diff options
Diffstat (limited to 'sys/netipsec/xform_ipcomp.c')
| -rw-r--r-- | sys/netipsec/xform_ipcomp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/netipsec/xform_ipcomp.c b/sys/netipsec/xform_ipcomp.c index 75b3d75..aee9382 100644 --- a/sys/netipsec/xform_ipcomp.c +++ b/sys/netipsec/xform_ipcomp.c @@ -174,6 +174,15 @@ ipcomp_input(struct mbuf *m, struct secasvar *sav, int skip, int protoff) /* Crypto operation descriptor */ crp->crp_ilen = m->m_pkthdr.len - (skip + hlen); crp->crp_flags = CRYPTO_F_IMBUF; + /* + * When using crypto support the operates "synchronously" (e.g. + * software crypto) mark the operation for immediate callback to + * avoid the context switch. This increases the amount of kernel + * stack required to process a frame but we assume there is enough + * to do this. + */ + if (CRYPTO_SESID2CAPS(sav->tdb_cryptoid) & CRYPTOCAP_F_SYNC) + crp->crp_flags |= CRYPTO_F_CBIMM; crp->crp_buf = (caddr_t) m; crp->crp_callback = ipcomp_input_cb; crp->crp_sid = sav->tdb_cryptoid; @@ -478,6 +487,15 @@ ipcomp_output( /* Crypto operation descriptor */ crp->crp_ilen = m->m_pkthdr.len; /* Total input length */ crp->crp_flags = CRYPTO_F_IMBUF; + /* + * When using crypto support the operates "synchronously" (e.g. + * software crypto) mark the operation for immediate callback to + * avoid the context switch. This increases the amount of kernel + * stack required to process a frame but we assume there is enough + * to do this. + */ + if (CRYPTO_SESID2CAPS(sav->tdb_cryptoid) & CRYPTOCAP_F_SYNC) + crp->crp_flags |= CRYPTO_F_CBIMM; crp->crp_buf = (caddr_t) m; crp->crp_callback = ipcomp_output_cb; crp->crp_opaque = (caddr_t) tc; |
