Message ID | 78eb7e22-902c-0227-3bbf-d324eb232ade@gmail.com |
---|---|
State | Accepted |
Delegated to: | David Miller |
Headers | show |
Series | net: add functionality to net core byte/packet counters and use it in r8169 | expand |
Context | Check | Description |
---|---|---|
jkicinski/cover_letter | success | Link |
jkicinski/fixes_present | success | Link |
jkicinski/patch_count | success | Link |
jkicinski/tree_selection | success | Clearly marked for net-next |
jkicinski/subject_prefix | success | Link |
jkicinski/source_inline | success | Was 0 now: 0 |
jkicinski/verify_signedoff | success | Link |
jkicinski/module_param | success | Was 0 now: 0 |
jkicinski/build_32bit | fail | Errors and warnings before: 7907 this patch: 7907 |
jkicinski/kdoc | success | Errors and warnings before: 0 this patch: 0 |
jkicinski/verify_fixes | success | Link |
jkicinski/checkpatch | fail | Link |
jkicinski/build_allmodconfig_warn | success | Errors and warnings before: 8400 this patch: 8400 |
jkicinski/header_inline | success | Link |
jkicinski/stable | success | Stable not CCed |
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 568fab708..6e06fef32 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2596,6 +2596,20 @@ static inline void dev_lstats_add(struct net_device *dev, unsigned int len) #define netdev_alloc_pcpu_stats(type) \ __netdev_alloc_pcpu_stats(type, GFP_KERNEL) +#define devm_netdev_alloc_pcpu_stats(dev, type) \ +({ \ + typeof(type) __percpu *pcpu_stats = devm_alloc_percpu(dev, type);\ + if (pcpu_stats) { \ + int __cpu; \ + for_each_possible_cpu(__cpu) { \ + typeof(type) *stat; \ + stat = per_cpu_ptr(pcpu_stats, __cpu); \ + u64_stats_init(&stat->syncp); \ + } \ + } \ + pcpu_stats; \ +}) + enum netdev_lag_tx_type { NETDEV_LAG_TX_TYPE_UNKNOWN, NETDEV_LAG_TX_TYPE_RANDOM,
We have netdev_alloc_pcpu_stats(), and we have devm_alloc_percpu(). Add a managed version of netdev_alloc_pcpu_stats, e.g. for allocating the per-cpu stats in the probe() callback of a driver. It needs to be a macro for dealing properly with the type argument. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- include/linux/netdevice.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+)