Hi Sugesh,
I can update documentation. Is it enough to update dpdk.rst.txt only?
If not - can you please send a link to additional files with references to 
17.11 to be updated?
I will wait 1-2 days to get more reviews then will send v3.

Regards,
Ophir

> -----Original Message-----
> From: Chandran, Sugesh [mailto:[email protected]]
> Sent: Thursday, September 13, 2018 2:58 PM
> To: Ophir Munk <[email protected]>; '[email protected]'
> <[email protected]>
> Cc: Asaf Penso <[email protected]>; Stokes, Ian
> <[email protected]>; 'Ben Pfaff' <[email protected]>; Shahaf Shuler
> <[email protected]>; Thomas Monjalon <[email protected]>;
> Olga Shern <[email protected]>; 'Kevin Traynor' <[email protected]>
> Subject: RE: [dpdk-howl PATCH v2] netdev-dpdk: Upgrade to dpdk v18.08.0
> 
> Hi Ophir,
> 
> Also a quick grep show there are number of places in documentation still
> pointing to DPDK17.11, I guess its worth while to change them as well.
> This will avoid confusion for people who wanted to use this branch, What do
> you think?
> 
> 
> 
> Regards
> _Sugesh
> 
> 
> > -----Original Message-----
> > From: Chandran, Sugesh
> > Sent: Wednesday, September 12, 2018 5:05 PM
> > To: Ophir Munk <[email protected]>; [email protected]
> > Cc: Asaf Penso <[email protected]>; Stokes, Ian
> > <[email protected]>; Ben Pfaff <[email protected]>; Shahaf Shuler
> > <[email protected]>; Thomas Monjalon <[email protected]>;
> Olga
> > Shern <[email protected]>; Kevin Traynor <[email protected]>
> > Subject: RE: [dpdk-howl PATCH v2] netdev-dpdk: Upgrade to dpdk
> > v18.08.0
> >
> > Hi Ophir,
> > I verified this patch in our test lab and looks fine to me.
> > I have couple of minor comments in the V1 series. Could you please
> > take care of them as well?
> >
> >
> > Regards
> > _Sugesh
> >
> > > -----Original Message-----
> > > From: Ophir Munk [mailto:[email protected]]
> > > Sent: Tuesday, September 11, 2018 12:05 AM
> > > To: [email protected]
> > > Cc: Asaf Penso <[email protected]>; Chandran, Sugesh
> > > <[email protected]>; Stokes, Ian <[email protected]>; Ben
> > > Pfaff <[email protected]>; Shahaf Shuler <[email protected]>; Thomas
> > > Monjalon <[email protected]>; Olga Shern <[email protected]>;
> > Ophir
> > > Munk <[email protected]>; Kevin Traynor
> <[email protected]>
> > > Subject: [dpdk-howl PATCH v2] netdev-dpdk: Upgrade to dpdk v18.08.0
> > >
> > > 1. Enable compilation and linkage with dpdk 18.08.0 The following
> > > dpdk commits which were introduced after dpdk 17.11.x require OVS
> > > updates to accommodate to the dpdk changes.
> > > - ce17eddefc20 ("ethdev: introduce Rx queue offloads API")
> > > - ab3ce1e0c193 ("ethdev: remove old offload API")
> > > - c06ddf9698e0 ("meter: add configuration profile")
> > > - e58638c32411 ("ethdev: fix TPID handling in flow API")
> > > - cd8c7c7ce241 ("ethdev: replace bus specific struct with generic
> > > dev")
> > > - ac8d22de2394 ("ethdev: flatten RSS configuration in flow API")
> > >
> > > 2. Limit configured rss hash functions to only those supported by
> > > the eth
> > device.
> > >
> > > 3. Update references to DPDK version in Documentation
> > >
> > > 4. Update DPDK version in travis' linux-build script
> > >
> > > Signed-off-by: Ophir Munk <[email protected]>
> > > ---
> > > v1:
> > > First version
> > >
> > > v2:
> > > Avoid seg faults cases as described in
> > >
> https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp
> > >
> atchwork.ozlabs.org%2Fpatch%2F965451%2F&amp;data=02%7C01%7Cophi
> rmu%4
> > >
> 0mellanox.com%7Ccc4dcac1d427416c8dc508d619703178%7Ca652971c7d2
> e4d9ba
> > >
> 6a4d149256f461b%7C0%7C0%7C636724366985653825&amp;sdata=CFZjVD
> Rd6w0TP
> > > x7lKWOkUVEh28aoyrpl%2Fop635Vrlx0%3D&amp;reserved=0
> > > by using the patch in:
> > >
> https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fg
> > > ithub.com%2Fkevintraynor%2Fovs-dpdk-
> &amp;data=02%7C01%7Cophirmu%40me
> > >
> llanox.com%7Ccc4dcac1d427416c8dc508d619703178%7Ca652971c7d2e4d9
> ba6a4
> > >
> d149256f461b%7C0%7C0%7C636724366985653825&amp;sdata=%2F2B4uH
> HAHGma%2
> > > F48VS2I3QsMm%2ByO3LMZdaHlxVKJ9JYg%3D&amp;reserved=0
> > > master/commit/88f46cc5ab338eb4f3ca5db1eacd0effefe4fa0c
> > >
> > >  .travis/linux-build.sh         |   2 +-
> > >  Documentation/faq/releases.rst |   2 +-
> > >  lib/netdev-dpdk.c              | 142 +++++++++++++++++++++++++++++-------
> -----
> > >  3 files changed, 104 insertions(+), 42 deletions(-)
> > >
> > > diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh index
> > > 4b9fc4a..c60ac71
> > > 100755
> > > --- a/.travis/linux-build.sh
> > > +++ b/.travis/linux-build.sh
> > > @@ -83,7 +83,7 @@ fi
> > >
> > >  if [ "$DPDK" ]; then
> > >      if [ -z "$DPDK_VER" ]; then
> > > -        DPDK_VER="17.11.3"
> > > +        DPDK_VER="18.08.0"
> > >      fi
> > >      install_dpdk $DPDK_VER
> > >      if [ "$CC" = "clang" ]; then
> > > diff --git a/Documentation/faq/releases.rst
> > > b/Documentation/faq/releases.rst index 41d41e3..646ae09 100644
> > > --- a/Documentation/faq/releases.rst
> > > +++ b/Documentation/faq/releases.rst
> > > @@ -168,7 +168,7 @@ Q: What DPDK version does each Open vSwitch
> > > release work with?
> > >      2.7.x        16.11.7
> > >      2.8.x        17.05.2
> > >      2.9.x        17.11.3
> > > -    2.10.x       17.11.3
> > > +    2.10.x       18.08.0
> > >      ============ =======
> > >
> > >  Q: Are all the DPDK releases that OVS versions work with maintained?
> > > diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c index
> > > f91aa27..6879e9a
> > > 100644
> > > --- a/lib/netdev-dpdk.c
> > > +++ b/lib/netdev-dpdk.c
> > > @@ -168,11 +168,7 @@ static const struct rte_eth_conf port_conf = {
> > >      .rxmode = {
> > >          .mq_mode = ETH_MQ_RX_RSS,
> > >          .split_hdr_size = 0,
> > > -        .header_split   = 0, /* Header Split disabled */
> > > -        .hw_ip_checksum = 0, /* IP checksum offload disabled */
> > > -        .hw_vlan_filter = 0, /* VLAN filtering disabled */
> > > -        .jumbo_frame    = 0, /* Jumbo Frame Support disabled */
> > > -        .hw_strip_crc   = 0,
> > > +        .offloads = 0,
> > >      },
> > >      .rx_adv_conf = {
> > >          .rss_conf = {
> > > @@ -364,6 +360,7 @@ struct dpdk_ring {  struct ingress_policer {
> > >      struct rte_meter_srtcm_params app_srtcm_params;
> > >      struct rte_meter_srtcm in_policer;
> > > +    struct rte_meter_srtcm_profile in_prof;
> > >      rte_spinlock_t policer_lock;
> > >  };
> > >
> > > @@ -894,6 +891,8 @@ dpdk_eth_dev_port_config(struct netdev_dpdk
> > > *dev, int n_rxq, int n_txq)
> > >      struct rte_eth_dev_info info;
> > >      uint16_t conf_mtu;
> > >
> > > +    rte_eth_dev_info_get(dev->port_id, &info);
> > > +
> > >      /* As of DPDK 17.11.1 a few PMDs require to explicitly enable
> > >       * scatter to support jumbo RX. Checking the offload capabilities
> > >       * is not an option as PMDs are not required yet to report @@
> > > -901,20
> > > +900,24 @@ dpdk_eth_dev_port_config(struct netdev_dpdk *dev, int
> > > +n_rxq, int
> > > n_txq)
> > >       * (testing or code review). Listing all such PMDs feels harder
> > >       * than highlighting the one known not to need scatter */
> > >      if (dev->mtu > ETHER_MTU) {
> > > -        rte_eth_dev_info_get(dev->port_id, &info);
> > >          if (strncmp(info.driver_name, "net_nfp", 7)) {
> > > -            conf.rxmode.enable_scatter = 1;
> > > +            conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
> > >          }
> > >      }
> > >
> > >      conf.intr_conf.lsc = dev->lsc_interrupt_mode;
> > > -    conf.rxmode.hw_ip_checksum = (dev->hw_ol_features &
> > > -                                  NETDEV_RX_CHECKSUM_OFFLOAD) != 0;
> > > +    conf.rxmode.offloads |= ((dev->hw_ol_features &
> > > +                             NETDEV_RX_CHECKSUM_OFFLOAD) != 0) ?
> > > +                             DEV_RX_OFFLOAD_CHECKSUM : 0;
> > >
> > >      if (dev->hw_ol_features & NETDEV_RX_HW_CRC_STRIP) {
> > > -        conf.rxmode.hw_strip_crc = 1;
> > > +        conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
> > >      }
> > >
> > > +    /* Limit configured rss hash functions to only those supported
> > > +     * by the eth device. */
> > > +    conf.rx_adv_conf.rss_conf.rss_hf &=
> > > + info.flow_type_rss_offloads;
> > > +
> > >      /* A device may report more queues than it makes available (this has
> > >       * been observed for Intel xl710, which reserves some of them for
> > >       * SRIOV):  rte_eth_*_queue_setup will fail if a queue is not
> > > @@
> > > -1932,16
> > > +1935,18 @@ netdev_dpdk_eth_tx_burst(struct netdev_dpdk *dev, int
> > > +qid,
> > >
> > >  static inline bool
> > >  netdev_dpdk_policer_pkt_handle(struct rte_meter_srtcm *meter,
> > > +                               struct rte_meter_srtcm_profile
> > > + *profile,
> > >                                 struct rte_mbuf *pkt, uint64_t time)  {
> > >      uint32_t pkt_len = rte_pktmbuf_pkt_len(pkt) - sizeof(struct
> > > ether_hdr);
> > >
> > > -    return rte_meter_srtcm_color_blind_check(meter, time, pkt_len) ==
> > > +    return rte_meter_srtcm_color_blind_check(meter, profile, time,
> > > + pkt_len) ==
> > >                                                  e_RTE_METER_GREEN;
> > > }
> > >
> > >  static int
> > >  netdev_dpdk_policer_run(struct rte_meter_srtcm *meter,
> > > +                        struct rte_meter_srtcm_profile *profile,
> > >                          struct rte_mbuf **pkts, int pkt_cnt,
> > >                          bool should_steal)  { @@ -1953,7 +1958,8 @@
> > > netdev_dpdk_policer_run(struct rte_meter_srtcm *meter,
> > >      for (i = 0; i < pkt_cnt; i++) {
> > >          pkt = pkts[i];
> > >          /* Handle current packet */
> > > -        if (netdev_dpdk_policer_pkt_handle(meter, pkt, current_time)) {
> > > +        if (netdev_dpdk_policer_pkt_handle(meter, profile, pkt,
> > > +                                                 current_time)) {
> > >              if (cnt != i) {
> > >                  pkts[cnt] = pkt;
> > >              }
> > > @@ -1975,8 +1981,8 @@ ingress_policer_run(struct ingress_policer
> > > *policer, struct rte_mbuf **pkts,
> > >      int cnt = 0;
> > >
> > >      rte_spinlock_lock(&policer->policer_lock);
> > > -    cnt = netdev_dpdk_policer_run(&policer->in_policer, pkts,
> > > -                                  pkt_cnt, should_steal);
> > > +    cnt = netdev_dpdk_policer_run(&policer->in_policer, &policer-
> >in_prof,
> > > +                                  pkts, pkt_cnt, should_steal);
> > >      rte_spinlock_unlock(&policer->policer_lock);
> > >
> > >      return cnt;
> > > @@ -2767,8 +2773,15 @@ netdev_dpdk_policer_construct(uint32_t
> rate,
> > > uint32_t burst)
> > >      policer->app_srtcm_params.cir = rate_bytes;
> > >      policer->app_srtcm_params.cbs = burst_bytes;
> > >      policer->app_srtcm_params.ebs = 0;
> > > +    err = rte_meter_srtcm_profile_config(&policer->in_prof,
> > > +                                         &policer->app_srtcm_params);
> > > +    if (err) {
> > > +        VLOG_ERR("Could not create rte meter profile for ingress 
> > > policer");
> > > +        free(policer);
> > > +        return NULL;
> > > +    }
> > >      err = rte_meter_srtcm_config(&policer->in_policer,
> > > -                                    &policer->app_srtcm_params);
> > > +                                    &policer->in_prof);
> > >      if (err) {
> > >          VLOG_ERR("Could not create rte meter for ingress policer");
> > >          free(policer);
> > > @@ -3043,13 +3056,18 @@ netdev_dpdk_get_status(const struct
> netdev
> > > *netdev, struct smap *args)
> > >      smap_add_format(args, "if_descr", "%s %s", rte_version(),
> > >
> > > dev_info.driver_name);
> > >
> > > -    if (dev_info.pci_dev) {
> > > -        smap_add_format(args, "pci-vendor_id", "0x%x",
> > > -                        dev_info.pci_dev->id.vendor_id);
> > > -        smap_add_format(args, "pci-device_id", "0x%x",
> > > -                        dev_info.pci_dev->id.device_id);
> > > +    const struct rte_bus *bus;
> > > +    const struct rte_pci_device *pci_dev;
> > > +    bus = rte_bus_find_by_device(dev_info.device);
> > > +    if (bus && !strcmp(bus->name, "pci")) {
> > > +        pci_dev = RTE_DEV_TO_PCI(dev_info.device);
> > > +        if (pci_dev) {
> > > +            smap_add_format(args, "pci-vendor_id", "0x%u",
> > > +                            pci_dev->id.vendor_id);
> > > +             smap_add_format(args, "pci-device_id", "0x%x",
> > > +                             pci_dev->id.device_id);
> > > +        }
> > >      }
> > > -
> > >      return 0;
> > >  }
> > >
> > > @@ -3727,6 +3745,7 @@ struct egress_policer {
> > >      struct qos_conf qos_conf;
> > >      struct rte_meter_srtcm_params app_srtcm_params;
> > >      struct rte_meter_srtcm egress_meter;
> > > +    struct rte_meter_srtcm_profile egress_prof;
> > >  };
> > >
> > >  static void
> > > @@ -3749,8 +3768,16 @@ egress_policer_qos_construct(const struct
> > > smap *details,
> > >      policer = xmalloc(sizeof *policer);
> > >      qos_conf_init(&policer->qos_conf, &egress_policer_ops);
> > >      egress_policer_details_to_param(details,
> > > &policer->app_srtcm_params);
> > > +    err = rte_meter_srtcm_profile_config(&policer->egress_prof,
> > > +                                         &policer->app_srtcm_params);
> > > +    if (err) {
> > > +        free(policer);
> > > +        *conf = NULL;
> > > +        return -err;
> > > +    }
> > >      err = rte_meter_srtcm_config(&policer->egress_meter,
> > > -                                 &policer->app_srtcm_params);
> > > +                                 &policer->egress_prof);
> > > +
> > >      if (!err) {
> > >          *conf = &policer->qos_conf;
> > >      } else {
> > > @@ -3803,7 +3830,8 @@ egress_policer_run(struct qos_conf *conf,
> > > struct rte_mbuf **pkts, int pkt_cnt,
> > >      struct egress_policer *policer =
> > >          CONTAINER_OF(conf, struct egress_policer, qos_conf);
> > >
> > > -    cnt = netdev_dpdk_policer_run(&policer->egress_meter, pkts,
> > > +    cnt = netdev_dpdk_policer_run(&policer->egress_meter,
> > > +                                  &policer->egress_prof, pkts,
> > >                                    pkt_cnt, should_steal);
> > >
> > >      return cnt;
> > > @@ -4103,15 +4131,15 @@ dump_flow_pattern(struct rte_flow_item
> > > *item)
> > >
> > >          VLOG_DBG("rte flow vlan pattern:\n");
> > >          if (vlan_spec) {
> > > -            VLOG_DBG("  Spec: tpid=0x%"PRIx16", tci=0x%"PRIx16"\n",
> > > -                     ntohs(vlan_spec->tpid), ntohs(vlan_spec->tci));
> > > +            VLOG_DBG("  Spec: inner_type=0x%"PRIx16",
> tci=0x%"PRIx16"\n",
> > > +                     ntohs(vlan_spec->inner_type),
> > > + ntohs(vlan_spec->tci));
> > >          } else {
> > >              VLOG_DBG("  Spec = null\n");
> > >          }
> > >
> > >          if (vlan_mask) {
> > > -            VLOG_DBG("  Mask: tpid=0x%"PRIx16", tci=0x%"PRIx16"\n",
> > > -                     vlan_mask->tpid, vlan_mask->tci);
> > > +            VLOG_DBG("  Mask: inner_type=0x%"PRIx16",
> tci=0x%"PRIx16"\n",
> > > +                     vlan_mask->inner_type, vlan_mask->tci);
> > >          } else {
> > >              VLOG_DBG("  Mask = null\n");
> > >          }
> > > @@ -4281,27 +4309,56 @@ add_flow_action(struct flow_actions
> > > *actions, enum rte_flow_action_type type,
> > >      actions->cnt++;
> > >  }
> > >
> > > +/*
> > > + * Storage for struct rte_flow_action_rss
> > > + * including storage for key and queue array  */ #define
> > > +MAX_RSS_HASH_KEY_LENGTH  128 #define
> > MAX_ACTION_RSS_QUEUE_NUM
> > > 128
> > > +struct action_rss_data {
> > > +    struct rte_flow_action_rss conf;
> > > +    uint16_t queue[MAX_ACTION_RSS_QUEUE_NUM];
> > > +    uint8_t key[MAX_RSS_HASH_KEY_LENGTH]; };
> > > +
> > >  static struct rte_flow_action_rss *  add_flow_rss_action(struct
> > > flow_actions *actions,
> > >                      struct netdev *netdev) {
> > >      int i;
> > > -    struct rte_flow_action_rss *rss;
> > > +    struct action_rss_data *rss_data;
> > >
> > > -    rss = xmalloc(sizeof(*rss) + sizeof(uint16_t) * netdev->n_rxq);
> > > -    /*
> > > -     * Setting it to NULL will let the driver use the default RSS
> > > -     * configuration we have set: &port_conf.rx_adv_conf.rss_conf.
> > > -     */
> > > -    rss->rss_conf = NULL;
> > > -    rss->num = netdev->n_rxq;
> > > +    if (netdev->n_rxq > MAX_ACTION_RSS_QUEUE_NUM) {
> > > +        VLOG_ERR("Num of rxq (%u) must not be greater " \
> > > +                 "than max rss num of queues (%u)",
> > > +                 netdev->n_rxq, MAX_ACTION_RSS_QUEUE_NUM);
> > > +        return NULL;
> > > +    }
> > >
> > > -    for (i = 0; i < rss->num; i++) {
> > > -        rss->queue[i] = i;
> > > +    rss_data = xmalloc(sizeof(struct action_rss_data));
> > > +    *rss_data = (struct action_rss_data){
> > > +        .conf = (struct rte_flow_action_rss){
> > > +            .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
> > > +            .level = 0,
> > > +            .types = ETH_RSS_IP,
> > > +            .key_len = 0,
> > > +            .queue_num = netdev->n_rxq,
> > > +            .queue = rss_data->queue,
> > > +            .key = rss_data->key,
> > > +        },
> > > +        .key = { 0 },
> > > +        .queue = { 0 },
> > > +    };
> > > +
> > > +    /* TODO: Override key with default */
> > > +
> > > +    /* Override queue array with default */
> > > +    for (i = 0; i < rss_data->conf.queue_num; i++) {
> > > +       rss_data->queue[i] = i;
> > >      }
> > >
> > > -    add_flow_action(actions, RTE_FLOW_ACTION_TYPE_RSS, rss);
> > > +    add_flow_action(actions, RTE_FLOW_ACTION_TYPE_RSS,
> > > + &rss_data->conf);
> > >
> > > -    return rss;
> > > +    return &rss_data->conf;
> > >  }
> > >
> > >  static int
> > > @@ -4365,7 +4422,7 @@ netdev_dpdk_add_rte_flow_offload(struct
> netdev
> > > *netdev,
> > >          vlan_mask.tci  = match->wc.masks.vlans[0].tci &
> > > ~htons(VLAN_CFI);
> > >
> > >          /* match any protocols */
> > > -        vlan_mask.tpid = 0;
> > > +        vlan_mask.inner_type = 0;
> > >
> > >          add_flow_pattern(&patterns, RTE_FLOW_ITEM_TYPE_VLAN,
> > >                           &vlan_spec, &vlan_mask); @@ -4516,6
> > > +4573,11 @@
> > > end_proto_check:
> > >
> > >      struct rte_flow_action_rss *rss;
> > >      rss = add_flow_rss_action(&actions, netdev);
> > > +    if (!rss) {
> > > +        VLOG_ERR("add_flow_rss_action error.\n");
> > > +        ret = -1;
> > > +        goto out;
> > > +    }
> > >      add_flow_action(&actions, RTE_FLOW_ACTION_TYPE_END, NULL);
> > >
> > >      flow = rte_flow_create(dev->port_id, &flow_attr,
> > > patterns.items,
> > > --
> > > 1.8.3.1

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