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From: Shailend Chand <shailend@google.com>
To: netdev@vger.kernel.org
Cc: almasrymina@google.com, davem@davemloft.net, edumazet@google.com,
	 hramamurthy@google.com, jeroendb@google.com, kuba@kernel.org,
	 pabeni@redhat.com, pkaligineedi@google.com, willemb@google.com,
	 Shailend Chand <shailend@google.com>
Subject: [PATCH net-next 03/10] gve: Add adminq funcs to add/remove a single Rx queue
Date: Tue, 30 Apr 2024 23:14:12 +0000	[thread overview]
Message-ID: <20240430231420.699177-4-shailend@google.com> (raw)
In-Reply-To: <20240430231420.699177-1-shailend@google.com>

This allows for implementing future ndo hooks that act on a single
queue.

Tested-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Signed-off-by: Shailend Chand <shailend@google.com>
---
 drivers/net/ethernet/google/gve/gve_adminq.c | 79 ++++++++++++++------
 drivers/net/ethernet/google/gve/gve_adminq.h |  2 +
 2 files changed, 58 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ethernet/google/gve/gve_adminq.c b/drivers/net/ethernet/google/gve/gve_adminq.c
index b2b619aa2310..1b066c92d812 100644
--- a/drivers/net/ethernet/google/gve/gve_adminq.c
+++ b/drivers/net/ethernet/google/gve/gve_adminq.c
@@ -630,14 +630,15 @@ int gve_adminq_create_tx_queues(struct gve_priv *priv, u32 start_id, u32 num_que
 	return gve_adminq_kick_and_wait(priv);
 }
 
-static int gve_adminq_create_rx_queue(struct gve_priv *priv, u32 queue_index)
+static void gve_adminq_get_create_rx_queue_cmd(struct gve_priv *priv,
+					       union gve_adminq_command *cmd,
+					       u32 queue_index)
 {
 	struct gve_rx_ring *rx = &priv->rx[queue_index];
-	union gve_adminq_command cmd;
 
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.opcode = cpu_to_be32(GVE_ADMINQ_CREATE_RX_QUEUE);
-	cmd.create_rx_queue = (struct gve_adminq_create_rx_queue) {
+	memset(cmd, 0, sizeof(*cmd));
+	cmd->opcode = cpu_to_be32(GVE_ADMINQ_CREATE_RX_QUEUE);
+	cmd->create_rx_queue = (struct gve_adminq_create_rx_queue) {
 		.queue_id = cpu_to_be32(queue_index),
 		.ntfy_id = cpu_to_be32(rx->ntfy_id),
 		.queue_resources_addr = cpu_to_be64(rx->q_resources_bus),
@@ -648,13 +649,13 @@ static int gve_adminq_create_rx_queue(struct gve_priv *priv, u32 queue_index)
 		u32 qpl_id = priv->queue_format == GVE_GQI_RDA_FORMAT ?
 			GVE_RAW_ADDRESSING_QPL_ID : rx->data.qpl->id;
 
-		cmd.create_rx_queue.rx_desc_ring_addr =
+		cmd->create_rx_queue.rx_desc_ring_addr =
 			cpu_to_be64(rx->desc.bus),
-		cmd.create_rx_queue.rx_data_ring_addr =
+		cmd->create_rx_queue.rx_data_ring_addr =
 			cpu_to_be64(rx->data.data_bus),
-		cmd.create_rx_queue.index = cpu_to_be32(queue_index);
-		cmd.create_rx_queue.queue_page_list_id = cpu_to_be32(qpl_id);
-		cmd.create_rx_queue.packet_buffer_size = cpu_to_be16(rx->packet_buffer_size);
+		cmd->create_rx_queue.index = cpu_to_be32(queue_index);
+		cmd->create_rx_queue.queue_page_list_id = cpu_to_be32(qpl_id);
+		cmd->create_rx_queue.packet_buffer_size = cpu_to_be16(rx->packet_buffer_size);
 	} else {
 		u32 qpl_id = 0;
 
@@ -662,25 +663,39 @@ static int gve_adminq_create_rx_queue(struct gve_priv *priv, u32 queue_index)
 			qpl_id = GVE_RAW_ADDRESSING_QPL_ID;
 		else
 			qpl_id = rx->dqo.qpl->id;
-		cmd.create_rx_queue.queue_page_list_id = cpu_to_be32(qpl_id);
-		cmd.create_rx_queue.rx_desc_ring_addr =
+		cmd->create_rx_queue.queue_page_list_id = cpu_to_be32(qpl_id);
+		cmd->create_rx_queue.rx_desc_ring_addr =
 			cpu_to_be64(rx->dqo.complq.bus);
-		cmd.create_rx_queue.rx_data_ring_addr =
+		cmd->create_rx_queue.rx_data_ring_addr =
 			cpu_to_be64(rx->dqo.bufq.bus);
-		cmd.create_rx_queue.packet_buffer_size =
+		cmd->create_rx_queue.packet_buffer_size =
 			cpu_to_be16(priv->data_buffer_size_dqo);
-		cmd.create_rx_queue.rx_buff_ring_size =
+		cmd->create_rx_queue.rx_buff_ring_size =
 			cpu_to_be16(priv->rx_desc_cnt);
-		cmd.create_rx_queue.enable_rsc =
+		cmd->create_rx_queue.enable_rsc =
 			!!(priv->dev->features & NETIF_F_LRO);
 		if (priv->header_split_enabled)
-			cmd.create_rx_queue.header_buffer_size =
+			cmd->create_rx_queue.header_buffer_size =
 				cpu_to_be16(priv->header_buf_size);
 	}
+}
 
+static int gve_adminq_create_rx_queue(struct gve_priv *priv, u32 queue_index)
+{
+	union gve_adminq_command cmd;
+
+	gve_adminq_get_create_rx_queue_cmd(priv, &cmd, queue_index);
 	return gve_adminq_issue_cmd(priv, &cmd);
 }
 
+int gve_adminq_create_single_rx_queue(struct gve_priv *priv, u32 queue_index)
+{
+	union gve_adminq_command cmd;
+
+	gve_adminq_get_create_rx_queue_cmd(priv, &cmd, queue_index);
+	return gve_adminq_execute_cmd(priv, &cmd);
+}
+
 int gve_adminq_create_rx_queues(struct gve_priv *priv, u32 num_queues)
 {
 	int err;
@@ -727,17 +742,22 @@ int gve_adminq_destroy_tx_queues(struct gve_priv *priv, u32 start_id, u32 num_qu
 	return gve_adminq_kick_and_wait(priv);
 }
 
+static void gve_adminq_make_destroy_rx_queue_cmd(union gve_adminq_command *cmd,
+						 u32 queue_index)
+{
+	memset(cmd, 0, sizeof(*cmd));
+	cmd->opcode = cpu_to_be32(GVE_ADMINQ_DESTROY_RX_QUEUE);
+	cmd->destroy_rx_queue = (struct gve_adminq_destroy_rx_queue) {
+		.queue_id = cpu_to_be32(queue_index),
+	};
+}
+
 static int gve_adminq_destroy_rx_queue(struct gve_priv *priv, u32 queue_index)
 {
 	union gve_adminq_command cmd;
 	int err;
 
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.opcode = cpu_to_be32(GVE_ADMINQ_DESTROY_RX_QUEUE);
-	cmd.destroy_rx_queue = (struct gve_adminq_destroy_rx_queue) {
-		.queue_id = cpu_to_be32(queue_index),
-	};
-
+	gve_adminq_make_destroy_rx_queue_cmd(&cmd, queue_index);
 	err = gve_adminq_issue_cmd(priv, &cmd);
 	if (err)
 		return err;
@@ -745,6 +765,19 @@ static int gve_adminq_destroy_rx_queue(struct gve_priv *priv, u32 queue_index)
 	return 0;
 }
 
+int gve_adminq_destroy_single_rx_queue(struct gve_priv *priv, u32 queue_index)
+{
+	union gve_adminq_command cmd;
+	int err;
+
+	gve_adminq_make_destroy_rx_queue_cmd(&cmd, queue_index);
+	err = gve_adminq_execute_cmd(priv, &cmd);
+	if (err)
+		return err;
+
+	return 0;
+}
+
 int gve_adminq_destroy_rx_queues(struct gve_priv *priv, u32 num_queues)
 {
 	int err;
diff --git a/drivers/net/ethernet/google/gve/gve_adminq.h b/drivers/net/ethernet/google/gve/gve_adminq.h
index beedf2353847..e64f0dbe744d 100644
--- a/drivers/net/ethernet/google/gve/gve_adminq.h
+++ b/drivers/net/ethernet/google/gve/gve_adminq.h
@@ -451,7 +451,9 @@ int gve_adminq_configure_device_resources(struct gve_priv *priv,
 int gve_adminq_deconfigure_device_resources(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);
 int gve_adminq_create_rx_queues(struct gve_priv *priv, u32 num_queues);
+int gve_adminq_destroy_single_rx_queue(struct gve_priv *priv, u32 queue_index);
 int gve_adminq_destroy_rx_queues(struct gve_priv *priv, u32 queue_id);
 int gve_adminq_register_page_list(struct gve_priv *priv,
 				  struct gve_queue_page_list *qpl);
-- 
2.45.0.rc0.197.gbae5840b3b-goog


  parent reply	other threads:[~2024-04-30 23:14 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-30 23:14 [PATCH net-next 00/10] gve: Implement queue api Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 01/10] queue_api: define " Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 02/10] gve: Make the GQ RX free queue funcs idempotent Shailend Chand
2024-04-30 23:14 ` Shailend Chand [this message]
2024-05-01  4:19   ` [PATCH net-next 03/10] gve: Add adminq funcs to add/remove a single Rx queue Ratheesh Kannoth
2024-05-01 13:50   ` Willem de Bruijn
2024-05-01 23:27     ` Shailend Chand
2024-05-02  1:39       ` Willem de Bruijn
2024-04-30 23:14 ` [PATCH net-next 04/10] gve: Make gve_turn(up|down) ignore stopped queues Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 05/10] gve: Make gve_turnup work for nonempty queues Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 06/10] gve: Avoid rescheduling napi if on wrong cpu Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 07/10] gve: Reset Rx ring state in the ring-stop funcs Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 08/10] gve: Account for stopped queues when reading NIC stats Shailend Chand
2024-04-30 23:14 ` [PATCH net-next 09/10] gve: Alloc and free QPLs with the rings Shailend Chand
2024-05-01 15:31   ` Jakub Kicinski
2024-04-30 23:14 ` [PATCH net-next 10/10] gve: Implement queue api Shailend Chand

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