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Each GO Negotiation Request is (re)tried with an unique dialog token and a GO Negotiation Response / Confirmation from the peer with a mismatched dialog token is ignored which could result in a failure in this group formation attempt. Thus, the P2P device would continue retrying the GO Negotiation Request frames till the GO Negotiation Response frame with a matching dialog token is received. To avoid the failures due to the dialog token mismatch in retry cases if the peer is too slow to reply within the timeout, the same dialog token value is used for every retry in the same group formation handshake. It should be noted that this can result in different contents of the GO Negotiation Request frame being sent with the same dialog token value since the tie breaker bit in GO Intent is still toggled for each attempt. The specification is not very clear on what would be the correct behavior here. Tie breaker bit is not updated on "retransmissions", but that is more likely referring to the layer 2 retransmission and not the retry at higher layer using a new MMPDU. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com> |
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.. | ||
Makefile | ||
p2p.c | ||
p2p.h | ||
p2p_build.c | ||
p2p_dev_disc.c | ||
p2p_go_neg.c | ||
p2p_group.c | ||
p2p_i.h | ||
p2p_invitation.c | ||
p2p_parse.c | ||
p2p_pd.c | ||
p2p_sd.c | ||
p2p_utils.c |