diff options
| author |   Sowmini Varadhan <sowmini.varadhan@oracle.com> | 2016-06-13 09:44:28 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-06-14 23:50:42 -0700 |
| commit | ef9e62c2e5087cb9bc713e3d9776336e1bb40df1 (patch) | |
| tree | 29f36f26f3c655e15687b5ba5bc76cac3e88629e /net/rds | |
| parent | RDS: add t_mp_capable bit to be set by MP capable transports (diff) | |
| download | linux-dev-ef9e62c2e5087cb9bc713e3d9776336e1bb40df1.tar.xz linux-dev-ef9e62c2e5087cb9bc713e3d9776336e1bb40df1.zip | |
RDS: recv path gets the conn_path from rds_incoming for MP capable transports
Transports that are t_mp_capable should set the rds_conn_path
on which the datagram was recived in the ->i_conn_path field
of struct rds_incoming.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds')
| -rw-r--r-- | net/rds/rds.h | 1 | ||||
| -rw-r--r-- | net/rds/recv.c | 12 |
2 files changed, 9 insertions, 4 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h index 28f001cbc893..7c85b2d792b6 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -231,6 +231,7 @@ struct rds_incoming { atomic_t i_refcount; struct list_head i_item; struct rds_connection *i_conn; + struct rds_conn_path *i_conn_path; struct rds_header i_hdr; unsigned long i_rx_jiffies; __be32 i_saddr; diff --git a/net/rds/recv.c b/net/rds/recv.c index 78b5c430324d..e36652cfbd35 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -38,7 +38,6 @@ #include <linux/time.h> #include <linux/rds.h> -#include "rds_single_path.h" #include "rds.h" void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, @@ -165,13 +164,18 @@ 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), @@ -200,12 +204,12 @@ 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); |