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nfp: wrap napi add/del logic

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There will be more NAPI register logic once AF_XDP support is
added, wrap our already conditional napi add/del into helpers.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-03-04 11:22:11 +01:00 committed by David S. Miller
parent 3cdb35fb9c
commit 58eb436353
1 changed files with 22 additions and 16 deletions
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38
drivers/net/ethernet/netronome/nfp/nfp_net_common.c
View file

@ -2638,6 +2638,25 @@ static void nfp_net_rx_rings_free(struct nfp_net_dp *dp)
kfree(dp->rx_rings);
}
static void
nfp_net_napi_add(struct nfp_net_dp *dp, struct nfp_net_r_vector *r_vec)
{
if (dp->netdev)
netif_napi_add(dp->netdev, &r_vec->napi,
nfp_net_poll, NAPI_POLL_WEIGHT);
else
tasklet_enable(&r_vec->tasklet);
}
static void
nfp_net_napi_del(struct nfp_net_dp *dp, struct nfp_net_r_vector *r_vec)
{
if (dp->netdev)
netif_napi_del(&r_vec->napi);
else
tasklet_disable(&r_vec->tasklet);
}
static void
nfp_net_vector_assign_rings(struct nfp_net_dp *dp,
struct nfp_net_r_vector *r_vec, int idx)
@ -2656,23 +2675,14 @@ nfp_net_prepare_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec,
{
int err;
/* Setup NAPI */
if (nn->dp.netdev)
netif_napi_add(nn->dp.netdev, &r_vec->napi,
nfp_net_poll, NAPI_POLL_WEIGHT);
else
tasklet_enable(&r_vec->tasklet);
nfp_net_napi_add(&nn->dp, r_vec);
snprintf(r_vec->name, sizeof(r_vec->name),
"%s-rxtx-%d", nfp_net_name(nn), idx);
err = request_irq(r_vec->irq_vector, r_vec->handler, 0, r_vec->name,
r_vec);
if (err) {
if (nn->dp.netdev)
netif_napi_del(&r_vec->napi);
else
tasklet_disable(&r_vec->tasklet);
nfp_net_napi_del(&nn->dp, r_vec);
nn_err(nn, "Error requesting IRQ %d\n", r_vec->irq_vector);
return err;
}
@ -2690,11 +2700,7 @@ static void
nfp_net_cleanup_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec)
{
irq_set_affinity_hint(r_vec->irq_vector, NULL);
if (nn->dp.netdev)
netif_napi_del(&r_vec->napi);
else
tasklet_disable(&r_vec->tasklet);
nfp_net_napi_del(&nn->dp, r_vec);
free_irq(r_vec->irq_vector, r_vec);
}