-/*******************************************************************************
-
-Copyright (c) 2013 - 2015, Intel Corporation
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- 3. Neither the name of the Intel Corporation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-***************************************************************************/
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2013 - 2015 Intel Corporation
+ */
#include "fm10k_pf.h"
#include "fm10k_vf.h"
/* shut down all rings */
err = fm10k_disable_queues_generic(hw, FM10K_MAX_QUEUES);
- if (err)
+ 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/* Verify that DMA is no longer active */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;
- /* verify the switch is ready for reset */
- reg = FM10K_READ_REG(hw, FM10K_DMA_CTRL2);
- if (!(reg & FM10K_DMA_CTRL2_SWITCH_READY))
- goto out;
-
+force_reset:
/* Inititate data path reset */
- reg |= FM10K_DMA_CTRL_DATAPATH_RESET;
+ reg = FM10K_DMA_CTRL_DATAPATH_RESET;
FM10K_WRITE_REG(hw, FM10K_DMA_CTRL, reg);
/* Flush write and allow 100us for reset to complete */
/* Verify we made it out of reset */
reg = FM10K_READ_REG(hw, FM10K_IP);
if (!(reg & FM10K_IP_NOTINRESET))
- err = FM10K_ERR_RESET_FAILED;
+ return FM10K_ERR_RESET_FAILED;
-out:
- return err;
+ return FM10K_SUCCESS;
}
/**
return FM10K_SUCCESS;
}
+#ifndef NO_IS_SLOT_APPROPRIATE_CHECK
/**
* fm10k_is_slot_appropriate_pf - Indicate appropriate slot for this SKU
* @hw: pointer to hardware structure
(hw->bus.width == hw->bus_caps.width);
}
+#endif
/**
* fm10k_update_vlan_pf - Update status of VLAN ID in VLAN filter table
* @hw: pointer to hardware structure
/* VLAN multi-bit write:
* The multi-bit write has several parts to it.
- * 3 2 1 0
- * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ * 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 |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
DEBUGFUNC("fm10k_update_uc_addr_pf");
/* verify MAC address is valid */
- if (!FM10K_IS_VALID_ETHER_ADDR(mac))
+ if (!IS_VALID_ETHER_ADDR(mac))
return FM10K_ERR_PARAM;
return fm10k_update_xc_addr_pf(hw, glort, mac, vid, add, flags);
DEBUGFUNC("fm10k_update_mc_addr_pf");
/* verify multicast address is valid */
- if (!FM10K_IS_MULTICAST_ETHER_ADDR(mac))
+ if (!IS_MULTICAST_ETHER_ADDR(mac))
return FM10K_ERR_PARAM;
return fm10k_update_xc_addr_pf(hw, glort, mac, vid, add, 0);
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;
FM10K_RXDCTL_WRITE_BACK_MIN_DELAY |
FM10K_RXDCTL_DROP_ON_EMPTY);
FM10K_WRITE_REG(hw, FM10K_RXQCTL(vf_q_idx),
- FM10K_RXQCTL_VF |
- (i << FM10K_RXQCTL_VF_SHIFT));
+ (i << FM10K_RXQCTL_VF_SHIFT) |
+ FM10K_RXQCTL_VF);
/* map queue pair to VF */
FM10K_WRITE_REG(hw, FM10K_TQMAP(qmap_idx), vf_q_idx);
vf_q_idx = fm10k_vf_queue_index(hw, vf_idx);
qmap_idx = qmap_stride * vf_idx;
- /* 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);
-
- /* determine correct default VLAN ID */
+ /* 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 rqeuests.
+ */
if (vf_info->pf_vid)
- vf_vid = vf_info->pf_vid | FM10K_VLAN_CLEAR;
+ vf_vid = vf_info->pf_vid | FM10K_VLAN_OVERRIDE;
else
vf_vid = vf_info->sw_vid;
fm10k_tlv_attr_put_mac_vlan(msg, FM10K_MAC_VLAN_MSG_DEFAULT_MAC,
vf_info->mac, vf_vid);
- /* load onto outgoing mailbox, ignore any errors on enqueue */
- if (vf_info->mbx.ops.enqueue_tx)
- vf_info->mbx.ops.enqueue_tx(hw, &vf_info->mbx, msg);
+ /* 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 = FM10K_SUCCESS;
+ }
+
+ /* 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));
}
/* Update base address registers to contain MAC address */
- if (FM10K_IS_VALID_ETHER_ADDR(vf_info->mac)) {
+ 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);
FM10K_TDLEN_ITR_SCALE_SHIFT);
err_out:
- /* configure Queue control register */
- txqctl = ((u32)vf_vid << FM10K_TXQCTL_VID_SHIFT) &
- FM10K_TXQCTL_VID_MASK;
- txqctl |= (vf_idx << FM10K_TXQCTL_TC_SHIFT) |
- FM10K_TXQCTL_VF | vf_idx;
-
- /* assign VID */
- for (i = 0; i < queues_per_pool; i++)
- FM10K_WRITE_REG(hw, FM10K_TXQCTL(vf_q_idx + i), txqctl);
-
/* restore the queue back to VF ownership */
FM10K_WRITE_REG(hw, FM10K_TQMAP(qmap_idx), vf_q_idx);
return err;
txqctl = ((u32)vf_vid << FM10K_TXQCTL_VID_SHIFT) |
(vf_idx << FM10K_TXQCTL_TC_SHIFT) |
FM10K_TXQCTL_VF | vf_idx;
- rxqctl = FM10K_RXQCTL_VF | (vf_idx << FM10K_RXQCTL_VF_SHIFT);
+ 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_MRQC(vf_info->vsi), 0);
/* Update base address registers to contain MAC address */
- if (FM10K_IS_VALID_ETHER_ADDR(vf_info->mac)) {
+ 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);
FM10K_WRITE_REG(hw, FM10K_RQMAP(qmap_idx + i), vf_q_idx + i);
}
- /* repeat the first ring for all of the remaining VF rings */
+ /* 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);
}
/**
- * fm10k_iov_select_vid - Select correct default vid
+ * fm10k_iov_select_vid - Select correct default VLAN ID
* @hw: Pointer to hardware structure
- * @vid: vid to correct
+ * @vid: VLAN ID to correct
*
- * Will report an error if vid is out of range. For vid = 0, it will return
- * either the pf_vid or sw_vid depending on which one is set.
+ * 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.
*/
STATIC s32 fm10k_iov_select_vid(struct fm10k_vf_info *vf_info, u16 vid)
{
struct fm10k_mbx_info *mbx)
{
struct fm10k_vf_info *vf_info = (struct fm10k_vf_info *)mbx;
- int err = FM10K_SUCCESS;
u8 mac[ETH_ALEN];
u32 *result;
+ int err = FM10K_SUCCESS;
bool set;
u16 vlan;
u32 vid;
if (err)
return err;
- /* verify upper 16 bits are zero */
- if (vid >> 16)
- return FM10K_ERR_PARAM;
-
set = !(vid & FM10K_VLAN_CLEAR);
vid &= ~FM10K_VLAN_CLEAR;
- err = fm10k_iov_select_vid(vf_info, (u16)vid);
- if (err < 0)
- return err;
+ /* 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.
+ */
- vid = err;
+ 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);
return err;
/* block attempts to set MAC for a locked device */
- if (FM10K_IS_VALID_ETHER_ADDR(vf_info->mac) &&
+ if (IS_VALID_ETHER_ADDR(vf_info->mac) &&
memcmp(mac, vf_info->mac, ETH_ALEN))
return FM10K_ERR_PARAM;
err = fm10k_update_lport_state_pf(hw, vf_info->glort,
1, false);
- /* need to clear VF_FLAG_ENABLED in order to ensure that we
- * actually re-enable the lport state below. Note that this
- * has no impact if VF is already disabled, as the flags are
- * already zeroed.
+ /* 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);
* This function collects and aggregates global and per queue hardware
* statistics.
**/
-STATIC void fm10k_update_hw_stats_pf(struct fm10k_hw *hw,
+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;
* This function resets the base for global and per queue hardware
* statistics.
**/
-STATIC void fm10k_rebind_hw_stats_pf(struct fm10k_hw *hw,
+void fm10k_rebind_hw_stats_pf(struct fm10k_hw *hw,
struct fm10k_hw_stats *stats)
{
DEBUGFUNC("fm10k_rebind_hw_stats_pf");
* @hw: pointer to hardware structure
* @switch_ready: pointer to boolean value that will record switch state
*
- * This funciton will check the DMA_CTRL2 register and mailbox in order
+ * 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)
{
- s32 ret_val = FM10K_SUCCESS;
u32 dma_ctrl2;
DEBUGFUNC("fm10k_get_host_state_pf");
/* verify the switch is ready for interaction */
dma_ctrl2 = FM10K_READ_REG(hw, FM10K_DMA_CTRL2);
if (!(dma_ctrl2 & FM10K_DMA_CTRL2_SWITCH_READY))
- goto out;
+ return FM10K_SUCCESS;
/* retrieve generic host state info */
- ret_val = fm10k_get_host_state_generic(hw, switch_ready);
- if (ret_val)
- goto out;
-
- /* interface cannot receive traffic without logical ports */
- if (hw->mac.dglort_map == FM10K_DGLORTMAP_NONE)
- ret_val = fm10k_request_lport_map_pf(hw);
-
-out:
- return ret_val;
+ 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
};
if (!fm10k_glort_valid_pf(hw, glort))
return FM10K_ERR_PARAM;
- /* verify VID is valid */
+ /* verify VLAN ID is valid */
if (pvid >= FM10K_VLAN_TABLE_VID_MAX)
return FM10K_ERR_PARAM;
mac->ops.init_hw = &fm10k_init_hw_pf;
mac->ops.start_hw = &fm10k_start_hw_generic;
mac->ops.stop_hw = &fm10k_stop_hw_generic;
+#ifndef NO_IS_SLOT_APPROPRIATE_CHECK
mac->ops.is_slot_appropriate = &fm10k_is_slot_appropriate_pf;
+#endif
mac->ops.update_vlan = &fm10k_update_vlan_pf;
mac->ops.read_mac_addr = &fm10k_read_mac_addr_pf;
mac->ops.update_uc_addr = &fm10k_update_uc_addr_pf;
mac->ops.set_dma_mask = &fm10k_set_dma_mask_pf;
mac->ops.get_fault = &fm10k_get_fault_pf;
mac->ops.get_host_state = &fm10k_get_host_state_pf;
+ mac->ops.request_lport_map = &fm10k_request_lport_map_pf;
mac->ops.adjust_systime = &fm10k_adjust_systime_pf;
mac->ops.notify_offset = &fm10k_notify_offset_pf;
mac->ops.read_systime = &fm10k_read_systime_pf;
git.droids-corp.org / dpdk.git / blobdiff