kernel: delete Linux 5.4 config and patches

[openwrt/staging/chunkeey.git] / target / linux / layerscape / patches-5.4 / 701-net-0292-staging-fsl_ppfe-eth-Avoid-packet-drop-at-TMU-queues.patch

diff --git a/target/linux/layerscape/patches-5.4/701-net-0292-staging-fsl_ppfe-eth-Avoid-packet-drop-at-TMU-queues.patch b/target/linux/layerscape/patches-5.4/701-net-0292-staging-fsl_ppfe-eth-Avoid-packet-drop-at-TMU-queues.patch
deleted file mode 100644 (file)
index eeea374..0000000
--- a/target/linux/layerscape/patches-5.4/701-net-0292-staging-fsl_ppfe-eth-Avoid-packet-drop-at-TMU-queues.patch
+++ /dev/null
@@ -1,87 +0,0 @@
-From 8b99b4595d2b5f4d0b2252b16de83572e03b337a Mon Sep 17 00:00:00 2001
-From: Kavi Akhila-B46177 <akhila.kavi@nxp.com>
-Date: Thu, 2 Nov 2017 12:05:35 +0530
-Subject: [PATCH] staging: fsl_ppfe/eth: Avoid packet drop at TMU queues
-
-Added flow control between TMU queues and PFE Linux driver,
-based on TMU credits availability.
-Added tx_qos module parameter to control this behavior.
-Use queue-0 as default queue to transmit packets.
-
-Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
-Signed-off-by: Akhila Kavi <akhila.kavi@nxp.com>
-Signed-off-by: Anjaneyulu Jagarlmudi <anji.jagarlmudi@nxp.com>
----
- drivers/staging/fsl_ppfe/pfe_eth.c     | 17 +++++++++++++----
- drivers/staging/fsl_ppfe/pfe_hif_lib.c |  7 +++++--
- 2 files changed, 18 insertions(+), 6 deletions(-)
-
---- a/drivers/staging/fsl_ppfe/pfe_eth.c
-+++ b/drivers/staging/fsl_ppfe/pfe_eth.c
-@@ -293,10 +293,10 @@ static int pfe_eth_sysfs_init(struct net
-       /* Initialize the default values */
- 
-       /*
--       * By default, packets without conntrack will use this default high
-+       * By default, packets without conntrack will use this default low
-        * priority queue
-        */
--      priv->default_priority = 15;
-+      priv->default_priority = 0;
- 
-       /* Create our sysfs files */
-       err = device_create_file(&ndev->dev, &dev_attr_default_priority);
-@@ -1566,10 +1566,17 @@ static int pfe_eth_might_stop_tx(struct
-                                unsigned int n_segs)
- {
-       ktime_t kt;
-+      int tried = 0;
- 
-+try_again:
-       if (unlikely((__hif_tx_avail(&pfe->hif) < n_desc) ||
--                   (hif_lib_tx_avail(&priv->client, queuenum) < n_desc) ||
-+      (hif_lib_tx_avail(&priv->client, queuenum) < n_desc) ||
-       (hif_lib_tx_credit_avail(pfe, priv->id, queuenum) < n_segs))) {
-+              if (!tried) {
-+                      __hif_lib_update_credit(&priv->client, queuenum);
-+                      tried = 1;
-+                      goto try_again;
-+              }
- #ifdef PFE_ETH_TX_STATS
-               if (__hif_tx_avail(&pfe->hif) < n_desc) {
-                       priv->stop_queue_hif[queuenum]++;
-@@ -1692,8 +1699,10 @@ static void pfe_eth_flush_tx(struct pfe_
- 
-       netif_info(priv, tx_done, priv->ndev, "%s\n", __func__);
- 
--      for (ii = 0; ii < emac_txq_cnt; ii++)
-+      for (ii = 0; ii < emac_txq_cnt; ii++) {
-               pfe_eth_flush_txQ(priv, ii, 0, 0);
-+              __hif_lib_update_credit(&priv->client, ii);
-+      }
- }
- 
- void pfe_tx_get_req_desc(struct sk_buff *skb, unsigned int *n_desc, unsigned int
---- a/drivers/staging/fsl_ppfe/pfe_hif_lib.c
-+++ b/drivers/staging/fsl_ppfe/pfe_hif_lib.c
-@@ -34,7 +34,10 @@
- 
- unsigned int lro_mode;
- unsigned int page_mode;
--unsigned int tx_qos;
-+unsigned int tx_qos = 1;
-+module_param(tx_qos, uint, 0444);
-+MODULE_PARM_DESC(tx_qos, "0: disable ,\n"
-+                       "1: enable (default), guarantee no packet drop at TMU level\n");
- unsigned int pfe_pkt_size;
- unsigned int pfe_pkt_headroom;
- unsigned int emac_txq_cnt;
-@@ -576,7 +579,7 @@ void __hif_lib_update_credit(struct hif_
- 
-       if (tx_qos) {
-               tmu_tx_packets = be32_to_cpu(pe_dmem_read(TMU0_ID +
--                      client->id, TMU_DM_TX_TRANS, 4));
-+                      client->id, (TMU_DM_TX_TRANS + (queue * 4)), 4));
- 
-               /* tx_packets counter overflowed */
-               if (tmu_tx_packets >