[dpdk-dev] [PATCH v5 09/21] i40e: report flow director match info to mbuf

Jingjing Wu jingjing.wu at intel.com
Thu Oct 30 08:26:34 CET 2014


Set the FDIR information in mbuf if match

Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
 lib/librte_pmd_i40e/i40e_rxtx.c | 99 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 95 insertions(+), 4 deletions(-)

diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
index f2334de..20e35a4 100644
--- a/lib/librte_pmd_i40e/i40e_rxtx.c
+++ b/lib/librte_pmd_i40e/i40e_rxtx.c
@@ -105,6 +105,10 @@ i40e_rxd_status_to_pkt_flags(uint64_t qword)
 					I40E_RX_DESC_FLTSTAT_RSS_HASH) ==
 			I40E_RX_DESC_FLTSTAT_RSS_HASH) ? PKT_RX_RSS_HASH : 0;
 
+	/* Check if FDIR Match */
+	flags |= (uint16_t)(qword & (1 << I40E_RX_DESC_STATUS_FLM_SHIFT) ?
+							PKT_RX_FDIR : 0);
+
 	return flags;
 }
 
@@ -661,14 +665,41 @@ i40e_rx_scan_hw_ring(struct i40e_rx_queue *rxq)
 			pkt_flags = i40e_rxd_status_to_pkt_flags(qword1);
 			pkt_flags |= i40e_rxd_error_to_pkt_flags(qword1);
 			pkt_flags |= i40e_rxd_ptype_to_pkt_flags(qword1);
-			mb->ol_flags = pkt_flags;
-
 			mb->packet_type = (uint16_t)((qword1 &
 					I40E_RXD_QW1_PTYPE_MASK) >>
 					I40E_RXD_QW1_PTYPE_SHIFT);
 			if (pkt_flags & PKT_RX_RSS_HASH)
 				mb->hash.rss = rte_le_to_cpu_32(\
 					rxdp->wb.qword0.hi_dword.rss);
+
+			if (pkt_flags & PKT_RX_FDIR) {
+#ifdef RTE_LIBRTE_I40E_16BYTE_RX_DESC
+				mb->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxdp[j].wb.qword0.hi_dword.fd);
+				pkt_flags |= PKT_RX_FDIR_ID;
+#else
+				if (((rxdp[j].wb.qword2.ext_status >>
+					I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+					0x03) == 0x01) {
+					mb->hash.fdir.hi =
+						rte_le_to_cpu_32(\
+						rxdp[j].wb.qword3.hi_dword.fd_id);
+					pkt_flags |= PKT_RX_FDIR_ID;
+				} else if (((rxdp[j].wb.qword2.ext_status >>
+					I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+					0x03) == 0x02) {
+					mb->hash.fdir.hi =
+						rte_le_to_cpu_32(\
+						rxdp[j].wb.qword3.hi_dword.flex_bytes_hi);
+					pkt_flags |= PKT_RX_FDIR_FLX;
+				}
+				mb->hash.fdir.lo =
+					rte_le_to_cpu_32(\
+					rxdp[j].wb.qword3.lo_dword.flex_bytes_lo);
+#endif
+			}
+			mb->ol_flags = pkt_flags;
 		}
 
 		for (j = 0; j < I40E_LOOK_AHEAD; j++)
@@ -903,10 +934,40 @@ i40e_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 		pkt_flags |= i40e_rxd_ptype_to_pkt_flags(qword1);
 		rxm->packet_type = (uint16_t)((qword1 & I40E_RXD_QW1_PTYPE_MASK) >>
 				I40E_RXD_QW1_PTYPE_SHIFT);
-		rxm->ol_flags = pkt_flags;
 		if (pkt_flags & PKT_RX_RSS_HASH)
 			rxm->hash.rss =
 				rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
+		if (pkt_flags & PKT_RX_FDIR) {
+#ifdef RTE_LIBRTE_I40E_16BYTE_RX_DESC
+				rxm->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword0.hi_dword.fd);
+				pkt_flags |= PKT_RX_FDIR_ID;
+#else
+			if (((rxd.wb.qword2.ext_status >>
+				I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+				0x03) == 0x01) {
+				rxm->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword3.hi_dword.fd_id);
+				pkt_flags |= PKT_RX_FDIR_ID;
+			} else if (((rxd.wb.qword2.ext_status >>
+				I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+				0x03) == 0x02) {
+				rxm->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword3.hi_dword.flex_bytes_hi);
+				pkt_flags |= PKT_RX_FDIR_FLX;
+			}
+			if (((rxd.wb.qword2.ext_status >>
+				I40E_RX_DESC_EXT_STATUS_FLEXBL_SHIFT) &
+				0x03) == 0x01)
+				rxm->hash.fdir.lo =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword3.lo_dword.flex_bytes_lo);
+#endif
+		}
+		rxm->ol_flags = pkt_flags;
 
 		rx_pkts[nb_rx++] = rxm;
 	}
@@ -1060,10 +1121,40 @@ i40e_recv_scattered_pkts(void *rx_queue,
 		first_seg->packet_type = (uint16_t)((qword1 &
 					I40E_RXD_QW1_PTYPE_MASK) >>
 					I40E_RXD_QW1_PTYPE_SHIFT);
-		first_seg->ol_flags = pkt_flags;
 		if (pkt_flags & PKT_RX_RSS_HASH)
 			rxm->hash.rss =
 				rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
+		if (pkt_flags & PKT_RX_FDIR) {
+#ifdef RTE_LIBRTE_I40E_16BYTE_RX_DESC
+				rxm->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword0.hi_dword.fd);
+				pkt_flags |= PKT_RX_FDIR_ID;
+#else
+			if (((rxd.wb.qword2.ext_status >>
+				I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+				0x03) == 0x01) {
+				rxm->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword3.hi_dword.fd_id);
+				pkt_flags |= PKT_RX_FDIR_ID;
+			} else if (((rxd.wb.qword2.ext_status >>
+				I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+				0x03) == 0x02) {
+				rxm->hash.fdir.hi =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword3.hi_dword.flex_bytes_hi);
+				pkt_flags |= PKT_RX_FDIR_FLX;
+			}
+			if (((rxd.wb.qword2.ext_status >>
+				I40E_RX_DESC_EXT_STATUS_FLEXBL_SHIFT) &
+				0x03) == 0x01)
+				rxm->hash.fdir.lo =
+					rte_le_to_cpu_32(\
+					rxd.wb.qword3.lo_dword.flex_bytes_lo);
+#endif
+		}
+		first_seg->ol_flags = pkt_flags;
 
 		/* Prefetch data of first segment, if configured to do so. */
 		rte_prefetch0(RTE_PTR_ADD(first_seg->buf_addr,
-- 
1.8.1.4



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