octeontx2-pf: Add XDP support to netdev PF

Adds XDP_PASS, XDP_TX, XDP_DROP and XDP_REDIRECT support
for netdev PF.

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

1 files changed, 22 insertions, 13 deletions

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 4c3dbade8cfb..0aa88cea1676 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -718,7 +718,7 @@ void otx2_sqb_flush(struct otx2_nic *pfvf)
 	int timeout = 1000;
 
 	ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_STATUS);
-	for (qidx = 0; qidx < pfvf->hw.tx_queues; qidx++) {
+	for (qidx = 0; qidx < pfvf->hw.tot_tx_queues; qidx++) {
 		incr = (u64)qidx << 32;
 		while (timeout) {
 			val = otx2_atomic64_add(incr, ptr);
@@ -835,17 +835,19 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
 	if (err)
 		return err;
 
-	err = qmem_alloc(pfvf->dev, &sq->tso_hdrs, qset->sqe_cnt,
-			 TSO_HEADER_SIZE);
-	if (err)
-		return err;
+	if (qidx < pfvf->hw.tx_queues) {
+		err = qmem_alloc(pfvf->dev, &sq->tso_hdrs, qset->sqe_cnt,
+				 TSO_HEADER_SIZE);
+		if (err)
+			return err;
+	}
 
 	sq->sqe_base = sq->sqe->base;
 	sq->sg = kcalloc(qset->sqe_cnt, sizeof(struct sg_list), GFP_KERNEL);
 	if (!sq->sg)
 		return -ENOMEM;
 
-	if (pfvf->ptp) {
+	if (pfvf->ptp && qidx < pfvf->hw.tx_queues) {
 		err = qmem_alloc(pfvf->dev, &sq->timestamps, qset->sqe_cnt,
 				 sizeof(*sq->timestamps));
 		if (err)
@@ -871,20 +873,27 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
 static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
 {
 	struct otx2_qset *qset = &pfvf->qset;
+	int err, pool_id, non_xdp_queues;
 	struct nix_aq_enq_req *aq;
 	struct otx2_cq_queue *cq;
-	int err, pool_id;
 
 	cq = &qset->cq[qidx];
 	cq->cq_idx = qidx;
+	non_xdp_queues = pfvf->hw.rx_queues + pfvf->hw.tx_queues;
 	if (qidx < pfvf->hw.rx_queues) {
 		cq->cq_type = CQ_RX;
 		cq->cint_idx = qidx;
 		cq->cqe_cnt = qset->rqe_cnt;
-	} else {
+		if (pfvf->xdp_prog)
+			xdp_rxq_info_reg(&cq->xdp_rxq, pfvf->netdev, qidx, 0);
+	} else if (qidx < non_xdp_queues) {
 		cq->cq_type = CQ_TX;
 		cq->cint_idx = qidx - pfvf->hw.rx_queues;
 		cq->cqe_cnt = qset->sqe_cnt;
+	} else {
+		cq->cq_type = CQ_XDP;
+		cq->cint_idx = qidx - non_xdp_queues;
+		cq->cqe_cnt = qset->sqe_cnt;
 	}
 	cq->cqe_size = pfvf->qset.xqe_size;
 
@@ -991,7 +1000,7 @@ int otx2_config_nix_queues(struct otx2_nic *pfvf)
 	}
 
 	/* Initialize TX queues */
-	for (qidx = 0; qidx < pfvf->hw.tx_queues; qidx++) {
+	for (qidx = 0; qidx < pfvf->hw.tot_tx_queues; qidx++) {
 		u16 sqb_aura = otx2_get_pool_idx(pfvf, AURA_NIX_SQ, qidx);
 
 		err = otx2_sq_init(pfvf, qidx, sqb_aura);
@@ -1038,7 +1047,7 @@ int otx2_config_nix(struct otx2_nic *pfvf)
 
 	/* Set RQ/SQ/CQ counts */
 	nixlf->rq_cnt = pfvf->hw.rx_queues;
-	nixlf->sq_cnt = pfvf->hw.tx_queues;
+	nixlf->sq_cnt = pfvf->hw.tot_tx_queues;
 	nixlf->cq_cnt = pfvf->qset.cq_cnt;
 	nixlf->rss_sz = MAX_RSS_INDIR_TBL_SIZE;
 	nixlf->rss_grps = MAX_RSS_GROUPS;
@@ -1076,7 +1085,7 @@ void otx2_sq_free_sqbs(struct otx2_nic *pfvf)
 	int sqb, qidx;
 	u64 iova, pa;
 
-	for (qidx = 0; qidx < hw->tx_queues; qidx++) {
+	for (qidx = 0; qidx < hw->tot_tx_queues; qidx++) {
 		sq = &qset->sq[qidx];
 		if (!sq->sqb_ptrs)
 			continue;
@@ -1288,7 +1297,7 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
 	stack_pages =
 		(num_sqbs + hw->stack_pg_ptrs - 1) / hw->stack_pg_ptrs;
 
-	for (qidx = 0; qidx < hw->tx_queues; qidx++) {
+	for (qidx = 0; qidx < hw->tot_tx_queues; qidx++) {
 		pool_id = otx2_get_pool_idx(pfvf, AURA_NIX_SQ, qidx);
 		/* Initialize aura context */
 		err = otx2_aura_init(pfvf, pool_id, pool_id, num_sqbs);
@@ -1308,7 +1317,7 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
 		goto fail;
 
 	/* Allocate pointers and free them to aura/pool */
-	for (qidx = 0; qidx < hw->tx_queues; qidx++) {
+	for (qidx = 0; qidx < hw->tot_tx_queues; qidx++) {
 		pool_id = otx2_get_pool_idx(pfvf, AURA_NIX_SQ, qidx);
 		pool = &pfvf->qset.pool[pool_id];