mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
8aa9f6bd71
This adds the patch submitted to upstream that adds BQL to the mvneta driver: https://patchwork.kernel.org/patch/9328413/. Helps latency under load when the physical link is saturated. Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
84 lines
2.2 KiB
Diff
84 lines
2.2 KiB
Diff
--- a/drivers/net/ethernet/marvell/mvneta.c
|
|
+++ b/drivers/net/ethernet/marvell/mvneta.c
|
|
@@ -1695,8 +1695,10 @@ static struct mvneta_tx_queue *mvneta_tx
|
|
|
|
/* Free tx queue skbuffs */
|
|
static void mvneta_txq_bufs_free(struct mvneta_port *pp,
|
|
- struct mvneta_tx_queue *txq, int num)
|
|
+ struct mvneta_tx_queue *txq, int num,
|
|
+ struct netdev_queue *nq)
|
|
{
|
|
+ unsigned int bytes_compl = 0, pkts_compl = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < num; i++) {
|
|
@@ -1704,6 +1706,11 @@ static void mvneta_txq_bufs_free(struct
|
|
txq->txq_get_index;
|
|
struct sk_buff *skb = txq->tx_skb[txq->txq_get_index];
|
|
|
|
+ if (skb) {
|
|
+ bytes_compl += skb->len;
|
|
+ pkts_compl++;
|
|
+ }
|
|
+
|
|
mvneta_txq_inc_get(txq);
|
|
|
|
if (!IS_TSO_HEADER(txq, tx_desc->buf_phys_addr))
|
|
@@ -1714,6 +1721,8 @@ static void mvneta_txq_bufs_free(struct
|
|
continue;
|
|
dev_kfree_skb_any(skb);
|
|
}
|
|
+
|
|
+ netdev_tx_completed_queue(nq, pkts_compl, bytes_compl);
|
|
}
|
|
|
|
/* Handle end of transmission */
|
|
@@ -1727,7 +1736,7 @@ static void mvneta_txq_done(struct mvnet
|
|
if (!tx_done)
|
|
return;
|
|
|
|
- mvneta_txq_bufs_free(pp, txq, tx_done);
|
|
+ mvneta_txq_bufs_free(pp, txq, tx_done, nq);
|
|
|
|
txq->count -= tx_done;
|
|
|
|
@@ -2334,6 +2343,8 @@ out:
|
|
struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats);
|
|
struct netdev_queue *nq = netdev_get_tx_queue(dev, txq_id);
|
|
|
|
+ netdev_tx_sent_queue(nq, len);
|
|
+
|
|
txq->count += frags;
|
|
mvneta_txq_pend_desc_add(pp, txq, frags);
|
|
|
|
@@ -2358,9 +2369,10 @@ static void mvneta_txq_done_force(struct
|
|
struct mvneta_tx_queue *txq)
|
|
|
|
{
|
|
+ struct netdev_queue *nq = netdev_get_tx_queue(pp->dev, txq->id);
|
|
int tx_done = txq->count;
|
|
|
|
- mvneta_txq_bufs_free(pp, txq, tx_done);
|
|
+ mvneta_txq_bufs_free(pp, txq, tx_done, nq);
|
|
|
|
/* reset txq */
|
|
txq->count = 0;
|
|
@@ -2841,6 +2853,8 @@ static int mvneta_txq_init(struct mvneta
|
|
static void mvneta_txq_deinit(struct mvneta_port *pp,
|
|
struct mvneta_tx_queue *txq)
|
|
{
|
|
+ struct netdev_queue *nq = netdev_get_tx_queue(pp->dev, txq->id);
|
|
+
|
|
kfree(txq->tx_skb);
|
|
|
|
if (txq->tso_hdrs)
|
|
@@ -2852,6 +2866,8 @@ static void mvneta_txq_deinit(struct mvn
|
|
txq->size * MVNETA_DESC_ALIGNED_SIZE,
|
|
txq->descs, txq->descs_phys);
|
|
|
|
+ netdev_tx_reset_queue(nq);
|
|
+
|
|
txq->descs = NULL;
|
|
txq->last_desc = 0;
|
|
txq->next_desc_to_proc = 0;
|