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net: Record receive queue number for a connection

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This patch adds a new field to sock_common 'skc_rx_queue_mapping'
which holds the receive queue number for the connection. The Rx queue
is marked in tcp_finish_connect() to allow a client app to do
SO_INCOMING_NAPI_ID after a connect() call to get the right queue
association for a socket. Rx queue is also marked in tcp_conn_request()
to allow syn-ack to go on the right tx-queue associated with
the queue on which syn is received.

Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amritha Nambiar 2018-06-29 21:26:57 -07:00 • committed by David S. Miller
parent 755c31cd85
commit c6345ce7d3
4 changed files with 34 additions and 0 deletions
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1
include/net/busy_poll.h
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@ -151,6 +151,7 @@ static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb)
#ifdef CONFIG_NET_RX_BUSY_POLL
sk->sk_napi_id = skb->napi_id;
#endif
sk_rx_queue_set(sk, skb);
}
/* variant used for unconnected sockets */