}
}
+/**
+ * ice_vsi_free_stats - Free the ring statistics structures
+ * @vsi: VSI pointer
+ */
+static void ice_vsi_free_stats(struct ice_vsi *vsi)
+{
+ struct ice_vsi_stats *vsi_stat;
+ struct ice_pf *pf = vsi->back;
+ int i;
+
+ if (vsi->type == ICE_VSI_CHNL)
+ return;
+ if (!pf->vsi_stats)
+ return;
+
+ vsi_stat = pf->vsi_stats[vsi->idx];
+ if (!vsi_stat)
+ return;
+
+ ice_for_each_alloc_txq(vsi, i) {
+ if (vsi_stat->tx_ring_stats[i]) {
+ kfree_rcu(vsi_stat->tx_ring_stats[i], rcu);
+ WRITE_ONCE(vsi_stat->tx_ring_stats[i], NULL);
+ }
+ }
+
+ ice_for_each_alloc_rxq(vsi, i) {
+ if (vsi_stat->rx_ring_stats[i]) {
+ kfree_rcu(vsi_stat->rx_ring_stats[i], rcu);
+ WRITE_ONCE(vsi_stat->rx_ring_stats[i], NULL);
+ }
+ }
+
+ kfree(vsi_stat->tx_ring_stats);
+ kfree(vsi_stat->rx_ring_stats);
+ kfree(vsi_stat);
+ pf->vsi_stats[vsi->idx] = NULL;
+}
+
+/**
+ * ice_vsi_alloc_ring_stats - Allocates Tx and Rx ring stats for the VSI
+ * @vsi: VSI which is having stats allocated
+ */
+static int ice_vsi_alloc_ring_stats(struct ice_vsi *vsi)
+{
+ struct ice_ring_stats **tx_ring_stats;
+ struct ice_ring_stats **rx_ring_stats;
+ struct ice_vsi_stats *vsi_stats;
+ struct ice_pf *pf = vsi->back;
+ u16 i;
+
+ vsi_stats = pf->vsi_stats[vsi->idx];
+ tx_ring_stats = vsi_stats->tx_ring_stats;
+ rx_ring_stats = vsi_stats->rx_ring_stats;
+
+ /* Allocate Tx ring stats */
+ ice_for_each_alloc_txq(vsi, i) {
+ struct ice_ring_stats *ring_stats;
+ struct ice_tx_ring *ring;
+
+ ring = vsi->tx_rings[i];
+ ring_stats = tx_ring_stats[i];
+
+ if (!ring_stats) {
+ ring_stats = kzalloc(sizeof(*ring_stats), GFP_KERNEL);
+ if (!ring_stats)
+ goto err_out;
+
+ WRITE_ONCE(tx_ring_stats[i], ring_stats);
+ }
+
+ ring->ring_stats = ring_stats;
+ }
+
+ /* Allocate Rx ring stats */
+ ice_for_each_alloc_rxq(vsi, i) {
+ struct ice_ring_stats *ring_stats;
+ struct ice_rx_ring *ring;
+
+ ring = vsi->rx_rings[i];
+ ring_stats = rx_ring_stats[i];
+
+ if (!ring_stats) {
+ ring_stats = kzalloc(sizeof(*ring_stats), GFP_KERNEL);
+ if (!ring_stats)
+ goto err_out;
+
+ WRITE_ONCE(rx_ring_stats[i], ring_stats);
+ }
+
+ ring->ring_stats = ring_stats;
+ }
+
+ return 0;
+
+err_out:
+ ice_vsi_free_stats(vsi);
+ return -ENOMEM;
+}
+
/**
* ice_vsi_free - clean up and deallocate the provided VSI
* @vsi: pointer to VSI being cleared
if (vsi->idx < pf->next_vsi && vsi->type == ICE_VSI_CTRL && vsi->vf)
pf->next_vsi = vsi->idx;
+ ice_vsi_free_stats(vsi);
ice_vsi_free_arrays(vsi);
mutex_unlock(&pf->sw_mutex);
devm_kfree(dev, vsi);
if (!pf->vsi_stats)
return -ENOENT;
+ if (pf->vsi_stats[vsi->idx])
+ /* realloc will happen in rebuild path */
+ return 0;
+
vsi_stat = kzalloc(sizeof(*vsi_stat), GFP_KERNEL);
if (!vsi_stat)
return -ENOMEM;
return -ENOMEM;
}
+/**
+ * ice_vsi_alloc_def - set default values for already allocated VSI
+ * @vsi: ptr to VSI
+ * @vf: VF for ICE_VSI_VF and ICE_VSI_CTRL
+ * @ch: ptr to channel
+ */
+static int
+ice_vsi_alloc_def(struct ice_vsi *vsi, struct ice_vf *vf,
+ struct ice_channel *ch)
+{
+ if (vsi->type != ICE_VSI_CHNL) {
+ ice_vsi_set_num_qs(vsi, vf);
+ if (ice_vsi_alloc_arrays(vsi))
+ return -ENOMEM;
+ }
+
+ switch (vsi->type) {
+ case ICE_VSI_SWITCHDEV_CTRL:
+ /* Setup eswitch MSIX irq handler for VSI */
+ vsi->irq_handler = ice_eswitch_msix_clean_rings;
+ break;
+ case ICE_VSI_PF:
+ /* Setup default MSIX irq handler for VSI */
+ vsi->irq_handler = ice_msix_clean_rings;
+ break;
+ case ICE_VSI_CTRL:
+ /* Setup ctrl VSI MSIX irq handler */
+ vsi->irq_handler = ice_msix_clean_ctrl_vsi;
+ break;
+ case ICE_VSI_CHNL:
+ if (!ch)
+ return -EINVAL;
+
+ vsi->num_rxq = ch->num_rxq;
+ vsi->num_txq = ch->num_txq;
+ vsi->next_base_q = ch->base_q;
+ break;
+ case ICE_VSI_VF:
+ break;
+ default:
+ ice_vsi_free_arrays(vsi);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/**
* ice_vsi_alloc - Allocates the next available struct VSI in the PF
* @pf: board private structure
+ * @pi: pointer to the port_info instance
* @vsi_type: type of VSI
* @ch: ptr to channel
* @vf: VF for ICE_VSI_VF and ICE_VSI_CTRL
* 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 vsi_type,
- struct ice_channel *ch, struct ice_vf *vf)
+ice_vsi_alloc(struct ice_pf *pf, struct ice_port_info *pi,
+ enum ice_vsi_type vsi_type, struct ice_channel *ch,
+ struct ice_vf *vf)
{
struct device *dev = ice_pf_to_dev(pf);
struct ice_vsi *vsi = NULL;
vsi->type = vsi_type;
vsi->back = pf;
+ vsi->port_info = pi;
+ /* For VSIs which don't have a connected VF, this will be NULL */
+ vsi->vf = vf;
set_bit(ICE_VSI_DOWN, vsi->state);
- if (vsi_type == ICE_VSI_VF)
- ice_vsi_set_num_qs(vsi, vf);
- else if (vsi_type != ICE_VSI_CHNL)
- ice_vsi_set_num_qs(vsi, NULL);
-
- switch (vsi->type) {
- case ICE_VSI_SWITCHDEV_CTRL:
- if (ice_vsi_alloc_arrays(vsi))
- goto err_rings;
-
- /* Setup eswitch MSIX irq handler for VSI */
- vsi->irq_handler = ice_eswitch_msix_clean_rings;
- break;
- case ICE_VSI_PF:
- if (ice_vsi_alloc_arrays(vsi))
- goto err_rings;
-
- /* Setup default MSIX irq handler for VSI */
- vsi->irq_handler = ice_msix_clean_rings;
- break;
- case ICE_VSI_CTRL:
- if (ice_vsi_alloc_arrays(vsi))
- goto err_rings;
-
- /* Setup ctrl VSI MSIX irq handler */
- vsi->irq_handler = ice_msix_clean_ctrl_vsi;
-
- /* For the PF control VSI this is NULL, for the VF control VSI
- * this will be the first VF to allocate it.
- */
- vsi->vf = vf;
- break;
- case ICE_VSI_VF:
- if (ice_vsi_alloc_arrays(vsi))
- goto err_rings;
- vsi->vf = vf;
- break;
- case ICE_VSI_CHNL:
- if (!ch)
- goto err_rings;
- vsi->num_rxq = ch->num_rxq;
- vsi->num_txq = ch->num_txq;
- vsi->next_base_q = ch->base_q;
- break;
- case ICE_VSI_LB:
- if (ice_vsi_alloc_arrays(vsi))
- goto err_rings;
- break;
- default:
- dev_warn(dev, "Unknown VSI type %d\n", vsi->type);
- goto unlock_pf;
- }
-
if (vsi->type == ICE_VSI_CTRL && !vf) {
/* Use the last VSI slot as the index for PF control VSI */
vsi->idx = pf->num_alloc_vsi - 1;
if (vsi->type == ICE_VSI_CTRL && vf)
vf->ctrl_vsi_idx = vsi->idx;
- /* allocate memory for Tx/Rx ring stat pointers */
- if (ice_vsi_alloc_stat_arrays(vsi))
- goto err_rings;
-
- goto unlock_pf;
-
-err_rings:
- devm_kfree(dev, vsi);
- vsi = NULL;
unlock_pf:
mutex_unlock(&pf->sw_mutex);
return vsi;
/**
* ice_vsi_init - Create and initialize a VSI
* @vsi: the VSI being configured
- * @init_vsi: is this call creating a VSI
+ * @init_vsi: flag, tell if VSI need to be initialized
*
* 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, bool init_vsi)
+static int ice_vsi_init(struct ice_vsi *vsi, int init_vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
/* if updating VSI context, make sure to set valid_section:
* to indicate which section of VSI context being updated
*/
- if (!init_vsi)
+ if (!(init_vsi & ICE_VSI_FLAG_INIT))
ctxt->info.valid_sections |=
cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
}
if (ret)
goto out;
- if (!init_vsi) /* means VSI being updated */
+ if (!(init_vsi & ICE_VSI_FLAG_INIT))
+ /* means VSI being updated */
/* must to indicate which section of VSI context are
* being modified
*/
cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
}
- if (init_vsi) {
+ if (init_vsi & ICE_VSI_FLAG_INIT) {
ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL);
if (ret) {
dev_err(dev, "Add VSI failed, err %d\n", ret);
}
/**
- * ice_vsi_free_stats - Free the ring statistics structures
- * @vsi: VSI pointer
+ * ice_vsi_manage_rss_lut - disable/enable RSS
+ * @vsi: the VSI being changed
+ * @ena: boolean value indicating if this is an enable or disable request
+ *
+ * In the event of disable request for RSS, this function will zero out RSS
+ * LUT, while in the event of enable request for RSS, it will reconfigure RSS
+ * LUT.
*/
-static void ice_vsi_free_stats(struct ice_vsi *vsi)
+void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena)
{
- struct ice_vsi_stats *vsi_stat;
- struct ice_pf *pf = vsi->back;
- int i;
-
- if (vsi->type == ICE_VSI_CHNL)
- return;
- if (!pf->vsi_stats)
- return;
+ u8 *lut;
- vsi_stat = pf->vsi_stats[vsi->idx];
- if (!vsi_stat)
+ lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
+ if (!lut)
return;
- ice_for_each_alloc_txq(vsi, i) {
- if (vsi_stat->tx_ring_stats[i]) {
- kfree_rcu(vsi_stat->tx_ring_stats[i], rcu);
- WRITE_ONCE(vsi_stat->tx_ring_stats[i], NULL);
- }
- }
-
- ice_for_each_alloc_rxq(vsi, i) {
- if (vsi_stat->rx_ring_stats[i]) {
- kfree_rcu(vsi_stat->rx_ring_stats[i], rcu);
- WRITE_ONCE(vsi_stat->rx_ring_stats[i], NULL);
- }
+ if (ena) {
+ 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);
}
- kfree(vsi_stat->tx_ring_stats);
- kfree(vsi_stat->rx_ring_stats);
- kfree(vsi_stat);
- pf->vsi_stats[vsi->idx] = NULL;
+ ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
+ kfree(lut);
}
/**
- * ice_vsi_alloc_ring_stats - Allocates Tx and Rx ring stats for the VSI
- * @vsi: VSI which is having stats allocated
+ * ice_vsi_cfg_crc_strip - Configure CRC stripping for a VSI
+ * @vsi: VSI to be configured
+ * @disable: set to true to have FCS / CRC in the frame data
*/
-static int ice_vsi_alloc_ring_stats(struct ice_vsi *vsi)
+void ice_vsi_cfg_crc_strip(struct ice_vsi *vsi, bool disable)
{
- struct ice_ring_stats **tx_ring_stats;
- struct ice_ring_stats **rx_ring_stats;
- struct ice_vsi_stats *vsi_stats;
- struct ice_pf *pf = vsi->back;
- u16 i;
-
- vsi_stats = pf->vsi_stats[vsi->idx];
- tx_ring_stats = vsi_stats->tx_ring_stats;
- rx_ring_stats = vsi_stats->rx_ring_stats;
-
- /* Allocate Tx ring stats */
- ice_for_each_alloc_txq(vsi, i) {
- struct ice_ring_stats *ring_stats;
- struct ice_tx_ring *ring;
-
- ring = vsi->tx_rings[i];
- ring_stats = tx_ring_stats[i];
-
- if (!ring_stats) {
- ring_stats = kzalloc(sizeof(*ring_stats), GFP_KERNEL);
- if (!ring_stats)
- goto err_out;
-
- WRITE_ONCE(tx_ring_stats[i], ring_stats);
- }
-
- ring->ring_stats = ring_stats;
- }
-
- /* Allocate Rx ring stats */
- ice_for_each_alloc_rxq(vsi, i) {
- struct ice_ring_stats *ring_stats;
- struct ice_rx_ring *ring;
-
- ring = vsi->rx_rings[i];
- ring_stats = rx_ring_stats[i];
-
- if (!ring_stats) {
- ring_stats = kzalloc(sizeof(*ring_stats), GFP_KERNEL);
- if (!ring_stats)
- goto err_out;
-
- WRITE_ONCE(rx_ring_stats[i], ring_stats);
- }
-
- ring->ring_stats = ring_stats;
- }
-
- return 0;
-
-err_out:
- ice_vsi_free_stats(vsi);
- return -ENOMEM;
-}
-
-/**
- * ice_vsi_manage_rss_lut - disable/enable RSS
- * @vsi: the VSI being changed
- * @ena: boolean value indicating if this is an enable or disable request
- *
- * In the event of disable request for RSS, this function will zero out RSS
- * LUT, while in the event of enable request for RSS, it will reconfigure RSS
- * LUT.
- */
-void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena)
-{
- u8 *lut;
-
- lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
- if (!lut)
- return;
-
- if (ena) {
- 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);
- }
-
- ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
- kfree(lut);
-}
-
-/**
- * ice_vsi_cfg_crc_strip - Configure CRC stripping for a VSI
- * @vsi: VSI to be configured
- * @disable: set to true to have FCS / CRC in the frame data
- */
-void ice_vsi_cfg_crc_strip(struct ice_vsi *vsi, bool disable)
-{
- int i;
+ int i;
ice_for_each_rxq(vsi, i)
if (disable)
}
/**
- * ice_vsi_setup - Set up a VSI by a given type
- * @pf: board private structure
- * @pi: pointer to the port_info instance
- * @vsi_type: VSI type
- * @vf: pointer to VF to which this VSI connects. This field is used primarily
- * for the ICE_VSI_VF type. Other VSI types should pass NULL.
- * @ch: ptr to channel
- *
- * This allocates the sw VSI structure and its queue resources.
+ * ice_free_vf_ctrl_res - Free the VF control VSI resource
+ * @pf: pointer to PF structure
+ * @vsi: the VSI to free resources for
*
- * Returns pointer to the successfully allocated and configured VSI sw struct on
- * success, NULL on failure.
+ * Check if the VF control VSI resource is still in use. If no VF is using it
+ * any more, release the VSI resource. Otherwise, leave it to be cleaned up
+ * once no other VF uses it.
*/
-struct ice_vsi *
-ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
- enum ice_vsi_type vsi_type, struct ice_vf *vf,
- struct ice_channel *ch)
+static void ice_free_vf_ctrl_res(struct ice_pf *pf, struct ice_vsi *vsi)
+{
+ struct ice_vf *vf;
+ unsigned int bkt;
+
+ rcu_read_lock();
+ ice_for_each_vf_rcu(pf, bkt, vf) {
+ if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) {
+ rcu_read_unlock();
+ return;
+ }
+ }
+ rcu_read_unlock();
+
+ /* No other VFs left that have control VSI. It is now safe to reclaim
+ * SW interrupts back to the common pool.
+ */
+ ice_free_res(pf->irq_tracker, vsi->base_vector,
+ ICE_RES_VF_CTRL_VEC_ID);
+ pf->num_avail_sw_msix += vsi->num_q_vectors;
+}
+
+static int ice_vsi_cfg_tc_lan(struct ice_pf *pf, struct ice_vsi *vsi)
{
u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
struct device *dev = ice_pf_to_dev(pf);
- struct ice_vsi *vsi;
int ret, i;
- vsi = ice_vsi_alloc(pf, vsi_type, ch, vf);
+ /* configure VSI nodes based on number of queues and TC's */
+ ice_for_each_traffic_class(i) {
+ if (!(vsi->tc_cfg.ena_tc & BIT(i)))
+ continue;
- if (!vsi) {
- dev_err(dev, "could not allocate VSI\n");
- return NULL;
+ if (vsi->type == ICE_VSI_CHNL) {
+ if (!vsi->alloc_txq && vsi->num_txq)
+ max_txqs[i] = vsi->num_txq;
+ else
+ max_txqs[i] = pf->num_lan_tx;
+ } else {
+ max_txqs[i] = vsi->alloc_txq;
+ }
}
- vsi->port_info = pi;
+ dev_dbg(dev, "vsi->tc_cfg.ena_tc = %d\n", vsi->tc_cfg.ena_tc);
+ ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
+ max_txqs);
+ if (ret) {
+ dev_err(dev, "VSI %d failed lan queue config, error %d\n",
+ vsi->vsi_num, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_vsi_cfg_def - configure default VSI based on the type
+ * @vsi: pointer to VSI
+ * @vf: pointer to VF to which this VSI connects. This field is used primarily
+ * for the ICE_VSI_VF type. Other VSI types should pass NULL.
+ * @ch: ptr to channel
+ */
+static int
+ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vf *vf, struct ice_channel *ch)
+{
+ struct device *dev = ice_pf_to_dev(vsi->back);
+ struct ice_pf *pf = vsi->back;
+ int ret;
+
vsi->vsw = pf->first_sw;
+ ret = ice_vsi_alloc_def(vsi, vf, ch);
+ if (ret)
+ return ret;
+
+ /* allocate memory for Tx/Rx ring stat pointers */
+ if (ice_vsi_alloc_stat_arrays(vsi))
+ goto unroll_vsi_alloc;
+
ice_alloc_fd_res(vsi);
if (ice_vsi_get_qs(vsi)) {
dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
vsi->idx);
- goto unroll_vsi_alloc;
+ goto unroll_vsi_alloc_stat;
}
/* set RSS capabilities */
goto unroll_vector_base;
ice_vsi_map_rings_to_vectors(vsi);
+ if (ice_is_xdp_ena_vsi(vsi)) {
+ ret = ice_vsi_determine_xdp_res(vsi);
+ if (ret)
+ goto unroll_vector_base;
+ ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog);
+ if (ret)
+ goto unroll_vector_base;
+ }
/* ICE_VSI_CTRL does not need RSS so skip RSS processing */
if (vsi->type != ICE_VSI_CTRL)
goto unroll_vsi_init;
}
- /* configure VSI nodes based on number of queues and TC's */
- ice_for_each_traffic_class(i) {
- if (!(vsi->tc_cfg.ena_tc & BIT(i)))
- continue;
-
- if (vsi->type == ICE_VSI_CHNL) {
- if (!vsi->alloc_txq && vsi->num_txq)
- max_txqs[i] = vsi->num_txq;
- else
- max_txqs[i] = pf->num_lan_tx;
- } else {
- max_txqs[i] = vsi->alloc_txq;
- }
- }
-
- dev_dbg(dev, "vsi->tc_cfg.ena_tc = %d\n", vsi->tc_cfg.ena_tc);
- ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
- max_txqs);
- if (ret) {
- dev_err(dev, "VSI %d failed lan queue config, error %d\n",
- vsi->vsi_num, ret);
- goto unroll_clear_rings;
- }
-
- /* Add switch rule to drop all Tx Flow Control Frames, of look up
- * type ETHERTYPE from VSIs, and restrict malicious VF from sending
- * out PAUSE or PFC frames. If enabled, FW can still send FC frames.
- * The rule is added once for PF VSI in order to create appropriate
- * recipe, since VSI/VSI list is ignored with drop action...
- * Also add rules to handle LLDP Tx packets. Tx LLDP packets need to
- * be dropped so that VFs cannot send LLDP packets to reconfig DCB
- * settings in the HW.
- */
- if (!ice_is_safe_mode(pf))
- if (vsi->type == ICE_VSI_PF) {
- ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX,
- ICE_DROP_PACKET);
- ice_cfg_sw_lldp(vsi, true, true);
- }
-
- if (!vsi->agg_node)
- ice_set_agg_vsi(vsi);
- return vsi;
+ return 0;
-unroll_clear_rings:
- ice_vsi_clear_rings(vsi);
unroll_vector_base:
/* reclaim SW interrupts back to the common pool */
ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
unroll_alloc_q_vector:
ice_vsi_free_q_vectors(vsi);
unroll_vsi_init:
- ice_vsi_free_stats(vsi);
ice_vsi_delete(vsi);
unroll_get_qs:
ice_vsi_put_qs(vsi);
+unroll_vsi_alloc_stat:
+ ice_vsi_free_stats(vsi);
unroll_vsi_alloc:
- if (vsi_type == ICE_VSI_VF)
- ice_enable_lag(pf->lag);
- ice_vsi_free(vsi);
-
- return NULL;
+ ice_vsi_free_arrays(vsi);
+ return ret;
}
/**
- * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW
- * @vsi: the VSI being cleaned up
+ * ice_vsi_cfg - configure VSI and tc on it
+ * @vsi: pointer to VSI
+ * @vf: pointer to VF to which this VSI connects. This field is used primarily
+ * for the ICE_VSI_VF type. Other VSI types should pass NULL.
+ * @ch: ptr to channel
*/
-static void ice_vsi_release_msix(struct ice_vsi *vsi)
+int ice_vsi_cfg(struct ice_vsi *vsi, struct ice_vf *vf, struct ice_channel *ch)
{
- struct ice_pf *pf = vsi->back;
- struct ice_hw *hw = &pf->hw;
- u32 txq = 0;
- u32 rxq = 0;
- int i, q;
+ int ret;
- ice_for_each_q_vector(vsi, i) {
- struct ice_q_vector *q_vector = vsi->q_vectors[i];
+ ret = ice_vsi_cfg_def(vsi, vf, ch);
+ if (ret)
+ return ret;
- ice_write_intrl(q_vector, 0);
- for (q = 0; q < q_vector->num_ring_tx; q++) {
- ice_write_itr(&q_vector->tx, 0);
- wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
- if (ice_is_xdp_ena_vsi(vsi)) {
- u32 xdp_txq = txq + vsi->num_xdp_txq;
+ ret = ice_vsi_cfg_tc_lan(vsi->back, vsi);
+ if (ret)
+ ice_vsi_decfg(vsi);
- wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0);
- }
- txq++;
+ return ret;
+}
+
+/**
+ * ice_vsi_decfg - remove all VSI configuration
+ * @vsi: pointer to VSI
+ */
+void ice_vsi_decfg(struct ice_vsi *vsi)
+{
+ struct ice_pf *pf = vsi->back;
+ int err;
+
+ /* The Rx rule will only exist to remove if the LLDP FW
+ * engine is currently stopped
+ */
+ if (!ice_is_safe_mode(pf) && vsi->type == ICE_VSI_PF &&
+ !test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
+ ice_cfg_sw_lldp(vsi, false, false);
+
+ ice_fltr_remove_all(vsi);
+ ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
+ err = ice_rm_vsi_rdma_cfg(vsi->port_info, vsi->idx);
+ if (err)
+ dev_err(ice_pf_to_dev(pf), "Failed to remove RDMA scheduler config for VSI %u, err %d\n",
+ vsi->vsi_num, err);
+
+ if (ice_is_xdp_ena_vsi(vsi))
+ /* return value check can be skipped here, it always returns
+ * 0 if reset is in progress
+ */
+ ice_destroy_xdp_rings(vsi);
+
+ ice_vsi_clear_rings(vsi);
+ ice_vsi_free_q_vectors(vsi);
+ ice_vsi_delete(vsi);
+ ice_vsi_put_qs(vsi);
+ ice_vsi_free_arrays(vsi);
+
+ /* SR-IOV determines needed MSIX resources all at once instead of per
+ * VSI since when VFs are spawned we know how many VFs there are and how
+ * many interrupts each VF needs. SR-IOV MSIX resources are also
+ * cleared in the same manner.
+ */
+ if (vsi->type == ICE_VSI_CTRL && vsi->vf) {
+ ice_free_vf_ctrl_res(pf, vsi);
+ } else if (vsi->type != ICE_VSI_VF) {
+ /* reclaim SW interrupts back to the common pool */
+ ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
+ pf->num_avail_sw_msix += vsi->num_q_vectors;
+ vsi->base_vector = 0;
+ }
+
+ if (vsi->type == ICE_VSI_VF &&
+ vsi->agg_node && vsi->agg_node->valid)
+ vsi->agg_node->num_vsis--;
+ if (vsi->agg_node) {
+ vsi->agg_node->valid = false;
+ vsi->agg_node->agg_id = 0;
+ }
+}
+
+/**
+ * ice_vsi_setup - Set up a VSI by a given type
+ * @pf: board private structure
+ * @pi: pointer to the port_info instance
+ * @vsi_type: VSI type
+ * @vf: pointer to VF to which this VSI connects. This field is used primarily
+ * for the ICE_VSI_VF type. Other VSI types should pass NULL.
+ * @ch: ptr to channel
+ *
+ * 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 vsi_type, struct ice_vf *vf,
+ struct ice_channel *ch)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+ struct ice_vsi *vsi;
+ int ret;
+
+ vsi = ice_vsi_alloc(pf, pi, vsi_type, ch, vf);
+ if (!vsi) {
+ dev_err(dev, "could not allocate VSI\n");
+ return NULL;
+ }
+
+ ret = ice_vsi_cfg(vsi, vf, ch);
+ if (ret)
+ goto err_vsi_cfg;
+
+ /* Add switch rule to drop all Tx Flow Control Frames, of look up
+ * type ETHERTYPE from VSIs, and restrict malicious VF from sending
+ * out PAUSE or PFC frames. If enabled, FW can still send FC frames.
+ * The rule is added once for PF VSI in order to create appropriate
+ * recipe, since VSI/VSI list is ignored with drop action...
+ * Also add rules to handle LLDP Tx packets. Tx LLDP packets need to
+ * be dropped so that VFs cannot send LLDP packets to reconfig DCB
+ * settings in the HW.
+ */
+ if (!ice_is_safe_mode(pf) && vsi->type == ICE_VSI_PF) {
+ ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX,
+ ICE_DROP_PACKET);
+ ice_cfg_sw_lldp(vsi, true, true);
+ }
+
+ if (!vsi->agg_node)
+ ice_set_agg_vsi(vsi);
+
+ return vsi;
+
+err_vsi_cfg:
+ if (vsi_type == ICE_VSI_VF)
+ ice_enable_lag(pf->lag);
+ ice_vsi_free(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;
+ struct ice_hw *hw = &pf->hw;
+ u32 txq = 0;
+ u32 rxq = 0;
+ int i, q;
+
+ ice_for_each_q_vector(vsi, i) {
+ struct ice_q_vector *q_vector = vsi->q_vectors[i];
+
+ ice_write_intrl(q_vector, 0);
+ for (q = 0; q < q_vector->num_ring_tx; q++) {
+ ice_write_itr(&q_vector->tx, 0);
+ wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
+ if (ice_is_xdp_ena_vsi(vsi)) {
+ u32 xdp_txq = txq + vsi->num_xdp_txq;
+
+ wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0);
+ }
+ txq++;
}
for (q = 0; q < q_vector->num_ring_rx; q++) {
netif_napi_del(&vsi->q_vectors[v_idx]->napi);
}
-/**
- * ice_free_vf_ctrl_res - Free the VF control VSI resource
- * @pf: pointer to PF structure
- * @vsi: the VSI to free resources for
- *
- * Check if the VF control VSI resource is still in use. If no VF is using it
- * any more, release the VSI resource. Otherwise, leave it to be cleaned up
- * once no other VF uses it.
- */
-static void ice_free_vf_ctrl_res(struct ice_pf *pf, struct ice_vsi *vsi)
-{
- struct ice_vf *vf;
- unsigned int bkt;
-
- rcu_read_lock();
- ice_for_each_vf_rcu(pf, bkt, vf) {
- if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) {
- rcu_read_unlock();
- return;
- }
- }
- rcu_read_unlock();
-
- /* No other VFs left that have control VSI. It is now safe to reclaim
- * SW interrupts back to the common pool.
- */
- ice_free_res(pf->irq_tracker, vsi->base_vector,
- ICE_RES_VF_CTRL_VEC_ID);
- pf->num_avail_sw_msix += vsi->num_q_vectors;
-}
-
/**
* ice_vsi_release - Delete a VSI and free its resources
* @vsi: the VSI being removed
int ice_vsi_release(struct ice_vsi *vsi)
{
struct ice_pf *pf;
- int err;
if (!vsi->back)
return -ENODEV;
clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state);
}
+ if (vsi->type == ICE_VSI_PF)
+ ice_devlink_destroy_pf_port(pf);
+
if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
ice_rss_clean(vsi);
ice_vsi_close(vsi);
-
- /* SR-IOV determines needed MSIX resources all at once instead of per
- * VSI since when VFs are spawned we know how many VFs there are and how
- * many interrupts each VF needs. SR-IOV MSIX resources are also
- * cleared in the same manner.
- */
- if (vsi->type == ICE_VSI_CTRL && vsi->vf) {
- ice_free_vf_ctrl_res(pf, vsi);
- } else if (vsi->type != ICE_VSI_VF) {
- /* reclaim SW interrupts back to the common pool */
- ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
- pf->num_avail_sw_msix += vsi->num_q_vectors;
- }
-
- /* The Rx rule will only exist to remove if the LLDP FW
- * engine is currently stopped
- */
- if (!ice_is_safe_mode(pf) && vsi->type == ICE_VSI_PF &&
- !test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
- ice_cfg_sw_lldp(vsi, false, false);
-
- if (ice_is_vsi_dflt_vsi(vsi))
- ice_clear_dflt_vsi(vsi);
- ice_fltr_remove_all(vsi);
- ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
- err = ice_rm_vsi_rdma_cfg(vsi->port_info, vsi->idx);
- if (err)
- dev_err(ice_pf_to_dev(vsi->back), "Failed to remove RDMA scheduler config for VSI %u, err %d\n",
- vsi->vsi_num, err);
- ice_vsi_delete(vsi);
- ice_vsi_free_q_vectors(vsi);
+ ice_vsi_decfg(vsi);
if (vsi->netdev) {
if (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state)) {
}
}
- if (vsi->type == ICE_VSI_VF &&
- vsi->agg_node && vsi->agg_node->valid)
- vsi->agg_node->num_vsis--;
- ice_vsi_clear_rings(vsi);
- ice_vsi_free_stats(vsi);
- ice_vsi_put_qs(vsi);
-
/* 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.
/**
* ice_vsi_rebuild - Rebuild VSI after reset
* @vsi: VSI to be rebuild
- * @init_vsi: is this an initialization or a reconfigure of the VSI
+ * @init_vsi: flag, tell if VSI need to be initialized
*
* Returns 0 on success and negative value on failure
*/
-int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
+int ice_vsi_rebuild(struct ice_vsi *vsi, int init_vsi)
{
- u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
struct ice_coalesce_stored *coalesce;
- int ret, i, prev_txq, prev_rxq;
+ int ret, prev_txq, prev_rxq;
int prev_num_q_vectors = 0;
- enum ice_vsi_type vtype;
struct ice_pf *pf;
if (!vsi)
return -EINVAL;
pf = vsi->back;
- vtype = vsi->type;
- if (WARN_ON(vtype == ICE_VSI_VF && !vsi->vf))
+ if (WARN_ON(vsi->type == ICE_VSI_VF && !vsi->vf))
return -EINVAL;
- ice_vsi_init_vlan_ops(vsi);
-
coalesce = kcalloc(vsi->num_q_vectors,
sizeof(struct ice_coalesce_stored), GFP_KERNEL);
if (!coalesce)
prev_txq = vsi->num_txq;
prev_rxq = vsi->num_rxq;
- ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
- ret = ice_rm_vsi_rdma_cfg(vsi->port_info, vsi->idx);
+ ice_vsi_decfg(vsi);
+ ret = ice_vsi_cfg_def(vsi, vsi->vf, vsi->ch);
if (ret)
- dev_err(ice_pf_to_dev(vsi->back), "Failed to remove RDMA scheduler config for VSI %u, err %d\n",
- vsi->vsi_num, ret);
- ice_vsi_free_q_vectors(vsi);
-
- /* SR-IOV determines needed MSIX resources all at once instead of per
- * VSI since when VFs are spawned we know how many VFs there are and how
- * many interrupts each VF needs. SR-IOV MSIX resources are also
- * cleared in the same manner.
- */
- if (vtype != ICE_VSI_VF) {
- /* reclaim SW interrupts back to the common pool */
- ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
- pf->num_avail_sw_msix += vsi->num_q_vectors;
- vsi->base_vector = 0;
- }
-
- if (ice_is_xdp_ena_vsi(vsi))
- /* return value check can be skipped here, it always returns
- * 0 if reset is in progress
- */
- ice_destroy_xdp_rings(vsi);
- ice_vsi_put_qs(vsi);
- ice_vsi_clear_rings(vsi);
- ice_vsi_free_arrays(vsi);
- if (vtype == ICE_VSI_VF)
- ice_vsi_set_num_qs(vsi, vsi->vf);
- else
- ice_vsi_set_num_qs(vsi, NULL);
-
- ret = ice_vsi_alloc_arrays(vsi);
- if (ret < 0)
- goto err_vsi;
-
- ice_vsi_get_qs(vsi);
-
- ice_alloc_fd_res(vsi);
- ice_vsi_set_tc_cfg(vsi);
-
- /* Initialize VSI struct elements and create VSI in FW */
- ret = ice_vsi_init(vsi, init_vsi);
- if (ret < 0)
- goto err_vsi;
-
- switch (vtype) {
- case ICE_VSI_CTRL:
- case ICE_VSI_SWITCHDEV_CTRL:
- 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_set_q_vectors_reg_idx(vsi);
- if (ret)
- goto err_vectors;
-
- ret = ice_vsi_alloc_rings(vsi);
- if (ret)
- goto err_vectors;
-
- ret = ice_vsi_alloc_ring_stats(vsi);
- if (ret)
- goto err_vectors;
-
- ice_vsi_map_rings_to_vectors(vsi);
-
- vsi->stat_offsets_loaded = false;
- if (ice_is_xdp_ena_vsi(vsi)) {
- ret = ice_vsi_determine_xdp_res(vsi);
- if (ret)
- goto err_vectors;
- ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog);
- if (ret)
- goto err_vectors;
- }
- /* ICE_VSI_CTRL does not need RSS so skip RSS processing */
- if (vtype != ICE_VSI_CTRL)
- /* 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);
-
- /* disable or enable CRC stripping */
- if (vsi->netdev)
- ice_vsi_cfg_crc_strip(vsi, !!(vsi->netdev->features &
- NETIF_F_RXFCS));
-
- break;
- case ICE_VSI_VF:
- ret = ice_vsi_alloc_q_vectors(vsi);
- if (ret)
- goto err_rings;
-
- ret = ice_vsi_set_q_vectors_reg_idx(vsi);
- if (ret)
- goto err_vectors;
-
- ret = ice_vsi_alloc_rings(vsi);
- if (ret)
- goto err_vectors;
-
- ret = ice_vsi_alloc_ring_stats(vsi);
- if (ret)
- goto err_vectors;
-
- vsi->stat_offsets_loaded = false;
- break;
- case ICE_VSI_CHNL:
- if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
- ice_vsi_cfg_rss_lut_key(vsi);
- ice_vsi_set_rss_flow_fld(vsi);
- }
- break;
- default:
- break;
- }
-
- /* configure VSI nodes based on number of queues and TC's */
- for (i = 0; i < vsi->tc_cfg.numtc; i++) {
- /* configure VSI nodes based on number of queues and TC's.
- * ADQ creates VSIs for each TC/Channel but doesn't
- * allocate queues instead it reconfigures the PF queues
- * as per the TC command. So max_txqs should point to the
- * PF Tx queues.
- */
- if (vtype == ICE_VSI_CHNL)
- max_txqs[i] = pf->num_lan_tx;
- else
- max_txqs[i] = vsi->alloc_txq;
-
- if (ice_is_xdp_ena_vsi(vsi))
- max_txqs[i] += vsi->num_xdp_txq;
- }
-
- if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
- /* If MQPRIO is set, means channel code path, hence for main
- * VSI's, use TC as 1
- */
- ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, 1, max_txqs);
- else
- ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx,
- vsi->tc_cfg.ena_tc, max_txqs);
+ goto err_vsi_cfg;
+ ret = ice_vsi_cfg_tc_lan(pf, vsi);
if (ret) {
- dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %d\n",
- vsi->vsi_num, ret);
- if (init_vsi) {
+ if (init_vsi & ICE_VSI_FLAG_INIT) {
ret = -EIO;
- goto err_vectors;
+ goto err_vsi_cfg_tc_lan;
} else {
kfree(coalesce);
return ice_schedule_reset(pf, ICE_RESET_PFR);
}
if (ice_vsi_realloc_stat_arrays(vsi, prev_txq, prev_rxq))
- goto err_vectors;
+ goto err_vsi_cfg_tc_lan;
ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors);
kfree(coalesce);
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_free(vsi);
- set_bit(ICE_RESET_FAILED, pf->state);
+err_vsi_cfg_tc_lan:
+ ice_vsi_decfg(vsi);
+err_vsi_cfg:
kfree(coalesce);
return ret;
}
projects / users / hch / configfs.git / commitdiff