diff options
| author |   Dave Barach <dave@barachs.net> | 2016-06-09 08:39:47 -0400 |
|---|---|---|
| committer |   Damjan Marion <damarion@cisco.com> | 2016-06-09 13:41:58 +0000 |
| commit | 3f3b085c8e1ca12f3325a06d4378e74c120ff038 (patch) | |
| tree | d66b57f6332699b268fa783137b382824e3398c1 /vnet/vnet/devices/dpdk/node.c | |
| parent | 55ef1b1f8035b4ade23e5a0c4923ca491a26bdc2 (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 2c90d80a31e..d22838f1f06 100644 --- a/vnet/vnet/devices/dpdk/node.c +++ b/vnet/vnet/devices/dpdk/node.c @@ -305,9 +305,9 @@ 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 { |