1 files changed, 346 insertions, 126 deletions

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 8511906cb4e2..75ebb17419c4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -10,22 +10,30 @@
 #include <net/page_pool/helpers.h>
 #include <net/tso.h>
 #include <linux/bitfield.h>
+#include <linux/dcbnl.h>
+#include <net/xfrm.h>
 
 #include "otx2_reg.h"
 #include "otx2_common.h"
 #include "otx2_struct.h"
 #include "cn10k.h"
+#include "otx2_xsk.h"
+
+static bool otx2_is_pfc_enabled(struct otx2_nic *pfvf)
+{
+	return IS_ENABLED(CONFIG_DCB) && !!pfvf->pfc_en;
+}
 
 static void otx2_nix_rq_op_stats(struct queue_stats *stats,
 				 struct otx2_nic *pfvf, int qidx)
 {
 	u64 incr = (u64)qidx << 32;
-	u64 *ptr;
+	void __iomem *ptr;
 
-	ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_OCTS);
+	ptr = otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_OCTS);
 	stats->bytes = otx2_atomic64_add(incr, ptr);
 
-	ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_PKTS);
+	ptr = otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_PKTS);
 	stats->pkts = otx2_atomic64_add(incr, ptr);
 }
 
@@ -33,12 +41,12 @@ static void otx2_nix_sq_op_stats(struct queue_stats *stats,
 				 struct otx2_nic *pfvf, int qidx)
 {
 	u64 incr = (u64)qidx << 32;
-	u64 *ptr;
+	void __iomem *ptr;
 
-	ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_OCTS);
+	ptr = otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_OCTS);
 	stats->bytes = otx2_atomic64_add(incr, ptr);
 
-	ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_PKTS);
+	ptr = otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_PKTS);
 	stats->pkts = otx2_atomic64_add(incr, ptr);
 }
 
@@ -83,6 +91,7 @@ int otx2_update_rq_stats(struct otx2_nic *pfvf, int qidx)
 	otx2_nix_rq_op_stats(&rq->stats, pfvf, qidx);
 	return 1;
 }
+EXPORT_SYMBOL(otx2_update_rq_stats);
 
 int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx)
 {
@@ -99,6 +108,7 @@ int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx)
 	otx2_nix_sq_op_stats(&sq->stats, pfvf, qidx);
 	return 1;
 }
+EXPORT_SYMBOL(otx2_update_sq_stats);
 
 void otx2_get_dev_stats(struct otx2_nic *pfvf)
 {
@@ -114,7 +124,9 @@ void otx2_get_dev_stats(struct otx2_nic *pfvf)
 			       dev_stats->rx_ucast_frames;
 
 	dev_stats->tx_bytes = OTX2_GET_TX_STATS(TX_OCTS);
-	dev_stats->tx_drops = OTX2_GET_TX_STATS(TX_DROP);
+	dev_stats->tx_drops = OTX2_GET_TX_STATS(TX_DROP) +
+			       (unsigned long)atomic_long_read(&dev_stats->tx_discards);
+
 	dev_stats->tx_bcast_frames = OTX2_GET_TX_STATS(TX_BCAST);
 	dev_stats->tx_mcast_frames = OTX2_GET_TX_STATS(TX_MCAST);
 	dev_stats->tx_ucast_frames = OTX2_GET_TX_STATS(TX_UCAST);
@@ -227,7 +239,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
 	u16 maxlen;
 	int err;
 
-	maxlen = otx2_get_max_mtu(pfvf) + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
+	maxlen = pfvf->hw.max_mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
 
 	mutex_lock(&pfvf->mbox.lock);
 	req = otx2_mbox_alloc_msg_nix_set_hw_frs(&pfvf->mbox);
@@ -236,7 +248,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
 		return -ENOMEM;
 	}
 
-	req->maxlen = pfvf->netdev->mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
+	req->maxlen = mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
 
 	/* Use max receive length supported by hardware for loopback devices */
 	if (is_otx2_lbkvf(pfvf->pdev))
@@ -246,13 +258,14 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
 	mutex_unlock(&pfvf->mbox.lock);
 	return err;
 }
+EXPORT_SYMBOL(otx2_hw_set_mtu);
 
 int otx2_config_pause_frm(struct otx2_nic *pfvf)
 {
 	struct cgx_pause_frm_cfg *req;
 	int err;
 
-	if (is_otx2_lbkvf(pfvf->pdev))
+	if (is_otx2_lbkvf(pfvf->pdev) || is_otx2_sdp_rep(pfvf->pdev))
 		return 0;
 
 	mutex_lock(&pfvf->mbox.lock);
@@ -307,19 +320,22 @@ fail:
 	return err;
 }
 
-int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id)
+int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id, const u32 *ind_tbl)
 {
 	struct otx2_rss_info *rss = &pfvf->hw.rss_info;
 	const int index = rss->rss_size * ctx_id;
 	struct mbox *mbox = &pfvf->mbox;
-	struct otx2_rss_ctx *rss_ctx;
 	struct nix_aq_enq_req *aq;
 	int idx, err;
 
 	mutex_lock(&mbox->lock);
-	rss_ctx = rss->rss_ctx[ctx_id];
+	ind_tbl = ind_tbl ?: rss->ind_tbl;
 	/* Get memory to put this msg */
 	for (idx = 0; idx < rss->rss_size; idx++) {
+		/* Ignore the queue if AF_XDP zero copy is enabled */
+		if (test_bit(ind_tbl[idx], pfvf->af_xdp_zc_qidx))
+			continue;
+
 		aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
 		if (!aq) {
 			/* The shared memory buffer can be full.
@@ -337,7 +353,7 @@ int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id)
 			}
 		}
 
-		aq->rss.rq = rss_ctx->ind_tbl[idx];
+		aq->rss.rq = ind_tbl[idx];
 
 		/* Fill AQ info */
 		aq->qidx = index + idx;
@@ -375,30 +391,22 @@ void otx2_set_rss_key(struct otx2_nic *pfvf)
 int otx2_rss_init(struct otx2_nic *pfvf)
 {
 	struct otx2_rss_info *rss = &pfvf->hw.rss_info;
-	struct otx2_rss_ctx *rss_ctx;
 	int idx, ret = 0;
 
-	rss->rss_size = sizeof(*rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP]);
+	rss->rss_size = sizeof(*rss->ind_tbl);
 
 	/* Init RSS key if it is not setup already */
 	if (!rss->enable)
 		netdev_rss_key_fill(rss->key, sizeof(rss->key));
 	otx2_set_rss_key(pfvf);
 
-	if (!netif_is_rxfh_configured(pfvf->netdev)) {
-		/* Set RSS group 0 as default indirection table */
-		rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP] = kzalloc(rss->rss_size,
-								  GFP_KERNEL);
-		if (!rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP])
-			return -ENOMEM;
-
-		rss_ctx = rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP];
+	if (!netif_is_rxfh_configured(pfvf->netdev))
 		for (idx = 0; idx < rss->rss_size; idx++)
-			rss_ctx->ind_tbl[idx] =
+			rss->ind_tbl[idx] =
 				ethtool_rxfh_indir_default(idx,
 							   pfvf->hw.rx_queues);
-	}
-	ret = otx2_set_rss_table(pfvf, DEFAULT_RSS_CONTEXT_GROUP);
+
+	ret = otx2_set_rss_table(pfvf, DEFAULT_RSS_CONTEXT_GROUP, NULL);
 	if (ret)
 		return ret;
 
@@ -539,10 +547,13 @@ static int otx2_alloc_pool_buf(struct otx2_nic *pfvf, struct otx2_pool *pool,
 }
 
 static int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
-			     dma_addr_t *dma)
+			     dma_addr_t *dma, int qidx, int idx)
 {
 	u8 *buf;
 
+	if (pool->xsk_pool)
+		return otx2_xsk_pool_alloc_buf(pfvf, pool, dma, idx);
+
 	if (pool->page_pool)
 		return otx2_alloc_pool_buf(pfvf, pool, dma);
 
@@ -561,12 +572,12 @@ static int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
 }
 
 int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
-		    dma_addr_t *dma)
+		    dma_addr_t *dma, int qidx, int idx)
 {
 	int ret;
 
 	local_bh_disable();
-	ret = __otx2_alloc_rbuf(pfvf, pool, dma);
+	ret = __otx2_alloc_rbuf(pfvf, pool, dma, qidx, idx);
 	local_bh_enable();
 	return ret;
 }
@@ -574,20 +585,9 @@ int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
 int otx2_alloc_buffer(struct otx2_nic *pfvf, struct otx2_cq_queue *cq,
 		      dma_addr_t *dma)
 {
-	if (unlikely(__otx2_alloc_rbuf(pfvf, cq->rbpool, dma))) {
-		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 (unlikely(__otx2_alloc_rbuf(pfvf, cq->rbpool, dma,
+				       cq->cq_idx, cq->pool_ptrs - 1)))
 		return -ENOMEM;
-	}
 	return 0;
 }
 
@@ -658,20 +658,31 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
 		req->reg[2] = NIX_AF_MDQX_SCHEDULE(schq);
 		req->regval[2] =  dwrr_val;
 	} else if (lvl == NIX_TXSCH_LVL_TL4) {
+		int sdp_chan =  hw->tx_chan_base + prio;
+
+		if (is_otx2_sdp_rep(pfvf->pdev))
+			prio = 0;
 		parent = schq_list[NIX_TXSCH_LVL_TL3][prio];
 		req->reg[0] = NIX_AF_TL4X_PARENT(schq);
-		req->regval[0] = parent << 16;
+		req->regval[0] = (u64)parent << 16;
 		req->num_regs++;
 		req->reg[1] = NIX_AF_TL4X_SCHEDULE(schq);
 		req->regval[1] = dwrr_val;
+		if (is_otx2_sdp_rep(pfvf->pdev)) {
+			req->num_regs++;
+			req->reg[2] = NIX_AF_TL4X_SDP_LINK_CFG(schq);
+			req->regval[2] = BIT_ULL(12) | BIT_ULL(13) |
+					 (sdp_chan & 0xff);
+		}
 	} else if (lvl == NIX_TXSCH_LVL_TL3) {
 		parent = schq_list[NIX_TXSCH_LVL_TL2][prio];
 		req->reg[0] = NIX_AF_TL3X_PARENT(schq);
-		req->regval[0] = parent << 16;
+		req->regval[0] = (u64)parent << 16;
 		req->num_regs++;
 		req->reg[1] = NIX_AF_TL3X_SCHEDULE(schq);
 		req->regval[1] = dwrr_val;
-		if (lvl == hw->txschq_link_cfg_lvl) {
+		if (lvl == hw->txschq_link_cfg_lvl &&
+		    !is_otx2_sdp_rep(pfvf->pdev)) {
 			req->num_regs++;
 			req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
 			/* Enable this queue and backpressure
@@ -682,13 +693,14 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
 	} else if (lvl == NIX_TXSCH_LVL_TL2) {
 		parent = schq_list[NIX_TXSCH_LVL_TL1][prio];
 		req->reg[0] = NIX_AF_TL2X_PARENT(schq);
-		req->regval[0] = parent << 16;
+		req->regval[0] = (u64)parent << 16;
 
 		req->num_regs++;
 		req->reg[1] = NIX_AF_TL2X_SCHEDULE(schq);
-		req->regval[1] = TXSCH_TL1_DFLT_RR_PRIO << 24 | dwrr_val;
+		req->regval[1] = (u64)hw->txschq_aggr_lvl_rr_prio << 24 | dwrr_val;
 
-		if (lvl == hw->txschq_link_cfg_lvl) {
+		if (lvl == hw->txschq_link_cfg_lvl &&
+		    !is_otx2_sdp_rep(pfvf->pdev)) {
 			req->num_regs++;
 			req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
 			/* Enable this queue and backpressure
@@ -710,7 +722,7 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
 
 		req->num_regs++;
 		req->reg[1] = NIX_AF_TL1X_TOPOLOGY(schq);
-		req->regval[1] = (TXSCH_TL1_DFLT_RR_PRIO << 1);
+		req->regval[1] = hw->txschq_aggr_lvl_rr_prio << 1;
 
 		req->num_regs++;
 		req->reg[2] = NIX_AF_TL1X_CIR(schq);
@@ -747,6 +759,7 @@ EXPORT_SYMBOL(otx2_smq_flush);
 
 int otx2_txsch_alloc(struct otx2_nic *pfvf)
 {
+	int chan_cnt = pfvf->hw.tx_chan_cnt;
 	struct nix_txsch_alloc_req *req;
 	struct nix_txsch_alloc_rsp *rsp;
 	int lvl, schq, rc;
@@ -759,6 +772,12 @@ int otx2_txsch_alloc(struct otx2_nic *pfvf)
 	/* Request one schq per level */
 	for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++)
 		req->schq[lvl] = 1;
+
+	if (is_otx2_sdp_rep(pfvf->pdev) && chan_cnt > 1) {
+		req->schq[NIX_TXSCH_LVL_SMQ] = chan_cnt;
+		req->schq[NIX_TXSCH_LVL_TL4] = chan_cnt;
+	}
+
 	rc = otx2_sync_mbox_msg(&pfvf->mbox);
 	if (rc)
 		return rc;
@@ -769,10 +788,12 @@ int otx2_txsch_alloc(struct otx2_nic *pfvf)
 		return PTR_ERR(rsp);
 
 	/* Setup transmit scheduler list */
-	for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++)
+	for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
+		pfvf->hw.txschq_cnt[lvl] = rsp->schq[lvl];
 		for (schq = 0; schq < rsp->schq[lvl]; schq++)
 			pfvf->hw.txschq_list[lvl][schq] =
 				rsp->schq_list[lvl][schq];
+	}
 
 	pfvf->hw.txschq_link_cfg_lvl = rsp->link_cfg_lvl;
 	pfvf->hw.txschq_aggr_lvl_rr_prio = rsp->aggr_lvl_rr_prio;
@@ -810,12 +831,15 @@ EXPORT_SYMBOL(otx2_txschq_free_one);
 
 void otx2_txschq_stop(struct otx2_nic *pfvf)
 {
-	int lvl, schq;
+	int lvl, schq, idx;
 
 	/* free non QOS TLx nodes */
-	for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++)
-		otx2_txschq_free_one(pfvf, lvl,
-				     pfvf->hw.txschq_list[lvl][0]);
+	for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
+		for (idx = 0; idx < pfvf->hw.txschq_cnt[lvl]; idx++) {
+			otx2_txschq_free_one(pfvf, lvl,
+					     pfvf->hw.txschq_list[lvl][idx]);
+		}
+	}
 
 	/* Clear the txschq list */
 	for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
@@ -829,25 +853,21 @@ void otx2_sqb_flush(struct otx2_nic *pfvf)
 {
 	int qidx, sqe_tail, sqe_head;
 	struct otx2_snd_queue *sq;
-	u64 incr, *ptr, val;
-	int timeout = 1000;
+	void __iomem *ptr;
+	u64 incr, val;
 
-	ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_STATUS);
+	ptr = otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_STATUS);
 	for (qidx = 0; qidx < otx2_get_total_tx_queues(pfvf); qidx++) {
 		sq = &pfvf->qset.sq[qidx];
 		if (!sq->sqb_ptrs)
 			continue;
 
 		incr = (u64)qidx << 32;
-		while (timeout) {
-			val = otx2_atomic64_add(incr, ptr);
-			sqe_head = (val >> 20) & 0x3F;
-			sqe_tail = (val >> 28) & 0x3F;
-			if (sqe_head == sqe_tail)
-				break;
-			usleep_range(1, 3);
-			timeout--;
-		}
+		val = otx2_atomic64_add(incr, ptr);
+		sqe_head = (val >> 20) & 0x3F;
+		sqe_tail = (val >> 28) & 0x3F;
+		if (sqe_head != sqe_tail)
+			usleep_range(50, 60);
 	}
 }
 
@@ -867,7 +887,7 @@ void otx2_sqb_flush(struct otx2_nic *pfvf)
 #define RQ_PASS_LVL_AURA (255 - ((95 * 256) / 100)) /* RED when 95% is full */
 #define RQ_DROP_LVL_AURA (255 - ((99 * 256) / 100)) /* Drop when 99% is full */
 
-static int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura)
+int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura)
 {
 	struct otx2_qset *qset = &pfvf->qset;
 	struct nix_aq_enq_req *aq;
@@ -900,7 +920,7 @@ static int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura)
 	return otx2_sync_mbox_msg(&pfvf->mbox);
 }
 
-int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
+int otx2_sq_aq_init(void *dev, u16 qidx, u8 chan_offset, u16 sqb_aura)
 {
 	struct otx2_nic *pfvf = dev;
 	struct otx2_snd_queue *sq;
@@ -919,7 +939,7 @@ int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
 	aq->sq.ena = 1;
 	aq->sq.smq = otx2_get_smq_idx(pfvf, qidx);
 	aq->sq.smq_rr_quantum = mtu_to_dwrr_weight(pfvf, pfvf->tx_max_pktlen);
-	aq->sq.default_chan = pfvf->hw.tx_chan_base;
+	aq->sq.default_chan = pfvf->hw.tx_chan_base + chan_offset;
 	aq->sq.sqe_stype = NIX_STYPE_STF; /* Cache SQB */
 	aq->sq.sqb_aura = sqb_aura;
 	aq->sq.sq_int_ena = NIX_SQINT_BITS;
@@ -942,6 +962,7 @@ int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
 	struct otx2_qset *qset = &pfvf->qset;
 	struct otx2_snd_queue *sq;
 	struct otx2_pool *pool;
+	u8 chan_offset;
 	int err;
 
 	pool = &pfvf->qset.pool[sqb_aura];
@@ -953,6 +974,29 @@ int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
 	if (err)
 		return err;
 
+	/* Allocate memory for NIX SQE (which includes NIX SG) and CPT SG.
+	 * SG of NIX and CPT are same in size. Allocate memory for CPT SG
+	 * same as NIX SQE for base address alignment.
+	 * Layout of a NIX SQE and CPT SG entry:
+	 *      -----------------------------
+	 *     |     CPT Scatter Gather      |
+	 *     |       (SQE SIZE)            |
+	 *     |                             |
+	 *      -----------------------------
+	 *     |       NIX SQE               |
+	 *     |       (SQE SIZE)            |
+	 *     |                             |
+	 *      -----------------------------
+	 */
+	err = qmem_alloc(pfvf->dev, &sq->sqe_ring, qset->sqe_cnt,
+			 sq->sqe_size * 2);
+	if (err)
+		return err;
+
+	err = qmem_alloc(pfvf->dev, &sq->cpt_resp, qset->sqe_cnt, 64);
+	if (err)
+		return err;
+
 	if (qidx < pfvf->hw.tx_queues) {
 		err = qmem_alloc(pfvf->dev, &sq->tso_hdrs, qset->sqe_cnt,
 				 TSO_HEADER_SIZE);
@@ -968,8 +1012,11 @@ int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
 	if (pfvf->ptp && qidx < pfvf->hw.tx_queues) {
 		err = qmem_alloc(pfvf->dev, &sq->timestamps, qset->sqe_cnt,
 				 sizeof(*sq->timestamps));
-		if (err)
+		if (err) {
+			kfree(sq->sg);
+			sq->sg = NULL;
 			return err;
+		}
 	}
 
 	sq->head = 0;
@@ -984,17 +1031,30 @@ int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
 
 	sq->stats.bytes = 0;
 	sq->stats.pkts = 0;
+	/* Attach XSK_BUFF_POOL to XDP queue */
+	if (qidx > pfvf->hw.xdp_queues)
+		otx2_attach_xsk_buff(pfvf, sq, (qidx - pfvf->hw.xdp_queues));
+
 
-	return pfvf->hw_ops->sq_aq_init(pfvf, qidx, sqb_aura);
+	chan_offset = qidx % pfvf->hw.tx_chan_cnt;
+	err = pfvf->hw_ops->sq_aq_init(pfvf, qidx, chan_offset, sqb_aura);
+	if (err) {
+		kfree(sq->sg);
+		sq->sg = NULL;
+		return err;
+	}
+
+	return 0;
 
 }
 
-static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
+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;
+	struct otx2_pool *pool;
 
 	cq = &qset->cq[qidx];
 	cq->cq_idx = qidx;
@@ -1003,8 +1063,20 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
 		cq->cq_type = CQ_RX;
 		cq->cint_idx = qidx;
 		cq->cqe_cnt = qset->rqe_cnt;
-		if (pfvf->xdp_prog)
+		if (pfvf->xdp_prog) {
 			xdp_rxq_info_reg(&cq->xdp_rxq, pfvf->netdev, qidx, 0);
+			pool = &qset->pool[qidx];
+			if (pool->xsk_pool) {
+				xdp_rxq_info_reg_mem_model(&cq->xdp_rxq,
+							   MEM_TYPE_XSK_BUFF_POOL,
+							   NULL);
+				xsk_pool_set_rxq_info(pool->xsk_pool, &cq->xdp_rxq);
+			} else if (pool->page_pool) {
+				xdp_rxq_info_reg_mem_model(&cq->xdp_rxq,
+							   MEM_TYPE_PAGE_POOL,
+							   pool->page_pool);
+			}
+		}
 	} else if (qidx < non_xdp_queues) {
 		cq->cq_type = CQ_TX;
 		cq->cint_idx = qidx - pfvf->hw.rx_queues;
@@ -1082,39 +1154,20 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
 static void otx2_pool_refill_task(struct work_struct *work)
 {
 	struct otx2_cq_queue *cq;
-	struct otx2_pool *rbpool;
 	struct refill_work *wrk;
-	int qidx, free_ptrs = 0;
 	struct otx2_nic *pfvf;
-	dma_addr_t bufptr;
+	int qidx;
 
 	wrk = container_of(work, struct refill_work, pool_refill_work.work);
 	pfvf = wrk->pf;
 	qidx = wrk - pfvf->refill_wrk;
 	cq = &pfvf->qset.cq[qidx];
-	rbpool = cq->rbpool;
-	free_ptrs = cq->pool_ptrs;
 
-	while (cq->pool_ptrs) {
-		if (otx2_alloc_rbuf(pfvf, rbpool, &bufptr)) {
-			/* Schedule a WQ if we fails to free atleast half of the
-			 * pointers else enable napi for this RQ.
-			 */
-			if (!((free_ptrs - cq->pool_ptrs) > free_ptrs / 2)) {
-				struct delayed_work *dwork;
-
-				dwork = &wrk->pool_refill_work;
-				schedule_delayed_work(dwork,
-						      msecs_to_jiffies(100));
-			} else {
-				cq->refill_task_sched = false;
-			}
-			return;
-		}
-		pfvf->hw_ops->aura_freeptr(pfvf, qidx, bufptr + OTX2_HEAD_ROOM);
-		cq->pool_ptrs--;
-	}
 	cq->refill_task_sched = false;
+
+	local_bh_disable();
+	napi_schedule(wrk->napi);
+	local_bh_enable();
 }
 
 int otx2_config_nix_queues(struct otx2_nic *pfvf)
@@ -1242,9 +1295,10 @@ void otx2_free_bufs(struct otx2_nic *pfvf, struct otx2_pool *pool,
 
 	pa = otx2_iova_to_phys(pfvf->iommu_domain, iova);
 	page = virt_to_head_page(phys_to_virt(pa));
-
 	if (pool->page_pool) {
 		page_pool_put_full_page(pool->page_pool, page, true);
+	} else if (pool->xsk_pool) {
+		/* Note: No way of identifying xdp_buff */
 	} else {
 		dma_unmap_page_attrs(pfvf->dev, iova, size,
 				     DMA_FROM_DEVICE,
@@ -1259,6 +1313,7 @@ void otx2_free_aura_ptr(struct otx2_nic *pfvf, int type)
 	int pool_id, pool_start = 0, pool_end = 0, size = 0;
 	struct otx2_pool *pool;
 	u64 iova;
+	int idx;
 
 	if (type == AURA_NIX_SQ) {
 		pool_start = otx2_get_pool_idx(pfvf, type, 0);
@@ -1273,16 +1328,21 @@ void otx2_free_aura_ptr(struct otx2_nic *pfvf, int type)
 
 	/* Free SQB and RQB pointers from the aura pool */
 	for (pool_id = pool_start; pool_id < pool_end; pool_id++) {
-		iova = otx2_aura_allocptr(pfvf, pool_id);
 		pool = &pfvf->qset.pool[pool_id];
+		iova = otx2_aura_allocptr(pfvf, pool_id);
 		while (iova) {
 			if (type == AURA_NIX_RQ)
 				iova -= OTX2_HEAD_ROOM;
-
 			otx2_free_bufs(pfvf, pool, iova, size);
-
 			iova = otx2_aura_allocptr(pfvf, pool_id);
 		}
+
+		for (idx = 0 ; idx < pool->xdp_cnt; idx++) {
+			if (!pool->xdp[idx])
+				continue;
+
+			xsk_buff_free(pool->xdp[idx]);
+		}
 	}
 }
 
@@ -1299,7 +1359,8 @@ void otx2_aura_pool_free(struct otx2_nic *pfvf)
 		qmem_free(pfvf->dev, pool->stack);
 		qmem_free(pfvf->dev, pool->fc_addr);
 		page_pool_destroy(pool->page_pool);
-		pool->page_pool = NULL;
+		devm_kfree(pfvf->dev, pool->xdp);
+		pool->xsk_pool = NULL;
 	}
 	devm_kfree(pfvf->dev, pfvf->qset.pool);
 	pfvf->qset.pool = NULL;
@@ -1308,6 +1369,13 @@ void otx2_aura_pool_free(struct otx2_nic *pfvf)
 int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
 		   int pool_id, int numptrs)
 {
+	return pfvf->hw_ops->aura_aq_init(pfvf, aura_id, pool_id,
+					  numptrs);
+}
+
+int otx2_aura_aq_init(struct otx2_nic *pfvf, int aura_id,
+		      int pool_id, int numptrs)
+{
 	struct npa_aq_enq_req *aq;
 	struct otx2_pool *pool;
 	int err;
@@ -1385,7 +1453,15 @@ int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
 int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
 		   int stack_pages, int numptrs, int buf_size, int type)
 {
+	return pfvf->hw_ops->pool_aq_init(pfvf, pool_id, stack_pages, numptrs,
+					  buf_size, type);
+}
+
+int otx2_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id,
+		      int stack_pages, int numptrs, int buf_size, int type)
+{
 	struct page_pool_params pp_params = { 0 };
+	struct xsk_buff_pool *xsk_pool;
 	struct npa_aq_enq_req *aq;
 	struct otx2_pool *pool;
 	int err;
@@ -1429,20 +1505,33 @@ int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
 	aq->ctype = NPA_AQ_CTYPE_POOL;
 	aq->op = NPA_AQ_INSTOP_INIT;
 
-	if (type != AURA_NIX_RQ) {
-		pool->page_pool = NULL;
+	if (type != AURA_NIX_RQ)
+		return 0;
+
+	if (!test_bit(pool_id, pfvf->af_xdp_zc_qidx)) {
+		pp_params.order = get_order(buf_size);
+		pp_params.flags = PP_FLAG_DMA_MAP;
+		pp_params.pool_size = min(OTX2_PAGE_POOL_SZ, numptrs);
+		pp_params.nid = NUMA_NO_NODE;
+		pp_params.dev = pfvf->dev;
+		pp_params.dma_dir = DMA_FROM_DEVICE;
+		pool->page_pool = page_pool_create(&pp_params);
+		if (IS_ERR(pool->page_pool)) {
+			netdev_err(pfvf->netdev, "Creation of page pool failed\n");
+			return PTR_ERR(pool->page_pool);
+		}
 		return 0;
 	}
 
-	pp_params.flags = PP_FLAG_PAGE_FRAG | PP_FLAG_DMA_MAP;
-	pp_params.pool_size = min(OTX2_PAGE_POOL_SZ, numptrs);
-	pp_params.nid = NUMA_NO_NODE;
-	pp_params.dev = pfvf->dev;
-	pp_params.dma_dir = DMA_FROM_DEVICE;
-	pool->page_pool = page_pool_create(&pp_params);
-	if (IS_ERR(pool->page_pool)) {
-		netdev_err(pfvf->netdev, "Creation of page pool failed\n");
-		return PTR_ERR(pool->page_pool);
+	/* Set XSK pool to support AF_XDP zero-copy */
+	xsk_pool = xsk_get_pool_from_qid(pfvf->netdev, pool_id);
+	if (xsk_pool) {
+		pool->xsk_pool = xsk_pool;
+		pool->xdp_cnt = numptrs;
+		pool->xdp = devm_kcalloc(pfvf->dev,
+					 numptrs, sizeof(struct xdp_buff *), GFP_KERNEL);
+		if (!pool->xdp)
+			return -ENOMEM;
 	}
 
 	return 0;
@@ -1503,9 +1592,18 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
 		}
 
 		for (ptr = 0; ptr < num_sqbs; ptr++) {
-			err = otx2_alloc_rbuf(pfvf, pool, &bufptr);
-			if (err)
+			err = otx2_alloc_rbuf(pfvf, pool, &bufptr, pool_id, ptr);
+			if (err) {
+				if (pool->xsk_pool) {
+					ptr--;
+					while (ptr >= 0) {
+						xsk_buff_free(pool->xdp[ptr]);
+						ptr--;
+					}
+				}
 				goto err_mem;
+			}
+
 			pfvf->hw_ops->aura_freeptr(pfvf, pool_id, bufptr);
 			sq->sqb_ptrs[sq->sqb_count++] = (u64)bufptr;
 		}
@@ -1555,11 +1653,19 @@ int otx2_rq_aura_pool_init(struct otx2_nic *pfvf)
 	/* Allocate pointers and free them to aura/pool */
 	for (pool_id = 0; pool_id < hw->rqpool_cnt; pool_id++) {
 		pool = &pfvf->qset.pool[pool_id];
+
 		for (ptr = 0; ptr < num_ptrs; ptr++) {
-			err = otx2_alloc_rbuf(pfvf, pool, &bufptr);
-			if (err)
+			err = otx2_alloc_rbuf(pfvf, pool, &bufptr, pool_id, ptr);
+			if (err) {
+				if (pool->xsk_pool) {
+					while (ptr)
+						xsk_buff_free(pool->xdp[--ptr]);
+				}
 				return -ENOMEM;
+			}
+
 			pfvf->hw_ops->aura_freeptr(pfvf, pool_id,
+						   pool->xsk_pool ? bufptr :
 						   bufptr + OTX2_HEAD_ROOM);
 		}
 	}
@@ -1617,7 +1723,7 @@ int otx2_detach_resources(struct mbox *mbox)
 	detach->partial = false;
 
 	/* Send detach request to AF */
-	otx2_mbox_msg_send(&mbox->mbox, 0);
+	otx2_sync_mbox_msg(mbox);
 	mutex_unlock(&mbox->lock);
 	return 0;
 }
@@ -1718,18 +1824,43 @@ int otx2_nix_config_bp(struct otx2_nic *pfvf, bool enable)
 		return -ENOMEM;
 
 	req->chan_base = 0;
-#ifdef CONFIG_DCB
-	req->chan_cnt = pfvf->pfc_en ? IEEE_8021QAZ_MAX_TCS : 1;
-	req->bpid_per_chan = pfvf->pfc_en ? 1 : 0;
-#else
-	req->chan_cnt =  1;
-	req->bpid_per_chan = 0;
-#endif
+	if (otx2_is_pfc_enabled(pfvf)) {
+		req->chan_cnt = IEEE_8021QAZ_MAX_TCS;
+		req->bpid_per_chan = 1;
+	} else {
+		req->chan_cnt = pfvf->hw.rx_chan_cnt;
+		req->bpid_per_chan = 0;
+	}
 
 	return otx2_sync_mbox_msg(&pfvf->mbox);
 }
 EXPORT_SYMBOL(otx2_nix_config_bp);
 
+int otx2_nix_cpt_config_bp(struct otx2_nic *pfvf, bool enable)
+{
+	struct nix_bp_cfg_req *req;
+
+	if (enable)
+		req = otx2_mbox_alloc_msg_nix_cpt_bp_enable(&pfvf->mbox);
+	else
+		req = otx2_mbox_alloc_msg_nix_cpt_bp_disable(&pfvf->mbox);
+
+	if (!req)
+		return -ENOMEM;
+
+	req->chan_base = 0;
+	if (otx2_is_pfc_enabled(pfvf)) {
+		req->chan_cnt = IEEE_8021QAZ_MAX_TCS;
+		req->bpid_per_chan = 1;
+	} else {
+		req->chan_cnt = pfvf->hw.rx_chan_cnt;
+		req->bpid_per_chan = 0;
+	}
+
+	return otx2_sync_mbox_msg(&pfvf->mbox);
+}
+EXPORT_SYMBOL(otx2_nix_cpt_config_bp);
+
 /* Mbox message handlers */
 void mbox_handler_cgx_stats(struct otx2_nic *pfvf,
 			    struct cgx_stats_rsp *rsp)
@@ -1763,6 +1894,8 @@ void mbox_handler_nix_lf_alloc(struct otx2_nic *pfvf,
 	pfvf->hw.sqb_size = rsp->sqb_size;
 	pfvf->hw.rx_chan_base = rsp->rx_chan_base;
 	pfvf->hw.tx_chan_base = rsp->tx_chan_base;
+	pfvf->hw.rx_chan_cnt = rsp->rx_chan_cnt;
+	pfvf->hw.tx_chan_cnt = rsp->tx_chan_cnt;
 	pfvf->hw.lso_tsov4_idx = rsp->lso_tsov4_idx;
 	pfvf->hw.lso_tsov6_idx = rsp->lso_tsov6_idx;
 	pfvf->hw.cgx_links = rsp->cgx_links;
@@ -1807,6 +1940,7 @@ void otx2_free_cints(struct otx2_nic *pfvf, int n)
 		free_irq(vector, &qset->napi[qidx]);
 	}
 }
+EXPORT_SYMBOL(otx2_free_cints);
 
 void otx2_set_cints_affinity(struct otx2_nic *pfvf)
 {
@@ -1862,6 +1996,10 @@ u16 otx2_get_max_mtu(struct otx2_nic *pfvf)
 	if (!rc) {
 		rsp = (struct nix_hw_info *)
 		       otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
+		if (IS_ERR(rsp)) {
+			rc = PTR_ERR(rsp);
+			goto out;
+		}
 
 		/* HW counts VLAN insertion bytes (8 for double tag)
 		 * irrespective of whether SQE is requesting to insert VLAN
@@ -1923,6 +2061,43 @@ int otx2_handle_ntuple_tc_features(struct net_device *netdev, netdev_features_t
 }
 EXPORT_SYMBOL(otx2_handle_ntuple_tc_features);
 
+int otx2_set_hw_capabilities(struct otx2_nic *pfvf)
+{
+	struct mbox *mbox = &pfvf->mbox;
+	struct otx2_hw *hw = &pfvf->hw;
+	struct get_hw_cap_rsp *rsp;
+	struct msg_req *req;
+	int ret = -ENOMEM;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_get_hw_cap(mbox);
+	if (!req)
+		goto fail;
+
+	ret = otx2_sync_mbox_msg(mbox);
+	if (ret)
+		goto fail;
+
+	rsp = (struct get_hw_cap_rsp *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+							 0, &req->hdr);
+	if (IS_ERR(rsp)) {
+		ret = -EINVAL;
+		goto fail;
+	}
+
+	if (rsp->hw_caps & HW_CAP_MACSEC)
+		__set_bit(CN10K_HW_MACSEC, &hw->cap_flag);
+
+	mutex_unlock(&mbox->lock);
+
+	return 0;
+fail:
+	dev_err(pfvf->dev, "Cannot get MACSEC capability from AF\n");
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
 #define M(_name, _id, _fn_name, _req_type, _rsp_type)			\
 int __weak								\
 otx2_mbox_up_handler_ ## _fn_name(struct otx2_nic *pfvf,		\
@@ -1936,3 +2111,48 @@ EXPORT_SYMBOL(otx2_mbox_up_handler_ ## _fn_name);
 MBOX_UP_CGX_MESSAGES
 MBOX_UP_MCS_MESSAGES
 #undef M
+
+dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf,
+				 struct sk_buff *skb, int seg, int *len)
+{
+	enum dma_data_direction dir = DMA_TO_DEVICE;
+	const skb_frag_t *frag;
+	struct page *page;
+	int offset;
+
+	/* Crypto hardware need write permission for ipsec crypto offload */
+	if (unlikely(xfrm_offload(skb))) {
+		dir = DMA_BIDIRECTIONAL;
+		skb = skb_unshare(skb, GFP_ATOMIC);
+	}
+
+	/* First segment is always skb->data */
+	if (!seg) {
+		page = virt_to_page(skb->data);
+		offset = offset_in_page(skb->data);
+		*len = skb_headlen(skb);
+	} else {
+		frag = &skb_shinfo(skb)->frags[seg - 1];
+		page = skb_frag_page(frag);
+		offset = skb_frag_off(frag);
+		*len = skb_frag_size(frag);
+	}
+	return otx2_dma_map_page(pfvf, page, offset, *len, dir);
+}
+
+void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg)
+{
+	enum dma_data_direction dir = DMA_TO_DEVICE;
+	struct sk_buff *skb = NULL;
+	int seg;
+
+	skb = (struct sk_buff *)sg->skb;
+	if (unlikely(xfrm_offload(skb)))
+		dir = DMA_BIDIRECTIONAL;
+
+	for (seg = 0; seg < sg->num_segs; seg++) {
+		otx2_dma_unmap_page(pfvf, sg->dma_addr[seg],
+				    sg->size[seg], dir);
+	}
+	sg->num_segs = 0;
+}