-/*
- * BSD LICENSE
- *
- * Copyright (C) Cavium networks Ltd. 2017.
- *
- * 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 networks 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) 2017 Cavium, Inc
*/
-
#include <rte_common.h>
+#include <rte_branch_prediction.h>
+
+#include <octeontx_mbox.h>
#include "ssovf_evdev.h"
+#include "octeontx_rxtx.h"
enum {
SSO_SYNC_ORDERED,
SSO_SYNC_EMPTY
};
-#ifndef __hot
-#define __hot __attribute__((hot))
-#endif
-
/* SSO Operations */
+static __rte_always_inline void
+ssovf_octeontx_wqe_xtract_mseg(octtx_wqe_t *wqe,
+ struct rte_mbuf *mbuf)
+{
+ octtx_pki_buflink_t *buflink;
+ rte_iova_t *iova_list;
+ uint8_t nb_segs;
+ uint64_t bytes_left = wqe->s.w1.len - wqe->s.w5.size;
+
+ nb_segs = wqe->s.w0.bufs;
+
+ buflink = (octtx_pki_buflink_t *)((uintptr_t)wqe->s.w3.addr -
+ sizeof(octtx_pki_buflink_t));
+
+ while (--nb_segs) {
+ iova_list = (rte_iova_t *)(uintptr_t)(buflink->w1.s.addr);
+ mbuf->next = (struct rte_mbuf *)(rte_iova_t *)(iova_list - 2)
+ - (OCTTX_PACKET_LATER_SKIP / 128);
+ mbuf = mbuf->next;
+
+ mbuf->data_off = sizeof(octtx_pki_buflink_t);
+
+ __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1);
+ if (nb_segs == 1)
+ mbuf->data_len = bytes_left;
+ else
+ mbuf->data_len = buflink->w0.s.size;
+
+ bytes_left = bytes_left - buflink->w0.s.size;
+ buflink = (octtx_pki_buflink_t *)(rte_iova_t *)(iova_list - 2);
+
+ }
+}
+
+static __rte_always_inline struct rte_mbuf *
+ssovf_octeontx_wqe_to_pkt(uint64_t work, uint16_t port_info,
+ const uint16_t flag)
+{
+ struct rte_mbuf *mbuf;
+ octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
+
+ /* Get mbuf from wqe */
+ mbuf = (struct rte_mbuf *)((uintptr_t)wqe - OCTTX_PACKET_WQE_SKIP);
+ rte_prefetch_non_temporal(mbuf);
+ mbuf->packet_type =
+ ptype_table[wqe->s.w2.lcty][wqe->s.w2.lety][wqe->s.w2.lfty];
+ mbuf->data_off = RTE_PTR_DIFF(wqe->s.w3.addr, mbuf->buf_addr);
+ mbuf->ol_flags = 0;
+ mbuf->pkt_len = wqe->s.w1.len;
+
+ if (!!(flag & OCCTX_RX_MULTI_SEG_F)) {
+ mbuf->nb_segs = wqe->s.w0.bufs;
+ mbuf->data_len = wqe->s.w5.size;
+ ssovf_octeontx_wqe_xtract_mseg(wqe, mbuf);
+ } else {
+ mbuf->nb_segs = 1;
+ mbuf->data_len = mbuf->pkt_len;
+ }
+
+ mbuf->port = rte_octeontx_pchan_map[port_info >> 4][port_info & 0xF];
+ rte_mbuf_refcnt_set(mbuf, 1);
+
+ return mbuf;
+}
+
+static __rte_always_inline void
+ssovf_octeontx_wqe_free(uint64_t work)
+{
+ octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
+ uint8_t nb_segs = wqe->s.w0.bufs;
+ octtx_pki_buflink_t *buflink;
+ struct rte_mbuf *mbuf, *head;
+ rte_iova_t *iova_list;
+
+ mbuf = (struct rte_mbuf *)((uintptr_t)wqe - OCTTX_PACKET_WQE_SKIP);
+ buflink = (octtx_pki_buflink_t *)((uintptr_t)wqe->s.w3.addr -
+ sizeof(octtx_pki_buflink_t));
+ head = mbuf;
+ while (--nb_segs) {
+ iova_list = (rte_iova_t *)(uintptr_t)(buflink->w1.s.addr);
+ mbuf = (struct rte_mbuf *)(rte_iova_t *)(iova_list - 2)
+ - (OCTTX_PACKET_LATER_SKIP / 128);
+
+ mbuf->next = NULL;
+ rte_pktmbuf_free(mbuf);
+ buflink = (octtx_pki_buflink_t *)(rte_iova_t *)(iova_list - 2);
+ }
+ rte_pktmbuf_free(head);
+}
+
static __rte_always_inline uint16_t
-ssows_get_work(struct ssows *ws, struct rte_event *ev)
+ssows_get_work(struct ssows *ws, struct rte_event *ev, const uint16_t flag)
{
uint64_t get_work0, get_work1;
uint64_t sched_type_queue;
ws->cur_tt = sched_type_queue & 0x3;
ws->cur_grp = sched_type_queue >> 2;
sched_type_queue = sched_type_queue << 38;
-
ev->event = sched_type_queue | (get_work0 & 0xffffffff);
- ev->u64 = get_work1;
+
+ if (get_work1 && ev->event_type == RTE_EVENT_TYPE_ETHDEV) {
+ ev->mbuf = ssovf_octeontx_wqe_to_pkt(get_work1,
+ (ev->event >> 20) & 0x7F, flag);
+ } else if (unlikely((get_work0 & 0xFFFFFFFF) == 0xFFFFFFFF)) {
+ ssovf_octeontx_wqe_free(get_work1);
+ return 0;
+ } else {
+ ev->u64 = get_work1;
+ }
+
return !!get_work1;
}
git.droids-corp.org / dpdk.git / blobdiff