prov/efa: efa_rdm_ep_record_tx_op_submitted() rm peer lookup

Since all EFA send operations use a txe, we can remove the peer lookup
from the critical path offering a performance improvement to all EFA
sends.

Signed-off-by: Seth Zegelstein <szegel@amazon.com>

prov/efa/src/rdm/efa_rdm_ep_utils.c

@@ -338,23 +338,21 @@ struct efa_rdm_ope *efa_rdm_ep_alloc_txe(struct efa_rdm_ep *efa_rdm_ep,
  */
 void efa_rdm_ep_record_tx_op_submitted(struct efa_rdm_ep *ep, struct efa_rdm_pke *pkt_entry)
 {
-	struct efa_rdm_peer *peer;
 	struct efa_rdm_ope *ope;
 
 	ope = pkt_entry->ope;
 	/*
 	 * peer can be NULL when the pkt_entry is a RMA_CONTEXT_PKT,
 	 * and the RMA is a local read toward the endpoint itself
 	 */
-	peer = efa_rdm_ep_get_peer(ep, pkt_entry->addr);
-	if (peer)
+	if (ope->peer)
 		dlist_insert_tail(&pkt_entry->entry,
-				  &peer->outstanding_tx_pkts);
+				  &ope->peer->outstanding_tx_pkts);
 
 	assert(pkt_entry->alloc_type == EFA_RDM_PKE_FROM_EFA_TX_POOL);
 	ep->efa_outstanding_tx_ops++;
-	if (peer)
-		peer->efa_outstanding_tx_ops++;
+	if (ope->peer)
+		ope->peer->efa_outstanding_tx_ops++;
 
 	if (ope)
 		ope->efa_outstanding_tx_ops++;