[PATCH net-next v4 14/15] gve: add ctrl ops to for queue operations
From: Harshitha Ramamurthy <hramamurthy@google.com>
Date: 2026-08-14 02:14:33
Also in:
bpf, lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add the next few control ops to - create queues - destroy queues These changes are just moving existing code into ops, no functional change. Reviewed-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Jordan Rhee <redacted> Signed-off-by: Harshitha Ramamurthy <hramamurthy@google.com> --- v4 - remove double logging in destroy path v3 - remove double logging in the create queues path drivers/net/ethernet/google/gve/gve.h | 4 ++ drivers/net/ethernet/google/gve/gve_adminq.c | 50 ++++++++++++++++++++ drivers/net/ethernet/google/gve/gve_adminq.h | 2 + drivers/net/ethernet/google/gve/gve_dqo.h | 2 +- drivers/net/ethernet/google/gve/gve_main.c | 45 ++++-------------- 5 files changed, 66 insertions(+), 37 deletions(-)
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h
index c9fffc727eb3..f3906be810d8 100644
--- a/drivers/net/ethernet/google/gve/gve.h
+++ b/drivers/net/ethernet/google/gve/gve.h@@ -845,6 +845,8 @@ struct gve_device_info { * @configure_rss: Set up default RSS configuration * @setup_stats_report: Set up DMA region for stats report (AdminQ only) * @reset_flow_rules: Flush all flow rules from device + * @create_queues: Sends commands to the device to create TX/RX queues. + * @destroy_queues: Sends commands to the device to destroy TX/RX queues. */ struct gve_ctrl_ops { int (*map_db_bar)(struct gve_priv *priv);
@@ -863,6 +865,8 @@ struct gve_ctrl_ops { dma_addr_t stats_report_addr, u64 interval_ms); /* AQ-specific */ int (*reset_flow_rules)(struct gve_priv *priv); + int (*create_queues)(struct gve_priv *priv); + int (*destroy_queues)(struct gve_priv *priv); }; struct gve_priv {
diff --git a/drivers/net/ethernet/google/gve/gve_adminq.c b/drivers/net/ethernet/google/gve/gve_adminq.c
index d6d3c0aacc4c..3635e81e936a 100644
--- a/drivers/net/ethernet/google/gve/gve_adminq.c
+++ b/drivers/net/ethernet/google/gve/gve_adminq.c@@ -941,6 +941,30 @@ static void gve_set_default_rss_sizes(struct gve_priv *priv) } } +int gve_adminq_destroy_queues(struct gve_priv *priv) +{ + int num_tx_queues = gve_num_tx_queues(priv); + int err; + + err = gve_adminq_destroy_tx_queues(priv, 0, num_tx_queues); + if (err) { + netif_err(priv, drv, priv->dev, + "failed to destroy tx queues\n"); + /* This failure will trigger a reset - no need to clean up */ + return err; + } + netif_dbg(priv, drv, priv->dev, "destroyed tx queues\n"); + err = gve_adminq_destroy_rx_queues(priv, priv->rx_cfg.num_queues); + if (err) { + netif_err(priv, drv, priv->dev, + "failed to destroy rx queues\n"); + /* This failure will trigger a reset - no need to clean up */ + return err; + } + netif_dbg(priv, drv, priv->dev, "destroyed rx queues\n"); + return err; +} + static void gve_enable_supported_features(struct gve_priv *priv, u32 supported_features_mask, const struct gve_device_option_jumbo_frames
@@ -1789,3 +1813,29 @@ void gve_adminq_teardown_mgmt_irq(struct gve_priv *priv) priv->mgmt_irq_requested = false; } } + +int gve_adminq_create_queues(struct gve_priv *priv) +{ + int num_tx_queues = gve_num_tx_queues(priv); + int err; + + err = gve_adminq_create_tx_queues(priv, 0, num_tx_queues); + if (err) { + netif_err(priv, drv, priv->dev, "failed to create %d tx queues\n", + num_tx_queues); + return err; + } + netif_dbg(priv, drv, priv->dev, "created %d tx queues\n", + num_tx_queues); + + err = gve_adminq_create_rx_queues(priv, priv->rx_cfg.num_queues); + if (err) { + netif_err(priv, drv, priv->dev, "failed to create %d rx queues\n", + priv->rx_cfg.num_queues); + return err; + } + netif_dbg(priv, drv, priv->dev, "created %d rx queues\n", + priv->rx_cfg.num_queues); + + return err; +}
diff --git a/drivers/net/ethernet/google/gve/gve_adminq.h b/drivers/net/ethernet/google/gve/gve_adminq.h
index 0b48e9f2a82a..d696e4932a8b 100644
--- a/drivers/net/ethernet/google/gve/gve_adminq.h
+++ b/drivers/net/ethernet/google/gve/gve_adminq.h@@ -628,6 +628,8 @@ int gve_adminq_configure_device_resources(struct gve_priv *priv, dma_addr_t db_array_bus_addr, u32 num_ntfy_blks); int gve_adminq_deconfigure_device_resources(struct gve_priv *priv); +int gve_adminq_create_queues(struct gve_priv *priv); +int gve_adminq_destroy_queues(struct gve_priv *priv); int gve_adminq_create_tx_queues(struct gve_priv *priv, u32 start_id, u32 num_queues); int gve_adminq_destroy_tx_queues(struct gve_priv *priv, u32 start_id, u32 num_queues); int gve_adminq_create_single_rx_queue(struct gve_priv *priv, u32 queue_index);
diff --git a/drivers/net/ethernet/google/gve/gve_dqo.h b/drivers/net/ethernet/google/gve/gve_dqo.h
index 5871f773f0c7..ce402020dff6 100644
--- a/drivers/net/ethernet/google/gve/gve_dqo.h
+++ b/drivers/net/ethernet/google/gve/gve_dqo.h@@ -66,7 +66,7 @@ void gve_rx_write_doorbell_dqo(const struct gve_priv *priv, int queue_idx); void gve_xdp_tx_flush_dqo(struct gve_priv *priv, u32 xdp_qid); static inline void -gve_tx_put_doorbell_dqo(const struct gve_priv *priv, +gve_tx_put_doorbell_dqo(struct gve_priv *priv, const struct gve_queue_resources *q_resources, u32 val) { u64 index;
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index eecc98807395..500247b0e34a 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c@@ -874,33 +874,18 @@ static int gve_unregister_qpls(struct gve_priv *priv) static int gve_create_rings(struct gve_priv *priv) { - int num_tx_queues = gve_num_tx_queues(priv); int err; int i; - err = gve_adminq_create_tx_queues(priv, 0, num_tx_queues); + err = priv->ctrl_ops->create_queues(priv); if (err) { - netif_err(priv, drv, priv->dev, "failed to create %d tx queues\n", - num_tx_queues); - /* This failure will trigger a reset - no need to clean - * up - */ - return err; - } - netif_dbg(priv, drv, priv->dev, "created %d tx queues\n", - num_tx_queues); - - err = gve_adminq_create_rx_queues(priv, priv->rx_cfg.num_queues); - if (err) { - netif_err(priv, drv, priv->dev, "failed to create %d rx queues\n", - priv->rx_cfg.num_queues); + netif_err(priv, drv, priv->dev, + "failed to create queues\n"); /* This failure will trigger a reset - no need to clean * up */ return err; } - netif_dbg(priv, drv, priv->dev, "created %d rx queues\n", - priv->rx_cfg.num_queues); if (gve_is_gqi(priv)) { /* Rx data ring has been prefilled with packet buffers at queue
@@ -1055,26 +1040,12 @@ static int gve_queues_mem_alloc(struct gve_priv *priv, static int gve_destroy_rings(struct gve_priv *priv) { - int num_tx_queues = gve_num_tx_queues(priv); int err; - err = gve_adminq_destroy_tx_queues(priv, 0, num_tx_queues); - if (err) { - netif_err(priv, drv, priv->dev, - "failed to destroy tx queues\n"); - /* This failure will trigger a reset - no need to clean up */ - return err; - } - netif_dbg(priv, drv, priv->dev, "destroyed tx queues\n"); - err = gve_adminq_destroy_rx_queues(priv, priv->rx_cfg.num_queues); - if (err) { - netif_err(priv, drv, priv->dev, - "failed to destroy rx queues\n"); - /* This failure will trigger a reset - no need to clean up */ - return err; - } - netif_dbg(priv, drv, priv->dev, "destroyed rx queues\n"); - return 0; + err = priv->ctrl_ops->destroy_queues(priv); + + /* A failure will trigger a reset - no need to clean up */ + return err; } static void gve_queues_mem_free(struct gve_priv *priv,
@@ -2487,6 +2458,8 @@ static const struct gve_ctrl_ops gve_adminq_ops = { .release_db_resources = gve_adminq_release_db_resources, .setup_mgmt_irq = gve_adminq_setup_mgmt_irq, .teardown_mgmt_irq = gve_adminq_teardown_mgmt_irq, + .create_queues = gve_adminq_create_queues, + .destroy_queues = gve_adminq_destroy_queues, }; static int gve_init_priv(struct gve_priv *priv)
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2.55.0.691.gc56d675ccc-goog