1 /* bnx2x_vfpf.h: Broadcom Everest network driver.
3 * Copyright (c) 2011-2013 Broadcom Corporation
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Ariel Elior <ariele@broadcom.com>
21 #ifdef CONFIG_BNX2X_SRIOV
23 /* Common definitions for all HVs */
24 struct vf_pf_resc_request {
30 u8 num_mc_filters; /* No limit so superfluous */
34 u8 hw_sb_id; /* aka absolute igu id, used to ack the sb */
35 u8 sb_qid; /* used to update DHC for sb */
38 /* HW VF-PF channel definitions
41 #define TLV_BUFFER_SIZE 1024
42 #define PF_VF_BULLETIN_SIZE 512
44 #define VFPF_QUEUE_FLG_TPA 0x0001
45 #define VFPF_QUEUE_FLG_TPA_IPV6 0x0002
46 #define VFPF_QUEUE_FLG_TPA_GRO 0x0004
47 #define VFPF_QUEUE_FLG_CACHE_ALIGN 0x0008
48 #define VFPF_QUEUE_FLG_STATS 0x0010
49 #define VFPF_QUEUE_FLG_OV 0x0020
50 #define VFPF_QUEUE_FLG_VLAN 0x0040
51 #define VFPF_QUEUE_FLG_COS 0x0080
52 #define VFPF_QUEUE_FLG_HC 0x0100
53 #define VFPF_QUEUE_FLG_DHC 0x0200
54 #define VFPF_QUEUE_FLG_LEADING_RSS 0x0400
56 #define VFPF_QUEUE_DROP_IP_CS_ERR (1 << 0)
57 #define VFPF_QUEUE_DROP_TCP_CS_ERR (1 << 1)
58 #define VFPF_QUEUE_DROP_TTL0 (1 << 2)
59 #define VFPF_QUEUE_DROP_UDP_CS_ERR (1 << 3)
61 #define VFPF_RX_MASK_ACCEPT_NONE 0x00000000
62 #define VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST 0x00000001
63 #define VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST 0x00000002
64 #define VFPF_RX_MASK_ACCEPT_ALL_UNICAST 0x00000004
65 #define VFPF_RX_MASK_ACCEPT_ALL_MULTICAST 0x00000008
66 #define VFPF_RX_MASK_ACCEPT_BROADCAST 0x00000010
67 #define BULLETIN_CONTENT_SIZE (sizeof(struct pf_vf_bulletin_content))
68 #define BULLETIN_ATTEMPTS 5 /* crc failures before throwing towel */
69 #define BULLETIN_CRC_SEED 0
72 PFVF_STATUS_WAITING = 0,
75 PFVF_STATUS_NOT_SUPPORTED,
76 PFVF_STATUS_NO_RESOURCE
79 /* vf pf channel tlvs */
80 /* general tlv header (used for both vf->pf request and pf->vf response) */
86 /* header of first vf->pf tlv carries the offset used to calculate response
89 struct vfpf_first_tlv {
90 struct channel_tlv tl;
94 /* header of pf->vf tlvs, carries the status of handling the request */
96 struct channel_tlv tl;
101 /* response tlv used for most tlvs */
102 struct pfvf_general_resp_tlv {
106 /* used to terminate and pad a tlv list */
107 struct channel_list_end_tlv {
108 struct channel_tlv tl;
113 struct vfpf_acquire_tlv {
114 struct vfpf_first_tlv first_tlv;
116 struct vf_pf_vfdev_info {
117 /* the following fields are for debug purposes */
118 u8 vf_id; /* ME register value */
119 u8 vf_os; /* e.g. Linux, W2K8 */
123 struct vf_pf_resc_request resc_request;
125 aligned_u64 bulletin_addr;
128 /* simple operation request on queue */
129 struct vfpf_q_op_tlv {
130 struct vfpf_first_tlv first_tlv;
135 /* receive side scaling tlv */
136 struct vfpf_rss_tlv {
137 struct vfpf_first_tlv first_tlv;
139 #define VFPF_RSS_MODE_DISABLED (1 << 0)
140 #define VFPF_RSS_MODE_REGULAR (1 << 1)
141 #define VFPF_RSS_SET_SRCH (1 << 2)
142 #define VFPF_RSS_IPV4 (1 << 3)
143 #define VFPF_RSS_IPV4_TCP (1 << 4)
144 #define VFPF_RSS_IPV4_UDP (1 << 5)
145 #define VFPF_RSS_IPV6 (1 << 6)
146 #define VFPF_RSS_IPV6_TCP (1 << 7)
147 #define VFPF_RSS_IPV6_UDP (1 << 8)
152 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
153 u32 rss_key[T_ETH_RSS_KEY]; /* hash values */
156 /* acquire response tlv - carries the allocated resources */
157 struct pfvf_acquire_resp_tlv {
159 struct pf_vf_pfdev_info {
162 #define PFVF_CAP_RSS 0x00000001
163 #define PFVF_CAP_DHC 0x00000002
164 #define PFVF_CAP_TPA 0x00000004
171 /* in case of status NO_RESOURCE in message hdr, pf will fill
172 * this struct with suggested amount of resources for next
175 #define PFVF_MAX_QUEUES_PER_VF 16
176 #define PFVF_MAX_SBS_PER_VF 16
177 struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
178 u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
185 u8 permanent_mac_addr[ETH_ALEN];
186 u8 current_mac_addr[ETH_ALEN];
191 #define VFPF_INIT_FLG_STATS_COALESCE (1 << 0) /* when set the VFs queues
192 * stats will be coalesced on
193 * the leading RSS queue
197 struct vfpf_init_tlv {
198 struct vfpf_first_tlv first_tlv;
199 aligned_u64 sb_addr[PFVF_MAX_SBS_PER_VF]; /* vf_sb based */
200 aligned_u64 spq_addr;
201 aligned_u64 stats_addr;
208 struct vfpf_setup_q_tlv {
209 struct vfpf_first_tlv first_tlv;
211 struct vf_pf_rxq_params {
212 /* physical addresses */
213 aligned_u64 rcq_addr;
214 aligned_u64 rcq_np_addr;
215 aligned_u64 rxq_addr;
216 aligned_u64 sge_addr;
219 u8 vf_sb; /* index in hw_sbs[] */
220 u8 sb_index; /* Index in the SB */
221 u16 hc_rate; /* desired interrupts per sec. */
222 /* valid iff VFPF_QUEUE_FLG_HC */
226 u16 flags; /* VFPF_QUEUE_FLG_X flags */
227 u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
229 /* valid iff VFPF_QUEUE_FLG_TPA */
234 u8 drop_flags; /* VFPF_QUEUE_DROP_X, for Linux VMs
235 * all the flags are turned off
238 u8 cache_line_log; /* VFPF_QUEUE_FLG_CACHE_ALIGN */
242 struct vf_pf_txq_params {
243 /* physical addresses */
244 aligned_u64 txq_addr;
247 u8 vf_sb; /* index in hw_sbs[] */
248 u8 sb_index; /* Index in the SB */
249 u16 hc_rate; /* desired interrupts per sec. */
250 /* valid iff VFPF_QUEUE_FLG_HC */
251 u32 flags; /* VFPF_QUEUE_FLG_X flags */
252 u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
253 u8 traffic_type; /* see in setup_context() */
257 u8 vf_qid; /* index in hw_qid[] */
259 #define VFPF_RXQ_VALID 0x01
260 #define VFPF_TXQ_VALID 0x02
264 /* Set Queue Filters */
265 struct vfpf_q_mac_vlan_filter {
267 #define VFPF_Q_FILTER_DEST_MAC_VALID 0x01
268 #define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02
269 #define VFPF_Q_FILTER_SET_MAC 0x100 /* set/clear */
274 /* configure queue filters */
275 struct vfpf_set_q_filters_tlv {
276 struct vfpf_first_tlv first_tlv;
279 #define VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED 0x01
280 #define VFPF_SET_Q_FILTERS_MULTICAST_CHANGED 0x02
281 #define VFPF_SET_Q_FILTERS_RX_MASK_CHANGED 0x04
283 u8 vf_qid; /* index in hw_qid[] */
284 u8 n_mac_vlan_filters;
288 #define PFVF_MAX_MAC_FILTERS 16
289 #define PFVF_MAX_VLAN_FILTERS 16
290 #define PFVF_MAX_FILTERS (PFVF_MAX_MAC_FILTERS +\
291 PFVF_MAX_VLAN_FILTERS)
292 struct vfpf_q_mac_vlan_filter filters[PFVF_MAX_FILTERS];
294 #define PFVF_MAX_MULTICAST_PER_VF 32
295 u8 multicast[PFVF_MAX_MULTICAST_PER_VF][ETH_ALEN];
297 u32 rx_mask; /* see mask constants at the top of the file */
300 /* close VF (disable VF) */
301 struct vfpf_close_tlv {
302 struct vfpf_first_tlv first_tlv;
303 u16 vf_id; /* for debug */
307 /* release the VF's acquired resources */
308 struct vfpf_release_tlv {
309 struct vfpf_first_tlv first_tlv;
314 struct tlv_buffer_size {
315 u8 tlv_buffer[TLV_BUFFER_SIZE];
319 struct vfpf_first_tlv first_tlv;
320 struct vfpf_acquire_tlv acquire;
321 struct vfpf_init_tlv init;
322 struct vfpf_close_tlv close;
323 struct vfpf_q_op_tlv q_op;
324 struct vfpf_setup_q_tlv setup_q;
325 struct vfpf_set_q_filters_tlv set_q_filters;
326 struct vfpf_release_tlv release;
327 struct vfpf_rss_tlv update_rss;
328 struct channel_list_end_tlv list_end;
329 struct tlv_buffer_size tlv_buf_size;
333 struct pfvf_general_resp_tlv general_resp;
334 struct pfvf_acquire_resp_tlv acquire_resp;
335 struct channel_list_end_tlv list_end;
336 struct tlv_buffer_size tlv_buf_size;
339 /* This is a structure which is allocated in the VF, which the PF may update
340 * when it deems it necessary to do so. The bulletin board is sampled
341 * periodically by the VF. A copy per VF is maintained in the PF (to prevent
342 * loss of data upon multiple updates (or the need for read modify write)).
344 struct pf_vf_bulletin_size {
345 u8 size[PF_VF_BULLETIN_SIZE];
348 struct pf_vf_bulletin_content {
349 u32 crc; /* crc of structure to ensure is not in
355 aligned_u64 valid_bitmap; /* bitmap indicating which fields
359 #define MAC_ADDR_VALID 0 /* alert the vf that a new mac address
360 * is available for it
362 #define VLAN_VALID 1 /* when set, the vf should not access
365 #define CHANNEL_DOWN 2 /* vfpf channel is disabled. VFs are not
366 * to attempt to send messages on the
367 * channel after this bit is set
376 union pf_vf_bulletin {
377 struct pf_vf_bulletin_content content;
378 struct pf_vf_bulletin_size size;
381 #define MAX_TLVS_IN_LIST 50
388 CHANNEL_TLV_SET_Q_FILTERS,
389 CHANNEL_TLV_ACTIVATE_Q,
390 CHANNEL_TLV_DEACTIVATE_Q,
391 CHANNEL_TLV_TEARDOWN_Q,
394 CHANNEL_TLV_UPDATE_RSS_DEPRECATED,
395 CHANNEL_TLV_PF_RELEASE_VF,
396 CHANNEL_TLV_LIST_END,
398 CHANNEL_TLV_PF_SET_MAC,
399 CHANNEL_TLV_PF_SET_VLAN,
400 CHANNEL_TLV_UPDATE_RSS,
404 #endif /* CONFIG_BNX2X_SRIOV */
405 #endif /* VF_PF_IF_H */