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Diffstat (limited to 'target/linux/patches/3.10.40/tcp-fastopen.patch')
-rw-r--r--target/linux/patches/3.10.40/tcp-fastopen.patch254
1 files changed, 254 insertions, 0 deletions
diff --git a/target/linux/patches/3.10.40/tcp-fastopen.patch b/target/linux/patches/3.10.40/tcp-fastopen.patch
new file mode 100644
index 000000000..c0bddbc4f
--- /dev/null
+++ b/target/linux/patches/3.10.40/tcp-fastopen.patch
@@ -0,0 +1,254 @@
+https://lkml.org/lkml/2014/5/5/674
+Andi Kleen <ak@linux.intel.com>
+
+diff -Nur linux-3.10.40.orig/include/linux/tcp.h linux-3.10.40/include/linux/tcp.h
+--- linux-3.10.40.orig/include/linux/tcp.h 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/include/linux/tcp.h 2014-05-30 15:41:44.000000000 +0200
+@@ -357,6 +357,9 @@
+ return (struct tcp_timewait_sock *)sk;
+ }
+
++extern void tcp_sock_destruct(struct sock *sk);
++
++#ifdef CONFIG_TCP_FASTOPEN
+ static inline bool tcp_passive_fastopen(const struct sock *sk)
+ {
+ return (sk->sk_state == TCP_SYN_RECV &&
+@@ -368,8 +371,6 @@
+ return foc->len != -1;
+ }
+
+-extern void tcp_sock_destruct(struct sock *sk);
+-
+ static inline int fastopen_init_queue(struct sock *sk, int backlog)
+ {
+ struct request_sock_queue *queue =
+@@ -389,4 +390,13 @@
+ return 0;
+ }
+
++#else
++static inline bool tcp_passive_fastopen(const struct sock *sk)
++{ return false; }
++static inline bool fastopen_cookie_present(struct tcp_fastopen_cookie *foc)
++{ return false; }
++static inline int fastopen_init_queue(struct sock *sk, int backlog)
++{ return 0; }
++#endif
++
+ #endif /* _LINUX_TCP_H */
+diff -Nur linux-3.10.40.orig/include/net/request_sock.h linux-3.10.40/include/net/request_sock.h
+--- linux-3.10.40.orig/include/net/request_sock.h 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/include/net/request_sock.h 2014-05-30 15:41:44.000000000 +0200
+@@ -167,8 +167,14 @@
+
+ extern void __reqsk_queue_destroy(struct request_sock_queue *queue);
+ extern void reqsk_queue_destroy(struct request_sock_queue *queue);
++#ifdef CONFIG_TCP_FASTOPEN
+ extern void reqsk_fastopen_remove(struct sock *sk,
+ struct request_sock *req, bool reset);
++#else
++static inline void reqsk_fastopen_remove(struct sock *sk, struct request_sock *req,
++ bool reset) {}
++#endif
++
+
+ static inline struct request_sock *
+ reqsk_queue_yank_acceptq(struct request_sock_queue *queue)
+diff -Nur linux-3.10.40.orig/include/net/tcp.h linux-3.10.40/include/net/tcp.h
+--- linux-3.10.40.orig/include/net/tcp.h 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/include/net/tcp.h 2014-05-30 15:41:44.000000000 +0200
+@@ -257,7 +257,11 @@
+ extern int sysctl_tcp_retries2;
+ extern int sysctl_tcp_orphan_retries;
+ extern int sysctl_tcp_syncookies;
++#ifdef CONFIG_TCP_FASTOPEN
+ extern int sysctl_tcp_fastopen;
++#else
++#define sysctl_tcp_fastopen 0
++#endif
+ extern int sysctl_tcp_retrans_collapse;
+ extern int sysctl_tcp_stdurg;
+ extern int sysctl_tcp_rfc1337;
+@@ -1311,7 +1315,12 @@
+ size_t size;
+ int copied; /* queued in tcp_connect() */
+ };
++
++#ifdef CONFIG_TCP_FASTOPEN
+ void tcp_free_fastopen_req(struct tcp_sock *tp);
++#else
++static inline void tcp_free_fastopen_req(struct tcp_sock *tp) {}
++#endif
+
+ extern struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
+ int tcp_fastopen_reset_cipher(void *key, unsigned int len);
+diff -Nur linux-3.10.40.orig/net/Kconfig linux-3.10.40/net/Kconfig
+--- linux-3.10.40.orig/net/Kconfig 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/Kconfig 2014-05-30 15:41:44.000000000 +0200
+@@ -52,8 +52,8 @@
+
+ config INET
+ bool "TCP/IP networking"
+- select CRYPTO
+- select CRYPTO_AES
++ select CRYPTO if TCP_FASTOPEN
++ select CRYPTO_AES if TCP_FASTOPEN
+ ---help---
+ These are the protocols used on the Internet and on most local
+ Ethernets. It is highly recommended to say Y here (this will enlarge
+diff -Nur linux-3.10.40.orig/net/core/request_sock.c linux-3.10.40/net/core/request_sock.c
+--- linux-3.10.40.orig/net/core/request_sock.c 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/core/request_sock.c 2014-05-30 15:41:44.000000000 +0200
+@@ -131,6 +131,7 @@
+ kfree(lopt);
+ }
+
++#ifdef CONFIG_TCP_FASTOPEN
+ /*
+ * This function is called to set a Fast Open socket's "fastopen_rsk" field
+ * to NULL when a TFO socket no longer needs to access the request_sock.
+@@ -223,3 +224,4 @@
+ sock_put(lsk);
+ return;
+ }
++#endif
+diff -Nur linux-3.10.40.orig/net/ipv4/Kconfig linux-3.10.40/net/ipv4/Kconfig
+--- linux-3.10.40.orig/net/ipv4/Kconfig 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/ipv4/Kconfig 2014-05-30 15:41:44.000000000 +0200
+@@ -328,6 +328,10 @@
+ the notion of a secure tunnel for IPSEC and then use routing protocol
+ on top.
+
++config TCP_FASTOPEN
++ bool "Enable TCP fastopen"
++ default n
++
+ config INET_AH
+ tristate "IP: AH transformation"
+ select XFRM_ALGO
+diff -Nur linux-3.10.40.orig/net/ipv4/Makefile linux-3.10.40/net/ipv4/Makefile
+--- linux-3.10.40.orig/net/ipv4/Makefile 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/ipv4/Makefile 2014-05-30 16:58:49.000000000 +0200
+@@ -7,7 +7,7 @@
+ ip_output.o ip_sockglue.o inet_hashtables.o \
+ inet_timewait_sock.o inet_connection_sock.o \
+ tcp.o tcp_input.o tcp_output.o tcp_timer.o tcp_ipv4.o \
+- tcp_minisocks.o tcp_cong.o tcp_metrics.o tcp_fastopen.o \
++ tcp_minisocks.o tcp_cong.o tcp_metrics.o \
+ datagram.o raw.o udp.o udplite.o \
+ arp.o icmp.o devinet.o af_inet.o igmp.o \
+ fib_frontend.o fib_semantics.o fib_trie.o \
+@@ -50,6 +50,7 @@
+ obj-$(CONFIG_TCP_CONG_LP) += tcp_lp.o
+ obj-$(CONFIG_TCP_CONG_YEAH) += tcp_yeah.o
+ obj-$(CONFIG_TCP_CONG_ILLINOIS) += tcp_illinois.o
++obj-$(CONFIG_TCP_FASTOPEN) += tcp_fastopen.o
+ obj-$(CONFIG_MEMCG_KMEM) += tcp_memcontrol.o
+ obj-$(CONFIG_NETLABEL) += cipso_ipv4.o
+
+diff -Nur linux-3.10.40.orig/net/ipv4/sysctl_net_ipv4.c linux-3.10.40/net/ipv4/sysctl_net_ipv4.c
+--- linux-3.10.40.orig/net/ipv4/sysctl_net_ipv4.c 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/ipv4/sysctl_net_ipv4.c 2014-05-30 17:00:16.000000000 +0200
+@@ -236,6 +236,7 @@
+ return 0;
+ }
+
++#ifdef CONFIG_TCP_FASTOPEN
+ static int proc_tcp_fastopen_key(ctl_table *ctl, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
+ {
+@@ -276,6 +277,7 @@
+ kfree(tbl.data);
+ return ret;
+ }
++#endif
+
+ static struct ctl_table ipv4_table[] = {
+ {
+@@ -425,6 +427,7 @@
+ .proc_handler = proc_dointvec
+ },
+ #endif
++#ifdef CONFIG_TCP_FASTOPEN
+ {
+ .procname = "tcp_fastopen",
+ .data = &sysctl_tcp_fastopen,
+@@ -438,6 +441,7 @@
+ .maxlen = ((TCP_FASTOPEN_KEY_LENGTH * 2) + 10),
+ .proc_handler = proc_tcp_fastopen_key,
+ },
++#endif
+ {
+ .procname = "tcp_tw_recycle",
+ .data = &tcp_death_row.sysctl_tw_recycle,
+diff -Nur linux-3.10.40.orig/net/ipv4/tcp.c linux-3.10.40/net/ipv4/tcp.c
+--- linux-3.10.40.orig/net/ipv4/tcp.c 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/ipv4/tcp.c 2014-05-30 15:41:44.000000000 +0200
+@@ -993,6 +993,7 @@
+ return tmp;
+ }
+
++#ifdef CONFIG_TCP_FASTOPEN
+ void tcp_free_fastopen_req(struct tcp_sock *tp)
+ {
+ if (tp->fastopen_req != NULL) {
+@@ -1026,6 +1027,7 @@
+ tcp_free_fastopen_req(tp);
+ return err;
+ }
++#endif
+
+ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+ size_t size)
+@@ -1041,6 +1043,7 @@
+ lock_sock(sk);
+
+ flags = msg->msg_flags;
++#ifdef CONFIG_TCP_FASTOPEN
+ if (flags & MSG_FASTOPEN) {
+ err = tcp_sendmsg_fastopen(sk, msg, &copied_syn, size);
+ if (err == -EINPROGRESS && copied_syn > 0)
+@@ -1049,6 +1052,7 @@
+ goto out_err;
+ offset = copied_syn;
+ }
++#endif
+
+ timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT);
+
+diff -Nur linux-3.10.40.orig/net/ipv4/tcp_ipv4.c linux-3.10.40/net/ipv4/tcp_ipv4.c
+--- linux-3.10.40.orig/net/ipv4/tcp_ipv4.c 2014-05-13 14:00:04.000000000 +0200
++++ linux-3.10.40/net/ipv4/tcp_ipv4.c 2014-05-30 15:41:44.000000000 +0200
+@@ -1285,6 +1285,7 @@
+ };
+ #endif
+
++#ifdef CONFIG_TCP_FASTOPEN
+ static bool tcp_fastopen_check(struct sock *sk, struct sk_buff *skb,
+ struct request_sock *req,
+ struct tcp_fastopen_cookie *foc,
+@@ -1461,6 +1462,23 @@
+ WARN_ON(req->sk == NULL);
+ return 0;
+ }
++#else
++static bool tcp_fastopen_check(struct sock *sk, struct sk_buff *skb,
++ struct request_sock *req,
++ struct tcp_fastopen_cookie *foc,
++ struct tcp_fastopen_cookie *valid_foc)
++{
++ return false;
++}
++
++static int tcp_v4_conn_req_fastopen(struct sock *sk,
++ struct sk_buff *skb,
++ struct sk_buff *skb_synack,
++ struct request_sock *req)
++{
++ return 0;
++}
++#endif
+
+ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
+ {