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Diffstat (limited to 'net/ceph/messenger.c')
-rw-r--r--net/ceph/messenger.c88
1 files changed, 37 insertions, 51 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index b9b0e3b5da49..9981039ef4ff 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -509,7 +509,7 @@ static int ceph_tcp_connect(struct ceph_connection *con)
return ret;
}
- if (con->msgr->tcp_nodelay) {
+ if (ceph_test_opt(from_msgr(con->msgr), TCP_NODELAY)) {
int optval = 1;
ret = kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
@@ -637,9 +637,6 @@ static int con_close_socket(struct ceph_connection *con)
static void ceph_msg_remove(struct ceph_msg *msg)
{
list_del_init(&msg->list_head);
- BUG_ON(msg->con == NULL);
- msg->con->ops->put(msg->con);
- msg->con = NULL;
ceph_msg_put(msg);
}
@@ -662,15 +659,14 @@ static void reset_connection(struct ceph_connection *con)
if (con->in_msg) {
BUG_ON(con->in_msg->con != con);
- con->in_msg->con = NULL;
ceph_msg_put(con->in_msg);
con->in_msg = NULL;
- con->ops->put(con);
}
con->connect_seq = 0;
con->out_seq = 0;
if (con->out_msg) {
+ BUG_ON(con->out_msg->con != con);
ceph_msg_put(con->out_msg);
con->out_msg = NULL;
}
@@ -1205,7 +1201,7 @@ static void prepare_write_message_footer(struct ceph_connection *con)
con->out_kvec[v].iov_base = &m->footer;
if (con->peer_features & CEPH_FEATURE_MSG_AUTH) {
if (con->ops->sign_message)
- con->ops->sign_message(con, m);
+ con->ops->sign_message(m);
else
m->footer.sig = 0;
con->out_kvec[v].iov_len = sizeof(m->footer);
@@ -1432,7 +1428,8 @@ static int prepare_write_connect(struct ceph_connection *con)
dout("prepare_write_connect %p cseq=%d gseq=%d proto=%d\n", con,
con->connect_seq, global_seq, proto);
- con->out_connect.features = cpu_to_le64(con->msgr->supported_features);
+ con->out_connect.features =
+ cpu_to_le64(from_msgr(con->msgr)->supported_features);
con->out_connect.host_type = cpu_to_le32(CEPH_ENTITY_TYPE_CLIENT);
con->out_connect.connect_seq = cpu_to_le32(con->connect_seq);
con->out_connect.global_seq = cpu_to_le32(global_seq);
@@ -1527,7 +1524,7 @@ static int write_partial_message_data(struct ceph_connection *con)
{
struct ceph_msg *msg = con->out_msg;
struct ceph_msg_data_cursor *cursor = &msg->cursor;
- bool do_datacrc = !con->msgr->nocrc;
+ bool do_datacrc = !ceph_test_opt(from_msgr(con->msgr), NOCRC);
u32 crc;
dout("%s %p msg %p\n", __func__, con, msg);
@@ -1552,8 +1549,8 @@ static int write_partial_message_data(struct ceph_connection *con)
bool need_crc;
int ret;
- page = ceph_msg_data_next(&msg->cursor, &page_offset, &length,
- &last_piece);
+ page = ceph_msg_data_next(cursor, &page_offset, &length,
+ &last_piece);
ret = ceph_tcp_sendpage(con->sock, page, page_offset,
length, !last_piece);
if (ret <= 0) {
@@ -1564,7 +1561,7 @@ static int write_partial_message_data(struct ceph_connection *con)
}
if (do_datacrc && cursor->need_crc)
crc = ceph_crc32c_page(crc, page, page_offset, length);
- need_crc = ceph_msg_data_advance(&msg->cursor, (size_t)ret);
+ need_crc = ceph_msg_data_advance(cursor, (size_t)ret);
}
dout("%s %p msg %p done\n", __func__, con, msg);
@@ -2005,8 +2002,8 @@ static int process_banner(struct ceph_connection *con)
static int process_connect(struct ceph_connection *con)
{
- u64 sup_feat = con->msgr->supported_features;
- u64 req_feat = con->msgr->required_features;
+ u64 sup_feat = from_msgr(con->msgr)->supported_features;
+ u64 req_feat = from_msgr(con->msgr)->required_features;
u64 server_feat = ceph_sanitize_features(
le64_to_cpu(con->in_reply.features));
int ret;
@@ -2232,7 +2229,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
{
struct ceph_msg *msg = con->in_msg;
struct ceph_msg_data_cursor *cursor = &msg->cursor;
- const bool do_datacrc = !con->msgr->nocrc;
+ bool do_datacrc = !ceph_test_opt(from_msgr(con->msgr), NOCRC);
struct page *page;
size_t page_offset;
size_t length;
@@ -2246,8 +2243,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
if (do_datacrc)
crc = con->in_data_crc;
while (cursor->resid) {
- page = ceph_msg_data_next(&msg->cursor, &page_offset, &length,
- NULL);
+ page = ceph_msg_data_next(cursor, &page_offset, &length, NULL);
ret = ceph_tcp_recvpage(con->sock, page, page_offset, length);
if (ret <= 0) {
if (do_datacrc)
@@ -2258,7 +2254,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
if (do_datacrc)
crc = ceph_crc32c_page(crc, page, page_offset, ret);
- (void) ceph_msg_data_advance(&msg->cursor, (size_t)ret);
+ (void) ceph_msg_data_advance(cursor, (size_t)ret);
}
if (do_datacrc)
con->in_data_crc = crc;
@@ -2278,7 +2274,7 @@ static int read_partial_message(struct ceph_connection *con)
int end;
int ret;
unsigned int front_len, middle_len, data_len;
- bool do_datacrc = !con->msgr->nocrc;
+ bool do_datacrc = !ceph_test_opt(from_msgr(con->msgr), NOCRC);
bool need_sign = (con->peer_features & CEPH_FEATURE_MSG_AUTH);
u64 seq;
u32 crc;
@@ -2423,7 +2419,7 @@ static int read_partial_message(struct ceph_connection *con)
}
if (need_sign && con->ops->check_message_signature &&
- con->ops->check_message_signature(con, m)) {
+ con->ops->check_message_signature(m)) {
pr_err("read_partial_message %p signature check failed\n", m);
return -EBADMSG;
}
@@ -2438,13 +2434,10 @@ static int read_partial_message(struct ceph_connection *con)
*/
static void process_message(struct ceph_connection *con)
{
- struct ceph_msg *msg;
+ struct ceph_msg *msg = con->in_msg;
BUG_ON(con->in_msg->con != con);
- con->in_msg->con = NULL;
- msg = con->in_msg;
con->in_msg = NULL;
- con->ops->put(con);
/* if first message, set peer_name */
if (con->peer_name.type == 0)
@@ -2677,7 +2670,7 @@ more:
if (ret <= 0) {
switch (ret) {
case -EBADMSG:
- con->error_msg = "bad crc";
+ con->error_msg = "bad crc/signature";
/* fall through */
case -EBADE:
ret = -EIO;
@@ -2918,10 +2911,8 @@ static void con_fault(struct ceph_connection *con)
if (con->in_msg) {
BUG_ON(con->in_msg->con != con);
- con->in_msg->con = NULL;
ceph_msg_put(con->in_msg);
con->in_msg = NULL;
- con->ops->put(con);
}
/* Requeue anything that hasn't been acked */
@@ -2952,15 +2943,8 @@ static void con_fault(struct ceph_connection *con)
* initialize a new messenger instance
*/
void ceph_messenger_init(struct ceph_messenger *msgr,
- struct ceph_entity_addr *myaddr,
- u64 supported_features,
- u64 required_features,
- bool nocrc,
- bool tcp_nodelay)
+ struct ceph_entity_addr *myaddr)
{
- msgr->supported_features = supported_features;
- msgr->required_features = required_features;
-
spin_lock_init(&msgr->global_seq_lock);
if (myaddr)
@@ -2970,8 +2954,6 @@ void ceph_messenger_init(struct ceph_messenger *msgr,
msgr->inst.addr.type = 0;
get_random_bytes(&msgr->inst.addr.nonce, sizeof(msgr->inst.addr.nonce));
encode_my_addr(msgr);
- msgr->nocrc = nocrc;
- msgr->tcp_nodelay = tcp_nodelay;
atomic_set(&msgr->stopping, 0);
write_pnet(&msgr->net, get_net(current->nsproxy->net_ns));
@@ -2986,6 +2968,15 @@ void ceph_messenger_fini(struct ceph_messenger *msgr)
}
EXPORT_SYMBOL(ceph_messenger_fini);
+static void msg_con_set(struct ceph_msg *msg, struct ceph_connection *con)
+{
+ if (msg->con)
+ msg->con->ops->put(msg->con);
+
+ msg->con = con ? con->ops->get(con) : NULL;
+ BUG_ON(msg->con != con);
+}
+
static void clear_standby(struct ceph_connection *con)
{
/* come back from STANDBY? */
@@ -3017,9 +3008,7 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg)
return;
}
- BUG_ON(msg->con != NULL);
- msg->con = con->ops->get(con);
- BUG_ON(msg->con == NULL);
+ msg_con_set(msg, con);
BUG_ON(!list_empty(&msg->list_head));
list_add_tail(&msg->list_head, &con->out_queue);
@@ -3047,16 +3036,15 @@ void ceph_msg_revoke(struct ceph_msg *msg)
{
struct ceph_connection *con = msg->con;
- if (!con)
+ if (!con) {
+ dout("%s msg %p null con\n", __func__, msg);
return; /* Message not in our possession */
+ }
mutex_lock(&con->mutex);
if (!list_empty(&msg->list_head)) {
dout("%s %p msg %p - was on queue\n", __func__, con, msg);
list_del_init(&msg->list_head);
- BUG_ON(msg->con == NULL);
- msg->con->ops->put(msg->con);
- msg->con = NULL;
msg->hdr.seq = 0;
ceph_msg_put(msg);
@@ -3080,16 +3068,13 @@ void ceph_msg_revoke(struct ceph_msg *msg)
*/
void ceph_msg_revoke_incoming(struct ceph_msg *msg)
{
- struct ceph_connection *con;
+ struct ceph_connection *con = msg->con;
- BUG_ON(msg == NULL);
- if (!msg->con) {
+ if (!con) {
dout("%s msg %p null con\n", __func__, msg);
-
return; /* Message not in our possession */
}
- con = msg->con;
mutex_lock(&con->mutex);
if (con->in_msg == msg) {
unsigned int front_len = le32_to_cpu(con->in_hdr.front_len);
@@ -3335,9 +3320,8 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip)
}
if (msg) {
BUG_ON(*skip);
+ msg_con_set(msg, con);
con->in_msg = msg;
- con->in_msg->con = con->ops->get(con);
- BUG_ON(con->in_msg->con == NULL);
} else {
/*
* Null message pointer means either we should skip
@@ -3384,6 +3368,8 @@ static void ceph_msg_release(struct kref *kref)
dout("%s %p\n", __func__, m);
WARN_ON(!list_empty(&m->list_head));
+ msg_con_set(m, NULL);
+
/* drop middle, data, if any */
if (m->middle) {
ceph_buffer_put(m->middle);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.