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eth: fbnic: split fbnic_flush()

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Factor out handling a single nv from fbnic_flush() to make
it reusable for queue ops.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250901211214.1027927-8-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jakub Kicinski 2025-09-01 14:12:07 -07:00 committed by Paolo Abeni
parent cbfc047429
commit be2be74af8
1 changed files with 45 additions and 42 deletions
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87
drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
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@ -2297,52 +2297,55 @@ int fbnic_wait_all_queues_idle(struct fbnic_dev *fbd, bool may_fail)
return err;
}
static void fbnic_nv_flush(struct fbnic_napi_vector *nv)
{
int j, t;
/* Flush any processed Tx Queue Triads and drop the rest */
for (t = 0; t < nv->txt_count; t++) {
struct fbnic_q_triad *qt = &nv->qt[t];
struct netdev_queue *tx_queue;
/* Clean the work queues of unprocessed work */
fbnic_clean_twq0(nv, 0, &qt->sub0, true, qt->sub0.tail);
fbnic_clean_twq1(nv, false, &qt->sub1, true,
qt->sub1.tail);
/* Reset completion queue descriptor ring */
memset(qt->cmpl.desc, 0, qt->cmpl.size);
/* Nothing else to do if Tx queue is disabled */
if (qt->sub0.flags & FBNIC_RING_F_DISABLED)
continue;
/* Reset BQL associated with Tx queue */
tx_queue = netdev_get_tx_queue(nv->napi.dev,
qt->sub0.q_idx);
netdev_tx_reset_queue(tx_queue);
}
/* Flush any processed Rx Queue Triads and drop the rest */
for (j = 0; j < nv->rxt_count; j++, t++) {
struct fbnic_q_triad *qt = &nv->qt[t];
/* Clean the work queues of unprocessed work */
fbnic_clean_bdq(&qt->sub0, qt->sub0.tail, 0);
fbnic_clean_bdq(&qt->sub1, qt->sub1.tail, 0);
/* Reset completion queue descriptor ring */
memset(qt->cmpl.desc, 0, qt->cmpl.size);
fbnic_put_pkt_buff(qt, qt->cmpl.pkt, 0);
memset(qt->cmpl.pkt, 0, sizeof(struct fbnic_pkt_buff));
}
}
void fbnic_flush(struct fbnic_net *fbn)
{
int i;
for (i = 0; i < fbn->num_napi; i++) {
struct fbnic_napi_vector *nv = fbn->napi[i];
int j, t;
/* Flush any processed Tx Queue Triads and drop the rest */
for (t = 0; t < nv->txt_count; t++) {
struct fbnic_q_triad *qt = &nv->qt[t];
struct netdev_queue *tx_queue;
/* Clean the work queues of unprocessed work */
fbnic_clean_twq0(nv, 0, &qt->sub0, true, qt->sub0.tail);
fbnic_clean_twq1(nv, false, &qt->sub1, true,
qt->sub1.tail);
/* Reset completion queue descriptor ring */
memset(qt->cmpl.desc, 0, qt->cmpl.size);
/* Nothing else to do if Tx queue is disabled */
if (qt->sub0.flags & FBNIC_RING_F_DISABLED)
continue;
/* Reset BQL associated with Tx queue */
tx_queue = netdev_get_tx_queue(nv->napi.dev,
qt->sub0.q_idx);
netdev_tx_reset_queue(tx_queue);
}
/* Flush any processed Rx Queue Triads and drop the rest */
for (j = 0; j < nv->rxt_count; j++, t++) {
struct fbnic_q_triad *qt = &nv->qt[t];
/* Clean the work queues of unprocessed work */
fbnic_clean_bdq(&qt->sub0, qt->sub0.tail, 0);
fbnic_clean_bdq(&qt->sub1, qt->sub1.tail, 0);
/* Reset completion queue descriptor ring */
memset(qt->cmpl.desc, 0, qt->cmpl.size);
fbnic_put_pkt_buff(qt, qt->cmpl.pkt, 0);
memset(qt->cmpl.pkt, 0, sizeof(struct fbnic_pkt_buff));
}
}
for (i = 0; i < fbn->num_napi; i++)
fbnic_nv_flush(fbn->napi[i]);
}
void fbnic_fill(struct fbnic_net *fbn)