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Diffstat (limited to 'net')
-rw-r--r--net/can/j1939/transport.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 5cf107cb447c..868ecb2bfa45 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1673,8 +1673,12 @@ static void j1939_xtp_rx_rts(struct j1939_priv *priv, struct sk_buff *skb,
return;
}
session = j1939_xtp_rx_rts_session_new(priv, skb);
- if (!session)
+ if (!session) {
+ if (cmd == J1939_TP_CMD_BAM && j1939_sk_recv_match(priv, skcb))
+ netdev_info(priv->ndev, "%s: failed to create TP BAM session\n",
+ __func__);
return;
+ }
} else {
if (j1939_xtp_rx_rts_session_active(session, skb)) {
j1939_session_put(session);
@@ -1865,6 +1869,13 @@ static void j1939_xtp_rx_dat(struct j1939_priv *priv, struct sk_buff *skb)
else
j1939_xtp_rx_dat_one(session, skb);
}
+
+ if (j1939_cb_is_broadcast(skcb)) {
+ session = j1939_session_get_by_addr(priv, &skcb->addr, false,
+ false);
+ if (session)
+ j1939_xtp_rx_dat_one(session, skb);
+ }
}
/* j1939 main intf */
@@ -1956,7 +1967,7 @@ static void j1939_tp_cmd_recv(struct j1939_priv *priv, struct sk_buff *skb)
if (j1939_tp_im_transmitter(skcb))
j1939_xtp_rx_rts(priv, skb, true);
- if (j1939_tp_im_receiver(skcb))
+ if (j1939_tp_im_receiver(skcb) || j1939_cb_is_broadcast(skcb))
j1939_xtp_rx_rts(priv, skb, false);
break;
@@ -2020,7 +2031,7 @@ int j1939_tp_recv(struct j1939_priv *priv, struct sk_buff *skb)
{
struct j1939_sk_buff_cb *skcb = j1939_skb_to_cb(skb);
- if (!j1939_tp_im_involved_anydir(skcb))
+ if (!j1939_tp_im_involved_anydir(skcb) && !j1939_cb_is_broadcast(skcb))
return 0;
switch (skcb->addr.pgn) {