[2/3] event/cnxk: remove checks from op release
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Commit Message
From: Pavan Nikhilesh <pbhagavatula@marvell.com>
Remove expensive fastpath checks from op release, remove
explicit release in CN9K tx routine.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
drivers/event/cnxk/cn9k_worker.h | 17 -----------------
drivers/event/cnxk/cnxk_worker.h | 6 ------
2 files changed, 23 deletions(-)
@@ -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;
}
@@ -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);
}