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gve: Map NAPI instances to queues

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Use the netdev-genl interface to map NAPI instances to queues so that
this information is accessible to user programs via netlink.

$ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
			 --dump queue-get --json='{"ifindex": 2}'

[{'id': 0, 'ifindex': 2, 'napi-id': 8313, 'type': 'rx'},
 {'id': 1, 'ifindex': 2, 'napi-id': 8314, 'type': 'rx'},
 {'id': 2, 'ifindex': 2, 'napi-id': 8315, 'type': 'rx'},
 {'id': 3, 'ifindex': 2, 'napi-id': 8316, 'type': 'rx'},
 {'id': 4, 'ifindex': 2, 'napi-id': 8317, 'type': 'rx'},
[...]
 {'id': 0, 'ifindex': 2, 'napi-id': 8297, 'type': 'tx'},
 {'id': 1, 'ifindex': 2, 'napi-id': 8298, 'type': 'tx'},
 {'id': 2, 'ifindex': 2, 'napi-id': 8299, 'type': 'tx'},
 {'id': 3, 'ifindex': 2, 'napi-id': 8300, 'type': 'tx'},
 {'id': 4, 'ifindex': 2, 'napi-id': 8301, 'type': 'tx'},
[...]

Signed-off-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Link: https://patch.msgid.link/20240930210731.1629-3-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Joe Damato 2024-09-30 21:07:08 +00:00 committed by Jakub Kicinski
parent 3017238b60
commit 021f9e671e
1 changed files with 17 additions and 0 deletions
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17
drivers/net/ethernet/google/gve/gve_main.c
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@ -1875,6 +1875,11 @@ static void gve_turndown(struct gve_priv *priv)
if (!gve_tx_was_added_to_block(priv, idx))
continue;
if (idx < priv->tx_cfg.num_queues)
netif_queue_set_napi(priv->dev, idx,
NETDEV_QUEUE_TYPE_TX, NULL);
napi_disable(&block->napi);
}
for (idx = 0; idx < priv->rx_cfg.num_queues; idx++) {
@ -1883,6 +1888,9 @@ static void gve_turndown(struct gve_priv *priv)
if (!gve_rx_was_added_to_block(priv, idx))
continue;
netif_queue_set_napi(priv->dev, idx, NETDEV_QUEUE_TYPE_RX,
NULL);
napi_disable(&block->napi);
}
@ -1909,6 +1917,12 @@ static void gve_turnup(struct gve_priv *priv)
continue;
napi_enable(&block->napi);
if (idx < priv->tx_cfg.num_queues)
netif_queue_set_napi(priv->dev, idx,
NETDEV_QUEUE_TYPE_TX,
&block->napi);
if (gve_is_gqi(priv)) {
iowrite32be(0, gve_irq_doorbell(priv, block));
} else {
@ -1931,6 +1945,9 @@ static void gve_turnup(struct gve_priv *priv)
continue;
napi_enable(&block->napi);
netif_queue_set_napi(priv->dev, idx, NETDEV_QUEUE_TYPE_RX,
&block->napi);
if (gve_is_gqi(priv)) {
iowrite32be(0, gve_irq_doorbell(priv, block));
} else {