| /* bnx2x_vfpf.h: Broadcom Everest network driver. |
| * |
| * Copyright (c) 2011-2013 Broadcom Corporation |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed to you |
| * under the terms of the GNU General Public License version 2, available |
| * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
| * |
| * Notwithstanding the above, under no circumstances may you combine this |
| * software in any way with any other Broadcom software provided under a |
| * license other than the GPL, without Broadcom's express prior written |
| * consent. |
| * |
| * Maintained by: Eilon Greenstein <eilong@broadcom.com> |
| * Written by: Ariel Elior <ariele@broadcom.com> |
| */ |
| #ifndef VF_PF_IF_H |
| #define VF_PF_IF_H |
| |
| #ifdef CONFIG_BNX2X_SRIOV |
| |
| /* Common definitions for all HVs */ |
| struct vf_pf_resc_request { |
| u8 num_rxqs; |
| u8 num_txqs; |
| u8 num_sbs; |
| u8 num_mac_filters; |
| u8 num_vlan_filters; |
| u8 num_mc_filters; /* No limit so superfluous */ |
| }; |
| |
| struct hw_sb_info { |
| u8 hw_sb_id; /* aka absolute igu id, used to ack the sb */ |
| u8 sb_qid; /* used to update DHC for sb */ |
| }; |
| |
| /* HW VF-PF channel definitions |
| * A.K.A VF-PF mailbox |
| */ |
| #define TLV_BUFFER_SIZE 1024 |
| #define PF_VF_BULLETIN_SIZE 512 |
| |
| #define VFPF_QUEUE_FLG_TPA 0x0001 |
| #define VFPF_QUEUE_FLG_TPA_IPV6 0x0002 |
| #define VFPF_QUEUE_FLG_TPA_GRO 0x0004 |
| #define VFPF_QUEUE_FLG_CACHE_ALIGN 0x0008 |
| #define VFPF_QUEUE_FLG_STATS 0x0010 |
| #define VFPF_QUEUE_FLG_OV 0x0020 |
| #define VFPF_QUEUE_FLG_VLAN 0x0040 |
| #define VFPF_QUEUE_FLG_COS 0x0080 |
| #define VFPF_QUEUE_FLG_HC 0x0100 |
| #define VFPF_QUEUE_FLG_DHC 0x0200 |
| #define VFPF_QUEUE_FLG_LEADING_RSS 0x0400 |
| |
| #define VFPF_QUEUE_DROP_IP_CS_ERR (1 << 0) |
| #define VFPF_QUEUE_DROP_TCP_CS_ERR (1 << 1) |
| #define VFPF_QUEUE_DROP_TTL0 (1 << 2) |
| #define VFPF_QUEUE_DROP_UDP_CS_ERR (1 << 3) |
| |
| #define VFPF_RX_MASK_ACCEPT_NONE 0x00000000 |
| #define VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST 0x00000001 |
| #define VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST 0x00000002 |
| #define VFPF_RX_MASK_ACCEPT_ALL_UNICAST 0x00000004 |
| #define VFPF_RX_MASK_ACCEPT_ALL_MULTICAST 0x00000008 |
| #define VFPF_RX_MASK_ACCEPT_BROADCAST 0x00000010 |
| #define BULLETIN_CONTENT_SIZE (sizeof(struct pf_vf_bulletin_content)) |
| #define BULLETIN_ATTEMPTS 5 /* crc failures before throwing towel */ |
| #define BULLETIN_CRC_SEED 0 |
| |
| enum { |
| PFVF_STATUS_WAITING = 0, |
| PFVF_STATUS_SUCCESS, |
| PFVF_STATUS_FAILURE, |
| PFVF_STATUS_NOT_SUPPORTED, |
| PFVF_STATUS_NO_RESOURCE |
| }; |
| |
| /* vf pf channel tlvs */ |
| /* general tlv header (used for both vf->pf request and pf->vf response) */ |
| struct channel_tlv { |
| u16 type; |
| u16 length; |
| }; |
| |
| /* header of first vf->pf tlv carries the offset used to calculate response |
| * buffer address |
| */ |
| struct vfpf_first_tlv { |
| struct channel_tlv tl; |
| u32 resp_msg_offset; |
| }; |
| |
| /* header of pf->vf tlvs, carries the status of handling the request */ |
| struct pfvf_tlv { |
| struct channel_tlv tl; |
| u8 status; |
| u8 padding[3]; |
| }; |
| |
| /* response tlv used for most tlvs */ |
| struct pfvf_general_resp_tlv { |
| struct pfvf_tlv hdr; |
| }; |
| |
| /* used to terminate and pad a tlv list */ |
| struct channel_list_end_tlv { |
| struct channel_tlv tl; |
| u8 padding[4]; |
| }; |
| |
| /* Acquire */ |
| struct vfpf_acquire_tlv { |
| struct vfpf_first_tlv first_tlv; |
| |
| struct vf_pf_vfdev_info { |
| /* the following fields are for debug purposes */ |
| u8 vf_id; /* ME register value */ |
| u8 vf_os; /* e.g. Linux, W2K8 */ |
| u8 padding[2]; |
| } vfdev_info; |
| |
| struct vf_pf_resc_request resc_request; |
| |
| aligned_u64 bulletin_addr; |
| }; |
| |
| /* simple operation request on queue */ |
| struct vfpf_q_op_tlv { |
| struct vfpf_first_tlv first_tlv; |
| u8 vf_qid; |
| u8 padding[3]; |
| }; |
| |
| /* receive side scaling tlv */ |
| struct vfpf_rss_tlv { |
| struct vfpf_first_tlv first_tlv; |
| u32 rss_flags; |
| #define VFPF_RSS_MODE_DISABLED (1 << 0) |
| #define VFPF_RSS_MODE_REGULAR (1 << 1) |
| #define VFPF_RSS_SET_SRCH (1 << 2) |
| #define VFPF_RSS_IPV4 (1 << 3) |
| #define VFPF_RSS_IPV4_TCP (1 << 4) |
| #define VFPF_RSS_IPV4_UDP (1 << 5) |
| #define VFPF_RSS_IPV6 (1 << 6) |
| #define VFPF_RSS_IPV6_TCP (1 << 7) |
| #define VFPF_RSS_IPV6_UDP (1 << 8) |
| u8 rss_result_mask; |
| u8 ind_table_size; |
| u8 rss_key_size; |
| u8 padding; |
| u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE]; |
| u32 rss_key[T_ETH_RSS_KEY]; /* hash values */ |
| }; |
| |
| /* acquire response tlv - carries the allocated resources */ |
| struct pfvf_acquire_resp_tlv { |
| struct pfvf_tlv hdr; |
| struct pf_vf_pfdev_info { |
| u32 chip_num; |
| u32 pf_cap; |
| #define PFVF_CAP_RSS 0x00000001 |
| #define PFVF_CAP_DHC 0x00000002 |
| #define PFVF_CAP_TPA 0x00000004 |
| char fw_ver[32]; |
| u16 db_size; |
| u8 indices_per_sb; |
| u8 padding; |
| } pfdev_info; |
| struct pf_vf_resc { |
| /* in case of status NO_RESOURCE in message hdr, pf will fill |
| * this struct with suggested amount of resources for next |
| * acquire request |
| */ |
| #define PFVF_MAX_QUEUES_PER_VF 16 |
| #define PFVF_MAX_SBS_PER_VF 16 |
| struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF]; |
| u8 hw_qid[PFVF_MAX_QUEUES_PER_VF]; |
| u8 num_rxqs; |
| u8 num_txqs; |
| u8 num_sbs; |
| u8 num_mac_filters; |
| u8 num_vlan_filters; |
| u8 num_mc_filters; |
| u8 permanent_mac_addr[ETH_ALEN]; |
| u8 current_mac_addr[ETH_ALEN]; |
| u8 padding[2]; |
| } resc; |
| }; |
| |
| struct vfpf_port_phys_id_resp_tlv { |
| struct channel_tlv tl; |
| u8 id[ETH_ALEN]; |
| u8 padding[2]; |
| }; |
| |
| #define VFPF_INIT_FLG_STATS_COALESCE (1 << 0) /* when set the VFs queues |
| * stats will be coalesced on |
| * the leading RSS queue |
| */ |
| |
| /* Init VF */ |
| struct vfpf_init_tlv { |
| struct vfpf_first_tlv first_tlv; |
| aligned_u64 sb_addr[PFVF_MAX_SBS_PER_VF]; /* vf_sb based */ |
| aligned_u64 spq_addr; |
| aligned_u64 stats_addr; |
| u16 stats_stride; |
| u32 flags; |
| u32 padding[2]; |
| }; |
| |
| /* Setup Queue */ |
| struct vfpf_setup_q_tlv { |
| struct vfpf_first_tlv first_tlv; |
| |
| struct vf_pf_rxq_params { |
| /* physical addresses */ |
| aligned_u64 rcq_addr; |
| aligned_u64 rcq_np_addr; |
| aligned_u64 rxq_addr; |
| aligned_u64 sge_addr; |
| |
| /* sb + hc info */ |
| u8 vf_sb; /* index in hw_sbs[] */ |
| u8 sb_index; /* Index in the SB */ |
| u16 hc_rate; /* desired interrupts per sec. */ |
| /* valid iff VFPF_QUEUE_FLG_HC */ |
| /* rx buffer info */ |
| u16 mtu; |
| u16 buf_sz; |
| u16 flags; /* VFPF_QUEUE_FLG_X flags */ |
| u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */ |
| |
| /* valid iff VFPF_QUEUE_FLG_TPA */ |
| u16 sge_buf_sz; |
| u16 tpa_agg_sz; |
| u8 max_sge_pkt; |
| |
| u8 drop_flags; /* VFPF_QUEUE_DROP_X, for Linux VMs |
| * all the flags are turned off |
| */ |
| |
| u8 cache_line_log; /* VFPF_QUEUE_FLG_CACHE_ALIGN */ |
| u8 padding; |
| } rxq; |
| |
| struct vf_pf_txq_params { |
| /* physical addresses */ |
| aligned_u64 txq_addr; |
| |
| /* sb + hc info */ |
| u8 vf_sb; /* index in hw_sbs[] */ |
| u8 sb_index; /* Index in the SB */ |
| u16 hc_rate; /* desired interrupts per sec. */ |
| /* valid iff VFPF_QUEUE_FLG_HC */ |
| u32 flags; /* VFPF_QUEUE_FLG_X flags */ |
| u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */ |
| u8 traffic_type; /* see in setup_context() */ |
| u8 padding; |
| } txq; |
| |
| u8 vf_qid; /* index in hw_qid[] */ |
| u8 param_valid; |
| #define VFPF_RXQ_VALID 0x01 |
| #define VFPF_TXQ_VALID 0x02 |
| u8 padding[2]; |
| }; |
| |
| /* Set Queue Filters */ |
| struct vfpf_q_mac_vlan_filter { |
| u32 flags; |
| #define VFPF_Q_FILTER_DEST_MAC_VALID 0x01 |
| #define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02 |
| #define VFPF_Q_FILTER_SET_MAC 0x100 /* set/clear */ |
| u8 mac[ETH_ALEN]; |
| u16 vlan_tag; |
| }; |
| |
| /* configure queue filters */ |
| struct vfpf_set_q_filters_tlv { |
| struct vfpf_first_tlv first_tlv; |
| |
| u32 flags; |
| #define VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED 0x01 |
| #define VFPF_SET_Q_FILTERS_MULTICAST_CHANGED 0x02 |
| #define VFPF_SET_Q_FILTERS_RX_MASK_CHANGED 0x04 |
| |
| u8 vf_qid; /* index in hw_qid[] */ |
| u8 n_mac_vlan_filters; |
| u8 n_multicast; |
| u8 padding; |
| |
| #define PFVF_MAX_MAC_FILTERS 16 |
| #define PFVF_MAX_VLAN_FILTERS 16 |
| #define PFVF_MAX_FILTERS (PFVF_MAX_MAC_FILTERS +\ |
| PFVF_MAX_VLAN_FILTERS) |
| struct vfpf_q_mac_vlan_filter filters[PFVF_MAX_FILTERS]; |
| |
| #define PFVF_MAX_MULTICAST_PER_VF 32 |
| u8 multicast[PFVF_MAX_MULTICAST_PER_VF][ETH_ALEN]; |
| |
| u32 rx_mask; /* see mask constants at the top of the file */ |
| }; |
| |
| /* close VF (disable VF) */ |
| struct vfpf_close_tlv { |
| struct vfpf_first_tlv first_tlv; |
| u16 vf_id; /* for debug */ |
| u8 padding[2]; |
| }; |
| |
| /* release the VF's acquired resources */ |
| struct vfpf_release_tlv { |
| struct vfpf_first_tlv first_tlv; |
| u16 vf_id; |
| u8 padding[2]; |
| }; |
| |
| struct tlv_buffer_size { |
| u8 tlv_buffer[TLV_BUFFER_SIZE]; |
| }; |
| |
| union vfpf_tlvs { |
| struct vfpf_first_tlv first_tlv; |
| struct vfpf_acquire_tlv acquire; |
| struct vfpf_init_tlv init; |
| struct vfpf_close_tlv close; |
| struct vfpf_q_op_tlv q_op; |
| struct vfpf_setup_q_tlv setup_q; |
| struct vfpf_set_q_filters_tlv set_q_filters; |
| struct vfpf_release_tlv release; |
| struct vfpf_rss_tlv update_rss; |
| struct channel_list_end_tlv list_end; |
| struct tlv_buffer_size tlv_buf_size; |
| }; |
| |
| union pfvf_tlvs { |
| struct pfvf_general_resp_tlv general_resp; |
| struct pfvf_acquire_resp_tlv acquire_resp; |
| struct channel_list_end_tlv list_end; |
| struct tlv_buffer_size tlv_buf_size; |
| }; |
| |
| /* This is a structure which is allocated in the VF, which the PF may update |
| * when it deems it necessary to do so. The bulletin board is sampled |
| * periodically by the VF. A copy per VF is maintained in the PF (to prevent |
| * loss of data upon multiple updates (or the need for read modify write)). |
| */ |
| struct pf_vf_bulletin_size { |
| u8 size[PF_VF_BULLETIN_SIZE]; |
| }; |
| |
| struct pf_vf_bulletin_content { |
| u32 crc; /* crc of structure to ensure is not in |
| * mid-update |
| */ |
| u16 version; |
| u16 length; |
| |
| aligned_u64 valid_bitmap; /* bitmap indicating which fields |
| * hold valid values |
| */ |
| |
| #define MAC_ADDR_VALID 0 /* alert the vf that a new mac address |
| * is available for it |
| */ |
| #define VLAN_VALID 1 /* when set, the vf should not access |
| * the vfpf channel |
| */ |
| #define CHANNEL_DOWN 2 /* vfpf channel is disabled. VFs are not |
| * to attempt to send messages on the |
| * channel after this bit is set |
| */ |
| u8 mac[ETH_ALEN]; |
| u8 mac_padding[2]; |
| |
| u16 vlan; |
| u8 vlan_padding[6]; |
| }; |
| |
| union pf_vf_bulletin { |
| struct pf_vf_bulletin_content content; |
| struct pf_vf_bulletin_size size; |
| }; |
| |
| #define MAX_TLVS_IN_LIST 50 |
| |
| enum channel_tlvs { |
| CHANNEL_TLV_NONE, |
| CHANNEL_TLV_ACQUIRE, |
| CHANNEL_TLV_INIT, |
| CHANNEL_TLV_SETUP_Q, |
| CHANNEL_TLV_SET_Q_FILTERS, |
| CHANNEL_TLV_ACTIVATE_Q, |
| CHANNEL_TLV_DEACTIVATE_Q, |
| CHANNEL_TLV_TEARDOWN_Q, |
| CHANNEL_TLV_CLOSE, |
| CHANNEL_TLV_RELEASE, |
| CHANNEL_TLV_UPDATE_RSS_DEPRECATED, |
| CHANNEL_TLV_PF_RELEASE_VF, |
| CHANNEL_TLV_LIST_END, |
| CHANNEL_TLV_FLR, |
| CHANNEL_TLV_PF_SET_MAC, |
| CHANNEL_TLV_PF_SET_VLAN, |
| CHANNEL_TLV_UPDATE_RSS, |
| CHANNEL_TLV_PHYS_PORT_ID, |
| CHANNEL_TLV_MAX |
| }; |
| |
| #endif /* CONFIG_BNX2X_SRIOV */ |
| #endif /* VF_PF_IF_H */ |