When udp port 4791 is blocked, the udp port 4891 is used and vice versa.
CC: Srinivas Eeda <srinivas.eeda@xxxxxxxxxx>
CC: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Reviewed-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
Signed-off-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_net.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 29f6937..d61f2c5 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -276,6 +276,16 @@ static inline void prepare_udp_ports_spin(__be16 dport, __be16 sport)
src_port = sport;
spin_unlock(&port_lock);
}
+
+static inline void exchange_udp_port(void)
+{
+ if (dst_port == htons(ROCE_V2_UDP_DPORT))
+ prepare_udp_ports_spin(htons(ROCE_V2_UDP_DUAL_DPORT),
+ htons(RXE_ROCE_V2_DUAL_SPORT));
+ else
+ prepare_udp_ports_spin(htons(ROCE_V2_UDP_DPORT),
+ htons(RXE_ROCE_V2_SPORT));
+}
#endif
static int rxe_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
@@ -549,8 +559,7 @@ int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb)
#ifdef CONFIG_RDMA_RXE_DUAL_PORT_MODULE
if (unlikely(err != NET_XMIT_SUCCESS))
- prepare_udp_ports_spin(htons(ROCE_V2_UDP_DUAL_DPORT),
- htons(RXE_ROCE_V2_DUAL_SPORT));
+ exchange_udp_port();
#endif
if (unlikely(net_xmit_eval(err))) {
--
2.7.4
--
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