X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fsctp%2Fulpevent.c;h=445e07a7ac4b873cd1f7138e806fd97c1d1a0193;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=ee236784a6bb91ea8bbf3787b776aabf65971ae9;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index ee236784a..445e07a7a 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -55,10 +55,13 @@ static void sctp_ulpevent_release_frag_data(struct sctp_ulpevent *event); /* Initialize an ULP event from an given skb. */ -SCTP_STATIC void sctp_ulpevent_init(struct sctp_ulpevent *event, int msg_flags) +SCTP_STATIC void sctp_ulpevent_init(struct sctp_ulpevent *event, + int msg_flags, + unsigned int len) { memset(event, 0, sizeof(struct sctp_ulpevent)); event->msg_flags = msg_flags; + event->rmem_len = len; } /* Create a new sctp_ulpevent. */ @@ -73,7 +76,7 @@ SCTP_STATIC struct sctp_ulpevent *sctp_ulpevent_new(int size, int msg_flags, goto fail; event = sctp_skb2event(skb); - sctp_ulpevent_init(event, msg_flags); + sctp_ulpevent_init(event, msg_flags, skb->truesize); return event; @@ -101,17 +104,16 @@ static inline void sctp_ulpevent_set_owner(struct sctp_ulpevent *event, sctp_association_hold((struct sctp_association *)asoc); skb = sctp_event2skb(event); event->asoc = (struct sctp_association *)asoc; - atomic_add(skb->truesize, &event->asoc->rmem_alloc); - skb_set_owner_r(skb, asoc->base.sk); + atomic_add(event->rmem_len, &event->asoc->rmem_alloc); + sctp_skb_set_owner_r(skb, asoc->base.sk); } /* A simple destructor to give up the reference to the association. */ static inline void sctp_ulpevent_release_owner(struct sctp_ulpevent *event) { struct sctp_association *asoc = event->asoc; - struct sk_buff *skb = sctp_event2skb(event); - atomic_sub(skb->truesize, &asoc->rmem_alloc); + atomic_sub(event->rmem_len, &asoc->rmem_alloc); sctp_association_put(asoc); } @@ -349,7 +351,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error( struct sctp_remote_error *sre; struct sk_buff *skb; sctp_errhdr_t *ch; - __u16 cause; + __be16 cause; int elen; ch = (sctp_errhdr_t *)(chunk->skb->data); @@ -372,7 +374,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error( /* Embed the event fields inside the cloned skb. */ event = sctp_skb2event(skb); - sctp_ulpevent_init(event, MSG_NOTIFICATION); + sctp_ulpevent_init(event, MSG_NOTIFICATION, skb->truesize); sre = (struct sctp_remote_error *) skb_push(skb, sizeof(struct sctp_remote_error)); @@ -464,7 +466,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_send_failed( /* Embed the event fields inside the cloned skb. */ event = sctp_skb2event(skb); - sctp_ulpevent_init(event, MSG_NOTIFICATION); + sctp_ulpevent_init(event, MSG_NOTIFICATION, skb->truesize); ssf = (struct sctp_send_failed *) skb_push(skb, sizeof(struct sctp_send_failed)); @@ -607,31 +609,31 @@ fail: return NULL; } -/* Create and initialize a SCTP_ADAPTION_INDICATION notification. +/* Create and initialize a SCTP_ADAPTATION_INDICATION notification. * * Socket Extensions for SCTP - * 5.3.1.6 SCTP_ADAPTION_INDICATION + * 5.3.1.6 SCTP_ADAPTATION_INDICATION */ -struct sctp_ulpevent *sctp_ulpevent_make_adaption_indication( +struct sctp_ulpevent *sctp_ulpevent_make_adaptation_indication( const struct sctp_association *asoc, gfp_t gfp) { struct sctp_ulpevent *event; - struct sctp_adaption_event *sai; + struct sctp_adaptation_event *sai; struct sk_buff *skb; - event = sctp_ulpevent_new(sizeof(struct sctp_adaption_event), + event = sctp_ulpevent_new(sizeof(struct sctp_adaptation_event), MSG_NOTIFICATION, gfp); if (!event) goto fail; skb = sctp_event2skb(event); - sai = (struct sctp_adaption_event *) - skb_put(skb, sizeof(struct sctp_adaption_event)); + sai = (struct sctp_adaptation_event *) + skb_put(skb, sizeof(struct sctp_adaptation_event)); - sai->sai_type = SCTP_ADAPTION_INDICATION; + sai->sai_type = SCTP_ADAPTATION_INDICATION; sai->sai_flags = 0; - sai->sai_length = sizeof(struct sctp_adaption_event); - sai->sai_adaption_ind = asoc->peer.adaption_ind; + sai->sai_length = sizeof(struct sctp_adaptation_event); + sai->sai_adaptation_ind = asoc->peer.adaptation_ind; sctp_ulpevent_set_owner(event, asoc); sai->sai_assoc_id = sctp_assoc2id(asoc); @@ -682,8 +684,11 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc, /* Embed the event fields inside the cloned skb. */ event = sctp_skb2event(skb); - /* Initialize event with flags 0. */ - sctp_ulpevent_init(event, 0); + /* Initialize event with flags 0 and correct length + * Since this is a clone of the original skb, only account for + * the data of this chunk as other chunks will be accounted separately. + */ + sctp_ulpevent_init(event, 0, skb->len + sizeof(struct sk_buff)); sctp_ulpevent_receive_data(event, asoc); @@ -844,8 +849,10 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event, */ sinfo.sinfo_assoc_id = sctp_assoc2id(event->asoc); + /* context value that is set via SCTP_CONTEXT socket option. */ + sinfo.sinfo_context = event->asoc->default_rcv_context; + /* These fields are not used while receiving. */ - sinfo.sinfo_context = 0; sinfo.sinfo_timetolive = 0; put_cmsg(msghdr, IPPROTO_SCTP, SCTP_SNDRCV,