net/bnxt: fix supporting zero mark ID with RSS action

[dpdk.git] / drivers / net / bnxt / bnxt_rxr.c

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index 3b713c2..1960b05 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -488,10 +488,10 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
        if (flags_type & RX_PKT_CMPL_FLAGS_RSS_VALID) {
                mbuf->hash.rss = rxcmp->rss_hash;
                mbuf->ol_flags |= PKT_RX_RSS_HASH;
-       } else {
-               mbuf->hash.fdir.id = rxcmp1->cfa_code;
-               mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
        }
+
+       bnxt_set_mark_in_mbuf(rxq->bp, rxcmp1, mbuf);
+
 #ifdef RTE_LIBRTE_IEEE1588
        if (unlikely((flags_type & RX_PKT_CMPL_FLAGS_MASK) ==
                     RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP)) {
@@ -895,3 +895,47 @@ int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq)
 
        return 0;
 }
+
+void bnxt_set_mark_in_mbuf(struct bnxt *bp,
+                          struct rx_pkt_cmpl_hi *rxcmp1,
+                          struct rte_mbuf *mbuf)
+{
+       uint32_t cfa_code = 0;
+       uint8_t meta_fmt =  0;
+       uint16_t flags2 = 0;
+       uint32_t meta =  0;
+
+       cfa_code = rte_le_to_cpu_16(rxcmp1->cfa_code);
+       if (!cfa_code)
+               return;
+
+       if (cfa_code && !bp->mark_table[cfa_code].valid) {
+               PMD_DRV_LOG(WARNING, "Invalid mark_tbl entry! cfa_code: 0x%x\n",
+                           cfa_code);
+               return;
+       }
+
+       flags2 = rte_le_to_cpu_16(rxcmp1->flags2);
+       meta = rte_le_to_cpu_32(rxcmp1->metadata);
+       if (meta) {
+               meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
+
+               /*
+                * The flags field holds extra bits of info from [6:4]
+                * which indicate if the flow is in TCAM or EM or EEM
+                */
+               meta_fmt = (flags2 & BNXT_CFA_META_FMT_MASK) >>
+                          BNXT_CFA_META_FMT_SHFT;
+
+               /*
+                * meta_fmt == 4 => 'b100 => 'b10x => EM.
+                * meta_fmt == 5 => 'b101 => 'b10x => EM + VLAN
+                * meta_fmt == 6 => 'b110 => 'b11x => EEM
+                * meta_fmt == 7 => 'b111 => 'b11x => EEM + VLAN.
+                */
+               meta_fmt >>= BNXT_CFA_META_FMT_EM_EEM_SHFT;
+       }
+
+       mbuf->hash.fdir.hi = bp->mark_table[cfa_code].mark_id;
+       mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
+}