diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-03-02 21:14:28 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-03-05 03:54:09 +0300 |
| commit | 9cde131cdd888873363b5d9dfd8d4d4c1fae6986 (patch) | |
| tree | 1ceb14f3759bd6d8d62ca4fae81cb5374c57a7bf /include | |
| parent | 61753849b8bc6420cc5834fb3de331ce1134060d (diff) | |
| download | linux-9cde131cdd888873363b5d9dfd8d4d4c1fae6986.tar.xz | |
net-sysfs: add rps_sock_flow_table_mask() helper
In preparation of the following patch, abstract access
to the @mask field in 'struct rps_sock_flow_table'.
Also cleanup rps_sock_flow_sysctl() a bit :
- Rename orig_sock_table to o_sock_table.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260302181432.1836150-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/rps.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/net/rps.h b/include/net/rps.h index 32cfa250d9f9..82cdffdf3e6b 100644 --- a/include/net/rps.h +++ b/include/net/rps.h @@ -60,18 +60,23 @@ struct rps_dev_flow_table { * meaning we use 32-6=26 bits for the hash. */ struct rps_sock_flow_table { - u32 mask; + u32 _mask; u32 ents[] ____cacheline_aligned_in_smp; }; #define RPS_SOCK_FLOW_TABLE_SIZE(_num) (offsetof(struct rps_sock_flow_table, ents[_num])) +static inline u32 rps_sock_flow_table_mask(const struct rps_sock_flow_table *table) +{ + return table->_mask; +} + #define RPS_NO_CPU 0xffff static inline void rps_record_sock_flow(struct rps_sock_flow_table *table, u32 hash) { - unsigned int index = hash & table->mask; + unsigned int index = hash & rps_sock_flow_table_mask(table); u32 val = hash & ~net_hotdata.rps_cpu_mask; /* We only give a hint, preemption can change CPU under us */ @@ -129,7 +134,7 @@ static inline void _sock_rps_delete_flow(const struct sock *sk) rcu_read_lock(); table = rcu_dereference(net_hotdata.rps_sock_flow_table); if (table) { - index = hash & table->mask; + index = hash & rps_sock_flow_table_mask(table); if (READ_ONCE(table->ents[index]) != RPS_NO_CPU) WRITE_ONCE(table->ents[index], RPS_NO_CPU); } |