net/bnxt: fix Rx next consumer index in mbuf alloc fail
[dpdk.git] / drivers / net / bnxt / bnxt_rxr.c
index 4eef75f..e2f09ad 100644 (file)
@@ -10,6 +10,7 @@
 #include <rte_byteorder.h>
 #include <rte_malloc.h>
 #include <rte_memory.h>
+#include <rte_alarm.h>
 
 #include "bnxt.h"
 #include "bnxt_reps.h"
@@ -17,9 +18,7 @@
 #include "bnxt_rxr.h"
 #include "bnxt_rxq.h"
 #include "hsi_struct_def_dpdk.h"
-#ifdef RTE_LIBRTE_IEEE1588
 #include "bnxt_hwrm.h"
-#endif
 
 #include <bnxt_tf_common.h>
 #include <ulp_mark_mgr.h>
@@ -134,6 +133,51 @@ struct rte_mbuf *bnxt_consume_rx_buf(struct bnxt_rx_ring_info *rxr,
        return mbuf;
 }
 
+static void bnxt_rx_ring_reset(void *arg)
+{
+       struct bnxt *bp = arg;
+       int i, rc = 0;
+       struct bnxt_rx_queue *rxq;
+
+
+       for (i = 0; i < (int)bp->rx_nr_rings; i++) {
+               struct bnxt_rx_ring_info *rxr;
+
+               rxq = bp->rx_queues[i];
+               if (!rxq || !rxq->in_reset)
+                       continue;
+
+               rxr = rxq->rx_ring;
+               /* Disable and flush TPA before resetting the RX ring */
+               if (rxr->tpa_info)
+                       bnxt_hwrm_vnic_tpa_cfg(bp, rxq->vnic, false);
+               rc = bnxt_hwrm_rx_ring_reset(bp, i);
+               if (rc) {
+                       PMD_DRV_LOG(ERR, "Rx ring%d reset failed\n", i);
+                       continue;
+               }
+
+               bnxt_rx_queue_release_mbufs(rxq);
+               rxr->rx_raw_prod = 0;
+               rxr->ag_raw_prod = 0;
+               rxr->rx_next_cons = 0;
+               bnxt_init_one_rx_ring(rxq);
+               bnxt_db_write(&rxr->rx_db, rxr->rx_raw_prod);
+               bnxt_db_write(&rxr->ag_db, rxr->ag_raw_prod);
+               if (rxr->tpa_info)
+                       bnxt_hwrm_vnic_tpa_cfg(bp, rxq->vnic, true);
+
+               rxq->in_reset = 0;
+       }
+}
+
+
+static void bnxt_sched_ring_reset(struct bnxt_rx_queue *rxq)
+{
+       rxq->in_reset = 1;
+       rte_eal_alarm_set(1, bnxt_rx_ring_reset, (void *)rxq->bp);
+}
+
 static void bnxt_tpa_get_metadata(struct bnxt *bp,
                                  struct bnxt_tpa_info *tpa_info,
                                  struct rx_tpa_start_cmpl *tpa_start,
@@ -195,6 +239,12 @@ static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
 
        data_cons = tpa_start->opaque;
        tpa_info = &rxr->tpa_info[agg_id];
+       if (unlikely(data_cons != rxr->rx_next_cons)) {
+               PMD_DRV_LOG(ERR, "TPA cons %x, expected cons %x\n",
+                           data_cons, rxr->rx_next_cons);
+               bnxt_sched_ring_reset(rxq);
+               return;
+       }
 
        mbuf = bnxt_consume_rx_buf(rxr, data_cons);
 
@@ -210,29 +260,32 @@ static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
        mbuf->pkt_len = rte_le_to_cpu_32(tpa_start->len);
        mbuf->data_len = mbuf->pkt_len;
        mbuf->port = rxq->port_id;
-       mbuf->ol_flags = PKT_RX_LRO;
+       mbuf->ol_flags = RTE_MBUF_F_RX_LRO;
 
        bnxt_tpa_get_metadata(rxq->bp, tpa_info, tpa_start, tpa_start1);
 
        if (likely(tpa_info->hash_valid)) {
                mbuf->hash.rss = tpa_info->rss_hash;
-               mbuf->ol_flags |= PKT_RX_RSS_HASH;
+               mbuf->ol_flags |= RTE_MBUF_F_RX_RSS_HASH;
        } else if (tpa_info->cfa_code_valid) {
                mbuf->hash.fdir.id = tpa_info->cfa_code;
-               mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
+               mbuf->ol_flags |= RTE_MBUF_F_RX_FDIR | RTE_MBUF_F_RX_FDIR_ID;
        }
 
-       if (tpa_info->vlan_valid) {
+       if (tpa_info->vlan_valid && BNXT_RX_VLAN_STRIP_EN(rxq->bp)) {
                mbuf->vlan_tci = tpa_info->vlan;
-               mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
+               mbuf->ol_flags |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
        }
 
        if (likely(tpa_info->l4_csum_valid))
-               mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+               mbuf->ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_GOOD;
 
        /* recycle next mbuf */
        data_cons = RING_NEXT(data_cons);
        bnxt_reuse_rx_mbuf(rxr, bnxt_consume_rx_buf(rxr, data_cons));
+
+       rxr->rx_next_cons = RING_IDX(rxr->rx_ring_struct,
+                                    RING_NEXT(data_cons));
 }
 
 static int bnxt_agg_bufs_valid(struct bnxt_cp_ring_info *cpr,
@@ -244,10 +297,8 @@ static int bnxt_agg_bufs_valid(struct bnxt_cp_ring_info *cpr,
        raw_cp_cons = ADV_RAW_CMP(raw_cp_cons, agg_bufs);
        last_cp_cons = RING_CMP(cpr->cp_ring_struct, raw_cp_cons);
        agg_cmpl = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[last_cp_cons];
-       cpr->valid = FLIP_VALID(raw_cp_cons,
-                               cpr->cp_ring_struct->ring_mask,
-                               cpr->valid);
-       return CMP_VALID(agg_cmpl, raw_cp_cons, cpr->cp_ring_struct);
+       return bnxt_cpr_cmp_valid(agg_cmpl, raw_cp_cons,
+                                 cpr->cp_ring_struct->ring_size);
 }
 
 /* TPA consume agg buffer out of order, allocate connected data only */
@@ -330,6 +381,34 @@ static int bnxt_rx_pages(struct bnxt_rx_queue *rxq,
        return 0;
 }
 
+static int bnxt_discard_rx(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
+                          uint32_t *raw_cons, void *cmp)
+{
+       struct rx_pkt_cmpl *rxcmp = cmp;
+       uint32_t tmp_raw_cons = *raw_cons;
+       uint8_t cmp_type, agg_bufs = 0;
+
+       cmp_type = CMP_TYPE(rxcmp);
+
+       if (cmp_type == CMPL_BASE_TYPE_RX_L2) {
+               agg_bufs = BNXT_RX_L2_AGG_BUFS(rxcmp);
+       } else if (cmp_type == RX_TPA_END_CMPL_TYPE_RX_TPA_END) {
+               struct rx_tpa_end_cmpl *tpa_end = cmp;
+
+               if (BNXT_CHIP_P5(bp))
+                       return 0;
+
+               agg_bufs = BNXT_TPA_END_AGG_BUFS(tpa_end);
+       }
+
+       if (agg_bufs) {
+               if (!bnxt_agg_bufs_valid(cpr, agg_bufs, tmp_raw_cons))
+                       return -EBUSY;
+       }
+       *raw_cons = tmp_raw_cons;
+       return 0;
+}
+
 static inline struct rte_mbuf *bnxt_tpa_end(
                struct bnxt_rx_queue *rxq,
                uint32_t *raw_cp_cons,
@@ -344,6 +423,13 @@ static inline struct rte_mbuf *bnxt_tpa_end(
        uint8_t payload_offset;
        struct bnxt_tpa_info *tpa_info;
 
+       if (unlikely(rxq->in_reset)) {
+               PMD_DRV_LOG(ERR, "rxq->in_reset: raw_cp_cons:%d\n",
+                           *raw_cp_cons);
+               bnxt_discard_rx(rxq->bp, cpr, raw_cp_cons, tpa_end);
+               return NULL;
+       }
+
        if (BNXT_CHIP_P5(rxq->bp)) {
                struct rx_tpa_v2_end_cmpl *th_tpa_end;
                struct rx_tpa_v2_end_cmpl_hi *th_tpa_end1;
@@ -480,42 +566,44 @@ bnxt_init_ol_flags_tables(struct bnxt_rx_queue *rxq)
        dev_conf = &rxq->bp->eth_dev->data->dev_conf;
        offloads = dev_conf->rxmode.offloads;
 
-       outer_cksum_enabled = !!(offloads & (DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
-                                            DEV_RX_OFFLOAD_OUTER_UDP_CKSUM));
+       outer_cksum_enabled = !!(offloads & (RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM |
+                                            RTE_ETH_RX_OFFLOAD_OUTER_UDP_CKSUM));
 
        /* Initialize ol_flags table. */
        pt = rxr->ol_flags_table;
        for (i = 0; i < BNXT_OL_FLAGS_TBL_DIM; i++) {
                pt[i] = 0;
 
-               if (i & RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN)
-                       pt[i] |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
+               if (BNXT_RX_VLAN_STRIP_EN(rxq->bp)) {
+                       if (i & RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN)
+                               pt[i] |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
+               }
 
                if (i & (RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC << 3)) {
                        /* Tunnel case. */
                        if (outer_cksum_enabled) {
                                if (i & RX_PKT_CMPL_FLAGS2_IP_CS_CALC)
-                                       pt[i] |= PKT_RX_IP_CKSUM_GOOD;
+                                       pt[i] |= RTE_MBUF_F_RX_IP_CKSUM_GOOD;
 
                                if (i & RX_PKT_CMPL_FLAGS2_L4_CS_CALC)
-                                       pt[i] |= PKT_RX_L4_CKSUM_GOOD;
+                                       pt[i] |= RTE_MBUF_F_RX_L4_CKSUM_GOOD;
 
                                if (i & RX_PKT_CMPL_FLAGS2_T_L4_CS_CALC)
-                                       pt[i] |= PKT_RX_OUTER_L4_CKSUM_GOOD;
+                                       pt[i] |= RTE_MBUF_F_RX_OUTER_L4_CKSUM_GOOD;
                        } else {
                                if (i & RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC)
-                                       pt[i] |= PKT_RX_IP_CKSUM_GOOD;
+                                       pt[i] |= RTE_MBUF_F_RX_IP_CKSUM_GOOD;
 
                                if (i & RX_PKT_CMPL_FLAGS2_T_L4_CS_CALC)
-                                       pt[i] |= PKT_RX_L4_CKSUM_GOOD;
+                                       pt[i] |= RTE_MBUF_F_RX_L4_CKSUM_GOOD;
                        }
                } else {
                        /* Non-tunnel case. */
                        if (i & RX_PKT_CMPL_FLAGS2_IP_CS_CALC)
-                               pt[i] |= PKT_RX_IP_CKSUM_GOOD;
+                               pt[i] |= RTE_MBUF_F_RX_IP_CKSUM_GOOD;
 
                        if (i & RX_PKT_CMPL_FLAGS2_L4_CS_CALC)
-                               pt[i] |= PKT_RX_L4_CKSUM_GOOD;
+                               pt[i] |= RTE_MBUF_F_RX_L4_CKSUM_GOOD;
                }
        }
 
@@ -528,30 +616,30 @@ bnxt_init_ol_flags_tables(struct bnxt_rx_queue *rxq)
                        /* Tunnel case. */
                        if (outer_cksum_enabled) {
                                if (i & (RX_PKT_CMPL_ERRORS_IP_CS_ERROR >> 4))
-                                       pt[i] |= PKT_RX_IP_CKSUM_BAD;
+                                       pt[i] |= RTE_MBUF_F_RX_IP_CKSUM_BAD;
 
                                if (i & (RX_PKT_CMPL_ERRORS_T_IP_CS_ERROR >> 4))
-                                       pt[i] |= PKT_RX_OUTER_IP_CKSUM_BAD;
+                                       pt[i] |= RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD;
 
                                if (i & (RX_PKT_CMPL_ERRORS_L4_CS_ERROR >> 4))
-                                       pt[i] |= PKT_RX_L4_CKSUM_BAD;
+                                       pt[i] |= RTE_MBUF_F_RX_L4_CKSUM_BAD;
 
                                if (i & (RX_PKT_CMPL_ERRORS_T_L4_CS_ERROR >> 4))
-                                       pt[i] |= PKT_RX_OUTER_L4_CKSUM_BAD;
+                                       pt[i] |= RTE_MBUF_F_RX_OUTER_L4_CKSUM_BAD;
                        } else {
                                if (i & (RX_PKT_CMPL_ERRORS_T_IP_CS_ERROR >> 4))
-                                       pt[i] |= PKT_RX_IP_CKSUM_BAD;
+                                       pt[i] |= RTE_MBUF_F_RX_IP_CKSUM_BAD;
 
                                if (i & (RX_PKT_CMPL_ERRORS_T_L4_CS_ERROR >> 4))
-                                       pt[i] |= PKT_RX_L4_CKSUM_BAD;
+                                       pt[i] |= RTE_MBUF_F_RX_L4_CKSUM_BAD;
                        }
                } else {
                        /* Non-tunnel case. */
                        if (i & (RX_PKT_CMPL_ERRORS_IP_CS_ERROR >> 4))
-                               pt[i] |= PKT_RX_IP_CKSUM_BAD;
+                               pt[i] |= RTE_MBUF_F_RX_IP_CKSUM_BAD;
 
                        if (i & (RX_PKT_CMPL_ERRORS_L4_CS_ERROR >> 4))
-                               pt[i] |= PKT_RX_L4_CKSUM_BAD;
+                               pt[i] |= RTE_MBUF_F_RX_L4_CKSUM_BAD;
                }
        }
 }
@@ -589,13 +677,13 @@ bnxt_set_ol_flags(struct bnxt_rx_ring_info *rxr, struct rx_pkt_cmpl *rxcmp,
 
        if (flags_type & RX_PKT_CMPL_FLAGS_RSS_VALID) {
                mbuf->hash.rss = rte_le_to_cpu_32(rxcmp->rss_hash);
-               ol_flags |= PKT_RX_RSS_HASH;
+               ol_flags |= RTE_MBUF_F_RX_RSS_HASH;
        }
 
 #ifdef RTE_LIBRTE_IEEE1588
        if (unlikely((flags_type & RX_PKT_CMPL_FLAGS_MASK) ==
                     RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP))
-               ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST;
+               ol_flags |= RTE_MBUF_F_RX_IEEE1588_PTP | RTE_MBUF_F_RX_IEEE1588_TMST;
 #endif
 
        mbuf->ol_flags = ol_flags;
@@ -719,7 +807,7 @@ bnxt_ulp_set_mark_in_mbuf(struct bnxt *bp, struct rx_pkt_cmpl_hi *rxcmp1,
                mbuf->hash.fdir.hi = mark_id;
                *bnxt_cfa_code_dynfield(mbuf) = cfa_code & 0xffffffffull;
                mbuf->hash.fdir.id = rxcmp1->cfa_code;
-               mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
+               mbuf->ol_flags |= RTE_MBUF_F_RX_FDIR | RTE_MBUF_F_RX_FDIR_ID;
                return mark_id;
        }
 
@@ -735,9 +823,6 @@ void bnxt_set_mark_in_mbuf(struct bnxt *bp,
                           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)
@@ -746,27 +831,8 @@ void bnxt_set_mark_in_mbuf(struct bnxt *bp,
        if (cfa_code && !bp->mark_table[cfa_code].valid)
                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;
+       mbuf->ol_flags |= RTE_MBUF_F_RX_FDIR | RTE_MBUF_F_RX_FDIR_ID;
 }
 
 static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
@@ -807,13 +873,10 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
        cp_cons = RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
        rxcmp1 = (struct rx_pkt_cmpl_hi *)&cpr->cp_desc_ring[cp_cons];
 
-       if (!CMP_VALID(rxcmp1, tmp_raw_cons, cpr->cp_ring_struct))
+       if (!bnxt_cpr_cmp_valid(rxcmp1, tmp_raw_cons,
+                               cpr->cp_ring_struct->ring_size))
                return -EBUSY;
 
-       cpr->valid = FLIP_VALID(cp_cons,
-                               cpr->cp_ring_struct->ring_mask,
-                               cpr->valid);
-
        if (cmp_type == RX_TPA_START_CMPL_TYPE_RX_TPA_START ||
            cmp_type == RX_TPA_START_V2_CMPL_TYPE_RX_TPA_START_V2) {
                bnxt_tpa_start(rxq, (struct rx_tpa_start_cmpl *)rxcmp,
@@ -841,6 +904,14 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
        raw_prod = rxr->rx_raw_prod;
 
        cons = rxcmp->opaque;
+       if (unlikely(cons != rxr->rx_next_cons)) {
+               bnxt_discard_rx(bp, cpr, &tmp_raw_cons, rxcmp);
+               PMD_DRV_LOG(ERR, "RX cons %x != expected cons %x\n",
+                           cons, rxr->rx_next_cons);
+               bnxt_sched_ring_reset(rxq);
+               rc = -EBUSY;
+               goto next_rx;
+       }
        mbuf = bnxt_consume_rx_buf(rxr, cons);
        if (mbuf == NULL)
                return -EBUSY;
@@ -871,6 +942,8 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 
        mbuf->packet_type = bnxt_parse_pkt_type(rxcmp, rxcmp1);
 
+       bnxt_set_vlan(rxcmp1, mbuf);
+
        if (BNXT_TRUFLOW_EN(bp))
                mark_id = bnxt_ulp_set_mark_in_mbuf(rxq->bp, rxcmp1, mbuf,
                                                    &vfr_flag);
@@ -913,6 +986,8 @@ reuse_rx_mbuf:
                goto rx;
        }
        rxr->rx_raw_prod = raw_prod;
+rx:
+       rxr->rx_next_cons = RING_IDX(rxr->rx_ring_struct, RING_NEXT(cons));
 
        if (BNXT_TRUFLOW_EN(bp) && (BNXT_VF_IS_TRUSTED(bp) || BNXT_PF(bp)) &&
            vfr_flag) {
@@ -930,7 +1005,6 @@ reuse_rx_mbuf:
         * All MBUFs are allocated with the same size under DPDK,
         * no optimization for rx_copy_thresh
         */
-rx:
        *rx_pkt = mbuf;
 
 next_rx:
@@ -987,12 +1061,9 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
                rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
 
-               if (!CMP_VALID(rxcmp, raw_cons, cpr->cp_ring_struct))
+               if (!bnxt_cpr_cmp_valid(rxcmp, raw_cons,
+                                       cpr->cp_ring_struct->ring_size))
                        break;
-               cpr->valid = FLIP_VALID(cons,
-                                       cpr->cp_ring_struct->ring_mask,
-                                       cpr->valid);
-
                if (CMP_TYPE(rxcmp) == CMPL_BASE_TYPE_HWRM_DONE) {
                        PMD_DRV_LOG(ERR, "Rx flush done\n");
                } else if ((CMP_TYPE(rxcmp) >= CMPL_BASE_TYPE_RX_TPA_START_V2) &&
@@ -1114,6 +1185,9 @@ void bnxt_free_rx_rings(struct bnxt *bp)
                rte_free(rxq->cp_ring->cp_ring_struct);
                rte_free(rxq->cp_ring);
 
+               rte_memzone_free(rxq->mz);
+               rxq->mz = NULL;
+
                rte_free(rxq);
                bp->rx_queues[i] = NULL;
        }
@@ -1127,57 +1201,75 @@ int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id)
 
        rxq->rx_buf_size = BNXT_MAX_PKT_LEN + sizeof(struct rte_mbuf);
 
-       rxr = rte_zmalloc_socket("bnxt_rx_ring",
-                                sizeof(struct bnxt_rx_ring_info),
-                                RTE_CACHE_LINE_SIZE, socket_id);
-       if (rxr == NULL)
-               return -ENOMEM;
-       rxq->rx_ring = rxr;
-
-       ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
-                                  sizeof(struct bnxt_ring),
-                                  RTE_CACHE_LINE_SIZE, socket_id);
-       if (ring == NULL)
-               return -ENOMEM;
-       rxr->rx_ring_struct = ring;
-       ring->ring_size = rte_align32pow2(rxq->nb_rx_desc);
-       ring->ring_mask = ring->ring_size - 1;
-       ring->bd = (void *)rxr->rx_desc_ring;
-       ring->bd_dma = rxr->rx_desc_mapping;
-
-       /* Allocate extra rx ring entries for vector rx. */
-       ring->vmem_size = sizeof(struct rte_mbuf *) *
-                         (ring->ring_size + BNXT_RX_EXTRA_MBUF_ENTRIES);
+       if (rxq->rx_ring != NULL) {
+               rxr = rxq->rx_ring;
+       } else {
 
-       ring->vmem = (void **)&rxr->rx_buf_ring;
-       ring->fw_ring_id = INVALID_HW_RING_ID;
+               rxr = rte_zmalloc_socket("bnxt_rx_ring",
+                                        sizeof(struct bnxt_rx_ring_info),
+                                        RTE_CACHE_LINE_SIZE, socket_id);
+               if (rxr == NULL)
+                       return -ENOMEM;
+               rxq->rx_ring = rxr;
+       }
 
-       cpr = rte_zmalloc_socket("bnxt_rx_ring",
-                                sizeof(struct bnxt_cp_ring_info),
-                                RTE_CACHE_LINE_SIZE, socket_id);
-       if (cpr == NULL)
-               return -ENOMEM;
-       rxq->cp_ring = cpr;
+       if (rxr->rx_ring_struct == NULL) {
+               ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
+                                          sizeof(struct bnxt_ring),
+                                          RTE_CACHE_LINE_SIZE, socket_id);
+               if (ring == NULL)
+                       return -ENOMEM;
+               rxr->rx_ring_struct = ring;
+               ring->ring_size = rte_align32pow2(rxq->nb_rx_desc);
+               ring->ring_mask = ring->ring_size - 1;
+               ring->bd = (void *)rxr->rx_desc_ring;
+               ring->bd_dma = rxr->rx_desc_mapping;
+
+               /* Allocate extra rx ring entries for vector rx. */
+               ring->vmem_size = sizeof(struct rte_mbuf *) *
+                                 (ring->ring_size + BNXT_RX_EXTRA_MBUF_ENTRIES);
+
+               ring->vmem = (void **)&rxr->rx_buf_ring;
+               ring->fw_ring_id = INVALID_HW_RING_ID;
+       }
 
-       ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
-                                  sizeof(struct bnxt_ring),
-                                  RTE_CACHE_LINE_SIZE, socket_id);
-       if (ring == NULL)
-               return -ENOMEM;
-       cpr->cp_ring_struct = ring;
+       if (rxq->cp_ring != NULL) {
+               cpr = rxq->cp_ring;
+       } else {
+               cpr = rte_zmalloc_socket("bnxt_rx_ring",
+                                        sizeof(struct bnxt_cp_ring_info),
+                                        RTE_CACHE_LINE_SIZE, socket_id);
+               if (cpr == NULL)
+                       return -ENOMEM;
+               rxq->cp_ring = cpr;
+       }
 
-       /* Allocate two completion slots per entry in desc ring. */
-       ring->ring_size = rxr->rx_ring_struct->ring_size * 2;
-       ring->ring_size *= AGG_RING_SIZE_FACTOR;
+       if (cpr->cp_ring_struct == NULL) {
+               ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
+                                          sizeof(struct bnxt_ring),
+                                          RTE_CACHE_LINE_SIZE, socket_id);
+               if (ring == NULL)
+                       return -ENOMEM;
+               cpr->cp_ring_struct = ring;
+
+               /* Allocate two completion slots per entry in desc ring. */
+               ring->ring_size = rxr->rx_ring_struct->ring_size * 2;
+               if (bnxt_need_agg_ring(rxq->bp->eth_dev))
+                       ring->ring_size *= AGG_RING_SIZE_FACTOR;
+
+               ring->ring_size = rte_align32pow2(ring->ring_size);
+               ring->ring_mask = ring->ring_size - 1;
+               ring->bd = (void *)cpr->cp_desc_ring;
+               ring->bd_dma = cpr->cp_desc_mapping;
+               ring->vmem_size = 0;
+               ring->vmem = NULL;
+               ring->fw_ring_id = INVALID_HW_RING_ID;
+       }
 
-       ring->ring_size = rte_align32pow2(ring->ring_size);
-       ring->ring_mask = ring->ring_size - 1;
-       ring->bd = (void *)cpr->cp_desc_ring;
-       ring->bd_dma = cpr->cp_desc_mapping;
-       ring->vmem_size = 0;
-       ring->vmem = NULL;
-       ring->fw_ring_id = INVALID_HW_RING_ID;
+       if (!bnxt_need_agg_ring(rxq->bp->eth_dev))
+               return 0;
 
+       rxr = rxq->rx_ring;
        /* Allocate Aggregator rings */
        ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
                                   sizeof(struct bnxt_ring),
@@ -1255,6 +1347,12 @@ int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq)
                rxr->rx_buf_ring[i] = &rxq->fake_mbuf;
        }
 
+       /* Explicitly reset this driver internal tracker on a ring init */
+       rxr->rx_next_cons = 0;
+
+       if (!bnxt_need_agg_ring(rxq->bp->eth_dev))
+               return 0;
+
        ring = rxr->ag_ring_struct;
        type = RX_PROD_AGG_BD_TYPE_RX_PROD_AGG;
        bnxt_init_rxbds(ring, type, size);