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authorJohn Lo <loj@cisco.com>2016-03-29 16:14:35 -0400
committerJohn Lo <loj@cisco.com>2016-03-29 16:14:35 -0400
commit23650e6cada50246ba211cec168ddd6738a26f67 (patch)
tree0d3e05b84f1ded554d1bf70a60534092aaf63725 /dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch
parent13f3c450ccd03ed00a6a114061faedd1fc553ddd (diff)
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 <loj@cisco.com>
Diffstat (limited to 'dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch')
-rw-r--r--dpdk/dpdk-2.2.0_patches/0018-enic-remove-packet-error-conditional.patch53
1 files changed, 53 insertions, 0 deletions
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 <johndale@cisco.com>
+Date: Thu Mar 17 15:57:07 2016 -0700
+
+ enic: remove packet error conditional
+
+ small cleanup to remove conditional.
+
+ 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 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,