From 23650e6cada50246ba211cec168ddd6738a26f67 Mon Sep 17 00:00:00 2001 From: John Lo Date: Tue, 29 Mar 2016 16:14:35 -0400 Subject: Update ENIC driver patches for DPDK 2.2.0 This includes all patches in ENIC driver which are up-streamed to DPDK to improve RX performance, fix buffer/error handling and interoperation with link bonding PMD library. Change-Id: Id4c71a350d5234834951f9261c69db5476ba396b Signed-off-by: John Lo --- ...0018-enic-remove-packet-error-conditional.patch | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch (limited to 'dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch') diff --git a/dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch b/dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch new file mode 100644 index 00000000000..d3084c84c9e --- /dev/null +++ b/dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch @@ -0,0 +1,53 @@ +commit 50765c820e98a4434efbc0a58df4b9d78afb7a5f +Author: John Daley +Date: Thu Mar 17 15:57:07 2016 -0700 + + enic: remove packet error conditional + + small cleanup to remove conditional. + + Signed-off-by: John Daley + +diff --git a/drivers/net/enic/enic_rx.c b/drivers/net/enic/enic_rx.c +index 817a891..232987a 100644 +--- a/drivers/net/enic/enic_rx.c ++++ b/drivers/net/enic/enic_rx.c +@@ -266,7 +266,6 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + nb_hold = rq->rx_nb_hold; /* mbufs held by software */ + + while (nb_rx < nb_pkts) { +- uint16_t rx_pkt_len; + volatile struct rq_enet_desc *rqd_ptr; + dma_addr_t dma_addr; + struct cq_desc cqd; +@@ -295,10 +294,6 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + + /* A packet error means descriptor and data are untrusted */ + packet_error = enic_cq_rx_to_pkt_err_flags(&cqd, &ol_err_flags); +- if (!packet_error) +- rx_pkt_len = enic_cq_rx_desc_n_bytes(&cqd); +- else +- rx_pkt_len = 0; + + /* Get the mbuf to return and replace with one just allocated */ + rxmb = rq->mbuf_ring[rx_id]; +@@ -327,16 +322,17 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + rxmb->data_off = RTE_PKTMBUF_HEADROOM; + rxmb->nb_segs = 1; + rxmb->next = NULL; +- rxmb->pkt_len = rx_pkt_len; +- rxmb->data_len = rx_pkt_len; + rxmb->port = enic->port_id; + if (!packet_error) { ++ rxmb->pkt_len = enic_cq_rx_desc_n_bytes(&cqd); + rxmb->packet_type = enic_cq_rx_flags_to_pkt_type(&cqd); + enic_cq_rx_to_pkt_flags(&cqd, rxmb); + } else { ++ rxmb->pkt_len = 0; + rxmb->packet_type = 0; + rxmb->ol_flags = 0; + } ++ rxmb->data_len = rxmb->pkt_len; + + /* prefetch mbuf data for caller */ + rte_packet_prefetch(RTE_PTR_ADD(rxmb->buf_addr, -- cgit 1.2.3-korg