X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fenic%2Fenic_rxtx.c;h=0cfde4684ad5851249f9ebd48ee115add40fc8aa;hb=f7a9461e29147c47ce2bb81bd157ac1833cf5eb1;hp=2f4a08c58162a4d3e6482fd1fd1f586cdb5653ae;hpb=a41e6ff15809d40e0f9bbc9576bf8f7f80fbec1d;p=deb_dpdk.git diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c index 2f4a08c5..0cfde468 100644 --- a/drivers/net/enic/enic_rxtx.c +++ b/drivers/net/enic/enic_rxtx.c @@ -149,30 +149,18 @@ enic_cq_rx_flags_to_pkt_type(struct cq_desc *cqd) uint8_t cqrd_flags = cqrd->flags; static const uint32_t cq_type_table[128] __rte_cache_aligned = { [0x00] = RTE_PTYPE_UNKNOWN, - [0x20] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN - | RTE_PTYPE_L4_NONFRAG, - [0x22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN - | RTE_PTYPE_L4_UDP, - [0x24] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN - | RTE_PTYPE_L4_TCP, - [0x60] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN - | RTE_PTYPE_L4_FRAG, - [0x62] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN - | RTE_PTYPE_L4_UDP, - [0x64] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN - | RTE_PTYPE_L4_TCP, - [0x10] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN - | RTE_PTYPE_L4_NONFRAG, - [0x12] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN - | RTE_PTYPE_L4_UDP, - [0x14] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN - | RTE_PTYPE_L4_TCP, - [0x50] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN - | RTE_PTYPE_L4_FRAG, - [0x52] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN - | RTE_PTYPE_L4_UDP, - [0x54] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN - | RTE_PTYPE_L4_TCP, + [0x20] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG, + [0x22] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, + [0x24] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, + [0x60] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG, + [0x62] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, + [0x64] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, + [0x10] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG, + [0x12] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, + [0x14] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, + [0x50] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG, + [0x52] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, + [0x54] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, /* All others reserved */ }; cqrd_flags &= CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT @@ -185,9 +173,10 @@ static inline void enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) { struct cq_enet_rq_desc *cqrd = (struct cq_enet_rq_desc *)cqd; - uint16_t ciflags, bwflags, pkt_flags = 0; + uint16_t ciflags, bwflags, pkt_flags = 0, vlan_tci; ciflags = enic_cq_rx_desc_ciflags(cqrd); bwflags = enic_cq_rx_desc_bwflags(cqrd); + vlan_tci = enic_cq_rx_desc_vlan(cqrd); mbuf->ol_flags = 0; @@ -195,13 +184,19 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) if (unlikely(!enic_cq_rx_desc_eop(ciflags))) goto mbuf_flags_done; - /* VLAN stripping */ + /* VLAN STRIPPED flag. The L2 packet type updated here also */ if (bwflags & CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) { pkt_flags |= PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED; - mbuf->vlan_tci = enic_cq_rx_desc_vlan(cqrd); + mbuf->packet_type |= RTE_PTYPE_L2_ETHER; } else { - mbuf->vlan_tci = 0; + if (vlan_tci != 0) { + pkt_flags |= PKT_RX_VLAN_PKT; + mbuf->packet_type |= RTE_PTYPE_L2_ETHER_VLAN; + } else { + mbuf->packet_type |= RTE_PTYPE_L2_ETHER; + } } + mbuf->vlan_tci = vlan_tci; /* RSS flag */ if (enic_cq_rx_desc_rss_type(cqrd)) { @@ -212,9 +207,12 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) /* checksum flags */ if (!enic_cq_rx_desc_csum_not_calc(cqrd) && (mbuf->packet_type & RTE_PTYPE_L3_IPV4)) { + uint32_t l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK; + if (unlikely(!enic_cq_rx_desc_ipv4_csum_ok(cqrd))) pkt_flags |= PKT_RX_IP_CKSUM_BAD; - if (mbuf->packet_type & (RTE_PTYPE_L4_UDP | RTE_PTYPE_L4_TCP)) { + if (l4_flags == RTE_PTYPE_L4_UDP || + l4_flags == RTE_PTYPE_L4_TCP) { if (unlikely(!enic_cq_rx_desc_tcp_udp_csum_ok(cqrd))) pkt_flags |= PKT_RX_L4_CKSUM_BAD; } @@ -224,6 +222,17 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) mbuf->ol_flags = pkt_flags; } +/* dummy receive function to replace actual function in + * order to do safe reconfiguration operations. + */ +uint16_t +enic_dummy_recv_pkts(__rte_unused void *rx_queue, + __rte_unused struct rte_mbuf **rx_pkts, + __rte_unused uint16_t nb_pkts) +{ + return 0; +} + uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) @@ -300,6 +309,7 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, (struct cq_enet_rq_desc *)&cqd); /* Push descriptor for newly allocated mbuf */ + nmb->data_off = RTE_PKTMBUF_HEADROOM; dma_addr = (dma_addr_t)(nmb->buf_physaddr + RTE_PKTMBUF_HEADROOM); rq_enet_desc_enc(rqd_ptr, dma_addr, @@ -398,7 +408,14 @@ static inline void enic_free_wq_bufs(struct vnic_wq *wq, u16 completed_index) pool = ((struct rte_mbuf *)buf->mb)->pool; for (i = 0; i < nb_to_free; i++) { buf = &wq->bufs[tail_idx]; - m = (struct rte_mbuf *)(buf->mb); + m = __rte_pktmbuf_prefree_seg((struct rte_mbuf *)(buf->mb)); + buf->mb = NULL; + + if (unlikely(m == NULL)) { + tail_idx = enic_ring_incr(desc_count, tail_idx); + continue; + } + if (likely(m->pool == pool)) { RTE_ASSERT(nb_free < ENIC_MAX_WQ_DESCS); free[nb_free++] = m; @@ -409,10 +426,10 @@ static inline void enic_free_wq_bufs(struct vnic_wq *wq, u16 completed_index) pool = m->pool; } tail_idx = enic_ring_incr(desc_count, tail_idx); - buf->mb = NULL; } - rte_mempool_put_bulk(pool, (void **)free, nb_free); + if (nb_free > 0) + rte_mempool_put_bulk(pool, (void **)free, nb_free); wq->tail_idx = tail_idx; wq->ring.desc_avail += nb_to_free; @@ -463,16 +480,23 @@ uint16_t enic_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, for (index = 0; index < nb_pkts; index++) { tx_pkt = *tx_pkts++; + pkt_len = tx_pkt->pkt_len; + data_len = tx_pkt->data_len; + ol_flags = tx_pkt->ol_flags; nb_segs = tx_pkt->nb_segs; + + if (pkt_len > ENIC_TX_MAX_PKT_SIZE) { + rte_pktmbuf_free(tx_pkt); + rte_atomic64_inc(&enic->soft_stats.tx_oversized); + continue; + } + if (nb_segs > wq_desc_avail) { if (index > 0) goto post; goto done; } - pkt_len = tx_pkt->pkt_len; - data_len = tx_pkt->data_len; - ol_flags = tx_pkt->ol_flags; mss = 0; vlan_id = 0; vlan_tag_insert = 0;