diff options
Diffstat (limited to 'sys')
-rw-r--r-- | sys/crypto/crypto.c | 32 | ||||
-rw-r--r-- | sys/crypto/cryptodev.h | 3 | ||||
-rw-r--r-- | sys/netinet/ip_ah.c | 10 | ||||
-rw-r--r-- | sys/netinet/ip_esp.c | 10 | ||||
-rw-r--r-- | sys/netinet/ip_ipcomp.c | 10 | ||||
-rw-r--r-- | sys/netinet/ipsec_input.c | 21 | ||||
-rw-r--r-- | sys/netinet/ipsec_output.c | 22 |
7 files changed, 51 insertions, 57 deletions
diff --git a/sys/crypto/crypto.c b/sys/crypto/crypto.c index 4f3f1f85509..bff6dd4a97c 100644 --- a/sys/crypto/crypto.c +++ b/sys/crypto/crypto.c @@ -1,4 +1,4 @@ -/* $OpenBSD: crypto.c,v 1.84 2021/07/21 11:11:41 bluhm Exp $ */ +/* $OpenBSD: crypto.c,v 1.85 2021/07/26 21:27:56 bluhm Exp $ */ /* * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) * @@ -387,23 +387,32 @@ crypto_unregister(u_int32_t driverid, int alg) int crypto_dispatch(struct cryptop *crp) { - struct taskq *tq = crypto_taskq; - int error = 0, s; + int error = 0, lock = 1, s; u_int32_t hid; s = splvm(); hid = (crp->crp_sid >> 32) & 0xffffffff; if (hid < crypto_drivers_num) { if (crypto_drivers[hid].cc_flags & CRYPTOCAP_F_MPSAFE) - tq = crypto_taskq_mpsafe; + lock = 0; } splx(s); - if ((crp->crp_flags & CRYPTO_F_NOQUEUE) == 0) { + /* XXXSMP crypto_invoke() is not MP safe */ + lock = 1; + + if (crp->crp_flags & CRYPTO_F_NOQUEUE) { + if (lock) + KERNEL_LOCK(); + error = crypto_invoke(crp); + if (lock) + KERNEL_UNLOCK(); + } else { + struct taskq *tq; + + tq = lock ? crypto_taskq : crypto_taskq_mpsafe; task_set(&crp->crp_task, (void (*))crypto_invoke, crp); task_add(tq, &crp->crp_task); - } else { - error = crypto_invoke(crp); } return error; @@ -424,6 +433,8 @@ crypto_invoke(struct cryptop *crp) if (crp == NULL || crp->crp_callback == NULL) return EINVAL; + KERNEL_ASSERT_LOCKED(); + s = splvm(); if (crp->crp_ndesc < 1 || crypto_drivers == NULL) { crp->crp_etype = EINVAL; @@ -535,11 +546,16 @@ void crypto_done(struct cryptop *crp) { crp->crp_flags |= CRYPTO_F_DONE; + if (crp->crp_flags & CRYPTO_F_NOQUEUE) { /* not from the crypto queue, wakeup the userland process */ crp->crp_callback(crp); } else { + struct taskq *tq; + + tq = (crp->crp_flags & CRYPTO_F_MPSAFE) ? + crypto_taskq_mpsafe : crypto_taskq; task_set(&crp->crp_task, (void (*))crp->crp_callback, crp); - task_add(crypto_taskq, &crp->crp_task); + task_add(tq, &crp->crp_task); } } diff --git a/sys/crypto/cryptodev.h b/sys/crypto/cryptodev.h index 42ef0c58e8c..10bb1a6f625 100644 --- a/sys/crypto/cryptodev.h +++ b/sys/crypto/cryptodev.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cryptodev.h,v 1.73 2021/07/09 20:43:28 mvs Exp $ */ +/* $OpenBSD: cryptodev.h,v 1.74 2021/07/26 21:27:56 bluhm Exp $ */ /* * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) @@ -171,6 +171,7 @@ struct cryptop { #define CRYPTO_F_IMBUF 0x0001 /* Input/output are mbuf chains, otherwise contig */ #define CRYPTO_F_IOV 0x0002 /* Input/output are uio */ +#define CRYPTO_F_MPSAFE 0x0004 /* Do not use kernel lock for callback */ #define CRYPTO_F_NOQUEUE 0x0008 /* Don't use crypto queue/thread */ #define CRYPTO_F_DONE 0x0010 /* request completed */ diff --git a/sys/netinet/ip_ah.c b/sys/netinet/ip_ah.c index b9c4ffab16c..70a0c173a69 100644 --- a/sys/netinet/ip_ah.c +++ b/sys/netinet/ip_ah.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_ah.c,v 1.151 2021/07/18 14:38:20 bluhm Exp $ */ +/* $OpenBSD: ip_ah.c,v 1.152 2021/07/26 21:27:56 bluhm Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and @@ -684,7 +684,7 @@ ah_input(struct mbuf *m, struct tdb *tdb, int skip, int protoff) /* Crypto operation descriptor. */ crp->crp_ilen = m->m_pkthdr.len; /* Total input length. */ - crp->crp_flags = CRYPTO_F_IMBUF; + crp->crp_flags = CRYPTO_F_IMBUF | CRYPTO_F_MPSAFE | CRYPTO_F_NOQUEUE; crp->crp_buf = (caddr_t)m; crp->crp_callback = ipsec_input_cb; crp->crp_sid = tdb->tdb_cryptoid; @@ -699,9 +699,7 @@ ah_input(struct mbuf *m, struct tdb *tdb, int skip, int protoff) memcpy(&tc->tc_dst, &tdb->tdb_dst, sizeof(union sockaddr_union)); tc->tc_rpl = tdb->tdb_rpl; - KERNEL_LOCK(); error = crypto_dispatch(crp); - KERNEL_UNLOCK(); return error; drop: @@ -1134,7 +1132,7 @@ ah_output(struct mbuf *m, struct tdb *tdb, struct mbuf **mp, int skip, /* Crypto operation descriptor. */ crp->crp_ilen = m->m_pkthdr.len; /* Total input length. */ - crp->crp_flags = CRYPTO_F_IMBUF; + crp->crp_flags = CRYPTO_F_IMBUF | CRYPTO_F_MPSAFE | CRYPTO_F_NOQUEUE; crp->crp_buf = (caddr_t)m; crp->crp_callback = ipsec_output_cb; crp->crp_sid = tdb->tdb_cryptoid; @@ -1148,9 +1146,7 @@ ah_output(struct mbuf *m, struct tdb *tdb, struct mbuf **mp, int skip, tc->tc_rdomain = tdb->tdb_rdomain; memcpy(&tc->tc_dst, &tdb->tdb_dst, sizeof(union sockaddr_union)); - KERNEL_LOCK(); error = crypto_dispatch(crp); - KERNEL_UNLOCK(); return error; drop: diff --git a/sys/netinet/ip_esp.c b/sys/netinet/ip_esp.c index 11a323f34ef..7865c9a41ee 100644 --- a/sys/netinet/ip_esp.c +++ b/sys/netinet/ip_esp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_esp.c,v 1.169 2021/07/18 14:38:20 bluhm Exp $ */ +/* $OpenBSD: ip_esp.c,v 1.170 2021/07/26 21:27:57 bluhm Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and @@ -498,7 +498,7 @@ esp_input(struct mbuf *m, struct tdb *tdb, int skip, int protoff) /* Crypto operation descriptor */ crp->crp_ilen = m->m_pkthdr.len; /* Total input length */ - crp->crp_flags = CRYPTO_F_IMBUF; + crp->crp_flags = CRYPTO_F_IMBUF | CRYPTO_F_MPSAFE | CRYPTO_F_NOQUEUE; crp->crp_buf = (caddr_t)m; crp->crp_callback = ipsec_input_cb; crp->crp_sid = tdb->tdb_cryptoid; @@ -528,9 +528,7 @@ esp_input(struct mbuf *m, struct tdb *tdb, int skip, int protoff) crde->crd_len = m->m_pkthdr.len - (skip + hlen + alen); } - KERNEL_LOCK(); error = crypto_dispatch(crp); - KERNEL_UNLOCK(); return error; drop: @@ -983,7 +981,7 @@ esp_output(struct mbuf *m, struct tdb *tdb, struct mbuf **mp, int skip, /* Crypto operation descriptor. */ crp->crp_ilen = m->m_pkthdr.len; /* Total input length. */ - crp->crp_flags = CRYPTO_F_IMBUF; + crp->crp_flags = CRYPTO_F_IMBUF | CRYPTO_F_MPSAFE | CRYPTO_F_NOQUEUE; crp->crp_buf = (caddr_t)m; crp->crp_callback = ipsec_output_cb; crp->crp_opaque = (caddr_t)tc; @@ -1015,9 +1013,7 @@ esp_output(struct mbuf *m, struct tdb *tdb, struct mbuf **mp, int skip, crda->crd_len = m->m_pkthdr.len - (skip + alen); } - KERNEL_LOCK(); error = crypto_dispatch(crp); - KERNEL_UNLOCK(); return error; drop: diff --git a/sys/netinet/ip_ipcomp.c b/sys/netinet/ip_ipcomp.c index 1b29d702593..d7f53d153f7 100644 --- a/sys/netinet/ip_ipcomp.c +++ b/sys/netinet/ip_ipcomp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_ipcomp.c,v 1.71 2021/07/08 21:07:19 bluhm Exp $ */ +/* $OpenBSD: ip_ipcomp.c,v 1.72 2021/07/26 21:27:57 bluhm Exp $ */ /* * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org) @@ -174,7 +174,7 @@ ipcomp_input(struct mbuf *m, struct tdb *tdb, int skip, int protoff) /* Crypto operation descriptor */ crp->crp_ilen = m->m_pkthdr.len - (skip + hlen); - crp->crp_flags = CRYPTO_F_IMBUF; + crp->crp_flags = CRYPTO_F_IMBUF | CRYPTO_F_MPSAFE | CRYPTO_F_NOQUEUE; crp->crp_buf = (caddr_t)m; crp->crp_callback = ipsec_input_cb; crp->crp_sid = tdb->tdb_cryptoid; @@ -188,9 +188,7 @@ ipcomp_input(struct mbuf *m, struct tdb *tdb, int skip, int protoff) tc->tc_rdomain = tdb->tdb_rdomain; tc->tc_dst = tdb->tdb_dst; - KERNEL_LOCK(); error = crypto_dispatch(crp); - KERNEL_UNLOCK(); return error; } @@ -479,15 +477,13 @@ ipcomp_output(struct mbuf *m, struct tdb *tdb, struct mbuf **mp, int skip, /* Crypto operation descriptor */ crp->crp_ilen = m->m_pkthdr.len; /* Total input length */ - crp->crp_flags = CRYPTO_F_IMBUF; + crp->crp_flags = CRYPTO_F_IMBUF | CRYPTO_F_MPSAFE | CRYPTO_F_NOQUEUE; crp->crp_buf = (caddr_t)m; crp->crp_callback = ipsec_output_cb; crp->crp_opaque = (caddr_t)tc; crp->crp_sid = tdb->tdb_cryptoid; - KERNEL_LOCK(); error = crypto_dispatch(crp); - KERNEL_UNLOCK(); return error; drop: diff --git a/sys/netinet/ipsec_input.c b/sys/netinet/ipsec_input.c index ba4b92a572f..1271038d7b8 100644 --- a/sys/netinet/ipsec_input.c +++ b/sys/netinet/ipsec_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ipsec_input.c,v 1.176 2021/07/21 12:23:32 bluhm Exp $ */ +/* $OpenBSD: ipsec_input.c,v 1.177 2021/07/26 21:27:57 bluhm Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and @@ -380,21 +380,19 @@ ipsec_input_cb(struct cryptop *crp) struct tdb *tdb = NULL; int clen, error; - KERNEL_ASSERT_LOCKED(); + NET_ASSERT_LOCKED(); if (m == NULL) { DPRINTF("bogus returned buffer from crypto"); ipsecstat_inc(ipsec_crypto); - goto droponly; + goto drop; } - - NET_LOCK(); tdb = gettdb(tc->tc_rdomain, tc->tc_spi, &tc->tc_dst, tc->tc_proto); if (tdb == NULL) { DPRINTF("TDB is expired while in crypto"); ipsecstat_inc(ipsec_notdb); - goto baddone; + goto drop; } /* Check for crypto errors */ @@ -403,18 +401,16 @@ ipsec_input_cb(struct cryptop *crp) /* Reset the session ID */ if (tdb->tdb_cryptoid != 0) tdb->tdb_cryptoid = crp->crp_sid; - NET_UNLOCK(); error = crypto_dispatch(crp); if (error) { DPRINTF("crypto dispatch error %d", error); - ipsecstat_inc(ipsec_idrops); - tdb->tdb_idrops++; + goto drop; } return; } DPRINTF("crypto error %d", crp->crp_etype); ipsecstat_inc(ipsec_noxform); - goto baddone; + goto drop; } /* Length of data after processing */ @@ -438,16 +434,13 @@ ipsec_input_cb(struct cryptop *crp) __func__, tdb->tdb_sproto); } - NET_UNLOCK(); if (error) { ipsecstat_inc(ipsec_idrops); tdb->tdb_idrops++; } return; - baddone: - NET_UNLOCK(); - droponly: + drop: ipsecstat_inc(ipsec_idrops); if (tdb != NULL) tdb->tdb_idrops++; diff --git a/sys/netinet/ipsec_output.c b/sys/netinet/ipsec_output.c index 9f39a532930..59997701e9d 100644 --- a/sys/netinet/ipsec_output.c +++ b/sys/netinet/ipsec_output.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ipsec_output.c,v 1.83 2021/07/21 11:11:41 bluhm Exp $ */ +/* $OpenBSD: ipsec_output.c,v 1.84 2021/07/26 21:27:57 bluhm Exp $ */ /* * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) * @@ -395,20 +395,19 @@ ipsec_output_cb(struct cryptop *crp) struct tdb *tdb = NULL; int error, ilen, olen; - KERNEL_ASSERT_LOCKED(); + NET_ASSERT_LOCKED(); if (m == NULL) { DPRINTF("bogus returned buffer from crypto"); ipsecstat_inc(ipsec_crypto); - goto droponly; + goto drop; } - NET_LOCK(); tdb = gettdb(tc->tc_rdomain, tc->tc_spi, &tc->tc_dst, tc->tc_proto); if (tdb == NULL) { DPRINTF("TDB is expired while in crypto"); ipsecstat_inc(ipsec_notdb); - goto baddone; + goto drop; } /* Check for crypto errors. */ @@ -417,18 +416,16 @@ ipsec_output_cb(struct cryptop *crp) /* Reset the session ID */ if (tdb->tdb_cryptoid != 0) tdb->tdb_cryptoid = crp->crp_sid; - NET_UNLOCK(); error = crypto_dispatch(crp); if (error) { DPRINTF("crypto dispatch error %d", error); - ipsecstat_inc(ipsec_odrops); - tdb->tdb_odrops++; + goto drop; } return; } DPRINTF("crypto error %d", crp->crp_etype); ipsecstat_inc(ipsec_noxform); - goto baddone; + goto drop; } olen = crp->crp_olen; @@ -452,16 +449,13 @@ ipsec_output_cb(struct cryptop *crp) __func__, tdb->tdb_sproto); } - NET_UNLOCK(); if (error) { ipsecstat_inc(ipsec_odrops); tdb->tdb_odrops++; } return; - baddone: - NET_UNLOCK(); - droponly: + drop: if (tdb != NULL) tdb->tdb_odrops++; m_freem(m); @@ -485,6 +479,8 @@ ipsp_process_done(struct mbuf *m, struct tdb *tdb) struct m_tag *mtag; int roff, error; + NET_ASSERT_LOCKED(); + tdb->tdb_last_used = gettime(); if ((tdb->tdb_flags & TDBF_UDPENCAP) != 0) { |