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| author | Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> | 2018-04-26 21:58:55 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-27 20:35:23 +0200 |
| commit | 2f5e3c9df6938b823664869ec87af3da8df272f6 (patch) | |
| tree | 22be567d684b1c89bc40f433099a2909fdbbfb2e /include/net/sctp | |
| parent | sctp: introduce sctp_mtu_payload (diff) | |
| download | linux-2f5e3c9df6938b823664869ec87af3da8df272f6.tar.xz linux-2f5e3c9df6938b823664869ec87af3da8df272f6.zip | |
sctp: introduce sctp_assoc_update_frag_point
and avoid the open-coded versions of it.
Now sctp_datamsg_from_user can just re-use asoc->frag_point as it will
always be updated.
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp')
| -rw-r--r-- | include/net/sctp/sctp.h | 20 | ||||
| -rw-r--r-- | include/net/sctp/structs.h | 1 |
2 files changed, 1 insertions, 20 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 0b98e4683f10..350c65620a4e 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -428,26 +428,6 @@ static inline int sctp_list_single_entry(struct list_head *head) return (head->next != head) && (head->next == head->prev); } -/* Break down data chunks at this point. */ -static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu) -{ - struct sctp_sock *sp = sctp_sk(asoc->base.sk); - struct sctp_af *af = sp->pf->af; - int frag = pmtu; - - frag -= af->ip_options_len(asoc->base.sk); - frag -= af->net_header_len; - frag -= sizeof(struct sctphdr) + sctp_datachk_len(&asoc->stream); - - if (asoc->user_frag) - frag = min_t(int, frag, asoc->user_frag); - - frag = SCTP_TRUNC4(min_t(int, frag, SCTP_MAX_CHUNK_LEN - - sctp_datachk_len(&asoc->stream))); - - return frag; -} - static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc) { sctp_assoc_sync_pmtu(asoc); diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index c5e244be8f1e..ebf809eed33a 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -2097,6 +2097,7 @@ int sctp_assoc_update(struct sctp_association *old, __u32 sctp_association_get_next_tsn(struct sctp_association *); +void sctp_assoc_update_frag_point(struct sctp_association *asoc); void sctp_assoc_set_pmtu(struct sctp_association *asoc, __u32 pmtu); void sctp_assoc_sync_pmtu(struct sctp_association *asoc); void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int); |