/* Error Codes */
enum virtchnl_status_code {
VIRTCHNL_STATUS_SUCCESS = 0,
- VIRTCHNL_ERR_PARAM = -5,
+ VIRTCHNL_STATUS_ERR_PARAM = -5,
+ VIRTCHNL_STATUS_ERR_NO_MEMORY = -18,
VIRTCHNL_STATUS_ERR_OPCODE_MISMATCH = -38,
VIRTCHNL_STATUS_ERR_CQP_COMPL_ERROR = -39,
VIRTCHNL_STATUS_ERR_INVALID_VF_ID = -40,
- VIRTCHNL_STATUS_NOT_SUPPORTED = -64,
+ VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR = -53,
+ VIRTCHNL_STATUS_ERR_NOT_SUPPORTED = -64,
};
+/* Backward compatibility */
+#define VIRTCHNL_ERR_PARAM VIRTCHNL_STATUS_ERR_PARAM
+#define VIRTCHNL_STATUS_NOT_SUPPORTED VIRTCHNL_STATUS_ERR_NOT_SUPPORTED
+
+#define VIRTCHNL_LINK_SPEED_2_5GB_SHIFT 0x0
#define VIRTCHNL_LINK_SPEED_100MB_SHIFT 0x1
#define VIRTCHNL_LINK_SPEED_1000MB_SHIFT 0x2
#define VIRTCHNL_LINK_SPEED_10GB_SHIFT 0x3
#define VIRTCHNL_LINK_SPEED_40GB_SHIFT 0x4
#define VIRTCHNL_LINK_SPEED_20GB_SHIFT 0x5
#define VIRTCHNL_LINK_SPEED_25GB_SHIFT 0x6
+#define VIRTCHNL_LINK_SPEED_5GB_SHIFT 0x7
enum virtchnl_link_speed {
VIRTCHNL_LINK_SPEED_UNKNOWN = 0,
VIRTCHNL_LINK_SPEED_40GB = BIT(VIRTCHNL_LINK_SPEED_40GB_SHIFT),
VIRTCHNL_LINK_SPEED_20GB = BIT(VIRTCHNL_LINK_SPEED_20GB_SHIFT),
VIRTCHNL_LINK_SPEED_25GB = BIT(VIRTCHNL_LINK_SPEED_25GB_SHIFT),
+ VIRTCHNL_LINK_SPEED_2_5GB = BIT(VIRTCHNL_LINK_SPEED_2_5GB_SHIFT),
+ VIRTCHNL_LINK_SPEED_5GB = BIT(VIRTCHNL_LINK_SPEED_5GB_SHIFT),
};
/* for hsplit_0 field of Rx HMC context */
VIRTCHNL_OP_GET_STATS = 15,
VIRTCHNL_OP_RSVD = 16,
VIRTCHNL_OP_EVENT = 17, /* must ALWAYS be 17 */
-#ifdef VIRTCHNL_SOL_VF_SUPPORT
- VIRTCHNL_OP_GET_ADDNL_SOL_CONFIG = 19,
-#endif
-#ifdef VIRTCHNL_IWARP
- VIRTCHNL_OP_IWARP = 20, /* advanced opcode */
- VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP = 21, /* advanced opcode */
- VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP = 22, /* advanced opcode */
-#endif
+ /* opcode 19 is reserved */
+ /* opcodes 20, 21, and 22 are reserved */
VIRTCHNL_OP_CONFIG_RSS_KEY = 23,
VIRTCHNL_OP_CONFIG_RSS_LUT = 24,
VIRTCHNL_OP_GET_RSS_HENA_CAPS = 25,
VIRTCHNL_OP_ENABLE_VLAN_STRIPPING = 27,
VIRTCHNL_OP_DISABLE_VLAN_STRIPPING = 28,
VIRTCHNL_OP_REQUEST_QUEUES = 29,
-
+ VIRTCHNL_OP_ENABLE_CHANNELS = 30,
+ VIRTCHNL_OP_DISABLE_CHANNELS = 31,
+ VIRTCHNL_OP_ADD_CLOUD_FILTER = 32,
+ VIRTCHNL_OP_DEL_CLOUD_FILTER = 33,
+ /* opcodes 34, 35, 36, 37 and 38 are reserved */
};
-/* This macro is used to generate a compilation error if a structure
+/* These macros are used to generate compilation errors if a structure/union
* is not exactly the correct length. It gives a divide by zero error if the
- * structure is not of the correct size, otherwise it creates an enum that is
- * never used.
+ * structure/union is not of the correct size, otherwise it creates an enum
+ * that is never used.
*/
#define VIRTCHNL_CHECK_STRUCT_LEN(n, X) enum virtchnl_static_assert_enum_##X \
- {virtchnl_static_assert_##X = (n) / ((sizeof(struct X) == (n)) ? 1 : 0)}
+ { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) }
+#define VIRTCHNL_CHECK_UNION_LEN(n, X) enum virtchnl_static_asset_enum_##X \
+ { virtchnl_static_assert_##X = (n)/((sizeof(union X) == (n)) ? 1 : 0) }
/* Virtual channel message descriptor. This overlays the admin queue
* descriptor. All other data is passed in external buffers.
VIRTCHNL_CHECK_STRUCT_LEN(20, virtchnl_msg);
-/* Message descriptions and data structures.*/
+/* Message descriptions and data structures. */
/* VIRTCHNL_OP_VERSION
* VF posts its version number to the PF. PF responds with its version number
#define VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010
#define VIRTCHNL_VF_OFFLOAD_WB_ON_ITR 0x00000020
#define VIRTCHNL_VF_OFFLOAD_REQ_QUEUES 0x00000040
+#define VIRTCHNL_VF_OFFLOAD_CRC 0x00000080
#define VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000
#define VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000
#define VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 0x00040000
#define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000
#define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000
#define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000
-/* Define below the capability flags that are not offloads */
-#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED 0x00000080
+#define VIRTCHNL_VF_OFFLOAD_ADQ 0X00800000
+#define VIRTCHNL_VF_OFFLOAD_ADQ_V2 0X01000000
+#define VIRTCHNL_VF_OFFLOAD_USO 0X02000000
+ /* 0X80000000 is reserved */
+/* Define below the capability flags that are not offloads */
+#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED 0x00000080
#define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \
VIRTCHNL_VF_OFFLOAD_VLAN | \
VIRTCHNL_VF_OFFLOAD_RSS_PF)
u16 vsi_id;
u16 queue_id;
u16 ring_len; /* number of descriptors, multiple of 8 */
- u16 headwb_enabled; /* deprecated with IAVF 1.0 */
+ u16 headwb_enabled; /* deprecated with AVF 1.0 */
u64 dma_ring_addr;
- u64 dma_headwb_addr; /* deprecated with IAVF 1.0 */
+ u64 dma_headwb_addr; /* deprecated with AVF 1.0 */
};
VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_txq_info);
/* VIRTCHNL_OP_CONFIG_RX_QUEUE
* VF sends this message to set up parameters for one RX queue.
* External data buffer contains one instance of virtchnl_rxq_info.
- * PF configures requested queue and returns a status code.
+ * PF configures requested queue and returns a status code. The
+ * crc_disable flag disables CRC stripping on the VF. Setting
+ * the crc_disable flag to 1 will disable CRC stripping for each
+ * queue in the VF where the flag is set. The VIRTCHNL_VF_OFFLOAD_CRC
+ * offload must have been set prior to sending this info or the PF
+ * will ignore the request. This flag should be set the same for
+ * all of the queues for a VF.
*/
/* Rx queue config info */
u16 queue_id;
u32 ring_len; /* number of descriptors, multiple of 32 */
u16 hdr_size;
- u16 splithdr_enabled; /* deprecated with IAVF 1.0 */
+ u16 splithdr_enabled; /* deprecated with AVF 1.0 */
u32 databuffer_size;
u32 max_pkt_size;
- u32 pad1;
+ u8 crc_disable;
+ u8 pad1[3];
u64 dma_ring_addr;
- enum virtchnl_rx_hsplit rx_split_pos; /* deprecated with IAVF 1.0 */
+ enum virtchnl_rx_hsplit rx_split_pos; /* deprecated with AVF 1.0 */
u32 pad2;
};
VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_rxq_info);
/* VIRTCHNL_OP_CONFIG_VSI_QUEUES
- * VF sends this message to set parameters for all active TX and RX queues
+ * VF sends this message to set parameters for active TX and RX queues
* associated with the specified VSI.
* PF configures queues and returns status.
* If the number of queues specified is greater than the number of queues
* associated with the VSI, an error is returned and no queues are configured.
+ * NOTE: The VF is not required to configure all queues in a single request.
+ * It may send multiple messages. PF drivers must correctly handle all VF
+ * requests.
*/
struct virtchnl_queue_pair_info {
/* NOTE: vsi_id and queue_id should be identical for both queues. */
* VF uses this message to map vectors to queues.
* The rxq_map and txq_map fields are bitmaps used to indicate which queues
* are to be associated with the specified vector.
- * The "other" causes are always mapped to vector 0.
+ * The "other" causes are always mapped to vector 0. The VF may not request
+ * that vector 0 be used for traffic.
* PF configures interrupt mapping and returns status.
+ * NOTE: due to hardware requirements, all active queues (both TX and RX)
+ * should be mapped to interrupts, even if the driver intends to operate
+ * only in polling mode. In this case the interrupt may be disabled, but
+ * the ITR timer will still run to trigger writebacks.
*/
struct virtchnl_vector_map {
u16 vsi_id;
* (Currently, we only support 16 queues per VF, but we make the field
* u32 to allow for expansion.)
* PF performs requested action and returns status.
+ * NOTE: The VF is not required to enable/disable all queues in a single
+ * request. It may send multiple messages.
+ * PF drivers must correctly handle all VF requests.
*/
struct virtchnl_queue_select {
u16 vsi_id;
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_ether_addr_list);
-#ifdef VIRTCHNL_SOL_VF_SUPPORT
-/* VIRTCHNL_OP_GET_ADDNL_SOL_CONFIG
- * VF sends this message to get the default MTU and list of additional ethernet
- * addresses it is allowed to use.
- * PF responds with an indirect message containing
- * virtchnl_addnl_solaris_config with zero or more
- * virtchnl_ether_addr structures.
- *
- * It is expected that this operation will only ever be needed for Solaris VFs
- * running under a Solaris PF.
- */
-struct virtchnl_addnl_solaris_config {
- u16 default_mtu;
- struct virtchnl_ether_addr_list al;
-};
-
-#endif
/* VIRTCHNL_OP_ADD_VLAN
* VF sends this message to add one or more VLAN tag filters for receives.
* PF adds the filters and returns status.
u64 rx_broadcast; /* received broadcast pkts */
u64 rx_discards;
u64 rx_unknown_protocol;
- u64 tx_bytes; /* transmitted bytes*/
+ u64 tx_bytes; /* transmitted bytes */
u64 tx_unicast; /* transmitted unicast pkts */
u64 tx_multicast; /* transmitted multicast pkts */
u64 tx_broadcast; /* transmitted broadcast pkts */
VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_rss_hena);
+/* This is used by PF driver to enforce how many channels can be supported.
+ * When ADQ_V2 capability is negotiated, it will allow 16 channels otherwise
+ * PF driver will allow only max 4 channels
+ */
+#define VIRTCHNL_MAX_ADQ_CHANNELS 4
+#define VIRTCHNL_MAX_ADQ_V2_CHANNELS 16
+
+/* VIRTCHNL_OP_ENABLE_CHANNELS
+ * VIRTCHNL_OP_DISABLE_CHANNELS
+ * VF sends these messages to enable or disable channels based on
+ * the user specified queue count and queue offset for each traffic class.
+ * This struct encompasses all the information that the PF needs from
+ * VF to create a channel.
+ */
+struct virtchnl_channel_info {
+ u16 count; /* number of queues in a channel */
+ u16 offset; /* queues in a channel start from 'offset' */
+ u32 pad;
+ u64 max_tx_rate;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_channel_info);
+
+struct virtchnl_tc_info {
+ u32 num_tc;
+ u32 pad;
+ struct virtchnl_channel_info list[1];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_tc_info);
+
+/* VIRTCHNL_ADD_CLOUD_FILTER
+ * VIRTCHNL_DEL_CLOUD_FILTER
+ * VF sends these messages to add or delete a cloud filter based on the
+ * user specified match and action filters. These structures encompass
+ * all the information that the PF needs from the VF to add/delete a
+ * cloud filter.
+ */
+
+struct virtchnl_l4_spec {
+ u8 src_mac[ETH_ALEN];
+ u8 dst_mac[ETH_ALEN];
+ /* vlan_prio is part of this 16 bit field even from OS perspective
+ * vlan_id:12 is actual vlan_id, then vlanid:bit14..12 is vlan_prio
+ * in future, when decided to offload vlan_prio, pass that information
+ * as part of the "vlan_id" field, Bit14..12
+ */
+ __be16 vlan_id;
+ __be16 pad; /* reserved for future use */
+ __be32 src_ip[4];
+ __be32 dst_ip[4];
+ __be16 src_port;
+ __be16 dst_port;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(52, virtchnl_l4_spec);
+
+union virtchnl_flow_spec {
+ struct virtchnl_l4_spec tcp_spec;
+ u8 buffer[128]; /* reserved for future use */
+};
+
+VIRTCHNL_CHECK_UNION_LEN(128, virtchnl_flow_spec);
+
+enum virtchnl_action {
+ /* action types */
+ VIRTCHNL_ACTION_DROP = 0,
+ VIRTCHNL_ACTION_TC_REDIRECT,
+};
+
+enum virtchnl_flow_type {
+ /* flow types */
+ VIRTCHNL_TCP_V4_FLOW = 0,
+ VIRTCHNL_TCP_V6_FLOW,
+ VIRTCHNL_UDP_V4_FLOW,
+ VIRTCHNL_UDP_V6_FLOW,
+};
+
+struct virtchnl_filter {
+ union virtchnl_flow_spec data;
+ union virtchnl_flow_spec mask;
+ enum virtchnl_flow_type flow_type;
+ enum virtchnl_action action;
+ u32 action_meta;
+ u8 field_flags;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter);
+
/* VIRTCHNL_OP_EVENT
* PF sends this message to inform the VF driver of events that may affect it.
* No direct response is expected from the VF, though it may generate other
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_pf_event);
-#ifdef VIRTCHNL_IWARP
-
-/* VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
- * VF uses this message to request PF to map IWARP vectors to IWARP queues.
- * The request for this originates from the VF IWARP driver through
- * a client interface between VF LAN and VF IWARP driver.
- * A vector could have an AEQ and CEQ attached to it although
- * there is a single AEQ per VF IWARP instance in which case
- * most vectors will have an INVALID_IDX for aeq and valid idx for ceq.
- * There will never be a case where there will be multiple CEQs attached
- * to a single vector.
- * PF configures interrupt mapping and returns status.
- */
-/* HW does not define a type value for AEQ; only for RX/TX and CEQ.
- * In order for us to keep the interface simple, SW will define a
- * unique type value for AEQ.
+/* Since VF messages are limited by u16 size, precalculate the maximum possible
+ * values of nested elements in virtchnl structures that virtual channel can
+ * possibly handle in a single message.
*/
-#define QUEUE_TYPE_PE_AEQ 0x80
-#define QUEUE_INVALID_IDX 0xFFFF
+enum virtchnl_vector_limits {
+ VIRTCHNL_OP_CONFIG_VSI_QUEUES_MAX =
+ ((u16)(~0) - sizeof(struct virtchnl_vsi_queue_config_info)) /
+ sizeof(struct virtchnl_queue_pair_info),
-struct virtchnl_iwarp_qv_info {
- u32 v_idx; /* msix_vector */
- u16 ceq_idx;
- u16 aeq_idx;
- u8 itr_idx;
-};
+ VIRTCHNL_OP_CONFIG_IRQ_MAP_MAX =
+ ((u16)(~0) - sizeof(struct virtchnl_irq_map_info)) /
+ sizeof(struct virtchnl_vector_map),
-VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_iwarp_qv_info);
+ VIRTCHNL_OP_ADD_DEL_ETH_ADDR_MAX =
+ ((u16)(~0) - sizeof(struct virtchnl_ether_addr_list)) /
+ sizeof(struct virtchnl_ether_addr),
-struct virtchnl_iwarp_qvlist_info {
- u32 num_vectors;
- struct virtchnl_iwarp_qv_info qv_info[1];
-};
+ VIRTCHNL_OP_ADD_DEL_VLAN_MAX =
+ ((u16)(~0) - sizeof(struct virtchnl_vlan_filter_list)) /
+ sizeof(u16),
-VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_iwarp_qvlist_info);
-#endif
+ VIRTCHNL_OP_ENABLE_CHANNELS_MAX =
+ ((u16)(~0) - sizeof(struct virtchnl_tc_info)) /
+ sizeof(struct virtchnl_channel_info),
+};
/* VF reset states - these are written into the RSTAT register:
* VFGEN_RSTAT on the VF
if (msglen >= valid_len) {
struct virtchnl_vsi_queue_config_info *vqc =
(struct virtchnl_vsi_queue_config_info *)msg;
+
+ if (vqc->num_queue_pairs == 0 || vqc->num_queue_pairs >
+ VIRTCHNL_OP_CONFIG_VSI_QUEUES_MAX) {
+ err_msg_format = true;
+ break;
+ }
+
valid_len += (vqc->num_queue_pairs *
sizeof(struct
virtchnl_queue_pair_info));
- if (vqc->num_queue_pairs == 0)
- err_msg_format = true;
}
break;
case VIRTCHNL_OP_CONFIG_IRQ_MAP:
if (msglen >= valid_len) {
struct virtchnl_irq_map_info *vimi =
(struct virtchnl_irq_map_info *)msg;
+
+ if (vimi->num_vectors == 0 || vimi->num_vectors >
+ VIRTCHNL_OP_CONFIG_IRQ_MAP_MAX) {
+ err_msg_format = true;
+ break;
+ }
+
valid_len += (vimi->num_vectors *
sizeof(struct virtchnl_vector_map));
- if (vimi->num_vectors == 0)
- err_msg_format = true;
}
break;
case VIRTCHNL_OP_ENABLE_QUEUES:
if (msglen >= valid_len) {
struct virtchnl_ether_addr_list *veal =
(struct virtchnl_ether_addr_list *)msg;
+
+ if (veal->num_elements == 0 || veal->num_elements >
+ VIRTCHNL_OP_ADD_DEL_ETH_ADDR_MAX) {
+ err_msg_format = true;
+ break;
+ }
+
valid_len += veal->num_elements *
sizeof(struct virtchnl_ether_addr);
- if (veal->num_elements == 0)
- err_msg_format = true;
}
break;
case VIRTCHNL_OP_ADD_VLAN:
if (msglen >= valid_len) {
struct virtchnl_vlan_filter_list *vfl =
(struct virtchnl_vlan_filter_list *)msg;
- valid_len += vfl->num_elements * sizeof(u16);
- if (vfl->num_elements == 0)
+
+ if (vfl->num_elements == 0 || vfl->num_elements >
+ VIRTCHNL_OP_ADD_DEL_VLAN_MAX) {
err_msg_format = true;
+ break;
+ }
+
+ valid_len += vfl->num_elements * sizeof(u16);
}
break;
case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
case VIRTCHNL_OP_GET_STATS:
valid_len = sizeof(struct virtchnl_queue_select);
break;
-#ifdef VIRTCHNL_IWARP
- case VIRTCHNL_OP_IWARP:
- /* These messages are opaque to us and will be validated in
- * the RDMA client code. We just need to check for nonzero
- * length. The firmware will enforce max length restrictions.
- */
- if (msglen)
- valid_len = msglen;
- else
- err_msg_format = true;
- break;
- case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
- break;
- case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
- valid_len = sizeof(struct virtchnl_iwarp_qvlist_info);
- if (msglen >= valid_len) {
- struct virtchnl_iwarp_qvlist_info *qv =
- (struct virtchnl_iwarp_qvlist_info *)msg;
- if (qv->num_vectors == 0) {
- err_msg_format = true;
- break;
- }
- valid_len += ((qv->num_vectors - 1) *
- sizeof(struct virtchnl_iwarp_qv_info));
- }
- break;
-#endif
case VIRTCHNL_OP_CONFIG_RSS_KEY:
valid_len = sizeof(struct virtchnl_rss_key);
if (msglen >= valid_len) {
struct virtchnl_rss_key *vrk =
(struct virtchnl_rss_key *)msg;
+
+ if (vrk->key_len == 0) {
+ /* zero length is allowed as input */
+ break;
+ }
+
valid_len += vrk->key_len - 1;
}
break;
if (msglen >= valid_len) {
struct virtchnl_rss_lut *vrl =
(struct virtchnl_rss_lut *)msg;
+
+ if (vrl->lut_entries == 0) {
+ /* zero entries is allowed as input */
+ break;
+ }
+
valid_len += vrl->lut_entries - 1;
}
break;
case VIRTCHNL_OP_REQUEST_QUEUES:
valid_len = sizeof(struct virtchnl_vf_res_request);
break;
+ case VIRTCHNL_OP_ENABLE_CHANNELS:
+ valid_len = sizeof(struct virtchnl_tc_info);
+ if (msglen >= valid_len) {
+ struct virtchnl_tc_info *vti =
+ (struct virtchnl_tc_info *)msg;
+
+ if (vti->num_tc == 0 || vti->num_tc >
+ VIRTCHNL_OP_ENABLE_CHANNELS_MAX) {
+ err_msg_format = true;
+ break;
+ }
+
+ valid_len += (vti->num_tc - 1) *
+ sizeof(struct virtchnl_channel_info);
+ }
+ break;
+ case VIRTCHNL_OP_DISABLE_CHANNELS:
+ break;
+ case VIRTCHNL_OP_ADD_CLOUD_FILTER:
+ case VIRTCHNL_OP_DEL_CLOUD_FILTER:
+ valid_len = sizeof(struct virtchnl_filter);
+ break;
/* These are always errors coming from the VF. */
case VIRTCHNL_OP_EVENT:
case VIRTCHNL_OP_UNKNOWN:
default:
- return VIRTCHNL_ERR_PARAM;
+ return VIRTCHNL_STATUS_ERR_PARAM;
}
/* few more checks */
if (err_msg_format || valid_len != msglen)
git.droids-corp.org / dpdk.git / commitdiff