Re: [RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
Em 11-08-2015 01:34, lucien xin escreveu: On Mon, Jul 27, 2015 at 9:44 PM, Marcelo Ricardo Leitner marcelo.leit...@gmail.com wrote: On Sat, Jul 25, 2015 at 01:08:08PM +0800, Xin Long wrote: RFC 5061: This is an opaque integer assigned by the sender to identify each request parameter. The receiver of the ASCONF Chunk will copy this 32-bit value into the ASCONF Response Correlation ID field of the ASCONF-ACK response parameter. The sender of the ASCONF can use this same value in the ASCONF-ACK to find which request the response is for. Note that the receiver MUST NOT change this 32-bit value. Address Parameter: TLV This field contains an IPv4 or IPv6 address parameter, as described in Section 3.3.2.1 of [RFC4960]. ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address) should be sent if the Delete IP Address is not part of the association. Endpoint A Endpoint B (ESTABLISHED)(ESTABLISHED) ASCONF- (Delete IP Address) - ASCONF-ACK (Unresolvable Address) Signed-off-by: Xin Long lucien@gmail.com --- net/sctp/sm_make_chunk.c | 15 +-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 06320c8..6e399f6 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3090,8 +3090,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, sctp_assoc_set_primary(asoc, asconf-transport); sctp_assoc_del_nonprimary_peers(asoc, asconf-transport); - } else - sctp_assoc_del_peer(asoc, addr); + return SCTP_ERROR_NO_ERROR; + } + + /* If the address is not part of the association, the + * ASCONF-ACK with Error Cause Indication Parameter + * which including cause of Unresolvable Address should + * be sent. + */ + peer = sctp_assoc_lookup_paddr(asoc, addr); + if (!peer) + return SCTP_ERROR_DNS_FAILED; + + sctp_assoc_rm_peer(asoc, peer); break; case SCTP_PARAM_SET_PRIMARY: /* ADDIP Section 4.2.4 -- 2.1.0 Looks good to me. Marcelo any update for this one? is it accepted? You posted it as RFC only. Now we are waiting for its official version. Marcelo -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
On Mon, Jul 27, 2015 at 9:44 PM, Marcelo Ricardo Leitner marcelo.leit...@gmail.com wrote: On Sat, Jul 25, 2015 at 01:08:08PM +0800, Xin Long wrote: RFC 5061: This is an opaque integer assigned by the sender to identify each request parameter. The receiver of the ASCONF Chunk will copy this 32-bit value into the ASCONF Response Correlation ID field of the ASCONF-ACK response parameter. The sender of the ASCONF can use this same value in the ASCONF-ACK to find which request the response is for. Note that the receiver MUST NOT change this 32-bit value. Address Parameter: TLV This field contains an IPv4 or IPv6 address parameter, as described in Section 3.3.2.1 of [RFC4960]. ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address) should be sent if the Delete IP Address is not part of the association. Endpoint A Endpoint B (ESTABLISHED)(ESTABLISHED) ASCONF- (Delete IP Address) - ASCONF-ACK (Unresolvable Address) Signed-off-by: Xin Long lucien@gmail.com --- net/sctp/sm_make_chunk.c | 15 +-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 06320c8..6e399f6 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3090,8 +3090,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, sctp_assoc_set_primary(asoc, asconf-transport); sctp_assoc_del_nonprimary_peers(asoc, asconf-transport); - } else - sctp_assoc_del_peer(asoc, addr); + return SCTP_ERROR_NO_ERROR; + } + + /* If the address is not part of the association, the + * ASCONF-ACK with Error Cause Indication Parameter + * which including cause of Unresolvable Address should + * be sent. + */ + peer = sctp_assoc_lookup_paddr(asoc, addr); + if (!peer) + return SCTP_ERROR_DNS_FAILED; + + sctp_assoc_rm_peer(asoc, peer); break; case SCTP_PARAM_SET_PRIMARY: /* ADDIP Section 4.2.4 -- 2.1.0 Looks good to me. Marcelo any update for this one? is it accepted? -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
On Sat, Jul 25, 2015 at 01:08:08PM +0800, Xin Long wrote: RFC 5061: This is an opaque integer assigned by the sender to identify each request parameter. The receiver of the ASCONF Chunk will copy this 32-bit value into the ASCONF Response Correlation ID field of the ASCONF-ACK response parameter. The sender of the ASCONF can use this same value in the ASCONF-ACK to find which request the response is for. Note that the receiver MUST NOT change this 32-bit value. Address Parameter: TLV This field contains an IPv4 or IPv6 address parameter, as described in Section 3.3.2.1 of [RFC4960]. ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address) should be sent if the Delete IP Address is not part of the association. Endpoint A Endpoint B (ESTABLISHED)(ESTABLISHED) ASCONF- (Delete IP Address) - ASCONF-ACK (Unresolvable Address) Signed-off-by: Xin Long lucien@gmail.com --- net/sctp/sm_make_chunk.c | 15 +-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 06320c8..6e399f6 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3090,8 +3090,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, sctp_assoc_set_primary(asoc, asconf-transport); sctp_assoc_del_nonprimary_peers(asoc, asconf-transport); - } else - sctp_assoc_del_peer(asoc, addr); + return SCTP_ERROR_NO_ERROR; + } + + /* If the address is not part of the association, the + * ASCONF-ACK with Error Cause Indication Parameter + * which including cause of Unresolvable Address should + * be sent. + */ + peer = sctp_assoc_lookup_paddr(asoc, addr); + if (!peer) + return SCTP_ERROR_DNS_FAILED; + + sctp_assoc_rm_peer(asoc, peer); break; case SCTP_PARAM_SET_PRIMARY: /* ADDIP Section 4.2.4 -- 2.1.0 Looks good to me. Marcelo -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
[RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
RFC 5061:
This is an opaque integer assigned by the sender to identify each
request parameter. The receiver of the ASCONF Chunk will copy this
32-bit value into the ASCONF Response Correlation ID field of the
ASCONF-ACK response parameter. The sender of the ASCONF can use this
same value in the ASCONF-ACK to find which request the response is
for. Note that the receiver MUST NOT change this 32-bit value.
Address Parameter: TLV
This field contains an IPv4 or IPv6 address parameter, as described
in Section 3.3.2.1 of [RFC4960].
ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address)
should be sent if the Delete IP Address is not part of the association.
Endpoint A Endpoint B
(ESTABLISHED)(ESTABLISHED)
ASCONF-
(Delete IP Address)
- ASCONF-ACK
(Unresolvable Address)
Signed-off-by: Xin Long lucien@gmail.com
---
net/sctp/sm_make_chunk.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 06320c8..88d82ef 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3090,8 +3090,18 @@ static __be16 sctp_process_asconf_param(struct
sctp_association *asoc,
sctp_assoc_set_primary(asoc, asconf-transport);
sctp_assoc_del_nonprimary_peers(asoc,
asconf-transport);
- } else
+ } else {
+ /* If the address is not part of the association, the
+* ASCONF-ACK with Error Cause Indication Parameter
+* which including cause of Unresolvable Address should
+* be sent.
+*/
+ peer = sctp_assoc_lookup_paddr(asoc, addr);
+ if (!peer)
+ return SCTP_ERROR_DNS_FAILED;
+
sctp_assoc_del_peer(asoc, addr);
+ }
break;
case SCTP_PARAM_SET_PRIMARY:
/* ADDIP Section 4.2.4
--
2.1.0
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Re: [RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
On Fri, Jul 24, 2015 at 02:56:29PM +0800, Xin Long wrote:
RFC 5061:
This is an opaque integer assigned by the sender to identify each
request parameter. The receiver of the ASCONF Chunk will copy this
32-bit value into the ASCONF Response Correlation ID field of the
ASCONF-ACK response parameter. The sender of the ASCONF can use this
same value in the ASCONF-ACK to find which request the response is
for. Note that the receiver MUST NOT change this 32-bit value.
Address Parameter: TLV
This field contains an IPv4 or IPv6 address parameter, as described
in Section 3.3.2.1 of [RFC4960].
ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address)
should be sent if the Delete IP Address is not part of the association.
Endpoint A Endpoint B
(ESTABLISHED)(ESTABLISHED)
ASCONF-
(Delete IP Address)
- ASCONF-ACK
(Unresolvable Address)
Signed-off-by: Xin Long lucien@gmail.com
---
net/sctp/sm_make_chunk.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 06320c8..88d82ef 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3090,8 +3090,18 @@ static __be16 sctp_process_asconf_param(struct
sctp_association *asoc,
Please let's avoid increasing the indentation level when possible
sctp_assoc_set_primary(asoc, asconf-transport);
sctp_assoc_del_nonprimary_peers(asoc,
asconf-transport);
add a return here
- } else
+ } else {
and remove this else {}
and we're good.
sctp code is often too indented, trying to reduce that bit here and
there.
+ /* If the address is not part of the association, the
+ * ASCONF-ACK with Error Cause Indication Parameter
+ * which including cause of Unresolvable Address should
+ * be sent.
+ */
+ peer = sctp_assoc_lookup_paddr(asoc, addr);
+ if (!peer)
+ return SCTP_ERROR_DNS_FAILED;
+
sctp_assoc_del_peer(asoc, addr);
Here we can replace this call to sctp_assoc_rm_peer() , because if we
already have peer, we don't have to search for it again.
Thanks,
Marcelo
+ }
break;
case SCTP_PARAM_SET_PRIMARY:
/* ADDIP Section 4.2.4
--
2.1.0
--
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Re: [RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
On Sat, Jul 25, 2015 at 3:11 AM, Marcelo Ricardo Leitner
mleit...@redhat.com wrote:
On Fri, Jul 24, 2015 at 02:56:29PM +0800, Xin Long wrote:
RFC 5061:
This is an opaque integer assigned by the sender to identify each
request parameter. The receiver of the ASCONF Chunk will copy this
32-bit value into the ASCONF Response Correlation ID field of the
ASCONF-ACK response parameter. The sender of the ASCONF can use this
same value in the ASCONF-ACK to find which request the response is
for. Note that the receiver MUST NOT change this 32-bit value.
Address Parameter: TLV
This field contains an IPv4 or IPv6 address parameter, as described
in Section 3.3.2.1 of [RFC4960].
ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address)
should be sent if the Delete IP Address is not part of the association.
Endpoint A Endpoint B
(ESTABLISHED)(ESTABLISHED)
ASCONF-
(Delete IP Address)
- ASCONF-ACK
(Unresolvable Address)
Signed-off-by: Xin Long lucien@gmail.com
---
net/sctp/sm_make_chunk.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 06320c8..88d82ef 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3090,8 +3090,18 @@ static __be16 sctp_process_asconf_param(struct
sctp_association *asoc,
Please let's avoid increasing the indentation level when possible
sctp_assoc_set_primary(asoc, asconf-transport);
sctp_assoc_del_nonprimary_peers(asoc,
asconf-transport);
add a return here
- } else
+ } else {
and remove this else {}
and we're good.
sctp code is often too indented, trying to reduce that bit here and
there.
+ /* If the address is not part of the association, the
+ * ASCONF-ACK with Error Cause Indication Parameter
+ * which including cause of Unresolvable Address should
+ * be sent.
+ */
+ peer = sctp_assoc_lookup_paddr(asoc, addr);
+ if (!peer)
+ return SCTP_ERROR_DNS_FAILED;
+
sctp_assoc_del_peer(asoc, addr);
Here we can replace this call to sctp_assoc_rm_peer() , because if we
already have peer, we don't have to search for it again.
Thanks,
Marcelo
+ }
break;
case SCTP_PARAM_SET_PRIMARY:
/* ADDIP Section 4.2.4
--
2.1.0
okay, I will repost it
--
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[RFC PATCH net] sctp: ASCONF-ACK with Unresolvable Address should be sent
RFC 5061: This is an opaque integer assigned by the sender to identify each request parameter. The receiver of the ASCONF Chunk will copy this 32-bit value into the ASCONF Response Correlation ID field of the ASCONF-ACK response parameter. The sender of the ASCONF can use this same value in the ASCONF-ACK to find which request the response is for. Note that the receiver MUST NOT change this 32-bit value. Address Parameter: TLV This field contains an IPv4 or IPv6 address parameter, as described in Section 3.3.2.1 of [RFC4960]. ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address) should be sent if the Delete IP Address is not part of the association. Endpoint A Endpoint B (ESTABLISHED)(ESTABLISHED) ASCONF- (Delete IP Address) - ASCONF-ACK (Unresolvable Address) Signed-off-by: Xin Long lucien@gmail.com --- net/sctp/sm_make_chunk.c | 15 +-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 06320c8..6e399f6 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3090,8 +3090,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, sctp_assoc_set_primary(asoc, asconf-transport); sctp_assoc_del_nonprimary_peers(asoc, asconf-transport); - } else - sctp_assoc_del_peer(asoc, addr); + return SCTP_ERROR_NO_ERROR; + } + + /* If the address is not part of the association, the +* ASCONF-ACK with Error Cause Indication Parameter +* which including cause of Unresolvable Address should +* be sent. +*/ + peer = sctp_assoc_lookup_paddr(asoc, addr); + if (!peer) + return SCTP_ERROR_DNS_FAILED; + + sctp_assoc_rm_peer(asoc, peer); break; case SCTP_PARAM_SET_PRIMARY: /* ADDIP Section 4.2.4 -- 2.1.0 -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
