layerscape: add patches-5.4

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 701-net-0301-staging-fsl_ppfe-eth-define-pfe-ndo_change_mtu-funct.patch

diff --git a/target/linux/layerscape/patches-5.4/701-net-0301-staging-fsl_ppfe-eth-define-pfe-ndo_change_mtu-funct.patch b/target/linux/layerscape/patches-5.4/701-net-0301-staging-fsl_ppfe-eth-define-pfe-ndo_change_mtu-funct.patch
new file mode 100644 (file)
index 0000000..f35ea67
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0301-staging-fsl_ppfe-eth-define-pfe-ndo_change_mtu-funct.patch
@@ -0,0 +1,73 @@
+From d9c44cf1a757823fb069dea0c15a830513175bf3 Mon Sep 17 00:00:00 2001
+From: Calvin Johnson <calvin.johnson@nxp.com>
+Date: Wed, 20 Jun 2018 10:23:01 +0530
+Subject: [PATCH] staging: fsl_ppfe/eth: define pfe ndo_change_mtu function
+
+Define ndo_change_mtu function for pfe. This sets the max Rx frame
+length to the new mtu.
+
+Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
+---
+ drivers/staging/fsl_ppfe/include/pfe/pfe.h |  1 +
+ drivers/staging/fsl_ppfe/pfe_eth.c         | 12 ++++++++++++
+ drivers/staging/fsl_ppfe/pfe_hal.c         | 11 +++++++++++
+ 3 files changed, 24 insertions(+)
+
+--- a/drivers/staging/fsl_ppfe/include/pfe/pfe.h
++++ b/drivers/staging/fsl_ppfe/include/pfe/pfe.h
+@@ -303,6 +303,7 @@ void gemac_allow_broadcast(void *base);
+ void gemac_no_broadcast(void *base);
+ void gemac_enable_1536_rx(void *base);
+ void gemac_disable_1536_rx(void *base);
++void gemac_set_rx_max_fl(void *base, int mtu);
+ void gemac_enable_rx_jmb(void *base);
+ void gemac_disable_rx_jmb(void *base);
+ void gemac_enable_stacked_vlan(void *base);
+--- a/drivers/staging/fsl_ppfe/pfe_eth.c
++++ b/drivers/staging/fsl_ppfe/pfe_eth.c
+@@ -1345,6 +1345,17 @@ static int pfe_eth_event_handler(void *d
+       return 0;
+ }
+ 
++static int pfe_eth_change_mtu(struct net_device *ndev, int new_mtu)
++{
++      struct pfe_eth_priv_s *priv = netdev_priv(ndev);
++
++      ndev->mtu = new_mtu;
++      new_mtu += ETH_HLEN + ETH_FCS_LEN;
++      gemac_set_rx_max_fl(priv->EMAC_baseaddr, new_mtu);
++
++      return 0;
++}
++
+ /* pfe_eth_open
+  */
+ static int pfe_eth_open(struct net_device *ndev)
+@@ -2246,6 +2257,7 @@ static const struct net_device_ops pfe_n
+       .ndo_set_rx_mode = pfe_eth_set_multi,
+       .ndo_set_mac_address = pfe_eth_set_mac_address,
+       .ndo_validate_addr = eth_validate_addr,
++      .ndo_change_mtu = pfe_eth_change_mtu,
+       .ndo_get_stats = pfe_eth_get_stats,
+       .ndo_set_features = pfe_eth_set_features,
+ };
+--- a/drivers/staging/fsl_ppfe/pfe_hal.c
++++ b/drivers/staging/fsl_ppfe/pfe_hal.c
+@@ -1017,6 +1017,17 @@ void gemac_enable_1536_rx(void *base)
+               | (1536 << 16), base +  EMAC_RCNTRL_REG);
+ }
+ 
++/* GEMAC set rx Max frame length.
++ * @param[in] base    GEMAC base address
++ * @param[in] mtu     new mtu
++ */
++void gemac_set_rx_max_fl(void *base, int mtu)
++{
++      /* Set mtu as Maximum frame length */
++      writel((readl(base + EMAC_RCNTRL_REG) & PFE_RCR_MAX_FL_MASK)
++              | (mtu << 16), base + EMAC_RCNTRL_REG);
++}
++
+ /* GEMAC enable jumbo function.
+  * @param[in] base    GEMAC base address
+  */