Commit d96112b2 authored by David S. Miller's avatar David S. Miller

Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue

Jeff Kirsher says:

====================
100GbE Intel Wired LAN Driver Updates 2018-10-01

This series contains updates to ice driver only.

Anirudh provides several changes to "prep" the driver for upcoming
features.  Specifically, the functions that are used for PF VSI/netdev
setup will also be used in SR-IOV support and to allow the reuse of
these functions, code needs to move.

Dave provides the only other change in the series, updates the driver to
protect the reset patch in its entirety.  This is done by adding the
various bit checks to determine if a reset is scheduled/initiated and
whether it came from the software or firmware.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 804fe108 5df7e45d
......@@ -13,5 +13,6 @@ ice-y := ice_main.o \
ice_nvm.o \
ice_switch.o \
ice_sched.o \
ice_lib.o \
ice_txrx.o \
ice_ethtool.o
......@@ -124,7 +124,7 @@ enum ice_state {
__ICE_DOWN,
__ICE_NEEDS_RESTART,
__ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
__ICE_RESET_RECOVERY_PENDING, /* set by driver when reset starts */
__ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
__ICE_PFR_REQ, /* set by driver and peers */
__ICE_CORER_REQ, /* set by driver and peers */
__ICE_GLOBR_REQ, /* set by driver and peers */
......
......@@ -2652,3 +2652,64 @@ ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_id, u8 tc_bitmap,
return ice_cfg_vsi_qs(pi, vsi_id, tc_bitmap, max_lanqs,
ICE_SCHED_NODE_OWNER_LAN);
}
/**
* ice_stat_update40 - read 40 bit stat from the chip and update stat values
* @hw: ptr to the hardware info
* @hireg: high 32 bit HW register to read from
* @loreg: low 32 bit HW register to read from
* @prev_stat_loaded: bool to specify if previous stats are loaded
* @prev_stat: ptr to previous loaded stat value
* @cur_stat: ptr to current stat value
*/
void ice_stat_update40(struct ice_hw *hw, u32 hireg, u32 loreg,
bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat)
{
u64 new_data;
new_data = rd32(hw, loreg);
new_data |= ((u64)(rd32(hw, hireg) & 0xFFFF)) << 32;
/* device stats are not reset at PFR, they likely will not be zeroed
* when the driver starts. So save the first values read and use them as
* offsets to be subtracted from the raw values in order to report stats
* that count from zero.
*/
if (!prev_stat_loaded)
*prev_stat = new_data;
if (new_data >= *prev_stat)
*cur_stat = new_data - *prev_stat;
else
/* to manage the potential roll-over */
*cur_stat = (new_data + BIT_ULL(40)) - *prev_stat;
*cur_stat &= 0xFFFFFFFFFFULL;
}
/**
* ice_stat_update32 - read 32 bit stat from the chip and update stat values
* @hw: ptr to the hardware info
* @reg: HW register to read from
* @prev_stat_loaded: bool to specify if previous stats are loaded
* @prev_stat: ptr to previous loaded stat value
* @cur_stat: ptr to current stat value
*/
void ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat)
{
u32 new_data;
new_data = rd32(hw, reg);
/* device stats are not reset at PFR, they likely will not be zeroed
* when the driver starts. So save the first values read and use them as
* offsets to be subtracted from the raw values in order to report stats
* that count from zero.
*/
if (!prev_stat_loaded)
*prev_stat = new_data;
if (new_data >= *prev_stat)
*cur_stat = new_data - *prev_stat;
else
/* to manage the potential roll-over */
*cur_stat = (new_data + BIT_ULL(32)) - *prev_stat;
}
......@@ -96,4 +96,8 @@ ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_id, u8 tc, u8 num_qgrps,
struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
struct ice_sq_cd *cd);
void ice_output_fw_log(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf);
void ice_stat_update40(struct ice_hw *hw, u32 hireg, u32 loreg,
bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat);
void ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat);
#endif /* _ICE_COMMON_H_ */
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */
#include "ice.h"
#include "ice_lib.h"
/**
* ice_setup_rx_ctx - Configure a receive ring context
* @ring: The Rx ring to configure
*
* Configure the Rx descriptor ring in RLAN context.
*/
static int ice_setup_rx_ctx(struct ice_ring *ring)
{
struct ice_vsi *vsi = ring->vsi;
struct ice_hw *hw = &vsi->back->hw;
u32 rxdid = ICE_RXDID_FLEX_NIC;
struct ice_rlan_ctx rlan_ctx;
u32 regval;
u16 pf_q;
int err;
/* what is RX queue number in global space of 2K Rx queues */
pf_q = vsi->rxq_map[ring->q_index];
/* clear the context structure first */
memset(&rlan_ctx, 0, sizeof(rlan_ctx));
rlan_ctx.base = ring->dma >> 7;
rlan_ctx.qlen = ring->count;
/* Receive Packet Data Buffer Size.
* The Packet Data Buffer Size is defined in 128 byte units.
*/
rlan_ctx.dbuf = vsi->rx_buf_len >> ICE_RLAN_CTX_DBUF_S;
/* use 32 byte descriptors */
rlan_ctx.dsize = 1;
/* Strip the Ethernet CRC bytes before the packet is posted to host
* memory.
*/
rlan_ctx.crcstrip = 1;
/* L2TSEL flag defines the reported L2 Tags in the receive descriptor */
rlan_ctx.l2tsel = 1;
rlan_ctx.dtype = ICE_RX_DTYPE_NO_SPLIT;
rlan_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_NO_SPLIT;
rlan_ctx.hsplit_1 = ICE_RLAN_RX_HSPLIT_1_NO_SPLIT;
/* This controls whether VLAN is stripped from inner headers
* The VLAN in the inner L2 header is stripped to the receive
* descriptor if enabled by this flag.
*/
rlan_ctx.showiv = 0;
/* Max packet size for this queue - must not be set to a larger value
* than 5 x DBUF
*/
rlan_ctx.rxmax = min_t(u16, vsi->max_frame,
ICE_MAX_CHAINED_RX_BUFS * vsi->rx_buf_len);
/* Rx queue threshold in units of 64 */
rlan_ctx.lrxqthresh = 1;
/* Enable Flexible Descriptors in the queue context which
* allows this driver to select a specific receive descriptor format
*/
regval = rd32(hw, QRXFLXP_CNTXT(pf_q));
regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
QRXFLXP_CNTXT_RXDID_IDX_M;
/* increasing context priority to pick up profile id;
* default is 0x01; setting to 0x03 to ensure profile
* is programming if prev context is of same priority
*/
regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) &
QRXFLXP_CNTXT_RXDID_PRIO_M;
wr32(hw, QRXFLXP_CNTXT(pf_q), regval);
/* Absolute queue number out of 2K needs to be passed */
err = ice_write_rxq_ctx(hw, &rlan_ctx, pf_q);
if (err) {
dev_err(&vsi->back->pdev->dev,
"Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n",
pf_q, err);
return -EIO;
}
/* init queue specific tail register */
ring->tail = hw->hw_addr + QRX_TAIL(pf_q);
writel(0, ring->tail);
ice_alloc_rx_bufs(ring, ICE_DESC_UNUSED(ring));
return 0;
}
/**
* ice_setup_tx_ctx - setup a struct ice_tlan_ctx instance
* @ring: The Tx ring to configure
* @tlan_ctx: Pointer to the Tx LAN queue context structure to be initialized
* @pf_q: queue index in the PF space
*
* Configure the Tx descriptor ring in TLAN context.
*/
static void
ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
{
struct ice_vsi *vsi = ring->vsi;
struct ice_hw *hw = &vsi->back->hw;
tlan_ctx->base = ring->dma >> ICE_TLAN_CTX_BASE_S;
tlan_ctx->port_num = vsi->port_info->lport;
/* Transmit Queue Length */
tlan_ctx->qlen = ring->count;
/* PF number */
tlan_ctx->pf_num = hw->pf_id;
/* queue belongs to a specific VSI type
* VF / VM index should be programmed per vmvf_type setting:
* for vmvf_type = VF, it is VF number between 0-256
* for vmvf_type = VM, it is VM number between 0-767
* for PF or EMP this field should be set to zero
*/
switch (vsi->type) {
case ICE_VSI_PF:
tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF;
break;
default:
return;
}
/* make sure the context is associated with the right VSI */
tlan_ctx->src_vsi = vsi->vsi_num;
tlan_ctx->tso_ena = ICE_TX_LEGACY;
tlan_ctx->tso_qnum = pf_q;
/* Legacy or Advanced Host Interface:
* 0: Advanced Host Interface
* 1: Legacy Host Interface
*/
tlan_ctx->legacy_int = ICE_TX_LEGACY;
}
/**
* ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled
* @pf: the PF being configured
* @pf_q: the PF queue
* @ena: enable or disable state of the queue
*
* This routine will wait for the given Rx queue of the PF to reach the
* enabled or disabled state.
* Returns -ETIMEDOUT in case of failing to reach the requested state after
* multiple retries; else will return 0 in case of success.
*/
static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena)
{
int i;
for (i = 0; i < ICE_Q_WAIT_RETRY_LIMIT; i++) {
u32 rx_reg = rd32(&pf->hw, QRX_CTRL(pf_q));
if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M))
break;
usleep_range(10, 20);
}
if (i >= ICE_Q_WAIT_RETRY_LIMIT)
return -ETIMEDOUT;
return 0;
}
/**
* ice_vsi_ctrl_rx_rings - Start or stop a VSI's Rx rings
* @vsi: the VSI being configured
* @ena: start or stop the Rx rings
*/
static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
int i, j, ret = 0;
for (i = 0; i < vsi->num_rxq; i++) {
int pf_q = vsi->rxq_map[i];
u32 rx_reg;
for (j = 0; j < ICE_Q_WAIT_MAX_RETRY; j++) {
rx_reg = rd32(hw, QRX_CTRL(pf_q));
if (((rx_reg >> QRX_CTRL_QENA_REQ_S) & 1) ==
((rx_reg >> QRX_CTRL_QENA_STAT_S) & 1))
break;
usleep_range(1000, 2000);
}
/* Skip if the queue is already in the requested state */
if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M))
continue;
/* turn on/off the queue */
if (ena)
rx_reg |= QRX_CTRL_QENA_REQ_M;
else
rx_reg &= ~QRX_CTRL_QENA_REQ_M;
wr32(hw, QRX_CTRL(pf_q), rx_reg);
/* wait for the change to finish */
ret = ice_pf_rxq_wait(pf, pf_q, ena);
if (ret) {
dev_err(&pf->pdev->dev,
"VSI idx %d Rx ring %d %sable timeout\n",
vsi->idx, pf_q, (ena ? "en" : "dis"));
break;
}
}
return ret;
}
/**
* ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI
* @vsi: VSI pointer
* @alloc_qvectors: a bool to specify if q_vectors need to be allocated.
*
* On error: returns error code (negative)
* On success: returns 0
*/
static int ice_vsi_alloc_arrays(struct ice_vsi *vsi, bool alloc_qvectors)
{
struct ice_pf *pf = vsi->back;
/* allocate memory for both Tx and Rx ring pointers */
vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq,
sizeof(struct ice_ring *), GFP_KERNEL);
if (!vsi->tx_rings)
goto err_txrings;
vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq,
sizeof(struct ice_ring *), GFP_KERNEL);
if (!vsi->rx_rings)
goto err_rxrings;
if (alloc_qvectors) {
/* allocate memory for q_vector pointers */
vsi->q_vectors = devm_kcalloc(&pf->pdev->dev,
vsi->num_q_vectors,
sizeof(struct ice_q_vector *),
GFP_KERNEL);
if (!vsi->q_vectors)
goto err_vectors;
}
return 0;
err_vectors:
devm_kfree(&pf->pdev->dev, vsi->rx_rings);
err_rxrings:
devm_kfree(&pf->pdev->dev, vsi->tx_rings);
err_txrings:
return -ENOMEM;
}
/**
* ice_vsi_set_num_qs - Set num queues, descriptors and vectors for a VSI
* @vsi: the VSI being configured
*
* Return 0 on success and a negative value on error
*/
static void ice_vsi_set_num_qs(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
switch (vsi->type) {
case ICE_VSI_PF:
vsi->alloc_txq = pf->num_lan_tx;
vsi->alloc_rxq = pf->num_lan_rx;
vsi->num_desc = ALIGN(ICE_DFLT_NUM_DESC, ICE_REQ_DESC_MULTIPLE);
vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx);
break;
default:
dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
break;
}
}
/**
* ice_get_free_slot - get the next non-NULL location index in array
* @array: array to search
* @size: size of the array
* @curr: last known occupied index to be used as a search hint
*
* void * is being used to keep the functionality generic. This lets us use this
* function on any array of pointers.
*/
static int ice_get_free_slot(void *array, int size, int curr)
{
int **tmp_array = (int **)array;
int next;
if (curr < (size - 1) && !tmp_array[curr + 1]) {
next = curr + 1;
} else {
int i = 0;
while ((i < size) && (tmp_array[i]))
i++;
if (i == size)
next = ICE_NO_VSI;
else
next = i;
}
return next;
}
/**
* ice_vsi_delete - delete a VSI from the switch
* @vsi: pointer to VSI being removed
*/
void ice_vsi_delete(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_vsi_ctx ctxt;
enum ice_status status;
ctxt.vsi_num = vsi->vsi_num;
memcpy(&ctxt.info, &vsi->info, sizeof(struct ice_aqc_vsi_props));
status = ice_free_vsi(&pf->hw, vsi->idx, &ctxt, false, NULL);
if (status)
dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n",
vsi->vsi_num);
}
/**
* ice_vsi_free_arrays - clean up VSI resources
* @vsi: pointer to VSI being cleared
* @free_qvectors: bool to specify if q_vectors should be deallocated
*/
static void ice_vsi_free_arrays(struct ice_vsi *vsi, bool free_qvectors)
{
struct ice_pf *pf = vsi->back;
/* free the ring and vector containers */
if (free_qvectors && vsi->q_vectors) {
devm_kfree(&pf->pdev->dev, vsi->q_vectors);
vsi->q_vectors = NULL;
}
if (vsi->tx_rings) {
devm_kfree(&pf->pdev->dev, vsi->tx_rings);
vsi->tx_rings = NULL;
}
if (vsi->rx_rings) {
devm_kfree(&pf->pdev->dev, vsi->rx_rings);
vsi->rx_rings = NULL;
}
}
/**
* ice_vsi_clear - clean up and deallocate the provided VSI
* @vsi: pointer to VSI being cleared
*
* This deallocates the VSI's queue resources, removes it from the PF's
* VSI array if necessary, and deallocates the VSI
*
* Returns 0 on success, negative on failure
*/
int ice_vsi_clear(struct ice_vsi *vsi)
{
struct ice_pf *pf = NULL;
if (!vsi)
return 0;
if (!vsi->back)
return -EINVAL;
pf = vsi->back;
if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) {
dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n",
vsi->idx);
return -EINVAL;
}
mutex_lock(&pf->sw_mutex);
/* updates the PF for this cleared VSI */
pf->vsi[vsi->idx] = NULL;
if (vsi->idx < pf->next_vsi)
pf->next_vsi = vsi->idx;
ice_vsi_free_arrays(vsi, true);
mutex_unlock(&pf->sw_mutex);
devm_kfree(&pf->pdev->dev, vsi);
return 0;
}
/**
* ice_msix_clean_rings - MSIX mode Interrupt Handler
* @irq: interrupt number
* @data: pointer to a q_vector
*/
irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data)
{
struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
if (!q_vector->tx.ring && !q_vector->rx.ring)
return IRQ_HANDLED;
napi_schedule(&q_vector->napi);
return IRQ_HANDLED;
}
/**
* ice_vsi_alloc - Allocates the next available struct VSI in the PF
* @pf: board private structure
* @type: type of VSI
*
* returns a pointer to a VSI on success, NULL on failure.
*/
static struct ice_vsi *ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type)
{
struct ice_vsi *vsi = NULL;
/* Need to protect the allocation of the VSIs at the PF level */
mutex_lock(&pf->sw_mutex);
/* If we have already allocated our maximum number of VSIs,
* pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index
* is available to be populated
*/
if (pf->next_vsi == ICE_NO_VSI) {
dev_dbg(&pf->pdev->dev, "out of VSI slots!\n");
goto unlock_pf;
}
vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL);
if (!vsi)
goto unlock_pf;
vsi->type = type;
vsi->back = pf;
set_bit(__ICE_DOWN, vsi->state);
vsi->idx = pf->next_vsi;
vsi->work_lmt = ICE_DFLT_IRQ_WORK;
ice_vsi_set_num_qs(vsi);
switch (vsi->type) {
case ICE_VSI_PF:
if (ice_vsi_alloc_arrays(vsi, true))
goto err_rings;
/* Setup default MSIX irq handler for VSI */
vsi->irq_handler = ice_msix_clean_rings;
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
goto unlock_pf;
}
/* fill VSI slot in the PF struct */
pf->vsi[pf->next_vsi] = vsi;
/* prepare pf->next_vsi for next use */
pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
pf->next_vsi);
goto unlock_pf;
err_rings:
devm_kfree(&pf->pdev->dev, vsi);
vsi = NULL;
unlock_pf:
mutex_unlock(&pf->sw_mutex);
return vsi;
}
/**
* ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI
* @vsi: the VSI getting queues
*
* Return 0 on success and a negative value on error
*/
static int ice_vsi_get_qs_contig(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int offset, ret = 0;
mutex_lock(&pf->avail_q_mutex);
/* look for contiguous block of queues for Tx */
offset = bitmap_find_next_zero_area(pf->avail_txqs, ICE_MAX_TXQS,
0, vsi->alloc_txq, 0);
if (offset < ICE_MAX_TXQS) {
int i;
bitmap_set(pf->avail_txqs, offset, vsi->alloc_txq);
for (i = 0; i < vsi->alloc_txq; i++)
vsi->txq_map[i] = i + offset;
} else {
ret = -ENOMEM;
vsi->tx_mapping_mode = ICE_VSI_MAP_SCATTER;
}
/* look for contiguous block of queues for Rx */
offset = bitmap_find_next_zero_area(pf->avail_rxqs, ICE_MAX_RXQS,
0, vsi->alloc_rxq, 0);
if (offset < ICE_MAX_RXQS) {
int i;
bitmap_set(pf->avail_rxqs, offset, vsi->alloc_rxq);
for (i = 0; i < vsi->alloc_rxq; i++)
vsi->rxq_map[i] = i + offset;
} else {
ret = -ENOMEM;
vsi->rx_mapping_mode = ICE_VSI_MAP_SCATTER;
}
mutex_unlock(&pf->avail_q_mutex);
return ret;
}
/**
* ice_vsi_get_qs_scatter - Assign a scattered queues to VSI
* @vsi: the VSI getting queues
*
* Return 0 on success and a negative value on error
*/
static int ice_vsi_get_qs_scatter(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int i, index = 0;
mutex_lock(&pf->avail_q_mutex);
if (vsi->tx_mapping_mode == ICE_VSI_MAP_SCATTER) {
for (i = 0; i < vsi->alloc_txq; i++) {
index = find_next_zero_bit(pf->avail_txqs,
ICE_MAX_TXQS, index);
if (index < ICE_MAX_TXQS) {
set_bit(index, pf->avail_txqs);
vsi->txq_map[i] = index;
} else {
goto err_scatter_tx;
}
}
}
if (vsi->rx_mapping_mode == ICE_VSI_MAP_SCATTER) {
for (i = 0; i < vsi->alloc_rxq; i++) {
index = find_next_zero_bit(pf->avail_rxqs,
ICE_MAX_RXQS, index);
if (index < ICE_MAX_RXQS) {
set_bit(index, pf->avail_rxqs);
vsi->rxq_map[i] = index;
} else {
goto err_scatter_rx;
}
}
}
mutex_unlock(&pf->avail_q_mutex);
return 0;
err_scatter_rx:
/* unflag any queues we have grabbed (i is failed position) */
for (index = 0; index < i; index++) {
clear_bit(vsi->rxq_map[index], pf->avail_rxqs);
vsi->rxq_map[index] = 0;
}
i = vsi->alloc_txq;
err_scatter_tx:
/* i is either position of failed attempt or vsi->alloc_txq */
for (index = 0; index < i; index++) {
clear_bit(vsi->txq_map[index], pf->avail_txqs);
vsi->txq_map[index] = 0;
}
mutex_unlock(&pf->avail_q_mutex);
return -ENOMEM;
}
/**
* ice_vsi_get_qs - Assign queues from PF to VSI
* @vsi: the VSI to assign queues to
*
* Returns 0 on success and a negative value on error
*/
static int ice_vsi_get_qs(struct ice_vsi *vsi)
{
int ret = 0;
vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG;
vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG;
/* NOTE: ice_vsi_get_qs_contig() will set the Rx/Tx mapping
* modes individually to scatter if assigning contiguous queues
* to Rx or Tx fails
*/
ret = ice_vsi_get_qs_contig(vsi);
if (ret < 0) {
if (vsi->tx_mapping_mode == ICE_VSI_MAP_SCATTER)
vsi->alloc_txq = max_t(u16, vsi->alloc_txq,
ICE_MAX_SCATTER_TXQS);
if (vsi->rx_mapping_mode == ICE_VSI_MAP_SCATTER)
vsi->alloc_rxq = max_t(u16, vsi->alloc_rxq,
ICE_MAX_SCATTER_RXQS);
ret = ice_vsi_get_qs_scatter(vsi);
}
return ret;
}
/**
* ice_vsi_put_qs - Release queues from VSI to PF
* @vsi: the VSI that is going to release queues
*/
void ice_vsi_put_qs(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int i;
mutex_lock(&pf->avail_q_mutex);
for (i = 0; i < vsi->alloc_txq; i++) {
clear_bit(vsi->txq_map[i], pf->avail_txqs);
vsi->txq_map[i] = ICE_INVAL_Q_INDEX;
}
for (i = 0; i < vsi->alloc_rxq; i++) {
clear_bit(vsi->rxq_map[i], pf->avail_rxqs);
vsi->rxq_map[i] = ICE_INVAL_Q_INDEX;
}
mutex_unlock(&pf->avail_q_mutex);
}
/**
* ice_rss_clean - Delete RSS related VSI structures that hold user inputs
* @vsi: the VSI being removed
*/
static void ice_rss_clean(struct ice_vsi *vsi)
{
struct ice_pf *pf;
pf = vsi->back;
if (vsi->rss_hkey_user)
devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user);
if (vsi->rss_lut_user)
devm_kfree(&pf->pdev->dev, vsi->rss_lut_user);
}
/**
* ice_vsi_set_rss_params - Setup RSS capabilities per VSI type
* @vsi: the VSI being configured
*/
static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
{
struct ice_hw_common_caps *cap;
struct ice_pf *pf = vsi->back;
if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
vsi->rss_size = 1;
return;
}
cap = &pf->hw.func_caps.common_cap;
switch (vsi->type) {
case ICE_VSI_PF:
/* PF VSI will inherit RSS instance of PF */
vsi->rss_table_size = cap->rss_table_size;
vsi->rss_size = min_t(int, num_online_cpus(),
BIT(cap->rss_table_entry_width));
vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
break;
}
}
/**
* ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI
* @ctxt: the VSI context being set
*
* This initializes a default VSI context for all sections except the Queues.
*/
static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt)
{
u32 table = 0;
memset(&ctxt->info, 0, sizeof(ctxt->info));
/* VSI's should be allocated from shared pool */
ctxt->alloc_from_pool = true;
/* Src pruning enabled by default */
ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE;
/* Traffic from VSI can be sent to LAN */
ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA;
/* By default bits 3 and 4 in vlan_flags are 0's which results in legacy
* behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all
* packets untagged/tagged.
*/
ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL &
ICE_AQ_VSI_VLAN_MODE_M) >>
ICE_AQ_VSI_VLAN_MODE_S);
/* Have 1:1 UP mapping for both ingress/egress tables */
table |= ICE_UP_TABLE_TRANSLATE(0, 0);
table |= ICE_UP_TABLE_TRANSLATE(1, 1);
table |= ICE_UP_TABLE_TRANSLATE(2, 2);
table |= ICE_UP_TABLE_TRANSLATE(3, 3);
table |= ICE_UP_TABLE_TRANSLATE(4, 4);
table |= ICE_UP_TABLE_TRANSLATE(5, 5);
table |= ICE_UP_TABLE_TRANSLATE(6, 6);
table |= ICE_UP_TABLE_TRANSLATE(7, 7);
ctxt->info.ingress_table = cpu_to_le32(table);
ctxt->info.egress_table = cpu_to_le32(table);
/* Have 1:1 UP mapping for outer to inner UP table */
ctxt->info.outer_up_table = cpu_to_le32(table);
/* No Outer tag support outer_tag_flags remains to zero */
}
/**
* ice_vsi_setup_q_map - Setup a VSI queue map
* @vsi: the VSI being configured
* @ctxt: VSI context structure
*/
static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
{
u16 offset = 0, qmap = 0, numq_tc;
u16 pow = 0, max_rss = 0, qcount;
u16 qcount_tx = vsi->alloc_txq;
u16 qcount_rx = vsi->alloc_rxq;
bool ena_tc0 = false;
int i;
/* at least TC0 should be enabled by default */
if (vsi->tc_cfg.numtc) {
if (!(vsi->tc_cfg.ena_tc & BIT(0)))
ena_tc0 = true;
} else {
ena_tc0 = true;
}
if (ena_tc0) {
vsi->tc_cfg.numtc++;
vsi->tc_cfg.ena_tc |= 1;
}
numq_tc = qcount_rx / vsi->tc_cfg.numtc;
/* TC mapping is a function of the number of Rx queues assigned to the
* VSI for each traffic class and the offset of these queues.
* The first 10 bits are for queue offset for TC0, next 4 bits for no:of
* queues allocated to TC0. No:of queues is a power-of-2.
*
* If TC is not enabled, the queue offset is set to 0, and allocate one
* queue, this way, traffic for the given TC will be sent to the default
* queue.
*
* Setup number and offset of Rx queues for all TCs for the VSI
*/
/* qcount will change if RSS is enabled */
if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) {
if (vsi->type == ICE_VSI_PF)
max_rss = ICE_MAX_LG_RSS_QS;
else
max_rss = ICE_MAX_SMALL_RSS_QS;
qcount = min_t(int, numq_tc, max_rss);
qcount = min_t(int, qcount, vsi->rss_size);
} else {
qcount = numq_tc;
}
/* find the (rounded up) power-of-2 of qcount */
pow = order_base_2(qcount);
for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
/* TC is not enabled */
vsi->tc_cfg.tc_info[i].qoffset = 0;
vsi->tc_cfg.tc_info[i].qcount = 1;
ctxt->info.tc_mapping[i] = 0;
continue;
}
/* TC is enabled */
vsi->tc_cfg.tc_info[i].qoffset = offset;
vsi->tc_cfg.tc_info[i].qcount = qcount;
qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
ICE_AQ_VSI_TC_Q_OFFSET_M) |
((pow << ICE_AQ_VSI_TC_Q_NUM_S) &
ICE_AQ_VSI_TC_Q_NUM_M);
offset += qcount;
ctxt->info.tc_mapping[i] = cpu_to_le16(qmap);
}
vsi->num_txq = qcount_tx;
vsi->num_rxq = offset;
/* Rx queue mapping */
ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG);
/* q_mapping buffer holds the info for the first queue allocated for
* this VSI in the PF space and also the number of queues associated
* with this VSI.
*/
ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq);
}
/**
* ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI
* @ctxt: the VSI context being set
* @vsi: the VSI being configured
*/
static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
{
u8 lut_type, hash_type;
switch (vsi->type) {
case ICE_VSI_PF:
/* PF VSI will inherit RSS instance of PF */
lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF;
hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
break;
default:
dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
return;
}
ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
}
/**
* ice_vsi_init - Create and initialize a VSI
* @vsi: the VSI being configured
*
* This initializes a VSI context depending on the VSI type to be added and
* passes it down to the add_vsi aq command to create a new VSI.
*/
static int ice_vsi_init(struct ice_vsi *vsi)
{
struct ice_vsi_ctx ctxt = { 0 };
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
int ret = 0;
switch (vsi->type) {
case ICE_VSI_PF:
ctxt.flags = ICE_AQ_VSI_TYPE_PF;
break;
default:
return -ENODEV;
}
ice_set_dflt_vsi_ctx(&ctxt);
/* if the switch is in VEB mode, allow VSI loopback */
if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB)
ctxt.info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
/* Set LUT type and HASH type if RSS is enabled */
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_set_rss_vsi_ctx(&ctxt, vsi);
ctxt.info.sw_id = vsi->port_info->sw_id;
ice_vsi_setup_q_map(vsi, &ctxt);
ret = ice_add_vsi(hw, vsi->idx, &ctxt, NULL);
if (ret) {
dev_err(&pf->pdev->dev,
"Add VSI failed, err %d\n", ret);
return -EIO;
}
/* keep context for update VSI operations */
vsi->info = ctxt.info;
/* record VSI number returned */
vsi->vsi_num = ctxt.vsi_num;
return ret;
}
/**
* ice_free_q_vector - Free memory allocated for a specific interrupt vector
* @vsi: VSI having the memory freed
* @v_idx: index of the vector to be freed
*/
static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx)
{
struct ice_q_vector *q_vector;
struct ice_ring *ring;
if (!vsi->q_vectors[v_idx]) {
dev_dbg(&vsi->back->pdev->dev, "Queue vector at index %d not found\n",
v_idx);
return;
}
q_vector = vsi->q_vectors[v_idx];
ice_for_each_ring(ring, q_vector->tx)
ring->q_vector = NULL;
ice_for_each_ring(ring, q_vector->rx)
ring->q_vector = NULL;
/* only VSI with an associated netdev is set up with NAPI */
if (vsi->netdev)
netif_napi_del(&q_vector->napi);
devm_kfree(&vsi->back->pdev->dev, q_vector);
vsi->q_vectors[v_idx] = NULL;
}
/**
* ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors
* @vsi: the VSI having memory freed
*/
void ice_vsi_free_q_vectors(struct ice_vsi *vsi)
{
int v_idx;
for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++)
ice_free_q_vector(vsi, v_idx);
}
/**
* ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector
* @vsi: the VSI being configured
* @v_idx: index of the vector in the VSI struct
*
* We allocate one q_vector. If allocation fails we return -ENOMEM.
*/
static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx)
{
struct ice_pf *pf = vsi->back;
struct ice_q_vector *q_vector;
/* allocate q_vector */
q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL);
if (!q_vector)
return -ENOMEM;
q_vector->vsi = vsi;
q_vector->v_idx = v_idx;
/* only set affinity_mask if the CPU is online */
if (cpu_online(v_idx))
cpumask_set_cpu(v_idx, &q_vector->affinity_mask);
/* This will not be called in the driver load path because the netdev
* will not be created yet. All other cases with register the NAPI
* handler here (i.e. resume, reset/rebuild, etc.)
*/
if (vsi->netdev)
netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll,
NAPI_POLL_WEIGHT);
/* tie q_vector and VSI together */
vsi->q_vectors[v_idx] = q_vector;
return 0;
}
/**
* ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors
* @vsi: the VSI being configured
*
* We allocate one q_vector per queue interrupt. If allocation fails we
* return -ENOMEM.
*/
static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int v_idx = 0, num_q_vectors;
int err;
if (vsi->q_vectors[0]) {
dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n",
vsi->vsi_num);
return -EEXIST;
}
if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
num_q_vectors = vsi->num_q_vectors;
} else {
err = -EINVAL;
goto err_out;
}
for (v_idx = 0; v_idx < num_q_vectors; v_idx++) {
err = ice_vsi_alloc_q_vector(vsi, v_idx);
if (err)
goto err_out;
}
return 0;
err_out:
while (v_idx--)
ice_free_q_vector(vsi, v_idx);
dev_err(&pf->pdev->dev,
"Failed to allocate %d q_vector for VSI %d, ret=%d\n",
vsi->num_q_vectors, vsi->vsi_num, err);
vsi->num_q_vectors = 0;
return err;
}
/**
* ice_vsi_setup_vector_base - Set up the base vector for the given VSI
* @vsi: ptr to the VSI
*
* This should only be called after ice_vsi_alloc() which allocates the
* corresponding SW VSI structure and initializes num_queue_pairs for the
* newly allocated VSI.
*
* Returns 0 on success or negative on failure
*/
static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int num_q_vectors = 0;
if (vsi->base_vector) {
dev_dbg(&pf->pdev->dev, "VSI %d has non-zero base vector %d\n",
vsi->vsi_num, vsi->base_vector);
return -EEXIST;
}
if (!test_bit(ICE_FLAG_MSIX_ENA, pf->flags))
return -ENOENT;
switch (vsi->type) {
case ICE_VSI_PF:
num_q_vectors = vsi->num_q_vectors;
break;
default:
dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
break;
}
if (num_q_vectors)
vsi->base_vector = ice_get_res(pf, pf->irq_tracker,
num_q_vectors, vsi->idx);
if (vsi->base_vector < 0) {
dev_err(&pf->pdev->dev,
"Failed to get tracking for %d vectors for VSI %d, err=%d\n",
num_q_vectors, vsi->vsi_num, vsi->base_vector);
return -ENOENT;
}
return 0;
}
/**
* ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI
* @vsi: the VSI having rings deallocated
*/
static void ice_vsi_clear_rings(struct ice_vsi *vsi)
{
int i;
if (vsi->tx_rings) {
for (i = 0; i < vsi->alloc_txq; i++) {
if (vsi->tx_rings[i]) {
kfree_rcu(vsi->tx_rings[i], rcu);
vsi->tx_rings[i] = NULL;
}
}
}
if (vsi->rx_rings) {
for (i = 0; i < vsi->alloc_rxq; i++) {
if (vsi->rx_rings[i]) {
kfree_rcu(vsi->rx_rings[i], rcu);
vsi->rx_rings[i] = NULL;
}
}
}
}
/**
* ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI
* @vsi: VSI which is having rings allocated
*/
static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int i;
/* Allocate tx_rings */
for (i = 0; i < vsi->alloc_txq; i++) {
struct ice_ring *ring;
/* allocate with kzalloc(), free with kfree_rcu() */
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto err_out;
ring->q_index = i;
ring->reg_idx = vsi->txq_map[i];
ring->ring_active = false;
ring->vsi = vsi;
ring->dev = &pf->pdev->dev;
ring->count = vsi->num_desc;
vsi->tx_rings[i] = ring;
}
/* Allocate rx_rings */
for (i = 0; i < vsi->alloc_rxq; i++) {
struct ice_ring *ring;
/* allocate with kzalloc(), free with kfree_rcu() */
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto err_out;
ring->q_index = i;
ring->reg_idx = vsi->rxq_map[i];
ring->ring_active = false;
ring->vsi = vsi;
ring->netdev = vsi->netdev;
ring->dev = &pf->pdev->dev;
ring->count = vsi->num_desc;
vsi->rx_rings[i] = ring;
}
return 0;
err_out:
ice_vsi_clear_rings(vsi);
return -ENOMEM;
}
/**
* ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors
* @vsi: the VSI being configured
*
* This function maps descriptor rings to the queue-specific vectors allotted
* through the MSI-X enabling code. On a constrained vector budget, we map Tx
* and Rx rings to the vector as "efficiently" as possible.
*/
static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
{
int q_vectors = vsi->num_q_vectors;
int tx_rings_rem, rx_rings_rem;
int v_id;
/* initially assigning remaining rings count to VSIs num queue value */
tx_rings_rem = vsi->num_txq;
rx_rings_rem = vsi->num_rxq;
for (v_id = 0; v_id < q_vectors; v_id++) {
struct ice_q_vector *q_vector = vsi->q_vectors[v_id];
int tx_rings_per_v, rx_rings_per_v, q_id, q_base;
/* Tx rings mapping to vector */
tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id);
q_vector->num_ring_tx = tx_rings_per_v;
q_vector->tx.ring = NULL;
q_base = vsi->num_txq - tx_rings_rem;
for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) {
struct ice_ring *tx_ring = vsi->tx_rings[q_id];
tx_ring->q_vector = q_vector;
tx_ring->next = q_vector->tx.ring;
q_vector->tx.ring = tx_ring;
}
tx_rings_rem -= tx_rings_per_v;
/* Rx rings mapping to vector */
rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id);
q_vector->num_ring_rx = rx_rings_per_v;
q_vector->rx.ring = NULL;
q_base = vsi->num_rxq - rx_rings_rem;
for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) {
struct ice_ring *rx_ring = vsi->rx_rings[q_id];
rx_ring->q_vector = q_vector;
rx_ring->next = q_vector->rx.ring;
q_vector->rx.ring = rx_ring;
}
rx_rings_rem -= rx_rings_per_v;
}
}
/**
* ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI
* @vsi: VSI to be configured
*/
static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
{
u8 seed[ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE];
struct ice_aqc_get_set_rss_keys *key;
struct ice_pf *pf = vsi->back;
enum ice_status status;
int err = 0;
u8 *lut;
vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq);
lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL);
if (!lut)
return -ENOMEM;
if (vsi->rss_lut_user)
memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
else
ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
status = ice_aq_set_rss_lut(&pf->hw, vsi->vsi_num, vsi->rss_lut_type,
lut, vsi->rss_table_size);
if (status) {
dev_err(&vsi->back->pdev->dev,
"set_rss_lut failed, error %d\n", status);
err = -EIO;
goto ice_vsi_cfg_rss_exit;
}
key = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*key), GFP_KERNEL);
if (!key) {
err = -ENOMEM;
goto ice_vsi_cfg_rss_exit;
}
if (vsi->rss_hkey_user)
memcpy(seed, vsi->rss_hkey_user,
ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE);
else
netdev_rss_key_fill((void *)seed,
ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE);
memcpy(&key->standard_rss_key, seed,
ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE);
status = ice_aq_set_rss_key(&pf->hw, vsi->vsi_num, key);
if (status) {
dev_err(&vsi->back->pdev->dev, "set_rss_key failed, error %d\n",
status);
err = -EIO;
}
devm_kfree(&pf->pdev->dev, key);
ice_vsi_cfg_rss_exit:
devm_kfree(&pf->pdev->dev, lut);
return err;
}
/**
* ice_add_mac_to_list - Add a mac address filter entry to the list
* @vsi: the VSI to be forwarded to
* @add_list: pointer to the list which contains MAC filter entries
* @macaddr: the MAC address to be added.
*
* Adds mac address filter entry to the temp list
*
* Returns 0 on success or ENOMEM on failure.
*/
int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
const u8 *macaddr)
{
struct ice_fltr_list_entry *tmp;
struct ice_pf *pf = vsi->back;
tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC);
if (!tmp)
return -ENOMEM;
tmp->fltr_info.flag = ICE_FLTR_TX;
tmp->fltr_info.src = vsi->vsi_num;
tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC;
tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
tmp->fltr_info.fwd_id.vsi_id = vsi->vsi_num;
ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr);
INIT_LIST_HEAD(&tmp->list_entry);
list_add(&tmp->list_entry, add_list);
return 0;
}
/**
* ice_update_eth_stats - Update VSI-specific ethernet statistics counters
* @vsi: the VSI to be updated
*/
void ice_update_eth_stats(struct ice_vsi *vsi)
{
struct ice_eth_stats *prev_es, *cur_es;
struct ice_hw *hw = &vsi->back->hw;
u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */
prev_es = &vsi->eth_stats_prev;
cur_es = &vsi->eth_stats;
ice_stat_update40(hw, GLV_GORCH(vsi_num), GLV_GORCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_bytes,
&cur_es->rx_bytes);
ice_stat_update40(hw, GLV_UPRCH(vsi_num), GLV_UPRCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_unicast,
&cur_es->rx_unicast);
ice_stat_update40(hw, GLV_MPRCH(vsi_num), GLV_MPRCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_multicast,
&cur_es->rx_multicast);
ice_stat_update40(hw, GLV_BPRCH(vsi_num), GLV_BPRCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_broadcast,
&cur_es->rx_broadcast);
ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded,
&prev_es->rx_discards, &cur_es->rx_discards);
ice_stat_update40(hw, GLV_GOTCH(vsi_num), GLV_GOTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_bytes,
&cur_es->tx_bytes);
ice_stat_update40(hw, GLV_UPTCH(vsi_num), GLV_UPTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_unicast,
&cur_es->tx_unicast);
ice_stat_update40(hw, GLV_MPTCH(vsi_num), GLV_MPTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_multicast,
&cur_es->tx_multicast);
ice_stat_update40(hw, GLV_BPTCH(vsi_num), GLV_BPTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_broadcast,
&cur_es->tx_broadcast);
ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded,
&prev_es->tx_errors, &cur_es->tx_errors);
vsi->stat_offsets_loaded = true;
}
/**
* ice_free_fltr_list - free filter lists helper
* @dev: pointer to the device struct
* @h: pointer to the list head to be freed
*
* Helper function to free filter lists previously created using
* ice_add_mac_to_list
*/
void ice_free_fltr_list(struct device *dev, struct list_head *h)
{
struct ice_fltr_list_entry *e, *tmp;
list_for_each_entry_safe(e, tmp, h, list_entry) {
list_del(&e->list_entry);
devm_kfree(dev, e);
}
}
/**
* ice_vsi_add_vlan - Add VSI membership for given VLAN
* @vsi: the VSI being configured
* @vid: VLAN id to be added
*/
int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
{
struct ice_fltr_list_entry *tmp;
struct ice_pf *pf = vsi->back;
LIST_HEAD(tmp_add_list);
enum ice_status status;
int err = 0;
tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL);
if (!tmp)
return -ENOMEM;
tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
tmp->fltr_info.flag = ICE_FLTR_TX;
tmp->fltr_info.src = vsi->vsi_num;
tmp->fltr_info.fwd_id.vsi_id = vsi->vsi_num;
tmp->fltr_info.l_data.vlan.vlan_id = vid;
INIT_LIST_HEAD(&tmp->list_entry);
list_add(&tmp->list_entry, &tmp_add_list);
status = ice_add_vlan(&pf->hw, &tmp_add_list);
if (status) {
err = -ENODEV;
dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n",
vid, vsi->vsi_num);
}
ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
return err;
}
/**
* ice_vsi_kill_vlan - Remove VSI membership for a given VLAN
* @vsi: the VSI being configured
* @vid: VLAN id to be removed
*
* Returns 0 on success and negative on failure
*/
int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid)
{
struct ice_fltr_list_entry *list;
struct ice_pf *pf = vsi->back;
LIST_HEAD(tmp_add_list);
int status = 0;
list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL);
if (!list)
return -ENOMEM;
list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
list->fltr_info.fwd_id.vsi_id = vsi->vsi_num;
list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
list->fltr_info.l_data.vlan.vlan_id = vid;
list->fltr_info.flag = ICE_FLTR_TX;
list->fltr_info.src = vsi->vsi_num;
INIT_LIST_HEAD(&list->list_entry);
list_add(&list->list_entry, &tmp_add_list);
if (ice_remove_vlan(&pf->hw, &tmp_add_list)) {
dev_err(&pf->pdev->dev, "Error removing VLAN %d on vsi %i\n",
vid, vsi->vsi_num);
status = -EIO;
}
ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
return status;
}
/**
* ice_vsi_cfg_rxqs - Configure the VSI for Rx
* @vsi: the VSI being configured
*
* Return 0 on success and a negative value on error
* Configure the Rx VSI for operation.
*/
int ice_vsi_cfg_rxqs(struct ice_vsi *vsi)
{
int err = 0;
u16 i;
if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN)
vsi->max_frame = vsi->netdev->mtu +
ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
else
vsi->max_frame = ICE_RXBUF_2048;
vsi->rx_buf_len = ICE_RXBUF_2048;
/* set up individual rings */
for (i = 0; i < vsi->num_rxq && !err; i++)
err = ice_setup_rx_ctx(vsi->rx_rings[i]);
if (err) {
dev_err(&vsi->back->pdev->dev, "ice_setup_rx_ctx failed\n");
return -EIO;
}
return err;
}
/**
* ice_vsi_cfg_txqs - Configure the VSI for Tx
* @vsi: the VSI being configured
*
* Return 0 on success and a negative value on error
* Configure the Tx VSI for operation.
*/
int ice_vsi_cfg_txqs(struct ice_vsi *vsi)
{
struct ice_aqc_add_tx_qgrp *qg_buf;
struct ice_aqc_add_txqs_perq *txq;
struct ice_pf *pf = vsi->back;
enum ice_status status;
u16 buf_len, i, pf_q;
int err = 0, tc = 0;
u8 num_q_grps;
buf_len = sizeof(struct ice_aqc_add_tx_qgrp);
qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL);
if (!qg_buf)
return -ENOMEM;
if (vsi->num_txq > ICE_MAX_TXQ_PER_TXQG) {
err = -EINVAL;
goto err_cfg_txqs;
}
qg_buf->num_txqs = 1;
num_q_grps = 1;
/* set up and configure the Tx queues */
ice_for_each_txq(vsi, i) {
struct ice_tlan_ctx tlan_ctx = { 0 };
pf_q = vsi->txq_map[i];
ice_setup_tx_ctx(vsi->tx_rings[i], &tlan_ctx, pf_q);
/* copy context contents into the qg_buf */
qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q);
ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx,
ice_tlan_ctx_info);
/* init queue specific tail reg. It is referred as transmit
* comm scheduler queue doorbell.
*/
vsi->tx_rings[i]->tail = pf->hw.hw_addr + QTX_COMM_DBELL(pf_q);
status = ice_ena_vsi_txq(vsi->port_info, vsi->vsi_num, tc,
num_q_grps, qg_buf, buf_len, NULL);
if (status) {
dev_err(&vsi->back->pdev->dev,
"Failed to set LAN Tx queue context, error: %d\n",
status);
err = -ENODEV;
goto err_cfg_txqs;
}
/* Add Tx Queue TEID into the VSI Tx ring from the response
* This will complete configuring and enabling the queue.
*/
txq = &qg_buf->txqs[0];
if (pf_q == le16_to_cpu(txq->txq_id))
vsi->tx_rings[i]->txq_teid =
le32_to_cpu(txq->q_teid);
}
err_cfg_txqs:
devm_kfree(&pf->pdev->dev, qg_buf);
return err;
}
/**
* ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW
* @vsi: the VSI being configured
*/
void ice_vsi_cfg_msix(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
u16 vector = vsi->base_vector;
struct ice_hw *hw = &pf->hw;
u32 txq = 0, rxq = 0;
int i, q, itr;
u8 itr_gran;
for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
struct ice_q_vector *q_vector = vsi->q_vectors[i];
itr_gran = hw->itr_gran_200;
if (q_vector->num_ring_rx) {
q_vector->rx.itr =
ITR_TO_REG(vsi->rx_rings[rxq]->rx_itr_setting,
itr_gran);
q_vector->rx.latency_range = ICE_LOW_LATENCY;
}
if (q_vector->num_ring_tx) {
q_vector->tx.itr =
ITR_TO_REG(vsi->tx_rings[txq]->tx_itr_setting,
itr_gran);
q_vector->tx.latency_range = ICE_LOW_LATENCY;
}
wr32(hw, GLINT_ITR(ICE_RX_ITR, vector), q_vector->rx.itr);
wr32(hw, GLINT_ITR(ICE_TX_ITR, vector), q_vector->tx.itr);
/* Both Transmit Queue Interrupt Cause Control register
* and Receive Queue Interrupt Cause control register
* expects MSIX_INDX field to be the vector index
* within the function space and not the absolute
* vector index across PF or across device.
* For SR-IOV VF VSIs queue vector index always starts
* with 1 since first vector index(0) is used for OICR
* in VF space. Since VMDq and other PF VSIs are within
* the PF function space, use the vector index that is
* tracked for this PF.
*/
for (q = 0; q < q_vector->num_ring_tx; q++) {
u32 val;
itr = ICE_ITR_NONE;
val = QINT_TQCTL_CAUSE_ENA_M |
(itr << QINT_TQCTL_ITR_INDX_S) |
(vector << QINT_TQCTL_MSIX_INDX_S);
wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val);
txq++;
}
for (q = 0; q < q_vector->num_ring_rx; q++) {
u32 val;
itr = ICE_ITR_NONE;
val = QINT_RQCTL_CAUSE_ENA_M |
(itr << QINT_RQCTL_ITR_INDX_S) |
(vector << QINT_RQCTL_MSIX_INDX_S);
wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val);
rxq++;
}
}
ice_flush(hw);
}
/**
* ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx
* @vsi: the VSI being changed
*/
int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
{
struct device *dev = &vsi->back->pdev->dev;
struct ice_hw *hw = &vsi->back->hw;
struct ice_vsi_ctx ctxt = { 0 };
enum ice_status status;
/* Here we are configuring the VSI to let the driver add VLAN tags by
* setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag
* insertion happens in the Tx hot path, in ice_tx_map.
*/
ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL;
ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
ctxt.vsi_num = vsi->vsi_num;
status = ice_aq_update_vsi(hw, &ctxt, NULL);
if (status) {
dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n",
status, hw->adminq.sq_last_status);
return -EIO;
}
vsi->info.vlan_flags = ctxt.info.vlan_flags;
return 0;
}
/**
* ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx
* @vsi: the VSI being changed
* @ena: boolean value indicating if this is a enable or disable request
*/
int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
{
struct device *dev = &vsi->back->pdev->dev;
struct ice_hw *hw = &vsi->back->hw;
struct ice_vsi_ctx ctxt = { 0 };
enum ice_status status;
/* Here we are configuring what the VSI should do with the VLAN tag in
* the Rx packet. We can either leave the tag in the packet or put it in
* the Rx descriptor.
*/
if (ena) {
/* Strip VLAN tag from Rx packet and put it in the desc */
ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH;
} else {
/* Disable stripping. Leave tag in packet */
ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING;
}
/* Allow all packets untagged/tagged */
ctxt.info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL;
ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
ctxt.vsi_num = vsi->vsi_num;
status = ice_aq_update_vsi(hw, &ctxt, NULL);
if (status) {
dev_err(dev, "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n",
ena, status, hw->adminq.sq_last_status);
return -EIO;
}
vsi->info.vlan_flags = ctxt.info.vlan_flags;
return 0;
}
/**
* ice_vsi_start_rx_rings - start VSI's Rx rings
* @vsi: the VSI whose rings are to be started
*
* Returns 0 on success and a negative value on error
*/
int ice_vsi_start_rx_rings(struct ice_vsi *vsi)
{
return ice_vsi_ctrl_rx_rings(vsi, true);
}
/**
* ice_vsi_stop_rx_rings - stop VSI's Rx rings
* @vsi: the VSI
*
* Returns 0 on success and a negative value on error
*/
int ice_vsi_stop_rx_rings(struct ice_vsi *vsi)
{
return ice_vsi_ctrl_rx_rings(vsi, false);
}
/**
* ice_vsi_stop_tx_rings - Disable Tx rings
* @vsi: the VSI being configured
*/
int ice_vsi_stop_tx_rings(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
enum ice_status status;
u32 *q_teids, val;
u16 *q_ids, i;
int err = 0;
if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS)
return -EINVAL;
q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids),
GFP_KERNEL);
if (!q_teids)
return -ENOMEM;
q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids),
GFP_KERNEL);
if (!q_ids) {
err = -ENOMEM;
goto err_alloc_q_ids;
}
/* set up the Tx queue list to be disabled */
ice_for_each_txq(vsi, i) {
u16 v_idx;
if (!vsi->tx_rings || !vsi->tx_rings[i]) {
err = -EINVAL;
goto err_out;
}
q_ids[i] = vsi->txq_map[i];
q_teids[i] = vsi->tx_rings[i]->txq_teid;
/* clear cause_ena bit for disabled queues */
val = rd32(hw, QINT_TQCTL(vsi->tx_rings[i]->reg_idx));
val &= ~QINT_TQCTL_CAUSE_ENA_M;
wr32(hw, QINT_TQCTL(vsi->tx_rings[i]->reg_idx), val);
/* software is expected to wait for 100 ns */
ndelay(100);
/* trigger a software interrupt for the vector associated to
* the queue to schedule NAPI handler
*/
v_idx = vsi->tx_rings[i]->q_vector->v_idx;
wr32(hw, GLINT_DYN_CTL(vsi->base_vector + v_idx),
GLINT_DYN_CTL_SWINT_TRIG_M | GLINT_DYN_CTL_INTENA_MSK_M);
}
status = ice_dis_vsi_txq(vsi->port_info, vsi->num_txq, q_ids, q_teids,
NULL);
/* if the disable queue command was exercised during an active reset
* flow, ICE_ERR_RESET_ONGOING is returned. This is not an error as
* the reset operation disables queues at the hardware level anyway.
*/
if (status == ICE_ERR_RESET_ONGOING) {
dev_info(&pf->pdev->dev,
"Reset in progress. LAN Tx queues already disabled\n");
} else if (status) {
dev_err(&pf->pdev->dev,
"Failed to disable LAN Tx queues, error: %d\n",
status);
err = -ENODEV;
}
err_out:
devm_kfree(&pf->pdev->dev, q_ids);
err_alloc_q_ids:
devm_kfree(&pf->pdev->dev, q_teids);
return err;
}
/**
* ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI
* @vsi: VSI to enable or disable VLAN pruning on
* @ena: set to true to enable VLAN pruning and false to disable it
*
* returns 0 if VSI is updated, negative otherwise
*/
int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena)
{
struct ice_vsi_ctx *ctxt;
struct device *dev;
int status;
if (!vsi)
return -EINVAL;
dev = &vsi->back->pdev->dev;
ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
if (!ctxt)
return -ENOMEM;
ctxt->info = vsi->info;
if (ena) {
ctxt->info.sec_flags |=
ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S;
ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
} else {
ctxt->info.sec_flags &=
~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
}
ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID |
ICE_AQ_VSI_PROP_SW_VALID);
ctxt->vsi_num = vsi->vsi_num;
status = ice_aq_update_vsi(&vsi->back->hw, ctxt, NULL);
if (status) {
netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI %d failed, err = %d, aq_err = %d\n",
ena ? "Ena" : "Dis", vsi->vsi_num, status,
vsi->back->hw.adminq.sq_last_status);
goto err_out;
}
vsi->info.sec_flags = ctxt->info.sec_flags;
vsi->info.sw_flags2 = ctxt->info.sw_flags2;
devm_kfree(dev, ctxt);
return 0;
err_out:
devm_kfree(dev, ctxt);
return -EIO;
}
/**
* ice_vsi_setup - Set up a VSI by a given type
* @pf: board private structure
* @pi: pointer to the port_info instance
* @type: VSI type
* @vf_id: defines VF id to which this VSI connects. This field is meant to be
* used only for ICE_VSI_VF VSI type. For other VSI types, should
* fill-in ICE_INVAL_VFID as input.
*
* This allocates the sw VSI structure and its queue resources.
*
* Returns pointer to the successfully allocated and configured VSI sw struct on
* success, NULL on failure.
*/
struct ice_vsi *
ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
enum ice_vsi_type type, u16 __always_unused vf_id)
{
u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
struct device *dev = &pf->pdev->dev;
struct ice_vsi *vsi;
int ret, i;
vsi = ice_vsi_alloc(pf, type);
if (!vsi) {
dev_err(dev, "could not allocate VSI\n");
return NULL;
}
vsi->port_info = pi;
vsi->vsw = pf->first_sw;
if (ice_vsi_get_qs(vsi)) {
dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
vsi->idx);
goto unroll_get_qs;
}
/* set RSS capabilities */
ice_vsi_set_rss_params(vsi);
/* create the VSI */
ret = ice_vsi_init(vsi);
if (ret)
goto unroll_get_qs;
switch (vsi->type) {
case ICE_VSI_PF:
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
goto unroll_vsi_init;
ret = ice_vsi_setup_vector_base(vsi);
if (ret)
goto unroll_alloc_q_vector;
ret = ice_vsi_alloc_rings(vsi);
if (ret)
goto unroll_vector_base;
ice_vsi_map_rings_to_vectors(vsi);
/* Do not exit if configuring RSS had an issue, at least
* receive traffic on first queue. Hence no need to capture
* return value
*/
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_vsi_cfg_rss_lut_key(vsi);
break;
default:
/* if VSI type is not recognized, clean up the resources and
* exit
*/
goto unroll_vsi_init;
}
ice_vsi_set_tc_cfg(vsi);
/* configure VSI nodes based on number of queues and TC's */
for (i = 0; i < vsi->tc_cfg.numtc; i++)
max_txqs[i] = vsi->num_txq;
ret = ice_cfg_vsi_lan(vsi->port_info, vsi->vsi_num,
vsi->tc_cfg.ena_tc, max_txqs);
if (ret) {
dev_info(&pf->pdev->dev, "Failed VSI lan queue config\n");
goto unroll_vector_base;
}
return vsi;
unroll_vector_base:
ice_free_res(vsi->back->irq_tracker, vsi->base_vector, vsi->idx);
unroll_alloc_q_vector:
ice_vsi_free_q_vectors(vsi);
unroll_vsi_init:
ice_vsi_delete(vsi);
unroll_get_qs:
ice_vsi_put_qs(vsi);
pf->q_left_tx += vsi->alloc_txq;
pf->q_left_rx += vsi->alloc_rxq;
ice_vsi_clear(vsi);
return NULL;
}
/**
* ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW
* @vsi: the VSI being cleaned up
*/
static void ice_vsi_release_msix(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
u16 vector = vsi->base_vector;
struct ice_hw *hw = &pf->hw;
u32 txq = 0;
u32 rxq = 0;
int i, q;
for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
struct ice_q_vector *q_vector = vsi->q_vectors[i];
wr32(hw, GLINT_ITR(ICE_RX_ITR, vector), 0);
wr32(hw, GLINT_ITR(ICE_TX_ITR, vector), 0);
for (q = 0; q < q_vector->num_ring_tx; q++) {
wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
txq++;
}
for (q = 0; q < q_vector->num_ring_rx; q++) {
wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0);
rxq++;
}
}
ice_flush(hw);
}
/**
* ice_vsi_free_irq - Free the IRQ association with the OS
* @vsi: the VSI being configured
*/
void ice_vsi_free_irq(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int base = vsi->base_vector;
if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
int i;
if (!vsi->q_vectors || !vsi->irqs_ready)
return;
vsi->irqs_ready = false;
for (i = 0; i < vsi->num_q_vectors; i++) {
u16 vector = i + base;
int irq_num;
irq_num = pf->msix_entries[vector].vector;
/* free only the irqs that were actually requested */
if (!vsi->q_vectors[i] ||
!(vsi->q_vectors[i]->num_ring_tx ||
vsi->q_vectors[i]->num_ring_rx))
continue;
/* clear the affinity notifier in the IRQ descriptor */
irq_set_affinity_notifier(irq_num, NULL);
/* clear the affinity_mask in the IRQ descriptor */
irq_set_affinity_hint(irq_num, NULL);
synchronize_irq(irq_num);
devm_free_irq(&pf->pdev->dev, irq_num,
vsi->q_vectors[i]);
}
ice_vsi_release_msix(vsi);
}
}
/**
* ice_vsi_free_tx_rings - Free Tx resources for VSI queues
* @vsi: the VSI having resources freed
*/
void ice_vsi_free_tx_rings(struct ice_vsi *vsi)
{
int i;
if (!vsi->tx_rings)
return;
ice_for_each_txq(vsi, i)
if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
ice_free_tx_ring(vsi->tx_rings[i]);
}
/**
* ice_vsi_free_rx_rings - Free Rx resources for VSI queues
* @vsi: the VSI having resources freed
*/
void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
{
int i;
if (!vsi->rx_rings)
return;
ice_for_each_rxq(vsi, i)
if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc)
ice_free_rx_ring(vsi->rx_rings[i]);
}
/**
* ice_vsi_close - Shut down a VSI
* @vsi: the VSI being shut down
*/
void ice_vsi_close(struct ice_vsi *vsi)
{
if (!test_and_set_bit(__ICE_DOWN, vsi->state))
ice_down(vsi);
ice_vsi_free_irq(vsi);
ice_vsi_free_tx_rings(vsi);
ice_vsi_free_rx_rings(vsi);
}
/**
* ice_free_res - free a block of resources
* @res: pointer to the resource
* @index: starting index previously returned by ice_get_res
* @id: identifier to track owner
*
* Returns number of resources freed
*/
int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id)
{
int count = 0;
int i;
if (!res || index >= res->num_entries)
return -EINVAL;
id |= ICE_RES_VALID_BIT;
for (i = index; i < res->num_entries && res->list[i] == id; i++) {
res->list[i] = 0;
count++;
}
return count;
}
/**
* ice_search_res - Search the tracker for a block of resources
* @res: pointer to the resource
* @needed: size of the block needed
* @id: identifier to track owner
*
* Returns the base item index of the block, or -ENOMEM for error
*/
static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
{
int start = res->search_hint;
int end = start;
id |= ICE_RES_VALID_BIT;
do {
/* skip already allocated entries */
if (res->list[end++] & ICE_RES_VALID_BIT) {
start = end;
if ((start + needed) > res->num_entries)
break;
}
if (end == (start + needed)) {
int i = start;
/* there was enough, so assign it to the requestor */
while (i != end)
res->list[i++] = id;
if (end == res->num_entries)
end = 0;
res->search_hint = end;
return start;
}
} while (1);
return -ENOMEM;
}
/**
* ice_get_res - get a block of resources
* @pf: board private structure
* @res: pointer to the resource
* @needed: size of the block needed
* @id: identifier to track owner
*
* Returns the base item index of the block, or -ENOMEM for error
* The search_hint trick and lack of advanced fit-finding only works
* because we're highly likely to have all the same sized requests.
* Linear search time and any fragmentation should be minimal.
*/
int
ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id)
{
int ret;
if (!res || !pf)
return -EINVAL;
if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) {
dev_err(&pf->pdev->dev,
"param err: needed=%d, num_entries = %d id=0x%04x\n",
needed, res->num_entries, id);
return -EINVAL;
}
/* search based on search_hint */
ret = ice_search_res(res, needed, id);
if (ret < 0) {
/* previous search failed. Reset search hint and try again */
res->search_hint = 0;
ret = ice_search_res(res, needed, id);
}
return ret;
}
/**
* ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI
* @vsi: the VSI being un-configured
*/
void ice_vsi_dis_irq(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
int base = vsi->base_vector;
u32 val;
int i;
/* disable interrupt causation from each queue */
if (vsi->tx_rings) {
ice_for_each_txq(vsi, i) {
if (vsi->tx_rings[i]) {
u16 reg;
reg = vsi->tx_rings[i]->reg_idx;
val = rd32(hw, QINT_TQCTL(reg));
val &= ~QINT_TQCTL_CAUSE_ENA_M;
wr32(hw, QINT_TQCTL(reg), val);
}
}
}
if (vsi->rx_rings) {
ice_for_each_rxq(vsi, i) {
if (vsi->rx_rings[i]) {
u16 reg;
reg = vsi->rx_rings[i]->reg_idx;
val = rd32(hw, QINT_RQCTL(reg));
val &= ~QINT_RQCTL_CAUSE_ENA_M;
wr32(hw, QINT_RQCTL(reg), val);
}
}
}
/* disable each interrupt */
if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
for (i = vsi->base_vector;
i < (vsi->num_q_vectors + vsi->base_vector); i++)
wr32(hw, GLINT_DYN_CTL(i), 0);
ice_flush(hw);
for (i = 0; i < vsi->num_q_vectors; i++)
synchronize_irq(pf->msix_entries[i + base].vector);
}
}
/**
* ice_vsi_release - Delete a VSI and free its resources
* @vsi: the VSI being removed
*
* Returns 0 on success or < 0 on error
*/
int ice_vsi_release(struct ice_vsi *vsi)
{
struct ice_pf *pf;
if (!vsi->back)
return -ENODEV;
pf = vsi->back;
/* do not unregister and free netdevs while driver is in the reset
* recovery pending state. Since reset/rebuild happens through PF
* service task workqueue, its not a good idea to unregister netdev
* that is associated to the PF that is running the work queue items
* currently. This is done to avoid check_flush_dependency() warning
* on this wq
*/
if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) {
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
}
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_rss_clean(vsi);
/* Disable VSI and free resources */
ice_vsi_dis_irq(vsi);
ice_vsi_close(vsi);
/* reclaim interrupt vectors back to PF */
ice_free_res(vsi->back->irq_tracker, vsi->base_vector, vsi->idx);
pf->num_avail_msix += vsi->num_q_vectors;
ice_remove_vsi_fltr(&pf->hw, vsi->vsi_num);
ice_vsi_delete(vsi);
ice_vsi_free_q_vectors(vsi);
ice_vsi_clear_rings(vsi);
ice_vsi_put_qs(vsi);
pf->q_left_tx += vsi->alloc_txq;
pf->q_left_rx += vsi->alloc_rxq;
/* retain SW VSI data structure since it is needed to unregister and
* free VSI netdev when PF is not in reset recovery pending state,\
* for ex: during rmmod.
*/
if (!ice_is_reset_in_progress(pf->state))
ice_vsi_clear(vsi);
return 0;
}
/**
* ice_vsi_rebuild - Rebuild VSI after reset
* @vsi: VSI to be rebuild
*
* Returns 0 on success and negative value on failure
*/
int ice_vsi_rebuild(struct ice_vsi *vsi)
{
u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
int ret, i;
if (!vsi)
return -EINVAL;
ice_vsi_free_q_vectors(vsi);
ice_free_res(vsi->back->irq_tracker, vsi->base_vector, vsi->idx);
vsi->base_vector = 0;
ice_vsi_clear_rings(vsi);
ice_vsi_free_arrays(vsi, false);
ice_vsi_set_num_qs(vsi);
/* Initialize VSI struct elements and create VSI in FW */
ret = ice_vsi_init(vsi);
if (ret < 0)
goto err_vsi;
ret = ice_vsi_alloc_arrays(vsi, false);
if (ret < 0)
goto err_vsi;
switch (vsi->type) {
case ICE_VSI_PF:
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
goto err_rings;
ret = ice_vsi_setup_vector_base(vsi);
if (ret)
goto err_vectors;
ret = ice_vsi_alloc_rings(vsi);
if (ret)
goto err_vectors;
ice_vsi_map_rings_to_vectors(vsi);
break;
default:
break;
}
ice_vsi_set_tc_cfg(vsi);
/* configure VSI nodes based on number of queues and TC's */
for (i = 0; i < vsi->tc_cfg.numtc; i++)
max_txqs[i] = vsi->num_txq;
ret = ice_cfg_vsi_lan(vsi->port_info, vsi->vsi_num,
vsi->tc_cfg.ena_tc, max_txqs);
if (ret) {
dev_info(&vsi->back->pdev->dev,
"Failed VSI lan queue config\n");
goto err_vectors;
}
return 0;
err_vectors:
ice_vsi_free_q_vectors(vsi);
err_rings:
if (vsi->netdev) {
vsi->current_netdev_flags = 0;
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
}
err_vsi:
ice_vsi_clear(vsi);
set_bit(__ICE_RESET_FAILED, vsi->back->state);
return ret;
}
/**
* ice_is_reset_in_progress - check for a reset in progress
* @state: pf state field
*/
bool ice_is_reset_in_progress(unsigned long *state)
{
return test_bit(__ICE_RESET_OICR_RECV, state) ||
test_bit(__ICE_PFR_REQ, state) ||
test_bit(__ICE_CORER_REQ, state) ||
test_bit(__ICE_GLOBR_REQ, state);
}
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */
#ifndef _ICE_LIB_H_
#define _ICE_LIB_H_
#include "ice.h"
int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
const u8 *macaddr);
void ice_free_fltr_list(struct device *dev, struct list_head *h);
void ice_update_eth_stats(struct ice_vsi *vsi);
int ice_vsi_cfg_rxqs(struct ice_vsi *vsi);
int ice_vsi_cfg_txqs(struct ice_vsi *vsi);
void ice_vsi_cfg_msix(struct ice_vsi *vsi);
int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid);
int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid);
int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi);
int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena);
int ice_vsi_start_rx_rings(struct ice_vsi *vsi);
int ice_vsi_stop_rx_rings(struct ice_vsi *vsi);
int ice_vsi_stop_tx_rings(struct ice_vsi *vsi);
int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena);
void ice_vsi_delete(struct ice_vsi *vsi);
int ice_vsi_clear(struct ice_vsi *vsi);
struct ice_vsi *
ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
enum ice_vsi_type type, u16 vf_id);
int ice_vsi_release(struct ice_vsi *vsi);
void ice_vsi_close(struct ice_vsi *vsi);
int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id);
int
ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id);
int ice_vsi_rebuild(struct ice_vsi *vsi);
bool ice_is_reset_in_progress(unsigned long *state);
void ice_vsi_free_q_vectors(struct ice_vsi *vsi);
void ice_vsi_put_qs(struct ice_vsi *vsi);
void ice_vsi_dis_irq(struct ice_vsi *vsi);
void ice_vsi_free_irq(struct ice_vsi *vsi);
void ice_vsi_free_rx_rings(struct ice_vsi *vsi);
void ice_vsi_free_tx_rings(struct ice_vsi *vsi);
int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc);
irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data);
#endif /* !_ICE_LIB_H_ */
......@@ -6,6 +6,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "ice.h"
#include "ice_lib.h"
#define DRV_VERSION "0.7.1-k"
#define DRV_SUMMARY "Intel(R) Ethernet Connection E800 Series Linux Driver"
......@@ -31,7 +32,7 @@ static const struct net_device_ops ice_netdev_ops;
static void ice_pf_dis_all_vsi(struct ice_pf *pf);
static void ice_rebuild(struct ice_pf *pf);
static int ice_vsi_release(struct ice_vsi *vsi);
static void ice_vsi_release_all(struct ice_pf *pf);
static void ice_update_vsi_stats(struct ice_vsi *vsi);
static void ice_update_pf_stats(struct ice_pf *pf);
......@@ -111,171 +112,6 @@ static void ice_check_for_hang_subtask(struct ice_pf *pf)
}
}
/**
* ice_get_free_slot - get the next non-NULL location index in array
* @array: array to search
* @size: size of the array
* @curr: last known occupied index to be used as a search hint
*
* void * is being used to keep the functionality generic. This lets us use this
* function on any array of pointers.
*/
static int ice_get_free_slot(void *array, int size, int curr)
{
int **tmp_array = (int **)array;
int next;
if (curr < (size - 1) && !tmp_array[curr + 1]) {
next = curr + 1;
} else {
int i = 0;
while ((i < size) && (tmp_array[i]))
i++;
if (i == size)
next = ICE_NO_VSI;
else
next = i;
}
return next;
}
/**
* ice_search_res - Search the tracker for a block of resources
* @res: pointer to the resource
* @needed: size of the block needed
* @id: identifier to track owner
* Returns the base item index of the block, or -ENOMEM for error
*/
static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
{
int start = res->search_hint;
int end = start;
id |= ICE_RES_VALID_BIT;
do {
/* skip already allocated entries */
if (res->list[end++] & ICE_RES_VALID_BIT) {
start = end;
if ((start + needed) > res->num_entries)
break;
}
if (end == (start + needed)) {
int i = start;
/* there was enough, so assign it to the requestor */
while (i != end)
res->list[i++] = id;
if (end == res->num_entries)
end = 0;
res->search_hint = end;
return start;
}
} while (1);
return -ENOMEM;
}
/**
* ice_get_res - get a block of resources
* @pf: board private structure
* @res: pointer to the resource
* @needed: size of the block needed
* @id: identifier to track owner
*
* Returns the base item index of the block, or -ENOMEM for error
* The search_hint trick and lack of advanced fit-finding only works
* because we're highly likely to have all the same sized requests.
* Linear search time and any fragmentation should be minimal.
*/
static int
ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id)
{
int ret;
if (!res || !pf)
return -EINVAL;
if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) {
dev_err(&pf->pdev->dev,
"param err: needed=%d, num_entries = %d id=0x%04x\n",
needed, res->num_entries, id);
return -EINVAL;
}
/* search based on search_hint */
ret = ice_search_res(res, needed, id);
if (ret < 0) {
/* previous search failed. Reset search hint and try again */
res->search_hint = 0;
ret = ice_search_res(res, needed, id);
}
return ret;
}
/**
* ice_free_res - free a block of resources
* @res: pointer to the resource
* @index: starting index previously returned by ice_get_res
* @id: identifier to track owner
* Returns number of resources freed
*/
static int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id)
{
int count = 0;
int i;
if (!res || index >= res->num_entries)
return -EINVAL;
id |= ICE_RES_VALID_BIT;
for (i = index; i < res->num_entries && res->list[i] == id; i++) {
res->list[i] = 0;
count++;
}
return count;
}
/**
* ice_add_mac_to_list - Add a mac address filter entry to the list
* @vsi: the VSI to be forwarded to
* @add_list: pointer to the list which contains MAC filter entries
* @macaddr: the MAC address to be added.
*
* Adds mac address filter entry to the temp list
*
* Returns 0 on success or ENOMEM on failure.
*/
static int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
const u8 *macaddr)
{
struct ice_fltr_list_entry *tmp;
struct ice_pf *pf = vsi->back;
tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC);
if (!tmp)
return -ENOMEM;
tmp->fltr_info.flag = ICE_FLTR_TX;
tmp->fltr_info.src = vsi->vsi_num;
tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC;
tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
tmp->fltr_info.fwd_id.vsi_id = vsi->vsi_num;
ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr);
INIT_LIST_HEAD(&tmp->list_entry);
list_add(&tmp->list_entry, add_list);
return 0;
}
/**
* ice_add_mac_to_sync_list - creates list of mac addresses to be synced
* @netdev: the net device on which the sync is happening
......@@ -318,24 +154,6 @@ static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr)
return 0;
}
/**
* ice_free_fltr_list - free filter lists helper
* @dev: pointer to the device struct
* @h: pointer to the list head to be freed
*
* Helper function to free filter lists previously created using
* ice_add_mac_to_list
*/
static void ice_free_fltr_list(struct device *dev, struct list_head *h)
{
struct ice_fltr_list_entry *e, *tmp;
list_for_each_entry_safe(e, tmp, h, list_entry) {
list_del(&e->list_entry);
devm_kfree(dev, e);
}
}
/**
* ice_vsi_fltr_changed - check if filter state changed
* @vsi: VSI to be checked
......@@ -349,63 +167,6 @@ static bool ice_vsi_fltr_changed(struct ice_vsi *vsi)
test_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
}
/**
* ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI
* @vsi: VSI to enable or disable VLAN pruning on
* @ena: set to true to enable VLAN pruning and false to disable it
*
* returns 0 if VSI is updated, negative otherwise
*/
static int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena)
{
struct ice_vsi_ctx *ctxt;
struct device *dev;
int status;
if (!vsi)
return -EINVAL;
dev = &vsi->back->pdev->dev;
ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
if (!ctxt)
return -ENOMEM;
ctxt->info = vsi->info;
if (ena) {
ctxt->info.sec_flags |=
ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S;
ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
} else {
ctxt->info.sec_flags &=
~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
}
ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID |
ICE_AQ_VSI_PROP_SW_VALID);
ctxt->vsi_num = vsi->vsi_num;
status = ice_aq_update_vsi(&vsi->back->hw, ctxt, NULL);
if (status) {
netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI %d failed, err = %d, aq_err = %d\n",
ena ? "Ena" : "Dis", vsi->vsi_num, status,
vsi->back->hw.adminq.sq_last_status);
goto err_out;
}
vsi->info.sec_flags = ctxt->info.sec_flags;
vsi->info.sw_flags2 = ctxt->info.sw_flags2;
devm_kfree(dev, ctxt);
return 0;
err_out:
devm_kfree(dev, ctxt);
return -EIO;
}
/**
* ice_vsi_sync_fltr - Update the VSI filter list to the HW
* @vsi: ptr to the VSI
......@@ -570,15 +331,6 @@ static void ice_sync_fltr_subtask(struct ice_pf *pf)
}
}
/**
* ice_is_reset_recovery_pending - schedule a reset
* @state: pf state field
*/
static bool ice_is_reset_recovery_pending(unsigned long int *state)
{
return test_bit(__ICE_RESET_RECOVERY_PENDING, state);
}
/**
* ice_prepare_for_reset - prep for the core to reset
* @pf: board private structure
......@@ -612,21 +364,17 @@ static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
dev_dbg(dev, "reset_type 0x%x requested\n", reset_type);
WARN_ON(in_interrupt());
/* PFR is a bit of a special case because it doesn't result in an OICR
* interrupt. Set pending bit here which otherwise gets set in the
* OICR handler.
*/
if (reset_type == ICE_RESET_PFR)
set_bit(__ICE_RESET_RECOVERY_PENDING, pf->state);
ice_prepare_for_reset(pf);
/* trigger the reset */
if (ice_reset(hw, reset_type)) {
dev_err(dev, "reset %d failed\n", reset_type);
set_bit(__ICE_RESET_FAILED, pf->state);
clear_bit(__ICE_RESET_RECOVERY_PENDING, pf->state);
clear_bit(__ICE_RESET_OICR_RECV, pf->state);
clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
clear_bit(__ICE_PFR_REQ, pf->state);
clear_bit(__ICE_CORER_REQ, pf->state);
clear_bit(__ICE_GLOBR_REQ, pf->state);
return;
}
......@@ -637,8 +385,8 @@ static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
if (reset_type == ICE_RESET_PFR) {
pf->pfr_count++;
ice_rebuild(pf);
clear_bit(__ICE_RESET_RECOVERY_PENDING, pf->state);
clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
clear_bit(__ICE_PFR_REQ, pf->state);
}
}
......@@ -653,14 +401,14 @@ static void ice_reset_subtask(struct ice_pf *pf)
/* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an
* OICR interrupt. The OICR handler (ice_misc_intr) determines what type
* of reset is pending and sets bits in pf->state indicating the reset
* type and __ICE_RESET_RECOVERY_PENDING. So, if the latter bit is set
* type and __ICE_RESET_OICR_RECV. So, if the latter bit is set
* prepare for pending reset if not already (for PF software-initiated
* global resets the software should already be prepared for it as
* indicated by __ICE_PREPARED_FOR_RESET; for global resets initiated
* by firmware or software on other PFs, that bit is not set so prepare
* for the reset now), poll for reset done, rebuild and return.
*/
if (ice_is_reset_recovery_pending(pf->state)) {
if (test_bit(__ICE_RESET_OICR_RECV, pf->state)) {
clear_bit(__ICE_GLOBR_RECV, pf->state);
clear_bit(__ICE_CORER_RECV, pf->state);
if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
......@@ -676,19 +424,22 @@ static void ice_reset_subtask(struct ice_pf *pf)
/* clear bit to resume normal operations, but
* ICE_NEEDS_RESTART bit is set incase rebuild failed
*/
clear_bit(__ICE_RESET_RECOVERY_PENDING, pf->state);
clear_bit(__ICE_RESET_OICR_RECV, pf->state);
clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
clear_bit(__ICE_PFR_REQ, pf->state);
clear_bit(__ICE_CORER_REQ, pf->state);
clear_bit(__ICE_GLOBR_REQ, pf->state);
}
return;
}
/* No pending resets to finish processing. Check for new resets */
if (test_and_clear_bit(__ICE_PFR_REQ, pf->state))
if (test_bit(__ICE_PFR_REQ, pf->state))
reset_type = ICE_RESET_PFR;
if (test_and_clear_bit(__ICE_CORER_REQ, pf->state))
if (test_bit(__ICE_CORER_REQ, pf->state))
reset_type = ICE_RESET_CORER;
if (test_and_clear_bit(__ICE_GLOBR_REQ, pf->state))
if (test_bit(__ICE_GLOBR_REQ, pf->state))
reset_type = ICE_RESET_GLOBR;
/* If no valid reset type requested just return */
if (reset_type == ICE_RESET_INVAL)
......@@ -1277,7 +1028,7 @@ static void ice_service_task(struct work_struct *work)
ice_reset_subtask(pf);
/* bail if a reset/recovery cycle is pending or rebuild failed */
if (ice_is_reset_recovery_pending(pf->state) ||
if (ice_is_reset_in_progress(pf->state) ||
test_bit(__ICE_SUSPENDED, pf->state) ||
test_bit(__ICE_NEEDS_RESTART, pf->state)) {
ice_service_task_complete(pf);
......@@ -1342,57 +1093,6 @@ static void ice_irq_affinity_notify(struct irq_affinity_notify *notify,
*/
static void ice_irq_affinity_release(struct kref __always_unused *ref) {}
/**
* ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI
* @vsi: the VSI being un-configured
*/
static void ice_vsi_dis_irq(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
int base = vsi->base_vector;
u32 val;
int i;
/* disable interrupt causation from each queue */
if (vsi->tx_rings) {
ice_for_each_txq(vsi, i) {
if (vsi->tx_rings[i]) {
u16 reg;
reg = vsi->tx_rings[i]->reg_idx;
val = rd32(hw, QINT_TQCTL(reg));
val &= ~QINT_TQCTL_CAUSE_ENA_M;
wr32(hw, QINT_TQCTL(reg), val);
}
}
}
if (vsi->rx_rings) {
ice_for_each_rxq(vsi, i) {
if (vsi->rx_rings[i]) {
u16 reg;
reg = vsi->rx_rings[i]->reg_idx;
val = rd32(hw, QINT_RQCTL(reg));
val &= ~QINT_RQCTL_CAUSE_ENA_M;
wr32(hw, QINT_RQCTL(reg), val);
}
}
}
/* disable each interrupt */
if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
for (i = vsi->base_vector;
i < (vsi->num_q_vectors + vsi->base_vector); i++)
wr32(hw, GLINT_DYN_CTL(i), 0);
ice_flush(hw);
for (i = 0; i < vsi->num_q_vectors; i++)
synchronize_irq(pf->msix_entries[i + base].vector);
}
}
/**
* ice_vsi_ena_irq - Enable IRQ for the given VSI
* @vsi: the VSI being configured
......@@ -1413,26 +1113,6 @@ static int ice_vsi_ena_irq(struct ice_vsi *vsi)
return 0;
}
/**
* ice_vsi_delete - delete a VSI from the switch
* @vsi: pointer to VSI being removed
*/
static void ice_vsi_delete(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_vsi_ctx ctxt;
enum ice_status status;
ctxt.vsi_num = vsi->vsi_num;
memcpy(&ctxt.info, &vsi->info, sizeof(struct ice_aqc_vsi_props));
status = ice_free_vsi(&pf->hw, vsi->idx, &ctxt, false, NULL);
if (status)
dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n",
vsi->vsi_num);
}
/**
* ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI
* @vsi: the VSI being configured
......@@ -1501,572 +1181,106 @@ static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename)
}
/**
* ice_vsi_set_rss_params - Setup RSS capabilities per VSI type
* @vsi: the VSI being configured
* ice_ena_misc_vector - enable the non-queue interrupts
* @pf: board private structure
*/
static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
static void ice_ena_misc_vector(struct ice_pf *pf)
{
struct ice_hw_common_caps *cap;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
u32 val;
if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
vsi->rss_size = 1;
return;
}
/* clear things first */
wr32(hw, PFINT_OICR_ENA, 0); /* disable all */
rd32(hw, PFINT_OICR); /* read to clear */
cap = &pf->hw.func_caps.common_cap;
switch (vsi->type) {
case ICE_VSI_PF:
/* PF VSI will inherit RSS instance of PF */
vsi->rss_table_size = cap->rss_table_size;
vsi->rss_size = min_t(int, num_online_cpus(),
BIT(cap->rss_table_entry_width));
vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
break;
}
val = (PFINT_OICR_ECC_ERR_M |
PFINT_OICR_MAL_DETECT_M |
PFINT_OICR_GRST_M |
PFINT_OICR_PCI_EXCEPTION_M |
PFINT_OICR_HMC_ERR_M |
PFINT_OICR_PE_CRITERR_M);
wr32(hw, PFINT_OICR_ENA, val);
/* SW_ITR_IDX = 0, but don't change INTENA */
wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M);
}
/**
* ice_vsi_setup_q_map - Setup a VSI queue map
* @vsi: the VSI being configured
* @ctxt: VSI context structure
* ice_misc_intr - misc interrupt handler
* @irq: interrupt number
* @data: pointer to a q_vector
*/
static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
{
u16 offset = 0, qmap = 0, numq_tc;
u16 pow = 0, max_rss = 0, qcount;
u16 qcount_tx = vsi->alloc_txq;
u16 qcount_rx = vsi->alloc_rxq;
bool ena_tc0 = false;
int i;
struct ice_pf *pf = (struct ice_pf *)data;
struct ice_hw *hw = &pf->hw;
irqreturn_t ret = IRQ_NONE;
u32 oicr, ena_mask;
/* at least TC0 should be enabled by default */
if (vsi->tc_cfg.numtc) {
if (!(vsi->tc_cfg.ena_tc & BIT(0)))
ena_tc0 = true;
} else {
ena_tc0 = true;
}
set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
oicr = rd32(hw, PFINT_OICR);
ena_mask = rd32(hw, PFINT_OICR_ENA);
if (ena_tc0) {
vsi->tc_cfg.numtc++;
vsi->tc_cfg.ena_tc |= 1;
if (oicr & PFINT_OICR_MAL_DETECT_M) {
ena_mask &= ~PFINT_OICR_MAL_DETECT_M;
set_bit(__ICE_MDD_EVENT_PENDING, pf->state);
}
numq_tc = qcount_rx / vsi->tc_cfg.numtc;
/* TC mapping is a function of the number of Rx queues assigned to the
* VSI for each traffic class and the offset of these queues.
* The first 10 bits are for queue offset for TC0, next 4 bits for no:of
* queues allocated to TC0. No:of queues is a power-of-2.
*
* If TC is not enabled, the queue offset is set to 0, and allocate one
* queue, this way, traffic for the given TC will be sent to the default
* queue.
*
* Setup number and offset of Rx queues for all TCs for the VSI
*/
if (oicr & PFINT_OICR_GRST_M) {
u32 reset;
/* qcount will change if RSS is enabled */
if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) {
if (vsi->type == ICE_VSI_PF)
max_rss = ICE_MAX_LG_RSS_QS;
else
max_rss = ICE_MAX_SMALL_RSS_QS;
/* we have a reset warning */
ena_mask &= ~PFINT_OICR_GRST_M;
reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >>
GLGEN_RSTAT_RESET_TYPE_S;
qcount = min_t(int, numq_tc, max_rss);
qcount = min_t(int, qcount, vsi->rss_size);
} else {
qcount = numq_tc;
}
if (reset == ICE_RESET_CORER)
pf->corer_count++;
else if (reset == ICE_RESET_GLOBR)
pf->globr_count++;
else
pf->empr_count++;
/* find the (rounded up) power-of-2 of qcount */
pow = order_base_2(qcount);
/* If a reset cycle isn't already in progress, we set a bit in
* pf->state so that the service task can start a reset/rebuild.
* We also make note of which reset happened so that peer
* devices/drivers can be informed.
*/
if (!test_and_set_bit(__ICE_RESET_OICR_RECV, pf->state)) {
if (reset == ICE_RESET_CORER)
set_bit(__ICE_CORER_RECV, pf->state);
else if (reset == ICE_RESET_GLOBR)
set_bit(__ICE_GLOBR_RECV, pf->state);
else
set_bit(__ICE_EMPR_RECV, pf->state);
for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
/* TC is not enabled */
vsi->tc_cfg.tc_info[i].qoffset = 0;
vsi->tc_cfg.tc_info[i].qcount = 1;
ctxt->info.tc_mapping[i] = 0;
continue;
/* There are couple of different bits at play here.
* hw->reset_ongoing indicates whether the hardware is
* in reset. This is set to true when a reset interrupt
* is received and set back to false after the driver
* has determined that the hardware is out of reset.
*
* __ICE_RESET_OICR_RECV in pf->state indicates
* that a post reset rebuild is required before the
* driver is operational again. This is set above.
*
* As this is the start of the reset/rebuild cycle, set
* both to indicate that.
*/
hw->reset_ongoing = true;
}
/* TC is enabled */
vsi->tc_cfg.tc_info[i].qoffset = offset;
vsi->tc_cfg.tc_info[i].qcount = qcount;
qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
ICE_AQ_VSI_TC_Q_OFFSET_M) |
((pow << ICE_AQ_VSI_TC_Q_NUM_S) &
ICE_AQ_VSI_TC_Q_NUM_M);
offset += qcount;
ctxt->info.tc_mapping[i] = cpu_to_le16(qmap);
}
vsi->num_txq = qcount_tx;
vsi->num_rxq = offset;
/* Rx queue mapping */
ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG);
/* q_mapping buffer holds the info for the first queue allocated for
* this VSI in the PF space and also the number of queues associated
* with this VSI.
*/
ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq);
}
/**
* ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI
* @ctxt: the VSI context being set
*
* This initializes a default VSI context for all sections except the Queues.
*/
static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt)
{
u32 table = 0;
memset(&ctxt->info, 0, sizeof(ctxt->info));
/* VSI's should be allocated from shared pool */
ctxt->alloc_from_pool = true;
/* Src pruning enabled by default */
ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE;
/* Traffic from VSI can be sent to LAN */
ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA;
/* By default bits 3 and 4 in vlan_flags are 0's which results in legacy
* behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all
* packets untagged/tagged.
*/
ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL &
ICE_AQ_VSI_VLAN_MODE_M) >>
ICE_AQ_VSI_VLAN_MODE_S);
/* Have 1:1 UP mapping for both ingress/egress tables */
table |= ICE_UP_TABLE_TRANSLATE(0, 0);
table |= ICE_UP_TABLE_TRANSLATE(1, 1);
table |= ICE_UP_TABLE_TRANSLATE(2, 2);
table |= ICE_UP_TABLE_TRANSLATE(3, 3);
table |= ICE_UP_TABLE_TRANSLATE(4, 4);
table |= ICE_UP_TABLE_TRANSLATE(5, 5);
table |= ICE_UP_TABLE_TRANSLATE(6, 6);
table |= ICE_UP_TABLE_TRANSLATE(7, 7);
ctxt->info.ingress_table = cpu_to_le32(table);
ctxt->info.egress_table = cpu_to_le32(table);
/* Have 1:1 UP mapping for outer to inner UP table */
ctxt->info.outer_up_table = cpu_to_le32(table);
/* No Outer tag support outer_tag_flags remains to zero */
}
/**
* ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI
* @ctxt: the VSI context being set
* @vsi: the VSI being configured
*/
static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
{
u8 lut_type, hash_type;
switch (vsi->type) {
case ICE_VSI_PF:
/* PF VSI will inherit RSS instance of PF */
lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF;
hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
break;
default:
dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
return;
}
ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
}
/**
* ice_vsi_init - Create and initialize a VSI
* @vsi: the VSI being configured
*
* This initializes a VSI context depending on the VSI type to be added and
* passes it down to the add_vsi aq command to create a new VSI.
*/
static int ice_vsi_init(struct ice_vsi *vsi)
{
struct ice_vsi_ctx ctxt = { 0 };
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
int ret = 0;
switch (vsi->type) {
case ICE_VSI_PF:
ctxt.flags = ICE_AQ_VSI_TYPE_PF;
break;
default:
return -ENODEV;
}
ice_set_dflt_vsi_ctx(&ctxt);
/* if the switch is in VEB mode, allow VSI loopback */
if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB)
ctxt.info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
/* Set LUT type and HASH type if RSS is enabled */
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_set_rss_vsi_ctx(&ctxt, vsi);
ctxt.info.sw_id = vsi->port_info->sw_id;
ice_vsi_setup_q_map(vsi, &ctxt);
ret = ice_add_vsi(hw, vsi->idx, &ctxt, NULL);
if (ret) {
dev_err(&pf->pdev->dev,
"Add VSI failed, err %d\n", ret);
return -EIO;
}
/* keep context for update VSI operations */
vsi->info = ctxt.info;
/* record VSI number returned */
vsi->vsi_num = ctxt.vsi_num;
return ret;
}
/**
* ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW
* @vsi: the VSI being cleaned up
*/
static void ice_vsi_release_msix(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
u16 vector = vsi->base_vector;
struct ice_hw *hw = &pf->hw;
u32 txq = 0;
u32 rxq = 0;
int i, q;
for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
struct ice_q_vector *q_vector = vsi->q_vectors[i];
wr32(hw, GLINT_ITR(ICE_RX_ITR, vector), 0);
wr32(hw, GLINT_ITR(ICE_TX_ITR, vector), 0);
for (q = 0; q < q_vector->num_ring_tx; q++) {
wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
txq++;
}
for (q = 0; q < q_vector->num_ring_rx; q++) {
wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0);
rxq++;
}
}
ice_flush(hw);
}
/**
* ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI
* @vsi: the VSI having rings deallocated
*/
static void ice_vsi_clear_rings(struct ice_vsi *vsi)
{
int i;
if (vsi->tx_rings) {
for (i = 0; i < vsi->alloc_txq; i++) {
if (vsi->tx_rings[i]) {
kfree_rcu(vsi->tx_rings[i], rcu);
vsi->tx_rings[i] = NULL;
}
}
}
if (vsi->rx_rings) {
for (i = 0; i < vsi->alloc_rxq; i++) {
if (vsi->rx_rings[i]) {
kfree_rcu(vsi->rx_rings[i], rcu);
vsi->rx_rings[i] = NULL;
}
}
}
}
/**
* ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI
* @vsi: VSI which is having rings allocated
*/
static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int i;
/* Allocate tx_rings */
for (i = 0; i < vsi->alloc_txq; i++) {
struct ice_ring *ring;
/* allocate with kzalloc(), free with kfree_rcu() */
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto err_out;
ring->q_index = i;
ring->reg_idx = vsi->txq_map[i];
ring->ring_active = false;
ring->vsi = vsi;
ring->netdev = vsi->netdev;
ring->dev = &pf->pdev->dev;
ring->count = vsi->num_desc;
vsi->tx_rings[i] = ring;
}
/* Allocate rx_rings */
for (i = 0; i < vsi->alloc_rxq; i++) {
struct ice_ring *ring;
/* allocate with kzalloc(), free with kfree_rcu() */
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto err_out;
ring->q_index = i;
ring->reg_idx = vsi->rxq_map[i];
ring->ring_active = false;
ring->vsi = vsi;
ring->netdev = vsi->netdev;
ring->dev = &pf->pdev->dev;
ring->count = vsi->num_desc;
vsi->rx_rings[i] = ring;
}
return 0;
err_out:
ice_vsi_clear_rings(vsi);
return -ENOMEM;
}
/**
* ice_vsi_free_irq - Free the irq association with the OS
* @vsi: the VSI being configured
*/
static void ice_vsi_free_irq(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int base = vsi->base_vector;
if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
int i;
if (!vsi->q_vectors || !vsi->irqs_ready)
return;
vsi->irqs_ready = false;
for (i = 0; i < vsi->num_q_vectors; i++) {
u16 vector = i + base;
int irq_num;
irq_num = pf->msix_entries[vector].vector;
/* free only the irqs that were actually requested */
if (!vsi->q_vectors[i] ||
!(vsi->q_vectors[i]->num_ring_tx ||
vsi->q_vectors[i]->num_ring_rx))
continue;
/* clear the affinity notifier in the IRQ descriptor */
irq_set_affinity_notifier(irq_num, NULL);
/* clear the affinity_mask in the IRQ descriptor */
irq_set_affinity_hint(irq_num, NULL);
synchronize_irq(irq_num);
devm_free_irq(&pf->pdev->dev, irq_num,
vsi->q_vectors[i]);
}
ice_vsi_release_msix(vsi);
}
}
/**
* ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW
* @vsi: the VSI being configured
*/
static void ice_vsi_cfg_msix(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
u16 vector = vsi->base_vector;
struct ice_hw *hw = &pf->hw;
u32 txq = 0, rxq = 0;
int i, q, itr;
u8 itr_gran;
for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
struct ice_q_vector *q_vector = vsi->q_vectors[i];
itr_gran = hw->itr_gran_200;
if (q_vector->num_ring_rx) {
q_vector->rx.itr =
ITR_TO_REG(vsi->rx_rings[rxq]->rx_itr_setting,
itr_gran);
q_vector->rx.latency_range = ICE_LOW_LATENCY;
}
if (q_vector->num_ring_tx) {
q_vector->tx.itr =
ITR_TO_REG(vsi->tx_rings[txq]->tx_itr_setting,
itr_gran);
q_vector->tx.latency_range = ICE_LOW_LATENCY;
}
wr32(hw, GLINT_ITR(ICE_RX_ITR, vector), q_vector->rx.itr);
wr32(hw, GLINT_ITR(ICE_TX_ITR, vector), q_vector->tx.itr);
/* Both Transmit Queue Interrupt Cause Control register
* and Receive Queue Interrupt Cause control register
* expects MSIX_INDX field to be the vector index
* within the function space and not the absolute
* vector index across PF or across device.
* For SR-IOV VF VSIs queue vector index always starts
* with 1 since first vector index(0) is used for OICR
* in VF space. Since VMDq and other PF VSIs are withtin
* the PF function space, use the vector index thats
* tracked for this PF.
*/
for (q = 0; q < q_vector->num_ring_tx; q++) {
u32 val;
itr = ICE_TX_ITR;
val = QINT_TQCTL_CAUSE_ENA_M |
(itr << QINT_TQCTL_ITR_INDX_S) |
(vector << QINT_TQCTL_MSIX_INDX_S);
wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val);
txq++;
}
for (q = 0; q < q_vector->num_ring_rx; q++) {
u32 val;
itr = ICE_RX_ITR;
val = QINT_RQCTL_CAUSE_ENA_M |
(itr << QINT_RQCTL_ITR_INDX_S) |
(vector << QINT_RQCTL_MSIX_INDX_S);
wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val);
rxq++;
}
}
ice_flush(hw);
}
/**
* ice_ena_misc_vector - enable the non-queue interrupts
* @pf: board private structure
*/
static void ice_ena_misc_vector(struct ice_pf *pf)
{
struct ice_hw *hw = &pf->hw;
u32 val;
/* clear things first */
wr32(hw, PFINT_OICR_ENA, 0); /* disable all */
rd32(hw, PFINT_OICR); /* read to clear */
val = (PFINT_OICR_ECC_ERR_M |
PFINT_OICR_MAL_DETECT_M |
PFINT_OICR_GRST_M |
PFINT_OICR_PCI_EXCEPTION_M |
PFINT_OICR_HMC_ERR_M |
PFINT_OICR_PE_CRITERR_M);
wr32(hw, PFINT_OICR_ENA, val);
/* SW_ITR_IDX = 0, but don't change INTENA */
wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M);
}
/**
* ice_misc_intr - misc interrupt handler
* @irq: interrupt number
* @data: pointer to a q_vector
*/
static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
{
struct ice_pf *pf = (struct ice_pf *)data;
struct ice_hw *hw = &pf->hw;
irqreturn_t ret = IRQ_NONE;
u32 oicr, ena_mask;
set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
oicr = rd32(hw, PFINT_OICR);
ena_mask = rd32(hw, PFINT_OICR_ENA);
if (oicr & PFINT_OICR_MAL_DETECT_M) {
ena_mask &= ~PFINT_OICR_MAL_DETECT_M;
set_bit(__ICE_MDD_EVENT_PENDING, pf->state);
}
if (oicr & PFINT_OICR_GRST_M) {
u32 reset;
/* we have a reset warning */
ena_mask &= ~PFINT_OICR_GRST_M;
reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >>
GLGEN_RSTAT_RESET_TYPE_S;
if (reset == ICE_RESET_CORER)
pf->corer_count++;
else if (reset == ICE_RESET_GLOBR)
pf->globr_count++;
else
pf->empr_count++;
/* If a reset cycle isn't already in progress, we set a bit in
* pf->state so that the service task can start a reset/rebuild.
* We also make note of which reset happened so that peer
* devices/drivers can be informed.
*/
if (!test_and_set_bit(__ICE_RESET_RECOVERY_PENDING,
pf->state)) {
if (reset == ICE_RESET_CORER)
set_bit(__ICE_CORER_RECV, pf->state);
else if (reset == ICE_RESET_GLOBR)
set_bit(__ICE_GLOBR_RECV, pf->state);
else
set_bit(__ICE_EMPR_RECV, pf->state);
/* There are couple of different bits at play here.
* hw->reset_ongoing indicates whether the hardware is
* in reset. This is set to true when a reset interrupt
* is received and set back to false after the driver
* has determined that the hardware is out of reset.
*
* __ICE_RESET_RECOVERY_PENDING in pf->state indicates
* that a post reset rebuild is required before the
* driver is operational again. This is set above.
*
* As this is the start of the reset/rebuild cycle, set
* both to indicate that.
*/
hw->reset_ongoing = true;
}
}
if (oicr & PFINT_OICR_HMC_ERR_M) {
ena_mask &= ~PFINT_OICR_HMC_ERR_M;
dev_dbg(&pf->pdev->dev,
"HMC Error interrupt - info 0x%x, data 0x%x\n",
rd32(hw, PFHMC_ERRORINFO),
rd32(hw, PFHMC_ERRORDATA));
}
if (oicr & PFINT_OICR_HMC_ERR_M) {
ena_mask &= ~PFINT_OICR_HMC_ERR_M;
dev_dbg(&pf->pdev->dev,
"HMC Error interrupt - info 0x%x, data 0x%x\n",
rd32(hw, PFHMC_ERRORINFO),
rd32(hw, PFHMC_ERRORDATA));
}
/* Report and mask off any remaining unexpected interrupts */
oicr &= ena_mask;
......@@ -2096,208 +1310,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
return ret;
}
/**
* ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors
* @vsi: the VSI being configured
*
* This function maps descriptor rings to the queue-specific vectors allotted
* through the MSI-X enabling code. On a constrained vector budget, we map Tx
* and Rx rings to the vector as "efficiently" as possible.
*/
static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
{
int q_vectors = vsi->num_q_vectors;
int tx_rings_rem, rx_rings_rem;
int v_id;
/* initially assigning remaining rings count to VSIs num queue value */
tx_rings_rem = vsi->num_txq;
rx_rings_rem = vsi->num_rxq;
for (v_id = 0; v_id < q_vectors; v_id++) {
struct ice_q_vector *q_vector = vsi->q_vectors[v_id];
int tx_rings_per_v, rx_rings_per_v, q_id, q_base;
/* Tx rings mapping to vector */
tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id);
q_vector->num_ring_tx = tx_rings_per_v;
q_vector->tx.ring = NULL;
q_base = vsi->num_txq - tx_rings_rem;
for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) {
struct ice_ring *tx_ring = vsi->tx_rings[q_id];
tx_ring->q_vector = q_vector;
tx_ring->next = q_vector->tx.ring;
q_vector->tx.ring = tx_ring;
}
tx_rings_rem -= tx_rings_per_v;
/* Rx rings mapping to vector */
rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id);
q_vector->num_ring_rx = rx_rings_per_v;
q_vector->rx.ring = NULL;
q_base = vsi->num_rxq - rx_rings_rem;
for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) {
struct ice_ring *rx_ring = vsi->rx_rings[q_id];
rx_ring->q_vector = q_vector;
rx_ring->next = q_vector->rx.ring;
q_vector->rx.ring = rx_ring;
}
rx_rings_rem -= rx_rings_per_v;
}
}
/**
* ice_vsi_set_num_qs - Set num queues, descriptors and vectors for a VSI
* @vsi: the VSI being configured
*
* Return 0 on success and a negative value on error
*/
static void ice_vsi_set_num_qs(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
switch (vsi->type) {
case ICE_VSI_PF:
vsi->alloc_txq = pf->num_lan_tx;
vsi->alloc_rxq = pf->num_lan_rx;
vsi->num_desc = ALIGN(ICE_DFLT_NUM_DESC, ICE_REQ_DESC_MULTIPLE);
vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx);
break;
default:
dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
break;
}
}
/**
* ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the vsi
* @vsi: VSI pointer
* @alloc_qvectors: a bool to specify if q_vectors need to be allocated.
*
* On error: returns error code (negative)
* On success: returns 0
*/
static int ice_vsi_alloc_arrays(struct ice_vsi *vsi, bool alloc_qvectors)
{
struct ice_pf *pf = vsi->back;
/* allocate memory for both Tx and Rx ring pointers */
vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq,
sizeof(struct ice_ring *), GFP_KERNEL);
if (!vsi->tx_rings)
goto err_txrings;
vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq,
sizeof(struct ice_ring *), GFP_KERNEL);
if (!vsi->rx_rings)
goto err_rxrings;
if (alloc_qvectors) {
/* allocate memory for q_vector pointers */
vsi->q_vectors = devm_kcalloc(&pf->pdev->dev,
vsi->num_q_vectors,
sizeof(struct ice_q_vector *),
GFP_KERNEL);
if (!vsi->q_vectors)
goto err_vectors;
}
return 0;
err_vectors:
devm_kfree(&pf->pdev->dev, vsi->rx_rings);
err_rxrings:
devm_kfree(&pf->pdev->dev, vsi->tx_rings);
err_txrings:
return -ENOMEM;
}
/**
* ice_msix_clean_rings - MSIX mode Interrupt Handler
* @irq: interrupt number
* @data: pointer to a q_vector
*/
static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data)
{
struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
if (!q_vector->tx.ring && !q_vector->rx.ring)
return IRQ_HANDLED;
napi_schedule(&q_vector->napi);
return IRQ_HANDLED;
}
/**
* ice_vsi_alloc - Allocates the next available struct vsi in the PF
* @pf: board private structure
* @type: type of VSI
*
* returns a pointer to a VSI on success, NULL on failure.
*/
static struct ice_vsi *ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type)
{
struct ice_vsi *vsi = NULL;
/* Need to protect the allocation of the VSIs at the PF level */
mutex_lock(&pf->sw_mutex);
/* If we have already allocated our maximum number of VSIs,
* pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index
* is available to be populated
*/
if (pf->next_vsi == ICE_NO_VSI) {
dev_dbg(&pf->pdev->dev, "out of VSI slots!\n");
goto unlock_pf;
}
vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL);
if (!vsi)
goto unlock_pf;
vsi->type = type;
vsi->back = pf;
set_bit(__ICE_DOWN, vsi->state);
vsi->idx = pf->next_vsi;
vsi->work_lmt = ICE_DFLT_IRQ_WORK;
ice_vsi_set_num_qs(vsi);
switch (vsi->type) {
case ICE_VSI_PF:
if (ice_vsi_alloc_arrays(vsi, true))
goto err_rings;
/* Setup default MSIX irq handler for VSI */
vsi->irq_handler = ice_msix_clean_rings;
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
goto unlock_pf;
}
/* fill VSI slot in the PF struct */
pf->vsi[pf->next_vsi] = vsi;
/* prepare pf->next_vsi for next use */
pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
pf->next_vsi);
goto unlock_pf;
err_rings:
devm_kfree(&pf->pdev->dev, vsi);
vsi = NULL;
unlock_pf:
mutex_unlock(&pf->sw_mutex);
return vsi;
}
/**
* ice_free_irq_msix_misc - Unroll misc vector setup
* @pf: board private structure
......@@ -2341,7 +1353,7 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf)
* lost during reset. Note that this function is called only during
* rebuild path and not while reset is in progress.
*/
if (ice_is_reset_recovery_pending(pf->state))
if (ice_is_reset_in_progress(pf->state))
goto skip_req_irq;
/* reserve one vector in irq_tracker for misc interrupts */
......@@ -2380,215 +1392,49 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf)
ITR_TO_REG(ICE_ITR_8K, itr_gran));
ice_flush(hw);
ice_irq_dynamic_ena(hw, NULL, NULL);
return 0;
}
/**
* ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI
* @vsi: the VSI getting queues
*
* Return 0 on success and a negative value on error
*/
static int ice_vsi_get_qs_contig(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int offset, ret = 0;
mutex_lock(&pf->avail_q_mutex);
/* look for contiguous block of queues for tx */
offset = bitmap_find_next_zero_area(pf->avail_txqs, ICE_MAX_TXQS,
0, vsi->alloc_txq, 0);
if (offset < ICE_MAX_TXQS) {
int i;
bitmap_set(pf->avail_txqs, offset, vsi->alloc_txq);
for (i = 0; i < vsi->alloc_txq; i++)
vsi->txq_map[i] = i + offset;
} else {
ret = -ENOMEM;
vsi->tx_mapping_mode = ICE_VSI_MAP_SCATTER;
}
/* look for contiguous block of queues for rx */
offset = bitmap_find_next_zero_area(pf->avail_rxqs, ICE_MAX_RXQS,
0, vsi->alloc_rxq, 0);
if (offset < ICE_MAX_RXQS) {
int i;
bitmap_set(pf->avail_rxqs, offset, vsi->alloc_rxq);
for (i = 0; i < vsi->alloc_rxq; i++)
vsi->rxq_map[i] = i + offset;
} else {
ret = -ENOMEM;
vsi->rx_mapping_mode = ICE_VSI_MAP_SCATTER;
}
mutex_unlock(&pf->avail_q_mutex);
return ret;
}
/**
* ice_vsi_get_qs_scatter - Assign a scattered queues to VSI
* @vsi: the VSI getting queues
*
* Return 0 on success and a negative value on error
*/
static int ice_vsi_get_qs_scatter(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int i, index = 0;
mutex_lock(&pf->avail_q_mutex);
if (vsi->tx_mapping_mode == ICE_VSI_MAP_SCATTER) {
for (i = 0; i < vsi->alloc_txq; i++) {
index = find_next_zero_bit(pf->avail_txqs,
ICE_MAX_TXQS, index);
if (index < ICE_MAX_TXQS) {
set_bit(index, pf->avail_txqs);
vsi->txq_map[i] = index;
} else {
goto err_scatter_tx;
}
}
}
if (vsi->rx_mapping_mode == ICE_VSI_MAP_SCATTER) {
for (i = 0; i < vsi->alloc_rxq; i++) {
index = find_next_zero_bit(pf->avail_rxqs,
ICE_MAX_RXQS, index);
if (index < ICE_MAX_RXQS) {
set_bit(index, pf->avail_rxqs);
vsi->rxq_map[i] = index;
} else {
goto err_scatter_rx;
}
}
}
mutex_unlock(&pf->avail_q_mutex);
return 0;
err_scatter_rx:
/* unflag any queues we have grabbed (i is failed position) */
for (index = 0; index < i; index++) {
clear_bit(vsi->rxq_map[index], pf->avail_rxqs);
vsi->rxq_map[index] = 0;
}
i = vsi->alloc_txq;
err_scatter_tx:
/* i is either position of failed attempt or vsi->alloc_txq */
for (index = 0; index < i; index++) {
clear_bit(vsi->txq_map[index], pf->avail_txqs);
vsi->txq_map[index] = 0;
}
mutex_unlock(&pf->avail_q_mutex);
return -ENOMEM;
}
/**
* ice_vsi_get_qs - Assign queues from PF to VSI
* @vsi: the VSI to assign queues to
*
* Returns 0 on success and a negative value on error
*/
static int ice_vsi_get_qs(struct ice_vsi *vsi)
{
int ret = 0;
vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG;
vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG;
/* NOTE: ice_vsi_get_qs_contig() will set the rx/tx mapping
* modes individually to scatter if assigning contiguous queues
* to rx or tx fails
*/
ret = ice_vsi_get_qs_contig(vsi);
if (ret < 0) {
if (vsi->tx_mapping_mode == ICE_VSI_MAP_SCATTER)
vsi->alloc_txq = max_t(u16, vsi->alloc_txq,
ICE_MAX_SCATTER_TXQS);
if (vsi->rx_mapping_mode == ICE_VSI_MAP_SCATTER)
vsi->alloc_rxq = max_t(u16, vsi->alloc_rxq,
ICE_MAX_SCATTER_RXQS);
ret = ice_vsi_get_qs_scatter(vsi);
}
return ret;
}
/**
* ice_vsi_put_qs - Release queues from VSI to PF
* @vsi: the VSI thats going to release queues
*/
static void ice_vsi_put_qs(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int i;
mutex_lock(&pf->avail_q_mutex);
for (i = 0; i < vsi->alloc_txq; i++) {
clear_bit(vsi->txq_map[i], pf->avail_txqs);
vsi->txq_map[i] = ICE_INVAL_Q_INDEX;
}
for (i = 0; i < vsi->alloc_rxq; i++) {
clear_bit(vsi->rxq_map[i], pf->avail_rxqs);
vsi->rxq_map[i] = ICE_INVAL_Q_INDEX;
}
ice_irq_dynamic_ena(hw, NULL, NULL);
mutex_unlock(&pf->avail_q_mutex);
return 0;
}
/**
* ice_free_q_vector - Free memory allocated for a specific interrupt vector
* @vsi: VSI having the memory freed
* @v_idx: index of the vector to be freed
* ice_napi_del - Remove NAPI handler for the VSI
* @vsi: VSI for which NAPI handler is to be removed
*/
static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx)
static void ice_napi_del(struct ice_vsi *vsi)
{
struct ice_q_vector *q_vector;
struct ice_ring *ring;
int v_idx;
if (!vsi->q_vectors[v_idx]) {
dev_dbg(&vsi->back->pdev->dev, "Queue vector at index %d not found\n",
v_idx);
if (!vsi->netdev)
return;
}
q_vector = vsi->q_vectors[v_idx];
ice_for_each_ring(ring, q_vector->tx)
ring->q_vector = NULL;
ice_for_each_ring(ring, q_vector->rx)
ring->q_vector = NULL;
/* only VSI with an associated netdev is set up with NAPI */
if (vsi->netdev)
netif_napi_del(&q_vector->napi);
devm_kfree(&vsi->back->pdev->dev, q_vector);
vsi->q_vectors[v_idx] = NULL;
for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++)
netif_napi_del(&vsi->q_vectors[v_idx]->napi);
}
/**
* ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors
* @vsi: the VSI having memory freed
* ice_napi_add - register NAPI handler for the VSI
* @vsi: VSI for which NAPI handler is to be registered
*
* This function is only called in the driver's load path. Registering the NAPI
* handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume,
* reset/rebuild, etc.)
*/
static void ice_vsi_free_q_vectors(struct ice_vsi *vsi)
static void ice_napi_add(struct ice_vsi *vsi)
{
int v_idx;
if (!vsi->netdev)
return;
for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++)
ice_free_q_vector(vsi, v_idx);
netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi,
ice_napi_poll, NAPI_POLL_WEIGHT);
}
/**
* ice_cfg_netdev - Setup the netdev flags
* @vsi: the VSI being configured
* ice_cfg_netdev - Allocate, configure and register a netdev
* @vsi: the VSI associated with the new netdev
*
* Returns 0 on success, negative value on failure
*/
......@@ -2601,6 +1447,7 @@ static int ice_cfg_netdev(struct ice_vsi *vsi)
struct ice_netdev_priv *np;
struct net_device *netdev;
u8 mac_addr[ETH_ALEN];
int err;
netdev = alloc_etherdev_mqs(sizeof(struct ice_netdev_priv),
vsi->alloc_txq, vsi->alloc_rxq);
......@@ -2658,195 +1505,14 @@ static int ice_cfg_netdev(struct ice_vsi *vsi)
netdev->min_mtu = ETH_MIN_MTU;
netdev->max_mtu = ICE_MAX_MTU;
return 0;
}
/**
* ice_vsi_free_arrays - clean up vsi resources
* @vsi: pointer to VSI being cleared
* @free_qvectors: bool to specify if q_vectors should be deallocated
*/
static void ice_vsi_free_arrays(struct ice_vsi *vsi, bool free_qvectors)
{
struct ice_pf *pf = vsi->back;
/* free the ring and vector containers */
if (free_qvectors && vsi->q_vectors) {
devm_kfree(&pf->pdev->dev, vsi->q_vectors);
vsi->q_vectors = NULL;
}
if (vsi->tx_rings) {
devm_kfree(&pf->pdev->dev, vsi->tx_rings);
vsi->tx_rings = NULL;
}
if (vsi->rx_rings) {
devm_kfree(&pf->pdev->dev, vsi->rx_rings);
vsi->rx_rings = NULL;
}
}
/**
* ice_vsi_clear - clean up and deallocate the provided vsi
* @vsi: pointer to VSI being cleared
*
* This deallocates the vsi's queue resources, removes it from the PF's
* VSI array if necessary, and deallocates the VSI
*
* Returns 0 on success, negative on failure
*/
static int ice_vsi_clear(struct ice_vsi *vsi)
{
struct ice_pf *pf = NULL;
if (!vsi)
return 0;
if (!vsi->back)
return -EINVAL;
pf = vsi->back;
if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) {
dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n",
vsi->idx);
return -EINVAL;
}
mutex_lock(&pf->sw_mutex);
/* updates the PF for this cleared vsi */
pf->vsi[vsi->idx] = NULL;
if (vsi->idx < pf->next_vsi)
pf->next_vsi = vsi->idx;
ice_vsi_free_arrays(vsi, true);
mutex_unlock(&pf->sw_mutex);
devm_kfree(&pf->pdev->dev, vsi);
return 0;
}
/**
* ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector
* @vsi: the VSI being configured
* @v_idx: index of the vector in the vsi struct
*
* We allocate one q_vector. If allocation fails we return -ENOMEM.
*/
static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx)
{
struct ice_pf *pf = vsi->back;
struct ice_q_vector *q_vector;
/* allocate q_vector */
q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL);
if (!q_vector)
return -ENOMEM;
q_vector->vsi = vsi;
q_vector->v_idx = v_idx;
/* only set affinity_mask if the CPU is online */
if (cpu_online(v_idx))
cpumask_set_cpu(v_idx, &q_vector->affinity_mask);
if (vsi->netdev)
netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll,
NAPI_POLL_WEIGHT);
/* tie q_vector and vsi together */
vsi->q_vectors[v_idx] = q_vector;
return 0;
}
/**
* ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors
* @vsi: the VSI being configured
*
* We allocate one q_vector per queue interrupt. If allocation fails we
* return -ENOMEM.
*/
static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int v_idx = 0, num_q_vectors;
int err;
if (vsi->q_vectors[0]) {
dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n",
vsi->vsi_num);
return -EEXIST;
}
if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
num_q_vectors = vsi->num_q_vectors;
} else {
err = -EINVAL;
goto err_out;
}
for (v_idx = 0; v_idx < num_q_vectors; v_idx++) {
err = ice_vsi_alloc_q_vector(vsi, v_idx);
if (err)
goto err_out;
}
return 0;
err_out:
while (v_idx--)
ice_free_q_vector(vsi, v_idx);
dev_err(&pf->pdev->dev,
"Failed to allocate %d q_vector for VSI %d, ret=%d\n",
vsi->num_q_vectors, vsi->vsi_num, err);
vsi->num_q_vectors = 0;
return err;
}
/**
* ice_vsi_setup_vector_base - Set up the base vector for the given VSI
* @vsi: ptr to the VSI
*
* This should only be called after ice_vsi_alloc() which allocates the
* corresponding SW VSI structure and initializes num_queue_pairs for the
* newly allocated VSI.
*
* Returns 0 on success or negative on failure
*/
static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
int num_q_vectors = 0;
if (vsi->base_vector) {
dev_dbg(&pf->pdev->dev, "VSI %d has non-zero base vector %d\n",
vsi->vsi_num, vsi->base_vector);
return -EEXIST;
}
if (!test_bit(ICE_FLAG_MSIX_ENA, pf->flags))
return -ENOENT;
switch (vsi->type) {
case ICE_VSI_PF:
num_q_vectors = vsi->num_q_vectors;
break;
default:
dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
break;
}
err = register_netdev(vsi->netdev);
if (err)
return err;
if (num_q_vectors)
vsi->base_vector = ice_get_res(pf, pf->irq_tracker,
num_q_vectors, vsi->idx);
netif_carrier_off(vsi->netdev);
if (vsi->base_vector < 0) {
dev_err(&pf->pdev->dev,
"Failed to get tracking for %d vectors for VSI %d, err=%d\n",
num_q_vectors, vsi->vsi_num, vsi->base_vector);
return -ENOENT;
}
/* make sure transmit queues start off as stopped */
netif_tx_stop_all_queues(vsi->netdev);
return 0;
}
......@@ -2865,275 +1531,6 @@ void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size)
lut[i] = i % rss_size;
}
/**
* ice_vsi_cfg_rss - Configure RSS params for a VSI
* @vsi: VSI to be configured
*/
static int ice_vsi_cfg_rss(struct ice_vsi *vsi)
{
u8 seed[ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE];
struct ice_aqc_get_set_rss_keys *key;
struct ice_pf *pf = vsi->back;
enum ice_status status;
int err = 0;
u8 *lut;
vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq);
lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL);
if (!lut)
return -ENOMEM;
if (vsi->rss_lut_user)
memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
else
ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
status = ice_aq_set_rss_lut(&pf->hw, vsi->vsi_num, vsi->rss_lut_type,
lut, vsi->rss_table_size);
if (status) {
dev_err(&vsi->back->pdev->dev,
"set_rss_lut failed, error %d\n", status);
err = -EIO;
goto ice_vsi_cfg_rss_exit;
}
key = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*key), GFP_KERNEL);
if (!key) {
err = -ENOMEM;
goto ice_vsi_cfg_rss_exit;
}
if (vsi->rss_hkey_user)
memcpy(seed, vsi->rss_hkey_user,
ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE);
else
netdev_rss_key_fill((void *)seed,
ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE);
memcpy(&key->standard_rss_key, seed,
ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE);
status = ice_aq_set_rss_key(&pf->hw, vsi->vsi_num, key);
if (status) {
dev_err(&vsi->back->pdev->dev, "set_rss_key failed, error %d\n",
status);
err = -EIO;
}
devm_kfree(&pf->pdev->dev, key);
ice_vsi_cfg_rss_exit:
devm_kfree(&pf->pdev->dev, lut);
return err;
}
/**
* ice_vsi_rebuild - Rebuild VSI after reset
* @vsi: vsi to be rebuild
*
* Returns 0 on success and negative value on failure
*/
static int ice_vsi_rebuild(struct ice_vsi *vsi)
{
u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
int ret, i;
if (!vsi)
return -EINVAL;
ice_vsi_free_q_vectors(vsi);
ice_free_res(vsi->back->irq_tracker, vsi->base_vector, vsi->idx);
vsi->base_vector = 0;
ice_vsi_clear_rings(vsi);
ice_vsi_free_arrays(vsi, false);
ice_vsi_set_num_qs(vsi);
/* Initialize VSI struct elements and create VSI in FW */
ret = ice_vsi_init(vsi);
if (ret < 0)
goto err_vsi;
ret = ice_vsi_alloc_arrays(vsi, false);
if (ret < 0)
goto err_vsi;
switch (vsi->type) {
case ICE_VSI_PF:
/* fall through */
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
goto err_rings;
ret = ice_vsi_setup_vector_base(vsi);
if (ret)
goto err_vectors;
ret = ice_vsi_alloc_rings(vsi);
if (ret)
goto err_vectors;
ice_vsi_map_rings_to_vectors(vsi);
break;
default:
break;
}
ice_vsi_set_tc_cfg(vsi);
/* configure VSI nodes based on number of queues and TC's */
for (i = 0; i < vsi->tc_cfg.numtc; i++)
max_txqs[i] = vsi->num_txq;
ret = ice_cfg_vsi_lan(vsi->port_info, vsi->vsi_num,
vsi->tc_cfg.ena_tc, max_txqs);
if (ret) {
dev_info(&vsi->back->pdev->dev,
"Failed VSI lan queue config\n");
goto err_vectors;
}
return 0;
err_vectors:
ice_vsi_free_q_vectors(vsi);
err_rings:
if (vsi->netdev) {
vsi->current_netdev_flags = 0;
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
}
err_vsi:
ice_vsi_clear(vsi);
set_bit(__ICE_RESET_FAILED, vsi->back->state);
return ret;
}
/**
* ice_vsi_setup - Set up a VSI by a given type
* @pf: board private structure
* @pi: pointer to the port_info instance
* @type: VSI type
* @vf_id: defines VF id to which this VSI connects. This field is meant to be
* used only for ICE_VSI_VF VSI type. For other VSI types, should
* fill-in ICE_INVAL_VFID as input.
*
* This allocates the sw VSI structure and its queue resources.
*
* Returns pointer to the successfully allocated and configured VSI sw struct on
* success, NULL on failure.
*/
static struct ice_vsi *
ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
enum ice_vsi_type type, u16 __always_unused vf_id)
{
u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
struct device *dev = &pf->pdev->dev;
struct ice_vsi *vsi;
int ret, i;
vsi = ice_vsi_alloc(pf, type);
if (!vsi) {
dev_err(dev, "could not allocate VSI\n");
return NULL;
}
vsi->port_info = pi;
vsi->vsw = pf->first_sw;
if (ice_vsi_get_qs(vsi)) {
dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
vsi->idx);
goto err_get_qs;
}
/* set RSS capabilities */
ice_vsi_set_rss_params(vsi);
/* create the VSI */
ret = ice_vsi_init(vsi);
if (ret)
goto err_vsi;
switch (vsi->type) {
case ICE_VSI_PF:
ret = ice_cfg_netdev(vsi);
if (ret)
goto err_cfg_netdev;
ret = register_netdev(vsi->netdev);
if (ret)
goto err_register_netdev;
netif_carrier_off(vsi->netdev);
/* make sure transmit queues start off as stopped */
netif_tx_stop_all_queues(vsi->netdev);
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
goto err_msix;
ret = ice_vsi_setup_vector_base(vsi);
if (ret)
goto err_rings;
ret = ice_vsi_alloc_rings(vsi);
if (ret)
goto err_rings;
ice_vsi_map_rings_to_vectors(vsi);
/* Do not exit if configuring RSS had an issue, at least
* receive traffic on first queue. Hence no need to capture
* return value
*/
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_vsi_cfg_rss(vsi);
break;
default:
/* if vsi type is not recognized, clean up the resources and
* exit
*/
goto err_rings;
}
ice_vsi_set_tc_cfg(vsi);
/* configure VSI nodes based on number of queues and TC's */
for (i = 0; i < vsi->tc_cfg.numtc; i++)
max_txqs[i] = vsi->num_txq;
ret = ice_cfg_vsi_lan(vsi->port_info, vsi->vsi_num,
vsi->tc_cfg.ena_tc, max_txqs);
if (ret) {
dev_info(&pf->pdev->dev, "Failed VSI lan queue config\n");
goto err_rings;
}
return vsi;
err_rings:
ice_vsi_free_q_vectors(vsi);
err_msix:
if (vsi->netdev && vsi->netdev->reg_state == NETREG_REGISTERED)
unregister_netdev(vsi->netdev);
err_register_netdev:
if (vsi->netdev) {
free_netdev(vsi->netdev);
vsi->netdev = NULL;
}
err_cfg_netdev:
ice_vsi_delete(vsi);
err_vsi:
ice_vsi_put_qs(vsi);
err_get_qs:
pf->q_left_tx += vsi->alloc_txq;
pf->q_left_rx += vsi->alloc_rxq;
ice_vsi_clear(vsi);
return NULL;
}
/**
* ice_pf_vsi_setup - Set up a PF VSI
* @pf: board private structure
......@@ -3148,44 +1545,6 @@ ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID);
}
/**
* ice_vsi_add_vlan - Add vsi membership for given vlan
* @vsi: the vsi being configured
* @vid: vlan id to be added
*/
static int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
{
struct ice_fltr_list_entry *tmp;
struct ice_pf *pf = vsi->back;
LIST_HEAD(tmp_add_list);
enum ice_status status;
int err = 0;
tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL);
if (!tmp)
return -ENOMEM;
tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
tmp->fltr_info.flag = ICE_FLTR_TX;
tmp->fltr_info.src = vsi->vsi_num;
tmp->fltr_info.fwd_id.vsi_id = vsi->vsi_num;
tmp->fltr_info.l_data.vlan.vlan_id = vid;
INIT_LIST_HEAD(&tmp->list_entry);
list_add(&tmp->list_entry, &tmp_add_list);
status = ice_add_vlan(&pf->hw, &tmp_add_list);
if (status) {
err = -ENODEV;
dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n",
vid, vsi->vsi_num);
}
ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
return err;
}
/**
* ice_vlan_rx_add_vid - Add a vlan id filter to HW offload
* @netdev: network interface to be adjusted
......@@ -3224,47 +1583,9 @@ static int ice_vlan_rx_add_vid(struct net_device *netdev,
ret = ice_vsi_add_vlan(vsi, vid);
if (!ret)
set_bit(vid, vsi->active_vlans);
return ret;
}
/**
* ice_vsi_kill_vlan - Remove VSI membership for a given VLAN
* @vsi: the VSI being configured
* @vid: VLAN id to be removed
*
* Returns 0 on success and negative on failure
*/
static int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid)
{
struct ice_fltr_list_entry *list;
struct ice_pf *pf = vsi->back;
LIST_HEAD(tmp_add_list);
int status = 0;
list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL);
if (!list)
return -ENOMEM;
list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
list->fltr_info.fwd_id.vsi_id = vsi->vsi_num;
list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
list->fltr_info.l_data.vlan.vlan_id = vid;
list->fltr_info.flag = ICE_FLTR_TX;
list->fltr_info.src = vsi->vsi_num;
INIT_LIST_HEAD(&list->list_entry);
list_add(&list->list_entry, &tmp_add_list);
if (ice_remove_vlan(&pf->hw, &tmp_add_list)) {
dev_err(&pf->pdev->dev, "Error removing VLAN %d on vsi %i\n",
vid, vsi->vsi_num);
status = -EIO;
}
set_bit(vid, vsi->active_vlans);
ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
return status;
return ret;
}
/**
......@@ -3314,7 +1635,7 @@ static int ice_setup_pf_sw(struct ice_pf *pf)
struct ice_vsi *vsi;
int status = 0;
if (ice_is_reset_recovery_pending(pf->state))
if (ice_is_reset_in_progress(pf->state))
return -EBUSY;
vsi = ice_pf_vsi_setup(pf, pf->hw.port_info);
......@@ -3323,6 +1644,18 @@ static int ice_setup_pf_sw(struct ice_pf *pf)
goto unroll_vsi_setup;
}
status = ice_cfg_netdev(vsi);
if (status) {
status = -ENODEV;
goto unroll_vsi_setup;
}
/* registering the NAPI handler requires both the queues and
* netdev to be created, which are done in ice_pf_vsi_setup()
* and ice_cfg_netdev() respectively
*/
ice_napi_add(vsi);
/* To add a MAC filter, first add the MAC to a list and then
* pass the list to ice_add_mac.
*/
......@@ -3331,7 +1664,7 @@ static int ice_setup_pf_sw(struct ice_pf *pf)
status = ice_add_mac_to_list(vsi, &tmp_add_list,
vsi->port_info->mac.perm_addr);
if (status)
goto unroll_vsi_setup;
goto unroll_napi_add;
/* VSI needs to receive broadcast traffic, so add the broadcast
* MAC address to the list as well.
......@@ -3355,16 +1688,20 @@ static int ice_setup_pf_sw(struct ice_pf *pf)
free_mac_list:
ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
unroll_vsi_setup:
unroll_napi_add:
if (vsi) {
ice_vsi_free_q_vectors(vsi);
if (vsi->netdev && vsi->netdev->reg_state == NETREG_REGISTERED)
unregister_netdev(vsi->netdev);
ice_napi_del(vsi);
if (vsi->netdev) {
if (vsi->netdev->reg_state == NETREG_REGISTERED)
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
}
}
unroll_vsi_setup:
if (vsi) {
ice_vsi_free_q_vectors(vsi);
ice_vsi_delete(vsi);
ice_vsi_put_qs(vsi);
pf->q_left_tx += vsi->alloc_txq;
......@@ -3864,7 +2201,7 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
}
if (test_bit(__ICE_DOWN, pf->state) ||
ice_is_reset_recovery_pending(pf->state)) {
ice_is_reset_in_progress(pf->state)) {
netdev_err(netdev, "can't set mac %pM. device not ready\n",
mac);
return -EBUSY;
......@@ -3995,640 +2332,125 @@ static int ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[],
}
/**
* ice_fdb_del - delete an entry from the hardware database
* @ndm: the input from the stack
* @tb: pointer to array of nladdr (unused)
* @dev: the net device pointer
* @addr: the MAC address entry being added
* @vid: VLAN id
*/
static int ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
struct net_device *dev, const unsigned char *addr,
__always_unused u16 vid)
{
int err;
if (ndm->ndm_state & NUD_PERMANENT) {
netdev_err(dev, "FDB only supports static addresses\n");
return -EINVAL;
}
if (is_unicast_ether_addr(addr))
err = dev_uc_del(dev, addr);
else if (is_multicast_ether_addr(addr))
err = dev_mc_del(dev, addr);
else
err = -EINVAL;
return err;
}
/**
* ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx
* @vsi: the vsi being changed
*/
static int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
{
struct device *dev = &vsi->back->pdev->dev;
struct ice_hw *hw = &vsi->back->hw;
struct ice_vsi_ctx ctxt = { 0 };
enum ice_status status;
/* Here we are configuring the VSI to let the driver add VLAN tags by
* setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag
* insertion happens in the Tx hot path, in ice_tx_map.
*/
ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL;
ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
ctxt.vsi_num = vsi->vsi_num;
status = ice_aq_update_vsi(hw, &ctxt, NULL);
if (status) {
dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n",
status, hw->adminq.sq_last_status);
return -EIO;
}
vsi->info.vlan_flags = ctxt.info.vlan_flags;
return 0;
}
/**
* ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx
* @vsi: the vsi being changed
* @ena: boolean value indicating if this is a enable or disable request
*/
static int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
{
struct device *dev = &vsi->back->pdev->dev;
struct ice_hw *hw = &vsi->back->hw;
struct ice_vsi_ctx ctxt = { 0 };
enum ice_status status;
/* Here we are configuring what the VSI should do with the VLAN tag in
* the Rx packet. We can either leave the tag in the packet or put it in
* the Rx descriptor.
*/
if (ena) {
/* Strip VLAN tag from Rx packet and put it in the desc */
ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH;
} else {
/* Disable stripping. Leave tag in packet */
ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING;
}
/* Allow all packets untagged/tagged */
ctxt.info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL;
ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
ctxt.vsi_num = vsi->vsi_num;
status = ice_aq_update_vsi(hw, &ctxt, NULL);
if (status) {
dev_err(dev, "update VSI for VALN strip failed, ena = %d err %d aq_err %d\n",
ena, status, hw->adminq.sq_last_status);
return -EIO;
}
vsi->info.vlan_flags = ctxt.info.vlan_flags;
return 0;
}
/**
* ice_set_features - set the netdev feature flags
* @netdev: ptr to the netdev being adjusted
* @features: the feature set that the stack is suggesting
*/
static int ice_set_features(struct net_device *netdev,
netdev_features_t features)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
int ret = 0;
if ((features & NETIF_F_HW_VLAN_CTAG_RX) &&
!(netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
ret = ice_vsi_manage_vlan_stripping(vsi, true);
else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) &&
(netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
ret = ice_vsi_manage_vlan_stripping(vsi, false);
else if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
!(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
ret = ice_vsi_manage_vlan_insertion(vsi);
else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) &&
(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
ret = ice_vsi_manage_vlan_insertion(vsi);
return ret;
}
/**
* ice_vsi_vlan_setup - Setup vlan offload properties on a VSI
* @vsi: VSI to setup vlan properties for
*/
static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
{
int ret = 0;
if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
ret = ice_vsi_manage_vlan_stripping(vsi, true);
if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX)
ret = ice_vsi_manage_vlan_insertion(vsi);
return ret;
}
/**
* ice_restore_vlan - Reinstate VLANs when vsi/netdev comes back up
* @vsi: the VSI being brought back up
*/
static int ice_restore_vlan(struct ice_vsi *vsi)
{
int err;
u16 vid;
if (!vsi->netdev)
return -EINVAL;
err = ice_vsi_vlan_setup(vsi);
if (err)
return err;
for_each_set_bit(vid, vsi->active_vlans, VLAN_N_VID) {
err = ice_vlan_rx_add_vid(vsi->netdev, htons(ETH_P_8021Q), vid);
if (err)
break;
}
return err;
}
/**
* ice_setup_tx_ctx - setup a struct ice_tlan_ctx instance
* @ring: The Tx ring to configure
* @tlan_ctx: Pointer to the Tx LAN queue context structure to be initialized
* @pf_q: queue index in the PF space
*
* Configure the Tx descriptor ring in TLAN context.
*/
static void
ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
{
struct ice_vsi *vsi = ring->vsi;
struct ice_hw *hw = &vsi->back->hw;
tlan_ctx->base = ring->dma >> ICE_TLAN_CTX_BASE_S;
tlan_ctx->port_num = vsi->port_info->lport;
/* Transmit Queue Length */
tlan_ctx->qlen = ring->count;
/* PF number */
tlan_ctx->pf_num = hw->pf_id;
/* queue belongs to a specific VSI type
* VF / VM index should be programmed per vmvf_type setting:
* for vmvf_type = VF, it is VF number between 0-256
* for vmvf_type = VM, it is VM number between 0-767
* for PF or EMP this field should be set to zero
*/
switch (vsi->type) {
case ICE_VSI_PF:
tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF;
break;
default:
return;
}
/* make sure the context is associated with the right VSI */
tlan_ctx->src_vsi = vsi->vsi_num;
tlan_ctx->tso_ena = ICE_TX_LEGACY;
tlan_ctx->tso_qnum = pf_q;
/* Legacy or Advanced Host Interface:
* 0: Advanced Host Interface
* 1: Legacy Host Interface
*/
tlan_ctx->legacy_int = ICE_TX_LEGACY;
}
/**
* ice_vsi_cfg_txqs - Configure the VSI for Tx
* @vsi: the VSI being configured
*
* Return 0 on success and a negative value on error
* Configure the Tx VSI for operation.
*/
static int ice_vsi_cfg_txqs(struct ice_vsi *vsi)
{
struct ice_aqc_add_tx_qgrp *qg_buf;
struct ice_aqc_add_txqs_perq *txq;
struct ice_pf *pf = vsi->back;
enum ice_status status;
u16 buf_len, i, pf_q;
int err = 0, tc = 0;
u8 num_q_grps;
buf_len = sizeof(struct ice_aqc_add_tx_qgrp);
qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL);
if (!qg_buf)
return -ENOMEM;
if (vsi->num_txq > ICE_MAX_TXQ_PER_TXQG) {
err = -EINVAL;
goto err_cfg_txqs;
}
qg_buf->num_txqs = 1;
num_q_grps = 1;
/* set up and configure the tx queues */
ice_for_each_txq(vsi, i) {
struct ice_tlan_ctx tlan_ctx = { 0 };
pf_q = vsi->txq_map[i];
ice_setup_tx_ctx(vsi->tx_rings[i], &tlan_ctx, pf_q);
/* copy context contents into the qg_buf */
qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q);
ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx,
ice_tlan_ctx_info);
/* init queue specific tail reg. It is referred as transmit
* comm scheduler queue doorbell.
*/
vsi->tx_rings[i]->tail = pf->hw.hw_addr + QTX_COMM_DBELL(pf_q);
status = ice_ena_vsi_txq(vsi->port_info, vsi->vsi_num, tc,
num_q_grps, qg_buf, buf_len, NULL);
if (status) {
dev_err(&vsi->back->pdev->dev,
"Failed to set LAN Tx queue context, error: %d\n",
status);
err = -ENODEV;
goto err_cfg_txqs;
}
/* Add Tx Queue TEID into the VSI tx ring from the response
* This will complete configuring and enabling the queue.
*/
txq = &qg_buf->txqs[0];
if (pf_q == le16_to_cpu(txq->txq_id))
vsi->tx_rings[i]->txq_teid =
le32_to_cpu(txq->q_teid);
}
err_cfg_txqs:
devm_kfree(&pf->pdev->dev, qg_buf);
return err;
}
/**
* ice_setup_rx_ctx - Configure a receive ring context
* @ring: The Rx ring to configure
*
* Configure the Rx descriptor ring in RLAN context.
*/
static int ice_setup_rx_ctx(struct ice_ring *ring)
{
struct ice_vsi *vsi = ring->vsi;
struct ice_hw *hw = &vsi->back->hw;
u32 rxdid = ICE_RXDID_FLEX_NIC;
struct ice_rlan_ctx rlan_ctx;
u32 regval;
u16 pf_q;
int err;
/* what is RX queue number in global space of 2K rx queues */
pf_q = vsi->rxq_map[ring->q_index];
/* clear the context structure first */
memset(&rlan_ctx, 0, sizeof(rlan_ctx));
rlan_ctx.base = ring->dma >> ICE_RLAN_BASE_S;
rlan_ctx.qlen = ring->count;
/* Receive Packet Data Buffer Size.
* The Packet Data Buffer Size is defined in 128 byte units.
*/
rlan_ctx.dbuf = vsi->rx_buf_len >> ICE_RLAN_CTX_DBUF_S;
/* use 32 byte descriptors */
rlan_ctx.dsize = 1;
/* Strip the Ethernet CRC bytes before the packet is posted to host
* memory.
*/
rlan_ctx.crcstrip = 1;
/* L2TSEL flag defines the reported L2 Tags in the receive descriptor */
rlan_ctx.l2tsel = 1;
rlan_ctx.dtype = ICE_RX_DTYPE_NO_SPLIT;
rlan_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_NO_SPLIT;
rlan_ctx.hsplit_1 = ICE_RLAN_RX_HSPLIT_1_NO_SPLIT;
/* This controls whether VLAN is stripped from inner headers
* The VLAN in the inner L2 header is stripped to the receive
* descriptor if enabled by this flag.
*/
rlan_ctx.showiv = 0;
/* Max packet size for this queue - must not be set to a larger value
* than 5 x DBUF
*/
rlan_ctx.rxmax = min_t(u16, vsi->max_frame,
ICE_MAX_CHAINED_RX_BUFS * vsi->rx_buf_len);
/* Rx queue threshold in units of 64 */
rlan_ctx.lrxqthresh = 1;
/* Enable Flexible Descriptors in the queue context which
* allows this driver to select a specific receive descriptor format
*/
regval = rd32(hw, QRXFLXP_CNTXT(pf_q));
regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
QRXFLXP_CNTXT_RXDID_IDX_M;
/* increasing context priority to pick up profile id;
* default is 0x01; setting to 0x03 to ensure profile
* is programming if prev context is of same priority
*/
regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) &
QRXFLXP_CNTXT_RXDID_PRIO_M;
wr32(hw, QRXFLXP_CNTXT(pf_q), regval);
/* Absolute queue number out of 2K needs to be passed */
err = ice_write_rxq_ctx(hw, &rlan_ctx, pf_q);
if (err) {
dev_err(&vsi->back->pdev->dev,
"Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n",
pf_q, err);
return -EIO;
}
/* init queue specific tail register */
ring->tail = hw->hw_addr + QRX_TAIL(pf_q);
writel(0, ring->tail);
ice_alloc_rx_bufs(ring, ICE_DESC_UNUSED(ring));
return 0;
}
/**
* ice_vsi_cfg_rxqs - Configure the VSI for Rx
* @vsi: the VSI being configured
*
* Return 0 on success and a negative value on error
* Configure the Rx VSI for operation.
*/
static int ice_vsi_cfg_rxqs(struct ice_vsi *vsi)
{
int err = 0;
u16 i;
if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN)
vsi->max_frame = vsi->netdev->mtu +
ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
else
vsi->max_frame = ICE_RXBUF_2048;
vsi->rx_buf_len = ICE_RXBUF_2048;
/* set up individual rings */
for (i = 0; i < vsi->num_rxq && !err; i++)
err = ice_setup_rx_ctx(vsi->rx_rings[i]);
if (err) {
dev_err(&vsi->back->pdev->dev, "ice_setup_rx_ctx failed\n");
return -EIO;
}
return err;
}
/**
* ice_vsi_cfg - Setup the VSI
* @vsi: the VSI being configured
*
* Return 0 on success and negative value on error
* ice_fdb_del - delete an entry from the hardware database
* @ndm: the input from the stack
* @tb: pointer to array of nladdr (unused)
* @dev: the net device pointer
* @addr: the MAC address entry being added
* @vid: VLAN id
*/
static int ice_vsi_cfg(struct ice_vsi *vsi)
static int ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
struct net_device *dev, const unsigned char *addr,
__always_unused u16 vid)
{
int err;
if (vsi->netdev) {
ice_set_rx_mode(vsi->netdev);
err = ice_restore_vlan(vsi);
if (err)
return err;
if (ndm->ndm_state & NUD_PERMANENT) {
netdev_err(dev, "FDB only supports static addresses\n");
return -EINVAL;
}
err = ice_vsi_cfg_txqs(vsi);
if (!err)
err = ice_vsi_cfg_rxqs(vsi);
if (is_unicast_ether_addr(addr))
err = dev_uc_del(dev, addr);
else if (is_multicast_ether_addr(addr))
err = dev_mc_del(dev, addr);
else
err = -EINVAL;
return err;
}
/**
* ice_vsi_stop_tx_rings - Disable Tx rings
* @vsi: the VSI being configured
* ice_set_features - set the netdev feature flags
* @netdev: ptr to the netdev being adjusted
* @features: the feature set that the stack is suggesting
*/
static int ice_vsi_stop_tx_rings(struct ice_vsi *vsi)
static int ice_set_features(struct net_device *netdev,
netdev_features_t features)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
enum ice_status status;
u32 *q_teids, val;
u16 *q_ids, i;
int err = 0;
if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS)
return -EINVAL;
q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids),
GFP_KERNEL);
if (!q_teids)
return -ENOMEM;
q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids),
GFP_KERNEL);
if (!q_ids) {
err = -ENOMEM;
goto err_alloc_q_ids;
}
/* set up the tx queue list to be disabled */
ice_for_each_txq(vsi, i) {
u16 v_idx;
if (!vsi->tx_rings || !vsi->tx_rings[i]) {
err = -EINVAL;
goto err_out;
}
q_ids[i] = vsi->txq_map[i];
q_teids[i] = vsi->tx_rings[i]->txq_teid;
/* clear cause_ena bit for disabled queues */
val = rd32(hw, QINT_TQCTL(vsi->tx_rings[i]->reg_idx));
val &= ~QINT_TQCTL_CAUSE_ENA_M;
wr32(hw, QINT_TQCTL(vsi->tx_rings[i]->reg_idx), val);
/* software is expected to wait for 100 ns */
ndelay(100);
/* trigger a software interrupt for the vector associated to
* the queue to schedule napi handler
*/
v_idx = vsi->tx_rings[i]->q_vector->v_idx;
wr32(hw, GLINT_DYN_CTL(vsi->base_vector + v_idx),
GLINT_DYN_CTL_SWINT_TRIG_M | GLINT_DYN_CTL_INTENA_MSK_M);
}
status = ice_dis_vsi_txq(vsi->port_info, vsi->num_txq, q_ids, q_teids,
NULL);
/* if the disable queue command was exercised during an active reset
* flow, ICE_ERR_RESET_ONGOING is returned. This is not an error as
* the reset operation disables queues at the hardware level anyway.
*/
if (status == ICE_ERR_RESET_ONGOING) {
dev_dbg(&pf->pdev->dev,
"Reset in progress. LAN Tx queues already disabled\n");
} else if (status) {
dev_err(&pf->pdev->dev,
"Failed to disable LAN Tx queues, error: %d\n",
status);
err = -ENODEV;
}
err_out:
devm_kfree(&pf->pdev->dev, q_ids);
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
int ret = 0;
err_alloc_q_ids:
devm_kfree(&pf->pdev->dev, q_teids);
if ((features & NETIF_F_HW_VLAN_CTAG_RX) &&
!(netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
ret = ice_vsi_manage_vlan_stripping(vsi, true);
else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) &&
(netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
ret = ice_vsi_manage_vlan_stripping(vsi, false);
else if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
!(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
ret = ice_vsi_manage_vlan_insertion(vsi);
else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) &&
(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
ret = ice_vsi_manage_vlan_insertion(vsi);
return err;
return ret;
}
/**
* ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled
* @pf: the PF being configured
* @pf_q: the PF queue
* @ena: enable or disable state of the queue
*
* This routine will wait for the given Rx queue of the PF to reach the
* enabled or disabled state.
* Returns -ETIMEDOUT in case of failing to reach the requested state after
* multiple retries; else will return 0 in case of success.
* ice_vsi_vlan_setup - Setup vlan offload properties on a VSI
* @vsi: VSI to setup vlan properties for
*/
static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena)
static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
{
int i;
for (i = 0; i < ICE_Q_WAIT_RETRY_LIMIT; i++) {
u32 rx_reg = rd32(&pf->hw, QRX_CTRL(pf_q));
if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M))
break;
int ret = 0;
usleep_range(10, 20);
}
if (i >= ICE_Q_WAIT_RETRY_LIMIT)
return -ETIMEDOUT;
if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
ret = ice_vsi_manage_vlan_stripping(vsi, true);
if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX)
ret = ice_vsi_manage_vlan_insertion(vsi);
return 0;
return ret;
}
/**
* ice_vsi_ctrl_rx_rings - Start or stop a VSI's rx rings
* @vsi: the VSI being configured
* @ena: start or stop the rx rings
* ice_restore_vlan - Reinstate VLANs when vsi/netdev comes back up
* @vsi: the VSI being brought back up
*/
static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena)
static int ice_restore_vlan(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
int i, j, ret = 0;
for (i = 0; i < vsi->num_rxq; i++) {
int pf_q = vsi->rxq_map[i];
u32 rx_reg;
for (j = 0; j < ICE_Q_WAIT_MAX_RETRY; j++) {
rx_reg = rd32(hw, QRX_CTRL(pf_q));
if (((rx_reg >> QRX_CTRL_QENA_REQ_S) & 1) ==
((rx_reg >> QRX_CTRL_QENA_STAT_S) & 1))
break;
usleep_range(1000, 2000);
}
int err;
u16 vid;
/* Skip if the queue is already in the requested state */
if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M))
continue;
if (!vsi->netdev)
return -EINVAL;
/* turn on/off the queue */
if (ena)
rx_reg |= QRX_CTRL_QENA_REQ_M;
else
rx_reg &= ~QRX_CTRL_QENA_REQ_M;
wr32(hw, QRX_CTRL(pf_q), rx_reg);
err = ice_vsi_vlan_setup(vsi);
if (err)
return err;
/* wait for the change to finish */
ret = ice_pf_rxq_wait(pf, pf_q, ena);
if (ret) {
dev_err(&pf->pdev->dev,
"VSI idx %d Rx ring %d %sable timeout\n",
vsi->idx, pf_q, (ena ? "en" : "dis"));
for_each_set_bit(vid, vsi->active_vlans, VLAN_N_VID) {
err = ice_vlan_rx_add_vid(vsi->netdev, htons(ETH_P_8021Q), vid);
if (err)
break;
}
}
return ret;
}
/**
* ice_vsi_start_rx_rings - start VSI's rx rings
* @vsi: the VSI whose rings are to be started
*
* Returns 0 on success and a negative value on error
*/
static int ice_vsi_start_rx_rings(struct ice_vsi *vsi)
{
return ice_vsi_ctrl_rx_rings(vsi, true);
return err;
}
/**
* ice_vsi_stop_rx_rings - stop VSI's rx rings
* @vsi: the VSI
* ice_vsi_cfg - Setup the VSI
* @vsi: the VSI being configured
*
* Returns 0 on success and a negative value on error
*/
static int ice_vsi_stop_rx_rings(struct ice_vsi *vsi)
{
return ice_vsi_ctrl_rx_rings(vsi, false);
}
/**
* ice_vsi_stop_tx_rx_rings - stop VSI's tx and rx rings
* @vsi: the VSI
* Returns 0 on success and a negative value on error
* Return 0 on success and negative value on error
*/
static int ice_vsi_stop_tx_rx_rings(struct ice_vsi *vsi)
static int ice_vsi_cfg(struct ice_vsi *vsi)
{
int err_tx, err_rx;
err_tx = ice_vsi_stop_tx_rings(vsi);
if (err_tx)
dev_dbg(&vsi->back->pdev->dev, "Failed to disable Tx rings\n");
int err;
err_rx = ice_vsi_stop_rx_rings(vsi);
if (err_rx)
dev_dbg(&vsi->back->pdev->dev, "Failed to disable Rx rings\n");
if (vsi->netdev) {
ice_set_rx_mode(vsi->netdev);
err = ice_restore_vlan(vsi);
if (err)
return err;
}
if (err_tx || err_rx)
return -EIO;
err = ice_vsi_cfg_txqs(vsi);
if (!err)
err = ice_vsi_cfg_rxqs(vsi);
return 0;
return err;
}
/**
......@@ -4727,122 +2549,6 @@ static void ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts,
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
}
/**
* ice_stat_update40 - read 40 bit stat from the chip and update stat values
* @hw: ptr to the hardware info
* @hireg: high 32 bit HW register to read from
* @loreg: low 32 bit HW register to read from
* @prev_stat_loaded: bool to specify if previous stats are loaded
* @prev_stat: ptr to previous loaded stat value
* @cur_stat: ptr to current stat value
*/
static void ice_stat_update40(struct ice_hw *hw, u32 hireg, u32 loreg,
bool prev_stat_loaded, u64 *prev_stat,
u64 *cur_stat)
{
u64 new_data;
new_data = rd32(hw, loreg);
new_data |= ((u64)(rd32(hw, hireg) & 0xFFFF)) << 32;
/* device stats are not reset at PFR, they likely will not be zeroed
* when the driver starts. So save the first values read and use them as
* offsets to be subtracted from the raw values in order to report stats
* that count from zero.
*/
if (!prev_stat_loaded)
*prev_stat = new_data;
if (likely(new_data >= *prev_stat))
*cur_stat = new_data - *prev_stat;
else
/* to manage the potential roll-over */
*cur_stat = (new_data + BIT_ULL(40)) - *prev_stat;
*cur_stat &= 0xFFFFFFFFFFULL;
}
/**
* ice_stat_update32 - read 32 bit stat from the chip and update stat values
* @hw: ptr to the hardware info
* @reg: HW register to read from
* @prev_stat_loaded: bool to specify if previous stats are loaded
* @prev_stat: ptr to previous loaded stat value
* @cur_stat: ptr to current stat value
*/
static void ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat)
{
u32 new_data;
new_data = rd32(hw, reg);
/* device stats are not reset at PFR, they likely will not be zeroed
* when the driver starts. So save the first values read and use them as
* offsets to be subtracted from the raw values in order to report stats
* that count from zero.
*/
if (!prev_stat_loaded)
*prev_stat = new_data;
if (likely(new_data >= *prev_stat))
*cur_stat = new_data - *prev_stat;
else
/* to manage the potential roll-over */
*cur_stat = (new_data + BIT_ULL(32)) - *prev_stat;
}
/**
* ice_update_eth_stats - Update VSI-specific ethernet statistics counters
* @vsi: the VSI to be updated
*/
static void ice_update_eth_stats(struct ice_vsi *vsi)
{
struct ice_eth_stats *prev_es, *cur_es;
struct ice_hw *hw = &vsi->back->hw;
u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */
prev_es = &vsi->eth_stats_prev;
cur_es = &vsi->eth_stats;
ice_stat_update40(hw, GLV_GORCH(vsi_num), GLV_GORCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_bytes,
&cur_es->rx_bytes);
ice_stat_update40(hw, GLV_UPRCH(vsi_num), GLV_UPRCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_unicast,
&cur_es->rx_unicast);
ice_stat_update40(hw, GLV_MPRCH(vsi_num), GLV_MPRCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_multicast,
&cur_es->rx_multicast);
ice_stat_update40(hw, GLV_BPRCH(vsi_num), GLV_BPRCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->rx_broadcast,
&cur_es->rx_broadcast);
ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded,
&prev_es->rx_discards, &cur_es->rx_discards);
ice_stat_update40(hw, GLV_GOTCH(vsi_num), GLV_GOTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_bytes,
&cur_es->tx_bytes);
ice_stat_update40(hw, GLV_UPTCH(vsi_num), GLV_UPTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_unicast,
&cur_es->tx_unicast);
ice_stat_update40(hw, GLV_MPTCH(vsi_num), GLV_MPTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_multicast,
&cur_es->tx_multicast);
ice_stat_update40(hw, GLV_BPTCH(vsi_num), GLV_BPTCL(vsi_num),
vsi->stat_offsets_loaded, &prev_es->tx_broadcast,
&cur_es->tx_broadcast);
ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded,
&prev_es->tx_errors, &cur_es->tx_errors);
vsi->stat_offsets_loaded = true;
}
/**
* ice_update_vsi_ring_stats - Update VSI stats counters
* @vsi: the VSI to be updated
......@@ -5136,7 +2842,7 @@ static void ice_napi_disable_all(struct ice_vsi *vsi)
*/
int ice_down(struct ice_vsi *vsi)
{
int i, err;
int i, tx_err, rx_err;
/* Caller of this function is expected to set the
* vsi->state __ICE_DOWN bit
......@@ -5147,7 +2853,18 @@ int ice_down(struct ice_vsi *vsi)
}
ice_vsi_dis_irq(vsi);
err = ice_vsi_stop_tx_rx_rings(vsi);
tx_err = ice_vsi_stop_tx_rings(vsi);
if (tx_err)
netdev_err(vsi->netdev,
"Failed stop Tx rings, VSI %d error %d\n",
vsi->vsi_num, tx_err);
rx_err = ice_vsi_stop_rx_rings(vsi);
if (rx_err)
netdev_err(vsi->netdev,
"Failed stop Rx rings, VSI %d error %d\n",
vsi->vsi_num, rx_err);
ice_napi_disable_all(vsi);
ice_for_each_txq(vsi, i)
......@@ -5156,10 +2873,14 @@ int ice_down(struct ice_vsi *vsi)
ice_for_each_rxq(vsi, i)
ice_clean_rx_ring(vsi->rx_rings[i]);
if (err)
netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n",
if (tx_err || rx_err) {
netdev_err(vsi->netdev,
"Failed to close VSI 0x%04X on switch 0x%04X\n",
vsi->vsi_num, vsi->vsw->sw_id);
return err;
return -EIO;
}
return 0;
}
/**
......@@ -5179,6 +2900,7 @@ static int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
}
ice_for_each_txq(vsi, i) {
vsi->tx_rings[i]->netdev = vsi->netdev;
err = ice_setup_tx_ring(vsi->tx_rings[i]);
if (err)
break;
......@@ -5204,6 +2926,7 @@ static int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
}
ice_for_each_rxq(vsi, i) {
vsi->rx_rings[i]->netdev = vsi->netdev;
err = ice_setup_rx_ring(vsi->rx_rings[i]);
if (err)
break;
......@@ -5230,38 +2953,6 @@ static int ice_vsi_req_irq(struct ice_vsi *vsi, char *basename)
return err;
}
/**
* ice_vsi_free_tx_rings - Free Tx resources for VSI queues
* @vsi: the VSI having resources freed
*/
static void ice_vsi_free_tx_rings(struct ice_vsi *vsi)
{
int i;
if (!vsi->tx_rings)
return;
ice_for_each_txq(vsi, i)
if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
ice_free_tx_ring(vsi->tx_rings[i]);
}
/**
* ice_vsi_free_rx_rings - Free Rx resources for VSI queues
* @vsi: the VSI having resources freed
*/
static void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
{
int i;
if (!vsi->rx_rings)
return;
ice_for_each_rxq(vsi, i)
if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc)
ice_free_rx_ring(vsi->rx_rings[i]);
}
/**
* ice_vsi_open - Called when a network interface is made active
* @vsi: the VSI to open
......@@ -5322,92 +3013,6 @@ static int ice_vsi_open(struct ice_vsi *vsi)
return err;
}
/**
* ice_vsi_close - Shut down a VSI
* @vsi: the VSI being shut down
*/
static void ice_vsi_close(struct ice_vsi *vsi)
{
if (!test_and_set_bit(__ICE_DOWN, vsi->state))
ice_down(vsi);
ice_vsi_free_irq(vsi);
ice_vsi_free_tx_rings(vsi);
ice_vsi_free_rx_rings(vsi);
}
/**
* ice_rss_clean - Delete RSS related VSI structures that hold user inputs
* @vsi: the VSI being removed
*/
static void ice_rss_clean(struct ice_vsi *vsi)
{
struct ice_pf *pf;
pf = vsi->back;
if (vsi->rss_hkey_user)
devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user);
if (vsi->rss_lut_user)
devm_kfree(&pf->pdev->dev, vsi->rss_lut_user);
}
/**
* ice_vsi_release - Delete a VSI and free its resources
* @vsi: the VSI being removed
*
* Returns 0 on success or < 0 on error
*/
static int ice_vsi_release(struct ice_vsi *vsi)
{
struct ice_pf *pf;
if (!vsi->back)
return -ENODEV;
pf = vsi->back;
/* do not unregister and free netdevs while driver is in the reset
* recovery pending state. Since reset/rebuild happens through PF
* service task workqueue, its not a good idea to unregister netdev
* that is associated to the PF that is running the work queue items
* currently. This is done to avoid check_flush_dependency() warning
* on this wq
*/
if (vsi->netdev && !ice_is_reset_recovery_pending(pf->state)) {
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
}
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_rss_clean(vsi);
/* Disable VSI and free resources */
ice_vsi_dis_irq(vsi);
ice_vsi_close(vsi);
/* reclaim interrupt vectors back to PF */
ice_free_res(vsi->back->irq_tracker, vsi->base_vector, vsi->idx);
pf->num_avail_msix += vsi->num_q_vectors;
ice_remove_vsi_fltr(&pf->hw, vsi->vsi_num);
ice_vsi_delete(vsi);
ice_vsi_free_q_vectors(vsi);
ice_vsi_clear_rings(vsi);
ice_vsi_put_qs(vsi);
pf->q_left_tx += vsi->alloc_txq;
pf->q_left_rx += vsi->alloc_rxq;
/* retain SW VSI data structure since it is needed to unregister and
* free VSI netdev when PF is not in reset recovery pending state,\
* for ex: during rmmod.
*/
if (!ice_is_reset_recovery_pending(pf->state))
ice_vsi_clear(vsi);
return 0;
}
/**
* ice_vsi_release_all - Delete all VSIs
* @pf: PF from which all VSIs are being removed
......@@ -5649,7 +3254,7 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
}
/* if a reset is in progress, wait for some time for it to complete */
do {
if (ice_is_reset_recovery_pending(pf->state)) {
if (ice_is_reset_in_progress(pf->state)) {
count++;
usleep_range(1000, 2000);
} else {
......
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