d4546c2509
Manage pending per-NAPI GRO packets via list_head. Return an SKB pointer from the GRO receive handlers. When GRO receive handlers return non-NULL, it means that this SKB needs to be completed at this time and removed from the NAPI queue. Several operations are greatly simplified by this transformation, especially timing out the oldest SKB in the list when gro_count exceeds MAX_GRO_SKBS, and napi_gro_flush() which walks the queue in reverse order. Signed-off-by: David S. Miller <davem@davemloft.net>
58 lines
2 KiB
C
58 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _INET_COMMON_H
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#define _INET_COMMON_H
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extern const struct proto_ops inet_stream_ops;
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extern const struct proto_ops inet_dgram_ops;
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/*
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* INET4 prototypes used by INET6
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*/
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struct msghdr;
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struct sock;
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struct sockaddr;
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struct socket;
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int inet_release(struct socket *sock);
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int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
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int addr_len, int flags);
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int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
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int addr_len, int flags, int is_sendmsg);
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int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
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int addr_len, int flags);
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int inet_accept(struct socket *sock, struct socket *newsock, int flags,
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bool kern);
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int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
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ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
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size_t size, int flags);
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int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
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int flags);
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int inet_shutdown(struct socket *sock, int how);
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int inet_listen(struct socket *sock, int backlog);
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void inet_sock_destruct(struct sock *sk);
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int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
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int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
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bool force_bind_address_no_port, bool with_lock);
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int inet_getname(struct socket *sock, struct sockaddr *uaddr,
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int peer);
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int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
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int inet_ctl_sock_create(struct sock **sk, unsigned short family,
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unsigned short type, unsigned char protocol,
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struct net *net);
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int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
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int *addr_len);
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struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb);
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int inet_gro_complete(struct sk_buff *skb, int nhoff);
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struct sk_buff *inet_gso_segment(struct sk_buff *skb,
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netdev_features_t features);
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static inline void inet_ctl_sock_destroy(struct sock *sk)
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{
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if (sk)
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sock_release(sk->sk_socket);
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}
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#endif
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