[PATCH 2/3] event/cnxk: remove checks from op release

[pbhagavatula]

From: Pavan Nikhilesh <pbhagavat...@marvell.com>

Remove expensive fastpath checks from op release, remove
explicit release in CN9K tx routine.

Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
 drivers/event/cnxk/cn9k_worker.h | 17 -----------------
 drivers/event/cnxk/cnxk_worker.h |  6 ------
 2 files changed, 23 deletions(-)

diff --git a/drivers/event/cnxk/cn9k_worker.h b/drivers/event/cnxk/cn9k_worker.h
index 9ddab095ac..ee659e80d6 100644
--- a/drivers/event/cnxk/cn9k_worker.h
+++ b/drivers/event/cnxk/cn9k_worker.h
@@ -156,15 +156,6 @@ cn9k_sso_hws_dual_forward_event(struct cn9k_sso_hws_dual 
*dws, uint64_t base,
        }
 }
 
-static __rte_always_inline void
-cn9k_sso_tx_tag_flush(uint64_t base)
-{
-       if (unlikely(CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_TAG)) ==
-                    SSO_TT_EMPTY))
-               return;
-       plt_write64(0, base + SSOW_LF_GWS_OP_SWTAG_FLUSH);
-}
-
 static __rte_always_inline void
 cn9k_wqe_to_mbuf(uint64_t wqe, const uint64_t mbuf, uint8_t port_id,
                 const uint32_t tag, const uint32_t flags,
@@ -727,7 +718,6 @@ cn9k_sso_hws_event_tx(uint64_t base, struct rte_event *ev, 
uint64_t *cmd,
                      uint64_t *txq_data, const uint32_t flags)
 {
        struct rte_mbuf *m = ev->mbuf;
-       uint16_t ref_cnt = m->refcnt;
        struct cn9k_eth_txq *txq;
 
        /* Perform header writes before barrier for TSO */
@@ -800,13 +790,6 @@ cn9k_sso_hws_event_tx(uint64_t base, struct rte_event *ev, 
uint64_t *cmd,
        }
 
 done:
-       if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
-               if (ref_cnt > 1)
-                       return 1;
-       }
-
-       cn9k_sso_tx_tag_flush(base);
-
        return 1;
 }
 
diff --git a/drivers/event/cnxk/cnxk_worker.h b/drivers/event/cnxk/cnxk_worker.h
index 2bd41f8a5e..0e0d728ba4 100644
--- a/drivers/event/cnxk/cnxk_worker.h
+++ b/drivers/event/cnxk/cnxk_worker.h
@@ -54,12 +54,6 @@ cnxk_sso_hws_swtag_untag(uintptr_t swtag_untag_op)
 static __rte_always_inline void
 cnxk_sso_hws_swtag_flush(uint64_t base)
 {
-       /* Ensure that there is no previous flush is pending. */
-       while (plt_read64(base + SSOW_LF_GWS_PENDSTATE) & BIT_ULL(56))
-               ;
-       if (CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_TAG)) ==
-           SSO_TT_EMPTY)
-               return;
        plt_write64(0, base + SSOW_LF_GWS_OP_SWTAG_FLUSH);
 }
 
-- 
2.41.0