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From: Jingjing Wu <jingjing.wu@intel.com>
To: dev@dpdk.org
Date: Fri, 21 Nov 2014 08:46:44 +0800
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Subject: [dpdk-dev] [PATCH v6 10/22] i40e: report flow director match info
to mbuf
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setting the FDIR flag and report FD_ID plus flex bytes in mbuf if match
Signed-off-by: jingjing.wu <jingjing.wu@intel.com>
---
lib/librte_pmd_i40e/i40e_rxtx.c | 63 ++++++++++++++++++++++++++++++++++++++---
1 file changed, 59 insertions(+), 4 deletions(-)
diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
index 1c5cfd6..cce6911 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 |= (qword & (1 << I40E_RX_DESC_STATUS_FLM_SHIFT) ?
+ PKT_RX_FDIR : 0);
+
return flags;
}
@@ -410,6 +414,48 @@ i40e_rxd_ptype_to_pkt_flags(uint64_t qword)
return ip_ptype_map[ptype];
}
+#define I40E_RX_DESC_EXT_STATUS_FLEXBH_MASK 0x03
+#define I40E_RX_DESC_EXT_STATUS_FLEXBH_FD_ID 0x01
+#define I40E_RX_DESC_EXT_STATUS_FLEXBH_FLEX 0x02
+#define I40E_RX_DESC_EXT_STATUS_FLEXBL_MASK 0x03
+#define I40E_RX_DESC_EXT_STATUS_FLEXBL_FLEX 0x01
+
+static inline uint64_t
+i40e_rxd_build_fdir(volatile union i40e_rx_desc *rxdp, struct rte_mbuf *mb)
+{
+ uint64_t flags = 0;
+ uint16_t flexbh, flexbl;
+
+#ifdef RTE_LIBRTE_I40E_16BYTE_RX_DESC
+ mb->hash.fdir.hi =
+ rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.fd);
+ flags |= PKT_RX_FDIR_ID;
+#else
+ flexbh = (rte_le_to_cpu_32(rxdp->wb.qword2.ext_status) >>
+ I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+ I40E_RX_DESC_EXT_STATUS_FLEXBH_MASK;
+ flexbl = (rte_le_to_cpu_32(rxdp->wb.qword2.ext_status) >>
+ I40E_RX_DESC_EXT_STATUS_FLEXBL_SHIFT) &
+ I40E_RX_DESC_EXT_STATUS_FLEXBL_MASK;
+
+
+ if (flexbh == I40E_RX_DESC_EXT_STATUS_FLEXBH_FD_ID) {
+ mb->hash.fdir.hi =
+ rte_le_to_cpu_32(rxdp->wb.qword3.hi_dword.fd_id);
+ flags |= PKT_RX_FDIR_ID;
+ } else if (flexbh == I40E_RX_DESC_EXT_STATUS_FLEXBH_FLEX) {
+ mb->hash.fdir.hi =
+ rte_le_to_cpu_32(rxdp->wb.qword3.hi_dword.flex_bytes_hi);
+ flags |= PKT_RX_FDIR_FLX;
+ }
+ if (flexbl == I40E_RX_DESC_EXT_STATUS_FLEXBL_FLEX) {
+ mb->hash.fdir.lo =
+ rte_le_to_cpu_32(rxdp->wb.qword3.lo_dword.flex_bytes_lo);
+ flags |= PKT_RX_FDIR_FLX;
+ }
+#endif
+ return flags;
+}
static inline void
i40e_txd_enable_checksum(uint64_t ol_flags,
uint32_t *td_cmd,
@@ -661,14 +707,17 @@ 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);
+ rxdp[j].wb.qword0.hi_dword.rss);
+ if (pkt_flags & PKT_RX_FDIR)
+ pkt_flags |= i40e_rxd_build_fdir(&rxdp[j], mb);
+
+ mb->ol_flags = pkt_flags;
}
for (j = 0; j < I40E_LOOK_AHEAD; j++)
@@ -903,10 +952,13 @@ 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)
+ pkt_flags |= i40e_rxd_build_fdir(&rxd, rxm);
+
+ rxm->ol_flags = pkt_flags;
rx_pkts[nb_rx++] = rxm;
}
@@ -1060,10 +1112,13 @@ 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)
+ pkt_flags |= i40e_rxd_build_fdir(&rxd, rxm);
+
+ 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