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-rw-r--r--net/atm/common.c2
-rw-r--r--net/bluetooth/Makefile2
-rw-r--r--net/bluetooth/l2cap_core.c6
-rw-r--r--net/ceph/auth.c4
-rw-r--r--net/ceph/auth_x.c197
-rw-r--r--net/ceph/auth_x.h3
-rw-r--r--net/ceph/crush/mapper.c2
-rw-r--r--net/ceph/crypto.c461
-rw-r--r--net/ceph/crypto.h26
-rw-r--r--net/ceph/messenger.c19
-rw-r--r--net/ceph/mon_client.c12
-rw-r--r--net/ceph/osd_client.c39
-rw-r--r--net/core/dev.c18
-rw-r--r--net/core/flow.c60
-rw-r--r--net/core/net_namespace.c35
-rw-r--r--net/ieee802154/6lowpan/6lowpan_i.h2
-rw-r--r--net/ieee802154/Makefile2
-rw-r--r--net/ipv4/ip_output.c4
-rw-r--r--net/ipv4/ping.c8
-rw-r--r--net/iucv/iucv.c124
-rw-r--r--net/mac80211/Makefile2
-rw-r--r--net/mac80211/ieee80211_i.h4
-rw-r--r--net/mac802154/Makefile2
-rw-r--r--net/packet/af_packet.c5
-rw-r--r--net/rds/rdma_transport.c5
-rw-r--r--net/rxrpc/af_rxrpc.c11
-rw-r--r--net/rxrpc/conn_client.c4
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c7
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_crypto.c12
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_mech.c3
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c2
-rw-r--r--net/sunrpc/clnt.c2
-rw-r--r--net/sunrpc/stats.c10
-rw-r--r--net/sunrpc/svc.c14
-rw-r--r--net/sunrpc/svcauth.c3
-rw-r--r--net/sunrpc/xprt.c3
-rw-r--r--net/sunrpc/xprtrdma/backchannel.c4
-rw-r--r--net/sunrpc/xprtrdma/frwr_ops.c94
-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c36
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_backchannel.c5
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_recvfrom.c21
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c116
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c94
-rw-r--r--net/sunrpc/xprtrdma/transport.c34
-rw-r--r--net/sunrpc/xprtrdma/verbs.c37
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h31
-rw-r--r--net/tipc/msg.c4
-rw-r--r--net/unix/af_unix.c6
-rw-r--r--net/vmw_vsock/virtio_transport.c2
-rw-r--r--net/vmw_vsock/virtio_transport_common.c17
-rw-r--r--net/wireless/Makefile2
-rw-r--r--net/xfrm/xfrm_policy.c1
52 files changed, 632 insertions, 987 deletions
diff --git a/net/atm/common.c b/net/atm/common.c
index 6dc12305799e..a3ca922d307b 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -630,7 +630,7 @@ int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t size)
goto out;
skb->dev = NULL; /* for paths shared with net_device interfaces */
ATM_SKB(skb)->atm_options = vcc->atm_options;
- if (copy_from_iter(skb_put(skb, size), size, &m->msg_iter) != size) {
+ if (!copy_from_iter_full(skb_put(skb, size), size, &m->msg_iter)) {
kfree_skb(skb);
error = -EFAULT;
goto out;
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index b3ff12eb9b6d..4bfaa19a5573 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -20,5 +20,3 @@ bluetooth-$(CONFIG_BT_HS) += a2mp.o amp.o
bluetooth-$(CONFIG_BT_LEDS) += leds.o
bluetooth-$(CONFIG_BT_DEBUGFS) += hci_debugfs.o
bluetooth-$(CONFIG_BT_SELFTEST) += selftest.o
-
-subdir-ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 577f1c01454a..ce0b5dd01953 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2127,7 +2127,7 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
struct sk_buff **frag;
int sent = 0;
- if (copy_from_iter(skb_put(skb, count), count, &msg->msg_iter) != count)
+ if (!copy_from_iter_full(skb_put(skb, count), count, &msg->msg_iter))
return -EFAULT;
sent += count;
@@ -2147,8 +2147,8 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
*frag = tmp;
- if (copy_from_iter(skb_put(*frag, count), count,
- &msg->msg_iter) != count)
+ if (!copy_from_iter_full(skb_put(*frag, count), count,
+ &msg->msg_iter))
return -EFAULT;
sent += count;
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index c822b3ae1bd3..48bb8d95195b 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -315,13 +315,13 @@ int ceph_auth_update_authorizer(struct ceph_auth_client *ac,
EXPORT_SYMBOL(ceph_auth_update_authorizer);
int ceph_auth_verify_authorizer_reply(struct ceph_auth_client *ac,
- struct ceph_authorizer *a, size_t len)
+ struct ceph_authorizer *a)
{
int ret = 0;
mutex_lock(&ac->mutex);
if (ac->ops && ac->ops->verify_authorizer_reply)
- ret = ac->ops->verify_authorizer_reply(ac, a, len);
+ ret = ac->ops->verify_authorizer_reply(ac, a);
mutex_unlock(&ac->mutex);
return ret;
}
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index a0905f04bd13..2034fb926670 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -39,56 +39,58 @@ static int ceph_x_should_authenticate(struct ceph_auth_client *ac)
return need != 0;
}
+static int ceph_x_encrypt_offset(void)
+{
+ return sizeof(u32) + sizeof(struct ceph_x_encrypt_header);
+}
+
static int ceph_x_encrypt_buflen(int ilen)
{
- return sizeof(struct ceph_x_encrypt_header) + ilen + 16 +
- sizeof(u32);
+ return ceph_x_encrypt_offset() + ilen + 16;
}
-static int ceph_x_encrypt(struct ceph_crypto_key *secret,
- void *ibuf, int ilen, void *obuf, size_t olen)
+static int ceph_x_encrypt(struct ceph_crypto_key *secret, void *buf,
+ int buf_len, int plaintext_len)
{
- struct ceph_x_encrypt_header head = {
- .struct_v = 1,
- .magic = cpu_to_le64(CEPHX_ENC_MAGIC)
- };
- size_t len = olen - sizeof(u32);
+ struct ceph_x_encrypt_header *hdr = buf + sizeof(u32);
+ int ciphertext_len;
int ret;
- ret = ceph_encrypt2(secret, obuf + sizeof(u32), &len,
- &head, sizeof(head), ibuf, ilen);
+ hdr->struct_v = 1;
+ hdr->magic = cpu_to_le64(CEPHX_ENC_MAGIC);
+
+ ret = ceph_crypt(secret, true, buf + sizeof(u32), buf_len - sizeof(u32),
+ plaintext_len + sizeof(struct ceph_x_encrypt_header),
+ &ciphertext_len);
if (ret)
return ret;
- ceph_encode_32(&obuf, len);
- return len + sizeof(u32);
+
+ ceph_encode_32(&buf, ciphertext_len);
+ return sizeof(u32) + ciphertext_len;
}
-static int ceph_x_decrypt(struct ceph_crypto_key *secret,
- void **p, void *end, void **obuf, size_t olen)
+static int ceph_x_decrypt(struct ceph_crypto_key *secret, void **p, void *end)
{
- struct ceph_x_encrypt_header head;
- size_t head_len = sizeof(head);
- int len, ret;
-
- len = ceph_decode_32(p);
- if (*p + len > end)
- return -EINVAL;
+ struct ceph_x_encrypt_header *hdr = *p + sizeof(u32);
+ int ciphertext_len, plaintext_len;
+ int ret;
- dout("ceph_x_decrypt len %d\n", len);
- if (*obuf == NULL) {
- *obuf = kmalloc(len, GFP_NOFS);
- if (!*obuf)
- return -ENOMEM;
- olen = len;
- }
+ ceph_decode_32_safe(p, end, ciphertext_len, e_inval);
+ ceph_decode_need(p, end, ciphertext_len, e_inval);
- ret = ceph_decrypt2(secret, &head, &head_len, *obuf, &olen, *p, len);
+ ret = ceph_crypt(secret, false, *p, end - *p, ciphertext_len,
+ &plaintext_len);
if (ret)
return ret;
- if (head.struct_v != 1 || le64_to_cpu(head.magic) != CEPHX_ENC_MAGIC)
+
+ if (hdr->struct_v != 1 || le64_to_cpu(hdr->magic) != CEPHX_ENC_MAGIC)
return -EPERM;
- *p += len;
- return olen;
+
+ *p += ciphertext_len;
+ return plaintext_len - sizeof(struct ceph_x_encrypt_header);
+
+e_inval:
+ return -EINVAL;
}
/*
@@ -143,13 +145,10 @@ static int process_one_ticket(struct ceph_auth_client *ac,
int type;
u8 tkt_struct_v, blob_struct_v;
struct ceph_x_ticket_handler *th;
- void *dbuf = NULL;
void *dp, *dend;
int dlen;
char is_enc;
struct timespec validity;
- struct ceph_crypto_key old_key;
- void *ticket_buf = NULL;
void *tp, *tpend;
void **ptp;
struct ceph_crypto_key new_session_key;
@@ -174,20 +173,17 @@ static int process_one_ticket(struct ceph_auth_client *ac,
}
/* blob for me */
- dlen = ceph_x_decrypt(secret, p, end, &dbuf, 0);
- if (dlen <= 0) {
- ret = dlen;
+ dp = *p + ceph_x_encrypt_offset();
+ ret = ceph_x_decrypt(secret, p, end);
+ if (ret < 0)
goto out;
- }
- dout(" decrypted %d bytes\n", dlen);
- dp = dbuf;
- dend = dp + dlen;
+ dout(" decrypted %d bytes\n", ret);
+ dend = dp + ret;
tkt_struct_v = ceph_decode_8(&dp);
if (tkt_struct_v != 1)
goto bad;
- memcpy(&old_key, &th->session_key, sizeof(old_key));
ret = ceph_crypto_key_decode(&new_session_key, &dp, dend);
if (ret)
goto out;
@@ -203,15 +199,13 @@ static int process_one_ticket(struct ceph_auth_client *ac,
ceph_decode_8_safe(p, end, is_enc, bad);
if (is_enc) {
/* encrypted */
- dout(" encrypted ticket\n");
- dlen = ceph_x_decrypt(&old_key, p, end, &ticket_buf, 0);
- if (dlen < 0) {
- ret = dlen;
+ tp = *p + ceph_x_encrypt_offset();
+ ret = ceph_x_decrypt(&th->session_key, p, end);
+ if (ret < 0)
goto out;
- }
- tp = ticket_buf;
+ dout(" encrypted ticket, decrypted %d bytes\n", ret);
ptp = &tp;
- tpend = *ptp + dlen;
+ tpend = tp + ret;
} else {
/* unencrypted */
ptp = p;
@@ -242,8 +236,6 @@ static int process_one_ticket(struct ceph_auth_client *ac,
xi->have_keys |= th->service;
out:
- kfree(ticket_buf);
- kfree(dbuf);
return ret;
bad:
@@ -294,7 +286,7 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
{
int maxlen;
struct ceph_x_authorize_a *msg_a;
- struct ceph_x_authorize_b msg_b;
+ struct ceph_x_authorize_b *msg_b;
void *p, *end;
int ret;
int ticket_blob_len =
@@ -308,8 +300,8 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
if (ret)
goto out_au;
- maxlen = sizeof(*msg_a) + sizeof(msg_b) +
- ceph_x_encrypt_buflen(ticket_blob_len);
+ maxlen = sizeof(*msg_a) + ticket_blob_len +
+ ceph_x_encrypt_buflen(sizeof(*msg_b));
dout(" need len %d\n", maxlen);
if (au->buf && au->buf->alloc_len < maxlen) {
ceph_buffer_put(au->buf);
@@ -343,18 +335,19 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
p += ticket_blob_len;
end = au->buf->vec.iov_base + au->buf->vec.iov_len;
+ msg_b = p + ceph_x_encrypt_offset();
+ msg_b->struct_v = 1;
get_random_bytes(&au->nonce, sizeof(au->nonce));
- msg_b.struct_v = 1;
- msg_b.nonce = cpu_to_le64(au->nonce);
- ret = ceph_x_encrypt(&au->session_key, &msg_b, sizeof(msg_b),
- p, end - p);
+ msg_b->nonce = cpu_to_le64(au->nonce);
+ ret = ceph_x_encrypt(&au->session_key, p, end - p, sizeof(*msg_b));
if (ret < 0)
goto out_au;
+
p += ret;
+ WARN_ON(p > end);
au->buf->vec.iov_len = p - au->buf->vec.iov_base;
dout(" built authorizer nonce %llx len %d\n", au->nonce,
(int)au->buf->vec.iov_len);
- BUG_ON(au->buf->vec.iov_len > maxlen);
return 0;
out_au:
@@ -452,8 +445,9 @@ static int ceph_x_build_request(struct ceph_auth_client *ac,
if (need & CEPH_ENTITY_TYPE_AUTH) {
struct ceph_x_authenticate *auth = (void *)(head + 1);
void *p = auth + 1;
- struct ceph_x_challenge_blob tmp;
- char tmp_enc[40];
+ void *enc_buf = xi->auth_authorizer.enc_buf;
+ struct ceph_x_challenge_blob *blob = enc_buf +
+ ceph_x_encrypt_offset();
u64 *u;
if (p > end)
@@ -464,16 +458,16 @@ static int ceph_x_build_request(struct ceph_auth_client *ac,
/* encrypt and hash */
get_random_bytes(&auth->client_challenge, sizeof(u64));
- tmp.client_challenge = auth->client_challenge;
- tmp.server_challenge = cpu_to_le64(xi->server_challenge);
- ret = ceph_x_encrypt(&xi->secret, &tmp, sizeof(tmp),
- tmp_enc, sizeof(tmp_enc));
+ blob->client_challenge = auth->client_challenge;
+ blob->server_challenge = cpu_to_le64(xi->server_challenge);
+ ret = ceph_x_encrypt(&xi->secret, enc_buf, CEPHX_AU_ENC_BUF_LEN,
+ sizeof(*blob));
if (ret < 0)
return ret;
auth->struct_v = 1;
auth->key = 0;
- for (u = (u64 *)tmp_enc; u + 1 <= (u64 *)(tmp_enc + ret); u++)
+ for (u = (u64 *)enc_buf; u + 1 <= (u64 *)(enc_buf + ret); u++)
auth->key ^= *(__le64 *)u;
dout(" server_challenge %llx client_challenge %llx key %llx\n",
xi->server_challenge, le64_to_cpu(auth->client_challenge),
@@ -600,8 +594,8 @@ static int ceph_x_create_authorizer(
auth->authorizer = (struct ceph_authorizer *) au;
auth->authorizer_buf = au->buf->vec.iov_base;
auth->authorizer_buf_len = au->buf->vec.iov_len;
- auth->authorizer_reply_buf = au->reply_buf;
- auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
+ auth->authorizer_reply_buf = au->enc_buf;
+ auth->authorizer_reply_buf_len = CEPHX_AU_ENC_BUF_LEN;
auth->sign_message = ac->ops->sign_message;
auth->check_message_signature = ac->ops->check_message_signature;
@@ -629,27 +623,25 @@ static int ceph_x_update_authorizer(
}
static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac,
- struct ceph_authorizer *a, size_t len)
+ struct ceph_authorizer *a)
{
struct ceph_x_authorizer *au = (void *)a;
- int ret = 0;
- struct ceph_x_authorize_reply reply;
- void *preply = &reply;
- void *p = au->reply_buf;
- void *end = p + sizeof(au->reply_buf);
+ void *p = au->enc_buf;
+ struct ceph_x_authorize_reply *reply = p + ceph_x_encrypt_offset();
+ int ret;
- ret = ceph_x_decrypt(&au->session_key, &p, end, &preply, sizeof(reply));
+ ret = ceph_x_decrypt(&au->session_key, &p, p + CEPHX_AU_ENC_BUF_LEN);
if (ret < 0)
return ret;
- if (ret != sizeof(reply))
+ if (ret != sizeof(*reply))
return -EPERM;
- if (au->nonce + 1 != le64_to_cpu(reply.nonce_plus_one))
+ if (au->nonce + 1 != le64_to_cpu(reply->nonce_plus_one))
ret = -EPERM;
else
ret = 0;
dout("verify_authorizer_reply nonce %llx got %llx ret %d\n",
- au->nonce, le64_to_cpu(reply.nonce_plus_one), ret);
+ au->nonce, le64_to_cpu(reply->nonce_plus_one), ret);
return ret;
}
@@ -704,35 +696,48 @@ static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,
invalidate_ticket(ac, CEPH_ENTITY_TYPE_AUTH);
}
-static int calcu_signature(struct ceph_x_authorizer *au,
- struct ceph_msg *msg, __le64 *sig)
+static int calc_signature(struct ceph_x_authorizer *au, struct ceph_msg *msg,
+ __le64 *psig)
{
+ void *enc_buf = au->enc_buf;
+ struct {
+ __le32 len;
+ __le32 header_crc;
+ __le32 front_crc;
+ __le32 middle_crc;
+ __le32 data_crc;
+ } __packed *sigblock = enc_buf + ceph_x_encrypt_offset();
int ret;
- char tmp_enc[40];
- __le32 tmp[5] = {
- cpu_to_le32(16), msg->hdr.crc, msg->footer.front_crc,
- msg->footer.middle_crc, msg->footer.data_crc,
- };
- ret = ceph_x_encrypt(&au->session_key, &tmp, sizeof(tmp),
- tmp_enc, sizeof(tmp_enc));
+
+ sigblock->len = cpu_to_le32(4*sizeof(u32));
+ sigblock->header_crc = msg->hdr.crc;
+ sigblock->front_crc = msg->footer.front_crc;
+ sigblock->middle_crc = msg->footer.middle_crc;
+ sigblock->data_crc = msg->footer.data_crc;
+ ret = ceph_x_encrypt(&au->session_key, enc_buf, CEPHX_AU_ENC_BUF_LEN,
+ sizeof(*sigblock));
if (ret < 0)
return ret;
- *sig = *(__le64*)(tmp_enc + 4);
+
+ *psig = *(__le64 *)(enc_buf + sizeof(u32));
return 0;
}
static int ceph_x_sign_message(struct ceph_auth_handshake *auth,
struct ceph_msg *msg)
{
+ __le64 sig;
int ret;
if (ceph_test_opt(from_msgr(msg->con->msgr), NOMSGSIGN))
return 0;
- ret = calcu_signature((struct ceph_x_authorizer *)auth->authorizer,
- msg, &msg->footer.sig);
- if (ret < 0)
+ ret = calc_signature((struct ceph_x_authorizer *)auth->authorizer,
+ msg, &sig);
+ if (ret)
return ret;
+
+ msg->footer.sig = sig;
msg->footer.flags |= CEPH_MSG_FOOTER_SIGNED;
return 0;
}
@@ -746,9 +751,9 @@ static int ceph_x_check_message_signature(struct ceph_auth_handshake *auth,
if (ceph_test_opt(from_msgr(msg->con->msgr), NOMSGSIGN))
return 0;
- ret = calcu_signature((struct ceph_x_authorizer *)auth->authorizer,
- msg, &sig_check);
- if (ret < 0)
+ ret = calc_signature((struct ceph_x_authorizer *)auth->authorizer,
+ msg, &sig_check);
+ if (ret)
return ret;
if (sig_check == msg->footer.sig)
return 0;
diff --git a/net/ceph/auth_x.h b/net/ceph/auth_x.h
index 21a5af904bae..48e9ad41bd2a 100644
--- a/net/ceph/auth_x.h
+++ b/net/ceph/auth_x.h
@@ -24,6 +24,7 @@ struct ceph_x_ticket_handler {
unsigned long renew_after, expires;
};
+#define CEPHX_AU_ENC_BUF_LEN 128 /* big enough for encrypted blob */
struct ceph_x_authorizer {
struct ceph_authorizer base;
@@ -32,7 +33,7 @@ struct ceph_x_authorizer {
unsigned int service;
u64 nonce;
u64 secret_id;
- char reply_buf[128]; /* big enough for encrypted blob */
+ char enc_buf[CEPHX_AU_ENC_BUF_LEN] __aligned(8);
};
struct ceph_x_info {
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index a421e905331a..130ab407c5ec 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -17,10 +17,12 @@
# include <linux/kernel.h>
# include <linux/crush/crush.h>
# include <linux/crush/hash.h>
+# include <linux/crush/mapper.h>
#else
# include "crush_compat.h"
# include "crush.h"
# include "hash.h"
+# include "mapper.h"
#endif
#include "crush_ln_table.h"
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index db2847ac5f12..3949ce70be07 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -13,14 +13,60 @@
#include <linux/ceph/decode.h>
#include "crypto.h"
+/*
+ * Set ->key and ->tfm. The rest of the key should be filled in before
+ * this function is called.
+ */
+static int set_secret(struct ceph_crypto_key *key, void *buf)
+{
+ unsigned int noio_flag;
+ int ret;
+
+ key->key = NULL;
+ key->tfm = NULL;
+
+ switch (key->type) {
+ case CEPH_CRYPTO_NONE:
+ return 0; /* nothing to do */
+ case CEPH_CRYPTO_AES:
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ WARN_ON(!key->len);
+ key->key = kmemdup(buf, key->len, GFP_NOIO);
+ if (!key->key) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ /* crypto_alloc_skcipher() allocates with GFP_KERNEL */
+ noio_flag = memalloc_noio_save();
+ key->tfm = crypto_alloc_skcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
+ memalloc_noio_restore(noio_flag);
+ if (IS_ERR(key->tfm)) {
+ ret = PTR_ERR(key->tfm);
+ key->tfm = NULL;
+ goto fail;
+ }
+
+ ret = crypto_skcipher_setkey(key->tfm, key->key, key->len);
+ if (ret)
+ goto fail;
+
+ return 0;
+
+fail:
+ ceph_crypto_key_destroy(key);
+ return ret;
+}
+
int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
const struct ceph_crypto_key *src)
{
memcpy(dst, src, sizeof(struct ceph_crypto_key));
- dst->key = kmemdup(src->key, src->len, GFP_NOFS);
- if (!dst->key)
- return -ENOMEM;
- return 0;
+ return set_secret(dst, src->key);
}
int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end)
@@ -37,16 +83,16 @@ int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end)
int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end)
{
+ int ret;
+
ceph_decode_need(p, end, 2*sizeof(u16) + sizeof(key->created), bad);
key->type = ceph_decode_16(p);
ceph_decode_copy(p, &key->created, sizeof(key->created));
key->len = ceph_decode_16(p);
ceph_decode_need(p, end, key->len, bad);
- key->key = kmalloc(key->len, GFP_NOFS);
- if (!key->key)
- return -ENOMEM;
- ceph_decode_copy(p, key->key, key->len);
- return 0;
+ ret = set_secret(key, *p);
+ *p += key->len;
+ return ret;
bad:
dout("failed to decode crypto key\n");
@@ -80,9 +126,14 @@ int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *inkey)
return 0;
}
-static struct crypto_skcipher *ceph_crypto_alloc_cipher(void)
+void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
{
- return crypto_alloc_skcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
+ if (key) {
+ kfree(key->key);
+ key->key = NULL;
+ crypto_free_skcipher(key->tfm);
+ key->tfm = NULL;
+ }
}
static const u8 *aes_iv = (u8 *)CEPH_AES_IV;
@@ -157,372 +208,82 @@ static void teardown_sgtable(struct sg_table *sgt)
sg_free_table(sgt);
}
-static int ceph_aes_encrypt(const void *key, int key_len,
- void *dst, size_t *dst_len,
- const void *src, size_t src_len)
+static int ceph_aes_crypt(const struct ceph_crypto_key *key, bool encrypt,
+ void *buf, int buf_len, int in_len, int *pout_len)
{
- struct scatterlist sg_in[2], prealloc_sg;
- struct sg_table sg_out;
- struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
- SKCIPHER_REQUEST_ON_STACK(req, tfm);
- int ret;
+ SKCIPHER_REQUEST_ON_STACK(req, key->tfm);
+ struct sg_table sgt;
+ struct scatterlist prealloc_sg;
char iv[AES_BLOCK_SIZE];
- size_t zero_padding = (0x10 - (src_len & 0x0f));
- char pad[16];
-
- if (IS_ERR(tfm))
- return PTR_ERR(tfm);
-
- memset(pad, zero_padding, zero_padding);
-
- *dst_len = src_len + zero_padding;
-
- sg_init_table(sg_in, 2);
- sg_set_buf(&sg_in[0], src, src_len);
- sg_set_buf(&sg_in[1], pad, zero_padding);
- ret = setup_sgtable(&sg_out, &prealloc_sg, dst, *dst_len);
- if (ret)
- goto out_tfm;
-
- crypto_skcipher_setkey((void *)tfm, key, key_len);
- memcpy(iv, aes_iv, AES_BLOCK_SIZE);
-
- skcipher_request_set_tfm(req, tfm);
- skcipher_request_set_callback(req, 0, NULL, NULL);
- skcipher_request_set_crypt(req, sg_in, sg_out.sgl,
- src_len + zero_padding, iv);
-
- /*
- print_hex_dump(KERN_ERR, "enc key: ", DUMP_PREFIX_NONE, 16, 1,
- key, key_len, 1);
- print_hex_dump(KERN_ERR, "enc src: ", DUMP_PREFIX_NONE, 16, 1,
- src, src_len, 1);
- print_hex_dump(KERN_ERR, "enc pad: ", DUMP_PREFIX_NONE, 16, 1,
- pad, zero_padding, 1);
- */
- ret = crypto_skcipher_encrypt(req);
- skcipher_request_zero(req);
- if (ret < 0) {
- pr_err("ceph_aes_crypt failed %d\n", ret);
- goto out_sg;
- }
- /*
- print_hex_dump(KERN_ERR, "enc out: ", DUMP_PREFIX_NONE, 16, 1,
- dst, *dst_len, 1);
- */
-
-out_sg:
- teardown_sgtable(&sg_out);
-out_tfm:
- crypto_free_skcipher(tfm);
- return ret;
-}
-
-static int ceph_aes_encrypt2(const void *key, int key_len, void *dst,
- size_t *dst_len,
- const void *src1, size_t src1_len,
- const void *src2, size_t src2_len)
-{
- struct scatterlist sg_in[3], prealloc_sg;
- struct sg_table sg_out;
- struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
- SKCIPHER_REQUEST_ON_STACK(req, tfm);
+ int pad_byte = AES_BLOCK_SIZE - (in_len & (AES_BLOCK_SIZE - 1));
+ int crypt_len = encrypt ? in_len + pad_byte : in_len;
int ret;
- char iv[AES_BLOCK_SIZE];
- size_t zero_padding = (0x10 - ((src1_len + src2_len) & 0x0f));
- char pad[16];
- if (IS_ERR(tfm))
- return PTR_ERR(tfm);
-
- memset(pad, zero_padding, zero_padding);
-
- *dst_len = src1_len + src2_len + zero_padding;
-
- sg_init_table(sg_in, 3);
- sg_set_buf(&sg_in[0], src1, src1_len);
- sg_set_buf(&sg_in[1], src2, src2_len);
- sg_set_buf(&sg_in[2], pad, zero_padding);
- ret = setup_sgtable(&sg_out, &prealloc_sg, dst, *dst_len);
+ WARN_ON(crypt_len > buf_len);
+ if (encrypt)
+ memset(buf + in_len, pad_byte, pad_byte);
+ ret = setup_sgtable(&sgt, &prealloc_sg, buf, crypt_len);
if (ret)
- goto out_tfm;
-
- crypto_skcipher_setkey((void *)tfm, key, key_len);
- memcpy(iv, aes_iv, AES_BLOCK_SIZE);
-
- skcipher_request_set_tfm(req, tfm);
- skcipher_request_set_callback(req, 0, NULL, NULL);
- skcipher_request_set_crypt(req, sg_in, sg_out.sgl,
- src1_len + src2_len + zero_padding, iv);
-
- /*
- print_hex_dump(KERN_ERR, "enc key: ", DUMP_PREFIX_NONE, 16, 1,
- key, key_len, 1);
- print_hex_dump(KERN_ERR, "enc src1: ", DUMP_PREFIX_NONE, 16, 1,
- src1, src1_len, 1);
- print_hex_dump(KERN_ERR, "enc src2: ", DUMP_PREFIX_NONE, 16, 1,
- src2, src2_len, 1);
- print_hex_dump(KERN_ERR, "enc pad: ", DUMP_PREFIX_NONE, 16, 1,
- pad, zero_padding, 1);
- */
- ret = crypto_skcipher_encrypt(req);
- skcipher_request_zero(req);
- if (ret < 0) {
- pr_err("ceph_aes_crypt2 failed %d\n", ret);
- goto out_sg;
- }
- /*
- print_hex_dump(KERN_ERR, "enc out: ", DUMP_PREFIX_NONE, 16, 1,
- dst, *dst_len, 1);
- */
-
-out_sg:
- teardown_sgtable(&sg_out);
-out_tfm:
- crypto_free_skcipher(tfm);
- return ret;
-}
-
-static int ceph_aes_decrypt(const void *key, int key_len,
- void *dst, size_t *dst_len,
- const void *src, size_t src_len)
-{
- struct sg_table sg_in;
- struct scatterlist sg_out[2], prealloc_sg;
- struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
- SKCIPHER_REQUEST_ON_STACK(req, tfm);
- char pad[16];
- char iv[AES_BLOCK_SIZE];
- int ret;
- int last_byte;
-
- if (IS_ERR(tfm))
- return PTR_ERR(tfm);
-
- sg_init_table(sg_out, 2);
- sg_set_buf(&sg_out[0], dst, *dst_len);
- sg_set_buf(&sg_out[1], pad, sizeof(pad));
- ret = setup_sgtable(&sg_in, &prealloc_sg, src, src_len);
- if (ret)
- goto out_tfm;
+ return ret;
- crypto_skcipher_setkey((void *)tfm, key, key_len);
memcpy(iv, aes_iv, AES_BLOCK_SIZE);
-
- skcipher_request_set_tfm(req, tfm);
+ skcipher_request_set_tfm(req, key->tfm);
skcipher_request_set_callback(req, 0, NULL, NULL);
- skcipher_request_set_crypt(req, sg_in.sgl, sg_out,
- src_len, iv);
+ skcipher_request_set_crypt(req, sgt.sgl, sgt.sgl, crypt_len, iv);
/*
- print_hex_dump(KERN_ERR, "dec key: ", DUMP_PREFIX_NONE, 16, 1,
- key, key_len, 1);
- print_hex_dump(KERN_ERR, "dec in: ", DUMP_PREFIX_NONE, 16, 1,
- src, src_len, 1);
+ print_hex_dump(KERN_ERR, "key: ", DUMP_PREFIX_NONE, 16, 1,
+ key->key, key->len, 1);
+ print_hex_dump(KERN_ERR, " in: ", DUMP_PREFIX_NONE, 16, 1,
+ buf, crypt_len, 1);
*/
- ret = crypto_skcipher_decrypt(req);
- skcipher_request_zero(req);
- if (ret < 0) {
- pr_err("ceph_aes_decrypt failed %d\n", ret);
- goto out_sg;
- }
-
- if (src_len <= *dst_len)
- last_byte = ((char *)dst)[src_len - 1];
+ if (encrypt)
+ ret = crypto_skcipher_encrypt(req);
else
- last_byte = pad[src_len - *dst_len - 1];
- if (last_byte <= 16 && src_len >= last_byte) {
- *dst_len = src_len - last_byte;
- } else {
- pr_err("ceph_aes_decrypt got bad padding %d on src len %d\n",
- last_byte, (int)src_len);
- return -EPERM; /* bad padding */
- }
- /*
- print_hex_dump(KERN_ERR, "dec out: ", DUMP_PREFIX_NONE, 16, 1,
- dst, *dst_len, 1);
- */
-
-out_sg:
- teardown_sgtable(&sg_in);
-out_tfm:
- crypto_free_skcipher(tfm);
- return ret;
-}
-
-static int ceph_aes_decrypt2(const void *key, int key_len,
- void *dst1, size_t *dst1_len,
- void *dst2, size_t *dst2_len,
- const void *src, size_t src_len)
-{
- struct sg_table sg_in;
- struct scatterlist sg_out[3], prealloc_sg;
- struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
- SKCIPHER_REQUEST_ON_STACK(req, tfm);
- char pad[16];
- char iv[AES_BLOCK_SIZE];
- int ret;
- int last_byte;
-
- if (IS_ERR(tfm))
- return PTR_ERR(tfm);
-
- sg_init_table(sg_out, 3);
- sg_set_buf(&sg_out[0], dst1, *dst1_len);
- sg_set_buf(&sg_out[1], dst2, *dst2_len);
- sg_set_buf(&sg_out[2], pad, sizeof(pad));
- ret = setup_sgtable(&sg_in, &prealloc_sg, src, src_len);
- if (ret)
- goto out_tfm;
-
- crypto_skcipher_setkey((void *)tfm, key, key_len);
- memcpy(iv, aes_iv, AES_BLOCK_SIZE);
-
- skcipher_request_set_tfm(req, tfm);
- skcipher_request_set_callback(req, 0, NULL, NULL);
- skcipher_request_set_crypt(req, sg_in.sgl, sg_out,
- src_len, iv);
-
- /*
- print_hex_dump(KERN_ERR, "dec key: ", DUMP_PREFIX_NONE, 16, 1,
- key, key_len, 1);
- print_hex_dump(KERN_ERR, "dec in: ", DUMP_PREFIX_NONE, 16, 1,
- src, src_len, 1);
- */
- ret = crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
- if (ret < 0) {
- pr_err("ceph_aes_decrypt failed %d\n", ret);
- goto out_sg;
- }
-
- if (src_len <= *dst1_len)
- last_byte = ((char *)dst1)[src_len - 1];
- else if (src_len <= *dst1_len + *dst2_len)
- last_byte = ((char *)dst2)[src_len - *dst1_len - 1];
- else
- last_byte = pad[src_len - *dst1_len - *dst2_len - 1];
- if (last_byte <= 16 && src_len >= last_byte) {
- src_len -= last_byte;
- } else {
- pr_err("ceph_aes_decrypt got bad padding %d on src len %d\n",
- last_byte, (int)src_len);
- return -EPERM; /* bad padding */
- }
-
- if (src_len < *dst1_len) {
- *dst1_len = src_len;
- *dst2_len = 0;
- } else {
- *dst2_len = src_len - *dst1_len;
+ if (ret) {
+ pr_err("%s %scrypt failed: %d\n", __func__,
+ encrypt ? "en" : "de", ret);
+ goto out_sgt;
}
/*
- print_hex_dump(KERN_ERR, "dec out1: ", DUMP_PREFIX_NONE, 16, 1,
- dst1, *dst1_len, 1);
- print_hex_dump(KERN_ERR, "dec out2: ", DUMP_PREFIX_NONE, 16, 1,
- dst2, *dst2_len, 1);
+ print_hex_dump(KERN_ERR, "out: ", DUMP_PREFIX_NONE, 16, 1,
+ buf, crypt_len, 1);
*/
-out_sg:
- teardown_sgtable(&sg_in);
-out_tfm:
- crypto_free_skcipher(tfm);
- return ret;
-}
-
-
-int ceph_decrypt(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
- const void *src, size_t src_len)
-{
- switch (secret->type) {
- case CEPH_CRYPTO_NONE:
- if (*dst_len < src_len)
- return -ERANGE;
- memcpy(dst, src, src_len);
- *dst_len = src_len;
- return 0;
-
- case CEPH_CRYPTO_AES:
- return ceph_aes_decrypt(secret->key, secret->len, dst,
- dst_len, src, src_len);
-
- default:
- return -EINVAL;
- }
-}
-
-int ceph_decrypt2(struct ceph_crypto_key *secret,
- void *dst1, size_t *dst1_len,
- void *dst2, size_t *dst2_len,
- const void *src, size_t src_len)
-{
- size_t t;
-
- switch (secret->type) {
- case CEPH_CRYPTO_NONE:
- if (*dst1_len + *dst2_len < src_len)
- return -ERANGE;
- t = min(*dst1_len, src_len);
- memcpy(dst1, src, t);
- *dst1_len = t;
- src += t;
- src_len -= t;
- if (src_len) {
- t = min(*dst2_len, src_len);
- memcpy(dst2, src, t);
- *dst2_len = t;
+ if (encrypt) {
+ *pout_len = crypt_len;
+ } else {
+ pad_byte = *(char *)(buf + in_len - 1);
+ if (pad_byte > 0 && pad_byte <= AES_BLOCK_SIZE &&
+ in_len >= pad_byte) {
+ *pout_len = in_len - pad_byte;
+ } else {
+ pr_err("%s got bad padding %d on in_len %d\n",
+ __func__, pad_byte, in_len);
+ ret = -EPERM;
+ goto out_sgt;
}
- return 0;
-
- case CEPH_CRYPTO_AES:
- return ceph_aes_decrypt2(secret->key, secret->len,
- dst1, dst1_len, dst2, dst2_len,
- src, src_len);
-
- default:
- return -EINVAL;
}
-}
-
-int ceph_encrypt(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
- const void *src, size_t src_len)
-{
- switch (secret->type) {
- case CEPH_CRYPTO_NONE:
- if (*dst_len < src_len)
- return -ERANGE;
- memcpy(dst, src, src_len);
- *dst_len = src_len;
- return 0;
- case CEPH_CRYPTO_AES:
- return ceph_aes_encrypt(secret->key, secret->len, dst,
- dst_len, src, src_len);
-
- default:
- return -EINVAL;
- }
+out_sgt:
+ teardown_sgtable(&sgt);
+ return ret;
}
-int ceph_encrypt2(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
- const void *src1, size_t src1_len,
- const void *src2, size_t src2_len)
+int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt,
+ void *buf, int buf_len, int in_len, int *pout_len)
{
- switch (secret->type) {
+ switch (key->type) {
case CEPH_CRYPTO_NONE:
- if (*dst_len < src1_len + src2_len)
- return -ERANGE;
- memcpy(dst, src1, src1_len);
- memcpy(dst + src1_len, src2, src2_len);
- *dst_len = src1_len + src2_len;
+ *pout_len = in_len;
return 0;
-
case CEPH_CRYPTO_AES:
- return ceph_aes_encrypt2(secret->key, secret->len, dst, dst_len,
- src1, src1_len, src2, src2_len);
-
+ return ceph_aes_crypt(key, encrypt, buf, buf_len, in_len,
+ pout_len);
default:
- return -EINVAL;
+ return -ENOTSUPP;
}
}
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index 2e9cab09f37b..58d83aa7740f 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -12,37 +12,19 @@ struct ceph_crypto_key {
struct ceph_timespec created;
int len;
void *key;
+ struct crypto_skcipher *tfm;
};
-static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
-{
- if (key) {
- kfree(key->key);
- key->key = NULL;
- }
-}
-
int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
const struct ceph_crypto_key *src);
int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
+void ceph_crypto_key_destroy(struct ceph_crypto_key *key);
/* crypto.c */
-int ceph_decrypt(struct ceph_crypto_key *secret,
- void *dst, size_t *dst_len,
- const void *src, size_t src_len);
-int ceph_encrypt(struct ceph_crypto_key *secret,
- void *dst, size_t *dst_len,
- const void *src, size_t src_len);
-int ceph_decrypt2(struct ceph_crypto_key *secret,
- void *dst1, size_t *dst1_len,
- void *dst2, size_t *dst2_len,
- const void *src, size_t src_len);
-int ceph_encrypt2(struct ceph_crypto_key *secret,
- void *dst, size_t *dst_len,
- const void *src1, size_t src1_len,
- const void *src2, size_t src2_len);
+int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt,
+ void *buf, int buf_len, int in_len, int *pout_len);
int ceph_crypto_init(void);
void ceph_crypto_shutdown(void);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index a5502898ea33..770c52701efa 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1393,15 +1393,9 @@ static struct ceph_auth_handshake *get_connect_authorizer(struct ceph_connection
return NULL;
}
- /* Can't hold the mutex while getting authorizer */
- mutex_unlock(&con->mutex);
auth = con->ops->get_authorizer(con, auth_proto, con->auth_retry);
- mutex_lock(&con->mutex);
-
if (IS_ERR(auth))
return auth;
- if (con->state != CON_STATE_NEGOTIATING)
- return ERR_PTR(-EAGAIN);
con->auth_reply_buf = auth->authorizer_reply_buf;
con->auth_reply_buf_len = auth->authorizer_reply_buf_len;
@@ -2027,6 +2021,19 @@ static int process_connect(struct ceph_connection *con)
dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
+ if (con->auth_reply_buf) {
+ /*
+ * Any connection that defines ->get_authorizer()
+ * should also define ->verify_authorizer_reply().
+ * See get_connect_authorizer().
+ */
+ ret = con->ops->verify_authorizer_reply(con);
+ if (ret < 0) {
+ con->error_msg = "bad authorize reply";
+ return ret;
+ }
+ }
+
switch (con->in_reply.tag) {
case CEPH_MSGR_TAG_FEATURES:
pr_err("%s%lld %s feature set mismatch,"
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index a8effc8b7280..29a0ef351c5e 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -1028,21 +1028,21 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
err = -ENOMEM;
monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
sizeof(struct ceph_mon_subscribe_ack),
- GFP_NOFS, true);
+ GFP_KERNEL, true);
if (!monc->m_subscribe_ack)
goto out_auth;
- monc->m_subscribe = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 128, GFP_NOFS,
- true);
+ monc->m_subscribe = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 128,
+ GFP_KERNEL, true);
if (!monc->m_subscribe)
goto out_subscribe_ack;
- monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, GFP_NOFS,
- true);
+ monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096,
+ GFP_KERNEL, true);
if (!monc->m_auth_reply)
goto out_subscribe;
- monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, GFP_NOFS, true);
+ monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, GFP_KERNEL, true);
monc->pending_auth = 0;
if (!monc->m_auth)
goto out_auth_reply;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index e6ae15bc41b7..842f049abb86 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -460,7 +460,7 @@ static void request_init(struct ceph_osd_request *req)
kref_init(&req->r_kref);
init_completion(&req->r_completion);
- init_completion(&req->r_safe_completion);
+ init_completion(&req->r_done_completion);
RB_CLEAR_NODE(&req->r_node);
RB_CLEAR_NODE(&req->r_mc_node);
INIT_LIST_HEAD(&req->r_unsafe_item);
@@ -1725,7 +1725,7 @@ static void submit_request(struct ceph_osd_request *req, bool wrlocked)
__submit_request(req, wrlocked);
}
-static void __finish_request(struct ceph_osd_request *req)
+static void finish_request(struct ceph_osd_request *req)
{
struct ceph_osd_client *osdc = req->r_osdc;
struct ceph_osd *osd = req->r_osd;
@@ -1747,12 +1747,6 @@ static void __finish_request(struct ceph_osd_request *req)
ceph_msg_revoke_incoming(req->r_reply);
}
-static void finish_request(struct ceph_osd_request *req)
-{
- __finish_request(req);
- ceph_osdc_put_request(req);
-}
-
static void __complete_request(struct ceph_osd_request *req)
{
if (req->r_callback)
@@ -1770,9 +1764,9 @@ static void complete_request(struct ceph_osd_request *req, int err)
dout("%s req %p tid %llu err %d\n", __func__, req, req->r_tid, err);
req->r_result = err;
- __finish_request(req);
+ finish_request(req);
__complete_request(req);
- complete_all(&req->r_safe_completion);
+ complete_all(&req->r_done_completion);
ceph_osdc_put_request(req);
}
@@ -1798,6 +1792,8 @@ static void cancel_request(struct ceph_osd_request *req)
cancel_map_check(req);
finish_request(req);
+ complete_all(&req->r_done_completion);
+ ceph_osdc_put_request(req);
}
static void check_pool_dne(struct ceph_osd_request *req)
@@ -2808,12 +2804,12 @@ static bool done_request(const struct ceph_osd_request *req,
* ->r_unsafe_callback is set? yes no
*
* first reply is OK (needed r_cb/r_completion, r_cb/r_completion,
- * any or needed/got safe) r_safe_completion r_safe_completion
+ * any or needed/got safe) r_done_completion r_done_completion
*
* first reply is unsafe r_unsafe_cb(true) (nothing)
*
* when we get the safe reply r_unsafe_cb(false), r_cb/r_completion,
- * r_safe_completion r_safe_completion
+ * r_done_completion r_done_completion
*/
static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg)
{
@@ -2915,7 +2911,7 @@ static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg)
}
if (done_request(req, &m)) {
- __finish_request(req);
+ finish_request(req);
if (req->r_linger) {
WARN_ON(req->r_unsafe_callback);
dout("req %p tid %llu cb (locked)\n", req, req->r_tid);
@@ -2934,8 +2930,7 @@ static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg)
dout("req %p tid %llu cb\n", req, req->r_tid);
__complete_request(req);
}
- if (m.flags & CEPH_OSD_FLAG_ONDISK)
- complete_all(&req->r_safe_completion);
+ complete_all(&req->r_done_completion);
ceph_osdc_put_request(req);
} else {
if (req->r_unsafe_callback) {
@@ -3471,9 +3466,8 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
EXPORT_SYMBOL(ceph_osdc_start_request);
/*
- * Unregister a registered request. The request is not completed (i.e.
- * no callbacks or wakeups) - higher layers are supposed to know what
- * they are canceling.
+ * Unregister a registered request. The request is not completed:
+ * ->r_result isn't set and __complete_request() isn't called.
*/
void ceph_osdc_cancel_request(struct ceph_osd_request *req)
{
@@ -3500,9 +3494,6 @@ static int wait_request_timeout(struct ceph_osd_request *req,
if (left <= 0) {
left = left ?: -ETIMEDOUT;
ceph_osdc_cancel_request(req);
-
- /* kludge - need to to wake ceph_osdc_sync() */
- complete_all(&req->r_safe_completion);
} else {
left = req->r_result; /* completed */
}
@@ -3549,7 +3540,7 @@ again:
up_read(&osdc->lock);
dout("%s waiting on req %p tid %llu last_tid %llu\n",
__func__, req, req->r_tid, last_tid);
- wait_for_completion(&req->r_safe_completion);
+ wait_for_completion(&req->r_done_completion);
ceph_osdc_put_request(req);
goto again;
}
@@ -4478,13 +4469,13 @@ static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
}
-static int verify_authorizer_reply(struct ceph_connection *con, int len)
+static int verify_authorizer_reply(struct ceph_connection *con)
{
struct ceph_osd *o = con->private;
struct ceph_osd_client *osdc = o->o_osdc;
struct ceph_auth_client *ac = osdc->client->monc.auth;
- return ceph_auth_verify_authorizer_reply(ac, o->o_auth.authorizer, len);
+ return ceph_auth_verify_authorizer_reply(ac, o->o_auth.authorizer);
}
static int invalidate_authorizer(struct ceph_connection *con)
diff --git a/net/core/dev.c b/net/core/dev.c
index 1d33ce03365f..6372117f653f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5064,7 +5064,7 @@ count:
return rc;
goto restart;
}
- cpu_relax_lowlatency();
+ cpu_relax();
}
if (napi_poll)
busy_poll_stop(napi, have_poll_lock);
@@ -8008,18 +8008,13 @@ out:
}
EXPORT_SYMBOL_GPL(dev_change_net_namespace);
-static int dev_cpu_callback(struct notifier_block *nfb,
- unsigned long action,
- void *ocpu)
+static int dev_cpu_dead(unsigned int oldcpu)
{
struct sk_buff **list_skb;
struct sk_buff *skb;
- unsigned int cpu, oldcpu = (unsigned long)ocpu;
+ unsigned int cpu;
struct softnet_data *sd, *oldsd;
- if (action != CPU_DEAD && action != CPU_DEAD_FROZEN)
- return NOTIFY_OK;
-
local_irq_disable();
cpu = smp_processor_id();
sd = &per_cpu(softnet_data, cpu);
@@ -8069,10 +8064,9 @@ static int dev_cpu_callback(struct notifier_block *nfb,
input_queue_head_incr(oldsd);
}
- return NOTIFY_OK;
+ return 0;
}
-
/**
* netdev_increment_features - increment feature set by one
* @all: current feature set
@@ -8406,7 +8400,9 @@ static int __init net_dev_init(void)
open_softirq(NET_TX_SOFTIRQ, net_tx_action);
open_softirq(NET_RX_SOFTIRQ, net_rx_action);
- hotcpu_notifier(dev_cpu_callback, 0);
+ rc = cpuhp_setup_state_nocalls(CPUHP_NET_DEV_DEAD, "net/dev:dead",
+ NULL, dev_cpu_dead);
+ WARN_ON(rc < 0);
dst_subsys_init();
rc = 0;
out:
diff --git a/net/core/flow.c b/net/core/flow.c
index 18e8893d4be5..f765c11d8df5 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -417,28 +417,20 @@ static int flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
return 0;
}
-static int flow_cache_cpu(struct notifier_block *nfb,
- unsigned long action,
- void *hcpu)
+static int flow_cache_cpu_up_prep(unsigned int cpu, struct hlist_node *node)
{
- struct flow_cache *fc = container_of(nfb, struct flow_cache,
- hotcpu_notifier);
- int res, cpu = (unsigned long) hcpu;
+ struct flow_cache *fc = hlist_entry_safe(node, struct flow_cache, node);
+
+ return flow_cache_cpu_prepare(fc, cpu);
+}
+
+static int flow_cache_cpu_dead(unsigned int cpu, struct hlist_node *node)
+{
+ struct flow_cache *fc = hlist_entry_safe(node, struct flow_cache, node);
struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
- switch (action) {
- case CPU_UP_PREPARE:
- case CPU_UP_PREPARE_FROZEN:
- res = flow_cache_cpu_prepare(fc, cpu);
- if (res)
- return notifier_from_errno(res);
- break;
- case CPU_DEAD:
- case CPU_DEAD_FROZEN:
- __flow_cache_shrink(fc, fcp, 0);
- break;
- }
- return NOTIFY_OK;
+ __flow_cache_shrink(fc, fcp, 0);
+ return 0;
}
int flow_cache_init(struct net *net)
@@ -465,18 +457,8 @@ int flow_cache_init(struct net *net)
if (!fc->percpu)
return -ENOMEM;
- cpu_notifier_register_begin();
-
- for_each_online_cpu(i) {
- if (flow_cache_cpu_prepare(fc, i))
- goto err;
- }
- fc->hotcpu_notifier = (struct notifier_block){
- .notifier_call = flow_cache_cpu,
- };
- __register_hotcpu_notifier(&fc->hotcpu_notifier);
-
- cpu_notifier_register_done();
+ if (cpuhp_state_add_instance(CPUHP_NET_FLOW_PREPARE, &fc->node))
+ goto err;
setup_timer(&fc->rnd_timer, flow_cache_new_hashrnd,
(unsigned long) fc);
@@ -492,8 +474,6 @@ err:
fcp->hash_table = NULL;
}
- cpu_notifier_register_done();
-
free_percpu(fc->percpu);
fc->percpu = NULL;
@@ -507,7 +487,8 @@ void flow_cache_fini(struct net *net)
struct flow_cache *fc = &net->xfrm.flow_cache_global;
del_timer_sync(&fc->rnd_timer);
- unregister_hotcpu_notifier(&fc->hotcpu_notifier);
+
+ cpuhp_state_remove_instance_nocalls(CPUHP_NET_FLOW_PREPARE, &fc->node);
for_each_possible_cpu(i) {
struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, i);
@@ -519,3 +500,14 @@ void flow_cache_fini(struct net *net)
fc->percpu = NULL;
}
EXPORT_SYMBOL(flow_cache_fini);
+
+void __init flow_cache_hp_init(void)
+{
+ int ret;
+
+ ret = cpuhp_setup_state_multi(CPUHP_NET_FLOW_PREPARE,
+ "net/flow:prepare",
+ flow_cache_cpu_up_prep,
+ flow_cache_cpu_dead);
+ WARN_ON(ret < 0);
+}
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 50fdc1b59777..3c4bbec39713 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -218,16 +218,15 @@ static void rtnl_net_notifyid(struct net *net, int cmd, int id);
*/
int peernet2id_alloc(struct net *net, struct net *peer)
{
- unsigned long flags;
bool alloc;
int id;
if (atomic_read(&net->count) == 0)
return NETNSA_NSID_NOT_ASSIGNED;
- spin_lock_irqsave(&net->nsid_lock, flags);
+ spin_lock_bh(&net->nsid_lock);
alloc = atomic_read(&peer->count) == 0 ? false : true;
id = __peernet2id_alloc(net, peer, &alloc);
- spin_unlock_irqrestore(&net->nsid_lock, flags);
+ spin_unlock_bh(&net->nsid_lock);
if (alloc && id >= 0)
rtnl_net_notifyid(net, RTM_NEWNSID, id);
return id;
@@ -236,12 +235,11 @@ int peernet2id_alloc(struct net *net, struct net *peer)
/* This function returns, if assigned, the id of a peer netns. */
int peernet2id(struct net *net, struct net *peer)
{
- unsigned long flags;
int id;
- spin_lock_irqsave(&net->nsid_lock, flags);
+ spin_lock_bh(&net->nsid_lock);
id = __peernet2id(net, peer);
- spin_unlock_irqrestore(&net->nsid_lock, flags);
+ spin_unlock_bh(&net->nsid_lock);
return id;
}
EXPORT_SYMBOL(peernet2id);
@@ -256,18 +254,17 @@ bool peernet_has_id(struct net *net, struct net *peer)
struct net *get_net_ns_by_id(struct net *net, int id)
{
- unsigned long flags;
struct net *peer;
if (id < 0)
return NULL;
rcu_read_lock();
- spin_lock_irqsave(&net->nsid_lock, flags);
+ spin_lock_bh(&net->nsid_lock);
peer = idr_find(&net->netns_ids, id);
if (peer)
get_net(peer);
- spin_unlock_irqrestore(&net->nsid_lock, flags);
+ spin_unlock_bh(&net->nsid_lock);
rcu_read_unlock();
return peer;
@@ -437,17 +434,17 @@ static void cleanup_net(struct work_struct *work)
for_each_net(tmp) {
int id;
- spin_lock_irq(&tmp->nsid_lock);
+ spin_lock_bh(&tmp->nsid_lock);
id = __peernet2id(tmp, net);
if (id >= 0)
idr_remove(&tmp->netns_ids, id);
- spin_unlock_irq(&tmp->nsid_lock);
+ spin_unlock_bh(&tmp->nsid_lock);
if (id >= 0)
rtnl_net_notifyid(tmp, RTM_DELNSID, id);
}
- spin_lock_irq(&net->nsid_lock);
+ spin_lock_bh(&net->nsid_lock);
idr_destroy(&net->netns_ids);
- spin_unlock_irq(&net->nsid_lock);
+ spin_unlock_bh(&net->nsid_lock);
}
rtnl_unlock();
@@ -576,7 +573,6 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct net *net = sock_net(skb->sk);
struct nlattr *tb[NETNSA_MAX + 1];
- unsigned long flags;
struct net *peer;
int nsid, err;
@@ -597,15 +593,15 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh)
if (IS_ERR(peer))
return PTR_ERR(peer);
- spin_lock_irqsave(&net->nsid_lock, flags);
+ spin_lock_bh(&net->nsid_lock);
if (__peernet2id(net, peer) >= 0) {
- spin_unlock_irqrestore(&net->nsid_lock, flags);
+ spin_unlock_bh(&net->nsid_lock);
err = -EEXIST;
goto out;
}
err = alloc_netid(net, peer, nsid);
- spin_unlock_irqrestore(&net->nsid_lock, flags);
+ spin_unlock_bh(&net->nsid_lock);
if (err >= 0) {
rtnl_net_notifyid(net, RTM_NEWNSID, err);
err = 0;
@@ -727,11 +723,10 @@ static int rtnl_net_dumpid(struct sk_buff *skb, struct netlink_callback *cb)
.idx = 0,
.s_idx = cb->args[0],
};
- unsigned long flags;
- spin_lock_irqsave(&net->nsid_lock, flags);
+ spin_lock_bh(&net->nsid_lock);
idr_for_each(&net->netns_ids, rtnl_net_dumpid_one, &net_cb);
- spin_unlock_irqrestore(&net->nsid_lock, flags);
+ spin_unlock_bh(&net->nsid_lock);
cb->args[0] = net_cb.idx;
return skb->len;
diff --git a/net/ieee802154/6lowpan/6lowpan_i.h b/net/ieee802154/6lowpan/6lowpan_i.h
index 5ac778962e4e..ac7c96b73ad5 100644
--- a/net/ieee802154/6lowpan/6lowpan_i.h
+++ b/net/ieee802154/6lowpan/6lowpan_i.h
@@ -7,7 +7,7 @@
#include <net/inet_frag.h>
#include <net/6lowpan.h>
-typedef unsigned __bitwise__ lowpan_rx_result;
+typedef unsigned __bitwise lowpan_rx_result;
#define RX_CONTINUE ((__force lowpan_rx_result) 0u)
#define RX_DROP_UNUSABLE ((__force lowpan_rx_result) 1u)
#define RX_DROP ((__force lowpan_rx_result) 2u)
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 4adfd4d5471b..9b92ade687a3 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -7,5 +7,3 @@ ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o core.o \
ieee802154_socket-y := socket.o
CFLAGS_trace.o := -I$(src)
-
-ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9ffc2625cddd..6c9615c90f37 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -826,11 +826,11 @@ ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk
struct msghdr *msg = from;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- if (copy_from_iter(to, len, &msg->msg_iter) != len)
+ if (!copy_from_iter_full(to, len, &msg->msg_iter))
return -EFAULT;
} else {
__wsum csum = 0;
- if (csum_and_copy_from_iter(to, len, &csum, &msg->msg_iter) != len)
+ if (!csum_and_copy_from_iter_full(to, len, &csum, &msg->msg_iter))
return -EFAULT;
skb->csum = csum_block_add(skb->csum, csum, odd);
}
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 5b2635e69a92..86cca610f4c2 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -609,15 +609,15 @@ int ping_getfrag(void *from, char *to,
fraglen -= sizeof(struct icmphdr);
if (fraglen < 0)
BUG();
- if (csum_and_copy_from_iter(to + sizeof(struct icmphdr),
+ if (!csum_and_copy_from_iter_full(to + sizeof(struct icmphdr),
fraglen, &pfh->wcheck,
- &pfh->msg->msg_iter) != fraglen)
+ &pfh->msg->msg_iter))
return -EFAULT;
} else if (offset < sizeof(struct icmphdr)) {
BUG();
} else {
- if (csum_and_copy_from_iter(to, fraglen, &pfh->wcheck,
- &pfh->msg->msg_iter) != fraglen)
+ if (!csum_and_copy_from_iter_full(to, fraglen, &pfh->wcheck,
+ &pfh->msg->msg_iter))
return -EFAULT;
}
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 88a2a3ba4212..8f7ef167c45a 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -639,7 +639,7 @@ static void iucv_disable(void)
put_online_cpus();
}
-static void free_iucv_data(int cpu)
+static int iucv_cpu_dead(unsigned int cpu)
{
kfree(iucv_param_irq[cpu]);
iucv_param_irq[cpu] = NULL;
@@ -647,9 +647,10 @@ static void free_iucv_data(int cpu)
iucv_param[cpu] = NULL;
kfree(iucv_irq_data[cpu]);
iucv_irq_data[cpu] = NULL;
+ return 0;
}
-static int alloc_iucv_data(int cpu)
+static int iucv_cpu_prepare(unsigned int cpu)
{
/* Note: GFP_DMA used to get memory below 2G */
iucv_irq_data[cpu] = kmalloc_node(sizeof(struct iucv_irq_data),
@@ -671,58 +672,38 @@ static int alloc_iucv_data(int cpu)
return 0;
out_free:
- free_iucv_data(cpu);
+ iucv_cpu_dead(cpu);
return -ENOMEM;
}
-static int iucv_cpu_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
+static int iucv_cpu_online(unsigned int cpu)
{
- cpumask_t cpumask;
- long cpu = (long) hcpu;
-
- switch (action) {
- case CPU_UP_PREPARE:
- case CPU_UP_PREPARE_FROZEN:
- if (alloc_iucv_data(cpu))
- return notifier_from_errno(-ENOMEM);
- break;
- case CPU_UP_CANCELED:
- case CPU_UP_CANCELED_FROZEN:
- case CPU_DEAD:
- case CPU_DEAD_FROZEN:
- free_iucv_data(cpu);
- break;
- case CPU_ONLINE:
- case CPU_ONLINE_FROZEN:
- case CPU_DOWN_FAILED:
- case CPU_DOWN_FAILED_FROZEN:
- if (!iucv_path_table)
- break;
- smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1);
- break;
- case CPU_DOWN_PREPARE:
- case CPU_DOWN_PREPARE_FROZEN:
- if (!iucv_path_table)
- break;
- cpumask_copy(&cpumask, &iucv_buffer_cpumask);
- cpumask_clear_cpu(cpu, &cpumask);
- if (cpumask_empty(&cpumask))
- /* Can't offline last IUCV enabled cpu. */
- return notifier_from_errno(-EINVAL);
- smp_call_function_single(cpu, iucv_retrieve_cpu, NULL, 1);
- if (cpumask_empty(&iucv_irq_cpumask))
- smp_call_function_single(
- cpumask_first(&iucv_buffer_cpumask),
- iucv_allow_cpu, NULL, 1);
- break;
- }
- return NOTIFY_OK;
+ if (!iucv_path_table)
+ return 0;
+ iucv_declare_cpu(NULL);
+ return 0;
}
-static struct notifier_block __refdata iucv_cpu_notifier = {
- .notifier_call = iucv_cpu_notify,
-};
+static int iucv_cpu_down_prep(unsigned int cpu)
+{
+ cpumask_t cpumask;
+
+ if (!iucv_path_table)
+ return 0;
+
+ cpumask_copy(&cpumask, &iucv_buffer_cpumask);
+ cpumask_clear_cpu(cpu, &cpumask);
+ if (cpumask_empty(&cpumask))
+ /* Can't offline last IUCV enabled cpu. */
+ return -EINVAL;
+
+ iucv_retrieve_cpu(NULL);
+ if (!cpumask_empty(&iucv_irq_cpumask))
+ return 0;
+ smp_call_function_single(cpumask_first(&iucv_buffer_cpumask),
+ iucv_allow_cpu, NULL, 1);
+ return 0;
+}
/**
* iucv_sever_pathid
@@ -2027,6 +2008,7 @@ struct iucv_interface iucv_if = {
};
EXPORT_SYMBOL(iucv_if);
+static enum cpuhp_state iucv_online;
/**
* iucv_init
*
@@ -2035,7 +2017,6 @@ EXPORT_SYMBOL(iucv_if);
static int __init iucv_init(void)
{
int rc;
- int cpu;
if (!MACHINE_IS_VM) {
rc = -EPROTONOSUPPORT;
@@ -2054,23 +2035,19 @@ static int __init iucv_init(void)
goto out_int;
}
- cpu_notifier_register_begin();
-
- for_each_online_cpu(cpu) {
- if (alloc_iucv_data(cpu)) {
- rc = -ENOMEM;
- goto out_free;
- }
- }
- rc = __register_hotcpu_notifier(&iucv_cpu_notifier);
+ rc = cpuhp_setup_state(CPUHP_NET_IUCV_PREPARE, "net/iucv:prepare",
+ iucv_cpu_prepare, iucv_cpu_dead);
if (rc)
- goto out_free;
-
- cpu_notifier_register_done();
+ goto out_dev;
+ rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "net/iucv:online",
+ iucv_cpu_online, iucv_cpu_down_prep);
+ if (rc < 0)
+ goto out_prep;
+ iucv_online = rc;
rc = register_reboot_notifier(&iucv_reboot_notifier);
if (rc)
- goto out_cpu;
+ goto out_remove_hp;
ASCEBC(iucv_error_no_listener, 16);
ASCEBC(iucv_error_no_memory, 16);
ASCEBC(iucv_error_pathid, 16);
@@ -2084,15 +2061,11 @@ static int __init iucv_init(void)
out_reboot:
unregister_reboot_notifier(&iucv_reboot_notifier);
-out_cpu:
- cpu_notifier_register_begin();
- __unregister_hotcpu_notifier(&iucv_cpu_notifier);
-out_free:
- for_each_possible_cpu(cpu)
- free_iucv_data(cpu);
-
- cpu_notifier_register_done();
-
+out_remove_hp:
+ cpuhp_remove_state(iucv_online);
+out_prep:
+ cpuhp_remove_state(CPUHP_NET_IUCV_PREPARE);
+out_dev:
root_device_unregister(iucv_root);
out_int:
unregister_external_irq(EXT_IRQ_IUCV, iucv_external_interrupt);
@@ -2110,7 +2083,6 @@ out:
static void __exit iucv_exit(void)
{
struct iucv_irq_list *p, *n;
- int cpu;
spin_lock_irq(&iucv_queue_lock);
list_for_each_entry_safe(p, n, &iucv_task_queue, list)
@@ -2119,11 +2091,9 @@ static void __exit iucv_exit(void)
kfree(p);
spin_unlock_irq(&iucv_queue_lock);
unregister_reboot_notifier(&iucv_reboot_notifier);
- cpu_notifier_register_begin();
- __unregister_hotcpu_notifier(&iucv_cpu_notifier);
- for_each_possible_cpu(cpu)
- free_iucv_data(cpu);
- cpu_notifier_register_done();
+
+ cpuhp_remove_state_nocalls(iucv_online);
+ cpuhp_remove_state(CPUHP_NET_IUCV_PREPARE);
root_device_unregister(iucv_root);
bus_unregister(&iucv_bus);
unregister_external_irq(EXT_IRQ_IUCV, iucv_external_interrupt);
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 0b202b343fd4..282912245938 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -61,4 +61,4 @@ rc80211_minstrel_ht-$(CONFIG_MAC80211_DEBUGFS) += rc80211_minstrel_ht_debugfs.o
mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y)
mac80211-$(CONFIG_MAC80211_RC_MINSTREL_HT) += $(rc80211_minstrel_ht-y)
-ccflags-y += -D__CHECK_ENDIAN__ -DDEBUG
+ccflags-y += -DDEBUG
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d37a577f63a1..b2069fbd60f9 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -159,7 +159,7 @@ enum ieee80211_bss_valid_data_flags {
IEEE80211_BSS_VALID_ERP = BIT(3)
};
-typedef unsigned __bitwise__ ieee80211_tx_result;
+typedef unsigned __bitwise ieee80211_tx_result;
#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
#define TX_DROP ((__force ieee80211_tx_result) 1u)
#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
@@ -180,7 +180,7 @@ struct ieee80211_tx_data {
};
-typedef unsigned __bitwise__ ieee80211_rx_result;
+typedef unsigned __bitwise ieee80211_rx_result;
#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile
index 17a51e8389e2..5857bb1e1695 100644
--- a/net/mac802154/Makefile
+++ b/net/mac802154/Makefile
@@ -3,5 +3,3 @@ mac802154-objs := main.o rx.o tx.o mac_cmd.o mib.o \
iface.o llsec.o util.o cfg.o trace.o
CFLAGS_trace.o := -I$(src)
-
-ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 89f2e8c1f4dc..49cd0c70a13a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2397,14 +2397,11 @@ static int __packet_snd_vnet_parse(struct virtio_net_hdr *vnet_hdr, size_t len)
static int packet_snd_vnet_parse(struct msghdr *msg, size_t *len,
struct virtio_net_hdr *vnet_hdr)
{
- int n;
-
if (*len < sizeof(*vnet_hdr))
return -EINVAL;
*len -= sizeof(*vnet_hdr);
- n = copy_from_iter(vnet_hdr, sizeof(*vnet_hdr), &msg->msg_iter);
- if (n != sizeof(*vnet_hdr))
+ if (!copy_from_iter_full(vnet_hdr, sizeof(*vnet_hdr), &msg->msg_iter))
return -EFAULT;
return __packet_snd_vnet_parse(vnet_hdr, *len);
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 345f09059e9f..d5f311767157 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -100,11 +100,14 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
trans->cm_connect_complete(conn, event);
break;
+ case RDMA_CM_EVENT_REJECTED:
+ rdsdebug("Connection rejected: %s\n",
+ rdma_reject_msg(cm_id, event->status));
+ /* FALLTHROUGH */
case RDMA_CM_EVENT_ADDR_ERROR:
case RDMA_CM_EVENT_ROUTE_ERROR:
case RDMA_CM_EVENT_CONNECT_ERROR:
case RDMA_CM_EVENT_UNREACHABLE:
- case RDMA_CM_EVENT_REJECTED:
case RDMA_CM_EVENT_DEVICE_REMOVAL:
case RDMA_CM_EVENT_ADDR_CHANGE:
if (conn)
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 2d59c9be40e1..5f63f6dcaabb 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -762,16 +762,17 @@ static const struct net_proto_family rxrpc_family_ops = {
static int __init af_rxrpc_init(void)
{
int ret = -1;
+ unsigned int tmp;
BUILD_BUG_ON(sizeof(struct rxrpc_skb_priv) > FIELD_SIZEOF(struct sk_buff, cb));
get_random_bytes(&rxrpc_epoch, sizeof(rxrpc_epoch));
rxrpc_epoch |= RXRPC_RANDOM_EPOCH;
- get_random_bytes(&rxrpc_client_conn_ids.cur,
- sizeof(rxrpc_client_conn_ids.cur));
- rxrpc_client_conn_ids.cur &= 0x3fffffff;
- if (rxrpc_client_conn_ids.cur == 0)
- rxrpc_client_conn_ids.cur = 1;
+ get_random_bytes(&tmp, sizeof(tmp));
+ tmp &= 0x3fffffff;
+ if (tmp == 0)
+ tmp = 1;
+ idr_set_cursor(&rxrpc_client_conn_ids, tmp);
ret = -ENOMEM;
rxrpc_call_jar = kmem_cache_create(
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index 60ef9605167e..6cbcdcc29853 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -263,12 +263,12 @@ static bool rxrpc_may_reuse_conn(struct rxrpc_connection *conn)
* times the maximum number of client conns away from the current
* allocation point to try and keep the IDs concentrated.
*/
- id_cursor = READ_ONCE(rxrpc_client_conn_ids.cur);
+ id_cursor = idr_get_cursor(&rxrpc_client_conn_ids);
id = conn->proto.cid >> RXRPC_CIDSHIFT;
distance = id - id_cursor;
if (distance < 0)
distance = -distance;
- limit = round_up(rxrpc_max_client_connections, IDR_SIZE) * 4;
+ limit = max(rxrpc_max_client_connections * 4, 1024U);
if (distance > limit)
goto mark_dont_reuse;
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 3dfd769dc5b5..16cea00c959b 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -541,9 +541,13 @@ gss_setup_upcall(struct gss_auth *gss_auth, struct rpc_cred *cred)
return gss_new;
gss_msg = gss_add_msg(gss_new);
if (gss_msg == gss_new) {
- int res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg);
+ int res;
+ atomic_inc(&gss_msg->count);
+ res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg);
if (res) {
gss_unhash_msg(gss_new);
+ atomic_dec(&gss_msg->count);
+ gss_release_msg(gss_new);
gss_msg = ERR_PTR(res);
}
} else
@@ -836,6 +840,7 @@ gss_pipe_destroy_msg(struct rpc_pipe_msg *msg)
warn_gssd();
gss_release_msg(gss_msg);
}
+ gss_release_msg(gss_msg);
}
static void gss_pipe_dentry_destroy(struct dentry *dir,
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 90115ceefd49..fb39284ec174 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -200,7 +200,7 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen,
if (IS_ERR(hmac_md5))
goto out_free_md5;
- req = ahash_request_alloc(md5, GFP_KERNEL);
+ req = ahash_request_alloc(md5, GFP_NOFS);
if (!req)
goto out_free_hmac_md5;
@@ -230,7 +230,7 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen,
goto out;
ahash_request_free(req);
- req = ahash_request_alloc(hmac_md5, GFP_KERNEL);
+ req = ahash_request_alloc(hmac_md5, GFP_NOFS);
if (!req)
goto out_free_hmac_md5;
@@ -299,7 +299,7 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
if (IS_ERR(tfm))
goto out_free_cksum;
- req = ahash_request_alloc(tfm, GFP_KERNEL);
+ req = ahash_request_alloc(tfm, GFP_NOFS);
if (!req)
goto out_free_ahash;
@@ -397,7 +397,7 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen,
goto out_free_cksum;
checksumlen = crypto_ahash_digestsize(tfm);
- req = ahash_request_alloc(tfm, GFP_KERNEL);
+ req = ahash_request_alloc(tfm, GFP_NOFS);
if (!req)
goto out_free_ahash;
@@ -963,7 +963,7 @@ krb5_rc4_setup_seq_key(struct krb5_ctx *kctx, struct crypto_skcipher *cipher,
}
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
- GFP_KERNEL);
+ GFP_NOFS);
if (!desc) {
dprintk("%s: failed to allocate shash descriptor for '%s'\n",
__func__, kctx->gk5e->cksum_name);
@@ -1030,7 +1030,7 @@ krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_skcipher *cipher,
}
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
- GFP_KERNEL);
+ GFP_NOFS);
if (!desc) {
dprintk("%s: failed to allocate shash descriptor for '%s'\n",
__func__, kctx->gk5e->cksum_name);
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 60595835317a..7bb2514aadd9 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -451,8 +451,7 @@ context_derive_keys_rc4(struct krb5_ctx *ctx)
goto out_err_free_hmac;
- desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
- GFP_KERNEL);
+ desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac), GFP_NOFS);
if (!desc) {
dprintk("%s: failed to allocate hash descriptor for '%s'\n",
__func__, ctx->gk5e->cksum_name);
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 45662d7f0943..886e9d381771 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1548,7 +1548,7 @@ complete:
ret = SVC_COMPLETE;
goto out;
drop:
- ret = SVC_DROP;
+ ret = SVC_CLOSE;
out:
if (rsci)
cache_put(&rsci->h, sn->rsc_cache);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 62a482790937..1efbe48e794f 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1926,6 +1926,8 @@ call_connect_status(struct rpc_task *task)
case -EADDRINUSE:
case -ENOBUFS:
case -EPIPE:
+ xprt_conditional_disconnect(task->tk_rqstp->rq_xprt,
+ task->tk_rqstp->rq_connect_cookie);
if (RPC_IS_SOFTCONN(task))
break;
/* retry with existing socket, after a delay */
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 2ecb994314c1..caeb01ad2b5a 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -157,15 +157,17 @@ void rpc_count_iostats_metrics(const struct rpc_task *task,
spin_lock(&op_metrics->om_lock);
op_metrics->om_ops++;
- op_metrics->om_ntrans += req->rq_ntrans;
+ /* kernel API: om_ops must never become larger than om_ntrans */
+ op_metrics->om_ntrans += max(req->rq_ntrans, 1);
op_metrics->om_timeouts += task->tk_timeouts;
op_metrics->om_bytes_sent += req->rq_xmit_bytes_sent;
op_metrics->om_bytes_recv += req->rq_reply_bytes_recvd;
- delta = ktime_sub(req->rq_xtime, task->tk_start);
- op_metrics->om_queue = ktime_add(op_metrics->om_queue, delta);
-
+ if (ktime_to_ns(req->rq_xtime)) {
+ delta = ktime_sub(req->rq_xtime, task->tk_start);
+ op_metrics->om_queue = ktime_add(op_metrics->om_queue, delta);
+ }
op_metrics->om_rtt = ktime_add(op_metrics->om_rtt, req->rq_rtt);
delta = ktime_sub(now, task->tk_start);
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 7c8070ec93c8..75f290bddca1 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1155,8 +1155,7 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
case SVC_DENIED:
goto err_bad_auth;
case SVC_CLOSE:
- if (test_bit(XPT_TEMP, &rqstp->rq_xprt->xpt_flags))
- svc_close_xprt(rqstp->rq_xprt);
+ goto close;
case SVC_DROP:
goto dropit;
case SVC_COMPLETE:
@@ -1246,7 +1245,7 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
sendit:
if (svc_authorise(rqstp))
- goto dropit;
+ goto close;
return 1; /* Caller can now send it */
dropit:
@@ -1254,11 +1253,16 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
dprintk("svc: svc_process dropit\n");
return 0;
+ close:
+ if (test_bit(XPT_TEMP, &rqstp->rq_xprt->xpt_flags))
+ svc_close_xprt(rqstp->rq_xprt);
+ dprintk("svc: svc_process close\n");
+ return 0;
+
err_short_len:
svc_printk(rqstp, "short len %Zd, dropping request\n",
argv->iov_len);
-
- goto dropit; /* drop request */
+ goto close;
err_bad_rpc:
serv->sv_stats->rpcbadfmt++;
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index 69841db1f533..e112da8005b5 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -124,8 +124,7 @@ EXPORT_SYMBOL_GPL(svc_auth_unregister);
#define DN_HASHMAX (1<<DN_HASHBITS)
static struct hlist_head auth_domain_table[DN_HASHMAX];
-static spinlock_t auth_domain_lock =
- __SPIN_LOCK_UNLOCKED(auth_domain_lock);
+static DEFINE_SPINLOCK(auth_domain_lock);
void auth_domain_put(struct auth_domain *dom)
{
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 685e6d225414..9a6be030ca7d 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -669,7 +669,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie)
spin_lock_bh(&xprt->transport_lock);
if (cookie != xprt->connect_cookie)
goto out;
- if (test_bit(XPRT_CLOSING, &xprt->state) || !xprt_connected(xprt))
+ if (test_bit(XPRT_CLOSING, &xprt->state))
goto out;
set_bit(XPRT_CLOSE_WAIT, &xprt->state);
/* Try to schedule an autoclose RPC call */
@@ -772,6 +772,7 @@ void xprt_connect(struct rpc_task *task)
if (!xprt_connected(xprt)) {
task->tk_rqstp->rq_bytes_sent = 0;
task->tk_timeout = task->tk_rqstp->rq_timeout;
+ task->tk_rqstp->rq_connect_cookie = xprt->connect_cookie;
rpc_sleep_on(&xprt->pending, task, xprt_connect_status);
if (test_bit(XPRT_CLOSING, &xprt->state))
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
index 2c472e1b4827..24fedd4b117e 100644
--- a/net/sunrpc/xprtrdma/backchannel.c
+++ b/net/sunrpc/xprtrdma/backchannel.c
@@ -55,7 +55,8 @@ static int rpcrdma_bc_setup_rqst(struct rpcrdma_xprt *r_xprt,
if (IS_ERR(rb))
goto out_fail;
req->rl_sendbuf = rb;
- xdr_buf_init(&rqst->rq_snd_buf, rb->rg_base, size);
+ xdr_buf_init(&rqst->rq_snd_buf, rb->rg_base,
+ min_t(size_t, size, PAGE_SIZE));
rpcrdma_set_xprtdata(rqst, req);
return 0;
@@ -191,6 +192,7 @@ size_t xprt_rdma_bc_maxpayload(struct rpc_xprt *xprt)
size_t maxmsg;
maxmsg = min_t(unsigned int, cdata->inline_rsize, cdata->inline_wsize);
+ maxmsg = min_t(unsigned int, maxmsg, PAGE_SIZE);
return maxmsg - RPCRDMA_HDRLEN_MIN;
}
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 26b26beef2d4..47bed5333c7f 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -101,7 +101,7 @@ frwr_op_init_mr(struct rpcrdma_ia *ia, struct rpcrdma_mw *r)
struct rpcrdma_frmr *f = &r->frmr;
int rc;
- f->fr_mr = ib_alloc_mr(ia->ri_pd, IB_MR_TYPE_MEM_REG, depth);
+ f->fr_mr = ib_alloc_mr(ia->ri_pd, ia->ri_mrtype, depth);
if (IS_ERR(f->fr_mr))
goto out_mr_err;
@@ -157,7 +157,7 @@ __frwr_reset_mr(struct rpcrdma_ia *ia, struct rpcrdma_mw *r)
return rc;
}
- f->fr_mr = ib_alloc_mr(ia->ri_pd, IB_MR_TYPE_MEM_REG,
+ f->fr_mr = ib_alloc_mr(ia->ri_pd, ia->ri_mrtype,
ia->ri_max_frmr_depth);
if (IS_ERR(f->fr_mr)) {
pr_warn("rpcrdma: ib_alloc_mr status %ld, frwr %p orphaned\n",
@@ -171,10 +171,6 @@ __frwr_reset_mr(struct rpcrdma_ia *ia, struct rpcrdma_mw *r)
}
/* Reset of a single FRMR. Generate a fresh rkey by replacing the MR.
- *
- * There's no recovery if this fails. The FRMR is abandoned, but
- * remains in rb_all. It will be cleaned up when the transport is
- * destroyed.
*/
static void
frwr_op_recover_mr(struct rpcrdma_mw *mw)
@@ -210,11 +206,16 @@ static int
frwr_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
struct rpcrdma_create_data_internal *cdata)
{
+ struct ib_device_attr *attrs = &ia->ri_device->attrs;
int depth, delta;
+ ia->ri_mrtype = IB_MR_TYPE_MEM_REG;
+ if (attrs->device_cap_flags & IB_DEVICE_SG_GAPS_REG)
+ ia->ri_mrtype = IB_MR_TYPE_SG_GAPS;
+
ia->ri_max_frmr_depth =
min_t(unsigned int, RPCRDMA_MAX_DATA_SEGS,
- ia->ri_device->attrs.max_fast_reg_page_list_len);
+ attrs->max_fast_reg_page_list_len);
dprintk("RPC: %s: device's max FR page list len = %u\n",
__func__, ia->ri_max_frmr_depth);
@@ -241,8 +242,8 @@ frwr_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
}
ep->rep_attr.cap.max_send_wr *= depth;
- if (ep->rep_attr.cap.max_send_wr > ia->ri_device->attrs.max_qp_wr) {
- cdata->max_requests = ia->ri_device->attrs.max_qp_wr / depth;
+ if (ep->rep_attr.cap.max_send_wr > attrs->max_qp_wr) {
+ cdata->max_requests = attrs->max_qp_wr / depth;
if (!cdata->max_requests)
return -EINVAL;
ep->rep_attr.cap.max_send_wr = cdata->max_requests *
@@ -348,6 +349,7 @@ frwr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
int nsegs, bool writing, struct rpcrdma_mw **out)
{
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
+ bool holes_ok = ia->ri_mrtype == IB_MR_TYPE_SG_GAPS;
struct rpcrdma_mw *mw;
struct rpcrdma_frmr *frmr;
struct ib_mr *mr;
@@ -383,8 +385,8 @@ frwr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
++seg;
++i;
-
- /* Check for holes */
+ if (holes_ok)
+ continue;
if ((i < nsegs && offset_in_page(seg->mr_offset)) ||
offset_in_page((seg-1)->mr_offset + (seg-1)->mr_len))
break;
@@ -421,7 +423,7 @@ frwr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE :
IB_ACCESS_REMOTE_READ;
- DECR_CQCOUNT(&r_xprt->rx_ep);
+ rpcrdma_set_signaled(&r_xprt->rx_ep, &reg_wr->wr);
rc = ib_post_send(ia->ri_id->qp, &reg_wr->wr, &bad_wr);
if (rc)
goto out_senderr;
@@ -451,26 +453,6 @@ out_senderr:
return -ENOTCONN;
}
-static struct ib_send_wr *
-__frwr_prepare_linv_wr(struct rpcrdma_mw *mw)
-{
- struct rpcrdma_frmr *f = &mw->frmr;
- struct ib_send_wr *invalidate_wr;
-
- dprintk("RPC: %s: invalidating frmr %p\n", __func__, f);
-
- f->fr_state = FRMR_IS_INVALID;
- invalidate_wr = &f->fr_invwr;
-
- memset(invalidate_wr, 0, sizeof(*invalidate_wr));
- f->fr_cqe.done = frwr_wc_localinv;
- invalidate_wr->wr_cqe = &f->fr_cqe;
- invalidate_wr->opcode = IB_WR_LOCAL_INV;
- invalidate_wr->ex.invalidate_rkey = f->fr_mr->rkey;
-
- return invalidate_wr;
-}
-
/* Invalidate all memory regions that were registered for "req".
*
* Sleeps until it is safe for the host CPU to access the
@@ -481,12 +463,12 @@ __frwr_prepare_linv_wr(struct rpcrdma_mw *mw)
static void
frwr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
{
- struct ib_send_wr *invalidate_wrs, *pos, *prev, *bad_wr;
+ struct ib_send_wr *first, **prev, *last, *bad_wr;
struct rpcrdma_rep *rep = req->rl_reply;
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
struct rpcrdma_mw *mw, *tmp;
struct rpcrdma_frmr *f;
- int rc;
+ int count, rc;
dprintk("RPC: %s: req %p\n", __func__, req);
@@ -496,22 +478,29 @@ frwr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* a single ib_post_send() call.
*/
f = NULL;
- invalidate_wrs = pos = prev = NULL;
+ count = 0;
+ prev = &first;
list_for_each_entry(mw, &req->rl_registered, mw_list) {
+ mw->frmr.fr_state = FRMR_IS_INVALID;
+
if ((rep->rr_wc_flags & IB_WC_WITH_INVALIDATE) &&
- (mw->mw_handle == rep->rr_inv_rkey)) {
- mw->frmr.fr_state = FRMR_IS_INVALID;
+ (mw->mw_handle == rep->rr_inv_rkey))
continue;
- }
-
- pos = __frwr_prepare_linv_wr(mw);
- if (!invalidate_wrs)
- invalidate_wrs = pos;
- else
- prev->next = pos;
- prev = pos;
f = &mw->frmr;
+ dprintk("RPC: %s: invalidating frmr %p\n",
+ __func__, f);
+
+ f->fr_cqe.done = frwr_wc_localinv;
+ last = &f->fr_invwr;
+ memset(last, 0, sizeof(*last));
+ last->wr_cqe = &f->fr_cqe;
+ last->opcode = IB_WR_LOCAL_INV;
+ last->ex.invalidate_rkey = mw->mw_handle;
+ count++;
+
+ *prev = last;
+ prev = &last->next;
}
if (!f)
goto unmap;
@@ -520,17 +509,22 @@ frwr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* last WR in the chain completes, all WRs in the chain
* are complete.
*/
- f->fr_invwr.send_flags = IB_SEND_SIGNALED;
+ last->send_flags = IB_SEND_SIGNALED;
f->fr_cqe.done = frwr_wc_localinv_wake;
reinit_completion(&f->fr_linv_done);
- INIT_CQCOUNT(&r_xprt->rx_ep);
+
+ /* Initialize CQ count, since there is always a signaled
+ * WR being posted here. The new cqcount depends on how
+ * many SQEs are about to be consumed.
+ */
+ rpcrdma_init_cqcount(&r_xprt->rx_ep, count);
/* Transport disconnect drains the receive CQ before it
* replaces the QP. The RPC reply handler won't call us
* unless ri_id->qp is a valid pointer.
*/
r_xprt->rx_stats.local_inv_needed++;
- rc = ib_post_send(ia->ri_id->qp, invalidate_wrs, &bad_wr);
+ rc = ib_post_send(ia->ri_id->qp, first, &bad_wr);
if (rc)
goto reset_mrs;
@@ -541,7 +535,7 @@ frwr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
*/
unmap:
list_for_each_entry_safe(mw, tmp, &req->rl_registered, mw_list) {
- dprintk("RPC: %s: unmapping frmr %p\n",
+ dprintk("RPC: %s: DMA unmapping frmr %p\n",
__func__, &mw->frmr);
list_del_init(&mw->mw_list);
ib_dma_unmap_sg(ia->ri_device,
@@ -559,7 +553,7 @@ reset_mrs:
*/
list_for_each_entry(mw, &req->rl_registered, mw_list) {
f = &mw->frmr;
- if (mw->frmr.fr_mr->rkey == bad_wr->ex.invalidate_rkey) {
+ if (mw->mw_handle == bad_wr->ex.invalidate_rkey) {
__frwr_reset_mr(ia, mw);
bad_wr = bad_wr->next;
}
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index d987c2d3dd6e..c52e0f2ffe52 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -786,7 +786,7 @@ rpcrdma_count_chunks(struct rpcrdma_rep *rep, int wrchunk, __be32 **iptrp)
ifdebug(FACILITY) {
u64 off;
xdr_decode_hyper((__be32 *)&seg->rs_offset, &off);
- dprintk("RPC: %s: chunk %d@0x%llx:0x%x\n",
+ dprintk("RPC: %s: chunk %d@0x%016llx:0x%08x\n",
__func__,
be32_to_cpu(seg->rs_length),
(unsigned long long)off,
@@ -906,28 +906,6 @@ rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len, int pad)
return fixup_copy_count;
}
-void
-rpcrdma_connect_worker(struct work_struct *work)
-{
- struct rpcrdma_ep *ep =
- container_of(work, struct rpcrdma_ep, rep_connect_worker.work);
- struct rpcrdma_xprt *r_xprt =
- container_of(ep, struct rpcrdma_xprt, rx_ep);
- struct rpc_xprt *xprt = &r_xprt->rx_xprt;
-
- spin_lock_bh(&xprt->transport_lock);
- if (++xprt->connect_cookie == 0) /* maintain a reserved value */
- ++xprt->connect_cookie;
- if (ep->rep_connected > 0) {
- if (!xprt_test_and_set_connected(xprt))
- xprt_wake_pending_tasks(xprt, 0);
- } else {
- if (xprt_test_and_clear_connected(xprt))
- xprt_wake_pending_tasks(xprt, -ENOTCONN);
- }
- spin_unlock_bh(&xprt->transport_lock);
-}
-
#if defined(CONFIG_SUNRPC_BACKCHANNEL)
/* By convention, backchannel calls arrive via rdma_msg type
* messages, and never populate the chunk lists. This makes
@@ -959,18 +937,6 @@ rpcrdma_is_bcall(struct rpcrdma_msg *headerp)
}
#endif /* CONFIG_SUNRPC_BACKCHANNEL */
-/*
- * This function is called when an async event is posted to
- * the connection which changes the connection state. All it
- * does at this point is mark the connection up/down, the rpc
- * timers do the rest.
- */
-void
-rpcrdma_conn_func(struct rpcrdma_ep *ep)
-{
- schedule_delayed_work(&ep->rep_connect_worker, 0);
-}
-
/* Process received RPC/RDMA messages.
*
* Errors must result in the RPC task either being awakened, or
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index 20027f8de129..288e35c2d8f4 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -164,13 +164,9 @@ static int
xprt_rdma_bc_allocate(struct rpc_task *task)
{
struct rpc_rqst *rqst = task->tk_rqstp;
- struct svc_xprt *sxprt = rqst->rq_xprt->bc_xprt;
size_t size = rqst->rq_callsize;
- struct svcxprt_rdma *rdma;
struct page *page;
- rdma = container_of(sxprt, struct svcxprt_rdma, sc_xprt);
-
if (size > PAGE_SIZE) {
WARN_ONCE(1, "svcrdma: large bc buffer request (size %zu)\n",
size);
@@ -359,6 +355,7 @@ xprt_setup_rdma_bc(struct xprt_create *args)
out_fail:
xprt_rdma_free_addresses(xprt);
args->bc_xprt->xpt_bc_xprt = NULL;
+ args->bc_xprt->xpt_bc_xps = NULL;
xprt_put(xprt);
xprt_free(xprt);
return ERR_PTR(-EINVAL);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index ad1df979b3f0..57d35fbb1c28 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -279,7 +279,6 @@ int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt,
frmr->sg);
return -ENOMEM;
}
- atomic_inc(&xprt->sc_dma_used);
n = ib_map_mr_sg(frmr->mr, frmr->sg, frmr->sg_nents, NULL, PAGE_SIZE);
if (unlikely(n != frmr->sg_nents)) {
@@ -374,9 +373,7 @@ rdma_copy_tail(struct svc_rqst *rqstp, struct svc_rdma_op_ctxt *head,
u32 position, u32 byte_count, u32 page_offset, int page_no)
{
char *srcp, *destp;
- int ret;
- ret = 0;
srcp = head->arg.head[0].iov_base + position;
byte_count = head->arg.head[0].iov_len - position;
if (byte_count > PAGE_SIZE) {
@@ -415,6 +412,20 @@ done:
return 1;
}
+/* Returns the address of the first read chunk or <nul> if no read chunk
+ * is present
+ */
+static struct rpcrdma_read_chunk *
+svc_rdma_get_read_chunk(struct rpcrdma_msg *rmsgp)
+{
+ struct rpcrdma_read_chunk *ch =
+ (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
+
+ if (ch->rc_discrim == xdr_zero)
+ return NULL;
+ return ch;
+}
+
static int rdma_read_chunks(struct svcxprt_rdma *xprt,
struct rpcrdma_msg *rmsgp,
struct svc_rqst *rqstp,
@@ -627,8 +638,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
goto defer;
goto out;
}
- dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n",
- ctxt, rdma_xprt, rqstp, ctxt->wc_status);
+ dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p\n",
+ ctxt, rdma_xprt, rqstp);
atomic_inc(&rdma_stat_recv);
/* Build up the XDR from the receive buffers. */
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index f5a91edcd233..ad4d286a83c5 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -153,76 +153,35 @@ static dma_addr_t dma_map_xdr(struct svcxprt_rdma *xprt,
return dma_addr;
}
-/* Returns the address of the first read chunk or <nul> if no read chunk
- * is present
+/* Parse the RPC Call's transport header.
*/
-struct rpcrdma_read_chunk *
-svc_rdma_get_read_chunk(struct rpcrdma_msg *rmsgp)
+static void svc_rdma_get_write_arrays(struct rpcrdma_msg *rmsgp,
+ struct rpcrdma_write_array **write,
+ struct rpcrdma_write_array **reply)
{
- struct rpcrdma_read_chunk *ch =
- (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
+ __be32 *p;
- if (ch->rc_discrim == xdr_zero)
- return NULL;
- return ch;
-}
+ p = (__be32 *)&rmsgp->rm_body.rm_chunks[0];
-/* Returns the address of the first read write array element or <nul>
- * if no write array list is present
- */
-static struct rpcrdma_write_array *
-svc_rdma_get_write_array(struct rpcrdma_msg *rmsgp)
-{
- if (rmsgp->rm_body.rm_chunks[0] != xdr_zero ||
- rmsgp->rm_body.rm_chunks[1] == xdr_zero)
- return NULL;
- return (struct rpcrdma_write_array *)&rmsgp->rm_body.rm_chunks[1];
-}
+ /* Read list */
+ while (*p++ != xdr_zero)
+ p += 5;
-/* Returns the address of the first reply array element or <nul> if no
- * reply array is present
- */
-static struct rpcrdma_write_array *
-svc_rdma_get_reply_array(struct rpcrdma_msg *rmsgp,
- struct rpcrdma_write_array *wr_ary)
-{
- struct rpcrdma_read_chunk *rch;
- struct rpcrdma_write_array *rp_ary;
-
- /* XXX: Need to fix when reply chunk may occur with read list
- * and/or write list.
- */
- if (rmsgp->rm_body.rm_chunks[0] != xdr_zero ||
- rmsgp->rm_body.rm_chunks[1] != xdr_zero)
- return NULL;
-
- rch = svc_rdma_get_read_chunk(rmsgp);
- if (rch) {
- while (rch->rc_discrim != xdr_zero)
- rch++;
-
- /* The reply chunk follows an empty write array located
- * at 'rc_position' here. The reply array is at rc_target.
- */
- rp_ary = (struct rpcrdma_write_array *)&rch->rc_target;
- goto found_it;
- }
-
- if (wr_ary) {
- int chunk = be32_to_cpu(wr_ary->wc_nchunks);
-
- rp_ary = (struct rpcrdma_write_array *)
- &wr_ary->wc_array[chunk].wc_target.rs_length;
- goto found_it;
+ /* Write list */
+ if (*p != xdr_zero) {
+ *write = (struct rpcrdma_write_array *)p;
+ while (*p++ != xdr_zero)
+ p += 1 + be32_to_cpu(*p) * 4;
+ } else {
+ *write = NULL;
+ p++;
}
- /* No read list, no write list */
- rp_ary = (struct rpcrdma_write_array *)&rmsgp->rm_body.rm_chunks[2];
-
- found_it:
- if (rp_ary->wc_discrim == xdr_zero)
- return NULL;
- return rp_ary;
+ /* Reply chunk */
+ if (*p != xdr_zero)
+ *reply = (struct rpcrdma_write_array *)p;
+ else
+ *reply = NULL;
}
/* RPC-over-RDMA Version One private extension: Remote Invalidation.
@@ -240,31 +199,22 @@ static u32 svc_rdma_get_inv_rkey(struct rpcrdma_msg *rdma_argp,
{
struct rpcrdma_read_chunk *rd_ary;
struct rpcrdma_segment *arg_ch;
- u32 inv_rkey;
- inv_rkey = 0;
-
- rd_ary = svc_rdma_get_read_chunk(rdma_argp);
- if (rd_ary) {
- inv_rkey = be32_to_cpu(rd_ary->rc_target.rs_handle);
- goto out;
- }
+ rd_ary = (struct rpcrdma_read_chunk *)&rdma_argp->rm_body.rm_chunks[0];
+ if (rd_ary->rc_discrim != xdr_zero)
+ return be32_to_cpu(rd_ary->rc_target.rs_handle);
if (wr_ary && be32_to_cpu(wr_ary->wc_nchunks)) {
arg_ch = &wr_ary->wc_array[0].wc_target;
- inv_rkey = be32_to_cpu(arg_ch->rs_handle);
- goto out;
+ return be32_to_cpu(arg_ch->rs_handle);
}
if (rp_ary && be32_to_cpu(rp_ary->wc_nchunks)) {
arg_ch = &rp_ary->wc_array[0].wc_target;
- inv_rkey = be32_to_cpu(arg_ch->rs_handle);
- goto out;
+ return be32_to_cpu(arg_ch->rs_handle);
}
-out:
- dprintk("svcrdma: Send With Invalidate rkey=%08x\n", inv_rkey);
- return inv_rkey;
+ return 0;
}
/* Assumptions:
@@ -622,8 +572,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
* places this at the start of page 0.
*/
rdma_argp = page_address(rqstp->rq_pages[0]);
- wr_ary = svc_rdma_get_write_array(rdma_argp);
- rp_ary = svc_rdma_get_reply_array(rdma_argp, wr_ary);
+ svc_rdma_get_write_arrays(rdma_argp, &wr_ary, &rp_ary);
inv_rkey = 0;
if (rdma->sc_snd_w_inv)
@@ -636,7 +585,12 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
goto err0;
inline_bytes = rqstp->rq_res.len;
- /* Create the RDMA response header */
+ /* Create the RDMA response header. xprt->xpt_mutex,
+ * acquired in svc_send(), serializes RPC replies. The
+ * code path below that inserts the credit grant value
+ * into each transport header runs only inside this
+ * critical section.
+ */
ret = -ENOMEM;
res_page = alloc_page(GFP_KERNEL);
if (!res_page)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 1334de2715c2..ca2799af05a6 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -41,6 +41,7 @@
*/
#include <linux/sunrpc/svc_xprt.h>
+#include <linux/sunrpc/addr.h>
#include <linux/sunrpc/debug.h>
#include <linux/sunrpc/rpc_rdma.h>
#include <linux/interrupt.h>
@@ -226,25 +227,22 @@ void svc_rdma_unmap_dma(struct svc_rdma_op_ctxt *ctxt)
struct svcxprt_rdma *xprt = ctxt->xprt;
struct ib_device *device = xprt->sc_cm_id->device;
u32 lkey = xprt->sc_pd->local_dma_lkey;
- unsigned int i, count;
+ unsigned int i;
- for (count = 0, i = 0; i < ctxt->mapped_sges; i++) {
+ for (i = 0; i < ctxt->mapped_sges; i++) {
/*
* Unmap the DMA addr in the SGE if the lkey matches
* the local_dma_lkey, otherwise, ignore it since it is
* an FRMR lkey and will be unmapped later when the
* last WR that uses it completes.
*/
- if (ctxt->sge[i].lkey == lkey) {
- count++;
+ if (ctxt->sge[i].lkey == lkey)
ib_dma_unmap_page(device,
ctxt->sge[i].addr,
ctxt->sge[i].length,
ctxt->direction);
- }
}
ctxt->mapped_sges = 0;
- atomic_sub(count, &xprt->sc_dma_used);
}
void svc_rdma_put_context(struct svc_rdma_op_ctxt *ctxt, int free_pages)
@@ -398,7 +396,6 @@ static void svc_rdma_wc_receive(struct ib_cq *cq, struct ib_wc *wc)
/* WARNING: Only wc->wr_cqe and wc->status are reliable */
ctxt = container_of(cqe, struct svc_rdma_op_ctxt, cqe);
- ctxt->wc_status = wc->status;
svc_rdma_unmap_dma(ctxt);
if (wc->status != IB_WC_SUCCESS)
@@ -436,7 +433,7 @@ static void svc_rdma_send_wc_common(struct svcxprt_rdma *xprt,
goto err;
out:
- atomic_dec(&xprt->sc_sq_count);
+ atomic_inc(&xprt->sc_sq_avail);
wake_up(&xprt->sc_send_wait);
return;
@@ -946,7 +943,6 @@ void svc_rdma_put_frmr(struct svcxprt_rdma *rdma,
if (frmr) {
ib_dma_unmap_sg(rdma->sc_cm_id->device,
frmr->sg, frmr->sg_nents, frmr->direction);
- atomic_dec(&rdma->sc_dma_used);
spin_lock_bh(&rdma->sc_frmr_q_lock);
WARN_ON_ONCE(!list_empty(&frmr->frmr_list));
list_add(&frmr->frmr_list, &rdma->sc_frmr_q);
@@ -973,6 +969,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
struct rpcrdma_connect_private pmsg;
struct ib_qp_init_attr qp_attr;
struct ib_device *dev;
+ struct sockaddr *sap;
unsigned int i;
int ret = 0;
@@ -1010,6 +1007,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
newxprt->sc_rq_depth = newxprt->sc_max_requests +
newxprt->sc_max_bc_requests;
newxprt->sc_sq_depth = RPCRDMA_SQ_DEPTH_MULT * newxprt->sc_rq_depth;
+ atomic_set(&newxprt->sc_sq_avail, newxprt->sc_sq_depth);
if (!svc_rdma_prealloc_ctxts(newxprt))
goto errout;
@@ -1052,18 +1050,12 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
qp_attr.qp_type = IB_QPT_RC;
qp_attr.send_cq = newxprt->sc_sq_cq;
qp_attr.recv_cq = newxprt->sc_rq_cq;
- dprintk("svcrdma: newxprt->sc_cm_id=%p, newxprt->sc_pd=%p\n"
- " cm_id->device=%p, sc_pd->device=%p\n"
- " cap.max_send_wr = %d\n"
- " cap.max_recv_wr = %d\n"
- " cap.max_send_sge = %d\n"
- " cap.max_recv_sge = %d\n",
- newxprt->sc_cm_id, newxprt->sc_pd,
- dev, newxprt->sc_pd->device,
- qp_attr.cap.max_send_wr,
- qp_attr.cap.max_recv_wr,
- qp_attr.cap.max_send_sge,
- qp_attr.cap.max_recv_sge);
+ dprintk("svcrdma: newxprt->sc_cm_id=%p, newxprt->sc_pd=%p\n",
+ newxprt->sc_cm_id, newxprt->sc_pd);
+ dprintk(" cap.max_send_wr = %d, cap.max_recv_wr = %d\n",
+ qp_attr.cap.max_send_wr, qp_attr.cap.max_recv_wr);
+ dprintk(" cap.max_send_sge = %d, cap.max_recv_sge = %d\n",
+ qp_attr.cap.max_send_sge, qp_attr.cap.max_recv_sge);
ret = rdma_create_qp(newxprt->sc_cm_id, newxprt->sc_pd, &qp_attr);
if (ret) {
@@ -1146,31 +1138,16 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
goto errout;
}
- dprintk("svcrdma: new connection %p accepted with the following "
- "attributes:\n"
- " local_ip : %pI4\n"
- " local_port : %d\n"
- " remote_ip : %pI4\n"
- " remote_port : %d\n"
- " max_sge : %d\n"
- " max_sge_rd : %d\n"
- " sq_depth : %d\n"
- " max_requests : %d\n"
- " ord : %d\n",
- newxprt,
- &((struct sockaddr_in *)&newxprt->sc_cm_id->
- route.addr.src_addr)->sin_addr.s_addr,
- ntohs(((struct sockaddr_in *)&newxprt->sc_cm_id->
- route.addr.src_addr)->sin_port),
- &((struct sockaddr_in *)&newxprt->sc_cm_id->
- route.addr.dst_addr)->sin_addr.s_addr,
- ntohs(((struct sockaddr_in *)&newxprt->sc_cm_id->
- route.addr.dst_addr)->sin_port),
- newxprt->sc_max_sge,
- newxprt->sc_max_sge_rd,
- newxprt->sc_sq_depth,
- newxprt->sc_max_requests,
- newxprt->sc_ord);
+ dprintk("svcrdma: new connection %p accepted:\n", newxprt);
+ sap = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.src_addr;
+ dprintk(" local address : %pIS:%u\n", sap, rpc_get_port(sap));
+ sap = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.dst_addr;
+ dprintk(" remote address : %pIS:%u\n", sap, rpc_get_port(sap));
+ dprintk(" max_sge : %d\n", newxprt->sc_max_sge);
+ dprintk(" max_sge_rd : %d\n", newxprt->sc_max_sge_rd);
+ dprintk(" sq_depth : %d\n", newxprt->sc_sq_depth);
+ dprintk(" max_requests : %d\n", newxprt->sc_max_requests);
+ dprintk(" ord : %d\n", newxprt->sc_ord);
return &newxprt->sc_xprt;
@@ -1257,9 +1234,6 @@ static void __svc_rdma_free(struct work_struct *work)
if (rdma->sc_ctxt_used != 0)
pr_err("svcrdma: ctxt still in use? (%d)\n",
rdma->sc_ctxt_used);
- if (atomic_read(&rdma->sc_dma_used) != 0)
- pr_err("svcrdma: dma still in use? (%d)\n",
- atomic_read(&rdma->sc_dma_used));
/* Final put of backchannel client transport */
if (xprt->xpt_bc_xprt) {
@@ -1339,15 +1313,13 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
/* If the SQ is full, wait until an SQ entry is available */
while (1) {
- spin_lock_bh(&xprt->sc_lock);
- if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) {
- spin_unlock_bh(&xprt->sc_lock);
+ if ((atomic_sub_return(wr_count, &xprt->sc_sq_avail) < 0)) {
atomic_inc(&rdma_stat_sq_starve);
/* Wait until SQ WR available if SQ still full */
+ atomic_add(wr_count, &xprt->sc_sq_avail);
wait_event(xprt->sc_send_wait,
- atomic_read(&xprt->sc_sq_count) <
- xprt->sc_sq_depth);
+ atomic_read(&xprt->sc_sq_avail) > wr_count);
if (test_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags))
return -ENOTCONN;
continue;
@@ -1357,21 +1329,17 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
svc_xprt_get(&xprt->sc_xprt);
/* Bump used SQ WR count and post */
- atomic_add(wr_count, &xprt->sc_sq_count);
ret = ib_post_send(xprt->sc_qp, wr, &bad_wr);
if (ret) {
set_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags);
- atomic_sub(wr_count, &xprt->sc_sq_count);
for (i = 0; i < wr_count; i ++)
svc_xprt_put(&xprt->sc_xprt);
- dprintk("svcrdma: failed to post SQ WR rc=%d, "
- "sc_sq_count=%d, sc_sq_depth=%d\n",
- ret, atomic_read(&xprt->sc_sq_count),
- xprt->sc_sq_depth);
- }
- spin_unlock_bh(&xprt->sc_lock);
- if (ret)
+ dprintk("svcrdma: failed to post SQ WR rc=%d\n", ret);
+ dprintk(" sc_sq_avail=%d, sc_sq_depth=%d\n",
+ atomic_read(&xprt->sc_sq_avail),
+ xprt->sc_sq_depth);
wake_up(&xprt->sc_send_wait);
+ }
break;
}
return ret;
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index ed5e285fd2ea..534c178d2a7e 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -219,6 +219,34 @@ xprt_rdma_free_addresses(struct rpc_xprt *xprt)
}
}
+void
+rpcrdma_conn_func(struct rpcrdma_ep *ep)
+{
+ schedule_delayed_work(&ep->rep_connect_worker, 0);
+}
+
+void
+rpcrdma_connect_worker(struct work_struct *work)
+{
+ struct rpcrdma_ep *ep =
+ container_of(work, struct rpcrdma_ep, rep_connect_worker.work);
+ struct rpcrdma_xprt *r_xprt =
+ container_of(ep, struct rpcrdma_xprt, rx_ep);
+ struct rpc_xprt *xprt = &r_xprt->rx_xprt;
+
+ spin_lock_bh(&xprt->transport_lock);
+ if (++xprt->connect_cookie == 0) /* maintain a reserved value */
+ ++xprt->connect_cookie;
+ if (ep->rep_connected > 0) {
+ if (!xprt_test_and_set_connected(xprt))
+ xprt_wake_pending_tasks(xprt, 0);
+ } else {
+ if (xprt_test_and_clear_connected(xprt))
+ xprt_wake_pending_tasks(xprt, -ENOTCONN);
+ }
+ spin_unlock_bh(&xprt->transport_lock);
+}
+
static void
xprt_rdma_connect_worker(struct work_struct *work)
{
@@ -621,7 +649,8 @@ xprt_rdma_free(struct rpc_task *task)
dprintk("RPC: %s: called on 0x%p\n", __func__, req->rl_reply);
- ia->ri_ops->ro_unmap_safe(r_xprt, req, !RPC_IS_ASYNC(task));
+ if (unlikely(!list_empty(&req->rl_registered)))
+ ia->ri_ops->ro_unmap_safe(r_xprt, req, !RPC_IS_ASYNC(task));
rpcrdma_unmap_sges(ia, req);
rpcrdma_buffer_put(req);
}
@@ -657,7 +686,8 @@ xprt_rdma_send_request(struct rpc_task *task)
int rc = 0;
/* On retransmit, remove any previously registered chunks */
- r_xprt->rx_ia.ri_ops->ro_unmap_safe(r_xprt, req, false);
+ if (unlikely(!list_empty(&req->rl_registered)))
+ r_xprt->rx_ia.ri_ops->ro_unmap_safe(r_xprt, req, false);
rc = rpcrdma_marshal_req(rqst);
if (rc < 0)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index ec74289af7ec..11d07748f699 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -103,9 +103,9 @@ rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context)
{
struct rpcrdma_ep *ep = context;
- pr_err("RPC: %s: %s on device %s ep %p\n",
- __func__, ib_event_msg(event->event),
- event->device->name, context);
+ pr_err("rpcrdma: %s on device %s ep %p\n",
+ ib_event_msg(event->event), event->device->name, context);
+
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
rpcrdma_conn_func(ep);
@@ -223,8 +223,8 @@ rpcrdma_update_connect_private(struct rpcrdma_xprt *r_xprt,
cdata->inline_rsize = rsize;
if (wsize < cdata->inline_wsize)
cdata->inline_wsize = wsize;
- pr_info("rpcrdma: max send %u, max recv %u\n",
- cdata->inline_wsize, cdata->inline_rsize);
+ dprintk("RPC: %s: max send %u, max recv %u\n",
+ __func__, cdata->inline_wsize, cdata->inline_rsize);
rpcrdma_set_max_header_sizes(r_xprt);
}
@@ -331,6 +331,7 @@ static struct rdma_cm_id *
rpcrdma_create_id(struct rpcrdma_xprt *xprt,
struct rpcrdma_ia *ia, struct sockaddr *addr)
{
+ unsigned long wtimeout = msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT) + 1;
struct rdma_cm_id *id;
int rc;
@@ -352,8 +353,12 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt,
__func__, rc);
goto out;
}
- wait_for_completion_interruptible_timeout(&ia->ri_done,
- msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT) + 1);
+ rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout);
+ if (rc < 0) {
+ dprintk("RPC: %s: wait() exited: %i\n",
+ __func__, rc);
+ goto out;
+ }
/* FIXME:
* Until xprtrdma supports DEVICE_REMOVAL, the provider must
@@ -376,8 +381,12 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt,
__func__, rc);
goto put;
}
- wait_for_completion_interruptible_timeout(&ia->ri_done,
- msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT) + 1);
+ rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout);
+ if (rc < 0) {
+ dprintk("RPC: %s: wait() exited: %i\n",
+ __func__, rc);
+ goto put;
+ }
rc = ia->ri_async_rc;
if (rc)
goto put;
@@ -532,7 +541,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
ep->rep_cqinit = ep->rep_attr.cap.max_send_wr/2 - 1;
if (ep->rep_cqinit <= 2)
ep->rep_cqinit = 0; /* always signal? */
- INIT_CQCOUNT(ep);
+ rpcrdma_init_cqcount(ep, 0);
init_waitqueue_head(&ep->rep_connect_wait);
INIT_DELAYED_WORK(&ep->rep_connect_worker, rpcrdma_connect_worker);
@@ -1311,13 +1320,7 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
dprintk("RPC: %s: posting %d s/g entries\n",
__func__, send_wr->num_sge);
- if (DECR_CQCOUNT(ep) > 0)
- send_wr->send_flags = 0;
- else { /* Provider must take a send completion every now and then */
- INIT_CQCOUNT(ep);
- send_wr->send_flags = IB_SEND_SIGNALED;
- }
-
+ rpcrdma_set_signaled(ep, send_wr);
rc = ib_post_send(ia->ri_id->qp, send_wr, &send_wr_fail);
if (rc)
goto out_postsend_err;
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 6e1bba358203..e35efd4ac1e4 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -75,6 +75,7 @@ struct rpcrdma_ia {
unsigned int ri_max_inline_write;
unsigned int ri_max_inline_read;
bool ri_reminv_expected;
+ enum ib_mr_type ri_mrtype;
struct ib_qp_attr ri_qp_attr;
struct ib_qp_init_attr ri_qp_init_attr;
};
@@ -95,8 +96,24 @@ struct rpcrdma_ep {
struct delayed_work rep_connect_worker;
};
-#define INIT_CQCOUNT(ep) atomic_set(&(ep)->rep_cqcount, (ep)->rep_cqinit)
-#define DECR_CQCOUNT(ep) atomic_sub_return(1, &(ep)->rep_cqcount)
+static inline void
+rpcrdma_init_cqcount(struct rpcrdma_ep *ep, int count)
+{
+ atomic_set(&ep->rep_cqcount, ep->rep_cqinit - count);
+}
+
+/* To update send queue accounting, provider must take a
+ * send completion every now and then.
+ */
+static inline void
+rpcrdma_set_signaled(struct rpcrdma_ep *ep, struct ib_send_wr *send_wr)
+{
+ send_wr->send_flags = 0;
+ if (unlikely(atomic_sub_return(1, &ep->rep_cqcount) <= 0)) {
+ rpcrdma_init_cqcount(ep, 0);
+ send_wr->send_flags = IB_SEND_SIGNALED;
+ }
+}
/* Pre-allocate extra Work Requests for handling backward receives
* and sends. This is a fixed value because the Work Queues are
@@ -473,6 +490,7 @@ int rpcrdma_ep_create(struct rpcrdma_ep *, struct rpcrdma_ia *,
struct rpcrdma_create_data_internal *);
void rpcrdma_ep_destroy(struct rpcrdma_ep *, struct rpcrdma_ia *);
int rpcrdma_ep_connect(struct rpcrdma_ep *, struct rpcrdma_ia *);
+void rpcrdma_conn_func(struct rpcrdma_ep *ep);
void rpcrdma_ep_disconnect(struct rpcrdma_ep *, struct rpcrdma_ia *);
int rpcrdma_ep_post(struct rpcrdma_ia *, struct rpcrdma_ep *,
@@ -532,13 +550,6 @@ rpcrdma_data_dir(bool writing)
}
/*
- * RPC/RDMA connection management calls - xprtrdma/rpc_rdma.c
- */
-void rpcrdma_connect_worker(struct work_struct *);
-void rpcrdma_conn_func(struct rpcrdma_ep *);
-void rpcrdma_reply_handler(struct work_struct *);
-
-/*
* RPC/RDMA protocol calls - xprtrdma/rpc_rdma.c
*/
@@ -555,12 +566,14 @@ bool rpcrdma_prepare_send_sges(struct rpcrdma_ia *, struct rpcrdma_req *,
void rpcrdma_unmap_sges(struct rpcrdma_ia *, struct rpcrdma_req *);
int rpcrdma_marshal_req(struct rpc_rqst *);
void rpcrdma_set_max_header_sizes(struct rpcrdma_xprt *);
+void rpcrdma_reply_handler(struct work_struct *work);
/* RPC/RDMA module init - xprtrdma/transport.c
*/
extern unsigned int xprt_rdma_max_inline_read;
void xprt_rdma_format_addresses(struct rpc_xprt *xprt, struct sockaddr *sap);
void xprt_rdma_free_addresses(struct rpc_xprt *xprt);
+void rpcrdma_connect_worker(struct work_struct *work);
void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq);
int xprt_rdma_init(void);
void xprt_rdma_cleanup(void);
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 17201aa8423d..a22be502f1bd 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -268,7 +268,7 @@ int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m,
__skb_queue_tail(list, skb);
skb_copy_to_linear_data(skb, mhdr, mhsz);
pktpos = skb->data + mhsz;
- if (copy_from_iter(pktpos, dsz, &m->msg_iter) == dsz)
+ if (copy_from_iter_full(pktpos, dsz, &m->msg_iter))
return dsz;
rc = -EFAULT;
goto error;
@@ -299,7 +299,7 @@ int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m,
if (drem < pktrem)
pktrem = drem;
- if (copy_from_iter(pktpos, pktrem, &m->msg_iter) != pktrem) {
+ if (!copy_from_iter_full(pktpos, pktrem, &m->msg_iter)) {
rc = -EFAULT;
goto error;
}
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 1752d6b10ac4..310882fb698e 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -315,7 +315,7 @@ static struct sock *unix_find_socket_byinode(struct inode *i)
&unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) {
struct dentry *dentry = unix_sk(s)->path.dentry;
- if (dentry && d_real_inode(dentry) == i) {
+ if (dentry && d_backing_inode(dentry) == i) {
sock_hold(s);
goto found;
}
@@ -913,7 +913,7 @@ static struct sock *unix_find_other(struct net *net,
err = kern_path(sunname->sun_path, LOOKUP_FOLLOW, &path);
if (err)
goto fail;
- inode = d_real_inode(path.dentry);
+ inode = d_backing_inode(path.dentry);
err = inode_permission(inode, MAY_WRITE);
if (err)
goto put_fail;
@@ -1040,7 +1040,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out_up;
}
addr->hash = UNIX_HASH_SIZE;
- hash = d_real_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE - 1);
+ hash = d_backing_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE - 1);
spin_lock(&unix_table_lock);
u->path = path;
list = &unix_socket_table[hash];
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 2e47f9f06b96..6788264acc63 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -379,7 +379,7 @@ static void virtio_vsock_reset_sock(struct sock *sk)
static void virtio_vsock_update_guest_cid(struct virtio_vsock *vsock)
{
struct virtio_device *vdev = vsock->vdev;
- u64 guest_cid;
+ __le64 guest_cid;
vdev->config->get(vdev, offsetof(struct virtio_vsock_config, guest_cid),
&guest_cid, sizeof(guest_cid));
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 687e9fdb3d67..849c4ad0411e 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -32,7 +32,7 @@ static const struct virtio_transport *virtio_transport_get_ops(void)
return container_of(t, struct virtio_transport, transport);
}
-struct virtio_vsock_pkt *
+static struct virtio_vsock_pkt *
virtio_transport_alloc_pkt(struct virtio_vsock_pkt_info *info,
size_t len,
u32 src_cid,
@@ -82,7 +82,6 @@ out_pkt:
kfree(pkt);
return NULL;
}
-EXPORT_SYMBOL_GPL(virtio_transport_alloc_pkt);
static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
struct virtio_vsock_pkt_info *info)
@@ -606,9 +605,9 @@ static int virtio_transport_reset_no_sock(struct virtio_vsock_pkt *pkt)
return 0;
pkt = virtio_transport_alloc_pkt(&info, 0,
- le32_to_cpu(pkt->hdr.dst_cid),
+ le64_to_cpu(pkt->hdr.dst_cid),
le32_to_cpu(pkt->hdr.dst_port),
- le32_to_cpu(pkt->hdr.src_cid),
+ le64_to_cpu(pkt->hdr.src_cid),
le32_to_cpu(pkt->hdr.src_port));
if (!pkt)
return -ENOMEM;
@@ -823,7 +822,7 @@ virtio_transport_send_response(struct vsock_sock *vsk,
struct virtio_vsock_pkt_info info = {
.op = VIRTIO_VSOCK_OP_RESPONSE,
.type = VIRTIO_VSOCK_TYPE_STREAM,
- .remote_cid = le32_to_cpu(pkt->hdr.src_cid),
+ .remote_cid = le64_to_cpu(pkt->hdr.src_cid),
.remote_port = le32_to_cpu(pkt->hdr.src_port),
.reply = true,
};
@@ -863,9 +862,9 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt)
child->sk_state = SS_CONNECTED;
vchild = vsock_sk(child);
- vsock_addr_init(&vchild->local_addr, le32_to_cpu(pkt->hdr.dst_cid),
+ vsock_addr_init(&vchild->local_addr, le64_to_cpu(pkt->hdr.dst_cid),
le32_to_cpu(pkt->hdr.dst_port));
- vsock_addr_init(&vchild->remote_addr, le32_to_cpu(pkt->hdr.src_cid),
+ vsock_addr_init(&vchild->remote_addr, le64_to_cpu(pkt->hdr.src_cid),
le32_to_cpu(pkt->hdr.src_port));
vsock_insert_connected(vchild);
@@ -904,9 +903,9 @@ void virtio_transport_recv_pkt(struct virtio_vsock_pkt *pkt)
struct sock *sk;
bool space_available;
- vsock_addr_init(&src, le32_to_cpu(pkt->hdr.src_cid),
+ vsock_addr_init(&src, le64_to_cpu(pkt->hdr.src_cid),
le32_to_cpu(pkt->hdr.src_port));
- vsock_addr_init(&dst, le32_to_cpu(pkt->hdr.dst_cid),
+ vsock_addr_init(&dst, le64_to_cpu(pkt->hdr.dst_cid),
le32_to_cpu(pkt->hdr.dst_port));
trace_virtio_transport_recv_pkt(src.svm_cid, src.svm_port,
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index 4c9e39f04ef8..816c9331c8d2 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -17,8 +17,6 @@ cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o
CFLAGS_trace.o := -I$(src)
-ccflags-y += -D__CHECK_ENDIAN__
-
$(obj)/regdb.c: $(src)/db.txt $(src)/genregdb.awk
@$(AWK) -f $(srctree)/$(src)/genregdb.awk < $< > $@
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 5bf7e1bfeac7..177e208e8ff5 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3113,6 +3113,7 @@ static struct pernet_operations __net_initdata xfrm_net_ops = {
void __init xfrm_init(void)
{
+ flow_cache_hp_init();
register_pernet_subsys(&xfrm_net_ops);
seqcount_init(&xfrm_policy_hash_generation);
xfrm_input_init();