diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0199-dpaa2-eth-Add-DCB-ops.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0199-dpaa2-eth-Add-DCB-ops.patch | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0199-dpaa2-eth-Add-DCB-ops.patch b/target/linux/layerscape/patches-5.4/701-net-0199-dpaa2-eth-Add-DCB-ops.patch deleted file mode 100644 index 965212ed54..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0199-dpaa2-eth-Add-DCB-ops.patch +++ /dev/null @@ -1,154 +0,0 @@ -From a893019278e8030fbe251cdaa9d93b8257d1c083 Mon Sep 17 00:00:00 2001 -From: Ioana Radulescu <ruxandra.radulescu@nxp.com> -Date: Thu, 5 Sep 2019 19:31:32 +0300 -Subject: [PATCH] dpaa2-eth: Add DCB ops - -Add a skeleton implementation of DCB PFC ops. Actual hardware -configuration to be added in further commits. - -Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> ---- - drivers/net/ethernet/freescale/dpaa2/Kconfig | 9 +++ - drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 84 ++++++++++++++++++++++++ - drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 5 ++ - 3 files changed, 98 insertions(+) - ---- a/drivers/net/ethernet/freescale/dpaa2/Kconfig -+++ b/drivers/net/ethernet/freescale/dpaa2/Kconfig -@@ -8,6 +8,15 @@ config FSL_DPAA2_ETH - The driver manages network objects discovered on the Freescale - MC bus. - -+if FSL_DPAA2_ETH -+config FSL_DPAA2_ETH_DCB -+ bool "Data Center Bridging (DCB) Support" -+ default n -+ depends on DCB -+ help -+ Enable Priority-Based Flow Control (PFC) support in the driver -+endif -+ - config FSL_DPAA2_PTP_CLOCK - tristate "Freescale DPAA2 PTP Clock" - depends on FSL_DPAA2_ETH && PTP_1588_CLOCK_QORIQ ---- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c -+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c -@@ -3614,6 +3614,81 @@ static void del_ch_napi(struct dpaa2_eth - } - } - -+#ifdef CONFIG_FSL_DPAA2_ETH_DCB -+static int dpaa2_eth_dcbnl_ieee_getpfc(struct net_device *net_dev, -+ struct ieee_pfc *pfc) -+{ -+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev); -+ -+ memcpy(pfc, &priv->pfc, sizeof(priv->pfc)); -+ pfc->pfc_cap = dpaa2_eth_tc_count(priv); -+ -+ return 0; -+} -+ -+static int dpaa2_eth_dcbnl_ieee_setpfc(struct net_device *net_dev, -+ struct ieee_pfc *pfc) -+{ -+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev); -+ -+ if (pfc->mbc || pfc->delay) -+ return -EOPNOTSUPP; -+ -+ /* If same PFC enabled mask, nothing to do */ -+ if (priv->pfc.pfc_en == pfc->pfc_en) -+ return 0; -+ -+ memcpy(&priv->pfc, pfc, sizeof(priv->pfc)); -+ -+ return 0; -+} -+ -+static u8 dpaa2_eth_dcbnl_getdcbx(struct net_device *net_dev) -+{ -+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev); -+ -+ return priv->dcbx_mode; -+} -+ -+static u8 dpaa2_eth_dcbnl_setdcbx(struct net_device *net_dev, u8 mode) -+{ -+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev); -+ -+ priv->dcbx_mode = mode; -+ return 0; -+} -+ -+static u8 dpaa2_eth_dcbnl_getcap(struct net_device *net_dev, int capid, u8 *cap) -+{ -+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev); -+ -+ switch (capid) { -+ case DCB_CAP_ATTR_PFC: -+ *cap = true; -+ break; -+ case DCB_CAP_ATTR_PFC_TCS: -+ *cap = 1 << (dpaa2_eth_tc_count(priv) - 1); -+ break; -+ case DCB_CAP_ATTR_DCBX: -+ *cap = priv->dcbx_mode; -+ break; -+ default: -+ *cap = false; -+ break; -+ } -+ -+ return 0; -+} -+ -+const struct dcbnl_rtnl_ops dpaa2_eth_dcbnl_ops = { -+ .ieee_getpfc = dpaa2_eth_dcbnl_ieee_getpfc, -+ .ieee_setpfc = dpaa2_eth_dcbnl_ieee_setpfc, -+ .getdcbx = dpaa2_eth_dcbnl_getdcbx, -+ .setdcbx = dpaa2_eth_dcbnl_setdcbx, -+ .getcap = dpaa2_eth_dcbnl_getcap, -+}; -+#endif -+ - static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev) - { - struct device *dev; -@@ -3703,6 +3778,15 @@ static int dpaa2_eth_probe(struct fsl_mc - if (err) - goto err_alloc_rings; - -+#ifdef CONFIG_FSL_DPAA2_ETH_DCB -+ if (dpaa2_eth_has_pause_support(priv) && priv->vlan_cls_enabled) { -+ priv->dcbx_mode = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_IEEE; -+ net_dev->dcbnl_ops = &dpaa2_eth_dcbnl_ops; -+ } else { -+ dev_dbg(dev, "PFC not supported\n"); -+ } -+#endif -+ - err = setup_irqs(dpni_dev); - if (err) { - netdev_warn(net_dev, "Failed to set link interrupt, fall back to polling\n"); ---- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h -+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h -@@ -6,6 +6,7 @@ - #ifndef __DPAA2_ETH_H - #define __DPAA2_ETH_H - -+#include <linux/dcbnl.h> - #include <linux/netdevice.h> - #include <linux/if_vlan.h> - #include <linux/fsl/mc.h> -@@ -423,6 +424,10 @@ struct dpaa2_eth_priv { - struct dpaa2_eth_cls_rule *cls_rules; - u8 rx_cls_enabled; - u8 vlan_cls_enabled; -+#ifdef CONFIG_FSL_DPAA2_ETH_DCB -+ u8 dcbx_mode; -+ struct ieee_pfc pfc; -+#endif - struct bpf_prog *xdp_prog; - #ifdef CONFIG_DEBUG_FS - struct dpaa2_debugfs dbg; |