{
u8 subtype = *ptr >> 4;
int expected_opsize;
+ u16 subopt;
u8 version;
u8 flags;
u8 i;
expected_opsize = TCPOLEN_MPTCP_MPC_ACK_DATA;
else
expected_opsize = TCPOLEN_MPTCP_MPC_ACK;
+ subopt = OPTION_MPTCP_MPC_ACK;
} else {
- if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_ACK)
+ if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_ACK) {
expected_opsize = TCPOLEN_MPTCP_MPC_SYNACK;
- else
+ subopt = OPTION_MPTCP_MPC_SYNACK;
+ } else {
expected_opsize = TCPOLEN_MPTCP_MPC_SYN;
+ subopt = OPTION_MPTCP_MPC_SYN;
+ }
}
/* Cfr RFC 8684 Section 3.3.0:
mp_opt->deny_join_id0 = !!(flags & MPTCP_CAP_DENY_JOIN_ID0);
- mp_opt->suboptions |= OPTIONS_MPTCP_MPC;
+ mp_opt->suboptions |= subopt;
if (opsize >= TCPOLEN_MPTCP_MPC_SYNACK) {
mp_opt->sndr_key = get_unaligned_be64(ptr);
ptr += 8;