Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 40 insertions, 16 deletions

diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 1989cfd7405f..caaff5f5f39f 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -57,7 +57,15 @@ struct ip_options {
         unsigned char   __data[0];
 };
 
-#define optlength(opt) (sizeof(struct ip_options) + opt->optlen)
+struct ip_options_rcu {
+        struct rcu_head rcu;
+        struct ip_options opt;
+};
+
+struct ip_options_data {
+        struct ip_options_rcu   opt;
+        char                    data[40];
+};
 
 struct inet_request_sock {
         struct request_sock     req;
@@ -78,7 +86,7 @@ struct inet_request_sock {
                                 acked      : 1,
                                 no_srccheck: 1;
         kmemcheck_bitfield_end(flags);
-        struct ip_options       *opt;
+        struct ip_options_rcu   *opt;
 };
 
 static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
@@ -86,6 +94,23 @@ static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
         return (struct inet_request_sock *)sk;
 }
 
+struct inet_cork {
+        unsigned int            flags;
+        __be32                  addr;
+        struct ip_options       *opt;
+        unsigned int            fragsize;
+        struct dst_entry        *dst;
+        int                     length; /* Total length of all frames */
+        struct page             *page;
+        u32                     off;
+        u8                      tx_flags;
+};
+
+struct inet_cork_full {
+        struct inet_cork        base;
+        struct flowi            fl;
+};
+
 struct ip_mc_socklist;
 struct ipv6_pinfo;
 struct rtable;
@@ -116,8 +141,9 @@ struct inet_sock {
         struct ipv6_pinfo       *pinet6;
 #endif
         /* Socket demultiplex comparisons on incoming packets. */
-        __be32                  inet_daddr;
-        __be32                  inet_rcv_saddr;
+#define inet_daddr              sk.__sk_common.skc_daddr
+#define inet_rcv_saddr          sk.__sk_common.skc_rcv_saddr
+
         __be16                  inet_dport;
         __u16                   inet_num;
         __be32                  inet_saddr;
@@ -126,7 +152,7 @@ struct inet_sock {
         __be16                  inet_sport;
         __u16                   inet_id;
 
-        struct ip_options       *opt;
+        struct ip_options_rcu __rcu     *inet_opt;
         __u8                    tos;
         __u8                    min_ttl;
         __u8                    mc_ttl;
@@ -141,16 +167,8 @@ struct inet_sock {
                                 nodefrag:1;
         int                     mc_index;
         __be32                  mc_addr;
-        struct ip_mc_socklist   *mc_list;
-        struct {
-                unsigned int            flags;
-                unsigned int            fragsize;
-                struct ip_options       *opt;
-                struct dst_entry        *dst;
-                int                     length; /* Total length of all frames */
-                __be32                  addr;
-                struct flowi            fl;
-        } cork;
+        struct ip_mc_socklist __rcu     *mc_list;
+        struct inet_cork_full   cork;
 };
 
 #define IPCORK_OPT      1       /* ip-options has been held in ipcork.opt */
@@ -218,7 +236,13 @@ static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops
 
 static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
 {
-        return inet_sk(sk)->transparent ? FLOWI_FLAG_ANYSRC : 0;
+        __u8 flags = 0;
+
+        if (inet_sk(sk)->transparent)
+                flags |= FLOWI_FLAG_ANYSRC;
+        if (sk->sk_protocol == IPPROTO_TCP)
+                flags |= FLOWI_FLAG_PRECOW_METRICS;
+        return flags;
 }
 
 #endif  /* _INET_SOCK_H */