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[net-next,01/13] sctp: remove old and unused SCTP_MIN_PMTU

Message ID 3959797f9a87225ae154a9d3f81cae4fd10f01a1.1524772453.git.marcelo.leitner@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series sctp: refactor MTU handling | expand

Commit Message

Marcelo Ricardo Leitner April 26, 2018, 7:58 p.m. UTC 
This value is not used anywhere in the code. In essence it is a
duplicate of SCTP_DEFAULT_MINSEGMENT, which is used by the stack.

SCTP_MIN_PMTU value makes more sense, but we should not change to it now
as it would risk breaking applications.

So this patch removes SCTP_MIN_PMTU and adjust the comment above it.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
---
 include/net/sctp/constants.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 20ff237c5eb2ff358589b30bbd89d636e41b2d92..86f034b524d46178e4d26e868be3a2bf87acac4a 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -254,11 +254,10 @@  enum { SCTP_ARBITRARY_COOKIE_ECHO_LEN = 200 };
 #define SCTP_TSN_MAP_SIZE 4096
 
 /* We will not record more than this many duplicate TSNs between two
- * SACKs.  The minimum PMTU is 576.  Remove all the headers and there
- * is enough room for 131 duplicate reports.  Round down to the
+ * SACKs.  The minimum PMTU is 512.  Remove all the headers and there
+ * is enough room for 117 duplicate reports.  Round down to the
  * nearest power of 2.
  */
-enum { SCTP_MIN_PMTU = 576 };
 enum { SCTP_MAX_DUP_TSNS = 16 };
 enum { SCTP_MAX_GABS = 16 };