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mptcp: use adding up size to get ADD_ADDR length

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This patch uses adding up size to get the ADD_ADDR suboption length rather
than returning the ADD_ADDR size constants.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang 2020-12-09 15:51:21 -08:00 committed by David S. Miller
parent 22fb85ffae
commit 2ec72faec8
1 changed files with 8 additions and 4 deletions
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12
net/mptcp/protocol.h
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@ -577,10 +577,14 @@ static inline bool mptcp_pm_should_rm_signal(struct mptcp_sock *msk)
static inline unsigned int mptcp_add_addr_len(int family, bool echo)
{
if (family == AF_INET)
return echo ? TCPOLEN_MPTCP_ADD_ADDR_BASE
: TCPOLEN_MPTCP_ADD_ADDR;
return echo ? TCPOLEN_MPTCP_ADD_ADDR6_BASE : TCPOLEN_MPTCP_ADD_ADDR6;
u8 len = TCPOLEN_MPTCP_ADD_ADDR_BASE;
if (family == AF_INET6)
len = TCPOLEN_MPTCP_ADD_ADDR6_BASE;
if (!echo)
len += MPTCPOPT_THMAC_LEN;
return len;
}
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, unsigned int remaining,