[dpdk-dev] [PATCH v6 07/11] net/iavf: support flow mark in normal data path
Leyi Rong
leyi.rong at intel.com
Mon Apr 20 08:16:21 CEST 2020
Support Flow Director mark ID parsing in normal path.
Signed-off-by: Leyi Rong <leyi.rong at intel.com>
---
drivers/net/iavf/iavf.h | 3 +++
drivers/net/iavf/iavf_rxtx.c | 51 +++++++++++++++++++++++++++++++-----
2 files changed, 47 insertions(+), 7 deletions(-)
diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h
index 17ceff734..78bdaff20 100644
--- a/drivers/net/iavf/iavf.h
+++ b/drivers/net/iavf/iavf.h
@@ -67,6 +67,9 @@
#define IAVF_48_BIT_WIDTH (CHAR_BIT * 6)
#define IAVF_48_BIT_MASK RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t)
+#define IAVF_RX_DESC_EXT_STATUS_FLEXBH_MASK 0x03
+#define IAVF_RX_DESC_EXT_STATUS_FLEXBH_FD_ID 0x01
+
struct iavf_adapter;
struct iavf_rx_queue;
struct iavf_tx_queue;
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 92bf4cf8b..42b5f398e 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -756,6 +756,10 @@ iavf_rxd_to_pkt_flags(uint64_t qword)
IAVF_RX_DESC_FLTSTAT_RSS_HASH) ==
IAVF_RX_DESC_FLTSTAT_RSS_HASH) ? PKT_RX_RSS_HASH : 0;
+ /* Check if FDIR Match */
+ flags |= (qword & (1 << IAVF_RX_DESC_STATUS_FLM_SHIFT) ?
+ PKT_RX_FDIR : 0);
+
if (likely((error_bits & IAVF_RX_ERR_BITS) == 0)) {
flags |= (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD);
return flags;
@@ -776,7 +780,31 @@ iavf_rxd_to_pkt_flags(uint64_t qword)
return flags;
}
+static inline uint64_t
+iavf_rxd_build_fdir(volatile union iavf_rx_desc *rxdp, struct rte_mbuf *mb)
+{
+ uint64_t flags = 0;
#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
+ uint16_t flexbh;
+
+ flexbh = (rte_le_to_cpu_32(rxdp->wb.qword2.ext_status) >>
+ IAVF_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
+ IAVF_RX_DESC_EXT_STATUS_FLEXBH_MASK;
+
+ if (flexbh == IAVF_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
+ mb->hash.fdir.hi =
+ rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.fd_id);
+ flags |= PKT_RX_FDIR_ID;
+#endif
+ return flags;
+}
+
+
/* Translate the rx flex descriptor status to pkt flags */
static inline void
iavf_rxd_to_pkt_fields(struct rte_mbuf *mb,
@@ -784,6 +812,7 @@ iavf_rxd_to_pkt_fields(struct rte_mbuf *mb,
{
volatile struct iavf_32b_rx_flex_desc_comms_ovs *desc =
(volatile struct iavf_32b_rx_flex_desc_comms_ovs *)rxdp;
+#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
uint16_t stat_err;
stat_err = rte_le_to_cpu_16(desc->status_error0);
@@ -791,9 +820,14 @@ iavf_rxd_to_pkt_fields(struct rte_mbuf *mb,
mb->ol_flags |= PKT_RX_RSS_HASH;
mb->hash.rss = rte_le_to_cpu_32(desc->rss_hash);
}
-}
#endif
+ if (desc->flow_id != 0xFFFFFFFF) {
+ mb->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
+ mb->hash.fdir.hi = rte_le_to_cpu_32(desc->flow_id);
+ }
+}
+
#define IAVF_RX_FLEX_ERR0_BITS \
((1 << IAVF_RX_FLEX_DESC_STATUS0_HBO_S) | \
(1 << IAVF_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) | \
@@ -951,6 +985,9 @@ iavf_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rxm->hash.rss =
rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
+ if (pkt_flags & PKT_RX_FDIR)
+ pkt_flags |= iavf_rxd_build_fdir(&rxd, rxm);
+
rxm->ol_flags |= pkt_flags;
rx_pkts[nb_rx++] = rxm;
@@ -1047,9 +1084,7 @@ iavf_recv_pkts_flex_rxd(void *rx_queue,
rxm->packet_type = ptype_tbl[IAVF_RX_FLEX_DESC_PTYPE_M &
rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)];
iavf_flex_rxd_to_vlan_tci(rxm, &rxd);
-#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
iavf_rxd_to_pkt_fields(rxm, &rxd);
-#endif
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(rx_stat_err0);
rxm->ol_flags |= pkt_flags;
@@ -1191,9 +1226,7 @@ iavf_recv_scattered_pkts_flex_rxd(void *rx_queue, struct rte_mbuf **rx_pkts,
first_seg->packet_type = ptype_tbl[IAVF_RX_FLEX_DESC_PTYPE_M &
rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)];
iavf_flex_rxd_to_vlan_tci(first_seg, &rxd);
-#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
iavf_rxd_to_pkt_fields(first_seg, &rxd);
-#endif
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(rx_stat_err0);
first_seg->ol_flags |= pkt_flags;
@@ -1353,6 +1386,9 @@ iavf_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
first_seg->hash.rss =
rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
+ if (pkt_flags & PKT_RX_FDIR)
+ pkt_flags |= iavf_rxd_build_fdir(&rxd, first_seg);
+
first_seg->ol_flags |= pkt_flags;
/* Prefetch data of first segment, if configured to do so. */
@@ -1428,9 +1464,7 @@ iavf_rx_scan_hw_ring_flex_rxd(struct iavf_rx_queue *rxq)
mb->packet_type = ptype_tbl[IAVF_RX_FLEX_DESC_PTYPE_M &
rte_le_to_cpu_16(rxdp[j].wb.ptype_flex_flags0)];
iavf_flex_rxd_to_vlan_tci(mb, &rxdp[j]);
-#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
iavf_rxd_to_pkt_fields(mb, &rxdp[j]);
-#endif
stat_err0 = rte_le_to_cpu_16(rxdp[j].wb.status_error0);
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(stat_err0);
@@ -1521,6 +1555,9 @@ iavf_rx_scan_hw_ring(struct iavf_rx_queue *rxq)
mb->hash.rss = rte_le_to_cpu_32(
rxdp[j].wb.qword0.hi_dword.rss);
+ if (pkt_flags & PKT_RX_FDIR)
+ pkt_flags |= iavf_rxd_build_fdir(&rxdp[j], mb);
+
mb->ol_flags |= pkt_flags;
}
--
2.17.1
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