net/i40e: store tunnel filter

Currently there's no tunnel filter stored in SW.
This patch stores tunnel filter in SW with cuckoo
hash, also adds protection if a tunnel filter has
been added.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
This commit is contained in:
Beilei Xing 2017-01-06 13:27:04 +08:00 committed by Ferruh Yigit
parent 078259773d
commit 425c3325f0
2 changed files with 219 additions and 3 deletions

View File

@ -470,6 +470,12 @@ static int i40e_ethertype_filter_convert(
static int i40e_sw_ethertype_filter_insert(struct i40e_pf *pf,
struct i40e_ethertype_filter *filter);
static int i40e_tunnel_filter_convert(
struct i40e_aqc_add_remove_cloud_filters_element_data *cld_filter,
struct i40e_tunnel_filter *tunnel_filter);
static int i40e_sw_tunnel_filter_insert(struct i40e_pf *pf,
struct i40e_tunnel_filter *tunnel_filter);
static const struct rte_pci_id pci_id_i40e_map[] = {
{ RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_XL710) },
{ RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QEMU) },
@ -980,6 +986,49 @@ i40e_init_ethtype_filter_list(struct rte_eth_dev *dev)
return ret;
}
static int
i40e_init_tunnel_filter_list(struct rte_eth_dev *dev)
{
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
struct i40e_tunnel_rule *tunnel_rule = &pf->tunnel;
char tunnel_hash_name[RTE_HASH_NAMESIZE];
int ret;
struct rte_hash_parameters tunnel_hash_params = {
.name = tunnel_hash_name,
.entries = I40E_MAX_TUNNEL_FILTER_NUM,
.key_len = sizeof(struct i40e_tunnel_filter_input),
.hash_func = rte_hash_crc,
};
/* Initialize tunnel filter rule list and hash */
TAILQ_INIT(&tunnel_rule->tunnel_list);
snprintf(tunnel_hash_name, RTE_HASH_NAMESIZE,
"tunnel_%s", dev->data->name);
tunnel_rule->hash_table = rte_hash_create(&tunnel_hash_params);
if (!tunnel_rule->hash_table) {
PMD_INIT_LOG(ERR, "Failed to create tunnel hash table!");
return -EINVAL;
}
tunnel_rule->hash_map = rte_zmalloc("i40e_tunnel_hash_map",
sizeof(struct i40e_tunnel_filter *) *
I40E_MAX_TUNNEL_FILTER_NUM,
0);
if (!tunnel_rule->hash_map) {
PMD_INIT_LOG(ERR,
"Failed to allocate memory for tunnel hash map!");
ret = -ENOMEM;
goto err_tunnel_hash_map_alloc;
}
return 0;
err_tunnel_hash_map_alloc:
rte_hash_free(tunnel_rule->hash_table);
return ret;
}
static int
eth_i40e_dev_init(struct rte_eth_dev *dev)
{
@ -1239,9 +1288,15 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
ret = i40e_init_ethtype_filter_list(dev);
if (ret < 0)
goto err_init_ethtype_filter_list;
ret = i40e_init_tunnel_filter_list(dev);
if (ret < 0)
goto err_init_tunnel_filter_list;
return 0;
err_init_tunnel_filter_list:
rte_free(pf->ethertype.hash_table);
rte_free(pf->ethertype.hash_map);
err_init_ethtype_filter_list:
rte_free(dev->data->mac_addrs);
err_mac_alloc:
@ -1283,6 +1338,25 @@ i40e_rm_ethtype_filter_list(struct i40e_pf *pf)
}
}
static void
i40e_rm_tunnel_filter_list(struct i40e_pf *pf)
{
struct i40e_tunnel_filter *p_tunnel;
struct i40e_tunnel_rule *tunnel_rule;
tunnel_rule = &pf->tunnel;
/* Remove all tunnel director rules and hash */
if (tunnel_rule->hash_map)
rte_free(tunnel_rule->hash_map);
if (tunnel_rule->hash_table)
rte_hash_free(tunnel_rule->hash_table);
while ((p_tunnel = TAILQ_FIRST(&tunnel_rule->tunnel_list))) {
TAILQ_REMOVE(&tunnel_rule->tunnel_list, p_tunnel, rules);
rte_free(p_tunnel);
}
}
static int
eth_i40e_dev_uninit(struct rte_eth_dev *dev)
{
@ -1339,6 +1413,7 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
i40e_dev_interrupt_handler, dev);
i40e_rm_ethtype_filter_list(pf);
i40e_rm_tunnel_filter_list(pf);
return 0;
}
@ -6553,6 +6628,85 @@ i40e_dev_get_filter_type(uint16_t filter_type, uint16_t *flag)
return 0;
}
/* Convert tunnel filter structure */
static int
i40e_tunnel_filter_convert(struct i40e_aqc_add_remove_cloud_filters_element_data
*cld_filter,
struct i40e_tunnel_filter *tunnel_filter)
{
ether_addr_copy((struct ether_addr *)&cld_filter->outer_mac,
(struct ether_addr *)&tunnel_filter->input.outer_mac);
ether_addr_copy((struct ether_addr *)&cld_filter->inner_mac,
(struct ether_addr *)&tunnel_filter->input.inner_mac);
tunnel_filter->input.inner_vlan = cld_filter->inner_vlan;
tunnel_filter->input.flags = cld_filter->flags;
tunnel_filter->input.tenant_id = cld_filter->tenant_id;
tunnel_filter->queue = cld_filter->queue_number;
return 0;
}
/* Check if there exists the tunnel filter */
struct i40e_tunnel_filter *
i40e_sw_tunnel_filter_lookup(struct i40e_tunnel_rule *tunnel_rule,
const struct i40e_tunnel_filter_input *input)
{
int ret;
ret = rte_hash_lookup(tunnel_rule->hash_table, (const void *)input);
if (ret < 0)
return NULL;
return tunnel_rule->hash_map[ret];
}
/* Add a tunnel filter into the SW list */
static int
i40e_sw_tunnel_filter_insert(struct i40e_pf *pf,
struct i40e_tunnel_filter *tunnel_filter)
{
struct i40e_tunnel_rule *rule = &pf->tunnel;
int ret;
ret = rte_hash_add_key(rule->hash_table, &tunnel_filter->input);
if (ret < 0) {
PMD_DRV_LOG(ERR,
"Failed to insert tunnel filter to hash table %d!",
ret);
return ret;
}
rule->hash_map[ret] = tunnel_filter;
TAILQ_INSERT_TAIL(&rule->tunnel_list, tunnel_filter, rules);
return 0;
}
/* Delete a tunnel filter from the SW list */
int
i40e_sw_tunnel_filter_del(struct i40e_pf *pf,
struct i40e_tunnel_filter_input *input)
{
struct i40e_tunnel_rule *rule = &pf->tunnel;
struct i40e_tunnel_filter *tunnel_filter;
int ret;
ret = rte_hash_del_key(rule->hash_table, input);
if (ret < 0) {
PMD_DRV_LOG(ERR,
"Failed to delete tunnel filter to hash table %d!",
ret);
return ret;
}
tunnel_filter = rule->hash_map[ret];
rule->hash_map[ret] = NULL;
TAILQ_REMOVE(&rule->tunnel_list, tunnel_filter, rules);
rte_free(tunnel_filter);
return 0;
}
static int
i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
struct rte_eth_tunnel_filter_conf *tunnel_filter,
@ -6568,6 +6722,9 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
struct i40e_vsi *vsi = pf->main_vsi;
struct i40e_aqc_add_remove_cloud_filters_element_data *cld_filter;
struct i40e_aqc_add_remove_cloud_filters_element_data *pfilter;
struct i40e_tunnel_rule *tunnel_rule = &pf->tunnel;
struct i40e_tunnel_filter *tunnel, *node;
struct i40e_tunnel_filter check_filter; /* Check if filter exists */
cld_filter = rte_zmalloc("tunnel_filter",
sizeof(struct i40e_aqc_add_remove_cloud_filters_element_data),
@ -6630,11 +6787,38 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
pfilter->tenant_id = rte_cpu_to_le_32(tunnel_filter->tenant_id);
pfilter->queue_number = rte_cpu_to_le_16(tunnel_filter->queue_id);
if (add)
/* Check if there is the filter in SW list */
memset(&check_filter, 0, sizeof(check_filter));
i40e_tunnel_filter_convert(cld_filter, &check_filter);
node = i40e_sw_tunnel_filter_lookup(tunnel_rule, &check_filter.input);
if (add && node) {
PMD_DRV_LOG(ERR, "Conflict with existing tunnel rules!");
return -EINVAL;
}
if (!add && !node) {
PMD_DRV_LOG(ERR, "There's no corresponding tunnel filter!");
return -EINVAL;
}
if (add) {
ret = i40e_aq_add_cloud_filters(hw, vsi->seid, cld_filter, 1);
else
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to add a tunnel filter.");
return ret;
}
tunnel = rte_zmalloc("tunnel_filter", sizeof(*tunnel), 0);
rte_memcpy(tunnel, &check_filter, sizeof(check_filter));
ret = i40e_sw_tunnel_filter_insert(pf, tunnel);
} else {
ret = i40e_aq_remove_cloud_filters(hw, vsi->seid,
cld_filter, 1);
cld_filter, 1);
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to delete a tunnel filter.");
return ret;
}
ret = i40e_sw_tunnel_filter_del(pf, &node->input);
}
rte_free(cld_filter);
return ret;

View File

@ -421,6 +421,32 @@ struct i40e_ethertype_rule {
struct rte_hash *hash_table;
};
/* Tunnel filter number HW supports */
#define I40E_MAX_TUNNEL_FILTER_NUM 400
/* Tunnel filter struct */
struct i40e_tunnel_filter_input {
uint8_t outer_mac[6]; /* Outer mac address to match */
uint8_t inner_mac[6]; /* Inner mac address to match */
uint16_t inner_vlan; /* Inner vlan address to match */
uint16_t flags; /* Filter type flag */
uint32_t tenant_id; /* Tenant id to match */
};
struct i40e_tunnel_filter {
TAILQ_ENTRY(i40e_tunnel_filter) rules;
struct i40e_tunnel_filter_input input;
uint16_t queue; /* Queue assigned to when match */
};
TAILQ_HEAD(i40e_tunnel_filter_list, i40e_tunnel_filter);
struct i40e_tunnel_rule {
struct i40e_tunnel_filter_list tunnel_list;
struct i40e_tunnel_filter **hash_map;
struct rte_hash *hash_table;
};
#define I40E_MIRROR_MAX_ENTRIES_PER_RULE 64
#define I40E_MAX_MIRROR_RULES 64
/*
@ -492,6 +518,7 @@ struct i40e_pf {
struct i40e_fdir_info fdir; /* flow director info */
struct i40e_ethertype_rule ethertype; /* Ethertype filter rule */
struct i40e_tunnel_rule tunnel; /* Tunnel filter rule */
struct i40e_fc_conf fc_conf; /* Flow control conf */
struct i40e_mirror_rule_list mirror_list;
uint16_t nb_mirror_rule; /* The number of mirror rules */
@ -647,6 +674,11 @@ i40e_sw_ethertype_filter_lookup(struct i40e_ethertype_rule *ethertype_rule,
const struct i40e_ethertype_filter_input *input);
int i40e_sw_ethertype_filter_del(struct i40e_pf *pf,
struct i40e_ethertype_filter_input *input);
struct i40e_tunnel_filter *
i40e_sw_tunnel_filter_lookup(struct i40e_tunnel_rule *tunnel_rule,
const struct i40e_tunnel_filter_input *input);
int i40e_sw_tunnel_filter_del(struct i40e_pf *pf,
struct i40e_tunnel_filter_input *input);
#define I40E_DEV_TO_PCI(eth_dev) \
RTE_DEV_TO_PCI((eth_dev)->device)