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-rw-r--r--include/linux/tcp.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index ca4a636..8f4c549 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -335,6 +335,17 @@ struct tcp_sock {
int linger2;
+
+/* Sock_ops bpf program related variables */
+#ifdef CONFIG_BPF
+ u8 bpf_sock_ops_cb_flags; /* Control calling BPF programs
+ * values defined in uapi/linux/tcp.h
+ */
+#define BPF_SOCK_OPS_TEST_FLAG(TP, ARG) (TP->bpf_sock_ops_cb_flags & ARG)
+#else
+#define BPF_SOCK_OPS_TEST_FLAG(TP, ARG) 0
+#endif
+
/* Receiver side RTT estimation */
struct {
u32 rtt_us;
@@ -344,7 +355,7 @@ struct tcp_sock {
/* Receiver queue space */
struct {
- int space;
+ u32 space;
u32 seq;
u64 time;
} rcvq_space;
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