[Intel-wired-lan] [PATCH 05/16] ice: Move common functions out of ice_main.c part 5/7
Anirudh Venkataramanan
anirudh.venkataramanan at intel.com
Thu Sep 20 00:23:08 UTC 2018
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 at intel.com>
---
drivers/net/ethernet/intel/ice/ice_lib.c | 133 ++++++++++++++++++++++++++++++
drivers/net/ethernet/intel/ice/ice_lib.h | 8 ++
drivers/net/ethernet/intel/ice/ice_main.c | 132 -----------------------------
3 files changed, 141 insertions(+), 132 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index fa96279139d0..c9f82e351802 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -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 @@ int ice_vsi_alloc_rings(struct ice_vsi *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.
+ */
+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
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h
index ab5a4e1edcf8..002bbca8e7ea 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_lib.h
@@ -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
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 9ef8611d13b0..40f4e0c9b722 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -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
@@ -3733,19 +3614,6 @@ 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
--
2.14.3
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