ice: Move common functions out of ice_main.c part 5/7

This patch continues the code move out of ice_main.c

The following top level functions (and related dependency functions) were
moved to ice_lib.c:
ice_vsi_clear
ice_vsi_close
ice_vsi_free_arrays
ice_vsi_map_rings_to_vectors

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anirudh Venkataramanan 2018-09-19 17:23:08 -07:00 committed by Jeff Kirsher
parent 28c2a64573
commit 07309a0e59
3 changed files with 141 additions and 132 deletions

View File

@ -341,6 +341,71 @@ void ice_vsi_delete(struct ice_vsi *vsi)
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
*/
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
@ -700,6 +765,60 @@ err_out:
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.
*/
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_add_mac_to_list - Add a mac address filter entry to the list
* @vsi: the VSI to be forwarded to
@ -1385,6 +1504,20 @@ void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
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

View File

@ -6,6 +6,8 @@
#include "ice.h"
void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi);
int ice_vsi_alloc_rings(struct ice_vsi *vsi);
void ice_vsi_set_rss_params(struct ice_vsi *vsi);
@ -16,6 +18,8 @@ int ice_get_free_slot(void *array, int size, int curr);
int ice_vsi_init(struct ice_vsi *vsi);
void ice_vsi_free_arrays(struct ice_vsi *vsi, bool free_qvectors);
void ice_vsi_clear_rings(struct ice_vsi *vsi);
int ice_vsi_alloc_arrays(struct ice_vsi *vsi, bool alloc_qvectors);
@ -51,6 +55,10 @@ 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);
void ice_vsi_close(struct ice_vsi *vsi);
int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id);
int

View File

@ -1313,60 +1313,6 @@ 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_alloc - Allocates the next available struct vsi in the PF
* @pf: board private structure
@ -1770,71 +1716,6 @@ static int ice_cfg_netdev(struct ice_vsi *vsi)
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
@ -3709,19 +3590,6 @@ err_setup_tx:
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