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authorJianguo Wu2021-05-27 16:54:25 -0700
committerJakub Kicinski2021-05-28 13:59:15 -0700
commitc68a0cd1735fe09fa7c1a7de1f11a5b674f1c549 (patch)
treee7da16242533e06863778ed7ab8122e812413742
parent2f1af441fd5dd5caf0807bb19ce9bbf9325ce534 (diff)
mptcp: using TOKEN_MAX_RETRIES instead of magic number
We have macro TOKEN_MAX_RETRIES for the number of token generate retries, so using TOKEN_MAX_RETRIES in subflow_check_req(). And rename TOKEN_MAX_RETRIES to MPTCP_TOKEN_MAX_RETRIES as it is now exposed. Fixes: 535fb8152f31 ("mptcp: token: move retry to caller") Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--net/mptcp/protocol.h2
-rw-r--r--net/mptcp/subflow.c2
-rw-r--r--net/mptcp/token.c3
3 files changed, 4 insertions, 3 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 0c6f99c67345..89f6b73783d5 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -627,6 +627,8 @@ static inline void mptcp_write_space(struct sock *sk)
void mptcp_destroy_common(struct mptcp_sock *msk);
+#define MPTCP_TOKEN_MAX_RETRIES 4
+
void __init mptcp_token_init(void);
static inline void mptcp_token_init_request(struct request_sock *req)
{
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index bde6be77ea73..a50a97908866 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -162,7 +162,7 @@ static int subflow_check_req(struct request_sock *req,
}
if (mp_opt.mp_capable && listener->request_mptcp) {
- int err, retries = 4;
+ int err, retries = MPTCP_TOKEN_MAX_RETRIES;
subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq;
again:
diff --git a/net/mptcp/token.c b/net/mptcp/token.c
index 72a24e63b131..a98e554b034f 100644
--- a/net/mptcp/token.c
+++ b/net/mptcp/token.c
@@ -33,7 +33,6 @@
#include <net/mptcp.h>
#include "protocol.h"
-#define TOKEN_MAX_RETRIES 4
#define TOKEN_MAX_CHAIN_LEN 4
struct token_bucket {
@@ -153,7 +152,7 @@ int mptcp_token_new_connect(struct sock *sk)
{
struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
struct mptcp_sock *msk = mptcp_sk(subflow->conn);
- int retries = TOKEN_MAX_RETRIES;
+ int retries = MPTCP_TOKEN_MAX_RETRIES;
struct token_bucket *bucket;
again: