mirror of https://github.com/F-Stack/f-stack.git
152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/* 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_ATOMIC,
|
|
SSO_SYNC_UNTAGGED,
|
|
SSO_SYNC_EMPTY
|
|
};
|
|
|
|
#ifndef __hot
|
|
#define __hot __attribute__((hot))
|
|
#endif
|
|
|
|
/* SSO Operations */
|
|
|
|
static __rte_always_inline struct rte_mbuf *
|
|
ssovf_octeontx_wqe_to_pkt(uint64_t work, uint16_t port_info)
|
|
{
|
|
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->pkt_len = wqe->s.w1.len;
|
|
mbuf->data_len = mbuf->pkt_len;
|
|
mbuf->nb_segs = 1;
|
|
mbuf->ol_flags = 0;
|
|
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;
|
|
struct rte_mbuf *mbuf;
|
|
|
|
mbuf = (struct rte_mbuf *)((uintptr_t)wqe - OCTTX_PACKET_WQE_SKIP);
|
|
rte_pktmbuf_free(mbuf);
|
|
}
|
|
|
|
static __rte_always_inline uint16_t
|
|
ssows_get_work(struct ssows *ws, struct rte_event *ev)
|
|
{
|
|
uint64_t get_work0, get_work1;
|
|
uint64_t sched_type_queue;
|
|
|
|
ssovf_load_pair(get_work0, get_work1, ws->getwork);
|
|
|
|
sched_type_queue = (get_work0 >> 32) & 0xfff;
|
|
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);
|
|
|
|
if (get_work1 && ev->event_type == RTE_EVENT_TYPE_ETHDEV) {
|
|
ev->mbuf = ssovf_octeontx_wqe_to_pkt(get_work1,
|
|
(ev->event >> 20) & 0x7F);
|
|
} else if (unlikely((get_work0 & 0xFFFFFFFF) == 0xFFFFFFFF)) {
|
|
ssovf_octeontx_wqe_free(get_work1);
|
|
return 0;
|
|
} else {
|
|
ev->u64 = get_work1;
|
|
}
|
|
|
|
return !!get_work1;
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_add_work(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
|
|
const uint8_t new_tt, const uint8_t grp)
|
|
{
|
|
uint64_t add_work0;
|
|
|
|
add_work0 = tag | ((uint64_t)(new_tt) << 32);
|
|
ssovf_store_pair(add_work0, event_ptr, ws->grps[grp]);
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_swtag_full(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
|
|
const uint8_t new_tt, const uint8_t grp)
|
|
{
|
|
uint64_t swtag_full0;
|
|
|
|
swtag_full0 = tag | ((uint64_t)(new_tt & 0x3) << 32) |
|
|
((uint64_t)grp << 34);
|
|
ssovf_store_pair(swtag_full0, event_ptr, (ws->base +
|
|
SSOW_VHWS_OP_SWTAG_FULL0));
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_swtag_desched(struct ssows *ws, uint32_t tag, uint8_t new_tt, uint8_t grp)
|
|
{
|
|
uint64_t val;
|
|
|
|
val = tag | ((uint64_t)(new_tt & 0x3) << 32) | ((uint64_t)grp << 34);
|
|
ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_DESCHED);
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_swtag_norm(struct ssows *ws, uint32_t tag, uint8_t new_tt)
|
|
{
|
|
uint64_t val;
|
|
|
|
val = tag | ((uint64_t)(new_tt & 0x3) << 32);
|
|
ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_NORM);
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_swtag_untag(struct ssows *ws)
|
|
{
|
|
ssovf_write64(0, ws->base + SSOW_VHWS_OP_SWTAG_UNTAG);
|
|
ws->cur_tt = SSO_SYNC_UNTAGGED;
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_upd_wqp(struct ssows *ws, uint8_t grp, uint64_t event_ptr)
|
|
{
|
|
ssovf_store_pair((uint64_t)grp << 34, event_ptr, (ws->base +
|
|
SSOW_VHWS_OP_UPD_WQP_GRP0));
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_desched(struct ssows *ws)
|
|
{
|
|
ssovf_write64(0, ws->base + SSOW_VHWS_OP_DESCHED);
|
|
}
|
|
|
|
static __rte_always_inline void
|
|
ssows_swtag_wait(struct ssows *ws)
|
|
{
|
|
/* Wait for the SWTAG/SWTAG_FULL operation */
|
|
while (ssovf_read64(ws->base + SSOW_VHWS_SWTP))
|
|
;
|
|
}
|