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| author | Rafał Miłecki <rafal@milecki.pl> | 2022-10-27 22:33:14 +0200 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2022-11-03 09:40:06 +0100 |
| commit | 1d12cfdce28101ca60fc7afed1e4cf0812814992 (patch) | |
| tree | d8c2d9275de192ccc0503845f6ed7d264daa774d /target | |
| parent | 973c18fb8c1d3e7db42bb4aa51b17e23b92bb0e6 (diff) | |
| download | upstream-1d12cfdce28101ca60fc7afed1e4cf0812814992.tar.gz upstream-1d12cfdce28101ca60fc7afed1e4cf0812814992.tar.bz2 upstream-1d12cfdce28101ca60fc7afed1e4cf0812814992.zip | |
bcm4908: backport upstream BQL support for bcm4908_enet
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit ae57770c956888337249688b9a16c25dd4fd63fb)
(cherry picked from commit 6198eb3e6448e9a43a32d3f46b7d0543424f455b)
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/079-v6.2-0002-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.4/079-v6.2-0002-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch b/target/linux/bcm4908/patches-5.4/079-v6.2-0002-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch new file mode 100644 index 0000000000..9f85a77b76 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/079-v6.2-0002-net-broadcom-bcm4908_enet-report-queued-and-transmit.patch @@ -0,0 +1,45 @@ +From 471ef777ec79baadc5cd9773d08f95f49cf5e2b1 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Mon, 31 Oct 2022 11:48:56 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: report queued and transmitted + bytes +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This allows BQL to operate avoiding buffer bloat and reducing latency. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Link: https://lore.kernel.org/r/20221031104856.32388-1-zajec5@gmail.com +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -504,6 +504,7 @@ static int bcm4908_enet_stop(struct net_ + netif_carrier_off(netdev); + napi_disable(&rx_ring->napi); + napi_disable(&tx_ring->napi); ++ netdev_reset_queue(netdev); + + bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring); + bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring); +@@ -563,6 +564,8 @@ static int bcm4908_enet_start_xmit(struc + if (ring->write_idx + 1 == ring->length - 1) + tmp |= DMA_CTL_STATUS_WRAP; + ++ netdev_sent_queue(enet->netdev, skb->len); ++ + buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr); + buf_desc->ctl = cpu_to_le32(tmp); + +@@ -670,6 +673,7 @@ static int bcm4908_enet_poll_tx(struct n + tx_ring->read_idx = 0; + } + ++ netdev_completed_queue(enet->netdev, handled, bytes); + enet->netdev->stats.tx_packets += handled; + enet->netdev->stats.tx_bytes += bytes; + |