New upstream version 17.11-rc3

Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 16 insertions, 11 deletions

diff --git a/drivers/net/i40e/i40e_rxtx_vec_neon.c b/drivers/net/i40e/i40e_rxtx_vec_neon.c
index 694e91f3..b5685e2b 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_neon.c
+++ b/drivers/net/i40e/i40e_rxtx_vec_neon.c
@@ -81,13 +81,13 @@ i40e_rxq_rearm(struct i40e_rx_queue *rxq)
 		mb0 = rxep[0].mbuf;
 		mb1 = rxep[1].mbuf;
 
-		paddr = mb0->buf_physaddr + RTE_PKTMBUF_HEADROOM;
+		paddr = mb0->buf_iova + RTE_PKTMBUF_HEADROOM;
 		dma_addr0 = vdupq_n_u64(paddr);
 
 		/* flush desc with pa dma_addr */
 		vst1q_u64((uint64_t *)&rxdp++->read, dma_addr0);
 
-		paddr = mb1->buf_physaddr + RTE_PKTMBUF_HEADROOM;
+		paddr = mb1->buf_iova + RTE_PKTMBUF_HEADROOM;
 		dma_addr1 = vdupq_n_u64(paddr);
 		vst1q_u64((uint64_t *)&rxdp++->read, dma_addr1);
 	}
@@ -137,7 +137,7 @@ desc_to_olflags_v(struct i40e_rx_queue *rxq, uint64x2_t descs[4],
 	/* map rss and vlan type to rss hash and vlan flag */
 	const uint8x16_t vlan_flags = {
 			0, 0, 0, 0,
-			PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED, 0, 0, 0,
+			PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED, 0, 0, 0,
 			0, 0, 0, 0,
 			0, 0, 0, 0};
 
@@ -197,8 +197,7 @@ desc_to_olflags_v(struct i40e_rx_queue *rxq, uint64x2_t descs[4],
 }
 
 #define PKTLEN_SHIFT     10
-
-#define I40E_VPMD_DESC_DD_MASK	0x0001000100010001ULL
+#define I40E_UINT16_BIT (CHAR_BIT * sizeof(uint16_t))
 
 static inline void
 desc_to_ptype_v(uint64x2_t descs[4], struct rte_mbuf **rx_pkts,
@@ -230,7 +229,6 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 	struct i40e_rx_entry *sw_ring;
 	uint16_t nb_pkts_recd;
 	int pos;
-	uint64_t var;
 	uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
 
 	/* mask to shuffle from desc. to mbuf */
@@ -364,7 +362,6 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 		/* C.2 get 4 pkts staterr value  */
 		staterr = vzipq_u16(sterr_tmp1.val[1],
 				    sterr_tmp2.val[1]).val[0];
-		stat = vgetq_lane_u64(vreinterpretq_u64_u16(staterr), 0);
 
 		desc_to_olflags_v(rxq, descs, &rx_pkts[pos]);
 
@@ -429,6 +426,12 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 			rx_pkts[pos + 3]->next = NULL;
 		}
 
+		staterr = vshlq_n_u16(staterr, I40E_UINT16_BIT - 1);
+		staterr = vreinterpretq_u16_s16(
+				vshrq_n_s16(vreinterpretq_s16_u16(staterr),
+					    I40E_UINT16_BIT - 1));
+		stat = ~vgetq_lane_u64(vreinterpretq_u64_u16(staterr), 0);
+
 		rte_prefetch_non_temporal(rxdp + RTE_I40E_DESCS_PER_LOOP);
 
 		/* D.3 copy final 1,2 data to rx_pkts */
@@ -438,10 +441,12 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 			 pkt_mb1);
 		desc_to_ptype_v(descs, &rx_pkts[pos], ptype_tbl);
 		/* C.4 calc avaialbe number of desc */
-		var = __builtin_popcountll(stat & I40E_VPMD_DESC_DD_MASK);
-		nb_pkts_recd += var;
-		if (likely(var != RTE_I40E_DESCS_PER_LOOP))
+		if (unlikely(stat == 0)) {
+			nb_pkts_recd += RTE_I40E_DESCS_PER_LOOP;
+		} else {
+			nb_pkts_recd += __builtin_ctzl(stat) / I40E_UINT16_BIT;
 			break;
+		}
 	}
 
 	/* Update our internal tail pointer */
@@ -515,7 +520,7 @@ vtx1(volatile struct i40e_tx_desc *txdp,
 			((uint64_t)flags  << I40E_TXD_QW1_CMD_SHIFT) |
 			((uint64_t)pkt->data_len << I40E_TXD_QW1_TX_BUF_SZ_SHIFT));
 
-	uint64x2_t descriptor = {pkt->buf_physaddr + pkt->data_off, high_qw};
+	uint64x2_t descriptor = {pkt->buf_iova + pkt->data_off, high_qw};
 	vst1q_u64((uint64_t *)txdp, descriptor);
 }