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
165 #define PFVF_CAP_TPA_UPDATE 0x00000008
172 /* in case of status NO_RESOURCE in message hdr, pf will fill
173 * this struct with suggested amount of resources for next
176 #define PFVF_MAX_QUEUES_PER_VF 16
177 #define PFVF_MAX_SBS_PER_VF 16
178 struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
179 u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
186 u8 permanent_mac_addr[ETH_ALEN];
187 u8 current_mac_addr[ETH_ALEN];
192 struct vfpf_port_phys_id_resp_tlv {
193 struct channel_tlv tl;
198 #define VFPF_INIT_FLG_STATS_COALESCE (1 << 0) /* when set the VFs queues
199 * stats will be coalesced on
200 * the leading RSS queue
204 struct vfpf_init_tlv {
205 struct vfpf_first_tlv first_tlv;
206 aligned_u64 sb_addr[PFVF_MAX_SBS_PER_VF]; /* vf_sb based */
207 aligned_u64 spq_addr;
208 aligned_u64 stats_addr;
215 struct vfpf_setup_q_tlv {
216 struct vfpf_first_tlv first_tlv;
218 struct vf_pf_rxq_params {
219 /* physical addresses */
220 aligned_u64 rcq_addr;
221 aligned_u64 rcq_np_addr;
222 aligned_u64 rxq_addr;
223 aligned_u64 sge_addr;
226 u8 vf_sb; /* index in hw_sbs[] */
227 u8 sb_index; /* Index in the SB */
228 u16 hc_rate; /* desired interrupts per sec. */
229 /* valid iff VFPF_QUEUE_FLG_HC */
233 u16 flags; /* VFPF_QUEUE_FLG_X flags */
234 u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
236 /* valid iff VFPF_QUEUE_FLG_TPA */
241 u8 drop_flags; /* VFPF_QUEUE_DROP_X, for Linux VMs
242 * all the flags are turned off
245 u8 cache_line_log; /* VFPF_QUEUE_FLG_CACHE_ALIGN */
249 struct vf_pf_txq_params {
250 /* physical addresses */
251 aligned_u64 txq_addr;
254 u8 vf_sb; /* index in hw_sbs[] */
255 u8 sb_index; /* Index in the SB */
256 u16 hc_rate; /* desired interrupts per sec. */
257 /* valid iff VFPF_QUEUE_FLG_HC */
258 u32 flags; /* VFPF_QUEUE_FLG_X flags */
259 u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
260 u8 traffic_type; /* see in setup_context() */
264 u8 vf_qid; /* index in hw_qid[] */
266 #define VFPF_RXQ_VALID 0x01
267 #define VFPF_TXQ_VALID 0x02
271 /* Set Queue Filters */
272 struct vfpf_q_mac_vlan_filter {
274 #define VFPF_Q_FILTER_DEST_MAC_VALID 0x01
275 #define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02
276 #define VFPF_Q_FILTER_SET_MAC 0x100 /* set/clear */
281 /* configure queue filters */
282 struct vfpf_set_q_filters_tlv {
283 struct vfpf_first_tlv first_tlv;
286 #define VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED 0x01
287 #define VFPF_SET_Q_FILTERS_MULTICAST_CHANGED 0x02
288 #define VFPF_SET_Q_FILTERS_RX_MASK_CHANGED 0x04
290 u8 vf_qid; /* index in hw_qid[] */
291 u8 n_mac_vlan_filters;
295 #define PFVF_MAX_MAC_FILTERS 16
296 #define PFVF_MAX_VLAN_FILTERS 16
297 #define PFVF_MAX_FILTERS (PFVF_MAX_MAC_FILTERS +\
298 PFVF_MAX_VLAN_FILTERS)
299 struct vfpf_q_mac_vlan_filter filters[PFVF_MAX_FILTERS];
301 #define PFVF_MAX_MULTICAST_PER_VF 32
302 u8 multicast[PFVF_MAX_MULTICAST_PER_VF][ETH_ALEN];
304 u32 rx_mask; /* see mask constants at the top of the file */
307 struct vfpf_tpa_tlv {
308 struct vfpf_first_tlv first_tlv;
310 struct vf_pf_tpa_client_info {
311 aligned_u64 sge_addr[PFVF_MAX_QUEUES_PER_VF];
315 u8 max_sges_for_packet;
316 u8 complete_on_both_clients;
321 u16 sge_pause_thr_low;
322 u16 sge_pause_thr_high;
326 /* close VF (disable VF) */
327 struct vfpf_close_tlv {
328 struct vfpf_first_tlv first_tlv;
329 u16 vf_id; /* for debug */
333 /* release the VF's acquired resources */
334 struct vfpf_release_tlv {
335 struct vfpf_first_tlv first_tlv;
340 struct tlv_buffer_size {
341 u8 tlv_buffer[TLV_BUFFER_SIZE];
345 struct vfpf_first_tlv first_tlv;
346 struct vfpf_acquire_tlv acquire;
347 struct vfpf_init_tlv init;
348 struct vfpf_close_tlv close;
349 struct vfpf_q_op_tlv q_op;
350 struct vfpf_setup_q_tlv setup_q;
351 struct vfpf_set_q_filters_tlv set_q_filters;
352 struct vfpf_release_tlv release;
353 struct vfpf_rss_tlv update_rss;
354 struct vfpf_tpa_tlv update_tpa;
355 struct channel_list_end_tlv list_end;
356 struct tlv_buffer_size tlv_buf_size;
360 struct pfvf_general_resp_tlv general_resp;
361 struct pfvf_acquire_resp_tlv acquire_resp;
362 struct channel_list_end_tlv list_end;
363 struct tlv_buffer_size tlv_buf_size;
366 /* This is a structure which is allocated in the VF, which the PF may update
367 * when it deems it necessary to do so. The bulletin board is sampled
368 * periodically by the VF. A copy per VF is maintained in the PF (to prevent
369 * loss of data upon multiple updates (or the need for read modify write)).
371 struct pf_vf_bulletin_size {
372 u8 size[PF_VF_BULLETIN_SIZE];
375 struct pf_vf_bulletin_content {
376 u32 crc; /* crc of structure to ensure is not in
382 aligned_u64 valid_bitmap; /* bitmap indicating which fields
386 #define MAC_ADDR_VALID 0 /* alert the vf that a new mac address
387 * is available for it
389 #define VLAN_VALID 1 /* when set, the vf should not access
392 #define CHANNEL_DOWN 2 /* vfpf channel is disabled. VFs are not
393 * to attempt to send messages on the
394 * channel after this bit is set
403 union pf_vf_bulletin {
404 struct pf_vf_bulletin_content content;
405 struct pf_vf_bulletin_size size;
408 #define MAX_TLVS_IN_LIST 50
415 CHANNEL_TLV_SET_Q_FILTERS,
416 CHANNEL_TLV_ACTIVATE_Q,
417 CHANNEL_TLV_DEACTIVATE_Q,
418 CHANNEL_TLV_TEARDOWN_Q,
421 CHANNEL_TLV_UPDATE_RSS_DEPRECATED,
422 CHANNEL_TLV_PF_RELEASE_VF,
423 CHANNEL_TLV_LIST_END,
425 CHANNEL_TLV_PF_SET_MAC,
426 CHANNEL_TLV_PF_SET_VLAN,
427 CHANNEL_TLV_UPDATE_RSS,
428 CHANNEL_TLV_PHYS_PORT_ID,
429 CHANNEL_TLV_UPDATE_TPA,
433 #endif /* CONFIG_BNX2X_SRIOV */
434 #endif /* VF_PF_IF_H */