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-rw-r--r--include/linux/tcp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 2761856..eb125a4 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -493,6 +493,9 @@ struct tcp_sock {
u32 probe_seq_start;
u32 probe_seq_end;
} mtu_probe;
+ u32 mtu_info; /* We received an ICMP_FRAG_NEEDED / ICMPV6_PKT_TOOBIG
+ * while socket was owned by user.
+ */
#ifdef CONFIG_TCP_MD5SIG
/* TCP AF-Specific parts; only used by MD5 Signature support so far */
@@ -518,6 +521,9 @@ enum tsq_flags {
TCP_TSQ_DEFERRED, /* tcp_tasklet_func() found socket was owned */
TCP_WRITE_TIMER_DEFERRED, /* tcp_write_timer() found socket was owned */
TCP_DELACK_TIMER_DEFERRED, /* tcp_delack_timer() found socket was owned */
+ TCP_MTU_REDUCED_DEFERRED, /* tcp_v{4|6}_err() could not call
+ * tcp_v{4|6}_mtu_reduced()
+ */
};
static inline struct tcp_sock *tcp_sk(const struct sock *sk)
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