[v2,5/8] net/nfp: fix resource leak for flower firmware
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Commit Message
Fix the resource leak problem in the logic of flower firmware
application.
Fixes: e1124c4f8a45 ("net/nfp: add flower representor framework")
Cc: stable@dpdk.org
Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
---
.../net/nfp/flower/nfp_flower_representor.c | 89 ++++++++++++++++++-
.../net/nfp/flower/nfp_flower_representor.h | 1 +
2 files changed, 86 insertions(+), 4 deletions(-)
@@ -291,6 +291,43 @@ nfp_flower_repr_tx_burst(void *tx_queue,
return sent;
}
+static int
+nfp_flower_repr_uninit(struct rte_eth_dev *eth_dev)
+{
+ struct nfp_flower_representor *repr;
+
+ repr = eth_dev->data->dev_private;
+ rte_ring_free(repr->ring);
+
+ return 0;
+}
+
+static int
+nfp_flower_pf_repr_uninit(__rte_unused struct rte_eth_dev *eth_dev)
+{
+ return 0;
+}
+
+static void
+nfp_flower_repr_free(struct nfp_flower_representor *repr,
+ enum nfp_repr_type repr_type)
+{
+ switch (repr_type) {
+ case NFP_REPR_TYPE_PHYS_PORT:
+ rte_eth_dev_destroy(repr->eth_dev, nfp_flower_repr_uninit);
+ break;
+ case NFP_REPR_TYPE_PF:
+ rte_eth_dev_destroy(repr->eth_dev, nfp_flower_pf_repr_uninit);
+ break;
+ case NFP_REPR_TYPE_VF:
+ rte_eth_dev_destroy(repr->eth_dev, nfp_flower_repr_uninit);
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Unsupported repr port type.");
+ break;
+ }
+}
+
static const struct eth_dev_ops nfp_flower_pf_repr_dev_ops = {
.dev_infos_get = nfp_flower_repr_dev_infos_get,
@@ -410,6 +447,7 @@ nfp_flower_pf_repr_init(struct rte_eth_dev *eth_dev,
repr->app_fw_flower->pf_repr = repr;
repr->app_fw_flower->pf_hw->eth_dev = eth_dev;
+ repr->eth_dev = eth_dev;
return 0;
}
@@ -501,6 +539,8 @@ nfp_flower_repr_init(struct rte_eth_dev *eth_dev,
app_fw_flower->vf_reprs[index] = repr;
}
+ repr->eth_dev = eth_dev;
+
return 0;
mac_cleanup:
@@ -511,6 +551,35 @@ nfp_flower_repr_init(struct rte_eth_dev *eth_dev,
return ret;
}
+static void
+nfp_flower_repr_free_all(struct nfp_app_fw_flower *app_fw_flower)
+{
+ uint32_t i;
+ struct nfp_flower_representor *repr;
+
+ for (i = 0; i < MAX_FLOWER_VFS; i++) {
+ repr = app_fw_flower->vf_reprs[i];
+ if (repr != NULL) {
+ nfp_flower_repr_free(repr, NFP_REPR_TYPE_VF);
+ app_fw_flower->vf_reprs[i] = NULL;
+ }
+ }
+
+ for (i = 0; i < NFP_MAX_PHYPORTS; i++) {
+ repr = app_fw_flower->phy_reprs[i];
+ if (repr != NULL) {
+ nfp_flower_repr_free(repr, NFP_REPR_TYPE_PHYS_PORT);
+ app_fw_flower->phy_reprs[i] = NULL;
+ }
+ }
+
+ repr = app_fw_flower->pf_repr;
+ if (repr != NULL) {
+ nfp_flower_repr_free(repr, NFP_REPR_TYPE_PF);
+ app_fw_flower->pf_repr = NULL;
+ }
+}
+
static int
nfp_flower_repr_alloc(struct nfp_app_fw_flower *app_fw_flower)
{
@@ -585,7 +654,7 @@ nfp_flower_repr_alloc(struct nfp_app_fw_flower *app_fw_flower)
}
if (i < app_fw_flower->num_phyport_reprs)
- return ret;
+ goto repr_free;
/*
* Now allocate eth_dev's for VF representors.
@@ -614,9 +683,14 @@ nfp_flower_repr_alloc(struct nfp_app_fw_flower *app_fw_flower)
}
if (i < app_fw_flower->num_vf_reprs)
- return ret;
+ goto repr_free;
return 0;
+
+repr_free:
+ nfp_flower_repr_free_all(app_fw_flower);
+
+ return ret;
}
int
@@ -635,7 +709,7 @@ nfp_flower_repr_create(struct nfp_app_fw_flower *app_fw_flower)
/* Allocate a switch domain for the flower app */
if (app_fw_flower->switch_domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID &&
- rte_eth_switch_domain_alloc(&app_fw_flower->switch_domain_id)) {
+ rte_eth_switch_domain_alloc(&app_fw_flower->switch_domain_id) != 0) {
PMD_INIT_LOG(WARNING, "failed to allocate switch domain for device");
}
@@ -677,8 +751,15 @@ nfp_flower_repr_create(struct nfp_app_fw_flower *app_fw_flower)
ret = nfp_flower_repr_alloc(app_fw_flower);
if (ret != 0) {
PMD_INIT_LOG(ERR, "representors allocation failed");
- return -EINVAL;
+ ret = -EINVAL;
+ goto domain_free;
}
return 0;
+
+domain_free:
+ if (rte_eth_switch_domain_free(app_fw_flower->switch_domain_id) != 0)
+ PMD_INIT_LOG(WARNING, "failed to free switch domain for device");
+
+ return ret;
}
@@ -20,6 +20,7 @@ struct nfp_flower_representor {
struct rte_ring *ring;
struct rte_eth_link link;
struct rte_eth_stats repr_stats;
+ struct rte_eth_dev *eth_dev;
};
int nfp_flower_repr_create(struct nfp_app_fw_flower *app_fw_flower);