diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/busy_poll.h | 7 | ||||
| -rw-r--r-- | include/net/sock.h | 2 |
2 files changed, 7 insertions, 2 deletions
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 0292b8353d7e..2f8f51807b83 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -23,6 +23,8 @@ */ #define MIN_NAPI_ID ((unsigned int)(NR_CPUS + 1)) +#define BUSY_POLL_BUDGET 8 + #ifdef CONFIG_NET_RX_BUSY_POLL struct napi_struct; @@ -43,7 +45,7 @@ bool sk_busy_loop_end(void *p, unsigned long start_time); void napi_busy_loop(unsigned int napi_id, bool (*loop_end)(void *, unsigned long), - void *loop_end_arg, bool prefer_busy_poll); + void *loop_end_arg, bool prefer_busy_poll, u16 budget); #else /* CONFIG_NET_RX_BUSY_POLL */ static inline unsigned long net_busy_loop_on(void) @@ -106,7 +108,8 @@ static inline void sk_busy_loop(struct sock *sk, int nonblock) if (napi_id >= MIN_NAPI_ID) napi_busy_loop(napi_id, nonblock ? NULL : sk_busy_loop_end, sk, - READ_ONCE(sk->sk_prefer_busy_poll)); + READ_ONCE(sk->sk_prefer_busy_poll), + READ_ONCE(sk->sk_busy_poll_budget) ?: BUSY_POLL_BUDGET); #endif } diff --git a/include/net/sock.h b/include/net/sock.h index d49b89b071b6..77ba2c2737db 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -302,6 +302,7 @@ struct bpf_local_storage; * @sk_max_ack_backlog: listen backlog set in listen() * @sk_uid: user id of owner * @sk_prefer_busy_poll: prefer busypolling over softirq processing + * @sk_busy_poll_budget: napi processing budget when busypolling * @sk_priority: %SO_PRIORITY setting * @sk_type: socket type (%SOCK_STREAM, etc) * @sk_protocol: which protocol this socket belongs in this network family @@ -482,6 +483,7 @@ struct sock { kuid_t sk_uid; #ifdef CONFIG_NET_RX_BUSY_POLL u8 sk_prefer_busy_poll; + u16 sk_busy_poll_budget; #endif struct pid *sk_peer_pid; const struct cred *sk_peer_cred; |