net/bnxt: support NIC Partitioning

Adding code to enable support for NIC Partitioning or NPAR 1.0
As a part of NPAR, we don't allow port settings like speed or flow
control to be changed.

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Stephen Hurd <stephen.hurd@broadcom.com>
Reviewed-by: David Christensen <david.christensen@broadcom.com>
This commit is contained in:
Ajit Khaparde 2016-09-26 11:18:16 -05:00 committed by Bruce Richardson
parent 1fe1aaf207
commit 5cd0e2889c
5 changed files with 259 additions and 8 deletions

View File

@ -63,6 +63,7 @@ struct bnxt_vf_info {
uint16_t max_rx_rings;
uint16_t max_l2_ctx;
uint16_t max_vnics;
uint16_t vlan;
struct bnxt_pf_info *pf;
};
@ -130,6 +131,8 @@ struct bnxt {
#define BNXT_FLAG_VF (1 << 1)
#define BNXT_PF(bp) (!((bp)->flags & BNXT_FLAG_VF))
#define BNXT_VF(bp) ((bp)->flags & BNXT_FLAG_VF)
#define BNXT_NPAR_ENABLED(bp) ((bp)->port_partition_type)
#define BNXT_NPAR_PF(bp) (BNXT_PF(bp) && BNXT_NPAR_ENABLED(bp))
unsigned int rx_nr_rings;
unsigned int rx_cp_nr_rings;
@ -171,6 +174,7 @@ struct bnxt {
struct bnxt_pf_info pf;
struct bnxt_vf_info vf;
uint8_t port_partition_type;
};
#endif

View File

@ -815,6 +815,9 @@ static int bnxt_flow_ctrl_set_op(struct rte_eth_dev *dev,
{
struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
if (BNXT_NPAR_PF(bp))
return 0;
switch (fc_conf->mode) {
case RTE_FC_NONE:
bp->link_info.auto_pause = 0;
@ -943,14 +946,6 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
if (version_printed++ == 0)
RTE_LOG(INFO, PMD, "%s", bnxt_version);
if (eth_dev->pci_dev->addr.function >= 2 &&
eth_dev->pci_dev->addr.function < 4) {
RTE_LOG(ERR, PMD, "Function not enabled %x:\n",
eth_dev->pci_dev->addr.function);
rc = -ENOMEM;
goto error;
}
rte_eth_copy_pci_info(eth_dev, eth_dev->pci_dev);
bp = eth_dev->data->dev_private;
@ -978,6 +973,8 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
goto error_free;
bnxt_hwrm_queue_qportcfg(bp);
bnxt_hwrm_func_qcfg(bp);
/* Get the MAX capabilities for this function */
rc = bnxt_hwrm_func_qcaps(bp);
if (rc) {

View File

@ -1452,6 +1452,9 @@ int bnxt_set_hwrm_link_config(struct bnxt *bp, bool link_up)
struct bnxt_link_info link_req;
uint16_t speed;
if (BNXT_NPAR_PF(bp))
return 0;
rc = bnxt_valid_link_speed(dev_conf->link_speeds,
bp->eth_dev->data->port_id);
if (rc)
@ -1488,3 +1491,38 @@ int bnxt_set_hwrm_link_config(struct bnxt *bp, bool link_up)
error:
return rc;
}
/* JIRA 22088 */
int bnxt_hwrm_func_qcfg(struct bnxt *bp)
{
struct hwrm_func_qcfg_input req = {0};
struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
int rc = 0;
HWRM_PREP(req, FUNC_QCFG, -1, resp);
req.fid = rte_cpu_to_le_16(0xffff);
rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
HWRM_CHECK_RESULT;
if (BNXT_VF(bp)) {
struct bnxt_vf_info *vf = &bp->vf;
/* Hard Coded.. 0xfff VLAN ID mask */
vf->vlan = rte_le_to_cpu_16(resp->vlan) & 0xfff;
}
switch (resp->port_partition_type) {
case HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_NPAR1_0:
case HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_NPAR1_5:
case HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_NPAR2_0:
bp->port_partition_type = resp->port_partition_type;
break;
default:
bp->port_partition_type = 0;
break;
}
return rc;
}

View File

@ -100,5 +100,6 @@ void bnxt_free_hwrm_resources(struct bnxt *bp);
int bnxt_alloc_hwrm_resources(struct bnxt *bp);
int bnxt_get_hwrm_link_config(struct bnxt *bp, struct rte_eth_link *link);
int bnxt_set_hwrm_link_config(struct bnxt *bp, bool link_up);
int bnxt_hwrm_func_qcfg(struct bnxt *bp);
#endif

View File

@ -85,6 +85,7 @@ struct ctx_hw_stats64 {
#define HWRM_VER_GET (UINT32_C(0x0))
#define HWRM_FUNC_RESET (UINT32_C(0x11))
#define HWRM_FUNC_QCAPS (UINT32_C(0x15))
#define HWRM_FUNC_QCFG (UINT32_C(0x16))
#define HWRM_FUNC_DRV_UNRGTR (UINT32_C(0x1a))
#define HWRM_FUNC_DRV_RGTR (UINT32_C(0x1d))
#define HWRM_PORT_PHY_CFG (UINT32_C(0x20))
@ -5796,4 +5797,214 @@ struct hwrm_func_drv_unrgtr_output {
uint8_t valid;
} __attribute__((packed));
/* hwrm_func_qcfg */
/*
* Description: This command returns the current configuration of a function.
* The input FID value is used to indicate what function is being queried. This
* allows a physical function driver to query virtual functions that are
* children of the physical function. The output FID value is needed to
* configure Rings and MSI-X vectors so their DMA operations appear correctly on
* the PCI bus.
*/
/* Input (24 bytes) */
struct hwrm_func_qcfg_input {
/*
* This value indicates what type of request this is. The format for the
* rest of the command is determined by this field.
*/
uint16_t req_type;
/*
* This value indicates the what completion ring the request will be
* optionally completed on. If the value is -1, then no CR completion
* will be generated. Any other value must be a valid CR ring_id value
* for this function.
*/
uint16_t cmpl_ring;
/* This value indicates the command sequence number. */
uint16_t seq_id;
/*
* Target ID of this command. 0x0 - 0xFFF8 - Used for function ids
* 0xFFF8 - 0xFFFE - Reserved for internal processors 0xFFFF - HWRM
*/
uint16_t target_id;
/*
* This is the host address where the response will be written when the
* request is complete. This area must be 16B aligned and must be
* cleared to zero before the request is made.
*/
uint64_t resp_addr;
/*
* Function ID of the function that is being queried. 0xFF... (All Fs)
* if the query is for the requesting function.
*/
uint16_t fid;
uint16_t unused_0[3];
} __attribute__((packed));
/* Output (72 bytes) */
struct hwrm_func_qcfg_output {
/*
* Pass/Fail or error type Note: receiver to verify the in parameters,
* and fail the call with an error when appropriate
*/
uint16_t error_code;
/* This field returns the type of original request. */
uint16_t req_type;
/* This field provides original sequence number of the command. */
uint16_t seq_id;
/*
* This field is the length of the response in bytes. The last byte of
* the response is a valid flag that will read as '1' when the command
* has been completely written to memory.
*/
uint16_t resp_len;
/*
* FID value. This value is used to identify operations on the PCI bus
* as belonging to a particular PCI function.
*/
uint16_t fid;
/*
* Port ID of port that this function is associated with. 0xFF... (All
* Fs) if this function is not associated with any port.
*/
uint16_t port_id;
/*
* This value is the current VLAN setting for this function. The value
* of 0 for this field indicates no priority tagging or VLAN is used.
* This VLAN is in 802.1Q tag format.
*/
uint16_t vlan;
uint8_t unused_0;
uint8_t unused_1;
/*
* This value is current MAC address configured for this function. A
* value of 00-00-00-00-00-00 indicates no MAC address is currently
* configured.
*/
uint8_t mac_address[6];
/*
* This value is current PCI ID of this function. If ARI is enabled,
* then it is Bus Number (8b):Function Number(8b). Otherwise, it is Bus
* Number (8b):Device Number (4b):Function Number(4b).
*/
uint16_t pci_id;
/* The number of RSS/COS contexts currently allocated to the function. */
uint16_t alloc_rsscos_ctx;
/*
* The number of completion rings currently allocated to the function.
* This does not include the rings allocated to any children functions
* if any.
*/
uint16_t alloc_cmpl_rings;
/*
* The number of transmit rings currently allocated to the function.
* This does not include the rings allocated to any children functions
* if any.
*/
uint16_t alloc_tx_rings;
/*
* The number of receive rings currently allocated to the function. This
* does not include the rings allocated to any children functions if
* any.
*/
uint16_t alloc_rx_rings;
/* The allocated number of L2 contexts to the function. */
uint16_t alloc_l2_ctx;
/* The allocated number of vnics to the function. */
uint16_t alloc_vnics;
/*
* The maximum transmission unit of the function. For rings allocated on
* this function, this default value is used if ring MTU is not
* specified.
*/
uint16_t mtu;
/*
* The maximum receive unit of the function. For vnics allocated on this
* function, this default value is used if vnic MRU is not specified.
*/
uint16_t mru;
/* The statistics context assigned to a function. */
uint16_t stat_ctx_id;
/*
* The HWRM shall return Unknown value for this field when this command
* is used to query VF's configuration.
*/
/* Single physical function */
#define HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_SPF \
(UINT32_C(0x0) << 0)
/* Multiple physical functions */
#define HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_MPFS \
(UINT32_C(0x1) << 0)
/* Network Partitioning 1.0 */
#define HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_NPAR1_0 \
(UINT32_C(0x2) << 0)
/* Network Partitioning 1.5 */
#define HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_NPAR1_5 \
(UINT32_C(0x3) << 0)
/* Network Partitioning 2.0 */
#define HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_NPAR2_0 \
(UINT32_C(0x4) << 0)
/* Unknown */
#define HWRM_FUNC_QCFG_OUTPUT_PORT_PARTITION_TYPE_UNKNOWN \
(UINT32_C(0xff) << 0)
uint8_t port_partition_type;
uint8_t unused_2;
/* The default VNIC ID assigned to a function that is being queried. */
uint16_t dflt_vnic_id;
uint8_t unused_3;
uint8_t unused_4;
/*
* Minimum BW allocated for this function in Mbps. The HWRM will
* translate this value into byte counter and time interval used for the
* scheduler inside the device. A value of 0 indicates the minimum
* bandwidth is not configured.
*/
uint32_t min_bw;
/*
* Maximum BW allocated for this function in Mbps. The HWRM will
* translate this value into byte counter and time interval used for the
* scheduler inside the device. A value of 0 indicates that the maximum
* bandwidth is not configured.
*/
uint32_t max_bw;
/*
* This value indicates the Edge virtual bridge mode for the domain that
* this function belongs to.
*/
/* No Edge Virtual Bridging (EVB) */
#define HWRM_FUNC_QCFG_OUTPUT_EVB_MODE_NO_EVB (UINT32_C(0x0) << 0)
/* Virtual Ethernet Bridge (VEB) */
#define HWRM_FUNC_QCFG_OUTPUT_EVB_MODE_VEB (UINT32_C(0x1) << 0)
/* Virtual Ethernet Port Aggregator (VEPA) */
#define HWRM_FUNC_QCFG_OUTPUT_EVB_MODE_VEPA (UINT32_C(0x2) << 0)
uint8_t evb_mode;
uint8_t unused_5;
uint16_t unused_6;
/*
* The number of allocated multicast filters for this function on the RX
* side.
*/
uint32_t alloc_mcast_filters;
/* The number of allocated HW ring groups for this function. */
uint32_t alloc_hw_ring_grps;
uint8_t unused_7;
uint8_t unused_8;
uint8_t unused_9;
/*
* This field is used in Output records to indicate that the output is
* completely written to RAM. This field should be read as '1' to
* indicate that the output has been completely written. When writing a
* command completion or response to an internal processor, the order of
* writes has to be such that this field is written last.
*/
uint8_t valid;
} __attribute__((packed));
#endif