diff options
Diffstat (limited to 'drivers/net/i40e/i40e_fdir.c')
| -rw-r--r-- | drivers/net/i40e/i40e_fdir.c | 138 |
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); +} |