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| author | Eric Dumazet <edumazet@google.com> | 2024-03-29 15:42:19 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-04-01 11:28:31 +0100 |
| commit | 2fe50a4d7225cf10748775e290361896637091a9 (patch) | |
| tree | d4201533842f031e86e46f280ad4b43d8a214610 /net | |
| parent | b9495b564d91a0afe4125db64d2bc25c310bda9c (diff) | |
net: move dev_xmit_recursion() helpers to net/core/dev.h
Move dev_xmit_recursion() and friends to net/core/dev.h
They are only used from net/core/dev.c and net/core/filter.c.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/core/dev.h b/net/core/dev.h index 9d0f8b4587f8..8572d2c8dc4a 100644 --- a/net/core/dev.h +++ b/net/core/dev.h @@ -150,4 +150,21 @@ static inline void xdp_do_check_flushed(struct napi_struct *napi) { } struct napi_struct *napi_by_id(unsigned int napi_id); void kick_defer_list_purge(struct softnet_data *sd, unsigned int cpu); +#define XMIT_RECURSION_LIMIT 8 +static inline bool dev_xmit_recursion(void) +{ + return unlikely(__this_cpu_read(softnet_data.xmit.recursion) > + XMIT_RECURSION_LIMIT); +} + +static inline void dev_xmit_recursion_inc(void) +{ + __this_cpu_inc(softnet_data.xmit.recursion); +} + +static inline void dev_xmit_recursion_dec(void) +{ + __this_cpu_dec(softnet_data.xmit.recursion); +} + #endif |