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Diffstat (limited to 'net/rds/recv.c')
-rw-r--r--net/rds/recv.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/net/rds/recv.c b/net/rds/recv.c
index 8413f6c99e13..b58f50571782 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -53,6 +53,20 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn,
}
EXPORT_SYMBOL_GPL(rds_inc_init);
+void rds_inc_path_init(struct rds_incoming *inc, struct rds_conn_path *cp,
+ __be32 saddr)
+{
+ atomic_set(&inc->i_refcount, 1);
+ INIT_LIST_HEAD(&inc->i_item);
+ inc->i_conn = cp->cp_conn;
+ inc->i_conn_path = cp;
+ inc->i_saddr = saddr;
+ inc->i_rdma_cookie = 0;
+ inc->i_rx_tstamp.tv_sec = 0;
+ inc->i_rx_tstamp.tv_usec = 0;
+}
+EXPORT_SYMBOL_GPL(rds_inc_path_init);
+
static void rds_inc_addref(struct rds_incoming *inc)
{
rdsdebug("addref inc %p ref %d\n", inc, atomic_read(&inc->i_refcount));
@@ -164,13 +178,18 @@ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr,
struct rds_sock *rs = NULL;
struct sock *sk;
unsigned long flags;
+ struct rds_conn_path *cp;
inc->i_conn = conn;
inc->i_rx_jiffies = jiffies;
+ if (conn->c_trans->t_mp_capable)
+ cp = inc->i_conn_path;
+ else
+ cp = &conn->c_path[0];
rdsdebug("conn %p next %llu inc %p seq %llu len %u sport %u dport %u "
"flags 0x%x rx_jiffies %lu\n", conn,
- (unsigned long long)conn->c_next_rx_seq,
+ (unsigned long long)cp->cp_next_rx_seq,
inc,
(unsigned long long)be64_to_cpu(inc->i_hdr.h_sequence),
be32_to_cpu(inc->i_hdr.h_len),
@@ -199,16 +218,16 @@ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr,
* XXX we could spend more on the wire to get more robust failure
* detection, arguably worth it to avoid data corruption.
*/
- if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq &&
+ if (be64_to_cpu(inc->i_hdr.h_sequence) < cp->cp_next_rx_seq &&
(inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) {
rds_stats_inc(s_recv_drop_old_seq);
goto out;
}
- conn->c_next_rx_seq = be64_to_cpu(inc->i_hdr.h_sequence) + 1;
+ cp->cp_next_rx_seq = be64_to_cpu(inc->i_hdr.h_sequence) + 1;
if (rds_sysctl_ping_enable && inc->i_hdr.h_dport == 0) {
rds_stats_inc(s_recv_ping);
- rds_send_pong(conn, inc->i_hdr.h_sport);
+ rds_send_pong(cp, inc->i_hdr.h_sport);
goto out;
}