octeontx2-pf: cn10k: Use LMTST lines for NPA/NIX operations

This patch adds support to use new LMTST lines for NPA batch free
and burst SQE flush. Adds new dev_hw_ops structure to hold platform
specific functions and create new files cn10k.c and cn10k.h.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 18 insertions, 21 deletions

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 68f80e75c8c7..59a7bd88d907 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -17,6 +17,7 @@
 #include "otx2_struct.h"
 #include "otx2_txrx.h"
 #include "otx2_ptp.h"
+#include "cn10k.h"
 
 #define CQE_ADDR(CQ, idx) ((CQ)->cqe_base + ((CQ)->cqe_size * (idx)))
 
@@ -199,7 +200,8 @@ static void otx2_free_rcv_seg(struct otx2_nic *pfvf, struct nix_cqe_rx_s *cqe,
 		sg = (struct nix_rx_sg_s *)start;
 		seg_addr = &sg->seg_addr;
 		for (seg = 0; seg < sg->segs; seg++, seg_addr++)
-			otx2_aura_freeptr(pfvf, qidx, *seg_addr & ~0x07ULL);
+			pfvf->hw_ops->aura_freeptr(pfvf, qidx,
+						   *seg_addr & ~0x07ULL);
 		start += sizeof(*sg);
 	}
 }
@@ -304,7 +306,6 @@ static int otx2_rx_napi_handler(struct otx2_nic *pfvf,
 {
 	struct nix_cqe_rx_s *cqe;
 	int processed_cqe = 0;
-	dma_addr_t bufptr;
 
 	while (likely(processed_cqe < budget)) {
 		cqe = (struct nix_cqe_rx_s *)CQE_ADDR(cq, cq->cq_head);
@@ -330,28 +331,23 @@ static int otx2_rx_napi_handler(struct otx2_nic *pfvf,
 
 	if (unlikely(!cq->pool_ptrs))
 		return 0;
-
 	/* Refill pool with new buffers */
+	pfvf->hw_ops->refill_pool_ptrs(pfvf, cq);
+
+	return processed_cqe;
+}
+
+void otx2_refill_pool_ptrs(void *dev, struct otx2_cq_queue *cq)
+{
+	struct otx2_nic *pfvf = dev;
+	dma_addr_t bufptr;
+
 	while (cq->pool_ptrs) {
-		if (unlikely(__otx2_alloc_rbuf(pfvf, cq->rbpool, &bufptr))) {
-			struct refill_work *work;
-			struct delayed_work *dwork;
-
-			work = &pfvf->refill_wrk[cq->cq_idx];
-			dwork = &work->pool_refill_work;
-			/* Schedule a task if no other task is running */
-			if (!cq->refill_task_sched) {
-				cq->refill_task_sched = true;
-				schedule_delayed_work(dwork,
-						      msecs_to_jiffies(100));
-			}
+		if (otx2_alloc_buffer(pfvf, cq, &bufptr))
 			break;
-		}
 		otx2_aura_freeptr(pfvf, cq->cq_idx, bufptr + OTX2_HEAD_ROOM);
 		cq->pool_ptrs--;
 	}
-
-	return processed_cqe;
 }
 
 static int otx2_tx_napi_handler(struct otx2_nic *pfvf,
@@ -438,7 +434,8 @@ int otx2_napi_handler(struct napi_struct *napi, int budget)
 	return workdone;
 }
 
-static void otx2_sqe_flush(struct otx2_snd_queue *sq, int size)
+void otx2_sqe_flush(void *dev, struct otx2_snd_queue *sq,
+		    int size, int qidx)
 {
 	u64 status;
 
@@ -796,7 +793,7 @@ static void otx2_sq_append_tso(struct otx2_nic *pfvf, struct otx2_snd_queue *sq,
 		sqe_hdr->sizem1 = (offset / 16) - 1;
 
 		/* Flush SQE to HW */
-		otx2_sqe_flush(sq, offset);
+		pfvf->hw_ops->sqe_flush(pfvf, sq, offset, qidx);
 	}
 }
 
@@ -915,7 +912,7 @@ bool otx2_sq_append_skb(struct net_device *netdev, struct otx2_snd_queue *sq,
 	netdev_tx_sent_queue(txq, skb->len);
 
 	/* Flush SQE to HW */
-	otx2_sqe_flush(sq, offset);
+	pfvf->hw_ops->sqe_flush(pfvf, sq, offset, qidx);
 
 	return true;
 }