Hi Jasvinder, > -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Iremonger, Bernard > Sent: Monday, December 4, 2017 4:46 PM > To: Singh, Jasvinder <jasvinder.si...@intel.com>; dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH 2/3] lib/librte_flow_classy: add run api for > flow > classification > > Hi Jasvinder, > > > -----Original Message----- > > From: Singh, Jasvinder > > Sent: Thursday, November 23, 2017 11:32 AM > > To: dev@dpdk.org > > Cc: Iremonger, Bernard <bernard.iremon...@intel.com> > > Subject: [PATCH 2/3] lib/librte_flow_classy: add run api for flow > > classification > > > > This patch extends the flow classification library by adding run api. > > This function classifies the packets based on the flow rules stored in > > the classifier table. > > During lookup operation, the table entry is identified on lookup hit > > and based on meta-data stored at table entry, actions are performed on > > the current packet. > > The meta-information about the actions stored in the table entry is > > determined from the actions fields specified in flow rules. > > > > Signed-off-by: Jasvinder Singh <jasvinder.si...@intel.com> > > --- > > lib/librte_flow_classify/rte_flow_classify.c | 56 > > ++++++++++++++++++++++ > > lib/librte_flow_classify/rte_flow_classify.h | 24 ++++++++++ > > .../rte_flow_classify_version.map | 1 + > > 3 files changed, 81 insertions(+) > > > > diff --git a/lib/librte_flow_classify/rte_flow_classify.c > > b/lib/librte_flow_classify/rte_flow_classify.c > > index ff1bc86..5433bfe 100644 > > --- a/lib/librte_flow_classify/rte_flow_classify.c > > +++ b/lib/librte_flow_classify/rte_flow_classify.c > > @@ -37,6 +37,9 @@ > > #include <rte_table_acl.h> > > #include <stdbool.h> > > > > +#define RTE_PKT_METADATA_PTR(pkt, offset) \ > > + (&((uint32_t *)(pkt))[offset]) > > + > > int librte_flow_classify_logtype; > > > > static uint32_t unique_id = 1; > > @@ -674,6 +677,59 @@ action_apply(struct rte_flow_classifier *cls, } > > > > int > > +rte_flow_classifier_run(struct rte_flow_classifier *cls, > > + struct rte_mbuf **pkts, > > + const uint16_t nb_pkts, > > + uint32_t pkt_offset) > > +{ > > + struct rte_flow_action_mark *mark; > > + struct classify_action *action; > > + uint64_t pkts_mask = RTE_LEN2MASK(nb_pkts, uint64_t); > > + uint64_t action_mask; > > + uint32_t *ptr, i, j; > > + int ret = -EINVAL; > > + > > + if (!cls || !pkts || nb_pkts == 0) > > + return ret; > > + > > + for (i = 0; i < cls->num_tables; i++) { > > + if (cls->table_mask & (1LU << i)) { > > + struct rte_cls_table *table = &cls->tables[i]; > > + uint64_t lookup_hit_mask; > > + > > + ret = table->ops.f_lookup(table->h_table, > > + pkts, pkts_mask, &lookup_hit_mask, > > + (void **)cls->entries); > > + if (ret) > > + return ret; > > + > > + if (lookup_hit_mask) { > > + for (j = 0; j < nb_pkts; j++) { > > + uint64_t pkt_mask = 1LLU << j; > > + > > + if ((lookup_hit_mask & pkt_mask) == > > 0) > > + continue; > > + /* Meta-data */ > > + enum rte_flow_action_type act_type > > = > > + > > RTE_FLOW_ACTION_TYPE_MARK; > > + action = &cls->entries[j]->action; > > + action_mask = action->action_mask; > > + > > + if (action_mask & (1LLU << act_type)) > > { > > + mark = &action->act.mark; > > + ptr = > > RTE_PKT_METADATA_PTR( > > + pkts[j], pkt_offset); > > + *ptr = mark->id; > > + } > > + } > > + } > > + } > > + } > > + > > + return 0; > > +} > > + > > +int > > rte_flow_classifier_query(struct rte_flow_classifier *cls, > > struct rte_mbuf **pkts, > > const uint16_t nb_pkts, > > diff --git a/lib/librte_flow_classify/rte_flow_classify.h > > b/lib/librte_flow_classify/rte_flow_classify.h > > index b9b669f..b74bd11 100644 > > --- a/lib/librte_flow_classify/rte_flow_classify.h > > +++ b/lib/librte_flow_classify/rte_flow_classify.h > > @@ -273,6 +273,30 @@ rte_flow_classify_table_entry_delete(struct > > rte_flow_classifier *cls, > > struct rte_flow_classify_rule *rule); > > > > /** > > + * Flow classifier run. > > + * > > + * As a result of lookup operation, flow classifer idenfies the > > + * table entries that are hit and executes the actions on the packets. > > + * > > + * @param[in] cls > > + * Flow classifier handle > > + * @param[in] pkts > > + * Pointer to packets to process > > + * @param[in] nb_pkts > > + * Number of packets to process > > + * @param[in] pkt_offset > > + * Offset to store action metadata in the mbuf headroom > > + * > > + * @return > > + * 0 on success, error code otherwise. > > + */ > > +int > > +rte_flow_classifier_run(struct rte_flow_classifier *cls, > > + struct rte_mbuf **pkts, > > + const uint16_t nb_pkts, > > + uint32_t pkt_offset); > > + > > +/** > > * Query flow classifier for given rule. > > * > > * @param[in] cls > > diff --git a/lib/librte_flow_classify/rte_flow_classify_version.map > > b/lib/librte_flow_classify/rte_flow_classify_version.map > > index 49bc25c..b51cb1a 100644 > > --- a/lib/librte_flow_classify/rte_flow_classify_version.map > > +++ b/lib/librte_flow_classify/rte_flow_classify_version.map > > @@ -4,6 +4,7 @@ EXPERIMENTAL { > > rte_flow_classifier_create; > > rte_flow_classifier_free; > > rte_flow_classifier_query; > > + rte_flow_classifier_run; > > rte_flow_classify_table_create; > > rte_flow_classify_table_entry_add; > > rte_flow_classify_table_entry_delete; > > -- > > 2.9.3 > > This patch fails to apply to the 18.02 master branch, a rebase may be needed. > > Regards, > > Bernard.
False alarm, the patch applies ok on a fresh checkout. Regards, Bernard.
