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-rw-r--r--include/net/sock.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 6767d75..7789b59 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -273,6 +273,7 @@ struct cg_proto;
* @sk_rcvtimeo: %SO_RCVTIMEO setting
* @sk_sndtimeo: %SO_SNDTIMEO setting
* @sk_rxhash: flow hash received from netif layer
+ * @sk_incoming_cpu: record cpu processing incoming packets
* @sk_txhash: computed flow hash for use on transmit
* @sk_filter: socket filtering instructions
* @sk_protinfo: private area, net family specific, when not using slab
@@ -350,6 +351,12 @@ struct sock {
#ifdef CONFIG_RPS
__u32 sk_rxhash;
#endif
+ u16 sk_incoming_cpu;
+ /* 16bit hole
+ * Warned : sk_incoming_cpu can be set from softirq,
+ * Do not use this hole without fully understanding possible issues.
+ */
+
__u32 sk_txhash;
#ifdef CONFIG_NET_RX_BUSY_POLL
unsigned int sk_napi_id;
@@ -833,6 +840,11 @@ static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
return sk->sk_backlog_rcv(sk, skb);
}
+static inline void sk_incoming_cpu_update(struct sock *sk)
+{
+ sk->sk_incoming_cpu = raw_smp_processor_id();
+}
+
static inline void sock_rps_record_flow_hash(__u32 hash)
{
#ifdef CONFIG_RPS
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