-/*
- * Copyright 2008-2016 Cisco Systems, Inc. All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
*/
#ifndef _VNIC_DEVCMD_H_
#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
enum vnic_devcmd_cmd {
CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
/* del VLAN id in (u16)a0 */
CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
- /* nic_cfg in (u32)a0 */
+ /*
+ * nic_cfg in (u32)a0
+ *
+ * Capability query:
+ * out: (u64) a0= 1 if a1 is valid
+ * (u64) a1= (NIC_CFG bits supported) | (flags << 32)
+ * (flags are CMD_NIC_CFG_CAPF_xxx)
+ */
CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
+ /*
+ * nic_cfg_chk (same as nic_cfg, but may return error)
+ * in (u32)a0
+ *
+ * Capability query:
+ * out: (u64) a0= 1 if a1 is valid
+ * (u64) a1= (NIC_CFG bits supported) | (flags << 32)
+ * (flags are CMD_NIC_CFG_CAPF_xxx)
+ */
+ CMD_NIC_CFG_CHK = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
+
/* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
* out: (u32) a0=filter identifier
*
* Capability query:
- * out: (u64) a0= 1 if capabliity query supported
- * (u64) a1= MAX filter type supported
+ * in: (u64) a1= supported filter capability exchange modes
+ * out: (u64) a0= 1 if capability query supported
+ * if (u64) a1 = 0: a1 = MAX filter type supported
+ * if (u64) a1 & FILTER_CAP_MODE_V1_FLAG:
+ * a1 = bitmask of supported filters
+ * a2 = FILTER_CAP_MODE_V1
+ * a3 = bitmask of supported actions
*/
CMD_ADD_ADV_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 77),
+
+ /*
+ * Allocate a counter for use with CMD_ADD_FILTER
+ * out:(u32) a0 = counter index
+ */
+ CMD_COUNTER_ALLOC = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ENET, 85),
+
+ /*
+ * Free a counter
+ * in: (u32) a0 = counter_id
+ */
+ CMD_COUNTER_FREE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 86),
+
+ /*
+ * Read a counter
+ * in: (u32) a0 = counter_id
+ * (u32) a1 = clear counter if non-zero
+ * out:(u64) a0 = packet count
+ * (u64) a1 = byte count
+ */
+ CMD_COUNTER_QUERY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 87),
+
+ /*
+ * Configure periodic counter DMA. This will trigger an immediate
+ * DMA of the counters (unless period == 0), and then schedule a DMA
+ * of the counters every <period> seconds until disdabled.
+ * Each new COUNTER_DMA_CONFIG will override all previous commands on
+ * this vnic.
+ * Setting a2 (period) = 0 will disable periodic DMAs
+ * If a0 (num_counters) != 0, an immediate DMA will always be done,
+ * irrespective of the value in a2.
+ * in: (u32) a0 = number of counters to DMA
+ * (u64) a1 = host target DMA address
+ * (u32) a2 = DMA period in milliseconds (0 to disable)
+ */
+ CMD_COUNTER_DMA_CONFIG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 88),
+#define VNIC_COUNTER_DMA_MIN_PERIOD 500
+
+ /*
+ * Clear all counters on a vnic
+ */
+ CMD_COUNTER_CLEAR_ALL = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ENET, 89),
+};
+
+/* Modes for exchanging advanced filter capabilities. The modes supported by
+ * the driver are passed in the CMD_ADD_ADV_FILTER capability command and the
+ * mode selected is returned.
+ * V0: the maximum filter type supported is returned
+ * V1: bitmasks of supported filters and actions are returned
+ */
+enum filter_cap_mode {
+ FILTER_CAP_MODE_V0 = 0, /* Must always be 0 for legacy drivers */
+ FILTER_CAP_MODE_V1 = 1,
};
+#define FILTER_CAP_MODE_V1_FLAG (1 << FILTER_CAP_MODE_V1)
/* CMD_ENABLE2 flags */
#define CMD_ENABLE2_STANDBY 0x0
/* flags for CMD_OPEN */
#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
+#define CMD_OPENF_IG_DESCCACHE 0x2 /* Do not flush IG DESC cache */
/* flags for CMD_INIT */
#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
+/* flags for CMD_NIC_CFG */
+#define CMD_NIC_CFG_CAPF_UDP_WEAK (1ULL << 0) /* Bodega-style UDP RSS */
+
/* flags for CMD_PACKET_FILTER */
#define CMD_PFILTER_DIRECTED 0x01
#define CMD_PFILTER_MULTICAST 0x02
/* Specifies the filter_action type. */
enum {
FILTER_ACTION_RQ_STEERING = 0,
+ FILTER_ACTION_V2 = 1,
FILTER_ACTION_MAX
};
} u;
} __attribute__((packed));
+#define FILTER_ACTION_RQ_STEERING_FLAG (1 << 0)
+#define FILTER_ACTION_FILTER_ID_FLAG (1 << 1)
+#define FILTER_ACTION_DROP_FLAG (1 << 2)
+#define FILTER_ACTION_COUNTER_FLAG (1 << 3)
+#define FILTER_ACTION_V2_ALL (FILTER_ACTION_RQ_STEERING_FLAG \
+ | FILTER_ACTION_FILTER_ID_FLAG \
+ | FILTER_ACTION_DROP_FLAG \
+ | FILTER_ACTION_COUNTER_FLAG)
+
+/* Version 2 of filter action must be a strict extension of struct filter_action
+ * where the first fields exactly match in size and meaning.
+ */
+struct filter_action_v2 {
+ u32 type;
+ u32 rq_idx;
+ u32 flags; /* use FILTER_ACTION_XXX_FLAG defines */
+ u16 filter_id;
+ u32 counter_index;
+ uint8_t reserved[28]; /* for future expansion */
+} __attribute__((packed));
+
/* Specifies the filter type. */
enum filter_type {
FILTER_USNIC_ID = 0,
FILTER_MAX
};
+#define FILTER_USNIC_ID_FLAG (1 << FILTER_USNIC_ID)
+#define FILTER_IPV4_5TUPLE_FLAG (1 << FILTER_IPV4_5TUPLE)
+#define FILTER_MAC_VLAN_FLAG (1 << FILTER_MAC_VLAN)
+#define FILTER_VLAN_IP_3TUPLE_FLAG (1 << FILTER_VLAN_IP_3TUPLE)
+#define FILTER_NVGRE_VMQ_FLAG (1 << FILTER_NVGRE_VMQ)
+#define FILTER_USNIC_IP_FLAG (1 << FILTER_USNIC_IP)
+#define FILTER_DPDK_1_FLAG (1 << FILTER_DPDK_1)
+#define FILTER_V1_ALL (FILTER_USNIC_ID_FLAG | \
+ FILTER_IPV4_5TUPLE_FLAG | \
+ FILTER_MAC_VLAN_FLAG | \
+ FILTER_VLAN_IP_3TUPLE_FLAG | \
+ FILTER_NVGRE_VMQ_FLAG | \
+ FILTER_USNIC_IP_FLAG | \
+ FILTER_DPDK_1_FLAG)
+
struct filter {
u32 type;
union {
};
struct filter_tlv {
- u_int32_t type;
- u_int32_t length;
- u_int32_t val[0];
+ uint32_t type;
+ uint32_t length;
+ uint32_t val[0];
};
/* Data for CMD_ADD_FILTER is 2 TLV and filter + action structs */
#define FILTER_MAX_BUF_SIZE 100
#define FILTER_V2_MAX_BUF_SIZE (sizeof(struct filter_v2) + \
- sizeof(struct filter_action) + \
+ sizeof(struct filter_action_v2) + \
(2 * sizeof(struct filter_tlv)))
/*
* drivers should use this instead of "sizeof (struct filter_v2)" when
* computing length for TLV.
*/
-static inline u_int32_t
+static inline uint32_t
vnic_filter_size(struct filter_v2 *fp)
{
- u_int32_t size;
+ uint32_t size;
switch (fp->type) {
case FILTER_USNIC_ID:
CLSF_DEL = 1,
};
+/*
+ * Get the action structure size given action type. To be "future-proof,"
+ * drivers should use this instead of "sizeof (struct filter_action_v2)"
+ * when computing length for TLV.
+ */
+static inline uint32_t
+vnic_action_size(struct filter_action_v2 *fap)
+{
+ uint32_t size;
+
+ switch (fap->type) {
+ case FILTER_ACTION_RQ_STEERING:
+ size = sizeof(struct filter_action);
+ break;
+ case FILTER_ACTION_V2:
+ size = sizeof(struct filter_action_v2);
+ break;
+ default:
+ size = sizeof(struct filter_action);
+ break;
+ }
+ return size;
+}
+
/*
* Writing cmd register causes STAT_BUSY to get set in status register.
* When cmd completes, STAT_BUSY will be cleared.
VIC_FEATURE_MAX,
} vic_feature_t;
+/*
+ * These flags are used in args[1] of devcmd CMD_GET_SUPP_FEATURE_VER
+ * to indicate the host driver about the VxLAN and Multi WQ features
+ * supported
+ */
+#define FEATURE_VXLAN_IPV6_INNER (1 << 0)
+#define FEATURE_VXLAN_IPV6_OUTER (1 << 1)
+#define FEATURE_VXLAN_MULTI_WQ (1 << 2)
+
+#define FEATURE_VXLAN_IPV6 (FEATURE_VXLAN_IPV6_INNER | \
+ FEATURE_VXLAN_IPV6_OUTER)
+
/*
* CMD_CONFIG_GRPINTR subcommands
*/
GRPINTR_UPD_VECT,
} grpintr_subcmd_t;
+/*
+ * Structure for counter DMA
+ * (DMAed by CMD_COUNTER_DMA_CONFIG)
+ */
+struct vnic_counter_counts {
+ u64 vcc_packets;
+ u64 vcc_bytes;
+};
+
#endif /* _VNIC_DEVCMD_H_ */