/* Switch recipe ID enum values are specific to hardware */ enum ice_sw_lkup_type {
ICE_SW_LKUP_ETHERTYPE = 0,
ICE_SW_LKUP_MAC = 1,
ICE_SW_LKUP_MAC_VLAN = 2,
ICE_SW_LKUP_PROMISC = 3,
ICE_SW_LKUP_VLAN = 4,
ICE_SW_LKUP_DFLT = 5,
ICE_SW_LKUP_ETHERTYPE_MAC = 8,
ICE_SW_LKUP_PROMISC_VLAN = 9,
ICE_SW_LKUP_LAST
};
/* type of filter src ID */ enum ice_src_id {
ICE_SRC_ID_UNKNOWN = 0,
ICE_SRC_ID_VSI,
ICE_SRC_ID_QUEUE,
ICE_SRC_ID_LPORT,
};
struct ice_fltr_info { /* Look up information: how to look up packet */ enum ice_sw_lkup_type lkup_type; /* Forward action: filter action to do after lookup */ enum ice_sw_fwd_act_type fltr_act; /* rule ID returned by firmware once filter rule is created */
u16 fltr_rule_id;
u16 flag;
/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
u16 src; enum ice_src_id src_id;
union { struct {
u8 mac_addr[ETH_ALEN];
} mac; struct {
u8 mac_addr[ETH_ALEN];
u16 vlan_id;
} mac_vlan; struct {
u16 vlan_id;
u16 tpid;
u8 tpid_valid;
} vlan; /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE * if just using ethertype as filter. Set lkup_type as * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be * passed in as filter.
*/ struct {
u16 ethertype;
u8 mac_addr[ETH_ALEN]; /* optional */
} ethertype_mac;
} l_data; /* Make sure to zero out the memory of l_data before using * it or only set the data associated with lookup match * rest everything should be zero
*/
/* Depending on filter action */ union { /* queue ID in case of ICE_FWD_TO_Q and starting * queue ID in case of ICE_FWD_TO_QGRP.
*/
u16 q_id:11;
u16 hw_vsi_id:10;
u16 vsi_list_id:10;
} fwd_id;
/* Sw VSI handle */
u16 vsi_handle;
/* Set to num_queues if action is ICE_FWD_TO_QGRP. This field * determines the range of queues the packet needs to be forwarded to. * Note that qgrp_size must be set to a power of 2.
*/
u8 qgrp_size;
/* Rule creations populate these indicators basing on the switch type */
u8 lb_en; /* Indicate if packet can be looped back */
u8 lan_en; /* Indicate if packet can be forwarded to the uplink */
};
struct ice_adv_lkup_elem { enum ice_protocol_type type; union { union ice_prot_hdr h_u; /* Header values */ /* Used to iterate over the headers */
u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
}; union { union ice_prot_hdr m_u; /* Mask of header values to match */ /* Used to iterate over header mask */
u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
};
};
struct ice_sw_act_ctrl { /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
u16 src;
u16 flag; enum ice_sw_fwd_act_type fltr_act; /* Depending on filter action */ union { /* This is a queue ID in case of ICE_FWD_TO_Q and starting * queue ID in case of ICE_FWD_TO_QGRP.
*/
u16 q_id:11;
u16 vsi_id:10;
u16 hw_vsi_id:10;
u16 vsi_list_id:10;
} fwd_id; /* software VSI handle */
u16 vsi_handle;
u8 qgrp_size;
};
struct ice_rule_query_data { /* Recipe ID for which the requested rule was added */
u16 rid; /* Rule ID that was added or is supposed to be removed */
u16 rule_id; /* vsi_handle for which Rule was added or is supposed to be removed */
u16 vsi_handle;
};
/* This structure allows to pass info about lb_en and lan_en * flags to ice_add_adv_rule. Values in act would be used * only if act_valid was set to true, otherwise default * values would be used.
*/ struct ice_adv_rule_flags_info {
u32 act;
u8 act_valid; /* indicate if flags in act are valid */
};
/* A collection of one or more four word recipe */ struct ice_sw_recipe { /* For a chained recipe the root recipe is what should be used for * programming rules
*/
u8 root_rid;
u8 recp_created;
/* Number of extraction words */
u8 n_ext_words; /* Protocol ID and Offset pair (extraction word) to describe the * recipe
*/ struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];
u16 word_masks[ICE_MAX_CHAIN_WORDS];
u8 fv_idx[ICE_MAX_CHAIN_WORDS];
u16 fv_mask[ICE_MAX_CHAIN_WORDS];
/* Bit map specifying the IDs associated with this group of recipe */
DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
enum ice_sw_tunnel_type tun_type;
/* List of type ice_fltr_mgmt_list_entry or adv_rule */
u8 adv_rule; struct list_head filt_rules; struct list_head filt_replay_rules;
/* Profiles this recipe should be associated with */ struct list_head fv_list;
/* Profiles this recipe is associated with */
u8 num_profs, *prof_ids;
/* Bit map for possible result indexes */
DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);
/* This allows user to specify the recipe priority. * For now, this becomes 'fwd_priority' when recipe * is created, usually recipes can have 'fwd' and 'join' * priority.
*/
u8 priority;
u8 need_pass_l2:1;
u8 allow_pass_l2:1;
/* This struct saves the fv_words for a given lookup */ struct ice_prot_lkup_ext lkup_exts;
};
/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ struct ice_vsi_list_map_info { struct list_head list_entry;
DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
u16 vsi_list_id; /* counter to track how many rules are reusing this VSI list */
u16 ref_cnt;
};
/* This defines an entry in the list that maintains MAC or VLAN membership * to HW list mapping, since multiple VSIs can subscribe to the same MAC or * VLAN. As an optimization the VSI list should be created only when a * second VSI becomes a subscriber to the same MAC address. VSI lists are always * used for VLAN membership.
*/ struct ice_fltr_mgmt_list_entry { /* back pointer to VSI list ID to VSI list mapping */ struct ice_vsi_list_map_info *vsi_list_info;
u16 vsi_count; #define ICE_INVAL_LG_ACT_INDEX 0xffff
u16 lg_act_idx; #define ICE_INVAL_SW_MARKER_ID 0xffff
u16 sw_marker_id; struct list_head list_entry; struct ice_fltr_info fltr_info; #define ICE_INVAL_COUNTER_ID 0xff
u8 counter_index;
};
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