diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0088-sdk_dpaa-remove-FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0088-sdk_dpaa-remove-FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0088-sdk_dpaa-remove-FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE.patch b/target/linux/layerscape/patches-5.4/701-net-0088-sdk_dpaa-remove-FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE.patch new file mode 100644 index 0000000000..dbbe46d5a9 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0088-sdk_dpaa-remove-FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE.patch @@ -0,0 +1,127 @@ +From 357ab2939dbddfb6849c55be9de577db078d9037 Mon Sep 17 00:00:00 2001 +From: Madalin Bucur <madalin.bucur@nxp.com> +Date: Fri, 12 Oct 2018 16:56:57 +0300 +Subject: [PATCH] sdk_dpaa: remove FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE + +Remove FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE and record the +receive CPU in skb queue mapping to maintain the same CPU +for tx in forwarding scenarios. + +Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> +--- + drivers/net/ethernet/freescale/sdk_dpaa/Kconfig | 13 +------------ + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c | 2 +- + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h | 12 ++---------- + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c | 3 +-- + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h | 2 +- + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 2 ++ + 6 files changed, 8 insertions(+), 26 deletions(-) + +--- a/drivers/net/ethernet/freescale/sdk_dpaa/Kconfig ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/Kconfig +@@ -96,17 +96,6 @@ config FSL_DPAA_1588 + help + Enable IEEE1588 support code. + +-config FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE +- bool "Use driver's Tx queue selection mechanism" +- default y +- depends on FSL_SDK_DPAA_ETH +- help +- The DPAA-Ethernet driver defines a ndo_select_queue() callback for optimal selection +- of the egress FQ. That will override the XPS support for this netdevice. +- If for whatever reason you want to be in control of the egress FQ-to-CPU selection and mapping, +- or simply don't want to use the driver's ndo_select_queue() callback, then unselect this +- and use the standard XPS support instead. +- + config FSL_DPAA_ETH_MAX_BUF_COUNT + int "Maximum nuber of buffers in private bpool" + depends on FSL_SDK_DPAA_ETH +@@ -178,7 +167,7 @@ config FSL_DPAA_ETH_DEBUG + + config FSL_DPAA_DBG_LOOP + bool "DPAA Ethernet Debug loopback" +- depends on FSL_DPAA_ETH_DEBUGFS && FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE ++ depends on FSL_DPAA_ETH_DEBUGFS + default n + help + This option allows to divert all received traffic on a certain interface A towards a +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c +@@ -678,7 +678,7 @@ static const struct net_device_ops dpa_p + .ndo_get_stats64 = dpa_get_stats64, + .ndo_set_mac_address = dpa_set_mac_address, + .ndo_validate_addr = eth_validate_addr, +-#ifdef CONFIG_FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE ++#ifdef CONFIG_FMAN_PFC + .ndo_select_queue = dpa_select_queue, + #endif + .ndo_set_rx_mode = dpa_set_rx_mode, +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h +@@ -635,23 +635,15 @@ static inline void _dpa_assign_wq(struct + } + } + +-#ifdef CONFIG_FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE +-/* Use in lieu of skb_get_queue_mapping() */ + #ifdef CONFIG_FMAN_PFC ++/* Use in lieu of skb_get_queue_mapping() */ + #define dpa_get_queue_mapping(skb) \ + (((skb)->priority < CONFIG_FMAN_PFC_COS_COUNT) ? \ + ((skb)->priority * dpa_num_cpus + smp_processor_id()) : \ + ((CONFIG_FMAN_PFC_COS_COUNT - 1) * \ + dpa_num_cpus + smp_processor_id())); +- + #else +-#define dpa_get_queue_mapping(skb) \ +- raw_smp_processor_id() +-#endif +-#else +-/* Use the queue selected by XPS */ +-#define dpa_get_queue_mapping(skb) \ +- skb_get_queue_mapping(skb) ++#define dpa_get_queue_mapping(skb) skb_get_queue_mapping(skb) + #endif + + #ifdef CONFIG_PTP_1588_CLOCK_DPAA +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c +@@ -841,14 +841,13 @@ bool dpa_bpid2pool_use(int bpid) + return false; + } + +-#ifdef CONFIG_FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE ++#ifdef CONFIG_FMAN_PFC + u16 dpa_select_queue(struct net_device *net_dev, struct sk_buff *skb, + struct net_device *sb_dev, + select_queue_fallback_t fallback) + { + return dpa_get_queue_mapping(skb); + } +-EXPORT_SYMBOL(dpa_select_queue); + #endif + + struct dpa_fq *dpa_fq_alloc(struct device *dev, +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h +@@ -172,7 +172,7 @@ struct dpa_bp *dpa_bpid2pool(int bpid); + void dpa_bpid2pool_map(int bpid, struct dpa_bp *dpa_bp); + bool dpa_bpid2pool_use(int bpid); + void dpa_bp_drain(struct dpa_bp *bp); +-#ifdef CONFIG_FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE ++#ifdef CONFIG_FMAN_PFC + u16 dpa_select_queue(struct net_device *net_dev, struct sk_buff *skb, + struct net_device *sb_dev, + select_queue_fallback_t fallback); +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c +@@ -648,6 +648,8 @@ void __hot _dpa_rx(struct net_device *ne + } + #endif + ++ skb_record_rx_queue(skb, raw_smp_processor_id()); ++ + if (use_gro) { + gro_result_t gro_result; + const struct qman_portal_config *pc = |