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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c8
-rw-r--r--drivers/net/ethernet/google/gve/gve_main.c9
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c10
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_txrx.c8
-rw-r--r--drivers/net/netdevsim/netdev.c7
-rw-r--r--include/net/netdev_queues.h9
-rw-r--r--include/net/netdev_rx_queue.h2
-rw-r--r--net/core/dev.c17
-rw-r--r--net/core/netdev_rx_queue.c12
9 files changed, 66 insertions, 16 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 8419d1eb4035..a0abe991f79a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -15911,7 +15911,9 @@ static const struct netdev_stat_ops bnxt_stat_ops = {
.get_base_stats = bnxt_get_base_stats,
};
-static int bnxt_queue_mem_alloc(struct net_device *dev, void *qmem, int idx)
+static int bnxt_queue_mem_alloc(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *qmem, int idx)
{
struct bnxt_rx_ring_info *rxr, *clone;
struct bnxt *bp = netdev_priv(dev);
@@ -16077,7 +16079,9 @@ static void bnxt_copy_rx_ring(struct bnxt *bp,
dst->rx_agg_bmap = src->rx_agg_bmap;
}
-static int bnxt_queue_start(struct net_device *dev, void *qmem, int idx)
+static int bnxt_queue_start(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *qmem, int idx)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_rx_ring_info *rxr, *clone;
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index 7eb64e1e4d85..c42640da15a5 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -2616,8 +2616,9 @@ static void gve_rx_queue_mem_free(struct net_device *dev, void *per_q_mem)
gve_rx_free_ring_dqo(priv, gve_per_q_mem, &cfg);
}
-static int gve_rx_queue_mem_alloc(struct net_device *dev, void *per_q_mem,
- int idx)
+static int gve_rx_queue_mem_alloc(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *per_q_mem, int idx)
{
struct gve_priv *priv = netdev_priv(dev);
struct gve_rx_alloc_rings_cfg cfg = {0};
@@ -2638,7 +2639,9 @@ static int gve_rx_queue_mem_alloc(struct net_device *dev, void *per_q_mem,
return err;
}
-static int gve_rx_queue_start(struct net_device *dev, void *per_q_mem, int idx)
+static int gve_rx_queue_start(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *per_q_mem, int idx)
{
struct gve_priv *priv = netdev_priv(dev);
struct gve_rx_ring *gve_per_q_mem;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 07fc4d2c8fad..0e2132b58257 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5596,8 +5596,9 @@ struct mlx5_qmgmt_data {
struct mlx5e_channel_param cparam;
};
-static int mlx5e_queue_mem_alloc(struct net_device *dev, void *newq,
- int queue_index)
+static int mlx5e_queue_mem_alloc(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *newq, int queue_index)
{
struct mlx5_qmgmt_data *new = (struct mlx5_qmgmt_data *)newq;
struct mlx5e_priv *priv = netdev_priv(dev);
@@ -5658,8 +5659,9 @@ static int mlx5e_queue_stop(struct net_device *dev, void *oldq, int queue_index)
return 0;
}
-static int mlx5e_queue_start(struct net_device *dev, void *newq,
- int queue_index)
+static int mlx5e_queue_start(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *newq, int queue_index)
{
struct mlx5_qmgmt_data *new = (struct mlx5_qmgmt_data *)newq;
struct mlx5e_priv *priv = netdev_priv(dev);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
index 13d508ce637f..e36ed25462b4 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
@@ -2809,7 +2809,9 @@ void fbnic_napi_depletion_check(struct net_device *netdev)
fbnic_wrfl(fbd);
}
-static int fbnic_queue_mem_alloc(struct net_device *dev, void *qmem, int idx)
+static int fbnic_queue_mem_alloc(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *qmem, int idx)
{
struct fbnic_net *fbn = netdev_priv(dev);
const struct fbnic_q_triad *real;
@@ -2861,7 +2863,9 @@ static void __fbnic_nv_restart(struct fbnic_net *fbn,
netif_wake_subqueue(fbn->netdev, nv->qt[i].sub0.q_idx);
}
-static int fbnic_queue_start(struct net_device *dev, void *qmem, int idx)
+static int fbnic_queue_start(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *qmem, int idx)
{
struct fbnic_net *fbn = netdev_priv(dev);
struct fbnic_napi_vector *nv;
diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c
index 6927c1962277..6285fbefe38a 100644
--- a/drivers/net/netdevsim/netdev.c
+++ b/drivers/net/netdevsim/netdev.c
@@ -758,7 +758,9 @@ struct nsim_queue_mem {
};
static int
-nsim_queue_mem_alloc(struct net_device *dev, void *per_queue_mem, int idx)
+nsim_queue_mem_alloc(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
+ void *per_queue_mem, int idx)
{
struct nsim_queue_mem *qmem = per_queue_mem;
struct netdevsim *ns = netdev_priv(dev);
@@ -807,7 +809,8 @@ static void nsim_queue_mem_free(struct net_device *dev, void *per_queue_mem)
}
static int
-nsim_queue_start(struct net_device *dev, void *per_queue_mem, int idx)
+nsim_queue_start(struct net_device *dev, struct netdev_queue_config *qcfg,
+ void *per_queue_mem, int idx)
{
struct nsim_queue_mem *qmem = per_queue_mem;
struct netdevsim *ns = netdev_priv(dev);
diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h
index 541e7d9853b1..f6f1f71a24e1 100644
--- a/include/net/netdev_queues.h
+++ b/include/net/netdev_queues.h
@@ -14,6 +14,9 @@ struct netdev_config {
u8 hds_config;
};
+struct netdev_queue_config {
+};
+
/* See the netdev.yaml spec for definition of each statistic */
struct netdev_queue_stats_rx {
u64 bytes;
@@ -130,6 +133,8 @@ void netdev_stat_queue_sum(struct net_device *netdev,
* @ndo_queue_get_dma_dev: Get dma device for zero-copy operations to be used
* for this queue. Return NULL on error.
*
+ * @ndo_default_qcfg: Populate queue config struct with defaults. Optional.
+ *
* Note that @ndo_queue_mem_alloc and @ndo_queue_mem_free may be called while
* the interface is closed. @ndo_queue_start and @ndo_queue_stop will only
* be called for an interface which is open.
@@ -137,16 +142,20 @@ void netdev_stat_queue_sum(struct net_device *netdev,
struct netdev_queue_mgmt_ops {
size_t ndo_queue_mem_size;
int (*ndo_queue_mem_alloc)(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
void *per_queue_mem,
int idx);
void (*ndo_queue_mem_free)(struct net_device *dev,
void *per_queue_mem);
int (*ndo_queue_start)(struct net_device *dev,
+ struct netdev_queue_config *qcfg,
void *per_queue_mem,
int idx);
int (*ndo_queue_stop)(struct net_device *dev,
void *per_queue_mem,
int idx);
+ void (*ndo_default_qcfg)(struct net_device *dev,
+ struct netdev_queue_config *qcfg);
struct device * (*ndo_queue_get_dma_dev)(struct net_device *dev,
int idx);
};
diff --git a/include/net/netdev_rx_queue.h b/include/net/netdev_rx_queue.h
index 8cdcd138b33f..cfa72c485387 100644
--- a/include/net/netdev_rx_queue.h
+++ b/include/net/netdev_rx_queue.h
@@ -7,6 +7,7 @@
#include <linux/sysfs.h>
#include <net/xdp.h>
#include <net/page_pool/types.h>
+#include <net/netdev_queues.h>
/* This structure contains an instance of an RX queue. */
struct netdev_rx_queue {
@@ -27,6 +28,7 @@ struct netdev_rx_queue {
struct xsk_buff_pool *pool;
#endif
struct napi_struct *napi;
+ struct netdev_queue_config qcfg;
struct pp_memory_provider_params mp_params;
} ____cacheline_aligned_in_smp;
diff --git a/net/core/dev.c b/net/core/dev.c
index 36dc5199037e..a1d394addaef 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -11270,6 +11270,21 @@ static void netdev_free_phy_link_topology(struct net_device *dev)
}
}
+static void init_rx_queue_cfgs(struct net_device *dev)
+{
+ const struct netdev_queue_mgmt_ops *qops = dev->queue_mgmt_ops;
+ struct netdev_rx_queue *rxq;
+ int i;
+
+ if (!qops || !qops->ndo_default_qcfg)
+ return;
+
+ for (i = 0; i < dev->num_rx_queues; i++) {
+ rxq = __netif_get_rx_queue(dev, i);
+ qops->ndo_default_qcfg(dev, &rxq->qcfg);
+ }
+}
+
/**
* register_netdevice() - register a network device
* @dev: device to register
@@ -11315,6 +11330,8 @@ int register_netdevice(struct net_device *dev)
if (!dev->name_node)
goto out;
+ init_rx_queue_cfgs(dev);
+
/* Init, if this function is available */
if (dev->netdev_ops->ndo_init) {
ret = dev->netdev_ops->ndo_init(dev);
diff --git a/net/core/netdev_rx_queue.c b/net/core/netdev_rx_queue.c
index a0083f176a9c..86d1c0a925e3 100644
--- a/net/core/netdev_rx_queue.c
+++ b/net/core/netdev_rx_queue.c
@@ -22,6 +22,7 @@ int netdev_rx_queue_restart(struct net_device *dev, unsigned int rxq_idx)
{
struct netdev_rx_queue *rxq = __netif_get_rx_queue(dev, rxq_idx);
const struct netdev_queue_mgmt_ops *qops = dev->queue_mgmt_ops;
+ struct netdev_queue_config qcfg;
void *new_mem, *old_mem;
int err;
@@ -31,6 +32,10 @@ int netdev_rx_queue_restart(struct net_device *dev, unsigned int rxq_idx)
netdev_assert_locked(dev);
+ memset(&qcfg, 0, sizeof(qcfg));
+ if (qops->ndo_default_qcfg)
+ qops->ndo_default_qcfg(dev, &qcfg);
+
new_mem = kvzalloc(qops->ndo_queue_mem_size, GFP_KERNEL);
if (!new_mem)
return -ENOMEM;
@@ -41,7 +46,7 @@ int netdev_rx_queue_restart(struct net_device *dev, unsigned int rxq_idx)
goto err_free_new_mem;
}
- err = qops->ndo_queue_mem_alloc(dev, new_mem, rxq_idx);
+ err = qops->ndo_queue_mem_alloc(dev, &qcfg, new_mem, rxq_idx);
if (err)
goto err_free_old_mem;
@@ -54,7 +59,7 @@ int netdev_rx_queue_restart(struct net_device *dev, unsigned int rxq_idx)
if (err)
goto err_free_new_queue_mem;
- err = qops->ndo_queue_start(dev, new_mem, rxq_idx);
+ err = qops->ndo_queue_start(dev, &qcfg, new_mem, rxq_idx);
if (err)
goto err_start_queue;
} else {
@@ -66,6 +71,7 @@ int netdev_rx_queue_restart(struct net_device *dev, unsigned int rxq_idx)
kvfree(old_mem);
kvfree(new_mem);
+ rxq->qcfg = qcfg;
return 0;
err_start_queue:
@@ -76,7 +82,7 @@ err_start_queue:
* WARN if we fail to recover the old rx queue, and at least free
* old_mem so we don't also leak that.
*/
- if (qops->ndo_queue_start(dev, old_mem, rxq_idx)) {
+ if (qops->ndo_queue_start(dev, &rxq->qcfg, old_mem, rxq_idx)) {
WARN(1,
"Failed to restart old queue in error path. RX queue %d may be unhealthy.",
rxq_idx);