diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_rxr.c')
-rw-r--r-- | drivers/net/bnxt/bnxt_rxr.c | 110 |
1 files changed, 99 insertions, 11 deletions
diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c index bee67d33..30891b74 100644 --- a/drivers/net/bnxt/bnxt_rxr.c +++ b/drivers/net/bnxt/bnxt_rxr.c @@ -199,7 +199,7 @@ static void bnxt_tpa_start(struct bnxt_rx_queue *rxq, 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_PKT; + mbuf->ol_flags |= PKT_RX_VLAN; } if (likely(tpa_start1->flags2 & rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_L4_CS_CALC))) @@ -219,6 +219,9 @@ 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); } @@ -332,6 +335,48 @@ static inline struct rte_mbuf *bnxt_tpa_end( 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) { @@ -360,13 +405,17 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt, 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_PKT_CMPL_TYPE_RX_L2_TPA_START) { + 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_PKT_CMPL_TYPE_RX_L2_TPA_END) { + } 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); @@ -388,10 +437,10 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt, cons = rxcmp->opaque; mbuf = bnxt_consume_rx_buf(rxr, cons); - rte_prefetch0(mbuf); - if (mbuf == NULL) - return -ENOMEM; + return -EBUSY; + + rte_prefetch0(mbuf); mbuf->nb_segs = 1; mbuf->next = NULL; @@ -415,9 +464,21 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt, (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; } + if (likely(RX_CMP_IP_CS_OK(rxcmp1))) + mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD; + else + mbuf->ol_flags |= PKT_RX_IP_CKSUM_NONE; + + if (likely(RX_CMP_L4_CS_OK(rxcmp1))) + mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD; + else + mbuf->ol_flags |= PKT_RX_L4_CKSUM_NONE; + + 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 */ @@ -448,13 +509,14 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt, if (bnxt_alloc_rx_data(rxq, rxr, prod)) { RTE_LOG(ERR, PMD, "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; next_rx: @@ -476,22 +538,24 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, struct rx_pkt_cmpl *rxcmp; uint16_t prod = rxr->rx_prod; uint16_t ag_prod = rxr->ag_prod; + int rc = 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++; if (rc == -EBUSY) /* partial completion */ break; @@ -514,6 +578,30 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 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 { + RTE_LOG(ERR, PMD, "Alloc mbuf failed\n"); + break; + } + } + } + return nb_rx_pkts; } |