diff options
| author |   John Lo <loj@cisco.com> | 2016-03-29 16:14:35 -0400 |
|---|---|---|
| committer | John Lo <loj@cisco.com> | 2016-03-29 16:14:35 -0400 |
| commit | 23650e6cada50246ba211cec168ddd6738a26f67 (patch) | |
| tree | 0d3e05b84f1ded554d1bf70a60534092aaf63725 /dpdk/dpdk-2.2.0_patches/0012-enic-fix-last-packet-not-being-sent.patch | |
| parent | 13f3c450ccd03ed00a6a114061faedd1fc553ddd (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/0012-enic-fix-last-packet-not-being-sent.patch')
| -rw-r--r-- | dpdk/dpdk-2.2.0_patches/0012-enic-fix-last-packet-not-being-sent.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dpdk/dpdk-2.2.0_patches/0012-enic-fix-last-packet-not-being-sent.patch b/dpdk/dpdk-2.2.0_patches/0012-enic-fix-last-packet-not-being-sent.patch new file mode 100644 index 00000000000..181ca912f32 --- /dev/null +++ b/dpdk/dpdk-2.2.0_patches/0012-enic-fix-last-packet-not-being-sent.patch @@ -0,0 +1,34 @@ +commit aba31298526865f5db99eaa54b63eb39dc95b74f +Author: John Daley <johndale@cisco.com> +Date: Tue Mar 8 10:49:07 2016 -0800 + + enic: fix last packet not being sent + + The last packet of the tx burst function array was not being + emitted until the subsequent call. The nic descriptor index + was being set to the current tx descriptor instead of one past + the descriptor as required by the nic. + + Fixes: d739ba4c6abf ("enic: improve Tx packet rate") + + Signed-off-by: John Daley <johndale@cisco.com> + +diff --git a/drivers/net/enic/base/enic_vnic_wq.h b/drivers/net/enic/base/enic_vnic_wq.h +index e3ea574..b019109 100644 +--- a/drivers/net/enic/base/enic_vnic_wq.h ++++ b/drivers/net/enic/base/enic_vnic_wq.h +@@ -69,11 +69,11 @@ static inline void enic_vnic_post_wq(struct vnic_wq *wq, + buf->wr_id = wrid; + + buf = buf->next; +- if (cq_entry) +- enic_vnic_post_wq_index(wq); ++ wq->ring.desc_avail -= desc_skip_cnt; + wq->to_use = buf; + +- wq->ring.desc_avail -= desc_skip_cnt; ++ if (cq_entry) ++ enic_vnic_post_wq_index(wq); + } + + #endif /* _ENIC_VNIC_WQ_H_ */ |