diff options
| author | Julian Anastasov <ja@ssi.bg> | 2026-02-24 21:50:44 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-25 19:36:26 -0800 |
| commit | c59bd9e62e060bb5cd4d697b73bbe6f23a723345 (patch) | |
| tree | 0b7ccdc91725887cf3ce8e201b74e9beaea156fe /include | |
| parent | 40fb72209fd83edaf3632dba644b1fcf81143cfc (diff) | |
| download | linux-c59bd9e62e060bb5cd4d697b73bbe6f23a723345.tar.gz linux-c59bd9e62e060bb5cd4d697b73bbe6f23a723345.zip | |
ipvs: use more counters to avoid service lookups
When new connection is created we can lookup for services multiple
times to support fallback options. We already have some counters
to skip specific lookups because it costs CPU cycles for hash
calculation, etc.
Add more counters for fwmark/non-fwmark services (fwm_services and
nonfwm_services) and make all counters per address family.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://patch.msgid.link/20260224205048.4718-6-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/ip_vs.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index b5a5a5efe3cc..f2291be36409 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -271,6 +271,18 @@ static inline const char *ip_vs_dbg_addr(int af, char *buf, size_t buf_len, pr_err(msg, ##__VA_ARGS__); \ } while (0) +/* For arrays per family */ +enum { + IP_VS_AF_INET, + IP_VS_AF_INET6, + IP_VS_AF_MAX +}; + +static inline int ip_vs_af_index(int af) +{ + return af == AF_INET6 ? IP_VS_AF_INET6 : IP_VS_AF_INET; +} + /* The port number of FTP service (in network order). */ #define FTPPORT cpu_to_be16(21) #define FTPDATA cpu_to_be16(20) @@ -940,17 +952,17 @@ struct netns_ipvs { /* ip_vs_ctl */ struct ip_vs_stats_rcu *tot_stats; /* Statistics & est. */ - int num_services; /* no of virtual services */ - int num_services6; /* IPv6 virtual services */ - /* Trash for destinations */ struct list_head dest_trash; spinlock_t dest_trash_lock; struct timer_list dest_trash_timer; /* expiration timer */ /* Service counters */ - atomic_t ftpsvc_counter; - atomic_t nullsvc_counter; - atomic_t conn_out_counter; + atomic_t num_services[IP_VS_AF_MAX]; /* Services */ + atomic_t fwm_services[IP_VS_AF_MAX]; /* Services */ + atomic_t nonfwm_services[IP_VS_AF_MAX];/* Services */ + atomic_t ftpsvc_counter[IP_VS_AF_MAX]; /* FTPPORT */ + atomic_t nullsvc_counter[IP_VS_AF_MAX];/* Zero port */ + atomic_t conn_out_counter[IP_VS_AF_MAX];/* out conn */ #ifdef CONFIG_SYSCTL /* delayed work for expiring no dest connections */ |