diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0296-staging-fsl_ppfe-eth-support-for-userspace-networkin.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0296-staging-fsl_ppfe-eth-support-for-userspace-networkin.patch | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0296-staging-fsl_ppfe-eth-support-for-userspace-networkin.patch b/target/linux/layerscape/patches-5.4/701-net-0296-staging-fsl_ppfe-eth-support-for-userspace-networkin.patch deleted file mode 100644 index b3f3fe91b3..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0296-staging-fsl_ppfe-eth-support-for-userspace-networkin.patch +++ /dev/null @@ -1,155 +0,0 @@ -From 25d189ea016270d1d7ab67eafc57bc8989b5381c Mon Sep 17 00:00:00 2001 -From: Akhil Goyal <akhil.goyal@nxp.com> -Date: Fri, 13 Apr 2018 15:41:28 +0530 -Subject: [PATCH] staging: fsl_ppfe/eth: support for userspace networking - -This patch adds the userspace mode support to fsl_ppfe network driver. -In the new mode, basic hardware initialization is performed in kernel, while -the datapath and HIF handling is the responsibility of the userspace. - -The new command line parameter is added to initialize the ppfe module -in userspace mode. By default the module remains in kernelspace networking -mode. -To enable userspace mode, use "insmod pfe.ko us=1" - -Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com> -Signed-off-by: Gagandeep Singh <g.singh@nxp.com> ---- - drivers/staging/fsl_ppfe/pfe_eth.c | 21 +++++++++++++++++++-- - drivers/staging/fsl_ppfe/pfe_mod.c | 15 +++++++++++++++ - drivers/staging/fsl_ppfe/pfe_mod.h | 2 ++ - 3 files changed, 36 insertions(+), 2 deletions(-) - ---- a/drivers/staging/fsl_ppfe/pfe_eth.c -+++ b/drivers/staging/fsl_ppfe/pfe_eth.c -@@ -2296,6 +2296,8 @@ static int pfe_eth_init_one(struct pfe * - goto err0; - } - -+ if (us) -+ emac_txq_cnt = EMAC_TXQ_CNT; - /* Create an ethernet device instance */ - ndev = alloc_etherdev_mq(sizeof(*priv), emac_txq_cnt); - -@@ -2342,6 +2344,9 @@ static int pfe_eth_init_one(struct pfe * - } - } - -+ if (us) -+ goto phy_init; -+ - ndev->mtu = 1500; - - /* Set MTU limits */ -@@ -2381,6 +2386,8 @@ static int pfe_eth_init_one(struct pfe * - netdev_err(ndev, "register_netdev() failed\n"); - goto err3; - } -+ -+phy_init: - device_init_wakeup(&ndev->dev, WAKE_MAGIC); - - if (!(priv->einfo->phy_flags & GEMAC_NO_PHY)) { -@@ -2392,6 +2399,12 @@ static int pfe_eth_init_one(struct pfe * - } - } - -+ if (us) { -+ if (priv->phydev) -+ phy_start(priv->phydev); -+ return 0; -+ } -+ - netif_carrier_on(ndev); - - /* Create all the sysfs files */ -@@ -2403,6 +2416,8 @@ static int pfe_eth_init_one(struct pfe * - - return 0; - err4: -+ if (us) -+ goto err3; - unregister_netdev(ndev); - err3: - pfe_eth_mdio_exit(priv->mii_bus); -@@ -2449,9 +2464,11 @@ static void pfe_eth_exit_one(struct pfe_ - { - netif_info(priv, probe, priv->ndev, "%s\n", __func__); - -- pfe_eth_sysfs_exit(priv->ndev); -+ if (!us) { -+ pfe_eth_sysfs_exit(priv->ndev); - -- unregister_netdev(priv->ndev); -+ unregister_netdev(priv->ndev); -+ } - - if (!(priv->einfo->phy_flags & GEMAC_NO_PHY)) - pfe_phy_exit(priv->ndev); ---- a/drivers/staging/fsl_ppfe/pfe_mod.c -+++ b/drivers/staging/fsl_ppfe/pfe_mod.c -@@ -19,6 +19,10 @@ - #include <linux/dma-mapping.h> - #include "pfe_mod.h" - -+unsigned int us; -+module_param(us, uint, 0444); -+MODULE_PARM_DESC(us, "0: module enabled for kernel networking (DEFAULT)\n" -+ "1: module enabled for userspace networking\n"); - struct pfe *pfe; - - /* -@@ -56,6 +60,9 @@ int pfe_probe(struct pfe *pfe) - if (rc < 0) - goto err_hw; - -+ if (us) -+ goto firmware_init; -+ - rc = pfe_hif_lib_init(pfe); - if (rc < 0) - goto err_hif_lib; -@@ -64,6 +71,7 @@ int pfe_probe(struct pfe *pfe) - if (rc < 0) - goto err_hif; - -+firmware_init: - rc = pfe_firmware_init(pfe); - if (rc < 0) - goto err_firmware; -@@ -99,6 +107,9 @@ err_ctrl: - pfe_firmware_exit(pfe); - - err_firmware: -+ if (us) -+ goto err_hif_lib; -+ - pfe_hif_exit(pfe); - - err_hif: -@@ -131,10 +142,14 @@ int pfe_remove(struct pfe *pfe) - #endif - pfe_firmware_exit(pfe); - -+ if (us) -+ goto hw_exit; -+ - pfe_hif_exit(pfe); - - pfe_hif_lib_exit(pfe); - -+hw_exit: - pfe_hw_exit(pfe); - - return 0; ---- a/drivers/staging/fsl_ppfe/pfe_mod.h -+++ b/drivers/staging/fsl_ppfe/pfe_mod.h -@@ -22,6 +22,8 @@ - #include <linux/device.h> - #include <linux/elf.h> - -+extern unsigned int us; -+ - struct pfe; - - #include "pfe_hw.h" |