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dpif-netdev: Add per-pmd flow-table/classifier.

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This commit changes the per dpif-netdev datapath flow-table/
classifier to per pmd-thread.  As direct benefit, datapath
and flow statistics no longer need to be protected by mutex
or be declared as per-thread variable, since they are only
written by the owning pmd thread.

As side effects, the flow-dump output of userspace datapath
can contain overlapping flows.  To reduce confusion, the dump
from different pmd thread will be separated by a title line.
In addition, the flow operations via 'ovs-appctl dpctl/*'
are modified so that if the given flow in_port corresponds
to a dpdk interface, the operation will be conducted to all
pmd threads recv from that interface (expect for flow-get
which will always be applied to non-pmd threads).

Signed-off-by: Alex Wang <alexw@nicira.com>
Tested-by: Mark D. Gray <mark.d.gray@intel.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Alex Wang
2014-10-12 18:18:47 -07:00
parent 9da2564e2b
commit 1c1e46ed84
7 changed files with 448 additions and 259 deletions
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1
lib/dpif-netlink.c
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@@ -1430,6 +1430,7 @@ dpif_netlink_flow_to_dpif_flow(struct dpif *dpif, struct dpif_flow *dpif_flow,
dpif_flow->ufid_present = datapath_flow->ufid_present;
if (datapath_flow->ufid_present) {
dpif_flow->ufid = datapath_flow->ufid;
dpif_flow->pmd_id = PMD_ID_NULL;
} else {
ovs_assert(datapath_flow->key && datapath_flow->key_len);
dpif_flow_hash(dpif, datapath_flow->key, datapath_flow->key_len,