From: wei zhao1 <wei.zh...@intel.com>
Add support for storing L2 tunnel filter in SW.
Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
Signed-off-by: wei zhao1 <wei.zh...@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 151 +++++++++++++++++++++++++++++++++++++++
drivers/net/ixgbe/ixgbe_ethdev.h | 24 +++++++
2 files changed, 175 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index f8e5fe1..9b834cb 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1097,6 +1097,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
IXGBE_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
struct ixgbe_hw_fdir_info *fdir_info =
IXGBE_DEV_PRIVATE_TO_FDIR_INFO(eth_dev->data->dev_private);
+ struct ixgbe_l2_tn_info *l2_tn_info =
+ IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(eth_dev->data->dev_private);
uint32_t ctrl_ext;
uint16_t csum;
int diag, i;
@@ -1111,6 +1113,16 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
.socket_id = rte_socket_id(),
};
+ char l2_tn_hash_name[RTE_HASH_NAMESIZE];
+ struct rte_hash_parameters l2_tn_hash_params = {
+ .name = l2_tn_hash_name,
+ .entries = IXGBE_MAX_L2_TN_FILTER_NUM,
+ .key_len = sizeof(struct ixgbe_l2_tn_key),
+ .hash_func = rte_hash_crc,
+ .hash_func_init_val = 0,
+ .socket_id = rte_socket_id(),
+ };
+
PMD_INIT_FUNC_TRACE();
eth_dev->dev_ops = &ixgbe_eth_dev_ops;
@@ -1321,6 +1333,25 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
return -ENOMEM;
}
+ /* initialize l2 tunnel filter list & hash */
+ TAILQ_INIT(&l2_tn_info->l2_tn_list);
+ snprintf(l2_tn_hash_name, RTE_HASH_NAMESIZE,
+ "l2_tn_%s", eth_dev->data->name);
+ l2_tn_info->hash_handle = rte_hash_create(&l2_tn_hash_params);
+ if (!l2_tn_info->hash_handle) {
+ PMD_INIT_LOG(ERR, "Failed to create L2 TN hash table!");
+ return -EINVAL;
+ }
+ l2_tn_info->hash_map = rte_zmalloc("ixgbe",
+ sizeof(struct ixgbe_l2_tn_filter *) *
+ IXGBE_MAX_L2_TN_FILTER_NUM,
+ 0);
+ if (!l2_tn_info->hash_map) {
+ PMD_INIT_LOG(ERR,
+ "Failed to allocate memory for L2 TN hash map!");
+ return -ENOMEM;
+ }
+
return 0;
}
@@ -1331,7 +1362,10 @@ eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev)
struct ixgbe_hw *hw;
struct ixgbe_hw_fdir_info *fdir_info =
IXGBE_DEV_PRIVATE_TO_FDIR_INFO(eth_dev->data->dev_private);
+ struct ixgbe_l2_tn_info *l2_tn_info =
+ IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(eth_dev->data->dev_private);
struct ixgbe_fdir_filter *fdir_filter;
+ struct ixgbe_l2_tn_filter *l2_tn_filter;
PMD_INIT_FUNC_TRACE();
@@ -1378,6 +1412,19 @@ eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev)
rte_free(fdir_filter);
}
+ /* remove all the L2 tunnel filters & hash */
+ if (l2_tn_info->hash_map)
+ rte_free(l2_tn_info->hash_map);
+ if (l2_tn_info->hash_handle)
+ rte_hash_free(l2_tn_info->hash_handle);
+
+ while ((l2_tn_filter = TAILQ_FIRST(&l2_tn_info->l2_tn_list))) {
+ TAILQ_REMOVE(&l2_tn_info->l2_tn_list,
+ l2_tn_filter,
+ entries);
+ rte_free(l2_tn_filter);
+ }
+
return 0;
}
@@ -7100,12 +7147,104 @@ ixgbe_e_tag_filter_add(struct rte_eth_dev *dev,
return -EINVAL;
}
+static inline struct ixgbe_l2_tn_filter *
+ixgbe_l2_tn_filter_lookup(struct ixgbe_l2_tn_info *l2_tn_info,
+ struct ixgbe_l2_tn_key *key)
+{
+ int ret = 0;
+
+ ret = rte_hash_lookup(l2_tn_info->hash_handle, (const void *)key);
+ if (ret < 0)
+ return NULL;
+
+ return l2_tn_info->hash_map[ret];
+}
+
+static inline int
+ixgbe_insert_l2_tn_filter(struct ixgbe_l2_tn_info *l2_tn_info,
+ struct ixgbe_l2_tn_filter *l2_tn_filter)
+{
+ int ret = 0;
+
+ ret = rte_hash_add_key(l2_tn_info->hash_handle,
+ &l2_tn_filter->key);
+
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR,
+ "Failed to insert L2 tunnel filter"
+ " to hash table %d!",
+ ret);
+ return ret;
+ }
+
+ l2_tn_info->hash_map[ret] = l2_tn_filter;
+
+ TAILQ_INSERT_TAIL(&l2_tn_info->l2_tn_list, l2_tn_filter, entries);
+
+ return 0;
+}
+
+static inline int
+ixgbe_remove_l2_tn_filter(struct ixgbe_l2_tn_info *l2_tn_info,
+ struct ixgbe_l2_tn_key *key)
+{
+ int ret = 0;
+ struct ixgbe_l2_tn_filter *l2_tn_filter;
+
+ ret = rte_hash_del_key(l2_tn_info->hash_handle, key);
+
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR,
+ "No such L2 tunnel filter to delete %d!",
+ ret);
+ return ret;
+ }
+
+ l2_tn_filter = l2_tn_info->hash_map[ret];
+ l2_tn_info->hash_map[ret] = NULL;
+
+ TAILQ_REMOVE(&l2_tn_info->l2_tn_list, l2_tn_filter, entries);
+ rte_free(l2_tn_filter);
+
+ return 0;
+}
+
/* Add l2 tunnel filter */
static int
ixgbe_dev_l2_tunnel_filter_add(struct rte_eth_dev *dev,
struct rte_eth_l2_tunnel_conf *l2_tunnel)
{
int ret = 0;
+ struct ixgbe_l2_tn_info *l2_tn_info =
+ IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(dev->data->dev_private);
+ struct ixgbe_l2_tn_key key;
+ struct ixgbe_l2_tn_filter *node;
+
+ key.l2_tn_type = l2_tunnel->l2_tunnel_type;
+ key.tn_id = l2_tunnel->tunnel_id;
+
+ node = ixgbe_l2_tn_filter_lookup(l2_tn_info, &key);
+
+ if (node) {
+ PMD_DRV_LOG(ERR, "The L2 tunnel filter already exists!");
+ return -EINVAL;
+ }
+
+ node = rte_zmalloc("ixgbe_l2_tn",
+ sizeof(struct ixgbe_l2_tn_filter),
+ 0);
+ if (!node)
+ return -ENOMEM;
+
+ (void)rte_memcpy(&node->key,
+ &key,
+ sizeof(struct ixgbe_l2_tn_key));
+ node->pool = l2_tunnel->pool;
+ ret = ixgbe_insert_l2_tn_filter(l2_tn_info, node);
+ if (ret < 0) {
+ rte_free(node);
+ return ret;
+ }
switch (l2_tunnel->l2_tunnel_type) {
case RTE_L2_TUNNEL_TYPE_E_TAG:
@@ -7117,6 +7256,9 @@ ixgbe_dev_l2_tunnel_filter_add(struct rte_eth_dev *dev,
break;
}
+ if (ret < 0)
+ (void)ixgbe_remove_l2_tn_filter(l2_tn_info, &key);
+
return ret;
}
@@ -7126,6 +7268,15 @@ ixgbe_dev_l2_tunnel_filter_del(struct rte_eth_dev *dev,
struct rte_eth_l2_tunnel_conf *l2_tunnel)
{
int ret = 0;
+ struct ixgbe_l2_tn_info *l2_tn_info =
+ IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(dev->data->dev_private);
+ struct ixgbe_l2_tn_key key;
+
+ key.l2_tn_type = l2_tunnel->l2_tunnel_type;
+ key.tn_id = l2_tunnel->tunnel_id;
+ ret = ixgbe_remove_l2_tn_filter(l2_tn_info, &key);
+ if (ret < 0)
+ return ret;
switch (l2_tunnel->l2_tunnel_type) {
case RTE_L2_TUNNEL_TYPE_E_TAG:
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index 8310220..6663fc9 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -132,6 +132,7 @@
#define IXGBE_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
#define IXGBE_MAX_FDIR_FILTER_NUM (1024 * 32)
+#define IXGBE_MAX_L2_TN_FILTER_NUM 128
/*
* Information about the fdir mode.
@@ -283,6 +284,25 @@ struct ixgbe_filter_info {
uint32_t syn_info;
};
+struct ixgbe_l2_tn_key {
+ enum rte_eth_tunnel_type l2_tn_type;
+ uint32_t tn_id;
+};
+
+struct ixgbe_l2_tn_filter {
+ TAILQ_ENTRY(ixgbe_l2_tn_filter) entries;
+ struct ixgbe_l2_tn_key key;
+ uint32_t pool;
+};
+
+TAILQ_HEAD(ixgbe_l2_tn_filter_list, ixgbe_l2_tn_filter);
+
+struct ixgbe_l2_tn_info {
+ struct ixgbe_l2_tn_filter_list l2_tn_list;
+ struct ixgbe_l2_tn_filter **hash_map;
+ struct rte_hash *hash_handle;
+};
+
/*
* Structure to store private data for each driver instance (for each port).
*/
@@ -302,6 +322,7 @@ struct ixgbe_adapter {
struct ixgbe_bypass_info bps;
#endif /* RTE_NIC_BYPASS */
struct ixgbe_filter_info filter;
+ struct ixgbe_l2_tn_info l2_tn;
bool rx_bulk_alloc_allowed;
bool rx_vec_allowed;
@@ -346,6 +367,9 @@ struct ixgbe_adapter {
#define IXGBE_DEV_PRIVATE_TO_FILTER_INFO(adapter) \
(&((struct ixgbe_adapter *)adapter)->filter)
+#define IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(adapter) \
+ (&((struct ixgbe_adapter *)adapter)->l2_tn)
+
/*
* RX/TX function prototypes
*/
--
2.5.5
