Rename "retrans" of struct tcp_tap_conn and tcp_tap_transfer to
"retries", so it can be reused to retry for SYN_TIMEOUT.
Signed-off-by: Yumei Huang
---
tcp.c | 10 +++++-----
tcp_conn.h | 8 ++++----
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/tcp.c b/tcp.c
index 48b1ef2..21b75a5 100644
--- a/tcp.c
+++ b/tcp.c
@@ -1102,7 +1102,7 @@ static void tcp_update_seqack_from_tap(const struct ctx *c,
if (SEQ_LT(seq, conn->seq_to_tap))
conn_flag(c, conn, ACK_FROM_TAP_DUE);
- conn->retrans = 0;
+ conn->retries = 0;
conn->seq_ack_from_tap = seq;
}
}
@@ -2383,7 +2383,7 @@ void tcp_timer_handler(const struct ctx *c, union epoll_ref ref)
} else if (CONN_HAS(conn, SOCK_FIN_SENT | TAP_FIN_ACKED)) {
flow_dbg(conn, "FIN timeout");
tcp_rst(c, conn);
- } else if (conn->retrans == TCP_MAX_RETRANS) {
+ } else if (conn->retries == TCP_MAX_RETRANS) {
flow_dbg(conn, "retransmissions count exceeded");
tcp_rst(c, conn);
} else {
@@ -2392,7 +2392,7 @@ void tcp_timer_handler(const struct ctx *c, union epoll_ref ref)
if (!conn->wnd_from_tap)
conn->wnd_from_tap = 1; /* Zero-window probe */
- conn->retrans++;
+ conn->retries++;
if (tcp_rewind_seq(c, conn))
return;
@@ -3351,7 +3351,7 @@ static int tcp_flow_repair_opt(const struct tcp_tap_conn *conn,
int tcp_flow_migrate_source(int fd, struct tcp_tap_conn *conn)
{
struct tcp_tap_transfer t = {
- .retrans = conn->retrans,
+ .retries = conn->retries,
.ws_from_tap = conn->ws_from_tap,
.ws_to_tap = conn->ws_to_tap,
.events = conn->events,
@@ -3631,7 +3631,7 @@ int tcp_flow_migrate_target(struct ctx *c, int fd)
memcpy(&flow->f.side, &t.side, sizeof(flow->f.side));
conn = FLOW_SET_TYPE(flow, FLOW_TCP, tcp);
- conn->retrans = t.retrans;
+ conn->retries = t.retries;
conn->ws_from_tap = t.ws_from_tap;
conn->ws_to_tap = t.ws_to_tap;
conn->events = t.events;
diff --git a/tcp_conn.h b/tcp_conn.h
index 38b5c54..885d54a 100644
--- a/tcp_conn.h
+++ b/tcp_conn.h
@@ -13,7 +13,7 @@
* struct tcp_tap_conn - Descriptor for a TCP connection (not spliced)
* @f: Generic flow information
* @in_epoll: Is the connection in the epoll set?
- * @retrans: Number of retransmissions occurred due to ACK_TIMEOUT
+ * @retries: Number of retries occurred due to ACK_TIMEOUT or SYN_TIMEOUT
* @ws_from_tap: Window scaling factor advertised from tap/guest
* @ws_to_tap: Window scaling factor advertised to tap/guest
* @tap_mss: MSS advertised by tap/guest, rounded to 2 ^ TCP_MSS_BITS
@@ -39,7 +39,7 @@ struct tcp_tap_conn {
bool in_epoll :1;
#define TCP_RETRANS_BITS 3
- unsigned int retrans :TCP_RETRANS_BITS;
+ unsigned int retries :TCP_RETRANS_BITS;
#define TCP_MAX_RETRANS MAX_FROM_BITS(TCP_RETRANS_BITS)
#define TCP_WS_BITS 4 /* RFC 7323 */
@@ -102,7 +102,7 @@ struct tcp_tap_conn {
* struct tcp_tap_transfer - Migrated TCP data, flow table part, network order
* @pif: Interfaces for each side of the flow
* @side: Addresses and ports for each side of the flow
- * @retrans: Number of retransmissions occurred due to ACK_TIMEOUT
+ * @retries: Number of retries occurred due to ACK_TIMEOUT or SYN_TIMEOUT
* @ws_from_tap: Window scaling factor advertised from tap/guest
* @ws_to_tap: Window scaling factor advertised to tap/guest
* @events: Connection events, implying connection states
@@ -122,7 +122,7 @@ struct tcp_tap_transfer {
uint8_t pif[SIDES];
struct flowside side[SIDES];
- uint8_t retrans;
+ uint8_t retries;
uint8_t ws_from_tap;
uint8_t ws_to_tap;
uint8_t events;
--
2.47.0