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authorWei Zhao <wei.zhao1@intel.com>2017-01-13 16:12:57 +0800
committerFerruh Yigit <ferruh.yigit@intel.com>2017-01-17 19:41:43 +0100
commitd0c0c416ef1fc01e6dae3dacf0171f03be005256 (patch)
tree2bf12f0e818eb33884eaba125962549726badfbe
parent080e3c0ee9893f0df7f4894b4eedb4241ccc351f (diff)
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net/ixgbe: store L2 tunnel filter
Add support for storing L2 tunnel filter in SW. Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com> Signed-off-by: Wei Zhao <wei.zhao1@intel.com> Acked-by: Beilei Xing <beilei.xing@intel.com> Acked-by: Wei Dai <wei.dai@intel.com>
-rw-r--r--drivers/net/ixgbe/ixgbe_ethdev.c172
-rw-r--r--drivers/net/ixgbe/ixgbe_ethdev.h24
2 files changed, 193 insertions, 3 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 33b8727..f3dc3ed 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -168,6 +168,8 @@ static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev);
static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev);
static int ixgbe_fdir_filter_init(struct rte_eth_dev *eth_dev);
static int ixgbe_fdir_filter_uninit(struct rte_eth_dev *eth_dev);
+static int ixgbe_l2_tn_filter_init(struct rte_eth_dev *eth_dev);
+static int ixgbe_l2_tn_filter_uninit(struct rte_eth_dev *eth_dev);
static int ixgbe_dev_configure(struct rte_eth_dev *dev);
static int ixgbe_dev_start(struct rte_eth_dev *dev);
static void ixgbe_dev_stop(struct rte_eth_dev *dev);
@@ -1336,6 +1338,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
/* initialize flow director filter list & hash */
ixgbe_fdir_filter_init(eth_dev);
+ /* initialize l2 tunnel filter list & hash */
+ ixgbe_l2_tn_filter_init(eth_dev);
return 0;
}
@@ -1380,6 +1384,9 @@ eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev)
/* remove all the fdir filters & hash */
ixgbe_fdir_filter_uninit(eth_dev);
+ /* remove all the L2 tunnel filters & hash */
+ ixgbe_l2_tn_filter_uninit(eth_dev);
+
return 0;
}
@@ -1404,6 +1411,27 @@ static int ixgbe_fdir_filter_uninit(struct rte_eth_dev *eth_dev)
return 0;
}
+static int ixgbe_l2_tn_filter_uninit(struct rte_eth_dev *eth_dev)
+{
+ struct ixgbe_l2_tn_info *l2_tn_info =
+ IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(eth_dev->data->dev_private);
+ struct ixgbe_l2_tn_filter *l2_tn_filter;
+
+ 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;
+}
+
static int ixgbe_fdir_filter_init(struct rte_eth_dev *eth_dev)
{
struct ixgbe_hw_fdir_info *fdir_info =
@@ -1435,6 +1463,40 @@ static int ixgbe_fdir_filter_init(struct rte_eth_dev *eth_dev)
"Failed to allocate memory for fdir hash map!");
return -ENOMEM;
}
+ return 0;
+}
+
+static int ixgbe_l2_tn_filter_init(struct rte_eth_dev *eth_dev)
+{
+ struct ixgbe_l2_tn_info *l2_tn_info =
+ IXGBE_DEV_PRIVATE_TO_L2_TN_INFO(eth_dev->data->dev_private);
+ 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(),
+ };
+
+ 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;
}
@@ -7424,12 +7486,104 @@ 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;
+
+ 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;
+
+ 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;
+ 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;
+ int ret;
+ 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:
@@ -7441,6 +7595,9 @@ 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;
}
@@ -7449,7 +7606,16 @@ static int
ixgbe_dev_l2_tunnel_filter_del(struct rte_eth_dev *dev,
struct rte_eth_l2_tunnel_conf *l2_tunnel)
{
- int ret = 0;
+ int ret;
+ 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:
@@ -7475,7 +7641,7 @@ ixgbe_dev_l2_tunnel_filter_handle(struct rte_eth_dev *dev,
enum rte_filter_op filter_op,
void *arg)
{
- int ret = 0;
+ int ret;
if (filter_op == RTE_ETH_FILTER_NOP)
return 0;
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index 3865150..feb7c9a 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -137,6 +137,7 @@
#define IXGBE_MACSEC_PNTHRSH 0xFFFFFE00
#define IXGBE_MAX_FDIR_FILTER_NUM (1024 * 32)
+#define IXGBE_MAX_L2_TN_FILTER_NUM 128
/*
* Information about the fdir mode.
@@ -288,6 +289,25 @@ 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;
+};
+
/*
* Statistics counters collected by the MACsec
*/
@@ -340,6 +360,7 @@ 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;
@@ -390,6 +411,9 @@ 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
*/