474 lines
12 KiB
C
474 lines
12 KiB
C
/* bnx2x_vfpf.h: Qlogic Everest network driver.
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*
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* Copyright (c) 2011-2013 Broadcom Corporation
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* Copyright (c) 2014 QLogic Corporation
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* All rights reserved
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*
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* Unless you and Qlogic execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the “GPL”),
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* available at http://www.gnu.org/licenses/gpl-2.0.html, with the following
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* added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions
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* of the license of that module. An independent module is a module which is
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* not derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Maintained by: Ariel Elior <ariel.elior@qlogic.com>
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* Written by: Ariel Elior <ariel.elior@qlogic.com>
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*/
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#ifndef VF_PF_IF_H
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#define VF_PF_IF_H
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#ifdef CONFIG_BNX2X_SRIOV
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/* Common definitions for all HVs */
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struct vf_pf_resc_request {
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u8 num_rxqs;
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u8 num_txqs;
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u8 num_sbs;
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u8 num_mac_filters;
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u8 num_vlan_filters;
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u8 num_mc_filters; /* No limit so superfluous */
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};
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struct hw_sb_info {
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u8 hw_sb_id; /* aka absolute igu id, used to ack the sb */
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u8 sb_qid; /* used to update DHC for sb */
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};
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/* HW VF-PF channel definitions
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* A.K.A VF-PF mailbox
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*/
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#define TLV_BUFFER_SIZE 1024
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#define PF_VF_BULLETIN_SIZE 512
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#define VFPF_QUEUE_FLG_TPA 0x0001
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#define VFPF_QUEUE_FLG_TPA_IPV6 0x0002
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#define VFPF_QUEUE_FLG_TPA_GRO 0x0004
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#define VFPF_QUEUE_FLG_CACHE_ALIGN 0x0008
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#define VFPF_QUEUE_FLG_STATS 0x0010
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#define VFPF_QUEUE_FLG_OV 0x0020
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#define VFPF_QUEUE_FLG_VLAN 0x0040
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#define VFPF_QUEUE_FLG_COS 0x0080
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#define VFPF_QUEUE_FLG_HC 0x0100
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#define VFPF_QUEUE_FLG_DHC 0x0200
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#define VFPF_QUEUE_FLG_LEADING_RSS 0x0400
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#define VFPF_QUEUE_DROP_IP_CS_ERR (1 << 0)
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#define VFPF_QUEUE_DROP_TCP_CS_ERR (1 << 1)
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#define VFPF_QUEUE_DROP_TTL0 (1 << 2)
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#define VFPF_QUEUE_DROP_UDP_CS_ERR (1 << 3)
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#define VFPF_RX_MASK_ACCEPT_NONE 0x00000000
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#define VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST 0x00000001
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#define VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST 0x00000002
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#define VFPF_RX_MASK_ACCEPT_ALL_UNICAST 0x00000004
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#define VFPF_RX_MASK_ACCEPT_ALL_MULTICAST 0x00000008
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#define VFPF_RX_MASK_ACCEPT_BROADCAST 0x00000010
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#define VFPF_RX_MASK_ACCEPT_ANY_VLAN 0x00000020
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#define BULLETIN_CONTENT_SIZE (sizeof(struct pf_vf_bulletin_content))
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#define BULLETIN_CONTENT_LEGACY_SIZE (32)
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#define BULLETIN_ATTEMPTS 5 /* crc failures before throwing towel */
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#define BULLETIN_CRC_SEED 0
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enum {
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PFVF_STATUS_WAITING = 0,
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PFVF_STATUS_SUCCESS,
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PFVF_STATUS_FAILURE,
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PFVF_STATUS_NOT_SUPPORTED,
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PFVF_STATUS_NO_RESOURCE
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};
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/* vf pf channel tlvs */
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/* general tlv header (used for both vf->pf request and pf->vf response) */
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struct channel_tlv {
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u16 type;
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u16 length;
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};
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/* header of first vf->pf tlv carries the offset used to calculate response
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* buffer address
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*/
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struct vfpf_first_tlv {
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struct channel_tlv tl;
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u32 resp_msg_offset;
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};
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/* header of pf->vf tlvs, carries the status of handling the request */
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struct pfvf_tlv {
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struct channel_tlv tl;
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u8 status;
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u8 padding[3];
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};
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/* response tlv used for most tlvs */
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struct pfvf_general_resp_tlv {
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struct pfvf_tlv hdr;
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};
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/* used to terminate and pad a tlv list */
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struct channel_list_end_tlv {
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struct channel_tlv tl;
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u8 padding[4];
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};
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/* Acquire */
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struct vfpf_acquire_tlv {
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struct vfpf_first_tlv first_tlv;
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struct vf_pf_vfdev_info {
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/* the following fields are for debug purposes */
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u8 vf_id; /* ME register value */
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u8 vf_os; /* e.g. Linux, W2K8 */
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#define VF_OS_SUBVERSION_MASK (0x1f)
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#define VF_OS_MASK (0xe0)
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#define VF_OS_SHIFT (5)
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#define VF_OS_UNDEFINED (0 << VF_OS_SHIFT)
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#define VF_OS_WINDOWS (1 << VF_OS_SHIFT)
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u8 fp_hsi_ver;
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u8 caps;
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#define VF_CAP_SUPPORT_EXT_BULLETIN (1 << 0)
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#define VF_CAP_SUPPORT_VLAN_FILTER (1 << 1)
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} vfdev_info;
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struct vf_pf_resc_request resc_request;
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aligned_u64 bulletin_addr;
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};
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/* simple operation request on queue */
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struct vfpf_q_op_tlv {
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struct vfpf_first_tlv first_tlv;
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u8 vf_qid;
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u8 padding[3];
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};
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/* receive side scaling tlv */
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struct vfpf_rss_tlv {
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struct vfpf_first_tlv first_tlv;
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u32 rss_flags;
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#define VFPF_RSS_MODE_DISABLED (1 << 0)
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#define VFPF_RSS_MODE_REGULAR (1 << 1)
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#define VFPF_RSS_SET_SRCH (1 << 2)
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#define VFPF_RSS_IPV4 (1 << 3)
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#define VFPF_RSS_IPV4_TCP (1 << 4)
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#define VFPF_RSS_IPV4_UDP (1 << 5)
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#define VFPF_RSS_IPV6 (1 << 6)
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#define VFPF_RSS_IPV6_TCP (1 << 7)
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#define VFPF_RSS_IPV6_UDP (1 << 8)
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u8 rss_result_mask;
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u8 ind_table_size;
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u8 rss_key_size;
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u8 padding;
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u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
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u32 rss_key[T_ETH_RSS_KEY]; /* hash values */
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};
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/* acquire response tlv - carries the allocated resources */
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struct pfvf_acquire_resp_tlv {
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struct pfvf_tlv hdr;
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struct pf_vf_pfdev_info {
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u32 chip_num;
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u32 pf_cap;
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#define PFVF_CAP_RSS 0x00000001
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#define PFVF_CAP_DHC 0x00000002
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#define PFVF_CAP_TPA 0x00000004
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#define PFVF_CAP_TPA_UPDATE 0x00000008
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#define PFVF_CAP_VLAN_FILTER 0x00000010
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char fw_ver[32];
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u16 db_size;
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u8 indices_per_sb;
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u8 padding;
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} pfdev_info;
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struct pf_vf_resc {
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/* in case of status NO_RESOURCE in message hdr, pf will fill
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* this struct with suggested amount of resources for next
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* acquire request
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*/
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#define PFVF_MAX_QUEUES_PER_VF 16
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#define PFVF_MAX_SBS_PER_VF 16
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struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
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u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
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u8 num_rxqs;
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u8 num_txqs;
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u8 num_sbs;
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u8 num_mac_filters;
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u8 num_vlan_filters;
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u8 num_mc_filters;
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u8 permanent_mac_addr[ETH_ALEN];
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u8 current_mac_addr[ETH_ALEN];
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u8 padding[2];
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} resc;
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};
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struct vfpf_port_phys_id_resp_tlv {
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struct channel_tlv tl;
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u8 id[ETH_ALEN];
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u8 padding[2];
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};
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struct vfpf_fp_hsi_resp_tlv {
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struct channel_tlv tl;
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u8 is_supported;
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u8 padding[3];
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};
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#define VFPF_INIT_FLG_STATS_COALESCE (1 << 0) /* when set the VFs queues
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* stats will be coalesced on
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* the leading RSS queue
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*/
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/* Init VF */
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struct vfpf_init_tlv {
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struct vfpf_first_tlv first_tlv;
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aligned_u64 sb_addr[PFVF_MAX_SBS_PER_VF]; /* vf_sb based */
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aligned_u64 spq_addr;
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aligned_u64 stats_addr;
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u16 stats_stride;
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u32 flags;
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u32 padding[2];
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};
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/* Setup Queue */
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struct vfpf_setup_q_tlv {
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struct vfpf_first_tlv first_tlv;
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struct vf_pf_rxq_params {
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/* physical addresses */
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aligned_u64 rcq_addr;
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aligned_u64 rcq_np_addr;
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aligned_u64 rxq_addr;
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aligned_u64 sge_addr;
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/* sb + hc info */
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u8 vf_sb; /* index in hw_sbs[] */
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u8 sb_index; /* Index in the SB */
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u16 hc_rate; /* desired interrupts per sec. */
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/* valid iff VFPF_QUEUE_FLG_HC */
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/* rx buffer info */
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u16 mtu;
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u16 buf_sz;
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u16 flags; /* VFPF_QUEUE_FLG_X flags */
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u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
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/* valid iff VFPF_QUEUE_FLG_TPA */
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u16 sge_buf_sz;
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u16 tpa_agg_sz;
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u8 max_sge_pkt;
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u8 drop_flags; /* VFPF_QUEUE_DROP_X, for Linux VMs
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* all the flags are turned off
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*/
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u8 cache_line_log; /* VFPF_QUEUE_FLG_CACHE_ALIGN */
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u8 padding;
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} rxq;
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struct vf_pf_txq_params {
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/* physical addresses */
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aligned_u64 txq_addr;
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/* sb + hc info */
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u8 vf_sb; /* index in hw_sbs[] */
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u8 sb_index; /* Index in the SB */
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u16 hc_rate; /* desired interrupts per sec. */
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/* valid iff VFPF_QUEUE_FLG_HC */
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u32 flags; /* VFPF_QUEUE_FLG_X flags */
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u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
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u8 traffic_type; /* see in setup_context() */
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u8 padding;
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} txq;
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u8 vf_qid; /* index in hw_qid[] */
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u8 param_valid;
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#define VFPF_RXQ_VALID 0x01
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#define VFPF_TXQ_VALID 0x02
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u8 padding[2];
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};
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/* Set Queue Filters */
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struct vfpf_q_mac_vlan_filter {
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u32 flags;
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#define VFPF_Q_FILTER_DEST_MAC_VALID 0x01
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#define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02
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#define VFPF_Q_FILTER_SET 0x100 /* set/clear */
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u8 mac[ETH_ALEN];
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u16 vlan_tag;
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};
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/* configure queue filters */
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struct vfpf_set_q_filters_tlv {
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struct vfpf_first_tlv first_tlv;
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u32 flags;
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#define VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED 0x01
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#define VFPF_SET_Q_FILTERS_MULTICAST_CHANGED 0x02
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#define VFPF_SET_Q_FILTERS_RX_MASK_CHANGED 0x04
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u8 vf_qid; /* index in hw_qid[] */
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u8 n_mac_vlan_filters;
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u8 n_multicast;
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u8 padding;
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#define PFVF_MAX_MAC_FILTERS 16
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#define PFVF_MAX_VLAN_FILTERS 16
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#define PFVF_MAX_FILTERS (PFVF_MAX_MAC_FILTERS +\
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PFVF_MAX_VLAN_FILTERS)
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struct vfpf_q_mac_vlan_filter filters[PFVF_MAX_FILTERS];
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#define PFVF_MAX_MULTICAST_PER_VF 32
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u8 multicast[PFVF_MAX_MULTICAST_PER_VF][ETH_ALEN];
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u32 rx_mask; /* see mask constants at the top of the file */
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};
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struct vfpf_tpa_tlv {
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struct vfpf_first_tlv first_tlv;
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struct vf_pf_tpa_client_info {
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aligned_u64 sge_addr[PFVF_MAX_QUEUES_PER_VF];
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u8 update_ipv4;
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u8 update_ipv6;
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u8 max_tpa_queues;
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u8 max_sges_for_packet;
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u8 complete_on_both_clients;
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u8 dont_verify_thr;
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u8 tpa_mode;
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u16 sge_buff_size;
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u16 max_agg_size;
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u16 sge_pause_thr_low;
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u16 sge_pause_thr_high;
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} tpa_client_info;
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};
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/* close VF (disable VF) */
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struct vfpf_close_tlv {
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struct vfpf_first_tlv first_tlv;
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u16 vf_id; /* for debug */
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u8 padding[2];
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};
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/* release the VF's acquired resources */
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struct vfpf_release_tlv {
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struct vfpf_first_tlv first_tlv;
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u16 vf_id;
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u8 padding[2];
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};
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struct tlv_buffer_size {
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u8 tlv_buffer[TLV_BUFFER_SIZE];
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};
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union vfpf_tlvs {
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struct vfpf_first_tlv first_tlv;
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struct vfpf_acquire_tlv acquire;
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struct vfpf_init_tlv init;
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struct vfpf_close_tlv close;
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struct vfpf_q_op_tlv q_op;
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struct vfpf_setup_q_tlv setup_q;
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struct vfpf_set_q_filters_tlv set_q_filters;
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struct vfpf_release_tlv release;
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struct vfpf_rss_tlv update_rss;
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struct vfpf_tpa_tlv update_tpa;
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struct channel_list_end_tlv list_end;
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struct tlv_buffer_size tlv_buf_size;
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};
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union pfvf_tlvs {
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struct pfvf_general_resp_tlv general_resp;
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struct pfvf_acquire_resp_tlv acquire_resp;
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struct channel_list_end_tlv list_end;
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struct tlv_buffer_size tlv_buf_size;
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};
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/* This is a structure which is allocated in the VF, which the PF may update
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* when it deems it necessary to do so. The bulletin board is sampled
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* periodically by the VF. A copy per VF is maintained in the PF (to prevent
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* loss of data upon multiple updates (or the need for read modify write)).
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*/
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struct pf_vf_bulletin_size {
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u8 size[PF_VF_BULLETIN_SIZE];
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};
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struct pf_vf_bulletin_content {
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u32 crc; /* crc of structure to ensure is not in
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* mid-update
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*/
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u16 version;
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u16 length;
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aligned_u64 valid_bitmap; /* bitmap indicating which fields
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* hold valid values
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*/
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#define MAC_ADDR_VALID 0 /* alert the vf that a new mac address
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* is available for it
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*/
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#define VLAN_VALID 1 /* when set, the vf should not access
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* the vfpf channel
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*/
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#define CHANNEL_DOWN 2 /* vfpf channel is disabled. VFs are not
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* to attempt to send messages on the
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* channel after this bit is set
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*/
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#define LINK_VALID 3 /* alert the VF thet a new link status
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* update is available for it
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*/
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u8 mac[ETH_ALEN];
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u8 mac_padding[2];
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u16 vlan;
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u8 vlan_padding[6];
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u16 link_speed; /* Effective line speed */
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u8 link_speed_padding[6];
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u32 link_flags; /* VFPF_LINK_REPORT_XXX flags */
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#define VFPF_LINK_REPORT_LINK_DOWN (1 << 0)
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#define VFPF_LINK_REPORT_FULL_DUPLEX (1 << 1)
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#define VFPF_LINK_REPORT_RX_FC_ON (1 << 2)
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#define VFPF_LINK_REPORT_TX_FC_ON (1 << 3)
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u8 link_flags_padding[4];
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};
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union pf_vf_bulletin {
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struct pf_vf_bulletin_content content;
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struct pf_vf_bulletin_size size;
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};
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#define MAX_TLVS_IN_LIST 50
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enum channel_tlvs {
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CHANNEL_TLV_NONE,
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CHANNEL_TLV_ACQUIRE,
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CHANNEL_TLV_INIT,
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CHANNEL_TLV_SETUP_Q,
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CHANNEL_TLV_SET_Q_FILTERS,
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CHANNEL_TLV_ACTIVATE_Q,
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CHANNEL_TLV_DEACTIVATE_Q,
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CHANNEL_TLV_TEARDOWN_Q,
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CHANNEL_TLV_CLOSE,
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CHANNEL_TLV_RELEASE,
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CHANNEL_TLV_UPDATE_RSS_DEPRECATED,
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CHANNEL_TLV_PF_RELEASE_VF,
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CHANNEL_TLV_LIST_END,
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CHANNEL_TLV_FLR,
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CHANNEL_TLV_PF_SET_MAC,
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CHANNEL_TLV_PF_SET_VLAN,
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CHANNEL_TLV_UPDATE_RSS,
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CHANNEL_TLV_PHYS_PORT_ID,
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CHANNEL_TLV_UPDATE_TPA,
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CHANNEL_TLV_FP_HSI_SUPPORT,
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CHANNEL_TLV_MAX
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};
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#endif /* CONFIG_BNX2X_SRIOV */
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#endif /* VF_PF_IF_H */
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