From: Chenmin Sun <chenmin....@intel.com> This patch introduces the new data structures for i40e fdir update rate optimization.
Signed-off-by: Chenmin Sun <chenmin....@intel.com> --- drivers/net/i40e/i40e_ethdev.h | 72 ++++++++++++++++++++++++++++------ 1 file changed, 61 insertions(+), 11 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h index 31ca05de9..8baa67233 100644 --- a/drivers/net/i40e/i40e_ethdev.h +++ b/drivers/net/i40e/i40e_ethdev.h @@ -264,6 +264,15 @@ enum i40e_flxpld_layer_idx { #define I40E_DEFAULT_DCB_APP_NUM 1 #define I40E_DEFAULT_DCB_APP_PRIO 3 +/* + * Struct to store flow created. + */ +struct rte_flow { + TAILQ_ENTRY(rte_flow) node; + enum rte_filter_type filter_type; + void *rule; +}; + /** * The overhead from MTU to max frame size. * Considering QinQ packet, the VLAN tag needs to be counted twice. @@ -674,17 +683,37 @@ struct i40e_fdir_filter { struct i40e_fdir_filter_conf fdir; }; +/* fdir memory pool entry */ +struct i40e_fdir_entry { + struct rte_flow flow; + uint32_t idx; +}; + +/* pre-allocated fdir memory pool */ +struct i40e_fdir_flow_pool { + /* a bitmap to manage the fdir pool */ + struct rte_bitmap *b; + /* the size the pool is pf->fdir->fdir_space_size */ + struct i40e_fdir_entry *pool; +}; + +#define FLOW_TO_FLOW_BITMAP(f) \ + container_of((f), struct i40e_fdir_entry, flow) + TAILQ_HEAD(i40e_fdir_filter_list, i40e_fdir_filter); /* * A structure used to define fields of a FDIR related info. */ struct i40e_fdir_info { +#define PRG_PKT_CNT 128 + struct i40e_vsi *fdir_vsi; /* pointer to fdir VSI structure */ uint16_t match_counter_index; /* Statistic counter index used for fdir*/ struct i40e_tx_queue *txq; struct i40e_rx_queue *rxq; void *prg_pkt; /* memory for fdir program packet */ uint64_t dma_addr; /* physic address of packet memory*/ + /* input set bits for each pctype */ uint64_t input_set[I40E_FILTER_PCTYPE_MAX]; /* @@ -697,6 +726,36 @@ struct i40e_fdir_info { struct i40e_fdir_filter_list fdir_list; struct i40e_fdir_filter **hash_map; struct rte_hash *hash_table; + /* An array to store the inserted rules input */ + struct i40e_fdir_filter *fdir_filter_array; + + /* + * Priority ordering at filter invalidation(destroying a flow) between + * "best effort" space and "guaranteed" space. + * + * 0 = At filter invalidation, the hardware first tries to increment the + * "best effort" space. The "guaranteed" space is incremented only when + * the global "best effort" space is at it max value or the "best effort" + * space of the PF is at its max value. + * 1 = At filter invalidation, the hardware first tries to increment its + * "guaranteed" space. The "best effort" space is incremented only when + * it is already at its max value. + */ + uint32_t fdir_invalprio; + /* the total size of the fdir, this number is the sum of the guaranteed + + * shared space + */ + uint32_t fdir_space_size; + /* the actual number of the fdir rules in hardware, initialized as 0 */ + uint32_t fdir_actual_cnt; + /* the guaranteed space of the fdir */ + uint32_t fdir_guarantee_free_space; + /* the available guaranteed space, initialized as the + * fdir_guarantee_free_space and dynamically maintained + */ + uint32_t fdir_guarantee_available_space; + /* the pre-allocated pool of the rte_flow */ + struct i40e_fdir_flow_pool fdir_flow_pool; /* Mark if flex pit and mask is set */ bool flex_pit_flag[I40E_MAX_FLXPLD_LAYER]; @@ -894,15 +953,6 @@ struct i40e_mirror_rule { TAILQ_HEAD(i40e_mirror_rule_list, i40e_mirror_rule); -/* - * Struct to store flow created. - */ -struct rte_flow { - TAILQ_ENTRY(rte_flow) node; - enum rte_filter_type filter_type; - void *rule; -}; - TAILQ_HEAD(i40e_flow_list, rte_flow); /* Struct to store Traffic Manager shaper profile. */ @@ -1335,8 +1385,8 @@ int i40e_add_del_fdir_filter(struct rte_eth_dev *dev, const struct rte_eth_fdir_filter *filter, bool add); int i40e_flow_add_del_fdir_filter(struct rte_eth_dev *dev, - const struct i40e_fdir_filter_conf *filter, - bool add); + const struct i40e_fdir_filter_conf *filter, + bool add); int i40e_dev_tunnel_filter_set(struct i40e_pf *pf, struct rte_eth_tunnel_filter_conf *tunnel_filter, uint8_t add); -- 2.17.1