* [PATCH net-next] sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp
@ 2017-03-31 10:14 Xin Long
2017-03-31 18:08 ` Marcelo Ricardo Leitner
0 siblings, 1 reply; 3+ messages in thread
From: Xin Long @ 2017-03-31 10:14 UTC (permalink / raw)
To: network dev, linux-sctp; +Cc: Marcelo Ricardo Leitner, Neil Horman, davem
Before when implementing sctp prsctp, SCTP_PR_STREAM_STATUS wasn't
added, as it needs to save abandoned_(un)sent for every stream.
After sctp stream reconf is added in sctp, assoc has structure
sctp_stream_out to save per stream info.
This patch is to add SCTP_PR_STREAM_STATUS by putting the prsctp
per stream statistics into sctp_stream_out.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
---
include/net/sctp/structs.h | 2 ++
include/uapi/linux/sctp.h | 1 +
net/sctp/chunk.c | 14 +++++++++--
net/sctp/outqueue.c | 10 ++++++++
net/sctp/socket.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 84 insertions(+), 2 deletions(-)
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 592dece..3e61a54 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1315,6 +1315,8 @@ struct sctp_inithdr_host {
struct sctp_stream_out {
__u16 ssn;
__u8 state;
+ __u64 abandoned_unsent[SCTP_PR_INDEX(MAX) + 1];
+ __u64 abandoned_sent[SCTP_PR_INDEX(MAX) + 1];
};
struct sctp_stream_in {
diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
index 7212870..ced9d8b 100644
--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -115,6 +115,7 @@ typedef __s32 sctp_assoc_t;
#define SCTP_PR_SUPPORTED 113
#define SCTP_DEFAULT_PRINFO 114
#define SCTP_PR_ASSOC_STATUS 115
+#define SCTP_PR_STREAM_STATUS 116
#define SCTP_RECONFIG_SUPPORTED 117
#define SCTP_ENABLE_STREAM_RESET 118
#define SCTP_RESET_STREAMS 119
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index e3621cb..697721a 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -306,14 +306,24 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
time_after(jiffies, chunk->msg->expires_at)) {
- if (chunk->sent_count)
+ struct sctp_stream_out *streamout =
+ &chunk->asoc->stream->out[chunk->sinfo.sinfo_stream];
+
+ if (chunk->sent_count) {
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
- else
+ streamout->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
+ } else {
chunk->asoc->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
+ streamout->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
+ }
return 1;
} else if (SCTP_PR_RTX_ENABLED(chunk->sinfo.sinfo_flags) &&
chunk->sent_count > chunk->sinfo.sinfo_timetolive) {
+ struct sctp_stream_out *streamout =
+ &chunk->asoc->stream->out[chunk->sinfo.sinfo_stream];
+
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
+ streamout->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
return 1;
} else if (!SCTP_PR_POLICY(chunk->sinfo.sinfo_flags) &&
chunk->msg->expires_at &&
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 025ccff..3f78d7f 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -353,6 +353,8 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
struct sctp_chunk *chk, *temp;
list_for_each_entry_safe(chk, temp, queue, transmitted_list) {
+ struct sctp_stream_out *streamout;
+
if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) ||
chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive)
continue;
@@ -361,8 +363,10 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
sctp_insert_list(&asoc->outqueue.abandoned,
&chk->transmitted_list);
+ streamout = &asoc->stream->out[chk->sinfo.sinfo_stream];
asoc->sent_cnt_removable--;
asoc->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
+ streamout->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
if (!chk->tsn_gap_acked) {
if (chk->transport)
@@ -396,6 +400,12 @@ static int sctp_prsctp_prune_unsent(struct sctp_association *asoc,
q->out_qlen -= chk->skb->len;
asoc->sent_cnt_removable--;
asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
+ if (chk->sinfo.sinfo_stream < asoc->stream->outcnt) {
+ struct sctp_stream_out *streamout =
+ &asoc->stream->out[chk->sinfo.sinfo_stream];
+
+ streamout->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
+ }
msg_len -= SCTP_DATA_SNDSIZE(chk) +
sizeof(struct sk_buff) +
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index ccc08fc..8c0b528 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -6576,6 +6576,61 @@ static int sctp_getsockopt_pr_assocstatus(struct sock *sk, int len,
return retval;
}
+static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len,
+ char __user *optval,
+ int __user *optlen)
+{
+ struct sctp_stream_out *streamout;
+ struct sctp_association *asoc;
+ struct sctp_prstatus params;
+ int retval = -EINVAL;
+ int policy;
+
+ if (len < sizeof(params))
+ goto out;
+
+ len = sizeof(params);
+ if (copy_from_user(¶ms, optval, len)) {
+ retval = -EFAULT;
+ goto out;
+ }
+
+ policy = params.sprstat_policy;
+ if (policy & ~SCTP_PR_SCTP_MASK)
+ goto out;
+
+ asoc = sctp_id2assoc(sk, params.sprstat_assoc_id);
+ if (!asoc || params.sprstat_sid >= asoc->stream->outcnt)
+ goto out;
+
+ streamout = &asoc->stream->out[params.sprstat_sid];
+ if (policy == SCTP_PR_SCTP_NONE) {
+ params.sprstat_abandoned_unsent = 0;
+ params.sprstat_abandoned_sent = 0;
+ for (policy = 0; policy <= SCTP_PR_INDEX(MAX); policy++) {
+ params.sprstat_abandoned_unsent +=
+ streamout->abandoned_unsent[policy];
+ params.sprstat_abandoned_sent +=
+ streamout->abandoned_sent[policy];
+ }
+ } else {
+ params.sprstat_abandoned_unsent =
+ streamout->abandoned_unsent[__SCTP_PR_INDEX(policy)];
+ params.sprstat_abandoned_sent =
+ streamout->abandoned_sent[__SCTP_PR_INDEX(policy)];
+ }
+
+ if (put_user(len, optlen) || copy_to_user(optval, ¶ms, len)) {
+ retval = -EFAULT;
+ goto out;
+ }
+
+ retval = 0;
+
+out:
+ return retval;
+}
+
static int sctp_getsockopt_reconfig_supported(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
@@ -6825,6 +6880,10 @@ static int sctp_getsockopt(struct sock *sk, int level, int optname,
retval = sctp_getsockopt_pr_assocstatus(sk, len, optval,
optlen);
break;
+ case SCTP_PR_STREAM_STATUS:
+ retval = sctp_getsockopt_pr_streamstatus(sk, len, optval,
+ optlen);
+ break;
case SCTP_RECONFIG_SUPPORTED:
retval = sctp_getsockopt_reconfig_supported(sk, len, optval,
optlen);
--
2.1.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH net-next] sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp
2017-03-31 10:14 [PATCH net-next] sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp Xin Long
@ 2017-03-31 18:08 ` Marcelo Ricardo Leitner
2017-04-01 9:07 ` Xin Long
0 siblings, 1 reply; 3+ messages in thread
From: Marcelo Ricardo Leitner @ 2017-03-31 18:08 UTC (permalink / raw)
To: Xin Long; +Cc: network dev, linux-sctp, Neil Horman, davem
On Fri, Mar 31, 2017 at 06:14:09PM +0800, Xin Long wrote:
> Before when implementing sctp prsctp, SCTP_PR_STREAM_STATUS wasn't
> added, as it needs to save abandoned_(un)sent for every stream.
>
> After sctp stream reconf is added in sctp, assoc has structure
> sctp_stream_out to save per stream info.
>
> This patch is to add SCTP_PR_STREAM_STATUS by putting the prsctp
> per stream statistics into sctp_stream_out.
>
> Signed-off-by: Xin Long <lucien.xin@gmail.com>
> ---
> include/net/sctp/structs.h | 2 ++
> include/uapi/linux/sctp.h | 1 +
> net/sctp/chunk.c | 14 +++++++++--
> net/sctp/outqueue.c | 10 ++++++++
> net/sctp/socket.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 84 insertions(+), 2 deletions(-)
>
> diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
> index 592dece..3e61a54 100644
> --- a/include/net/sctp/structs.h
> +++ b/include/net/sctp/structs.h
> @@ -1315,6 +1315,8 @@ struct sctp_inithdr_host {
> struct sctp_stream_out {
> __u16 ssn;
> __u8 state;
> + __u64 abandoned_unsent[SCTP_PR_INDEX(MAX) + 1];
> + __u64 abandoned_sent[SCTP_PR_INDEX(MAX) + 1];
> };
>
> struct sctp_stream_in {
> diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
> index 7212870..ced9d8b 100644
> --- a/include/uapi/linux/sctp.h
> +++ b/include/uapi/linux/sctp.h
> @@ -115,6 +115,7 @@ typedef __s32 sctp_assoc_t;
> #define SCTP_PR_SUPPORTED 113
> #define SCTP_DEFAULT_PRINFO 114
> #define SCTP_PR_ASSOC_STATUS 115
> +#define SCTP_PR_STREAM_STATUS 116
> #define SCTP_RECONFIG_SUPPORTED 117
> #define SCTP_ENABLE_STREAM_RESET 118
> #define SCTP_RESET_STREAMS 119
> diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
> index e3621cb..697721a 100644
> --- a/net/sctp/chunk.c
> +++ b/net/sctp/chunk.c
> @@ -306,14 +306,24 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
>
> if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
> time_after(jiffies, chunk->msg->expires_at)) {
> - if (chunk->sent_count)
> + struct sctp_stream_out *streamout =
> + &chunk->asoc->stream->out[chunk->sinfo.sinfo_stream];
> +
> + if (chunk->sent_count) {
> chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
> - else
> + streamout->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
> + } else {
> chunk->asoc->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
> + streamout->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
> + }
> return 1;
> } else if (SCTP_PR_RTX_ENABLED(chunk->sinfo.sinfo_flags) &&
> chunk->sent_count > chunk->sinfo.sinfo_timetolive) {
> + struct sctp_stream_out *streamout =
> + &chunk->asoc->stream->out[chunk->sinfo.sinfo_stream];
> +
> chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
> + streamout->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
> return 1;
> } else if (!SCTP_PR_POLICY(chunk->sinfo.sinfo_flags) &&
> chunk->msg->expires_at &&
> diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
> index 025ccff..3f78d7f 100644
> --- a/net/sctp/outqueue.c
> +++ b/net/sctp/outqueue.c
> @@ -353,6 +353,8 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
> struct sctp_chunk *chk, *temp;
>
> list_for_each_entry_safe(chk, temp, queue, transmitted_list) {
> + struct sctp_stream_out *streamout;
> +
> if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) ||
> chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive)
> continue;
> @@ -361,8 +363,10 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
> sctp_insert_list(&asoc->outqueue.abandoned,
> &chk->transmitted_list);
>
> + streamout = &asoc->stream->out[chk->sinfo.sinfo_stream];
> asoc->sent_cnt_removable--;
> asoc->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
> + streamout->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
>
> if (!chk->tsn_gap_acked) {
> if (chk->transport)
> @@ -396,6 +400,12 @@ static int sctp_prsctp_prune_unsent(struct sctp_association *asoc,
> q->out_qlen -= chk->skb->len;
> asoc->sent_cnt_removable--;
> asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
> + if (chk->sinfo.sinfo_stream < asoc->stream->outcnt) {
> + struct sctp_stream_out *streamout =
> + &asoc->stream->out[chk->sinfo.sinfo_stream];
> +
> + streamout->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
> + }
>
> msg_len -= SCTP_DATA_SNDSIZE(chk) +
> sizeof(struct sk_buff) +
> diff --git a/net/sctp/socket.c b/net/sctp/socket.c
> index ccc08fc..8c0b528 100644
> --- a/net/sctp/socket.c
> +++ b/net/sctp/socket.c
> @@ -6576,6 +6576,61 @@ static int sctp_getsockopt_pr_assocstatus(struct sock *sk, int len,
> return retval;
> }
>
> +static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len,
> + char __user *optval,
> + int __user *optlen)
You're missing an space here -----^
otherwise it lgtm
> +{
> + struct sctp_stream_out *streamout;
> + struct sctp_association *asoc;
> + struct sctp_prstatus params;
> + int retval = -EINVAL;
> + int policy;
> +
> + if (len < sizeof(params))
> + goto out;
> +
> + len = sizeof(params);
> + if (copy_from_user(¶ms, optval, len)) {
> + retval = -EFAULT;
> + goto out;
> + }
> +
> + policy = params.sprstat_policy;
> + if (policy & ~SCTP_PR_SCTP_MASK)
> + goto out;
> +
> + asoc = sctp_id2assoc(sk, params.sprstat_assoc_id);
> + if (!asoc || params.sprstat_sid >= asoc->stream->outcnt)
> + goto out;
> +
> + streamout = &asoc->stream->out[params.sprstat_sid];
> + if (policy == SCTP_PR_SCTP_NONE) {
> + params.sprstat_abandoned_unsent = 0;
> + params.sprstat_abandoned_sent = 0;
> + for (policy = 0; policy <= SCTP_PR_INDEX(MAX); policy++) {
> + params.sprstat_abandoned_unsent +=
> + streamout->abandoned_unsent[policy];
> + params.sprstat_abandoned_sent +=
> + streamout->abandoned_sent[policy];
> + }
> + } else {
> + params.sprstat_abandoned_unsent =
> + streamout->abandoned_unsent[__SCTP_PR_INDEX(policy)];
> + params.sprstat_abandoned_sent =
> + streamout->abandoned_sent[__SCTP_PR_INDEX(policy)];
> + }
> +
> + if (put_user(len, optlen) || copy_to_user(optval, ¶ms, len)) {
> + retval = -EFAULT;
> + goto out;
> + }
> +
> + retval = 0;
> +
> +out:
> + return retval;
> +}
> +
> static int sctp_getsockopt_reconfig_supported(struct sock *sk, int len,
> char __user *optval,
> int __user *optlen)
> @@ -6825,6 +6880,10 @@ static int sctp_getsockopt(struct sock *sk, int level, int optname,
> retval = sctp_getsockopt_pr_assocstatus(sk, len, optval,
> optlen);
> break;
> + case SCTP_PR_STREAM_STATUS:
> + retval = sctp_getsockopt_pr_streamstatus(sk, len, optval,
> + optlen);
> + break;
> case SCTP_RECONFIG_SUPPORTED:
> retval = sctp_getsockopt_reconfig_supported(sk, len, optval,
> optlen);
> --
> 2.1.0
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH net-next] sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp
2017-03-31 18:08 ` Marcelo Ricardo Leitner
@ 2017-04-01 9:07 ` Xin Long
0 siblings, 0 replies; 3+ messages in thread
From: Xin Long @ 2017-04-01 9:07 UTC (permalink / raw)
To: Marcelo Ricardo Leitner; +Cc: network dev, linux-sctp, Neil Horman, davem
On Sat, Apr 1, 2017 at 2:08 AM, Marcelo Ricardo Leitner
<marcelo.leitner@gmail.com> wrote:
> On Fri, Mar 31, 2017 at 06:14:09PM +0800, Xin Long wrote:
>> Before when implementing sctp prsctp, SCTP_PR_STREAM_STATUS wasn't
>> added, as it needs to save abandoned_(un)sent for every stream.
>>
>> After sctp stream reconf is added in sctp, assoc has structure
>> sctp_stream_out to save per stream info.
>>
>> This patch is to add SCTP_PR_STREAM_STATUS by putting the prsctp
>> per stream statistics into sctp_stream_out.
>>
>> Signed-off-by: Xin Long <lucien.xin@gmail.com>
>> ---
>> include/net/sctp/structs.h | 2 ++
>> include/uapi/linux/sctp.h | 1 +
>> net/sctp/chunk.c | 14 +++++++++--
>> net/sctp/outqueue.c | 10 ++++++++
>> net/sctp/socket.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++
>> 5 files changed, 84 insertions(+), 2 deletions(-)
>>
>> diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
>> index 592dece..3e61a54 100644
>> --- a/include/net/sctp/structs.h
>> +++ b/include/net/sctp/structs.h
>> @@ -1315,6 +1315,8 @@ struct sctp_inithdr_host {
>> struct sctp_stream_out {
>> __u16 ssn;
>> __u8 state;
>> + __u64 abandoned_unsent[SCTP_PR_INDEX(MAX) + 1];
>> + __u64 abandoned_sent[SCTP_PR_INDEX(MAX) + 1];
>> };
>>
>> struct sctp_stream_in {
>> diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
>> index 7212870..ced9d8b 100644
>> --- a/include/uapi/linux/sctp.h
>> +++ b/include/uapi/linux/sctp.h
>> @@ -115,6 +115,7 @@ typedef __s32 sctp_assoc_t;
>> #define SCTP_PR_SUPPORTED 113
>> #define SCTP_DEFAULT_PRINFO 114
>> #define SCTP_PR_ASSOC_STATUS 115
>> +#define SCTP_PR_STREAM_STATUS 116
>> #define SCTP_RECONFIG_SUPPORTED 117
>> #define SCTP_ENABLE_STREAM_RESET 118
>> #define SCTP_RESET_STREAMS 119
>> diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
>> index e3621cb..697721a 100644
>> --- a/net/sctp/chunk.c
>> +++ b/net/sctp/chunk.c
>> @@ -306,14 +306,24 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
>>
>> if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
>> time_after(jiffies, chunk->msg->expires_at)) {
>> - if (chunk->sent_count)
>> + struct sctp_stream_out *streamout =
>> + &chunk->asoc->stream->out[chunk->sinfo.sinfo_stream];
>> +
>> + if (chunk->sent_count) {
>> chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
>> - else
>> + streamout->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
>> + } else {
>> chunk->asoc->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
>> + streamout->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
>> + }
>> return 1;
>> } else if (SCTP_PR_RTX_ENABLED(chunk->sinfo.sinfo_flags) &&
>> chunk->sent_count > chunk->sinfo.sinfo_timetolive) {
>> + struct sctp_stream_out *streamout =
>> + &chunk->asoc->stream->out[chunk->sinfo.sinfo_stream];
>> +
>> chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
>> + streamout->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
>> return 1;
>> } else if (!SCTP_PR_POLICY(chunk->sinfo.sinfo_flags) &&
>> chunk->msg->expires_at &&
>> diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
>> index 025ccff..3f78d7f 100644
>> --- a/net/sctp/outqueue.c
>> +++ b/net/sctp/outqueue.c
>> @@ -353,6 +353,8 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
>> struct sctp_chunk *chk, *temp;
>>
>> list_for_each_entry_safe(chk, temp, queue, transmitted_list) {
>> + struct sctp_stream_out *streamout;
>> +
>> if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) ||
>> chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive)
>> continue;
>> @@ -361,8 +363,10 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
>> sctp_insert_list(&asoc->outqueue.abandoned,
>> &chk->transmitted_list);
>>
>> + streamout = &asoc->stream->out[chk->sinfo.sinfo_stream];
>> asoc->sent_cnt_removable--;
>> asoc->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
>> + streamout->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
>>
>> if (!chk->tsn_gap_acked) {
>> if (chk->transport)
>> @@ -396,6 +400,12 @@ static int sctp_prsctp_prune_unsent(struct sctp_association *asoc,
>> q->out_qlen -= chk->skb->len;
>> asoc->sent_cnt_removable--;
>> asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
>> + if (chk->sinfo.sinfo_stream < asoc->stream->outcnt) {
>> + struct sctp_stream_out *streamout =
>> + &asoc->stream->out[chk->sinfo.sinfo_stream];
>> +
>> + streamout->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
>> + }
>>
>> msg_len -= SCTP_DATA_SNDSIZE(chk) +
>> sizeof(struct sk_buff) +
>> diff --git a/net/sctp/socket.c b/net/sctp/socket.c
>> index ccc08fc..8c0b528 100644
>> --- a/net/sctp/socket.c
>> +++ b/net/sctp/socket.c
>> @@ -6576,6 +6576,61 @@ static int sctp_getsockopt_pr_assocstatus(struct sock *sk, int len,
>> return retval;
>> }
>>
>> +static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len,
>> + char __user *optval,
>> + int __user *optlen)
> You're missing an space here -----^
right, will post v2, thanks.
>
> otherwise it lgtm
>
>> +{
>> + struct sctp_stream_out *streamout;
>> + struct sctp_association *asoc;
>> + struct sctp_prstatus params;
>> + int retval = -EINVAL;
>> + int policy;
>> +
>> + if (len < sizeof(params))
>> + goto out;
>> +
>> + len = sizeof(params);
>> + if (copy_from_user(¶ms, optval, len)) {
>> + retval = -EFAULT;
>> + goto out;
>> + }
>> +
>> + policy = params.sprstat_policy;
>> + if (policy & ~SCTP_PR_SCTP_MASK)
>> + goto out;
>> +
>> + asoc = sctp_id2assoc(sk, params.sprstat_assoc_id);
>> + if (!asoc || params.sprstat_sid >= asoc->stream->outcnt)
>> + goto out;
>> +
>> + streamout = &asoc->stream->out[params.sprstat_sid];
>> + if (policy == SCTP_PR_SCTP_NONE) {
>> + params.sprstat_abandoned_unsent = 0;
>> + params.sprstat_abandoned_sent = 0;
>> + for (policy = 0; policy <= SCTP_PR_INDEX(MAX); policy++) {
>> + params.sprstat_abandoned_unsent +=
>> + streamout->abandoned_unsent[policy];
>> + params.sprstat_abandoned_sent +=
>> + streamout->abandoned_sent[policy];
>> + }
>> + } else {
>> + params.sprstat_abandoned_unsent =
>> + streamout->abandoned_unsent[__SCTP_PR_INDEX(policy)];
>> + params.sprstat_abandoned_sent =
>> + streamout->abandoned_sent[__SCTP_PR_INDEX(policy)];
>> + }
>> +
>> + if (put_user(len, optlen) || copy_to_user(optval, ¶ms, len)) {
>> + retval = -EFAULT;
>> + goto out;
>> + }
>> +
>> + retval = 0;
>> +
>> +out:
>> + return retval;
>> +}
>> +
>> static int sctp_getsockopt_reconfig_supported(struct sock *sk, int len,
>> char __user *optval,
>> int __user *optlen)
>> @@ -6825,6 +6880,10 @@ static int sctp_getsockopt(struct sock *sk, int level, int optname,
>> retval = sctp_getsockopt_pr_assocstatus(sk, len, optval,
>> optlen);
>> break;
>> + case SCTP_PR_STREAM_STATUS:
>> + retval = sctp_getsockopt_pr_streamstatus(sk, len, optval,
>> + optlen);
>> + break;
>> case SCTP_RECONFIG_SUPPORTED:
>> retval = sctp_getsockopt_reconfig_supported(sk, len, optval,
>> optlen);
>> --
>> 2.1.0
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-04-01 9:07 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-03-31 10:14 [PATCH net-next] sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp Xin Long
2017-03-31 18:08 ` Marcelo Ricardo Leitner
2017-04-01 9:07 ` Xin Long
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