Commit 41712204 authored by Ruslan Mstoi's avatar Ruslan Mstoi Committed by Jukka Rissanen
Browse files

net: tcp2: Fix option name PAD to END 



According to RFC 793 and IANA "TCP Option Kind Numbers" an option with
kind 0 is an End of Option List option and not a PAD.

Signed-off-by: default avatarRuslan Mstoi <ruslan.mstoi@intel.com>
parent a3fae2f1

subsys/net/ip/tcp2.c

+2 −2
Original line number Diff line number Diff line
@@ -382,12 +382,12 @@ static bool tcp_options_check(void *buf, ssize_t len) 


	for ( ; len >= 2; options += opt_len, len -= opt_len) {

		opt = options[0];

		opt_len = (opt == TCPOPT_PAD || opt == TCPOPT_NOP) ?

		opt_len = (opt == TCPOPT_END || opt == TCPOPT_NOP) ?

			1 : options[1];



		NET_DBG("opt: %hu, opt_len: %hu", (u16_t)opt, (u16_t)opt_len);



		if (opt == TCPOPT_PAD || opt == TCPOPT_NOP) {

		if (opt == TCPOPT_END || opt == TCPOPT_NOP) {

			continue;

		}

subsys/net/ip/tcp2_priv.h

+1 −1
Original line number Diff line number Diff line
@@ -80,7 +80,7 @@ static struct net_pkt *tcp_pkt_alloc(size_t len) 
	(_conn)->state = _s;						\

})



#define TCPOPT_PAD	0

#define TCPOPT_END	0

#define TCPOPT_NOP	1

#define TCPOPT_MAXSEG	2

#define TCPOPT_WINDOW	3

CRA Git | Maintained and supported by SUSTech CRA and CCSE