net/sctp/sm_statefuns.c

211  * Verification Tag: 8.5.1(C), sctpimpguide 2.41.
215  *   if the Verification Tag field of the packet matches its own tag and
304  *    Verification Tag field to Tag_A, and also provide its own
305  *    Verification Tag (Tag_Z) in the Initiate Tag field.
307  * Verification Tag: Must be 0.
358 	/* 3.1 A packet containing an INIT chunk MUST have a zero Verification  in sctp_sf_do_5_1B_init()
504  * Verification Tag: 3.3.3
683  * Verification Tag: 8.5.1 Exceptions in Verification Tag Rules
728 	 * chunk header.  More detailed verification is done  in sctp_sf_do_5_1D_ce()
911  * Verification Tag:
1148  * Verification Tag:  8.5 Verification Tag [Normal verification]
1150  * value in the Verification Tag field of the received SCTP packet
1151  * matches its own Tag. If the received Verification Tag value does not
1228  * Verification Tag:  8.5 Verification Tag [Normal verification]
1423 /* Populate the verification/tie tags based on overlapping INIT
1542 	/* 3.1 A packet containing an INIT chunk MUST have a zero Verification  in sctp_sf_do_unexpected_init()
1609 	 * Verification Tag and Peers Verification tag into a reserved  in sctp_sf_do_unexpected_init()
1704  * sent in its original INIT chunk (including its Verification Tag,
1719  * Verification Tag: Not explicit, but an INIT can not have a valid
1720  * verification tag, so we skip the check.
1754  * current Verification Tag and peer's Verification Tag into a reserved
1757  * containing this INIT ACK MUST carry a Verification Tag value equal to
1774  * Verification Tag: Not specified, but an INIT has no way of knowing
1775  * what the verification tag could be, so we ignore it.
2187  * Verification Tag: None.  Do cookie validation.
2214 	 * enough for the chunk header.  Cookie length verification is  in sctp_sf_do_5_2_4_dupcook()
2231 	/* In RFC 2960 5.2.4 3, if both Verification Tags in the State Cookie  in sctp_sf_do_5_2_4_dupcook()
2232 	 * of a duplicate COOKIE ECHO match the Verification Tags of the  in sctp_sf_do_5_2_4_dupcook()
2266 	/* Compare the tie_tag in cookie with the verification tag of  in sctp_sf_do_5_2_4_dupcook()
2517  * Verification Tag:  Not explicit, but safe to ignore.
2623  * After checking the Verification Tag, the receiving endpoint shall
2627  * Verification Tag: 8.5.1 Exceptions in Verification Tag Rules
2630  *  - The endpoint shall always fill in the Verification Tag field of the
2637  *  - The receiver MUST accept the packet if the Verification Tag
2842  * Verification Tag:  8.5 Verification Tag [Normal verification]
3070  * Verification Tag: 8.5 Verification Tag [Normal verification]
3126  * Verification Tag: 8.5 Verification Tag [Normal verification]
3181  * Verification Tag:  8.5 Verification Tag [Normal verification]
3246 	 * the verification tag test.  in sctp_sf_eat_data_6_2()
3302  * Verification Tag:  8.5 Verification Tag [Normal verification]
3393  * Verification Tag:  8.5 Verification Tag [Normal verification]
3468  *    MUST fill in the Verification Tag field of the outbound packet
3469  *    with the value found in the Verification Tag field of the OOTB
3471  *    Verification Tag is reflected.  After sending this ABORT, the
3475  * Verification Tag:
3676  *    packet must fill in the Verification Tag field of the outbound
3677  *    packet with the Verification Tag received in the SHUTDOWN ACK and
3678  *    set the T-bit in the Chunk Flags to indicate that the Verification
3683  *    MUST fill in the Verification Tag field of the outbound packet
3684  *    with the value found in the Verification Tag field of the OOTB
3686  *    Verification Tag is reflected.  After sending this ABORT, the
3772  *    packet must fill in the Verification Tag field of the outbound
3773  *    packet with the Verification Tag received in the SHUTDOWN ACK and
3774  *    set the T-bit in the Chunk Flags to indicate that the Verification
3834  * Verification Tag:  8.5.1 E) Rules for packet carrying a SHUTDOWN ACK
3838  *   [This means that we do NOT check the Verification Tag on these
4199  * Verification Tag:  8.5 Verification Tag [Normal verification]
4353  * Verification Tag:  8.5 Verification Tag [Normal verification]
4368 	/* Pull in the auth header, so we can do some more verification */  in sctp_sf_authenticate()
4599  * Verification Tag: No verification needed.
4641  * Verification Tag: No verification necessary
4668  * Verification Tag: Not specified
4809  * Verification Tag:  Nothing to do
4994 	 * must provide its Verification Tag (Tag_A) in the Initiate  in sctp_sf_do_prm_asoc()
5251  * Verification Tag:
5286  * Verification Tag:
5314  * Verification Tag:
5363  * Verification Tag:
5893  * Verification Tag:
5958  * Verification Tag: