diff options
| author |   Dave Barach <dave@barachs.net> | 2016-06-09 09:50:17 -0400 |
|---|---|---|
| committer | Dave Barach <dave@barachs.net> | 2016-06-09 09:50:38 -0400 |
| commit | cf2aa43150c0551cc4d488c55d6673b611aede87 (patch) | |
| tree | bd8baf0e2664ab31514025147cd285db9cd279c0 /vnet/vnet/devices/dpdk/node.c | |
| parent | 363db8809514dad0dc657c55aaf79139a45830f8 (diff) | |
VPP-106: fix performance hit due to unprefetched data read
Change-Id: I1325b60b6deadcb51631e178011a31ee70c06cc7
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'vnet/vnet/devices/dpdk/node.c')
| -rw-r--r-- | vnet/vnet/devices/dpdk/node.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vnet/vnet/devices/dpdk/node.c b/vnet/vnet/devices/dpdk/node.c index a7590a5c566..467453ccb37 100644 --- a/vnet/vnet/devices/dpdk/node.c +++ b/vnet/vnet/devices/dpdk/node.c @@ -303,9 +303,9 @@ dpdk_rx_next_and_error_from_mb_flags_x1 (dpdk_device_t *xd, struct rte_mbuf *mb, else { *error0 = DPDK_ERROR_NONE; - if (xd->per_interface_next_index != ~0) + if (PREDICT_FALSE(xd->per_interface_next_index != ~0)) n0 = xd->per_interface_next_index; - else if (mb_flags & PKT_RX_VLAN_PKT) + else if (PREDICT_FALSE(xd->vlan_subifs || (mb_flags & PKT_RX_VLAN_PKT))) n0 = DPDK_RX_NEXT_ETHERNET_INPUT; else { |