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Allow an MTU of 65535 bytes to be set via TUN[SG]IFINFO. This requires

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changing the type on the mtu field in struct tuninfo from short to
unsigned short.
This is used, for example, by packetdrill to test with MTUs up to the
maximum value.

Differential Revision:	6452
This commit is contained in:
Michael Tuexen 2016-05-24 11:47:14 +00:00
parent 6e8d69ad38
commit b5994a5c26
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=300603
1 changed files with 2 additions and 2 deletions
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4
sys/net/if_tun.h
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@ -25,11 +25,11 @@
#define TUNMTU 1500
/* Maximum receive packet size (hard limit) */
#define TUNMRU 16384
#define TUNMRU 65535
struct tuninfo {
int baudrate; /* linespeed */
short mtu; /* maximum transmission unit */
unsigned short mtu; /* maximum transmission unit */
u_char type; /* ethernet, tokenring, etc. */
u_char dummy; /* place holder */
};