diff options
Diffstat (limited to 'dpdk/dpdk-2.2.0_patches/0016-enic-fix-mbuf-flags-on-Rx.patch')
| -rw-r--r-- | dpdk/dpdk-2.2.0_patches/0016-enic-fix-mbuf-flags-on-Rx.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/dpdk/dpdk-2.2.0_patches/0016-enic-fix-mbuf-flags-on-Rx.patch b/dpdk/dpdk-2.2.0_patches/0016-enic-fix-mbuf-flags-on-Rx.patch new file mode 100644 index 00000000..e8f74db5 --- /dev/null +++ b/dpdk/dpdk-2.2.0_patches/0016-enic-fix-mbuf-flags-on-Rx.patch @@ -0,0 +1,38 @@ +commit 3253bbc79c8a1eddf791d9ec11bcea4a004d258e +Author: John Daley <johndale@cisco.com> +Date: Thu Mar 17 15:57:05 2016 -0700 + + enic: fix mbuf flags on Rx + + In the receive path, the function to set mbuf ol_flags used the + mbuf packet_type before it was set. + + Fixes: 947d860c821f ("enic: improve Rx performance") + + Signed-off-by: John Daley <johndale@cisco.com> + +diff --git a/drivers/net/enic/enic_rx.c b/drivers/net/enic/enic_rx.c +index 945a60f..59ebaa4 100644 +--- a/drivers/net/enic/enic_rx.c ++++ b/drivers/net/enic/enic_rx.c +@@ -210,7 +210,7 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) + ciflags = enic_cq_rx_desc_ciflags(cqrd); + bwflags = enic_cq_rx_desc_bwflags(cqrd); + +- ASSERT(mbuf->ol_flags == 0); ++ mbuf->ol_flags = 0; + + /* flags are meaningless if !EOP */ + if (unlikely(!enic_cq_rx_desc_eop(ciflags))) +@@ -340,10 +340,10 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + rxmb->pkt_len = rx_pkt_len; + rxmb->data_len = rx_pkt_len; + rxmb->port = enic->port_id; ++ rxmb->packet_type = enic_cq_rx_flags_to_pkt_type(&cqd); + rxmb->ol_flags = ol_err_flags; + if (!ol_err_flags) + enic_cq_rx_to_pkt_flags(&cqd, rxmb); +- rxmb->packet_type = enic_cq_rx_flags_to_pkt_type(&cqd); + + /* prefetch mbuf data for caller */ + rte_packet_prefetch(RTE_PTR_ADD(rxmb->buf_addr, |