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| author | Zoltan Kiss <zoltan.kiss@linaro.org> | 2015-10-22 18:10:27 +0100 |
|---|---|---|
| committer | Zoltan Kiss <zoltan.kiss@linaro.org> | 2016-04-05 17:57:39 +0100 |
| commit | 8f98714b1bd818aaf97da0dfc338d963f3aec143 (patch) | |
| tree | 5387ddc5d5ddbd09c4b083cc253156d4f04de8bb | |
| parent | 0af1affc900873b81e134d90a6d7f9d9670cb303 (diff) | |
netdev-odp: prefetch packet header immediatelyODP_1.8
Since "dpif-netdev: move header prefetch earlier into the receive function"
emc_processing doesn't do that, it has to be done right after receive.
Signed-off-by: Zoltan Kiss <zoltan.kiss@linaro.org>
| -rw-r--r-- | lib/netdev-odp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/netdev-odp.c b/lib/netdev-odp.c index 09405b781..d29147056 100644 --- a/lib/netdev-odp.c +++ b/lib/netdev-odp.c @@ -620,8 +620,10 @@ netdev_odp_rxq_recv(struct netdev_rxq *rxq_, struct dp_packet **packets, /* Build the array of dp_packet pointers */ for (i = 0; i < pkts; i++) { packets[i] = (struct dp_packet*) odp_packet_user_area(pkt_tbl[i]); - OVS_PREFETCH(packets[i]); + ovs_prefetch_range((void*)packets[i], offsetof(struct dp_packet, md) + offsetof(struct pkt_metadata, tunnel.ip_src)); + OVS_PREFETCH(odp_packet_data(pkt_tbl[i])); } + for (i = 0; i < pkts; i++) { packets[i]->odp_pkt = pkt_tbl[i]; dp_packet_init_odp(packets[i], SHM_PKT_POOL_BUF_SIZE); |