#include <inttypes.h>
#include <stdbool.h>
+#include <rte_bitmap.h>
#include <rte_byteorder.h>
#include <rte_malloc.h>
#include <rte_memory.h>
{
struct rx_prod_pkt_bd *rxbd = &rxr->rx_desc_ring[prod];
struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[prod];
- struct rte_mbuf *data;
+ struct rte_mbuf *mbuf;
- data = __bnxt_alloc_rx_data(rxq->mb_pool);
- if (!data)
+ mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
+ if (!mbuf) {
+ rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
return -ENOMEM;
+ }
- rx_buf->mbuf = data;
+ rx_buf->mbuf = mbuf;
- rxbd->addr = rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR(rx_buf->mbuf));
+ rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
return 0;
}
{
struct rx_prod_pkt_bd *rxbd = &rxr->ag_desc_ring[prod];
struct bnxt_sw_rx_bd *rx_buf = &rxr->ag_buf_ring[prod];
- struct rte_mbuf *data;
+ struct rte_mbuf *mbuf;
- data = __bnxt_alloc_rx_data(rxq->mb_pool);
- if (!data)
+ mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
+ if (!mbuf) {
+ rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
return -ENOMEM;
+ }
if (rxbd == NULL)
- RTE_LOG(ERR, PMD, "Jumbo Frame. rxbd is NULL\n");
+ PMD_DRV_LOG(ERR, "Jumbo Frame. rxbd is NULL\n");
if (rx_buf == NULL)
- RTE_LOG(ERR, PMD, "Jumbo Frame. rx_buf is NULL\n");
+ PMD_DRV_LOG(ERR, "Jumbo Frame. rx_buf is NULL\n");
- rx_buf->mbuf = data;
+ rx_buf->mbuf = mbuf;
- rxbd->addr = rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR(rx_buf->mbuf));
+ rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
return 0;
}
-#ifdef BNXT_DEBUG
-static void bnxt_reuse_rx_mbuf(struct bnxt_rx_ring_info *rxr, uint16_t cons,
+static inline void bnxt_reuse_rx_mbuf(struct bnxt_rx_ring_info *rxr,
struct rte_mbuf *mbuf)
{
- uint16_t prod = rxr->rx_prod;
+ uint16_t prod = RING_NEXT(rxr->rx_ring_struct, rxr->rx_prod);
struct bnxt_sw_rx_bd *prod_rx_buf;
- struct rx_prod_pkt_bd *prod_bd, *cons_bd;
+ struct rx_prod_pkt_bd *prod_bd;
prod_rx_buf = &rxr->rx_buf_ring[prod];
+ RTE_ASSERT(prod_rx_buf->mbuf == NULL);
+ RTE_ASSERT(mbuf != NULL);
+
prod_rx_buf->mbuf = mbuf;
prod_bd = &rxr->rx_desc_ring[prod];
- cons_bd = &rxr->rx_desc_ring[cons];
- prod_bd->addr = cons_bd->addr;
+ prod_bd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+
+ rxr->rx_prod = prod;
}
+#ifdef BNXT_DEBUG
static void bnxt_reuse_ag_mbuf(struct bnxt_rx_ring_info *rxr, uint16_t cons,
struct rte_mbuf *mbuf)
{
}
#endif
-static uint16_t bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
+static inline
+struct rte_mbuf *bnxt_consume_rx_buf(struct bnxt_rx_ring_info *rxr,
+ uint16_t cons)
+{
+ struct bnxt_sw_rx_bd *cons_rx_buf;
+ struct rte_mbuf *mbuf;
+
+ cons_rx_buf = &rxr->rx_buf_ring[cons];
+ RTE_ASSERT(cons_rx_buf->mbuf != NULL);
+ mbuf = cons_rx_buf->mbuf;
+ cons_rx_buf->mbuf = NULL;
+ return mbuf;
+}
+
+static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
+ struct rx_tpa_start_cmpl *tpa_start,
+ struct rx_tpa_start_cmpl_hi *tpa_start1)
+{
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ uint8_t agg_id = rte_le_to_cpu_32(tpa_start->agg_id &
+ RX_TPA_START_CMPL_AGG_ID_MASK) >> RX_TPA_START_CMPL_AGG_ID_SFT;
+ uint16_t data_cons;
+ struct bnxt_tpa_info *tpa_info;
+ struct rte_mbuf *mbuf;
+
+ data_cons = tpa_start->opaque;
+ tpa_info = &rxr->tpa_info[agg_id];
+
+ mbuf = bnxt_consume_rx_buf(rxr, data_cons);
+
+ bnxt_reuse_rx_mbuf(rxr, tpa_info->mbuf);
+
+ tpa_info->mbuf = mbuf;
+ tpa_info->len = rte_le_to_cpu_32(tpa_start->len);
+
+ mbuf->nb_segs = 1;
+ mbuf->next = NULL;
+ 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;
+ if (likely(tpa_start->flags_type &
+ rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS_RSS_VALID))) {
+ mbuf->hash.rss = rte_le_to_cpu_32(tpa_start->rss_hash);
+ mbuf->ol_flags |= PKT_RX_RSS_HASH;
+ } else {
+ mbuf->hash.fdir.id = rte_le_to_cpu_16(tpa_start1->cfa_code);
+ mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
+ }
+ if (tpa_start1->flags2 &
+ rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_META_FORMAT_VLAN)) {
+ mbuf->vlan_tci = rte_le_to_cpu_32(tpa_start1->metadata);
+ mbuf->ol_flags |= PKT_RX_VLAN;
+ }
+ if (likely(tpa_start1->flags2 &
+ rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_L4_CS_CALC)))
+ mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+
+ /* recycle next mbuf */
+ data_cons = RING_NEXT(rxr->rx_ring_struct, data_cons);
+ bnxt_reuse_rx_mbuf(rxr, bnxt_consume_rx_buf(rxr, data_cons));
+}
+
+static int bnxt_agg_bufs_valid(struct bnxt_cp_ring_info *cpr,
+ uint8_t agg_bufs, uint32_t raw_cp_cons)
+{
+ uint16_t last_cp_cons;
+ struct rx_pkt_cmpl *agg_cmpl;
+
+ 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);
+}
+
+/* TPA consume agg buffer out of order, allocate connected data only */
+static int bnxt_prod_ag_mbuf(struct bnxt_rx_queue *rxq)
+{
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ uint16_t next = RING_NEXT(rxr->ag_ring_struct, rxr->ag_prod);
+
+ /* TODO batch allocation for better performance */
+ while (rte_bitmap_get(rxr->ag_bitmap, next)) {
+ if (unlikely(bnxt_alloc_ag_data(rxq, rxr, next))) {
+ PMD_DRV_LOG(ERR,
+ "agg mbuf alloc failed: prod=0x%x\n", next);
+ break;
+ }
+ rte_bitmap_clear(rxr->ag_bitmap, next);
+ rxr->ag_prod = next;
+ next = RING_NEXT(rxr->ag_ring_struct, next);
+ }
+
+ return 0;
+}
+
+static int bnxt_rx_pages(struct bnxt_rx_queue *rxq,
+ struct rte_mbuf *mbuf, uint32_t *tmp_raw_cons,
+ uint8_t agg_buf)
+{
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ int i;
+ uint16_t cp_cons, ag_cons;
+ struct rx_pkt_cmpl *rxcmp;
+ struct rte_mbuf *last = mbuf;
+
+ for (i = 0; i < agg_buf; i++) {
+ struct bnxt_sw_rx_bd *ag_buf;
+ struct rte_mbuf *ag_mbuf;
+ *tmp_raw_cons = NEXT_RAW_CMP(*tmp_raw_cons);
+ cp_cons = RING_CMP(cpr->cp_ring_struct, *tmp_raw_cons);
+ rxcmp = (struct rx_pkt_cmpl *)
+ &cpr->cp_desc_ring[cp_cons];
+
+#ifdef BNXT_DEBUG
+ bnxt_dump_cmpl(cp_cons, rxcmp);
+#endif
+
+ ag_cons = rxcmp->opaque;
+ RTE_ASSERT(ag_cons <= rxr->ag_ring_struct->ring_mask);
+ ag_buf = &rxr->ag_buf_ring[ag_cons];
+ ag_mbuf = ag_buf->mbuf;
+ RTE_ASSERT(ag_mbuf != NULL);
+
+ ag_mbuf->data_len = rte_le_to_cpu_16(rxcmp->len);
+
+ mbuf->nb_segs++;
+ mbuf->pkt_len += ag_mbuf->data_len;
+
+ last->next = ag_mbuf;
+ last = ag_mbuf;
+
+ ag_buf->mbuf = NULL;
+
+ /*
+ * As aggregation buffer consumed out of order in TPA module,
+ * use bitmap to track freed slots to be allocated and notified
+ * to NIC
+ */
+ rte_bitmap_set(rxr->ag_bitmap, ag_cons);
+ }
+ bnxt_prod_ag_mbuf(rxq);
+ return 0;
+}
+
+static inline struct rte_mbuf *bnxt_tpa_end(
+ struct bnxt_rx_queue *rxq,
+ uint32_t *raw_cp_cons,
+ struct rx_tpa_end_cmpl *tpa_end,
+ struct rx_tpa_end_cmpl_hi *tpa_end1 __rte_unused)
+{
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ uint8_t agg_id = (tpa_end->agg_id & RX_TPA_END_CMPL_AGG_ID_MASK)
+ >> RX_TPA_END_CMPL_AGG_ID_SFT;
+ struct rte_mbuf *mbuf;
+ uint8_t agg_bufs;
+ struct bnxt_tpa_info *tpa_info;
+
+ tpa_info = &rxr->tpa_info[agg_id];
+ mbuf = tpa_info->mbuf;
+ RTE_ASSERT(mbuf != NULL);
+
+ rte_prefetch0(mbuf);
+ agg_bufs = (rte_le_to_cpu_32(tpa_end->agg_bufs_v1) &
+ RX_TPA_END_CMPL_AGG_BUFS_MASK) >> RX_TPA_END_CMPL_AGG_BUFS_SFT;
+ if (agg_bufs) {
+ if (!bnxt_agg_bufs_valid(cpr, agg_bufs, *raw_cp_cons))
+ return NULL;
+ bnxt_rx_pages(rxq, mbuf, raw_cp_cons, agg_bufs);
+ }
+ mbuf->l4_len = tpa_end->payload_offset;
+
+ struct rte_mbuf *new_data = __bnxt_alloc_rx_data(rxq->mb_pool);
+ RTE_ASSERT(new_data != NULL);
+ if (!new_data) {
+ rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
+ return NULL;
+ }
+ tpa_info->mbuf = new_data;
+
+ return mbuf;
+}
+
+static uint32_t
+bnxt_parse_pkt_type(struct rx_pkt_cmpl *rxcmp, struct rx_pkt_cmpl_hi *rxcmp1)
+{
+ uint32_t pkt_type = 0;
+ uint32_t t_ipcs = 0, ip = 0, ip6 = 0;
+ uint32_t tcp = 0, udp = 0, icmp = 0;
+ uint32_t vlan = 0;
+
+ vlan = !!(rxcmp1->flags2 &
+ rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN));
+ t_ipcs = !!(rxcmp1->flags2 &
+ rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC));
+ ip6 = !!(rxcmp1->flags2 &
+ rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_IP_TYPE));
+ icmp = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_ICMP));
+ tcp = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_TCP));
+ udp = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_UDP));
+ ip = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_IP));
+
+ pkt_type |= ((ip || tcp || udp || icmp) && !t_ipcs && !ip6) ?
+ RTE_PTYPE_L3_IPV4_EXT_UNKNOWN : 0;
+ pkt_type |= ((ip || tcp || udp || icmp) && !t_ipcs && ip6) ?
+ RTE_PTYPE_L3_IPV6_EXT_UNKNOWN : 0;
+ pkt_type |= (!t_ipcs && icmp) ? RTE_PTYPE_L4_ICMP : 0;
+ pkt_type |= (!t_ipcs && udp) ? RTE_PTYPE_L4_UDP : 0;
+ pkt_type |= (!t_ipcs && tcp) ? RTE_PTYPE_L4_TCP : 0;
+ pkt_type |= ((ip || tcp || udp || icmp) && t_ipcs && !ip6) ?
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN : 0;
+ pkt_type |= ((ip || tcp || udp || icmp) && t_ipcs && ip6) ?
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN : 0;
+ pkt_type |= (t_ipcs && icmp) ? RTE_PTYPE_INNER_L4_ICMP : 0;
+ pkt_type |= (t_ipcs && udp) ? RTE_PTYPE_INNER_L4_UDP : 0;
+ pkt_type |= (t_ipcs && tcp) ? RTE_PTYPE_INNER_L4_TCP : 0;
+ pkt_type |= vlan ? RTE_PTYPE_L2_ETHER_VLAN : 0;
+
+ return pkt_type;
+}
+
+static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
struct bnxt_rx_queue *rxq, uint32_t *raw_cons)
{
struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
uint32_t tmp_raw_cons = *raw_cons;
uint16_t cons, prod, cp_cons =
RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
- uint16_t ag_cons, ag_prod = rxr->ag_prod;
- struct bnxt_sw_rx_bd *rx_buf;
+#ifdef BNXT_DEBUG
+ uint16_t ag_cons;
+#endif
struct rte_mbuf *mbuf;
int rc = 0;
- uint8_t i;
uint8_t agg_buf = 0;
+ uint16_t cmp_type;
rxcmp = (struct rx_pkt_cmpl *)
&cpr->cp_desc_ring[cp_cons];
if (!CMP_VALID(rxcmp1, tmp_raw_cons, cpr->cp_ring_struct))
return -EBUSY;
+ cpr->valid = FLIP_VALID(cp_cons,
+ cpr->cp_ring_struct->ring_mask,
+ cpr->valid);
+
+ cmp_type = CMP_TYPE(rxcmp);
+ if (cmp_type == RX_TPA_START_CMPL_TYPE_RX_TPA_START) {
+ bnxt_tpa_start(rxq, (struct rx_tpa_start_cmpl *)rxcmp,
+ (struct rx_tpa_start_cmpl_hi *)rxcmp1);
+ rc = -EINVAL; /* Continue w/o new mbuf */
+ goto next_rx;
+ } else if (cmp_type == RX_TPA_END_CMPL_TYPE_RX_TPA_END) {
+ mbuf = bnxt_tpa_end(rxq, &tmp_raw_cons,
+ (struct rx_tpa_end_cmpl *)rxcmp,
+ (struct rx_tpa_end_cmpl_hi *)rxcmp1);
+ if (unlikely(!mbuf))
+ return -EBUSY;
+ *rx_pkt = mbuf;
+ goto next_rx;
+ } else if (cmp_type != 0x11) {
+ rc = -EINVAL;
+ goto next_rx;
+ }
+
+ agg_buf = (rxcmp->agg_bufs_v1 & RX_PKT_CMPL_AGG_BUFS_MASK)
+ >> RX_PKT_CMPL_AGG_BUFS_SFT;
+ if (agg_buf && !bnxt_agg_bufs_valid(cpr, agg_buf, tmp_raw_cons))
+ return -EBUSY;
+
prod = rxr->rx_prod;
- /* EW - GRO deferred to phase 3 */
cons = rxcmp->opaque;
- rx_buf = &rxr->rx_buf_ring[cons];
- mbuf = rx_buf->mbuf;
- rte_prefetch0(mbuf);
-
+ mbuf = bnxt_consume_rx_buf(rxr, cons);
if (mbuf == NULL)
- return -ENOMEM;
+ return -EBUSY;
+
+ rte_prefetch0(mbuf);
+ mbuf->data_off = RTE_PKTMBUF_HEADROOM;
mbuf->nb_segs = 1;
mbuf->next = NULL;
mbuf->pkt_len = rxcmp->len;
mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
}
- agg_buf = (rxcmp->agg_bufs_v1 & RX_PKT_CMPL_AGG_BUFS_MASK)
- >> RX_PKT_CMPL_AGG_BUFS_SFT;
- if (agg_buf) {
- cp_cons = RING_CMP(cpr->cp_ring_struct, tmp_raw_cons + agg_buf);
- rxcmp = (struct rx_pkt_cmpl *)
- &cpr->cp_desc_ring[cp_cons];
- if (!CMP_VALID(rxcmp, tmp_raw_cons + agg_buf,
- cpr->cp_ring_struct))
- return -EBUSY;
- RTE_LOG(DEBUG, PMD, "JUMBO Frame %d. %x, agg_buf %x,\n",
- mbuf->pkt_len, rxcmp->agg_bufs_v1, agg_buf);
- }
-
- for (i = 0; i < agg_buf; i++) {
- struct bnxt_sw_rx_bd *ag_buf;
- struct rte_mbuf *ag_mbuf;
- tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
- cp_cons = RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
- rxcmp = (struct rx_pkt_cmpl *)
- &cpr->cp_desc_ring[cp_cons];
- ag_cons = rxcmp->opaque;
- ag_buf = &rxr->ag_buf_ring[ag_cons];
- ag_mbuf = ag_buf->mbuf;
- ag_mbuf->nb_segs = 1;
- ag_mbuf->data_len = rxcmp->len;
+ if ((rxcmp->flags_type & rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_MASK)) ==
+ RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP)
+ mbuf->ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST;
- mbuf->nb_segs++;
- mbuf->pkt_len += ag_mbuf->data_len;
- if (mbuf->next == NULL) {
- mbuf->next = ag_mbuf;
- } else {
- struct rte_mbuf *temp_mbuf = mbuf;
-
- while (temp_mbuf->next != NULL)
- temp_mbuf = temp_mbuf->next;
- temp_mbuf->next = ag_mbuf;
- }
- ag_buf->mbuf = NULL;
-
- ag_prod = RING_NEXT(rxr->ag_ring_struct, ag_prod);
- if (bnxt_alloc_ag_data(rxq, rxr, ag_prod)) {
- RTE_LOG(ERR, PMD,
- "agg mbuf alloc failed: prod=0x%x\n",
- ag_prod);
- rc = -ENOMEM;
- }
- rxr->ag_prod = ag_prod;
-
-#ifdef BNXT_DEBUG
- if (!CMP_VALID((struct cmpl_base *)
- &cpr->cp_desc_ring[cp_cons], tmp_raw_cons,
- cpr->cp_ring_struct))
- return -EBUSY;
-#endif
- }
+ if (agg_buf)
+ bnxt_rx_pages(rxq, mbuf, &tmp_raw_cons, agg_buf);
if (rxcmp1->flags2 & RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN) {
mbuf->vlan_tci = rxcmp1->metadata &
(RX_PKT_CMPL_METADATA_VID_MASK |
RX_PKT_CMPL_METADATA_DE |
RX_PKT_CMPL_METADATA_PRI_MASK);
- mbuf->ol_flags |= PKT_RX_VLAN_PKT;
+ mbuf->ol_flags |= PKT_RX_VLAN;
}
- rx_buf->mbuf = NULL;
+ if (likely(RX_CMP_IP_CS_OK(rxcmp1)))
+ mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+ else
+ mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+
+ if (likely(RX_CMP_L4_CS_OK(rxcmp1)))
+ mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+ else
+ mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+
+ mbuf->packet_type = bnxt_parse_pkt_type(rxcmp, rxcmp1);
+
#ifdef BNXT_DEBUG
if (rxcmp1->errors_v2 & RX_CMP_L2_ERRORS) {
/* Re-install the mbuf back to the rx ring */
*/
prod = RING_NEXT(rxr->rx_ring_struct, prod);
if (bnxt_alloc_rx_data(rxq, rxr, prod)) {
- RTE_LOG(ERR, PMD, "mbuf alloc failed with prod=0x%x\n", prod);
+ PMD_DRV_LOG(ERR, "mbuf alloc failed with prod=0x%x\n", prod);
rc = -ENOMEM;
+ goto rx;
}
rxr->rx_prod = prod;
/*
* All MBUFs are allocated with the same size under DPDK,
* no optimization for rx_copy_thresh
*/
-
+rx:
*rx_pkt = mbuf;
-#ifdef BNXT_DEBUG
+
next_rx:
-#endif
+
*raw_cons = tmp_raw_cons;
return rc;
struct rx_pkt_cmpl *rxcmp;
uint16_t prod = rxr->rx_prod;
uint16_t ag_prod = rxr->ag_prod;
+ int rc = 0;
+
+ /* If Rx Q was stopped return */
+ if (rxq->rx_deferred_start)
+ return 0;
/* Handle RX burst request */
while (1) {
- int rc;
-
cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
rte_prefetch0(&cpr->cp_desc_ring[cons]);
rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
if (!CMP_VALID(rxcmp, raw_cons, cpr->cp_ring_struct))
break;
+ cpr->valid = FLIP_VALID(cons,
+ cpr->cp_ring_struct->ring_mask,
+ cpr->valid);
/* TODO: Avoid magic numbers... */
if ((CMP_TYPE(rxcmp) & 0x30) == 0x10) {
rc = bnxt_rx_pkt(&rx_pkts[nb_rx_pkts], rxq, &raw_cons);
- if (likely(!rc))
+ if (likely(!rc) || rc == -ENOMEM)
nb_rx_pkts++;
- else if (rc == -EBUSY) /* partial completion */
+ if (rc == -EBUSY) /* partial completion */
break;
}
raw_cons = NEXT_RAW_CMP(raw_cons);
break;
}
+ cpr->cp_raw_cons = raw_cons;
if (prod == rxr->rx_prod && ag_prod == rxr->ag_prod) {
/*
* For PMD, there is no need to keep on pushing to REARM
*/
return nb_rx_pkts;
}
- cpr->cp_raw_cons = raw_cons;
B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
/* Ring the AGG ring DB */
B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ /* Attempt to alloc Rx buf in case of a previous allocation failure. */
+ if (rc == -ENOMEM) {
+ int i;
+
+ for (i = prod; i <= nb_rx_pkts;
+ i = RING_NEXT(rxr->rx_ring_struct, i)) {
+ struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[i];
+
+ /* Buffer already allocated for this index. */
+ if (rx_buf->mbuf != NULL)
+ continue;
+
+ /* This slot is empty. Alloc buffer for Rx */
+ if (!bnxt_alloc_rx_data(rxq, rxr, i)) {
+ rxr->rx_prod = i;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ } else {
+ PMD_DRV_LOG(ERR, "Alloc mbuf failed\n");
+ break;
+ }
+ }
+ }
+
return nb_rx_pkts;
}
prod = rxr->rx_prod;
for (i = 0; i < ring->ring_size; i++) {
if (bnxt_alloc_rx_data(rxq, rxr, prod) != 0) {
- RTE_LOG(WARNING, PMD,
+ PMD_DRV_LOG(WARNING,
"init'ed rx ring %d with %d/%d mbufs only\n",
rxq->queue_id, i, ring->ring_size);
break;
rxr->rx_prod = prod;
prod = RING_NEXT(rxr->rx_ring_struct, prod);
}
- RTE_LOG(DEBUG, PMD, "%s\n", __func__);
ring = rxr->ag_ring_struct;
type = RX_PROD_AGG_BD_TYPE_RX_PROD_AGG;
for (i = 0; i < ring->ring_size; i++) {
if (bnxt_alloc_ag_data(rxq, rxr, prod) != 0) {
- RTE_LOG(WARNING, PMD,
+ PMD_DRV_LOG(WARNING,
"init'ed AG ring %d with %d/%d mbufs only\n",
rxq->queue_id, i, ring->ring_size);
break;
rxr->ag_prod = prod;
prod = RING_NEXT(rxr->ag_ring_struct, prod);
}
- RTE_LOG(DEBUG, PMD, "%s AGG Done!\n", __func__);
+ PMD_DRV_LOG(DEBUG, "AGG Done!\n");
+
+ if (rxr->tpa_info) {
+ for (i = 0; i < BNXT_TPA_MAX; i++) {
+ rxr->tpa_info[i].mbuf =
+ __bnxt_alloc_rx_data(rxq->mb_pool);
+ if (!rxr->tpa_info[i].mbuf) {
+ rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
+ return -ENOMEM;
+ }
+ }
+ }
+ PMD_DRV_LOG(DEBUG, "TPA alloc Done!\n");
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff