diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0301-staging-fsl_ppfe-eth-define-pfe-ndo_change_mtu-funct.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0301-staging-fsl_ppfe-eth-define-pfe-ndo_change_mtu-funct.patch | 73 |
1 files changed, 73 insertions, 0 deletions
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 index 0000000000..f35ea677b6 --- /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 + */ |