diff options
Diffstat (limited to 'net/core/dev.c')
-rw-r--r-- | net/core/dev.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 9ca2d3abfd1a..b430f851f377 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -131,7 +131,6 @@ #include <trace/events/napi.h> #include <trace/events/net.h> #include <trace/events/skb.h> -#include <linux/pci.h> #include <linux/inetdevice.h> #include <linux/cpu_rmap.h> #include <linux/static_key.h> @@ -146,6 +145,7 @@ #include <net/udp_tunnel.h> #include <linux/net_namespace.h> #include <linux/indirect_call_wrapper.h> +#include <net/devlink.h> #include "net-sysfs.h" @@ -3565,9 +3565,6 @@ static void skb_update_prio(struct sk_buff *skb) #define skb_update_prio(skb) #endif -DEFINE_PER_CPU(int, xmit_recursion); -EXPORT_SYMBOL(xmit_recursion); - /** * dev_loopback_xmit - loop back @skb * @net: network namespace this loopback is happening in @@ -3856,8 +3853,7 @@ static int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) int cpu = smp_processor_id(); /* ok because BHs are off */ if (txq->xmit_lock_owner != cpu) { - if (unlikely(__this_cpu_read(xmit_recursion) > - XMIT_RECURSION_LIMIT)) + if (dev_xmit_recursion()) goto recursion_alert; skb = validate_xmit_skb(skb, dev, &again); @@ -3867,9 +3863,9 @@ static int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) HARD_TX_LOCK(dev, txq, cpu); if (!netif_xmit_stopped(txq)) { - __this_cpu_inc(xmit_recursion); + dev_xmit_recursion_inc(); skb = dev_hard_start_xmit(skb, dev, txq, &rc); - __this_cpu_dec(xmit_recursion); + dev_xmit_recursion_dec(); if (dev_xmit_complete(rc)) { HARD_TX_UNLOCK(dev, txq); goto out; @@ -5021,8 +5017,10 @@ static inline void __netif_receive_skb_list_ptype(struct list_head *head, if (pt_prev->list_func != NULL) pt_prev->list_func(head, pt_prev, orig_dev); else - list_for_each_entry_safe(skb, next, head, list) + list_for_each_entry_safe(skb, next, head, list) { + skb_list_del_init(skb); pt_prev->func(skb, skb->dev, pt_prev, orig_dev); + } } static void __netif_receive_skb_list_core(struct list_head *head, bool pfmemalloc) @@ -7877,10 +7875,14 @@ int dev_get_phys_port_name(struct net_device *dev, char *name, size_t len) { const struct net_device_ops *ops = dev->netdev_ops; + int err; - if (!ops->ndo_get_phys_port_name) - return -EOPNOTSUPP; - return ops->ndo_get_phys_port_name(dev, name, len); + if (ops->ndo_get_phys_port_name) { + err = ops->ndo_get_phys_port_name(dev, name, len); + if (err != -EOPNOTSUPP) + return err; + } + return devlink_compat_phys_port_name_get(dev, name, len); } EXPORT_SYMBOL(dev_get_phys_port_name); @@ -7900,14 +7902,21 @@ int dev_get_port_parent_id(struct net_device *dev, struct netdev_phys_item_id first = { }; struct net_device *lower_dev; struct list_head *iter; - int err = -EOPNOTSUPP; + int err; - if (ops->ndo_get_port_parent_id) - return ops->ndo_get_port_parent_id(dev, ppid); + if (ops->ndo_get_port_parent_id) { + err = ops->ndo_get_port_parent_id(dev, ppid); + if (err != -EOPNOTSUPP) + return err; + } - if (!recurse) + err = devlink_compat_switch_id_get(dev, ppid); + if (!err || err != -EOPNOTSUPP) return err; + if (!recurse) + return -EOPNOTSUPP; + netdev_for_each_lower_dev(dev, lower_dev, iter) { err = dev_get_port_parent_id(lower_dev, ppid, recurse); if (err) |