From: Long Wu <long...@corigine.com>

A NFP representor port can receive a bond notification. Then driver
will parse this notification into one of these two events:
1. Bonding port configuration may have changed.
This includes creation of a bonding port, removal/addition of
a member port, changing the bond mode, etc.
2. Bonding port is deleted.

Signed-off-by: Long Wu <long...@corigine.com>
Reviewed-by: Peng Zhang <peng.zh...@corigine.com>
Reviewed-by: Chaoyong He <chaoyong...@corigine.com>
---
 drivers/net/nfp/flower/nfp_flower_bond.c      | 183 +++++++++++++++++-
 drivers/net/nfp/flower/nfp_flower_bond.h      |   2 +
 .../net/nfp/flower/nfp_flower_representor.c   |  21 ++
 3 files changed, 205 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/flower/nfp_flower_bond.c 
b/drivers/net/nfp/flower/nfp_flower_bond.c
index c814c0d4ea..523e0025ad 100644
--- a/drivers/net/nfp/flower/nfp_flower_bond.c
+++ b/drivers/net/nfp/flower/nfp_flower_bond.c
@@ -46,6 +46,39 @@ nfp_flower_bond_increment_version(struct nfp_flower_bond 
*nfp_bond)
                nfp_bond->batch_ver += 2;
 }
 
+static void
+nfp_flower_bond_group_id_clear(struct nfp_flower_bond *nfp_bond,
+               uint32_t id_clear)
+{
+       bool *group_id_map = nfp_bond->group_id_map;
+
+       if (id_clear >= NFP_FL_BOND_GROUP_MAX || id_clear < 
NFP_FL_BOND_GROUP_MIN) {
+               PMD_DRV_LOG(ERR, "Try to clear invalid group id %u.", id_clear);
+               return;
+       }
+
+       if (group_id_map[id_clear])
+               group_id_map[id_clear] = false;
+}
+
+static int
+nfp_flower_bond_group_id_get(struct nfp_flower_bond *nfp_bond,
+               uint32_t *id_ret)
+{
+       uint32_t id;
+       bool *group_id_map = nfp_bond->group_id_map;
+
+       for (id = NFP_FL_BOND_GROUP_MIN; id < NFP_FL_BOND_GROUP_MAX; id++) {
+               if (!group_id_map[id]) {
+                       group_id_map[id] = true;
+                       *id_ret = id;
+                       return 0;
+               }
+       }
+
+       return -ENOSPC;
+}
+
 static enum nfp_flower_bond_batch
 nfp_flower_bond_remove_node(struct nfp_flower_bond *nfp_bond,
                struct nfp_bond_group *entry,
@@ -65,6 +98,7 @@ nfp_flower_bond_remove_node(struct nfp_flower_bond *nfp_bond,
        entry->offloaded = false;
 
        if (entry->to_destroy) {
+               nfp_flower_bond_group_id_clear(nfp_bond, entry->group_id);
                LIST_REMOVE(entry, next);
                rte_free(entry);
        }
@@ -139,6 +173,7 @@ nfp_flower_bond_cleanup(struct nfp_app_fw_flower 
*app_fw_flower)
 
        pthread_mutex_lock(&nfp_bond->mutex);
        LIST_FOREACH(entry, &nfp_bond->group_list, next) {
+               nfp_flower_bond_group_id_clear(nfp_bond, entry->group_id);
                LIST_REMOVE(entry, next);
                rte_free(entry);
        }
@@ -271,16 +306,162 @@ nfp_flower_bond_change_linkstatus_event(struct 
nfp_flower_bond *nfp_bond,
        *bond_port_flags |= NFP_FL_BOND_PORT_CHANGED;
 }
 
+static struct nfp_bond_group *
+nfp_flower_bond_group_create(struct nfp_flower_bond *nfp_bond,
+               struct rte_eth_dev *bond_dev)
+{
+       uint32_t id;
+       unsigned int numa_node;
+       struct nfp_bond_group *group = NULL;
+
+       if (nfp_flower_bond_group_id_get(nfp_bond, &id) < 0)
+               return NULL;
+
+       numa_node = rte_socket_id();
+
+       group = rte_zmalloc_socket(NULL, sizeof(struct nfp_bond_group),
+                       RTE_CACHE_LINE_SIZE, numa_node);
+       if (group == NULL) {
+               PMD_DRV_LOG(ERR, "Unable malloc memory for nfp bond group");
+               nfp_flower_bond_group_id_clear(nfp_bond, id);
+               return NULL;
+       }
+
+       group->group_id = id;
+       group->main_dev = bond_dev;
+       group->dirty = true;
+       group->offloaded = false;
+       group->to_remove = false;
+       group->to_destroy = false;
+       group->member_cnt = 0;
+       group->group_inst = ++nfp_bond->global_inst;
+       LIST_INSERT_HEAD(&nfp_bond->group_list, group, next);
+
+       return group;
+}
+
+static int
+nfp_flower_bond_changeupper_event(struct nfp_flower_bond *nfp_bond,
+               struct rte_eth_dev *bond_dev)
+{
+       uint32_t i;
+       uint16_t port_id;
+       bool can_offload = true;
+       uint16_t nfp_member_count;
+       struct rte_eth_dev *eth_dev;
+       struct nfp_bond_group *group;
+       struct bond_dev_private *internals;
+       struct nfp_flower_representor *repr;
+       struct nfp_app_fw_flower *app_flower;
+
+       internals = bond_dev->data->dev_private;
+       app_flower = nfp_bond->app_fw_flower;
+       nfp_member_count = 0;
+
+       for (i = 0; i < internals->member_count; i++) {
+               port_id = internals->members[i].port_id;
+               eth_dev = &rte_eth_devices[port_id];
+               if (!nfp_flower_is_phy_repr(eth_dev)) {
+                       can_offload = false;
+                       break;
+               }
+
+               repr = eth_dev->data->dev_private;
+
+               if (repr->app_fw_flower != app_flower) {
+                       can_offload = false;
+                       break;
+               }
+
+               if (internals->current_primary_port == port_id ||
+                               internals->mode != BONDING_MODE_ACTIVE_BACKUP)
+                       nfp_member_count++;
+       }
+
+       if (internals != NULL &&
+                       internals->mode != BONDING_MODE_ACTIVE_BACKUP &&
+                       ((internals->mode != BONDING_MODE_BALANCE &&
+                       internals->mode != BONDING_MODE_8023AD) ||
+                       internals->balance_xmit_policy != 
BALANCE_XMIT_POLICY_LAYER34)) {
+               can_offload = false;
+               PMD_DRV_LOG(WARNING, "Unable to offload mode %u hash %u.",
+                               internals->mode,
+                               internals->balance_xmit_policy);
+       }
+
+       pthread_mutex_lock(&nfp_bond->mutex);
+
+       group = nfp_flower_bond_find_group(nfp_bond, bond_dev);
+       if (nfp_member_count == 0 || !can_offload) {
+               if (group != NULL && group->offloaded)
+                       /* Set remove flag */
+                       group->to_remove = true;
+
+               pthread_mutex_unlock(&nfp_bond->mutex);
+               return 0;
+       }
+
+       if (group == NULL) {
+               group = nfp_flower_bond_group_create(nfp_bond, bond_dev);
+               if (group == NULL) {
+                       pthread_mutex_unlock(&nfp_bond->mutex);
+                       return -1;
+               }
+       }
+
+       group->dirty = true;
+       group->member_cnt = nfp_member_count;
+       group->to_remove = false;
+
+       pthread_mutex_unlock(&nfp_bond->mutex);
+
+       return 0;
+}
+
+static void
+nfp_flower_bond_group_delete(struct nfp_flower_bond *nfp_bond,
+               struct rte_eth_dev *bond_dev)
+{
+       struct nfp_bond_group *group;
+
+       pthread_mutex_lock(&nfp_bond->mutex);
+
+       group = nfp_flower_bond_find_group(nfp_bond, bond_dev);
+       if (group == NULL) {
+               pthread_mutex_unlock(&nfp_bond->mutex);
+               PMD_DRV_LOG(WARNING, "Untracked bond got unregistered %s",
+                               bond_dev->device->name);
+               return;
+       }
+
+       group->to_remove = true;
+       group->to_destroy = true;
+
+       pthread_mutex_unlock(&nfp_bond->mutex);
+}
+
 int
 nfp_flower_bond_event_handle(struct nfp_flower_bond *nfp_bond,
                struct rte_eth_dev *bond_dev,
                struct rte_eth_dev *nfp_dev,
                enum nfp_flower_bond_event event)
 {
+       int ret = 0;
+
        switch (event) {
+       case NFP_FLOWER_CHANGEUPPER:
+               ret = nfp_flower_bond_changeupper_event(nfp_bond, bond_dev);
+               if (ret != 0) {
+                       PMD_DRV_LOG(ERR, "Change upper event can not work.");
+                       return ret;
+               }
+               break;
        case NFP_FLOWER_CHANGELINKSTATUS:
                nfp_flower_bond_change_linkstatus_event(nfp_bond, bond_dev, 
nfp_dev);
                break;
+       case NFP_FLOWER_UNREGISTER:
+               nfp_flower_bond_group_delete(nfp_bond, bond_dev);
+               break;
        default:
                PMD_DRV_LOG(ERR, "Invalid bond offload event.");
                return -1;
@@ -288,7 +469,7 @@ nfp_flower_bond_event_handle(struct nfp_flower_bond 
*nfp_bond,
 
        nfp_flower_bond_do_work(nfp_bond);
 
-       return 0;
+       return ret;
 }
 
 enum nfp_flower_bond_batch
diff --git a/drivers/net/nfp/flower/nfp_flower_bond.h 
b/drivers/net/nfp/flower/nfp_flower_bond.h
index e4a09b3427..12e61ff1ce 100644
--- a/drivers/net/nfp/flower/nfp_flower_bond.h
+++ b/drivers/net/nfp/flower/nfp_flower_bond.h
@@ -109,6 +109,8 @@ struct nfp_flower_bond {
        uint32_t global_inst;
        /** Incremented for each config packet sent */
        uint32_t pkt_num;
+       /** ID of bond group in driver, true is used */
+       bool group_id_map[NFP_FL_BOND_GROUP_MAX];
        /** Pointer to the flower app */
        struct nfp_app_fw_flower *app_fw_flower;
 };
diff --git a/drivers/net/nfp/flower/nfp_flower_representor.c 
b/drivers/net/nfp/flower/nfp_flower_representor.c
index 2810a7a271..43106da90e 100644
--- a/drivers/net/nfp/flower/nfp_flower_representor.c
+++ b/drivers/net/nfp/flower/nfp_flower_representor.c
@@ -390,6 +390,25 @@ nfp_flower_repr_dev_close(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int
+nfp_flower_repr_bond_notify_member(struct rte_eth_dev *dev,
+               struct rte_eth_dev *bond_dev)
+{
+       struct nfp_flower_representor *repr;
+       enum nfp_flower_bond_event event = NFP_FLOWER_CHANGEUPPER;
+
+       if (!nfp_flower_bond_all_member_are_phyrepr(bond_dev))
+               event = NFP_FLOWER_UNREGISTER;
+
+       repr = dev->data->dev_private;
+
+       if (nfp_flower_support_bond_offload(repr->app_fw_flower))
+               return 
nfp_flower_bond_event_handle(repr->app_fw_flower->nfp_bond,
+                               bond_dev, dev, event);
+
+       return 0;
+}
+
 static const struct eth_dev_ops nfp_flower_pf_repr_dev_ops = {
        .dev_infos_get        = nfp_flower_repr_dev_infos_get,
 
@@ -437,6 +456,8 @@ static const struct eth_dev_ops nfp_flower_repr_dev_ops = {
 
        .flow_ops_get         = nfp_flow_ops_get,
        .mtr_ops_get          = nfp_net_mtr_ops_get,
+
+       .bond_notify_member   = nfp_flower_repr_bond_notify_member,
 };
 
 static uint32_t
-- 
2.39.1

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