summaryrefslogtreecommitdiffstats
path: root/drivers/net/i40e/i40e_fdir.c
diff options
context:
space:
mode:
authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 14:51:32 +0200
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 16:20:45 +0200
commit7595afa4d30097c1177b69257118d8ad89a539be (patch)
tree4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/i40e/i40e_fdir.c
parentce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff)
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/i40e/i40e_fdir.c')
-rw-r--r--drivers/net/i40e/i40e_fdir.c138
1 files changed, 134 insertions, 4 deletions
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 335bf15c..28cc554f 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -119,7 +119,13 @@ static int i40e_fdir_filter_programming(struct i40e_pf *pf,
enum i40e_filter_pctype pctype,
const struct rte_eth_fdir_filter *filter,
bool add);
-static int i40e_fdir_flush(struct rte_eth_dev *dev);
+static int i40e_fdir_filter_convert(const struct rte_eth_fdir_filter *input,
+ struct i40e_fdir_filter *filter);
+static struct i40e_fdir_filter *
+i40e_sw_fdir_filter_lookup(struct i40e_fdir_info *fdir_info,
+ const struct rte_eth_fdir_input *input);
+static int i40e_sw_fdir_filter_insert(struct i40e_pf *pf,
+ struct i40e_fdir_filter *filter);
static int
i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq)
@@ -251,7 +257,7 @@ i40e_fdir_setup(struct i40e_pf *pf)
/* reserve memory for the fdir programming packet */
snprintf(z_name, sizeof(z_name), "%s_%s_%d",
- eth_dev->driver->pci_drv.driver.name,
+ eth_dev->data->drv_name,
I40E_FDIR_MZ_NAME,
eth_dev->data->port_id);
mz = i40e_memzone_reserve(z_name, I40E_FDIR_PKT_LEN, SOCKET_ID_ANY);
@@ -1017,13 +1023,81 @@ i40e_check_fdir_programming_status(struct i40e_rx_queue *rxq)
return ret;
}
+static int
+i40e_fdir_filter_convert(const struct rte_eth_fdir_filter *input,
+ struct i40e_fdir_filter *filter)
+{
+ rte_memcpy(&filter->fdir, input, sizeof(struct rte_eth_fdir_filter));
+ return 0;
+}
+
+/* Check if there exists the flow director filter */
+static struct i40e_fdir_filter *
+i40e_sw_fdir_filter_lookup(struct i40e_fdir_info *fdir_info,
+ const struct rte_eth_fdir_input *input)
+{
+ int ret;
+
+ ret = rte_hash_lookup(fdir_info->hash_table, (const void *)input);
+ if (ret < 0)
+ return NULL;
+
+ return fdir_info->hash_map[ret];
+}
+
+/* Add a flow director filter into the SW list */
+static int
+i40e_sw_fdir_filter_insert(struct i40e_pf *pf, struct i40e_fdir_filter *filter)
+{
+ struct i40e_fdir_info *fdir_info = &pf->fdir;
+ int ret;
+
+ ret = rte_hash_add_key(fdir_info->hash_table,
+ &filter->fdir.input);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR,
+ "Failed to insert fdir filter to hash table %d!",
+ ret);
+ return ret;
+ }
+ fdir_info->hash_map[ret] = filter;
+
+ TAILQ_INSERT_TAIL(&fdir_info->fdir_list, filter, rules);
+
+ return 0;
+}
+
+/* Delete a flow director filter from the SW list */
+int
+i40e_sw_fdir_filter_del(struct i40e_pf *pf, struct rte_eth_fdir_input *input)
+{
+ struct i40e_fdir_info *fdir_info = &pf->fdir;
+ struct i40e_fdir_filter *filter;
+ int ret;
+
+ ret = rte_hash_del_key(fdir_info->hash_table, input);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR,
+ "Failed to delete fdir filter to hash table %d!",
+ ret);
+ return ret;
+ }
+ filter = fdir_info->hash_map[ret];
+ fdir_info->hash_map[ret] = NULL;
+
+ TAILQ_REMOVE(&fdir_info->fdir_list, filter, rules);
+ rte_free(filter);
+
+ return 0;
+}
+
/*
* i40e_add_del_fdir_filter - add or remove a flow director filter.
* @pf: board private structure
* @filter: fdir filter entry
* @add: 0 - delete, 1 - add
*/
-static int
+int
i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
const struct rte_eth_fdir_filter *filter,
bool add)
@@ -1032,6 +1106,9 @@ i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
enum i40e_filter_pctype pctype;
+ struct i40e_fdir_info *fdir_info = &pf->fdir;
+ struct i40e_fdir_filter *fdir_filter, *node;
+ struct i40e_fdir_filter check_filter; /* Check if the filter exists */
int ret = 0;
if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
@@ -1054,6 +1131,22 @@ i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
return -EINVAL;
}
+ /* Check if there is the filter in SW list */
+ memset(&check_filter, 0, sizeof(check_filter));
+ i40e_fdir_filter_convert(filter, &check_filter);
+ node = i40e_sw_fdir_filter_lookup(fdir_info, &check_filter.fdir.input);
+ if (add && node) {
+ PMD_DRV_LOG(ERR,
+ "Conflict with existing flow director rules!");
+ return -EINVAL;
+ }
+
+ if (!add && !node) {
+ PMD_DRV_LOG(ERR,
+ "There's no corresponding flow firector filter!");
+ return -EINVAL;
+ }
+
memset(pkt, 0, I40E_FDIR_PKT_LEN);
ret = i40e_fdir_construct_pkt(pf, &filter->input, pkt);
@@ -1077,6 +1170,16 @@ i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
pctype);
return ret;
}
+
+ if (add) {
+ fdir_filter = rte_zmalloc("fdir_filter",
+ sizeof(*fdir_filter), 0);
+ rte_memcpy(fdir_filter, &check_filter, sizeof(check_filter));
+ ret = i40e_sw_fdir_filter_insert(pf, fdir_filter);
+ } else {
+ ret = i40e_sw_fdir_filter_del(pf, &node->fdir.input);
+ }
+
return ret;
}
@@ -1220,7 +1323,7 @@ i40e_fdir_filter_programming(struct i40e_pf *pf,
* i40e_fdir_flush - clear all filters of Flow Director table
* @pf: board private structure
*/
-static int
+int
i40e_fdir_flush(struct rte_eth_dev *dev)
{
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
@@ -1481,3 +1584,30 @@ i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
}
return ret;
}
+
+/* Restore flow director filter */
+void
+i40e_fdir_filter_restore(struct i40e_pf *pf)
+{
+ struct rte_eth_dev *dev = I40E_VSI_TO_ETH_DEV(pf->main_vsi);
+ struct i40e_fdir_filter_list *fdir_list = &pf->fdir.fdir_list;
+ struct i40e_fdir_filter *f;
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint32_t fdstat;
+ uint32_t guarant_cnt; /**< Number of filters in guaranteed spaces. */
+ uint32_t best_cnt; /**< Number of filters in best effort spaces. */
+
+ TAILQ_FOREACH(f, fdir_list, rules)
+ i40e_add_del_fdir_filter(dev, &f->fdir, TRUE);
+
+ fdstat = I40E_READ_REG(hw, I40E_PFQF_FDSTAT);
+ guarant_cnt =
+ (uint32_t)((fdstat & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ best_cnt =
+ (uint32_t)((fdstat & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+
+ PMD_DRV_LOG(INFO, "FDIR: Guarant count: %d, Best count: %d",
+ guarant_cnt, best_cnt);
+}