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Add support for SCTP_SEND_FAILED_EVENT as required by RFC 6458.

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MFC after: 3 days
This commit is contained in:
Michael Tuexen 2012-05-06 11:02:53 +00:00
parent ffbec96825
commit 9935403ae1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235075
4 changed files with 141 additions and 65 deletions
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3
sys/netinet/sctp.h
View File

@ -526,7 +526,7 @@ struct sctp_error_unrecognized_chunk {
#define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x00000800
#define SCTP_PCB_FLAGS_RECVPADDREVNT 0x00001000
#define SCTP_PCB_FLAGS_RECVPEERERR 0x00002000
#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000
#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000 /* deprecated */
#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x00008000
#define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x00010000
#define SCTP_PCB_FLAGS_PDAPIEVNT 0x00020000
@ -542,6 +542,7 @@ struct sctp_error_unrecognized_chunk {
#define SCTP_PCB_FLAGS_RECVNXTINFO 0x10000000
#define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x20000000
#define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x40000000
#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x80000000
/*-
* mobility_features parameters (by micchie).Note

43
sys/netinet/sctp_uio.h
View File

@ -343,7 +343,7 @@ struct sctp_remote_error {
uint8_t sre_data[4];
};
/* data send failure event */
/* data send failure event (deprecated) */
struct sctp_send_failed {
uint16_t ssf_type;
uint16_t ssf_flags;
@ -354,6 +354,17 @@ struct sctp_send_failed {
uint8_t ssf_data[];
};
/* data send failure event (not deprecated) */
struct sctp_send_failed_event {
uint16_t ssfe_type;
uint16_t ssfe_flags;
uint32_t ssfe_length;
uint32_t ssfe_error;
struct sctp_sndinfo ssfe_info;
sctp_assoc_t ssfe_assoc_id;
uint8_t ssfe_data[];
};
/* flag that indicates state of data */
#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
#define SCTP_DATA_SENT 0x0002 /* on wire at failure */
@ -513,22 +524,22 @@ union sctp_notification {
};
/* notification types */
#define SCTP_ASSOC_CHANGE 0x0001
#define SCTP_PEER_ADDR_CHANGE 0x0002
#define SCTP_REMOTE_ERROR 0x0003
#define SCTP_SEND_FAILED 0x0004
#define SCTP_SHUTDOWN_EVENT 0x0005
#define SCTP_ADAPTATION_INDICATION 0x0006
#define SCTP_ASSOC_CHANGE 0x0001
#define SCTP_PEER_ADDR_CHANGE 0x0002
#define SCTP_REMOTE_ERROR 0x0003
#define SCTP_SEND_FAILED 0x0004
#define SCTP_SHUTDOWN_EVENT 0x0005
#define SCTP_ADAPTATION_INDICATION 0x0006
/* same as above */
#define SCTP_ADAPTION_INDICATION 0x0006
#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
#define SCTP_AUTHENTICATION_EVENT 0x0008
#define SCTP_STREAM_RESET_EVENT 0x0009
#define SCTP_SENDER_DRY_EVENT 0x000a
#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */
#define SCTP_ASSOC_RESET_EVENT 0x000c
#define SCTP_STREAM_CHANGE_EVENT 0x000d
#define SCTP_ADAPTION_INDICATION 0x0006
#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
#define SCTP_AUTHENTICATION_EVENT 0x0008
#define SCTP_STREAM_RESET_EVENT 0x0009
#define SCTP_SENDER_DRY_EVENT 0x000a
#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */
#define SCTP_ASSOC_RESET_EVENT 0x000c
#define SCTP_STREAM_CHANGE_EVENT 0x000d
#define SCTP_SEND_FAILED_EVENT 0x000e
/*
* socket option structs
*/

6
sys/netinet/sctp_usrreq.c
View File

@ -2989,6 +2989,9 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
case SCTP_STREAM_CHANGE_EVENT:
event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
break;
case SCTP_SEND_FAILED_EVENT:
event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
break;
default:
event_type = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
@ -5412,6 +5415,9 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
case SCTP_STREAM_CHANGE_EVENT:
event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
break;
case SCTP_SEND_FAILED_EVENT:
event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
break;
default:
event_type = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);

154
sys/netinet/sctputil.c
View File

@ -2798,39 +2798,66 @@ sctp_notify_send_failed(struct sctp_tcb *stcb, uint32_t error,
{
struct mbuf *m_notify;
struct sctp_send_failed *ssf;
struct sctp_send_failed_event *ssfe;
struct sctp_queued_to_read *control;
int length;
if ((stcb == NULL) ||
sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) {
(sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT) &&
sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVNSENDFAILEVNT))) {
/* event not enabled */
return;
}
m_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_send_failed), 0, M_DONTWAIT, 1, MT_DATA);
if (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVNSENDFAILEVNT)) {
length = sizeof(struct sctp_send_failed_event);
} else {
length = sizeof(struct sctp_send_failed);
}
m_notify = sctp_get_mbuf_for_msg(length, 0, M_DONTWAIT, 1, MT_DATA);
if (m_notify == NULL)
/* no space left */
return;
length = sizeof(struct sctp_send_failed) + chk->send_size;
length += chk->send_size;
length -= sizeof(struct sctp_data_chunk);
SCTP_BUF_LEN(m_notify) = 0;
ssf = mtod(m_notify, struct sctp_send_failed *);
ssf->ssf_type = SCTP_SEND_FAILED;
if (error == SCTP_NOTIFY_DATAGRAM_UNSENT)
ssf->ssf_flags = SCTP_DATA_UNSENT;
else
ssf->ssf_flags = SCTP_DATA_SENT;
ssf->ssf_length = length;
ssf->ssf_error = error;
/* not exactly what the user sent in, but should be close :) */
bzero(&ssf->ssf_info, sizeof(ssf->ssf_info));
ssf->ssf_info.sinfo_stream = chk->rec.data.stream_number;
ssf->ssf_info.sinfo_ssn = chk->rec.data.stream_seq;
ssf->ssf_info.sinfo_flags = chk->rec.data.rcv_flags;
ssf->ssf_info.sinfo_ppid = chk->rec.data.payloadtype;
ssf->ssf_info.sinfo_context = chk->rec.data.context;
ssf->ssf_info.sinfo_assoc_id = sctp_get_associd(stcb);
ssf->ssf_assoc_id = sctp_get_associd(stcb);
if (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVNSENDFAILEVNT)) {
ssfe = mtod(m_notify, struct sctp_send_failed_event *);
ssfe->ssfe_type = SCTP_SEND_FAILED_EVENT;
if (error == SCTP_NOTIFY_DATAGRAM_UNSENT)
ssfe->ssfe_flags = SCTP_DATA_UNSENT;
else
ssfe->ssfe_flags = SCTP_DATA_SENT;
ssfe->ssfe_length = length;
ssfe->ssfe_error = error;
/* not exactly what the user sent in, but should be close :) */
bzero(&ssfe->ssfe_info, sizeof(ssfe->ssfe_info));
ssfe->ssfe_info.snd_sid = chk->rec.data.stream_number;
ssfe->ssfe_info.snd_flags = chk->rec.data.rcv_flags;
ssfe->ssfe_info.snd_ppid = chk->rec.data.payloadtype;
ssfe->ssfe_info.snd_context = chk->rec.data.context;
ssfe->ssfe_info.snd_assoc_id = sctp_get_associd(stcb);
ssfe->ssfe_assoc_id = sctp_get_associd(stcb);
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_send_failed_event);
} else {
ssf = mtod(m_notify, struct sctp_send_failed *);
ssf->ssf_type = SCTP_SEND_FAILED;
if (error == SCTP_NOTIFY_DATAGRAM_UNSENT)
ssf->ssf_flags = SCTP_DATA_UNSENT;
else
ssf->ssf_flags = SCTP_DATA_SENT;
ssf->ssf_length = length;
ssf->ssf_error = error;
/* not exactly what the user sent in, but should be close :) */
bzero(&ssf->ssf_info, sizeof(ssf->ssf_info));
ssf->ssf_info.sinfo_stream = chk->rec.data.stream_number;
ssf->ssf_info.sinfo_ssn = chk->rec.data.stream_seq;
ssf->ssf_info.sinfo_flags = chk->rec.data.rcv_flags;
ssf->ssf_info.sinfo_ppid = chk->rec.data.payloadtype;
ssf->ssf_info.sinfo_context = chk->rec.data.context;
ssf->ssf_info.sinfo_assoc_id = sctp_get_associd(stcb);
ssf->ssf_assoc_id = sctp_get_associd(stcb);
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_send_failed);
}
if (chk->data) {
/*
* trim off the sctp chunk header(it should be there)
@ -2842,7 +2869,6 @@ sctp_notify_send_failed(struct sctp_tcb *stcb, uint32_t error,
}
}
SCTP_BUF_NEXT(m_notify) = chk->data;
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_send_failed);
/* Steal off the mbuf */
chk->data = NULL;
/*
@ -2882,43 +2908,75 @@ sctp_notify_send_failed2(struct sctp_tcb *stcb, uint32_t error,
{
struct mbuf *m_notify;
struct sctp_send_failed *ssf;
struct sctp_send_failed_event *ssfe;
struct sctp_queued_to_read *control;
int length;
if ((stcb == NULL) ||
sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) {
(sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT) &&
sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVNSENDFAILEVNT))) {
/* event not enabled */
return;
}
length = sizeof(struct sctp_send_failed) + sp->length;
m_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_send_failed), 0, M_DONTWAIT, 1, MT_DATA);
if (m_notify == NULL)
if (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVNSENDFAILEVNT)) {
length = sizeof(struct sctp_send_failed_event);
} else {
length = sizeof(struct sctp_send_failed);
}
m_notify = sctp_get_mbuf_for_msg(length, 0, M_DONTWAIT, 1, MT_DATA);
if (m_notify == NULL) {
/* no space left */
return;
SCTP_BUF_LEN(m_notify) = 0;
ssf = mtod(m_notify, struct sctp_send_failed *);
ssf->ssf_type = SCTP_SEND_FAILED;
if (error == SCTP_NOTIFY_DATAGRAM_UNSENT)
ssf->ssf_flags = SCTP_DATA_UNSENT;
else
ssf->ssf_flags = SCTP_DATA_SENT;
ssf->ssf_length = length;
ssf->ssf_error = error;
/* not exactly what the user sent in, but should be close :) */
bzero(&ssf->ssf_info, sizeof(ssf->ssf_info));
ssf->ssf_info.sinfo_stream = sp->stream;
ssf->ssf_info.sinfo_ssn = sp->strseq;
if (sp->some_taken) {
ssf->ssf_info.sinfo_flags = SCTP_DATA_LAST_FRAG;
} else {
ssf->ssf_info.sinfo_flags = SCTP_DATA_NOT_FRAG;
}
ssf->ssf_info.sinfo_ppid = sp->ppid;
ssf->ssf_info.sinfo_context = sp->context;
ssf->ssf_info.sinfo_assoc_id = sctp_get_associd(stcb);
ssf->ssf_assoc_id = sctp_get_associd(stcb);
length += sp->length;
SCTP_BUF_LEN(m_notify) = 0;
if (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_RECVNSENDFAILEVNT)) {
ssfe = mtod(m_notify, struct sctp_send_failed_event *);
ssfe->ssfe_type = SCTP_SEND_FAILED;
if (error == SCTP_NOTIFY_DATAGRAM_UNSENT)
ssfe->ssfe_flags = SCTP_DATA_UNSENT;
else
ssfe->ssfe_flags = SCTP_DATA_SENT;
ssfe->ssfe_length = length;
ssfe->ssfe_error = error;
/* not exactly what the user sent in, but should be close :) */
bzero(&ssfe->ssfe_info, sizeof(ssfe->ssfe_info));
ssfe->ssfe_info.snd_sid = sp->stream;
if (sp->some_taken) {
ssfe->ssfe_info.snd_flags = SCTP_DATA_LAST_FRAG;
} else {
ssfe->ssfe_info.snd_flags = SCTP_DATA_NOT_FRAG;
}
ssfe->ssfe_info.snd_ppid = sp->ppid;
ssfe->ssfe_info.snd_context = sp->context;
ssfe->ssfe_info.snd_assoc_id = sctp_get_associd(stcb);
ssfe->ssfe_assoc_id = sctp_get_associd(stcb);
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_send_failed_event);
} else {
ssf = mtod(m_notify, struct sctp_send_failed *);
ssf->ssf_type = SCTP_SEND_FAILED;
if (error == SCTP_NOTIFY_DATAGRAM_UNSENT)
ssf->ssf_flags = SCTP_DATA_UNSENT;
else
ssf->ssf_flags = SCTP_DATA_SENT;
ssf->ssf_length = length;
ssf->ssf_error = error;
/* not exactly what the user sent in, but should be close :) */
bzero(&ssf->ssf_info, sizeof(ssf->ssf_info));
ssf->ssf_info.sinfo_stream = sp->stream;
ssf->ssf_info.sinfo_ssn = sp->strseq;
if (sp->some_taken) {
ssf->ssf_info.sinfo_flags = SCTP_DATA_LAST_FRAG;
} else {
ssf->ssf_info.sinfo_flags = SCTP_DATA_NOT_FRAG;
}
ssf->ssf_info.sinfo_ppid = sp->ppid;
ssf->ssf_info.sinfo_context = sp->context;
ssf->ssf_info.sinfo_assoc_id = sctp_get_associd(stcb);
ssf->ssf_assoc_id = sctp_get_associd(stcb);
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_send_failed);
}
SCTP_BUF_NEXT(m_notify) = sp->data;
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_send_failed);
/* Steal off the mbuf */
sp->data = NULL;