Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2013 - 2019 Intel Corporation. */
#include "fm10k_pf.h"
#include "fm10k_vf.h"
/**
* fm10k_reset_hw_pf - PF hardware reset
* @hw: pointer to hardware structure
*
* This function should return the hardware to a state similar to the
* one it is in after being powered on.
**/
static s32 fm10k_reset_hw_pf(struct fm10k_hw *hw)
{
<------>s32 err;
<------>u32 reg;
<------>u16 i;
<------>/* Disable interrupts */
<------>fm10k_write_reg(hw, FM10K_EIMR, FM10K_EIMR_DISABLE(ALL));
<------>/* Lock ITR2 reg 0 into itself and disable interrupt moderation */
<------>fm10k_write_reg(hw, FM10K_ITR2(0), 0);
<------>fm10k_write_reg(hw, FM10K_INT_CTRL, 0);
<------>/* We assume here Tx and Rx queue 0 are owned by the PF */
<------>/* Shut off VF access to their queues forcing them to queue 0 */
<------>for (i = 0; i < FM10K_TQMAP_TABLE_SIZE; i++) {
<------><------>fm10k_write_reg(hw, FM10K_TQMAP(i), 0);
<------><------>fm10k_write_reg(hw, FM10K_RQMAP(i), 0);
<------>}
<------>/* shut down all rings */
<------>err = fm10k_disable_queues_generic(hw, FM10K_MAX_QUEUES);
<------>if (err == FM10K_ERR_REQUESTS_PENDING) {
<------><------>hw->mac.reset_while_pending++;
<------><------>goto force_reset;
<------>} else if (err) {
<------><------>return err;
<------>}
<------>/* Verify that DMA is no longer active */
<------>reg = fm10k_read_reg(hw, FM10K_DMA_CTRL);
<------>if (reg & (FM10K_DMA_CTRL_TX_ACTIVE | FM10K_DMA_CTRL_RX_ACTIVE))
<------><------>return FM10K_ERR_DMA_PENDING;
force_reset:
<------>/* Inititate data path reset */
<------>reg = FM10K_DMA_CTRL_DATAPATH_RESET;
<------>fm10k_write_reg(hw, FM10K_DMA_CTRL, reg);
<------>/* Flush write and allow 100us for reset to complete */
<------>fm10k_write_flush(hw);
<------>udelay(FM10K_RESET_TIMEOUT);
<------>/* Verify we made it out of reset */
<------>reg = fm10k_read_reg(hw, FM10K_IP);
<------>if (!(reg & FM10K_IP_NOTINRESET))
<------><------>return FM10K_ERR_RESET_FAILED;
<------>return 0;
}
/**
* fm10k_is_ari_hierarchy_pf - Indicate ARI hierarchy support
* @hw: pointer to hardware structure
*
* Looks at the ARI hierarchy bit to determine whether ARI is supported or not.
**/
static bool fm10k_is_ari_hierarchy_pf(struct fm10k_hw *hw)
{
<------>u16 sriov_ctrl = fm10k_read_pci_cfg_word(hw, FM10K_PCIE_SRIOV_CTRL);
<------>return !!(sriov_ctrl & FM10K_PCIE_SRIOV_CTRL_VFARI);
}
/**
* fm10k_init_hw_pf - PF hardware initialization
* @hw: pointer to hardware structure
*
**/
static s32 fm10k_init_hw_pf(struct fm10k_hw *hw)
{
<------>u32 dma_ctrl, txqctl;
<------>u16 i;
<------>/* Establish default VSI as valid */
<------>fm10k_write_reg(hw, FM10K_DGLORTDEC(fm10k_dglort_default), 0);
<------>fm10k_write_reg(hw, FM10K_DGLORTMAP(fm10k_dglort_default),
<------><------><------>FM10K_DGLORTMAP_ANY);
<------>/* Invalidate all other GLORT entries */
<------>for (i = 1; i < FM10K_DGLORT_COUNT; i++)
<------><------>fm10k_write_reg(hw, FM10K_DGLORTMAP(i), FM10K_DGLORTMAP_NONE);
<------>/* reset ITR2(0) to point to itself */
<------>fm10k_write_reg(hw, FM10K_ITR2(0), 0);
<------>/* reset VF ITR2(0) to point to 0 avoid PF registers */
<------>fm10k_write_reg(hw, FM10K_ITR2(FM10K_ITR_REG_COUNT_PF), 0);
<------>/* loop through all PF ITR2 registers pointing them to the previous */
<------>for (i = 1; i < FM10K_ITR_REG_COUNT_PF; i++)
<------><------>fm10k_write_reg(hw, FM10K_ITR2(i), i - 1);
<------>/* Enable interrupt moderator if not already enabled */
<------>fm10k_write_reg(hw, FM10K_INT_CTRL, FM10K_INT_CTRL_ENABLEMODERATOR);
<------>/* compute the default txqctl configuration */
<------>txqctl = FM10K_TXQCTL_PF | FM10K_TXQCTL_UNLIMITED_BW |
<------><------> (hw->mac.default_vid << FM10K_TXQCTL_VID_SHIFT);
<------>for (i = 0; i < FM10K_MAX_QUEUES; i++) {
<------><------>/* configure rings for 256 Queue / 32 Descriptor cache mode */
<------><------>fm10k_write_reg(hw, FM10K_TQDLOC(i),
<------><------><------><------>(i * FM10K_TQDLOC_BASE_32_DESC) |
<------><------><------><------>FM10K_TQDLOC_SIZE_32_DESC);
<------><------>fm10k_write_reg(hw, FM10K_TXQCTL(i), txqctl);
<------><------>/* configure rings to provide TPH processing hints */
<------><------>fm10k_write_reg(hw, FM10K_TPH_TXCTRL(i),
<------><------><------><------>FM10K_TPH_TXCTRL_DESC_TPHEN |
<------><------><------><------>FM10K_TPH_TXCTRL_DESC_RROEN |
<------><------><------><------>FM10K_TPH_TXCTRL_DESC_WROEN |
<------><------><------><------>FM10K_TPH_TXCTRL_DATA_RROEN);
<------><------>fm10k_write_reg(hw, FM10K_TPH_RXCTRL(i),
<------><------><------><------>FM10K_TPH_RXCTRL_DESC_TPHEN |
<------><------><------><------>FM10K_TPH_RXCTRL_DESC_RROEN |
<------><------><------><------>FM10K_TPH_RXCTRL_DATA_WROEN |
<------><------><------><------>FM10K_TPH_RXCTRL_HDR_WROEN);
<------>}
<------>/* set max hold interval to align with 1.024 usec in all modes and
<------> * store ITR scale
<------> */
<------>switch (hw->bus.speed) {
<------>case fm10k_bus_speed_2500:
<------><------>dma_ctrl = FM10K_DMA_CTRL_MAX_HOLD_1US_GEN1;
<------><------>hw->mac.itr_scale = FM10K_TDLEN_ITR_SCALE_GEN1;
<------><------>break;
<------>case fm10k_bus_speed_5000:
<------><------>dma_ctrl = FM10K_DMA_CTRL_MAX_HOLD_1US_GEN2;
<------><------>hw->mac.itr_scale = FM10K_TDLEN_ITR_SCALE_GEN2;
<------><------>break;
<------>case fm10k_bus_speed_8000:
<------><------>dma_ctrl = FM10K_DMA_CTRL_MAX_HOLD_1US_GEN3;
<------><------>hw->mac.itr_scale = FM10K_TDLEN_ITR_SCALE_GEN3;
<------><------>break;
<------>default:
<------><------>dma_ctrl = 0;
<------><------>/* just in case, assume Gen3 ITR scale */
<------><------>hw->mac.itr_scale = FM10K_TDLEN_ITR_SCALE_GEN3;
<------><------>break;
<------>}
<------>/* Configure TSO flags */
<------>fm10k_write_reg(hw, FM10K_DTXTCPFLGL, FM10K_TSO_FLAGS_LOW);
<------>fm10k_write_reg(hw, FM10K_DTXTCPFLGH, FM10K_TSO_FLAGS_HI);
<------>/* Enable DMA engine
<------> * Set Rx Descriptor size to 32
<------> * Set Minimum MSS to 64
<------> * Set Maximum number of Rx queues to 256 / 32 Descriptor
<------> */
<------>dma_ctrl |= FM10K_DMA_CTRL_TX_ENABLE | FM10K_DMA_CTRL_RX_ENABLE |
<------><------> FM10K_DMA_CTRL_RX_DESC_SIZE | FM10K_DMA_CTRL_MINMSS_64 |
<------><------> FM10K_DMA_CTRL_32_DESC;
<------>fm10k_write_reg(hw, FM10K_DMA_CTRL, dma_ctrl);
<------>/* record maximum queue count, we limit ourselves to 128 */
<------>hw->mac.max_queues = FM10K_MAX_QUEUES_PF;
<------>/* We support either 64 VFs or 7 VFs depending on if we have ARI */
<------>hw->iov.total_vfs = fm10k_is_ari_hierarchy_pf(hw) ? 64 : 7;
<------>return 0;
}
/**
* fm10k_update_vlan_pf - Update status of VLAN ID in VLAN filter table
* @hw: pointer to hardware structure
* @vid: VLAN ID to add to table
* @vsi: Index indicating VF ID or PF ID in table
* @set: Indicates if this is a set or clear operation
*
* This function adds or removes the corresponding VLAN ID from the VLAN
* filter table for the corresponding function. In addition to the
* standard set/clear that supports one bit a multi-bit write is
* supported to set 64 bits at a time.
**/
static s32 fm10k_update_vlan_pf(struct fm10k_hw *hw, u32 vid, u8 vsi, bool set)
{
<------>u32 vlan_table, reg, mask, bit, len;
<------>/* verify the VSI index is valid */
<------>if (vsi > FM10K_VLAN_TABLE_VSI_MAX)
<------><------>return FM10K_ERR_PARAM;
<------>/* VLAN multi-bit write:
<------> * The multi-bit write has several parts to it.
<------> * 24 16 8 0
<------> * 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
<------> * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
<------> * | RSVD0 | Length |C|RSVD0| VLAN ID |
<------> * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
<------> *
<------> * VLAN ID: Vlan Starting value
<------> * RSVD0: Reserved section, must be 0
<------> * C: Flag field, 0 is set, 1 is clear (Used in VF VLAN message)
<------> * Length: Number of times to repeat the bit being set
<------> */
<------>len = vid >> 16;
<------>vid = (vid << 17) >> 17;
<------>/* verify the reserved 0 fields are 0 */
<------>if (len >= FM10K_VLAN_TABLE_VID_MAX || vid >= FM10K_VLAN_TABLE_VID_MAX)
<------><------>return FM10K_ERR_PARAM;
<------>/* Loop through the table updating all required VLANs */
<------>for (reg = FM10K_VLAN_TABLE(vsi, vid / 32), bit = vid % 32;
<------> len < FM10K_VLAN_TABLE_VID_MAX;
<------> len -= 32 - bit, reg++, bit = 0) {
<------><------>/* record the initial state of the register */
<------><------>vlan_table = fm10k_read_reg(hw, reg);
<------><------>/* truncate mask if we are at the start or end of the run */
<------><------>mask = (~(u32)0 >> ((len < 31) ? 31 - len : 0)) << bit;
<------><------>/* make necessary modifications to the register */
<------><------>mask &= set ? ~vlan_table : vlan_table;
<------><------>if (mask)
<------><------><------>fm10k_write_reg(hw, reg, vlan_table ^ mask);
<------>}
<------>return 0;
}
/**
* fm10k_read_mac_addr_pf - Read device MAC address
* @hw: pointer to the HW structure
*
* Reads the device MAC address from the SM_AREA and stores the value.
**/
static s32 fm10k_read_mac_addr_pf(struct fm10k_hw *hw)
{
<------>u8 perm_addr[ETH_ALEN];
<------>u32 serial_num;
<------>serial_num = fm10k_read_reg(hw, FM10K_SM_AREA(1));
<------>/* last byte should be all 1's */
<------>if ((~serial_num) << 24)
<------><------>return FM10K_ERR_INVALID_MAC_ADDR;
<------>perm_addr[0] = (u8)(serial_num >> 24);
<------>perm_addr[1] = (u8)(serial_num >> 16);
<------>perm_addr[2] = (u8)(serial_num >> 8);
<------>serial_num = fm10k_read_reg(hw, FM10K_SM_AREA(0));
<------>/* first byte should be all 1's */
<------>if ((~serial_num) >> 24)
<------><------>return FM10K_ERR_INVALID_MAC_ADDR;
<------>perm_addr[3] = (u8)(serial_num >> 16);
<------>perm_addr[4] = (u8)(serial_num >> 8);
<------>perm_addr[5] = (u8)(serial_num);
<------>ether_addr_copy(hw->mac.perm_addr, perm_addr);
<------>ether_addr_copy(hw->mac.addr, perm_addr);
<------>return 0;
}
/**
* fm10k_glort_valid_pf - Validate that the provided glort is valid
* @hw: pointer to the HW structure
* @glort: base glort to be validated
*
* This function will return an error if the provided glort is invalid
**/
bool fm10k_glort_valid_pf(struct fm10k_hw *hw, u16 glort)
{
<------>glort &= hw->mac.dglort_map >> FM10K_DGLORTMAP_MASK_SHIFT;
<------>return glort == (hw->mac.dglort_map & FM10K_DGLORTMAP_NONE);
}
/**
* fm10k_update_xc_addr_pf - Update device addresses
* @hw: pointer to the HW structure
* @glort: base resource tag for this request
* @mac: MAC address to add/remove from table
* @vid: VLAN ID to add/remove from table
* @add: Indicates if this is an add or remove operation
* @flags: flags field to indicate add and secure
*
* This function generates a message to the Switch API requesting
* that the given logical port add/remove the given L2 MAC/VLAN address.
**/
static s32 fm10k_update_xc_addr_pf(struct fm10k_hw *hw, u16 glort,
<------><------><------><------> const u8 *mac, u16 vid, bool add, u8 flags)
{
<------>struct fm10k_mbx_info *mbx = &hw->mbx;
<------>struct fm10k_mac_update mac_update;
<------>u32 msg[5];
<------>/* clear set bit from VLAN ID */
<------>vid &= ~FM10K_VLAN_CLEAR;
<------>/* if glort or VLAN are not valid return error */
<------>if (!fm10k_glort_valid_pf(hw, glort) || vid >= FM10K_VLAN_TABLE_VID_MAX)
<------><------>return FM10K_ERR_PARAM;
<------>/* record fields */
<------>mac_update.mac_lower = cpu_to_le32(((u32)mac[2] << 24) |
<------><------><------><------><------><------> ((u32)mac[3] << 16) |
<------><------><------><------><------><------> ((u32)mac[4] << 8) |
<------><------><------><------><------><------> ((u32)mac[5]));
<------>mac_update.mac_upper = cpu_to_le16(((u16)mac[0] << 8) |
<------><------><------><------><------> ((u16)mac[1]));
<------>mac_update.vlan = cpu_to_le16(vid);
<------>mac_update.glort = cpu_to_le16(glort);
<------>mac_update.action = add ? 0 : 1;
<------>mac_update.flags = flags;
<------>/* populate mac_update fields */
<------>fm10k_tlv_msg_init(msg, FM10K_PF_MSG_ID_UPDATE_MAC_FWD_RULE);
<------>fm10k_tlv_attr_put_le_struct(msg, FM10K_PF_ATTR_ID_MAC_UPDATE,
<------><------><------><------> &mac_update, sizeof(mac_update));
<------>/* load onto outgoing mailbox */
<------>return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_update_uc_addr_pf - Update device unicast addresses
* @hw: pointer to the HW structure
* @glort: base resource tag for this request
* @mac: MAC address to add/remove from table
* @vid: VLAN ID to add/remove from table
* @add: Indicates if this is an add or remove operation
* @flags: flags field to indicate add and secure
*
* This function is used to add or remove unicast addresses for
* the PF.
**/
static s32 fm10k_update_uc_addr_pf(struct fm10k_hw *hw, u16 glort,
<------><------><------><------> const u8 *mac, u16 vid, bool add, u8 flags)
{
<------>/* verify MAC address is valid */
<------>if (!is_valid_ether_addr(mac))
<------><------>return FM10K_ERR_PARAM;
<------>return fm10k_update_xc_addr_pf(hw, glort, mac, vid, add, flags);
}
/**
* fm10k_update_mc_addr_pf - Update device multicast addresses
* @hw: pointer to the HW structure
* @glort: base resource tag for this request
* @mac: MAC address to add/remove from table
* @vid: VLAN ID to add/remove from table
* @add: Indicates if this is an add or remove operation
*
* This function is used to add or remove multicast MAC addresses for
* the PF.
**/
static s32 fm10k_update_mc_addr_pf(struct fm10k_hw *hw, u16 glort,
<------><------><------><------> const u8 *mac, u16 vid, bool add)
{
<------>/* verify multicast address is valid */
<------>if (!is_multicast_ether_addr(mac))
<------><------>return FM10K_ERR_PARAM;
<------>return fm10k_update_xc_addr_pf(hw, glort, mac, vid, add, 0);
}
/**
* fm10k_update_xcast_mode_pf - Request update of multicast mode
* @hw: pointer to hardware structure
* @glort: base resource tag for this request
* @mode: integer value indicating mode being requested
*
* This function will attempt to request a higher mode for the port
* so that it can enable either multicast, multicast promiscuous, or
* promiscuous mode of operation.
**/
static s32 fm10k_update_xcast_mode_pf(struct fm10k_hw *hw, u16 glort, u8 mode)
{
<------>struct fm10k_mbx_info *mbx = &hw->mbx;
<------>u32 msg[3], xcast_mode;
<------>if (mode > FM10K_XCAST_MODE_NONE)
<------><------>return FM10K_ERR_PARAM;
<------>/* if glort is not valid return error */
<------>if (!fm10k_glort_valid_pf(hw, glort))
<------><------>return FM10K_ERR_PARAM;
<------>/* write xcast mode as a single u32 value,
<------> * lower 16 bits: glort
<------> * upper 16 bits: mode
<------> */
<------>xcast_mode = ((u32)mode << 16) | glort;
<------>/* generate message requesting to change xcast mode */
<------>fm10k_tlv_msg_init(msg, FM10K_PF_MSG_ID_XCAST_MODES);
<------>fm10k_tlv_attr_put_u32(msg, FM10K_PF_ATTR_ID_XCAST_MODE, xcast_mode);
<------>/* load onto outgoing mailbox */
<------>return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_update_int_moderator_pf - Update interrupt moderator linked list
* @hw: pointer to hardware structure
*
* This function walks through the MSI-X vector table to determine the
* number of active interrupts and based on that information updates the
* interrupt moderator linked list.
**/
static void fm10k_update_int_moderator_pf(struct fm10k_hw *hw)
{
<------>u32 i;
<------>/* Disable interrupt moderator */
<------>fm10k_write_reg(hw, FM10K_INT_CTRL, 0);
<------>/* loop through PF from last to first looking enabled vectors */
<------>for (i = FM10K_ITR_REG_COUNT_PF - 1; i; i--) {
<------><------>if (!fm10k_read_reg(hw, FM10K_MSIX_VECTOR_MASK(i)))
<------><------><------>break;
<------>}
<------>/* always reset VFITR2[0] to point to last enabled PF vector */
<------>fm10k_write_reg(hw, FM10K_ITR2(FM10K_ITR_REG_COUNT_PF), i);
<------>/* reset ITR2[0] to point to last enabled PF vector */
<------>if (!hw->iov.num_vfs)
<------><------>fm10k_write_reg(hw, FM10K_ITR2(0), i);
<------>/* Enable interrupt moderator */
<------>fm10k_write_reg(hw, FM10K_INT_CTRL, FM10K_INT_CTRL_ENABLEMODERATOR);
}
/**
* fm10k_update_lport_state_pf - Notify the switch of a change in port state
* @hw: pointer to the HW structure
* @glort: base resource tag for this request
* @count: number of logical ports being updated
* @enable: boolean value indicating enable or disable
*
* This function is used to add/remove a logical port from the switch.
**/
static s32 fm10k_update_lport_state_pf(struct fm10k_hw *hw, u16 glort,
<------><------><------><------> u16 count, bool enable)
{
<------>struct fm10k_mbx_info *mbx = &hw->mbx;
<------>u32 msg[3], lport_msg;
<------>/* do nothing if we are being asked to create or destroy 0 ports */
<------>if (!count)
<------><------>return 0;
<------>/* if glort is not valid return error */
<------>if (!fm10k_glort_valid_pf(hw, glort))
<------><------>return FM10K_ERR_PARAM;
<------>/* reset multicast mode if deleting lport */
<------>if (!enable)
<------><------>fm10k_update_xcast_mode_pf(hw, glort, FM10K_XCAST_MODE_NONE);
<------>/* construct the lport message from the 2 pieces of data we have */
<------>lport_msg = ((u32)count << 16) | glort;
<------>/* generate lport create/delete message */
<------>fm10k_tlv_msg_init(msg, enable ? FM10K_PF_MSG_ID_LPORT_CREATE :
<------><------><------><------><------> FM10K_PF_MSG_ID_LPORT_DELETE);
<------>fm10k_tlv_attr_put_u32(msg, FM10K_PF_ATTR_ID_PORT, lport_msg);
<------>/* load onto outgoing mailbox */
<------>return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_configure_dglort_map_pf - Configures GLORT entry and queues
* @hw: pointer to hardware structure
* @dglort: pointer to dglort configuration structure
*
* Reads the configuration structure contained in dglort_cfg and uses
* that information to then populate a DGLORTMAP/DEC entry and the queues
* to which it has been assigned.
**/
static s32 fm10k_configure_dglort_map_pf(struct fm10k_hw *hw,
<------><------><------><------><------> struct fm10k_dglort_cfg *dglort)
{
<------>u16 glort, queue_count, vsi_count, pc_count;
<------>u16 vsi, queue, pc, q_idx;
<------>u32 txqctl, dglortdec, dglortmap;
<------>/* verify the dglort pointer */
<------>if (!dglort)
<------><------>return FM10K_ERR_PARAM;
<------>/* verify the dglort values */
<------>if ((dglort->idx > 7) || (dglort->rss_l > 7) || (dglort->pc_l > 3) ||
<------> (dglort->vsi_l > 6) || (dglort->vsi_b > 64) ||
<------> (dglort->queue_l > 8) || (dglort->queue_b >= 256))
<------><------>return FM10K_ERR_PARAM;
<------>/* determine count of VSIs and queues */
<------>queue_count = BIT(dglort->rss_l + dglort->pc_l);
<------>vsi_count = BIT(dglort->vsi_l + dglort->queue_l);
<------>glort = dglort->glort;
<------>q_idx = dglort->queue_b;
<------>/* configure SGLORT for queues */
<------>for (vsi = 0; vsi < vsi_count; vsi++, glort++) {
<------><------>for (queue = 0; queue < queue_count; queue++, q_idx++) {
<------><------><------>if (q_idx >= FM10K_MAX_QUEUES)
<------><------><------><------>break;
<------><------><------>fm10k_write_reg(hw, FM10K_TX_SGLORT(q_idx), glort);
<------><------><------>fm10k_write_reg(hw, FM10K_RX_SGLORT(q_idx), glort);
<------><------>}
<------>}
<------>/* determine count of PCs and queues */
<------>queue_count = BIT(dglort->queue_l + dglort->rss_l + dglort->vsi_l);
<------>pc_count = BIT(dglort->pc_l);
<------>/* configure PC for Tx queues */
<------>for (pc = 0; pc < pc_count; pc++) {
<------><------>q_idx = pc + dglort->queue_b;
<------><------>for (queue = 0; queue < queue_count; queue++) {
<------><------><------>if (q_idx >= FM10K_MAX_QUEUES)
<------><------><------><------>break;
<------><------><------>txqctl = fm10k_read_reg(hw, FM10K_TXQCTL(q_idx));
<------><------><------>txqctl &= ~FM10K_TXQCTL_PC_MASK;
<------><------><------>txqctl |= pc << FM10K_TXQCTL_PC_SHIFT;
<------><------><------>fm10k_write_reg(hw, FM10K_TXQCTL(q_idx), txqctl);
<------><------><------>q_idx += pc_count;
<------><------>}
<------>}
<------>/* configure DGLORTDEC */
<------>dglortdec = ((u32)(dglort->rss_l) << FM10K_DGLORTDEC_RSSLENGTH_SHIFT) |
<------><------> ((u32)(dglort->queue_b) << FM10K_DGLORTDEC_QBASE_SHIFT) |
<------><------> ((u32)(dglort->pc_l) << FM10K_DGLORTDEC_PCLENGTH_SHIFT) |
<------><------> ((u32)(dglort->vsi_b) << FM10K_DGLORTDEC_VSIBASE_SHIFT) |
<------><------> ((u32)(dglort->vsi_l) << FM10K_DGLORTDEC_VSILENGTH_SHIFT) |
<------><------> ((u32)(dglort->queue_l));
<------>if (dglort->inner_rss)
<------><------>dglortdec |= FM10K_DGLORTDEC_INNERRSS_ENABLE;
<------>/* configure DGLORTMAP */
<------>dglortmap = (dglort->idx == fm10k_dglort_default) ?
<------><------><------>FM10K_DGLORTMAP_ANY : FM10K_DGLORTMAP_ZERO;
<------>dglortmap <<= dglort->vsi_l + dglort->queue_l + dglort->shared_l;
<------>dglortmap |= dglort->glort;
<------>/* write values to hardware */
<------>fm10k_write_reg(hw, FM10K_DGLORTDEC(dglort->idx), dglortdec);
<------>fm10k_write_reg(hw, FM10K_DGLORTMAP(dglort->idx), dglortmap);
<------>return 0;
}
u16 fm10k_queues_per_pool(struct fm10k_hw *hw)
{
<------>u16 num_pools = hw->iov.num_pools;
<------>return (num_pools > 32) ? 2 : (num_pools > 16) ? 4 : (num_pools > 8) ?
<------> 8 : FM10K_MAX_QUEUES_POOL;
}
u16 fm10k_vf_queue_index(struct fm10k_hw *hw, u16 vf_idx)
{
<------>u16 num_vfs = hw->iov.num_vfs;
<------>u16 vf_q_idx = FM10K_MAX_QUEUES;
<------>vf_q_idx -= fm10k_queues_per_pool(hw) * (num_vfs - vf_idx);
<------>return vf_q_idx;
}
static u16 fm10k_vectors_per_pool(struct fm10k_hw *hw)
{
<------>u16 num_pools = hw->iov.num_pools;
<------>return (num_pools > 32) ? 8 : (num_pools > 16) ? 16 :
<------> FM10K_MAX_VECTORS_POOL;
}
static u16 fm10k_vf_vector_index(struct fm10k_hw *hw, u16 vf_idx)
{
<------>u16 vf_v_idx = FM10K_MAX_VECTORS_PF;
<------>vf_v_idx += fm10k_vectors_per_pool(hw) * vf_idx;
<------>return vf_v_idx;
}
/**
* fm10k_iov_assign_resources_pf - Assign pool resources for virtualization
* @hw: pointer to the HW structure
* @num_vfs: number of VFs to be allocated
* @num_pools: number of virtualization pools to be allocated
*
* Allocates queues and traffic classes to virtualization entities to prepare
* the PF for SR-IOV and VMDq
**/
static s32 fm10k_iov_assign_resources_pf(struct fm10k_hw *hw, u16 num_vfs,
<------><------><------><------><------> u16 num_pools)
{
<------>u16 qmap_stride, qpp, vpp, vf_q_idx, vf_q_idx0, qmap_idx;
<------>u32 vid = hw->mac.default_vid << FM10K_TXQCTL_VID_SHIFT;
<------>int i, j;
<------>/* hardware only supports up to 64 pools */
<------>if (num_pools > 64)
<------><------>return FM10K_ERR_PARAM;
<------>/* the number of VFs cannot exceed the number of pools */
<------>if ((num_vfs > num_pools) || (num_vfs > hw->iov.total_vfs))
<------><------>return FM10K_ERR_PARAM;
<------>/* record number of virtualization entities */
<------>hw->iov.num_vfs = num_vfs;
<------>hw->iov.num_pools = num_pools;
<------>/* determine qmap offsets and counts */
<------>qmap_stride = (num_vfs > 8) ? 32 : 256;
<------>qpp = fm10k_queues_per_pool(hw);
<------>vpp = fm10k_vectors_per_pool(hw);
<------>/* calculate starting index for queues */
<------>vf_q_idx = fm10k_vf_queue_index(hw, 0);
<------>qmap_idx = 0;
<------>/* establish TCs with -1 credits and no quanta to prevent transmit */
<------>for (i = 0; i < num_vfs; i++) {
<------><------>fm10k_write_reg(hw, FM10K_TC_MAXCREDIT(i), 0);
<------><------>fm10k_write_reg(hw, FM10K_TC_RATE(i), 0);
<------><------>fm10k_write_reg(hw, FM10K_TC_CREDIT(i),
<------><------><------><------>FM10K_TC_CREDIT_CREDIT_MASK);
<------>}
<------>/* zero out all mbmem registers */
<------>for (i = FM10K_VFMBMEM_LEN * num_vfs; i--;)
<------><------>fm10k_write_reg(hw, FM10K_MBMEM(i), 0);
<------>/* clear event notification of VF FLR */
<------>fm10k_write_reg(hw, FM10K_PFVFLREC(0), ~0);
<------>fm10k_write_reg(hw, FM10K_PFVFLREC(1), ~0);
<------>/* loop through unallocated rings assigning them back to PF */
<------>for (i = FM10K_MAX_QUEUES_PF; i < vf_q_idx; i++) {
<------><------>fm10k_write_reg(hw, FM10K_TXDCTL(i), 0);
<------><------>fm10k_write_reg(hw, FM10K_TXQCTL(i), FM10K_TXQCTL_PF |
<------><------><------><------>FM10K_TXQCTL_UNLIMITED_BW | vid);
<------><------>fm10k_write_reg(hw, FM10K_RXQCTL(i), FM10K_RXQCTL_PF);
<------>}
<------>/* PF should have already updated VFITR2[0] */
<------>/* update all ITR registers to flow to VFITR2[0] */
<------>for (i = FM10K_ITR_REG_COUNT_PF + 1; i < FM10K_ITR_REG_COUNT; i++) {
<------><------>if (!(i & (vpp - 1)))
<------><------><------>fm10k_write_reg(hw, FM10K_ITR2(i), i - vpp);
<------><------>else
<------><------><------>fm10k_write_reg(hw, FM10K_ITR2(i), i - 1);
<------>}
<------>/* update PF ITR2[0] to reference the last vector */
<------>fm10k_write_reg(hw, FM10K_ITR2(0),
<------><------><------>fm10k_vf_vector_index(hw, num_vfs - 1));
<------>/* loop through rings populating rings and TCs */
<------>for (i = 0; i < num_vfs; i++) {
<------><------>/* record index for VF queue 0 for use in end of loop */
<------><------>vf_q_idx0 = vf_q_idx;
<------><------>for (j = 0; j < qpp; j++, qmap_idx++, vf_q_idx++) {
<------><------><------>/* assign VF and locked TC to queues */
<------><------><------>fm10k_write_reg(hw, FM10K_TXDCTL(vf_q_idx), 0);
<------><------><------>fm10k_write_reg(hw, FM10K_TXQCTL(vf_q_idx),
<------><------><------><------><------>(i << FM10K_TXQCTL_TC_SHIFT) | i |
<------><------><------><------><------>FM10K_TXQCTL_VF | vid);
<------><------><------>fm10k_write_reg(hw, FM10K_RXDCTL(vf_q_idx),
<------><------><------><------><------>FM10K_RXDCTL_WRITE_BACK_MIN_DELAY |
<------><------><------><------><------>FM10K_RXDCTL_DROP_ON_EMPTY);
<------><------><------>fm10k_write_reg(hw, FM10K_RXQCTL(vf_q_idx),
<------><------><------><------><------>(i << FM10K_RXQCTL_VF_SHIFT) |
<------><------><------><------><------>FM10K_RXQCTL_VF);
<------><------><------>/* map queue pair to VF */
<------><------><------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx), vf_q_idx);
<------><------><------>fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx), vf_q_idx);
<------><------>}
<------><------>/* repeat the first ring for all of the remaining VF rings */
<------><------>for (; j < qmap_stride; j++, qmap_idx++) {
<------><------><------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx), vf_q_idx0);
<------><------><------>fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx), vf_q_idx0);
<------><------>}
<------>}
<------>/* loop through remaining indexes assigning all to queue 0 */
<------>while (qmap_idx < FM10K_TQMAP_TABLE_SIZE) {
<------><------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx), 0);
<------><------>fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx), 0);
<------><------>qmap_idx++;
<------>}
<------>return 0;
}
/**
* fm10k_iov_configure_tc_pf - Configure the shaping group for VF
* @hw: pointer to the HW structure
* @vf_idx: index of VF receiving GLORT
* @rate: Rate indicated in Mb/s
*
* Configured the TC for a given VF to allow only up to a given number
* of Mb/s of outgoing Tx throughput.
**/
static s32 fm10k_iov_configure_tc_pf(struct fm10k_hw *hw, u16 vf_idx, int rate)
{
<------>/* configure defaults */
<------>u32 interval = FM10K_TC_RATE_INTERVAL_4US_GEN3;
<------>u32 tc_rate = FM10K_TC_RATE_QUANTA_MASK;
<------>/* verify vf is in range */
<------>if (vf_idx >= hw->iov.num_vfs)
<------><------>return FM10K_ERR_PARAM;
<------>/* set interval to align with 4.096 usec in all modes */
<------>switch (hw->bus.speed) {
<------>case fm10k_bus_speed_2500:
<------><------>interval = FM10K_TC_RATE_INTERVAL_4US_GEN1;
<------><------>break;
<------>case fm10k_bus_speed_5000:
<------><------>interval = FM10K_TC_RATE_INTERVAL_4US_GEN2;
<------><------>break;
<------>default:
<------><------>break;
<------>}
<------>if (rate) {
<------><------>if (rate > FM10K_VF_TC_MAX || rate < FM10K_VF_TC_MIN)
<------><------><------>return FM10K_ERR_PARAM;
<------><------>/* The quanta is measured in Bytes per 4.096 or 8.192 usec
<------><------> * The rate is provided in Mbits per second
<------><------> * To tralslate from rate to quanta we need to multiply the
<------><------> * rate by 8.192 usec and divide by 8 bits/byte. To avoid
<------><------> * dealing with floating point we can round the values up
<------><------> * to the nearest whole number ratio which gives us 128 / 125.
<------><------> */
<------><------>tc_rate = (rate * 128) / 125;
<------><------>/* try to keep the rate limiting accurate by increasing
<------><------> * the number of credits and interval for rates less than 4Gb/s
<------><------> */
<------><------>if (rate < 4000)
<------><------><------>interval <<= 1;
<------><------>else
<------><------><------>tc_rate >>= 1;
<------>}
<------>/* update rate limiter with new values */
<------>fm10k_write_reg(hw, FM10K_TC_RATE(vf_idx), tc_rate | interval);
<------>fm10k_write_reg(hw, FM10K_TC_MAXCREDIT(vf_idx), FM10K_TC_MAXCREDIT_64K);
<------>fm10k_write_reg(hw, FM10K_TC_CREDIT(vf_idx), FM10K_TC_MAXCREDIT_64K);
<------>return 0;
}
/**
* fm10k_iov_assign_int_moderator_pf - Add VF interrupts to moderator list
* @hw: pointer to the HW structure
* @vf_idx: index of VF receiving GLORT
*
* Update the interrupt moderator linked list to include any MSI-X
* interrupts which the VF has enabled in the MSI-X vector table.
**/
static s32 fm10k_iov_assign_int_moderator_pf(struct fm10k_hw *hw, u16 vf_idx)
{
<------>u16 vf_v_idx, vf_v_limit, i;
<------>/* verify vf is in range */
<------>if (vf_idx >= hw->iov.num_vfs)
<------><------>return FM10K_ERR_PARAM;
<------>/* determine vector offset and count */
<------>vf_v_idx = fm10k_vf_vector_index(hw, vf_idx);
<------>vf_v_limit = vf_v_idx + fm10k_vectors_per_pool(hw);
<------>/* search for first vector that is not masked */
<------>for (i = vf_v_limit - 1; i > vf_v_idx; i--) {
<------><------>if (!fm10k_read_reg(hw, FM10K_MSIX_VECTOR_MASK(i)))
<------><------><------>break;
<------>}
<------>/* reset linked list so it now includes our active vectors */
<------>if (vf_idx == (hw->iov.num_vfs - 1))
<------><------>fm10k_write_reg(hw, FM10K_ITR2(0), i);
<------>else
<------><------>fm10k_write_reg(hw, FM10K_ITR2(vf_v_limit), i);
<------>return 0;
}
/**
* fm10k_iov_assign_default_mac_vlan_pf - Assign a MAC and VLAN to VF
* @hw: pointer to the HW structure
* @vf_info: pointer to VF information structure
*
* Assign a MAC address and default VLAN to a VF and notify it of the update
**/
static s32 fm10k_iov_assign_default_mac_vlan_pf(struct fm10k_hw *hw,
<------><------><------><------><------><------>struct fm10k_vf_info *vf_info)
{
<------>u16 qmap_stride, queues_per_pool, vf_q_idx, timeout, qmap_idx, i;
<------>u32 msg[4], txdctl, txqctl, tdbal = 0, tdbah = 0;
<------>s32 err = 0;
<------>u16 vf_idx, vf_vid;
<------>/* verify vf is in range */
<------>if (!vf_info || vf_info->vf_idx >= hw->iov.num_vfs)
<------><------>return FM10K_ERR_PARAM;
<------>/* determine qmap offsets and counts */
<------>qmap_stride = (hw->iov.num_vfs > 8) ? 32 : 256;
<------>queues_per_pool = fm10k_queues_per_pool(hw);
<------>/* calculate starting index for queues */
<------>vf_idx = vf_info->vf_idx;
<------>vf_q_idx = fm10k_vf_queue_index(hw, vf_idx);
<------>qmap_idx = qmap_stride * vf_idx;
<------>/* Determine correct default VLAN ID. The FM10K_VLAN_OVERRIDE bit is
<------> * used here to indicate to the VF that it will not have privilege to
<------> * write VLAN_TABLE. All policy is enforced on the PF but this allows
<------> * the VF to correctly report errors to userspace requests.
<------> */
<------>if (vf_info->pf_vid)
<------><------>vf_vid = vf_info->pf_vid | FM10K_VLAN_OVERRIDE;
<------>else
<------><------>vf_vid = vf_info->sw_vid;
<------>/* generate MAC_ADDR request */
<------>fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
<------>fm10k_tlv_attr_put_mac_vlan(msg, FM10K_MAC_VLAN_MSG_DEFAULT_MAC,
<------><------><------><------> vf_info->mac, vf_vid);
<------>/* Configure Queue control register with new VLAN ID. The TXQCTL
<------> * register is RO from the VF, so the PF must do this even in the
<------> * case of notifying the VF of a new VID via the mailbox.
<------> */
<------>txqctl = ((u32)vf_vid << FM10K_TXQCTL_VID_SHIFT) &
<------><------> FM10K_TXQCTL_VID_MASK;
<------>txqctl |= (vf_idx << FM10K_TXQCTL_TC_SHIFT) |
<------><------> FM10K_TXQCTL_VF | vf_idx;
<------>for (i = 0; i < queues_per_pool; i++)
<------><------>fm10k_write_reg(hw, FM10K_TXQCTL(vf_q_idx + i), txqctl);
<------>/* try loading a message onto outgoing mailbox first */
<------>if (vf_info->mbx.ops.enqueue_tx) {
<------><------>err = vf_info->mbx.ops.enqueue_tx(hw, &vf_info->mbx, msg);
<------><------>if (err != FM10K_MBX_ERR_NO_MBX)
<------><------><------>return err;
<------><------>err = 0;
<------>}
<------>/* If we aren't connected to a mailbox, this is most likely because
<------> * the VF driver is not running. It should thus be safe to re-map
<------> * queues and use the registers to pass the MAC address so that the VF
<------> * driver gets correct information during its initialization.
<------> */
<------>/* MAP Tx queue back to 0 temporarily, and disable it */
<------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx), 0);
<------>fm10k_write_reg(hw, FM10K_TXDCTL(vf_q_idx), 0);
<------>/* verify ring has disabled before modifying base address registers */
<------>txdctl = fm10k_read_reg(hw, FM10K_TXDCTL(vf_q_idx));
<------>for (timeout = 0; txdctl & FM10K_TXDCTL_ENABLE; timeout++) {
<------><------>/* limit ourselves to a 1ms timeout */
<------><------>if (timeout == 10) {
<------><------><------>err = FM10K_ERR_DMA_PENDING;
<------><------><------>goto err_out;
<------><------>}
<------><------>usleep_range(100, 200);
<------><------>txdctl = fm10k_read_reg(hw, FM10K_TXDCTL(vf_q_idx));
<------>}
<------>/* Update base address registers to contain MAC address */
<------>if (is_valid_ether_addr(vf_info->mac)) {
<------><------>tdbal = (((u32)vf_info->mac[3]) << 24) |
<------><------><------>(((u32)vf_info->mac[4]) << 16) |
<------><------><------>(((u32)vf_info->mac[5]) << 8);
<------><------>tdbah = (((u32)0xFF) << 24) |
<------><------><------>(((u32)vf_info->mac[0]) << 16) |
<------><------><------>(((u32)vf_info->mac[1]) << 8) |
<------><------><------>((u32)vf_info->mac[2]);
<------>}
<------>/* Record the base address into queue 0 */
<------>fm10k_write_reg(hw, FM10K_TDBAL(vf_q_idx), tdbal);
<------>fm10k_write_reg(hw, FM10K_TDBAH(vf_q_idx), tdbah);
<------>/* Provide the VF the ITR scale, using software-defined fields in TDLEN
<------> * to pass the information during VF initialization. See definition of
<------> * FM10K_TDLEN_ITR_SCALE_SHIFT for more details.
<------> */
<------>fm10k_write_reg(hw, FM10K_TDLEN(vf_q_idx), hw->mac.itr_scale <<
<------><------><------><------><------><------> FM10K_TDLEN_ITR_SCALE_SHIFT);
err_out:
<------>/* restore the queue back to VF ownership */
<------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx), vf_q_idx);
<------>return err;
}
/**
* fm10k_iov_reset_resources_pf - Reassign queues and interrupts to a VF
* @hw: pointer to the HW structure
* @vf_info: pointer to VF information structure
*
* Reassign the interrupts and queues to a VF following an FLR
**/
static s32 fm10k_iov_reset_resources_pf(struct fm10k_hw *hw,
<------><------><------><------><------>struct fm10k_vf_info *vf_info)
{
<------>u16 qmap_stride, queues_per_pool, vf_q_idx, qmap_idx;
<------>u32 tdbal = 0, tdbah = 0, txqctl, rxqctl;
<------>u16 vf_v_idx, vf_v_limit, vf_vid;
<------>u8 vf_idx = vf_info->vf_idx;
<------>int i;
<------>/* verify vf is in range */
<------>if (vf_idx >= hw->iov.num_vfs)
<------><------>return FM10K_ERR_PARAM;
<------>/* clear event notification of VF FLR */
<------>fm10k_write_reg(hw, FM10K_PFVFLREC(vf_idx / 32), BIT(vf_idx % 32));
<------>/* force timeout and then disconnect the mailbox */
<------>vf_info->mbx.timeout = 0;
<------>if (vf_info->mbx.ops.disconnect)
<------><------>vf_info->mbx.ops.disconnect(hw, &vf_info->mbx);
<------>/* determine vector offset and count */
<------>vf_v_idx = fm10k_vf_vector_index(hw, vf_idx);
<------>vf_v_limit = vf_v_idx + fm10k_vectors_per_pool(hw);
<------>/* determine qmap offsets and counts */
<------>qmap_stride = (hw->iov.num_vfs > 8) ? 32 : 256;
<------>queues_per_pool = fm10k_queues_per_pool(hw);
<------>qmap_idx = qmap_stride * vf_idx;
<------>/* make all the queues inaccessible to the VF */
<------>for (i = qmap_idx; i < (qmap_idx + qmap_stride); i++) {
<------><------>fm10k_write_reg(hw, FM10K_TQMAP(i), 0);
<------><------>fm10k_write_reg(hw, FM10K_RQMAP(i), 0);
<------>}
<------>/* calculate starting index for queues */
<------>vf_q_idx = fm10k_vf_queue_index(hw, vf_idx);
<------>/* determine correct default VLAN ID */
<------>if (vf_info->pf_vid)
<------><------>vf_vid = vf_info->pf_vid;
<------>else
<------><------>vf_vid = vf_info->sw_vid;
<------>/* configure Queue control register */
<------>txqctl = ((u32)vf_vid << FM10K_TXQCTL_VID_SHIFT) |
<------><------> (vf_idx << FM10K_TXQCTL_TC_SHIFT) |
<------><------> FM10K_TXQCTL_VF | vf_idx;
<------>rxqctl = (vf_idx << FM10K_RXQCTL_VF_SHIFT) | FM10K_RXQCTL_VF;
<------>/* stop further DMA and reset queue ownership back to VF */
<------>for (i = vf_q_idx; i < (queues_per_pool + vf_q_idx); i++) {
<------><------>fm10k_write_reg(hw, FM10K_TXDCTL(i), 0);
<------><------>fm10k_write_reg(hw, FM10K_TXQCTL(i), txqctl);
<------><------>fm10k_write_reg(hw, FM10K_RXDCTL(i),
<------><------><------><------>FM10K_RXDCTL_WRITE_BACK_MIN_DELAY |
<------><------><------><------>FM10K_RXDCTL_DROP_ON_EMPTY);
<------><------>fm10k_write_reg(hw, FM10K_RXQCTL(i), rxqctl);
<------>}
<------>/* reset TC with -1 credits and no quanta to prevent transmit */
<------>fm10k_write_reg(hw, FM10K_TC_MAXCREDIT(vf_idx), 0);
<------>fm10k_write_reg(hw, FM10K_TC_RATE(vf_idx), 0);
<------>fm10k_write_reg(hw, FM10K_TC_CREDIT(vf_idx),
<------><------><------>FM10K_TC_CREDIT_CREDIT_MASK);
<------>/* update our first entry in the table based on previous VF */
<------>if (!vf_idx)
<------><------>hw->mac.ops.update_int_moderator(hw);
<------>else
<------><------>hw->iov.ops.assign_int_moderator(hw, vf_idx - 1);
<------>/* reset linked list so it now includes our active vectors */
<------>if (vf_idx == (hw->iov.num_vfs - 1))
<------><------>fm10k_write_reg(hw, FM10K_ITR2(0), vf_v_idx);
<------>else
<------><------>fm10k_write_reg(hw, FM10K_ITR2(vf_v_limit), vf_v_idx);
<------>/* link remaining vectors so that next points to previous */
<------>for (vf_v_idx++; vf_v_idx < vf_v_limit; vf_v_idx++)
<------><------>fm10k_write_reg(hw, FM10K_ITR2(vf_v_idx), vf_v_idx - 1);
<------>/* zero out MBMEM, VLAN_TABLE, RETA, RSSRK, and MRQC registers */
<------>for (i = FM10K_VFMBMEM_LEN; i--;)
<------><------>fm10k_write_reg(hw, FM10K_MBMEM_VF(vf_idx, i), 0);
<------>for (i = FM10K_VLAN_TABLE_SIZE; i--;)
<------><------>fm10k_write_reg(hw, FM10K_VLAN_TABLE(vf_info->vsi, i), 0);
<------>for (i = FM10K_RETA_SIZE; i--;)
<------><------>fm10k_write_reg(hw, FM10K_RETA(vf_info->vsi, i), 0);
<------>for (i = FM10K_RSSRK_SIZE; i--;)
<------><------>fm10k_write_reg(hw, FM10K_RSSRK(vf_info->vsi, i), 0);
<------>fm10k_write_reg(hw, FM10K_MRQC(vf_info->vsi), 0);
<------>/* Update base address registers to contain MAC address */
<------>if (is_valid_ether_addr(vf_info->mac)) {
<------><------>tdbal = (((u32)vf_info->mac[3]) << 24) |
<------><------><------>(((u32)vf_info->mac[4]) << 16) |
<------><------><------>(((u32)vf_info->mac[5]) << 8);
<------><------>tdbah = (((u32)0xFF) << 24) |
<------><------><------>(((u32)vf_info->mac[0]) << 16) |
<------><------><------>(((u32)vf_info->mac[1]) << 8) |
<------><------><------>((u32)vf_info->mac[2]);
<------>}
<------>/* map queue pairs back to VF from last to first */
<------>for (i = queues_per_pool; i--;) {
<------><------>fm10k_write_reg(hw, FM10K_TDBAL(vf_q_idx + i), tdbal);
<------><------>fm10k_write_reg(hw, FM10K_TDBAH(vf_q_idx + i), tdbah);
<------><------>/* See definition of FM10K_TDLEN_ITR_SCALE_SHIFT for an
<------><------> * explanation of how TDLEN is used.
<------><------> */
<------><------>fm10k_write_reg(hw, FM10K_TDLEN(vf_q_idx + i),
<------><------><------><------>hw->mac.itr_scale <<
<------><------><------><------>FM10K_TDLEN_ITR_SCALE_SHIFT);
<------><------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx + i), vf_q_idx + i);
<------><------>fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx + i), vf_q_idx + i);
<------>}
<------>/* repeat the first ring for all the remaining VF rings */
<------>for (i = queues_per_pool; i < qmap_stride; i++) {
<------><------>fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx + i), vf_q_idx);
<------><------>fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx + i), vf_q_idx);
<------>}
<------>return 0;
}
/**
* fm10k_iov_set_lport_pf - Assign and enable a logical port for a given VF
* @hw: pointer to hardware structure
* @vf_info: pointer to VF information structure
* @lport_idx: Logical port offset from the hardware glort
* @flags: Set of capability flags to extend port beyond basic functionality
*
* This function allows enabling a VF port by assigning it a GLORT and
* setting the flags so that it can enable an Rx mode.
**/
static s32 fm10k_iov_set_lport_pf(struct fm10k_hw *hw,
<------><------><------><------> struct fm10k_vf_info *vf_info,
<------><------><------><------> u16 lport_idx, u8 flags)
{
<------>u16 glort = (hw->mac.dglort_map + lport_idx) & FM10K_DGLORTMAP_NONE;
<------>/* if glort is not valid return error */
<------>if (!fm10k_glort_valid_pf(hw, glort))
<------><------>return FM10K_ERR_PARAM;
<------>vf_info->vf_flags = flags | FM10K_VF_FLAG_NONE_CAPABLE;
<------>vf_info->glort = glort;
<------>return 0;
}
/**
* fm10k_iov_reset_lport_pf - Disable a logical port for a given VF
* @hw: pointer to hardware structure
* @vf_info: pointer to VF information structure
*
* This function disables a VF port by stripping it of a GLORT and
* setting the flags so that it cannot enable any Rx mode.
**/
static void fm10k_iov_reset_lport_pf(struct fm10k_hw *hw,
<------><------><------><------> struct fm10k_vf_info *vf_info)
{
<------>u32 msg[1];
<------>/* need to disable the port if it is already enabled */
<------>if (FM10K_VF_FLAG_ENABLED(vf_info)) {
<------><------>/* notify switch that this port has been disabled */
<------><------>fm10k_update_lport_state_pf(hw, vf_info->glort, 1, false);
<------><------>/* generate port state response to notify VF it is not ready */
<------><------>fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_LPORT_STATE);
<------><------>vf_info->mbx.ops.enqueue_tx(hw, &vf_info->mbx, msg);
<------>}
<------>/* clear flags and glort if it exists */
<------>vf_info->vf_flags = 0;
<------>vf_info->glort = 0;
}
/**
* fm10k_iov_update_stats_pf - Updates hardware related statistics for VFs
* @hw: pointer to hardware structure
* @q: stats for all queues of a VF
* @vf_idx: index of VF
*
* This function collects queue stats for VFs.
**/
static void fm10k_iov_update_stats_pf(struct fm10k_hw *hw,
<------><------><------><------> struct fm10k_hw_stats_q *q,
<------><------><------><------> u16 vf_idx)
{
<------>u32 idx, qpp;
<------>/* get stats for all of the queues */
<------>qpp = fm10k_queues_per_pool(hw);
<------>idx = fm10k_vf_queue_index(hw, vf_idx);
<------>fm10k_update_hw_stats_q(hw, q, idx, qpp);
}
/**
* fm10k_iov_msg_msix_pf - Message handler for MSI-X request from VF
* @hw: Pointer to hardware structure
* @results: Pointer array to message, results[0] is pointer to message
* @mbx: Pointer to mailbox information structure
*
* This function is a default handler for MSI-X requests from the VF. The
* assumption is that in this case it is acceptable to just directly
* hand off the message from the VF to the underlying shared code.
**/
s32 fm10k_iov_msg_msix_pf(struct fm10k_hw *hw, u32 __always_unused **results,
<------><------><------> struct fm10k_mbx_info *mbx)
{
<------>struct fm10k_vf_info *vf_info = (struct fm10k_vf_info *)mbx;
<------>u8 vf_idx = vf_info->vf_idx;
<------>return hw->iov.ops.assign_int_moderator(hw, vf_idx);
}
/**
* fm10k_iov_select_vid - Select correct default VLAN ID
* @vf_info: pointer to VF information structure
* @vid: VLAN ID to correct
*
* Will report an error if the VLAN ID is out of range. For VID = 0, it will
* return either the pf_vid or sw_vid depending on which one is set.
*/
s32 fm10k_iov_select_vid(struct fm10k_vf_info *vf_info, u16 vid)
{
<------>if (!vid)
<------><------>return vf_info->pf_vid ? vf_info->pf_vid : vf_info->sw_vid;
<------>else if (vf_info->pf_vid && vid != vf_info->pf_vid)
<------><------>return FM10K_ERR_PARAM;
<------>else
<------><------>return vid;
}
/**
* fm10k_iov_msg_mac_vlan_pf - Message handler for MAC/VLAN request from VF
* @hw: Pointer to hardware structure
* @results: Pointer array to message, results[0] is pointer to message
* @mbx: Pointer to mailbox information structure
*
* This function is a default handler for MAC/VLAN requests from the VF.
* The assumption is that in this case it is acceptable to just directly
* hand off the message from the VF to the underlying shared code.
**/
s32 fm10k_iov_msg_mac_vlan_pf(struct fm10k_hw *hw, u32 **results,
<------><------><------> struct fm10k_mbx_info *mbx)
{
<------>struct fm10k_vf_info *vf_info = (struct fm10k_vf_info *)mbx;
<------>u8 mac[ETH_ALEN];
<------>u32 *result;
<------>int err = 0;
<------>bool set;
<------>u16 vlan;
<------>u32 vid;
<------>/* we shouldn't be updating rules on a disabled interface */
<------>if (!FM10K_VF_FLAG_ENABLED(vf_info))
<------><------>err = FM10K_ERR_PARAM;
<------>if (!err && !!results[FM10K_MAC_VLAN_MSG_VLAN]) {
<------><------>result = results[FM10K_MAC_VLAN_MSG_VLAN];
<------><------>/* record VLAN id requested */
<------><------>err = fm10k_tlv_attr_get_u32(result, &vid);
<------><------>if (err)
<------><------><------>return err;
<------><------>set = !(vid & FM10K_VLAN_CLEAR);
<------><------>vid &= ~FM10K_VLAN_CLEAR;
<------><------>/* if the length field has been set, this is a multi-bit
<------><------> * update request. For multi-bit requests, simply disallow
<------><------> * them when the pf_vid has been set. In this case, the PF
<------><------> * should have already cleared the VLAN_TABLE, and if we
<------><------> * allowed them, it could allow a rogue VF to receive traffic
<------><------> * on a VLAN it was not assigned. In the single-bit case, we
<------><------> * need to modify requests for VLAN 0 to use the default PF or
<------><------> * SW vid when assigned.
<------><------> */
<------><------>if (vid >> 16) {
<------><------><------>/* prevent multi-bit requests when PF has
<------><------><------> * administratively set the VLAN for this VF
<------><------><------> */
<------><------><------>if (vf_info->pf_vid)
<------><------><------><------>return FM10K_ERR_PARAM;
<------><------>} else {
<------><------><------>err = fm10k_iov_select_vid(vf_info, (u16)vid);
<------><------><------>if (err < 0)
<------><------><------><------>return err;
<------><------><------>vid = err;
<------><------>}
<------><------>/* update VSI info for VF in regards to VLAN table */
<------><------>err = hw->mac.ops.update_vlan(hw, vid, vf_info->vsi, set);
<------>}
<------>if (!err && !!results[FM10K_MAC_VLAN_MSG_MAC]) {
<------><------>result = results[FM10K_MAC_VLAN_MSG_MAC];
<------><------>/* record unicast MAC address requested */
<------><------>err = fm10k_tlv_attr_get_mac_vlan(result, mac, &vlan);
<------><------>if (err)
<------><------><------>return err;
<------><------>/* block attempts to set MAC for a locked device */
<------><------>if (is_valid_ether_addr(vf_info->mac) &&
<------><------> !ether_addr_equal(mac, vf_info->mac))
<------><------><------>return FM10K_ERR_PARAM;
<------><------>set = !(vlan & FM10K_VLAN_CLEAR);
<------><------>vlan &= ~FM10K_VLAN_CLEAR;
<------><------>err = fm10k_iov_select_vid(vf_info, vlan);
<------><------>if (err < 0)
<------><------><------>return err;
<------><------>vlan = (u16)err;
<------><------>/* notify switch of request for new unicast address */
<------><------>err = hw->mac.ops.update_uc_addr(hw, vf_info->glort,
<------><------><------><------><------><------> mac, vlan, set, 0);
<------>}
<------>if (!err && !!results[FM10K_MAC_VLAN_MSG_MULTICAST]) {
<------><------>result = results[FM10K_MAC_VLAN_MSG_MULTICAST];
<------><------>/* record multicast MAC address requested */
<------><------>err = fm10k_tlv_attr_get_mac_vlan(result, mac, &vlan);
<------><------>if (err)
<------><------><------>return err;
<------><------>/* verify that the VF is allowed to request multicast */
<------><------>if (!(vf_info->vf_flags & FM10K_VF_FLAG_MULTI_ENABLED))
<------><------><------>return FM10K_ERR_PARAM;
<------><------>set = !(vlan & FM10K_VLAN_CLEAR);
<------><------>vlan &= ~FM10K_VLAN_CLEAR;
<------><------>err = fm10k_iov_select_vid(vf_info, vlan);
<------><------>if (err < 0)
<------><------><------>return err;
<------><------>vlan = (u16)err;
<------><------>/* notify switch of request for new multicast address */
<------><------>err = hw->mac.ops.update_mc_addr(hw, vf_info->glort,
<------><------><------><------><------><------> mac, vlan, set);
<------>}
<------>return err;
}
/**
* fm10k_iov_supported_xcast_mode_pf - Determine best match for xcast mode
* @vf_info: VF info structure containing capability flags
* @mode: Requested xcast mode
*
* This function outputs the mode that most closely matches the requested
* mode. If not modes match it will request we disable the port
**/
static u8 fm10k_iov_supported_xcast_mode_pf(struct fm10k_vf_info *vf_info,
<------><------><------><------><------> u8 mode)
{
<------>u8 vf_flags = vf_info->vf_flags;
<------>/* match up mode to capabilities as best as possible */
<------>switch (mode) {
<------>case FM10K_XCAST_MODE_PROMISC:
<------><------>if (vf_flags & FM10K_VF_FLAG_PROMISC_CAPABLE)
<------><------><------>return FM10K_XCAST_MODE_PROMISC;
<------><------>fallthrough;
<------>case FM10K_XCAST_MODE_ALLMULTI:
<------><------>if (vf_flags & FM10K_VF_FLAG_ALLMULTI_CAPABLE)
<------><------><------>return FM10K_XCAST_MODE_ALLMULTI;
<------><------>fallthrough;
<------>case FM10K_XCAST_MODE_MULTI:
<------><------>if (vf_flags & FM10K_VF_FLAG_MULTI_CAPABLE)
<------><------><------>return FM10K_XCAST_MODE_MULTI;
<------><------>fallthrough;
<------>case FM10K_XCAST_MODE_NONE:
<------><------>if (vf_flags & FM10K_VF_FLAG_NONE_CAPABLE)
<------><------><------>return FM10K_XCAST_MODE_NONE;
<------><------>fallthrough;
<------>default:
<------><------>break;
<------>}
<------>/* disable interface as it should not be able to request any */
<------>return FM10K_XCAST_MODE_DISABLE;
}
/**
* fm10k_iov_msg_lport_state_pf - Message handler for port state requests
* @hw: Pointer to hardware structure
* @results: Pointer array to message, results[0] is pointer to message
* @mbx: Pointer to mailbox information structure
*
* This function is a default handler for port state requests. The port
* state requests for now are basic and consist of enabling or disabling
* the port.
**/
s32 fm10k_iov_msg_lport_state_pf(struct fm10k_hw *hw, u32 **results,
<------><------><------><------> struct fm10k_mbx_info *mbx)
{
<------>struct fm10k_vf_info *vf_info = (struct fm10k_vf_info *)mbx;
<------>s32 err = 0;
<------>u32 msg[2];
<------>u8 mode = 0;
<------>/* verify VF is allowed to enable even minimal mode */
<------>if (!(vf_info->vf_flags & FM10K_VF_FLAG_NONE_CAPABLE))
<------><------>return FM10K_ERR_PARAM;
<------>if (!!results[FM10K_LPORT_STATE_MSG_XCAST_MODE]) {
<------><------>u32 *result = results[FM10K_LPORT_STATE_MSG_XCAST_MODE];
<------><------>/* XCAST mode update requested */
<------><------>err = fm10k_tlv_attr_get_u8(result, &mode);
<------><------>if (err)
<------><------><------>return FM10K_ERR_PARAM;
<------><------>/* prep for possible demotion depending on capabilities */
<------><------>mode = fm10k_iov_supported_xcast_mode_pf(vf_info, mode);
<------><------>/* if mode is not currently enabled, enable it */
<------><------>if (!(FM10K_VF_FLAG_ENABLED(vf_info) & BIT(mode)))
<------><------><------>fm10k_update_xcast_mode_pf(hw, vf_info->glort, mode);
<------><------>/* swap mode back to a bit flag */
<------><------>mode = FM10K_VF_FLAG_SET_MODE(mode);
<------>} else if (!results[FM10K_LPORT_STATE_MSG_DISABLE]) {
<------><------>/* need to disable the port if it is already enabled */
<------><------>if (FM10K_VF_FLAG_ENABLED(vf_info))
<------><------><------>err = fm10k_update_lport_state_pf(hw, vf_info->glort,
<------><------><------><------><------><------><------> 1, false);
<------><------>/* we need to clear VF_FLAG_ENABLED flags in order to ensure
<------><------> * that we actually re-enable the LPORT state below. Note that
<------><------> * this has no impact if the VF is already disabled, as the
<------><------> * flags are already cleared.
<------><------> */
<------><------>if (!err)
<------><------><------>vf_info->vf_flags = FM10K_VF_FLAG_CAPABLE(vf_info);
<------><------>/* when enabling the port we should reset the rate limiters */
<------><------>hw->iov.ops.configure_tc(hw, vf_info->vf_idx, vf_info->rate);
<------><------>/* set mode for minimal functionality */
<------><------>mode = FM10K_VF_FLAG_SET_MODE_NONE;
<------><------>/* generate port state response to notify VF it is ready */
<------><------>fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_LPORT_STATE);
<------><------>fm10k_tlv_attr_put_bool(msg, FM10K_LPORT_STATE_MSG_READY);
<------><------>mbx->ops.enqueue_tx(hw, mbx, msg);
<------>}
<------>/* if enable state toggled note the update */
<------>if (!err && (!FM10K_VF_FLAG_ENABLED(vf_info) != !mode))
<------><------>err = fm10k_update_lport_state_pf(hw, vf_info->glort, 1,
<------><------><------><------><------><------> !!mode);
<------>/* if state change succeeded, then update our stored state */
<------>mode |= FM10K_VF_FLAG_CAPABLE(vf_info);
<------>if (!err)
<------><------>vf_info->vf_flags = mode;
<------>return err;
}
/**
* fm10k_update_stats_hw_pf - Updates hardware related statistics of PF
* @hw: pointer to hardware structure
* @stats: pointer to the stats structure to update
*
* This function collects and aggregates global and per queue hardware
* statistics.
**/
static void fm10k_update_hw_stats_pf(struct fm10k_hw *hw,
<------><------><------><------> struct fm10k_hw_stats *stats)
{
<------>u32 timeout, ur, ca, um, xec, vlan_drop, loopback_drop, nodesc_drop;
<------>u32 id, id_prev;
<------>/* Use Tx queue 0 as a canary to detect a reset */
<------>id = fm10k_read_reg(hw, FM10K_TXQCTL(0));
<------>/* Read Global Statistics */
<------>do {
<------><------>timeout = fm10k_read_hw_stats_32b(hw, FM10K_STATS_TIMEOUT,
<------><------><------><------><------><------> &stats->timeout);
<------><------>ur = fm10k_read_hw_stats_32b(hw, FM10K_STATS_UR, &stats->ur);
<------><------>ca = fm10k_read_hw_stats_32b(hw, FM10K_STATS_CA, &stats->ca);
<------><------>um = fm10k_read_hw_stats_32b(hw, FM10K_STATS_UM, &stats->um);
<------><------>xec = fm10k_read_hw_stats_32b(hw, FM10K_STATS_XEC, &stats->xec);
<------><------>vlan_drop = fm10k_read_hw_stats_32b(hw, FM10K_STATS_VLAN_DROP,
<------><------><------><------><------><------> &stats->vlan_drop);
<------><------>loopback_drop =
<------><------><------>fm10k_read_hw_stats_32b(hw,
<------><------><------><------><------><------>FM10K_STATS_LOOPBACK_DROP,
<------><------><------><------><------><------>&stats->loopback_drop);
<------><------>nodesc_drop = fm10k_read_hw_stats_32b(hw,
<------><------><------><------><------><------> FM10K_STATS_NODESC_DROP,
<------><------><------><------><------><------> &stats->nodesc_drop);
<------><------>/* if value has not changed then we have consistent data */
<------><------>id_prev = id;
<------><------>id = fm10k_read_reg(hw, FM10K_TXQCTL(0));
<------>} while ((id ^ id_prev) & FM10K_TXQCTL_ID_MASK);
<------>/* drop non-ID bits and set VALID ID bit */
<------>id &= FM10K_TXQCTL_ID_MASK;
<------>id |= FM10K_STAT_VALID;
<------>/* Update Global Statistics */
<------>if (stats->stats_idx == id) {
<------><------>stats->timeout.count += timeout;
<------><------>stats->ur.count += ur;
<------><------>stats->ca.count += ca;
<------><------>stats->um.count += um;
<------><------>stats->xec.count += xec;
<------><------>stats->vlan_drop.count += vlan_drop;
<------><------>stats->loopback_drop.count += loopback_drop;
<------><------>stats->nodesc_drop.count += nodesc_drop;
<------>}
<------>/* Update bases and record current PF id */
<------>fm10k_update_hw_base_32b(&stats->timeout, timeout);
<------>fm10k_update_hw_base_32b(&stats->ur, ur);
<------>fm10k_update_hw_base_32b(&stats->ca, ca);
<------>fm10k_update_hw_base_32b(&stats->um, um);
<------>fm10k_update_hw_base_32b(&stats->xec, xec);
<------>fm10k_update_hw_base_32b(&stats->vlan_drop, vlan_drop);
<------>fm10k_update_hw_base_32b(&stats->loopback_drop, loopback_drop);
<------>fm10k_update_hw_base_32b(&stats->nodesc_drop, nodesc_drop);
<------>stats->stats_idx = id;
<------>/* Update Queue Statistics */
<------>fm10k_update_hw_stats_q(hw, stats->q, 0, hw->mac.max_queues);
}
/**
* fm10k_rebind_hw_stats_pf - Resets base for hardware statistics of PF
* @hw: pointer to hardware structure
* @stats: pointer to the stats structure to update
*
* This function resets the base for global and per queue hardware
* statistics.
**/
static void fm10k_rebind_hw_stats_pf(struct fm10k_hw *hw,
<------><------><------><------> struct fm10k_hw_stats *stats)
{
<------>/* Unbind Global Statistics */
<------>fm10k_unbind_hw_stats_32b(&stats->timeout);
<------>fm10k_unbind_hw_stats_32b(&stats->ur);
<------>fm10k_unbind_hw_stats_32b(&stats->ca);
<------>fm10k_unbind_hw_stats_32b(&stats->um);
<------>fm10k_unbind_hw_stats_32b(&stats->xec);
<------>fm10k_unbind_hw_stats_32b(&stats->vlan_drop);
<------>fm10k_unbind_hw_stats_32b(&stats->loopback_drop);
<------>fm10k_unbind_hw_stats_32b(&stats->nodesc_drop);
<------>/* Unbind Queue Statistics */
<------>fm10k_unbind_hw_stats_q(stats->q, 0, hw->mac.max_queues);
<------>/* Reinitialize bases for all stats */
<------>fm10k_update_hw_stats_pf(hw, stats);
}
/**
* fm10k_set_dma_mask_pf - Configures PhyAddrSpace to limit DMA to system
* @hw: pointer to hardware structure
* @dma_mask: 64 bit DMA mask required for platform
*
* This function sets the PHYADDR.PhyAddrSpace bits for the endpoint in order
* to limit the access to memory beyond what is physically in the system.
**/
static void fm10k_set_dma_mask_pf(struct fm10k_hw *hw, u64 dma_mask)
{
<------>/* we need to write the upper 32 bits of DMA mask to PhyAddrSpace */
<------>u32 phyaddr = (u32)(dma_mask >> 32);
<------>fm10k_write_reg(hw, FM10K_PHYADDR, phyaddr);
}
/**
* fm10k_get_fault_pf - Record a fault in one of the interface units
* @hw: pointer to hardware structure
* @type: pointer to fault type register offset
* @fault: pointer to memory location to record the fault
*
* Record the fault register contents to the fault data structure and
* clear the entry from the register.
*
* Returns ERR_PARAM if invalid register is specified or no error is present.
**/
static s32 fm10k_get_fault_pf(struct fm10k_hw *hw, int type,
<------><------><------> struct fm10k_fault *fault)
{
<------>u32 func;
<------>/* verify the fault register is in range and is aligned */
<------>switch (type) {
<------>case FM10K_PCA_FAULT:
<------>case FM10K_THI_FAULT:
<------>case FM10K_FUM_FAULT:
<------><------>break;
<------>default:
<------><------>return FM10K_ERR_PARAM;
<------>}
<------>/* only service faults that are valid */
<------>func = fm10k_read_reg(hw, type + FM10K_FAULT_FUNC);
<------>if (!(func & FM10K_FAULT_FUNC_VALID))
<------><------>return FM10K_ERR_PARAM;
<------>/* read remaining fields */
<------>fault->address = fm10k_read_reg(hw, type + FM10K_FAULT_ADDR_HI);
<------>fault->address <<= 32;
<------>fault->address |= fm10k_read_reg(hw, type + FM10K_FAULT_ADDR_LO);
<------>fault->specinfo = fm10k_read_reg(hw, type + FM10K_FAULT_SPECINFO);
<------>/* clear valid bit to allow for next error */
<------>fm10k_write_reg(hw, type + FM10K_FAULT_FUNC, FM10K_FAULT_FUNC_VALID);
<------>/* Record which function triggered the error */
<------>if (func & FM10K_FAULT_FUNC_PF)
<------><------>fault->func = 0;
<------>else
<------><------>fault->func = 1 + ((func & FM10K_FAULT_FUNC_VF_MASK) >>
<------><------><------><------> FM10K_FAULT_FUNC_VF_SHIFT);
<------>/* record fault type */
<------>fault->type = func & FM10K_FAULT_FUNC_TYPE_MASK;
<------>return 0;
}
/**
* fm10k_request_lport_map_pf - Request LPORT map from the switch API
* @hw: pointer to hardware structure
*
**/
static s32 fm10k_request_lport_map_pf(struct fm10k_hw *hw)
{
<------>struct fm10k_mbx_info *mbx = &hw->mbx;
<------>u32 msg[1];
<------>/* issue request asking for LPORT map */
<------>fm10k_tlv_msg_init(msg, FM10K_PF_MSG_ID_LPORT_MAP);
<------>/* load onto outgoing mailbox */
<------>return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_get_host_state_pf - Returns the state of the switch and mailbox
* @hw: pointer to hardware structure
* @switch_ready: pointer to boolean value that will record switch state
*
* This function will check the DMA_CTRL2 register and mailbox in order
* to determine if the switch is ready for the PF to begin requesting
* addresses and mapping traffic to the local interface.
**/
static s32 fm10k_get_host_state_pf(struct fm10k_hw *hw, bool *switch_ready)
{
<------>u32 dma_ctrl2;
<------>/* verify the switch is ready for interaction */
<------>dma_ctrl2 = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
<------>if (!(dma_ctrl2 & FM10K_DMA_CTRL2_SWITCH_READY))
<------><------>return 0;
<------>/* retrieve generic host state info */
<------>return fm10k_get_host_state_generic(hw, switch_ready);
}
/* This structure defines the attibutes to be parsed below */
const struct fm10k_tlv_attr fm10k_lport_map_msg_attr[] = {
<------>FM10K_TLV_ATTR_LE_STRUCT(FM10K_PF_ATTR_ID_ERR,
<------><------><------><------> sizeof(struct fm10k_swapi_error)),
<------>FM10K_TLV_ATTR_U32(FM10K_PF_ATTR_ID_LPORT_MAP),
<------>FM10K_TLV_ATTR_LAST
};
/**
* fm10k_msg_lport_map_pf - Message handler for lport_map message from SM
* @hw: Pointer to hardware structure
* @results: pointer array containing parsed data
* @mbx: Pointer to mailbox information structure
*
* This handler configures the lport mapping based on the reply from the
* switch API.
**/
s32 fm10k_msg_lport_map_pf(struct fm10k_hw *hw, u32 **results,
<------><------><------> struct fm10k_mbx_info __always_unused *mbx)
{
<------>u16 glort, mask;
<------>u32 dglort_map;
<------>s32 err;
<------>err = fm10k_tlv_attr_get_u32(results[FM10K_PF_ATTR_ID_LPORT_MAP],
<------><------><------><------> &dglort_map);
<------>if (err)
<------><------>return err;
<------>/* extract values out of the header */
<------>glort = FM10K_MSG_HDR_FIELD_GET(dglort_map, LPORT_MAP_GLORT);
<------>mask = FM10K_MSG_HDR_FIELD_GET(dglort_map, LPORT_MAP_MASK);
<------>/* verify mask is set and none of the masked bits in glort are set */
<------>if (!mask || (glort & ~mask))
<------><------>return FM10K_ERR_PARAM;
<------>/* verify the mask is contiguous, and that it is 1's followed by 0's */
<------>if (((~(mask - 1) & mask) + mask) & FM10K_DGLORTMAP_NONE)
<------><------>return FM10K_ERR_PARAM;
<------>/* record the glort, mask, and port count */
<------>hw->mac.dglort_map = dglort_map;
<------>return 0;
}
const struct fm10k_tlv_attr fm10k_update_pvid_msg_attr[] = {
<------>FM10K_TLV_ATTR_U32(FM10K_PF_ATTR_ID_UPDATE_PVID),
<------>FM10K_TLV_ATTR_LAST
};
/**
* fm10k_msg_update_pvid_pf - Message handler for port VLAN message from SM
* @hw: Pointer to hardware structure
* @results: pointer array containing parsed data
* @mbx: Pointer to mailbox information structure
*
* This handler configures the default VLAN for the PF
**/
static s32 fm10k_msg_update_pvid_pf(struct fm10k_hw *hw, u32 **results,
<------><------><------><------> struct fm10k_mbx_info __always_unused *mbx)
{
<------>u16 glort, pvid;
<------>u32 pvid_update;
<------>s32 err;
<------>err = fm10k_tlv_attr_get_u32(results[FM10K_PF_ATTR_ID_UPDATE_PVID],
<------><------><------><------> &pvid_update);
<------>if (err)
<------><------>return err;
<------>/* extract values from the pvid update */
<------>glort = FM10K_MSG_HDR_FIELD_GET(pvid_update, UPDATE_PVID_GLORT);
<------>pvid = FM10K_MSG_HDR_FIELD_GET(pvid_update, UPDATE_PVID_PVID);
<------>/* if glort is not valid return error */
<------>if (!fm10k_glort_valid_pf(hw, glort))
<------><------>return FM10K_ERR_PARAM;
<------>/* verify VLAN ID is valid */
<------>if (pvid >= FM10K_VLAN_TABLE_VID_MAX)
<------><------>return FM10K_ERR_PARAM;
<------>/* record the port VLAN ID value */
<------>hw->mac.default_vid = pvid;
<------>return 0;
}
/**
* fm10k_record_global_table_data - Move global table data to swapi table info
* @from: pointer to source table data structure
* @to: pointer to destination table info structure
*
* This function is will copy table_data to the table_info contained in
* the hw struct.
**/
static void fm10k_record_global_table_data(struct fm10k_global_table_data *from,
<------><------><------><------><------> struct fm10k_swapi_table_info *to)
{
<------>/* convert from le32 struct to CPU byte ordered values */
<------>to->used = le32_to_cpu(from->used);
<------>to->avail = le32_to_cpu(from->avail);
}
const struct fm10k_tlv_attr fm10k_err_msg_attr[] = {
<------>FM10K_TLV_ATTR_LE_STRUCT(FM10K_PF_ATTR_ID_ERR,
<------><------><------><------> sizeof(struct fm10k_swapi_error)),
<------>FM10K_TLV_ATTR_LAST
};
/**
* fm10k_msg_err_pf - Message handler for error reply
* @hw: Pointer to hardware structure
* @results: pointer array containing parsed data
* @mbx: Pointer to mailbox information structure
*
* This handler will capture the data for any error replies to previous
* messages that the PF has sent.
**/
s32 fm10k_msg_err_pf(struct fm10k_hw *hw, u32 **results,
<------><------> struct fm10k_mbx_info __always_unused *mbx)
{
<------>struct fm10k_swapi_error err_msg;
<------>s32 err;
<------>/* extract structure from message */
<------>err = fm10k_tlv_attr_get_le_struct(results[FM10K_PF_ATTR_ID_ERR],
<------><------><------><------><------> &err_msg, sizeof(err_msg));
<------>if (err)
<------><------>return err;
<------>/* record table status */
<------>fm10k_record_global_table_data(&err_msg.mac, &hw->swapi.mac);
<------>fm10k_record_global_table_data(&err_msg.nexthop, &hw->swapi.nexthop);
<------>fm10k_record_global_table_data(&err_msg.ffu, &hw->swapi.ffu);
<------>/* record SW API status value */
<------>hw->swapi.status = le32_to_cpu(err_msg.status);
<------>return 0;
}
static const struct fm10k_msg_data fm10k_msg_data_pf[] = {
<------>FM10K_PF_MSG_ERR_HANDLER(XCAST_MODES, fm10k_msg_err_pf),
<------>FM10K_PF_MSG_ERR_HANDLER(UPDATE_MAC_FWD_RULE, fm10k_msg_err_pf),
<------>FM10K_PF_MSG_LPORT_MAP_HANDLER(fm10k_msg_lport_map_pf),
<------>FM10K_PF_MSG_ERR_HANDLER(LPORT_CREATE, fm10k_msg_err_pf),
<------>FM10K_PF_MSG_ERR_HANDLER(LPORT_DELETE, fm10k_msg_err_pf),
<------>FM10K_PF_MSG_UPDATE_PVID_HANDLER(fm10k_msg_update_pvid_pf),
<------>FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error),
};
static const struct fm10k_mac_ops mac_ops_pf = {
<------>.get_bus_info = fm10k_get_bus_info_generic,
<------>.reset_hw = fm10k_reset_hw_pf,
<------>.init_hw = fm10k_init_hw_pf,
<------>.start_hw = fm10k_start_hw_generic,
<------>.stop_hw = fm10k_stop_hw_generic,
<------>.update_vlan = fm10k_update_vlan_pf,
<------>.read_mac_addr = fm10k_read_mac_addr_pf,
<------>.update_uc_addr = fm10k_update_uc_addr_pf,
<------>.update_mc_addr = fm10k_update_mc_addr_pf,
<------>.update_xcast_mode = fm10k_update_xcast_mode_pf,
<------>.update_int_moderator = fm10k_update_int_moderator_pf,
<------>.update_lport_state = fm10k_update_lport_state_pf,
<------>.update_hw_stats = fm10k_update_hw_stats_pf,
<------>.rebind_hw_stats = fm10k_rebind_hw_stats_pf,
<------>.configure_dglort_map = fm10k_configure_dglort_map_pf,
<------>.set_dma_mask = fm10k_set_dma_mask_pf,
<------>.get_fault = fm10k_get_fault_pf,
<------>.get_host_state = fm10k_get_host_state_pf,
<------>.request_lport_map = fm10k_request_lport_map_pf,
};
static const struct fm10k_iov_ops iov_ops_pf = {
<------>.assign_resources = fm10k_iov_assign_resources_pf,
<------>.configure_tc = fm10k_iov_configure_tc_pf,
<------>.assign_int_moderator = fm10k_iov_assign_int_moderator_pf,
<------>.assign_default_mac_vlan = fm10k_iov_assign_default_mac_vlan_pf,
<------>.reset_resources = fm10k_iov_reset_resources_pf,
<------>.set_lport = fm10k_iov_set_lport_pf,
<------>.reset_lport = fm10k_iov_reset_lport_pf,
<------>.update_stats = fm10k_iov_update_stats_pf,
};
static s32 fm10k_get_invariants_pf(struct fm10k_hw *hw)
{
<------>fm10k_get_invariants_generic(hw);
<------>return fm10k_sm_mbx_init(hw, &hw->mbx, fm10k_msg_data_pf);
}
const struct fm10k_info fm10k_pf_info = {
<------>.mac = fm10k_mac_pf,
<------>.get_invariants = fm10k_get_invariants_pf,
<------>.mac_ops = &mac_ops_pf,
<------>.iov_ops = &iov_ops_pf,
};