multiseg(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_CKSUM);
+}
+
+uint16_t __hot
+nicvf_recv_pkts_multiseg_vlan_strip(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts_multiseg(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_NONE | NICVF_RX_OFFLOAD_VLAN_STRIP);
+}
+
+uint16_t __hot
+nicvf_recv_pkts_multiseg_cksum_vlan_strip(void *rx_queue,
+ struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
+{
+ return nicvf_recv_pkts_multiseg(rx_queue, rx_pkts, nb_pkts,
+ NICVF_RX_OFFLOAD_CKSUM | NICVF_RX_OFFLOAD_VLAN_STRIP);
+}
+
uint32_t
nicvf_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx)
{
Code Review / deb_dpdk.git / blobdiff